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Sample records for arthroscopic capsulorrhaphy etac

  1. Diagnosis and treatment of anteroinferior capsular redundancy associated with anterior shoulder instability using an open Latarjet procedure and capsulorrhaphy.

    Science.gov (United States)

    Ropars, Mickaël; Cretual, Armel; Kaila, Rajiv; Bonan, Isabelle; Hervé, Anthony; Thomazeau, Hervé

    2016-12-01

    There is a paucity of data detailing management of anterior capsular redundancy (ACR) when using the Latarjet procedure for unidirectional instability. This study aimed to describe the surgical management and to assess the clinical profile of patients presenting with anterior capsular redundancy [ACR(+)] with anterior shoulder instability. Seventy-seven patients who had a Latarjet procedure were followed for a 55-month period. Per-operative ACR was assessed during surgery. ACR was considered present if the inferior capsular flap of a Neer T-shaft capsulorrhaphy was able to cover the superior capsular flap with the arm in the neutral position. Patients with ACR(+) received an additional Neer capsulorrhaphy, while patients with ACR(-) did not. This per-operative finding was correlated with demographics, clinical, radiological pre-operative data and surgical outcome. Patients presenting with a per-operative ACR(+) were significantly associated with a sulcus sign (P 4 (P 85°. Open standard Latarjet procedures with Neer capsulorrhaphy in ACR(+) patients showed excellent or good results and stability rate of 95 %. All patients except four who presented with a new dislocation after surgery were satisfied with their outcome. Thirteen patients (16 %) had a persistent apprehension sign at the last follow-up. ACR(+) and ACR(-) groups did not show significant difference in the mean values of Rowe, Walch-Duplay and Constant-Murley scores. ACR correlated with a sulcus sign, Beighton score and instability history. In anterior shoulder instability associated with ACR, the Latarjet procedure with a Neer capsulorrhaphy appears a satisfactory treatment alternative to arthroscopic or open capsular shift. It decreased apprehension in comparison with Latarjet procedures without capsular repair. Cases series, treatment study, Level IV.

  2. Branching Fraction Measurements of B ->etac K Decays

    CERN Document Server

    Aubert, Bernard; Boutigny, D; Couderc, F; Gaillard, J M; Hicheur, A; Karyotakis, Yu; Lees, J P; Tisserand, V; Zghiche, A; Palano, A; Pompili, A; Chen, J C; Qi, N D; Rong, G; Wang, P; Zhu, Y S; Eigen, G; Ofte, I; Stugu, B; Abrams, G S; Borgland, A W; Breon, A B; Brown, D N; Button-Shafer, J; Cahn, R N; Charles, E; Day, C T; Gill, M S; Gritsan, A V; Groysman, Y; Jacobsen, R G; Kadel, R W; Kadyk, J; Kerth, L T; Kolomensky, Yu G; Kukartsev, G; Le Clerc, C; Levi, M E; Lynch, G; Mir, L M; Oddone, P J; Orimoto, T J; Pripstein, M; Roe, N A; Ronan, Michael T; Shelkov, V G; Telnov, A V; Wenzel, W A; Ford, K; Harrison, T J; Hawkes, C M; Morgan, S E; Watson, A T; Watson, N K; Fritsch, M; Goetzen, K; Held, T; Koch, H; Lewandowski, B; Pelizaeus, M; Steinke, M; Boyd, J T; Chevalier, N; Cottingham, W N; Kelly, M P; Latham, T E; Wilson, F F; Abe, K; Çuhadar-Dönszelmann, T; Hearty, C; Mattison, T S; McKenna, J A; Thiessen, D; Kyberd, P; Teodorescu, L; Blinov, V E; Bukin, A D; Druzhinin, V P; Golubev, V B; Ivanchenko, V N; Kravchenko, E A; Onuchin, A P; Serednyakov, S I; Skovpen, Yu I; Solodov, E P; Yushkov, A N; Best, D; Bruinsma, M; Chao, M; Eschrich, I; Kirkby, D; Lankford, A J; Mandelkern, M A; Mommsen, R K; Röthel, W; Stoker, D P; Buchanan, C; Hartfiel, B L; Gary, J W; Shen, B C; Wang, K; Del Re, D; Hadavand, H K; Hill, E J; MacFarlane, D B; Paar, H P; Rahatlou, S; Sharma, V; Berryhill, J W; Campagnari, C; Dahmes, B; Levy, S L; Long, O; Lu, A; Mazur, M A; Richman, J D; Verkerke, W; Beck, T W; Eisner, A M; Heusch, C A; Lockman, W S; Schalk, T; Schmitz, R E; Schumm, B A; Seiden, A; Spradlin, P; Williams, D C; Wilson, M G; Albert, J; Chen, E; Dubois-Felsmann, G P; Dvoretskii, A; Hitlin, D G; Narsky, I; Piatenko, T; Porter, F C; Ryd, A; Samuel, A; Yang, S; Jayatilleke, S M; Mancinelli, G; Meadows, B T; Sokoloff, M D; Abe, T; Blanc, F; Bloom, P; Chen, S; Clark, P J; Ford, W T; Nauenberg, U; Olivas, A; Rankin, P; Smith, J G; Van Hoek, W C; Zhang, L; Harton, J L; Hu, T; Soffer, A; Toki, W H; Wilson, R J; Altenburg, D; Brandt, T; Brose, J; Colberg, T; Dickopp, M; Feltresi, E; Hauke, A; Lacker, H M; Maly, E; Müller-Pfefferkorn, R; Nogowski, R; Otto, S; Schubert, J; Schubert, Klaus R; Schwierz, R; Spaan, B; Bernard, D; Bonneaud, G R; Brochard, F; Grenier, P; Thiebaux, C; Vasileiadis, G; Verderi, M; Bard, D J; Khan, A; Lavin, D; Muheim, F; Playfer, S; Andreotti, M; Azzolini, V; Bettoni, D; Bozzi, C; Calabrese, R; Cibinetto, G; Luppi, E; Negrini, M; Piemontese, L; Sarti, A; Treadwell, E; Baldini-Ferroli, R; Calcaterra, A; De Sangro, R; Finocchiaro, G; Patteri, P; Piccolo, M; Zallo, A; Buzzo, A; Capra, R; Contri, R; Crosetti, G; Lo Vetere, M; Macri, M; Monge, M R; Passaggio, S; Patrignani, C; Robutti, E; Santroni, A; Tosi, S; Bailey, S; Brandenburg, G; Morii, M; Won, E; Dubitzky, R S; Langenegger, U; Bhimji, W; Bowerman, D A; Dauncey, P D; Egede, U; Gaillard, J R; Morton, G W; Nash, J A; Taylor, G P; Grenier, G J; Lee, S J; Mallik, U; Cochran, J; Crawley, H B; Lamsa, J; Meyer, W T; Prell, S; Rosenberg, E I; Yi, J; Davier, M; Grosdidier, G; Höcker, A; Laplace, S; Le Diberder, F R; Lepeltier, V; Lutz, A M; Petersen, T C; Plaszczynski, S; Schune, M H; Tantot, L; Wormser, G; Cheng, C H; Lange, D J; Simani, M C; Wright, D M; Bevan, A J; Coleman, J P; Fry, J R; Gabathuler, Erwin; Gamet, R; Kay, M; Parry, R J; Payne, D J; Sloane, R J; Touramanis, C; Back, J J; Harrison, P F; Mohanty, G B; Brown, C L; Cowan, G; Flack, R L; Flächer, H U; George, S; Green, M G; Kurup, A; Marker, C E; McMahon, T R; Ricciardi, S; Salvatore, F; Vaitsas, G; Winter, M A; Brown, D; Davis, C L; Allison, J; Barlow, N R; Barlow, R J; Hart, P A; Hodgkinson, M C; Lafferty, G D; Lyon, A J; Williams, J C; Farbin, A; Hulsbergen, W D; Jawahery, A; Kovalskyi, D; Lae, C K; Lillard, V; Roberts, D A; Blaylock, G; Dallapiccola, C; Flood, K T; Hertzbach, S S; Kofler, R; Koptchev, V B; Moore, T B; Saremi, S; Stängle, H; Willocq, S; Cowan, R; Sciolla, G; Taylor, F; Yamamoto, R K; Mangeol, D J J; Patel, P M; Robertson, S H; Lazzaro, A; Palombo, F; Bauer, J M; Cremaldi, L M; Eschenburg, V; Godang, R; Kroeger, R; Reidy, J; Sanders, D A; Summers, D J; Zhao, H W; Brunet, S; Côté, D; Taras, P; Nicholson, H; Cartaro, C; Cavallo, N; Fabozzi, F; Gatto, C; Lista, L; Monorchio, D; Paolucci, P; Piccolo, D; Sciacca, C; Baak, M; Raven, G; Wilden, L; Jessop, C P; LoSecco, J M; Gabriel, T A; Allmendinger, T; Brau, B; Gan, K K; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pulliam, T; Ter-Antonian, R; Wong, Q K; Brau, J E; Frey, R; Igonkina, O; Potter, C T; Sinev, N B; Strom, D; Torrence, E; Colecchia, F; Dorigo, A; Galeazzi, F; Margoni, M; Morandin, M; Posocco, M; Rotondo, M; Simonetto, F; Stroili, R; Tiozzo, G; Voci, C; Benayoun, M; Briand, H; Chauveau, J; David, P; La Vaissière, C de; Del Buono, L; Hamon, O; John, M J J; Leruste, P; Ocariz, J; Pivk, M; Roos, L; T'Jampens, S; Therin, G; Manfredi, P F; Re, V; Behera, P K; Gladney, L; Guo, Q H; Panetta, J; Anulli, F; Biasini, M; Peruzzi, I M; Pioppi, M; Angelini, C; Batignani, G; Bettarini, S; Bondioli, M; Bucci, F; Calderini, G; Carpinelli, M; Del Gamba, V; Forti, F; Giorgi, M A; Lusiani, A; Marchiori, G; Martínez-Vidal, F; Morganti, M; Neri, N; Paoloni, E; Rama, M; Rizzo, G; Sandrelli, F; Walsh, J; Haire, M; Judd, D; Paick, K; Wagoner, D E; Danielson, N; Elmer, P; Lü, C; Miftakov, V; Olsen, J; Smith, A J S; Varnes, E W; Bellini, F; Cavoto, G; Faccini, R; Ferrarotto, F; Ferroni, F; Gaspero, M; Li Gioi, L; Mazzoni, M A; Morganti, S; Pierini, M; Piredda, G; Safai-Tehrani, F; Voena, C; Christ, S; Wagner, G; Waldi, R; Adye, T; De Groot, N; Franek, B J; Geddes, N I; Gopal, G P; Olaiya, E O; Xella, S M; Aleksan, Roy; Emery, S; Gaidot, A; Ganzhur, S F; Giraud, P F; Hamel de Monchenault, G; Kozanecki, Witold; Langer, M; Legendre, M; London, G W; Mayer, B; Schott, G; Vasseur, G; Yéche, C; Zito, M; Purohit, M V; Weidemann, A W; Yumiceva, F X; Aston, D; Bartoldus, R; Berger, N; Boyarski, A M; Buchmüller, O L; Convery, M R; Cristinziani, M; De Nardo, Gallieno; Dong, D; Dorfan, J; Dujmic, D; Dunwoodie, W M; Elsen, E E; Field, R C; Glanzman, T; Gowdy, S J; Hadig, T; Halyo, V; Hast, C; Hrynóva, T; Innes, W R; Kelsey, M H; Kim, P; Kocian, M L; Leith, D W G S; Libby, J; Luitz, S; Lüth, V; Lynch, H L; Marsiske, H; Messner, R; Müller, D R; O'Grady, C P; Ozcan, V E; Perazzo, A; Perl, M; Petrak, S; Ratcliff, B N; Roodman, A; Salnikov, A A; Schindler, R H; Schwiening, J; Simi, G; Snyder, A; Soha, A; Stelzer, J; Su, D; Sullivan, M K; Vavra, J; Wagner, S R; Weaver, M; Weinstein, A J R; Wisniewski, W J; Wittgen, M; Wright, D H; Young, C C; Burchat, Patricia R; Edwards, A J; Meyer, T I; Petersen, B A; Roat, C; Ahmed, S; Alam, M S; Ernst, J A; Saeed, M A; Saleem, M; Wappler, F R; Bugg, W; Krishnamurthy, M; Spanier, S M; Eckmann, R; Kim, H; Ritchie, J L; Satpathy, A; Schwitters, R F; Izen, J M; Kitayama, I; Lou, X C; Ye, S; Bianchi, F; Bóna, M; Gallo, F; Gamba, D; Borean, C; Bosisio, L; Cossutti, F; Della Ricca, G; Dittongo, S; Grancagnolo, S; Lanceri, L; Poropat, P; Vitale, L; Vuagnin, G; Panvini, R S; Banerjee, Sw; Brown, C M; Fortin, D; Jackson, P D; Kowalewski, R V; Roney, J M; Band, H R; Dasu, S; Datta, M; Eichenbaum, A M; Hollar, J J; Johnson, J R; Kutter, P E; Li, H; Liu, R; Di Lodovico, F; Mihályi, A; Mohapatra, A K; Pan, Y; Prepost, R; Sekula, S J; Tan, P; Von Wimmersperg-Töller, J H; Wu, J; Wu Sau Lan; Yu, Z; Neal, H

    2004-01-01

    We study the decays B+ -> etac K+ and B0 -> etac K0, where the etac is reconstructed in the Ks K+ pi- and K+ K- pi0 decay modes. Results are based on a sample of 86 million BBbar pairs collected with the BaBar detector at the SLAC e+e- B Factory. We measure the branching fractions BR(B+ -> etac K+) = (1.34 +/- 0.09 +/- 0.13 +/- 0.41) x 10^{-3} and BR(B0 -> etac K0) = (1.18 +/- 0.16 +/- 0.13 +/- 0.37) x 10^{-3}, where the first error is statistical, the second is systematic, and the third reflects the etac branching fraction uncertainty. In addition, we search for B -> etac K events with etac -> 2(K+K-) and etac -> phi phi and determine the etac decay branching fraction ratios BR(etac -> 2(K+K-))/BR(etac -> K Kbar pi) = (2.3 +/- 0.7 +/- 0.6) x 10^{-2} and BR(etac -> phi phi)/BR(etac -> K Kbar pi) = (5.5 +/- 1.4 +/- 0.5) x 10^{-2}.

  3. Biomechanical effectiveness of an arthroscopic posterior bankart repair versus an open bone block procedure for posterior shoulder instability.

    Science.gov (United States)

    Wellmann, Mathias; Bobrowitsch, Evgenij; Khan, Nicklas; Patzer, Thilo; Windhagen, Henning; Petersen, Wolf; Bohnsack, Michael

    2011-04-01

    The most effective surgical treatment for traumatic posterior shoulder instability remains unclear. An arthroscopic posterior Bankart repair is as effective as an open posterior bone block-capsulorrhaphy procedure regarding the restoration of humeral displacement with posterior and inferior forces. Controlled laboratory study. Biomechanical testing of 16 human shoulders was performed in 3 testing conditions: after ventilation (intact joint), after creation of a posteroinferior Bankart lesion with an additional cut of the posterior band of the inferior glenohumeral ligament, and after surgical shoulder stabilization. The shoulder stabilization was performed either by an open posterior bone block procedure and glenoid-based T-capsulorrhaphy or by an arthroscopic Bankart repair. Testing was performed in 2 positions-the sulcus test position and the jerk test position-with a passive humerus load of 50 N applied in the posterior, posteroinferior, and inferior directions. After the arthroscopic repair, there was no significant difference between the translation and the intact state for all tested directions. The bone block repair-capsulorrhaphy caused a significant decrease of posterior translation (sulcus test and jerk test positions) and posteroinferior translation (jerk test position). But the resulting posterior and posteroinferior translation was even significantly lower than the translation measured for the intact joints. However, the reduction of inferior translation, compared with that of the defect condition, was not significant after the bone block repair (sulcus test and jerk test positions). Compared with that of the intact joint, inferior translation after the bone block repair was significantly higher. The posterior bone block repair-capsulorrhaphy overcorrects posterior translation and does not effectively restore inferior stability, whereas the arthroscopic posterior Bankart repair restores posterior and inferior laxity of the intact joint. An arthroscopic

  4. Branching Fraction Measurements of the Decays B -> EtaC K, where EtaC -> KKbarPi and EtaC -> 4K

    CERN Document Server

    Aubert, Bernard

    2002-01-01

    In this report, we present the observation of the exclusive decays B0 -> EtaC K0 and B+ -> EtaC K+, and the measurement of the related branching fractions. Using a sample of 22.7x10^6 Upsilon(4S) -> BBbar decays collected with the BABAR detector at the SLAC PEP-II asymmetric B Factory during 1999-2000, we have observed statistically significant signals in the EtaC -> KsK+Pi- and K+K-Pi0 channels and set upper limits in the EtaC -> K+K-K+K- channels. All the results presented are preliminary. We have measured BF(B+ -> EtaC K+) = (1.50 +/- 0.19 +/- 0.15 +/- 0.46)x10^{-3} BF(B0 -> Etac K0) = (1.06 +/- 0.28 +/- 0.11 +/- 0.33)x10^{-3} where the first error is statistical, the second systematic and the last due to the uncertainty on the world average EtaC -> KKbarPi branching fraction.

  5. A study of B-meson decays to eta_c K* and eta_c gamma K(*)

    CERN Document Server

    Aubert, B; Boutigny, D; Karyotakis, Yu; Lees, J P; Poireau, V; Prudent, X; Tisserand, V; Zghiche, A; Garra Tico, J; Graugès-Pous, E; López, L; Palano, A; Pappagallo, M; Eigen, G; Stugu, B; Sun, L; Abrams, G S; Battaglia, M; Brown, D N; Button-Shafer, J; Cahn, R N; Groysman, Y; Jacobsen, R G; Kadyk, J A; Kerth, L T; Kolomensky, Yu G; Kukartsev, G; Lopes-Pegna, D; Lynch, G; Mir, L M; Orimoto, T J; Osipenkov, I L; Ronan, M T; Tackmann, K; Tanabé, T; Wenzel, W A; Del Amo-Sánchez, P; Hawkes, C M; Watson, A T; Held, T; Koch, H; Pelizaeus, M; Schröder, T; Steinke, M; Walker, D; Asgeirsson, D J; Çuhadar-Dönszelmann, T; Fulsom, B G; Hearty, C; Mattison, T S; McKenna, J A; Khan, A; Saleem, M; Teodorescu, L; Blinov, V E; Bukin, A D; Druzhinin, V P; Golubev, V B; Onuchin, A P; Serednyakov, S I; Skovpen, Yu I; Solodov, E P; Todyshev, K Yu; Bondioli, M; Curry, S; Eschrich, I; Kirkby, D; Lankford, A J; Lund, P; Mandelkern, M; Martin, E C; Stoker, D P; Abachi, S; Buchanan, C; Foulkes, S D; Gary, J W; Liu, F; Long, O; Shen, B C; Zhang, L; Paar, H P; Rahatlou, S; Sharma, V; Berryhill, J W; Campagnari, C; Cunha, A; Dahmes, B; Hong, T M; Kovalskyi, D; Richman, J D; Beck, T W; Eisner, A M; Flacco, C J; Heusch, C A; Kroseberg, J; Lockman, W S; Schalk, T; Schumm, B A; Seiden, A; Wilson, M G; Winstrom, L O; Chen, E; Cheng, C H; Fang, F; Hitlin, D G; Narsky, I; Piatenko, T; Porter, F C; Andreassen, R; Mancinelli, G; Meadows, B T; Mishra, K; Sokoloff, M D; Blanc, F; Bloom, P C; Chen, S; Ford, W T; Hirschauer, J F; Kreisel, A; Nagel, M; Nauenberg, U; Olivas, A; Smith, J G; Ulmer, K A; Wagner, S R; Zhang, J; Gabareen, A M; Soffer, A; Toki, W H; Wilson, R J; Winklmeier, F; Altenburg, D D; Feltresi, E; Hauke, A; Jasper, H; Merkel, J; Petzold, A; Spaan, B; Wacker, K; Klose, V; Kobel, M J; Lacker, H M; Mader, W F; Nogowski, R; Schubert, J; Schubert, K R; Schwierz, R; Sundermann, J E; Volk, A; Bernard, D; Bonneaud, G R; Latour, E; Lombardo, V; Thiebaux, C; Verderi, M; Clark, P J; Gradl, W; Muheim, F; Playfer, S; Robertson, A I; Watson, J E; Xie, Y; Andreotti, M; Bettoni, D; Bozzi, C; Calabrese, R; Cecchi, A; Cibinetto, G; Franchini, P; Luppi, E; Negrini, M; Petrella, A; Piemontese, L; Prencipe, E; Santoro, V; Anulli, F; Baldini-Ferroli, R; Calcaterra, A; De Sangro, R; Finocchiaro, G; Pacetti, S; Patteri, P; Peruzzi, I M; Piccolo, M; Rama, M; Zallo, A; Buzzo, A; Contri, R; Lo Vetere, M; Macri, M M; Monge, M R; Passaggio, S; Patrignani, C; Robutti, E; Santroni, A; Tosi, S; Chaisanguanthum, K S; Morii, M; Wu, J; Dubitzky, R S; Marks, J; Schenk, S; Uwer, U; Bard, D J; Dauncey, P D; Flack, R L; Nash, J A; Panduro-Vazquez, W; Tibbetts, M; Behera, P K; Chai, X; Charles, M J; Mallik, U; Ziegler, V; Cochran, J; Crawley, H B; Dong, L; Eyges, V; Meyer, W T; Prell, S; Rosenberg, E I; Rubin, A E; Gao, Y Y; Gritsan, A V; Guo, Z J; Lae, C K; Denig, A G; Fritsch, M; Schott, G; Arnaud, N; Bequilleux, J; D'Orazio, A; Davier, M; Grosdidier, G; Höcker, A; Lepeltier, V; Le Diberder, F; Lutz, A M; Pruvot, S; Rodier, S; Roudeau, P; Schune, M H; Serrano, J; Sordini, V; Stocchi, A; Wang, W F; Wormser, G; Lange, D J; Wright, D M; Bingham, I; Chavez, C A; Forster, I J; Fry, J R; Gabathuler, E; Gamet, R; Hutchcroft, D E; Payne, D J; Schofield, K C; Touramanis, C; Bevan, A J; George, K A; Di Lodovico, F; Menges, W; Sacco, R; Cowan, G; Flächer, H U; Hopkins, D A; Paramesvaran, S; Salvatore, F; Wren, A C; Brown, D N; Davis, C L; Allison, J; Barlow, N R; Barlow, R J; Chia, Y M; Edgar, C L; Lafferty, G D; West, T J; Yi, J I; Anderson, J; Chen, C; Jawahery, A; Roberts, D A; Simi, G; Tuggle, J M; Blaylock, G; Dallapiccola, C; Hertzbach, S S; Li, X; Moore, T B; Salvati, E; Saremi, S; Cowan, R; Dujmic, D; Fisher, P H; Koeneke, K; Sciolla, G; Sekula, S J; Spitznagel, M; Taylor, F; Yamamoto, R K; Zhao, M; Zheng, Y; Mclachlin, S E; Patel, P M; Robertson, S H; Lazzaro, A; Palombo, F; Bauer, J M; Cremaldi, L; Eschenburg, V; Godang, R; Kroeger, R; Sanders, D A; Summers, D J; Zhao, H W; Brunet, S; Côté, D; Simard, M; Taras, P; Viaud, F B; Nicholson, H; De Nardo, Gallieno; Fabozzi, F; Lista, L; Monorchio, D; Sciacca, C; Baak, M A; Raven, G; Snoek, H L; Jessop, C P; Knoepfel, K J; LoSecco, J M; Benelli, G; Corwin, L A; Honscheid, K; Kagan, H; Kass, R; Morris, J P; Rahimi, A M; Regensburger, J J; Wong, Q K; Blount, N L; Brau, J E; Frey, R; Igonkina, O; Kolb, J A; Lu, M; Rahmat, R; Sinev, N B; Strom, D; Strube, J; Torrence, E; Gagliardi, N; Gaz, A; Margoni, M; Morandin, M; Pompili, A; Posocco, M; Rotondo, M; Simonetto, F; Stroili, R; Voci, C; Ben-Haim, E; Briand, H; Calderini, G; Chauveau, J; David, P; Del Buono, L; La Vaissière, C de; Hamon, O; Leruste, P; Malcles, J; Ocariz, J; Pérez, A; Prendki, J; Gladney, L; Biasini, M; Covarelli, R; Manoni, E; Angelini, C; Batignani, G; Bettarini, S; Carpinelli, M; Cenci, R; Cervelli, A; Forti, F; Giorgi, M A; Lusiani, A; Marchiori, G; Mazur, M A; Morganti, M; Neri, N; Paoloni, E; Rizzo, G; Walsh, J J; Haire, M; Biesiada, J; Elmer, P; Lau, Y P; Lü, C; Olsen, J; Smith, A J S; Telnov, A V; Baracchini, E; Bellini, F; Cavoto, G; Del Re, D; Di Marco, E; Faccini, R; Ferrarotto, F; Ferroni, F; Gaspero, M; Jackson, P D; Li Gioi, L; Mazzoni, M A; Morganti, S; Piredda, G; Polci, F; Renga, F; Voena, C; Ebert, M; Hartmann, T; Schröder, H; Waldi, R; Adye, T; Castelli, G; Franek, B; Olaiya, E O; Ricciardi, S; Röthel, W; Wilson, F F; Emery, S; Escalier, M; Gaidot, A; Ganzhur, S F; Hamel de Monchenault, G; Kozanecki, W; Vasseur, G; Yéche, C; Zito, M; Chen, X R; Liu, H; Park, W; Purohit, M V; Wilson, J R; Allen, M T; Aston, D; Bartoldus, R; Bechtle, P; Berger, N; Claus, R; Coleman, J P; Convery, M R; Dingfelder, J C; Dorfan, J; Dubois-Felsmann, G P; Dunwoodie, W; Field, R C; Glanzman, T; Gowdy, S J; Graham, M T; Grenier, P; Hast, C; Hrynóva, T; Innes, W R; Kaminski, J; Kelsey, M H; Kim, H; Kim, P; Kocian, M L; Leith, D W G S; Li, S; Luitz, S; Lüth, V; Lynch, H L; MacFarlane, D B; Marsiske, H; Messner, R; Müller, D R; O'Grady, C P; Ofte, I; Perazzo, A; Perl, M; Pulliam, T; Ratcliff, B N; Roodman, A; Salnikov, A A; Schindler, R H; Schwiening, J; Snyder, A; Stelzer, J; Su, D; Sullivan, M K; Suzuki, K; Swain, S K; Thompson, J M; Vavra, J; Van Bakel, N; Wagner, A P; Weaver, M; Wisniewski, W J; Wittgen, M; Wright, D H; Yarritu, A K; Yi, K; Young, C C; Burchat, P R; Edwards, A J; Majewski, S A; Petersen, B A; Wilden, L; Ahmed, S; Alam, M S; Bula, R; Ernst, J A; Jain, V; Pan, B; Saeed, M A; Wappler, F R; Zain, S B; Krishnamurthy, M; Spanier, S M; Eckmann, R; Ritchie, J L; Ruland, A M; Schilling, C J; Schwitters, R F; Izen, J M; Lou, X C; Ye, S; Bianchi, F; Gallo, F; Gamba, D; Pelliccioni, M; Bomben, M; Bosisio, L; Cartaro, C; Cossutti, F; Della Ricca, G; Lanceri, L; Vitale, L; Azzolini, V; Lopez-March, N; Martínez-Vidal, F; Milanes, D A; Oyanguren, A; Albert, J; Banerjee, Sw; Bhuyan, B; Hamano, K; Kowalewski, R; Nugent, I M; Roney, J M; Sobie, R J; Harrison, P F; Ilic, J; Latham, T E; Mohanty, G B; Band, H R; Chen, X; Dasu, S; Flood, K T; Hollar, J J; Kutter, P E; Pan, Y; Pierini, M; Prepost, R; Wu, S L; Neal, H

    2007-01-01

    We present preliminary results of a study of the two-body B-meson decays to a charmonium state (ccbar) and a K+ or K*0(892) meson using a sample of about 349 fb-1 of data collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. Here ccbar indicates either the eta_c state, reconstructed in the K_S K+- pi-+ and K+K-pi0 decay channels, or the h_c state, reconstructed in its decay to eta_c gamma. We measure BR(B0 -> eta_c K*0)=(6.1+-0.8_stat +- 1.1_syst) * 10-4, BR(B+ -> h_c K+) * BR(h_c -> eta_c gamma) h_c K*0) * BR(h_c -> eta_c gamma)<2.41 * 10^-4, at the 90% C.L.

  6. The effect of radiofrequency thermal capsulorrhaphy on glenohumeral translation, rotation, and volume.

    Science.gov (United States)

    Victoroff, Brian N; Deutsch, Allen; Protomastro, Paul; Barber, J Edward; Davy, Dwight T

    2004-01-01

    The purpose of this study is to evaluate the effects of radiofrequency (RF) thermal capsulorrhaphy on the kinematic properties of the glenohumeral joint as determined by changes in resistance to multidirectional translational forces, alteration in the range of internal and external rotation, and changes in glenohumeral joint volume. Nonablative RF thermal energy was used to contract the glenohumeral joint capsule in 6 cadaveric shoulders. Measurements of translation were made after application of a 30-N load in anterior, posterior, and inferior directions. The maximum arc of internal and external rotation after application of a 1-N-m moment was also determined for vented specimens before and after thermal capsulorrhaphy. The percent reduction in glenohumeral capsular volume was measured by use of a saline solution injection-aspiration technique. Capsular shrinkage resulted in reductions in anterior, posterior, and inferior translation. The largest percent reductions in anterior translation were seen in external rotation at 45 degrees (48%, P translation, the largest percent reductions were seen in internal rotation at 45 degrees (40%, P translation were noted in internal rotation at 45 degrees (27%, P translation were observed but were not statistically significant. The maximum arc of humeral rotation was reduced by a mean of 14 degrees at 45 degrees abduction and 9 degrees at 90 degrees abduction. The mean percent reduction in capsular volume for all shoulders was 37% (range, 8%-50%). This could not be correlated with percent reductions in translation and rotation. This study demonstrated the significant effect of RF thermal capsulorrhaphy in reducing glenohumeral multidirectional translation and volume with only a small loss of rotation in cadaveric shoulders.

  7. [Arthroscopic styloidectomy].

    Science.gov (United States)

    Levadoux, M; Cognet, J M

    2006-11-01

    The radial styloidectomy is a symptomatic treatment of the radio scaphoidal impingement. Famous many years ago for the treatment of post-traumatic arthritis of the wrist (SLAC, SNAC wrist) this procedure has been progressively abandoned. The miniaturization of the wrist's arthroscopical tools allows stiloidectomy under arthroscopy. This treatment allows the disappearance of the impingement and protects the surrounding soft tissue. After a short historical, anatomical and biomechanical study, the authors expose the technique of the styloidectomy under an arthroscopic procedure.

  8. Observation of the decay $B^0_s \\to \\eta_c \\phi$ and evidence for $B^0_s \\to \\eta_c \\pi^+ \\pi^- $ at LHCb

    CERN Multimedia

    Martin, Morgan Leni

    2017-01-01

    A study of $B^0_s \\to \\eta_c \\phi$ and $B^0_s \\to \\eta_c \\pi^+ \\pi^-$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 3.0 fb, collected with the LHCb detector in Run 1 of the LHC. The observation of the decay $B^0_s \\to \\eta_c \\phi$ is reported, where the $\\eta_c$ meson is reconstructed in the $p\\bar p$, $K^+K^-\\pi^+\\pi^-$, $\\pi^+\\pi^-\\pi^+\\pi^-$ and $K^+K^-K^+K^-$ decay modes and the $\\phi(1020)$ in the $K^+ K^-$ decay mode. The decay $B^0_s \\to J/\\psi \\phi$ is used as a normalisation channel. Evidence is also reported for the decay $B^0_s \\to \\eta_c \\pi^+\\pi^-$, where the $\\eta_c$ meson is reconstructed in the $p\\bar p$ decay mode, using the decay $B^0_s \\to J/\\psi \\pi^+ \\pi^-$ as a normalisation channel. The measured branching fractions are \\begin{eqnarray*} {\\mathcal B (B^{0}_{s} \\to \\eta_{c} \\phi)} &=& \\left(5.01 \\pm 0.53 \\pm 0.27 \\pm 0.63 \\right) \\times 10^{-4} \\,, \

  9. Measurements of the mass and width of the eta_c meson and of an eta_c(2S) candidate

    CERN Document Server

    Aubert, Bernard; Boutigny, D; Gaillard, J M; Hicheur, A; Karyotakis, Yu; Lees, J P; Robbe, P; Tisserand, V; Zghiche, A; Palano, A; Pompili, A; Chen, J C; Qi, N D; Rong, G; Wang, P; Zhu, Y S; Eigen, G; Ofte, I; Stugu, B; Abrams, G S; Borgland, A W; Breon, A B; Brown, D N; Button-Shafer, J; Cahn, R N; Charles, E; Day, C T; Gill, M S; Gritsan, A V; Groysman, Y; Jacobsen, R G; Kadel, R W; Kadyk, J; Kerth, L T; Kolomensky, Yu G; Kral, J F; Kukartsev, G; Le Clerc, C; Levi, M E; Lynch, G; Mir, L M; Oddone, P J; Orimoto, T J; Pripstein, M; Roe, N A; Romosan, A; Ronan, Michael T; Shelkov, V G; Telnov, A V; Wenzel, W A; Ford, K; Harrison, T J; Hawkes, C M; Knowles, D J; Morgan, S E; Penny, R C; Watson, A T; Watson, N K; Deppermann, T; Goetzen, K; Koch, H; Lewandowski, B; Pelizaeus, M; Peters, K; Schmücker, H; Steinke, M; Barlow, N R; Boyd, J T; Chevalier, N; Cottingham, W N; Kelly, M P; Latham, T E; MacKay, C; Wilson, F F; Abe, K; Çuhadar-Dönszelmann, T; Hearty, C; Mattison, T S; McKenna, J A; Thiessen, D; Kyberd, P; McKemey, A K; Blinov, V E; Bukin, A D; Golubev, V B; Ivanchenko, V N; Kravchenko, E A; Onuchin, A P; Serednyakov, S I; Skovpen, Yu I; Solodov, E P; Yushkov, A N; Best, D; Bruinsma, M; Chao, M; Kirkby, D; Lankford, A J; Mandelkern, M A; Mommsen, R K; Röthel, W; Stoker, D P; Buchanan, C; Hartfiel, B L; Shen, B C; Del Re, D; Hadavand, H K; Hill, E J; MacFarlane, D B; Paar, H P; Rahatlou, S; Schwanke, U; Sharma, V; Berryhill, J W; Campagnari, C; Dahmes, B; Kuznetsova, N; Levy, S L; Long, O; Lu, A; Mazur, M A; Richman, J D; Verkerke, W; Beck, T W; Beringer, J; Eisner, A M; Heusch, C A; Lockman, W S; Schalk, T; Schmitz, R E; Schumm, B A; Seiden, A; Turri, M; Walkowiak, W; Williams, D C; Wilson, M G; Albert, J; Chen, E; Dubois-Felsmann, G P; Dvoretskii, A; Hitlin, D G; Narsky, I; Porter, F C; Ryd, A; Samuel, A; Yang, S; Jayatilleke, S M; Mancinelli, G; Meadows, B T; Sokoloff, M D; Abe, T; Blanc, F; Bloom, P; Chen, S; Clark, P J; Ford, W T; Nauenberg, U; Olivas, A; Rankin, P; Roy, J; Smith, J G; Van Hoek, W C; Zhang, L; Harton, J L; Hu, T; Soffer, A; Toki, W H; Wilson, R J; Zhang, J; Altenburg, D; Brandt, T; Brose, J; Colberg, T; Dickopp, M; Dubitzky, R S; Hauke, A; Lacker, H M; Maly, E; Müller-Pfefferkorn, R; Nogowski, R; Otto, S; Schubert, J; Schubert, Klaus R; Schwierz, R; Spaan, B; Wilden, L; Bernard, D; Bonneaud, G R; Brochard, F; Cohen-Tanugi, J; Grenier, P; Thiebaux, C; Vasileiadis, G; Verderi, M; Khan, A; Lavin, D; Muheim, F; Playfer, S; Swain, J E; Tinslay, J; Andreotti, M; Azzolini, V; Bettoni, D; Bozzi, C; Calabrese, R; Cibinetto, G; Luppi, E; Negrini, M; Piemontese, L; Sarti, A; Treadwell, E; Anulli, F; Baldini-Ferroli, R; Biasini, M; Calcaterra, A; De Sangro, R; Falciai, D; Finocchiaro, G; Patteri, P; Peruzzi, I M; Piccolo, M; Pioppi, M; Zallo, A; Buzzo, A; Capra, R; Contri, R; Crosetti, G; Lo Vetere, M; Macri, M; Monge, M R; Passaggio, S; Patrignani, C; Robutti, E; Santroni, A; Tosi, S; Bailey, S; Morii, M; Won, E; Bhimji, W; Bowerman, D A; Dauncey, P D; Egede, U; Eschrich, I; Gaillard, J R; Morton, G W; Nash, J A; Sanders, P; Taylor, G P; Grenier, G J; Lee, S J; Mallik, U; Cochran, J; Crawley, H B; Lamsa, J; Meyer, W T; Prell, S; Rosenberg, E I; Yi, J; Davier, M; Grosdidier, G; Höcker, A; Laplace, S; Le Diberder, F R; Lepeltier, V; Lutz, A M; Petersen, T C; Plaszczynski, S; Schune, M H; Tantot, L; Wormser, G; Brigljevic, V; Cheng, C H; Lange, D J; Wright, D M; Bevan, A J; Coleman, J P; Fry, J R; Gabathuler, Erwin; Gamet, R; Kay, M; Parry, R J; Payne, D J; Sloane, R J; Touramanis, C; Back, J J; Harrison, P F; Shorthouse, H W; Strother, P; Vidal, P B; Brown, C L; Cowan, G; Flack, R L; Flächer, H U; George, S; Green, M G; Kurup, A; Marker, C E; McMahon, T R; Ricciardi, S; Salvatore, F; Vaitsas, G; Winter, M A; Brown, D; Davis, C L; Allison, J; Barlow, R J; Forti, A C; Hart, P A; Jackson, F; Lafferty, G D; Lyon, A J; Weatherall, J H; Williams, J C; Farbin, A; Jawahery, A; Kovalskyi, D; Lae, C K; Lillard, V; Roberts, D A; Blaylock, G; Dallapiccola, C; Flood, K T; Hertzbach, S S; Kofler, R; Koptchev, V B; Moore, T B; Saremi, S; Stängle, H; Willocq, S; Cowan, R; Sciolla, G; Taylor, F; Yamamoto, R K; Mangeol, D J J; Milek, M; Patel, P M; Lazzaro, A; Palombo, F; Bauer, J M; Cremaldi, L M; Eschenburg, V; Godang, R; Kroeger, R; Reidy, J; Sanders, D A; Summers, D J; Zhao, H W; Brunet, S; Cote-Ahern, D; Hast, C; Taras, P; Nicholson, H; Cartaro, C; Cavallo, N; De Nardo, Gallieno; Fabozzi, F; Gatto, C; Lista, L; Paolucci, P; Piccolo, D; Sciacca, C; Baak, M A; Raven, G; LoSecco, J M; Gabriel, T A; Brau, B; Gan, K K; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pulliam, T; Wong, Q K; Brau, J E; Frey, R; Potter, C T; Sinev, N B; Strom, D; Torrence, E; Colecchia, F; Dorigo, A; Galeazzi, F; Margoni, M; Morandin, M; Posocco, M; Rotondo, M; Simonetto, F; Stroili, R; Tiozzo, G; Voci, C; Benayoun, M; Briand, H; Chauveau, J; David, P; La Vaissière, C de; Del Buono, L; Hamon, O; John, M J J; Leruste, P; Ocariz, J; Pivk, M; Roos, L; Stark, J; T'Jampens, S; Therin, G; Manfredi, P F; Re, V; Behera, P K; Gladney, L; Guo, Q H; Panetta, J; Angelini, C; Batignani, G; Bettarini, S; Bondioli, M; Bucci, F; Calderini, G; Carpinelli, M; Forti, F; Giorgi, M A; Lusiani, A; Marchiori, G; Martínez-Vidal, F; Morganti, M; Neri, N; Paoloni, E; Rama, M; Rizzo, G; Sandrelli, F; Walsh, J; Haire, M; Judd, D; Paick, K; Wagoner, D E; Danielson, N; Elmer, P; Lü, C; Miftakov, V; Olsen, J; Smith, A J S; Tanaka, H A; Varnes, E W; Bellini, F; Cavoto, G; Faccini, R; Ferrarotto, F; Ferroni, F; Gaspero, M; Mazzoni, M A; Morganti, S; Pierini, M; Piredda, G; Safai-Tehrani, F; Voena, C; Christ, S; Wagner, G; Waldi, R; Adye, T; De Groot, N; Franek, B J; Geddes, N I; Gopal, G P; Olaiya, E O; Xella, S M; Aleksan, Roy; Emery, S; Gaidot, A; Ganzhur, S F; Giraud, P F; Hamel de Monchenault, G; Monchenault; Kozanecki, Witold; Langer, M; Legendre, M; London, G W; Mayer, B; Schott, G; Vasseur, G; Yéche, C; Zito, M; Purohit, M V; Weidemann, A W; Yumiceva, F X; Aston, D; Bartoldus, R; Berger, N; Boyarski, A M; Buchmüller, O L; Convery, M R; Coupal, D P; Dong, D; Dorfan, J; Dujmic, D; Dunwoodie, W M; Field, R C; Glanzman, T; Gowdy, S J; Graugès-Pous, E; Hadig, T; Halyo, V; Hrynóva, T; Innes, W R; Jessop, C P; Kelsey, M H; Kim, P; Kocian, M L; Langenegger, U; Leith, D W G S; Luitz, S; Lüth, V; Lynch, H L; Marsiske, H; Messner, R; Müller, D R; O'Grady, C P; Ozcan, V E; Perazzo, A; Perl, M; Petrak, S; Ratcliff, B N; Robertson, S H; Roodman, A; Salnikov, A A; Schindler, R H; Schwiening, J; Simi, G; Snyder, A; Soha, A; Stelzer, J; Su, D; Sullivan, M K; Vavra, J; Wagner, S R; Weaver, M; Weinstein, A J R; Wisniewski, W J; Wright, D H; Young, C C; Burchat, Patricia R; Edwards, A J; Meyer, T I; Petersen, B A; Roat, C; Ahmed, S; Alam, M S; Ernst, J A; Saleem, M; Wappler, F R; Bugg, W; Krishnamurthy, M; Spanier, S M; Eckmann, R; Kim, H; Ritchie, J L; Schwitters, R F; Izen, J M; Kitayama, I; Lou, X C; Ye, S; Bianchi, F; Bóna, M; Gallo, F; Gamba, D; Borean, C; Bosisio, L; Della Ricca, G; Dittongo, S; Grancagnolo, S; Lanceri, L; Poropat, P; Vitale, L; Vuagnin, G; Panvini, R S; Banerjee, Sw; Brown, C M; Fortin, D; Jackson, P D; Kowalewski, R V; Roney, J M; Band, H R; Dasu, S; Datta, M; Eichenbaum, A M; Johnson, J R; Kutter, P E; Li, H; Liu, R; Di Lodovico, F; Mihályi, A; Mohapatra, A K; Pan, Y; Prepost, R; Sekula, S J; Von Wimmersperg-Töller, J H; Wu, J; Wu Sau Lan; Yu, Z; Neal, H

    2003-01-01

    The mass and total width of the eta_c meson have been measured in two-photon interactions at the SLAC asymmetric B-Factory with the BABAR detector. With a sample of approximately 2500 reconstructed eta_c -> Ks K pi decays in 88 fb-1 of data, the measured eta_c mass and width are respectively 2982.5 +- 1.1 (stat) +- 0.9 (syst) MeV/c2 and 34.3 +- 2.3 (stat) +- 0.9 (syst) MeV/c2. Using the same decay mode, a second resonance with 112 +- 24 events is observed with a mass of 3630.8 +- 3.4 (stat) +- 1.0 (syst) MeV/c2 and width of 17.0 +- 8.3 (stat) +- 2.5 (syst) MeV/c2. This observation is consistent with expectations for the eta_c(2S) state.

  10. J/psi and psi(2S) Radiative Decays to eta_c

    CERN Document Server

    Mitchell, R E; Besson, D; Pedlar, T K; Cronin-Hennessy, D; Gao, K Y; Hietala, J; Kubota, Y; Klein, T; Lang, B W; Poling, R; Scott, A W; Zweber, P; Dobbs, S; Metreveli, Z; Seth, K K; Tomaradze, A G; Libby, J; Powell, A; Wilkinson, G; Ecklund, K M; Love, W; Savinov, V; López, A; Méndez, H; Ramírez, J; Ge, J Y; Miller, D H; Shipsey, I P J; Xin, B; Adams, G S; Anderson, M; Cummings, J P; Danko, I; Hu, D; Moziak, B; Napolitano, J; He, Q; Insler, J; Muramatsu, H; Park, C S; Thorndike, E H; Yang, F; Artuso, M; Blusk, S; Khalil, S; Li, J; Mountain, R; Nisar, S; Randrianarivony, K; Sultana, N; Skwarnicki, T; Stone, S; Wang, J C; Zhang, L M; Bonvicini, G; Cinabro, D; Dubrovin, M; Lincoln, A; Naik, P; Rademacker, J; Asner, D M; Edwards, K W; Reed, J; Briere, R A; Ferguson, T; Tatishvili, G; Vogel, H; Watkins, M E; Rosner, J L; Alexander, J P; Cassel, D G; Duboscq, J E; Ehrlich, R; Fields, L; Galik, R S; Gibbons, L; Gray, R; Gray, S W; Hartill, D L; Heltsley, B K; Hertz, D; Hunt, J M; Kandaswamy, J; Kreinick, D L; Kuznetsov, V E; Ledoux, J; Mahlke-Krüger, H; Mohapatra, D; Onyisi, P U E; Patterson, J R; Peterson, D; Riley, D; Ryd, A; Sadoff, A J; Shi, X; Stroiney, S; Sun, W M; Wilksen, T; Athar, S B; Patel, R; Yelton, J; Rubin, P; Eisenstein, B I; Karliner, I; Mehrabyan, S; Lowrey, N; Selen, M; White, E J; Wiss, J

    2008-01-01

    Using 24.5 million psi(2S) decays collected with the CLEO-c detector at CESR we present the most precise measurements of magnetic dipole transitions in the charmonium system. We measure B(psi(2S)->gamma eta_c) = (4.32+/-0.16+/-0.60)x10^-3, B(J/psi->gamma eta_c)/B(psi(2S)->gamma eta_c) = 4.59+/-0.23+/-0.64, and B(J/psi->gamma eta_c) = (1.98+/-0.09+/-0.30)%. We observe a distortion in the eta_c line shape due to the photon-energy dependence of the magnetic dipole transition rate that prevents a precision measurement of the eta_c mass and width.

  11. Measurement of J/psi to eta_c gamma at KEDR

    CERN Document Server

    Anashin, V V; Baldin, E M; Barladyan, A K; Barnyakov, A Yu; Barnyakov, M Yu; Baru, S E; Bedny, I V; Beloborodova, O L; Blinov, A E; Blinov, V E; Bobrov, A V; Bobrovnikov, V S; Bogomyagkov, A V; Bondar, A E; Buzykaev, A R; Eidelman, S I; Glukhovchenko, Yu M; Gulevich, V V; Gusev, D V; Karnaev, S E; Karpov, G V; Karpov, S V; Kharlamova, T A; Kiselev, V A; Kononov, S A; Kotov, K Yu; Kravchenko, E A; Kulikov, V F; Kurkin, G Ya; Kuper, E A; Levichev, E B; Maksimov, D A; Malyshev, V M; Maslennikov, A L; Medvedko, A S; Meshkov, O I; Milstein, A I; Mishnev, S I; Morozov, I I; Muchnoi, N Yu; Neufeld, V V; Nikitin, S A; Nikolaev, I B; Okunev, I N; Onuchin, A P; Oreshkin, S B; Orlov, I O; Osipov, A A; Peleganchuk, S V; Pivovarov, S G; Piminov, P A; Petrov, V V; Poluektov, A O; Popkov, I N; Pospelov, G E; Prisekin, V G; Ruban, A A; Sandyrev, V K; Savinov, G A; Shamov, A G; Shatilov, D N; Shwartz, B A; Simonov, E A; Sinyatkin, S V; Skovpen, Yu I; Skrinsky, A N; Smaluk, V V; Sukharev, A M; Starostina, E V; Talyshev, A A; Tayursky, V A; Telnov, V I; Tikhonov, Yu A; Todyshev, K Yu; Tumaikin, G M; Usov, Yu V; Vorobiov, A I; Yushkov, A N; Zhilich, V N; Zhulanov, V V; Zhuravlev, A N

    2010-01-01

    We present a study of the inclusive photon spectra from 5.9 million J/psi decays collected with the KEDR detector at the VEPP-4M e+e- collider. We measure the branching fraction of radiative decay J/psi to eta_c gamma, eta_c width and mass. Our preliminary results are: M(eta_c) = 2979.4+-1.5+-1.9 MeV, G(eta_c) = 27.8+-5.1+-3.3 MeV, B(J/psi to eta_c gamma) = (2.34+-0.15+-0.40)%.

  12. Form factors of $\\eta_c$ in light front quark model

    CERN Document Server

    Geng, Chao-Qiang

    2013-01-01

    We study the form factors of the $\\eta_c$ meson in the light-front quark model. We explicitly show that the transition form factor of $\\eta_c \\to \\gamma^* \\gamma$ as a function of the momentum transfer is consistent with the experimental data by the BaBar collaboration, while the decay constant of $\\eta_c$ is found to be $f_{\\eta_{c}}=230.5^{+52.2}_{-61.0}$ and $303.6^{+115.2}_{-116.4}$ MeV for $\\eta_c\\sim c\\bar{c}$ by using two $\\eta_c \\to \\gamma \\gamma$ decay widths of $5.3\\pm 0.5$ and $7.2\\pm2.1$ keV, given by Particle Data Group and Lattice QCD calculation, respectively.

  13. Search for $\\psi(2S) \\to \\eta_c \\pi^+ pi^- pi^0$

    CERN Document Server

    Pedlar, T; Gao, K Y; Gong, D T; Hietala, J; Kubota, Y; Klein, T; Lang, B W; Poling, R; Scott, A W; Smith, A; Zweber, P; Dobbs, S; Metreveli, Z V; Seth, K K; Tomaradze, A G; Ernst, J; Severini, H; Dytman, S A; Love, W; Savinov, V; Aquines, O; Li, Z; López, A; Mehrabyan, S S; Méndez, H; Ramírez, J; Huang, G S; Miller, D H; Pavlunin, V; Sanghi, B; Shipsey, I P J; Xin, B; Adams, G S; Anderson, M; Cummings, J P; Danko, I; Napolitano, J; He, Q; Insler, J; Muramatsu, H; Park, C S; Thorndike, E H; Yang, F; Coan, T E; Gao, Y S; Liu, F; Artuso, M; Blusk, S; Butt, J; Li, J; Menaa, N; Mountain, R; Nisar, S; Randrianarivony, K; Redjimi, R; Sia, R; Skwarnicki, T; Stone, S; Wang, J C; Zhang, K; Csorna, S E; Bonvicini, G; Cinabro, D; Dubrovin, M; Lincoln, A; Asner, D M; Edwards, K W; Briere, R A; Brock, I; Chen, J; Ferguson, T; Tatishvili, G T; Vogel, H; Watkins, M E; Rosner, J L; Adam, N E; Alexander, J P; Berkelman, K; Cassel, D G; Duboscq, J E; Ecklund, K M; Ehrlich, R; Fields, L; Galik, R S; Gibbons, L; Gray, R; Gray, S W; Hartill, D L; Heltsley, B K; Hertz, D; Jones, C D; Kandaswamy, J; Kreinick, D L; Kuznetsov, V E; Mahlke-Krüger, H; Onyisi, P U E; Patterson, J R; Peterson, D; Pivarski, J; Riley, D; Ryd, A; Sadoff, A J; Schwarthoff, H; Shi, X; Stroiney, S; Sun, W M; Wilksen, T; Weinberger, M; Athar, S B; Patel, R; Potlia, V; Yelton, J; Rubin, P; Cawlfield, C; Eisenstein, B I; Karliner, I; Kim, D; Lowrey, N; Naik, P; Sedlack, C; Selen, M; White, E J; Wiss, J; Shepherd, M R; Besson, D; al, et

    2007-01-01

    Using 5.63 pb^-1 of data accumulated at the psi(2S) resonance with the CLEO III and CLEO-c detectors corresponding to 3.08 million psi(2S) decays, a search is performed for the decay psi(2S) -> eta_c pi^+pi^-pi^0 to test a theoretical prediction based upon the assumption that the c \\bar c pair in the psi(2S) does not annihilate directly into three gluons but rather survives before annihilating. No signal is observed, and a combined upper limit from six eta_c decay modes is determined to be B(psi(2S) -> eta_c pi^+pi^-pi^0) < 1.0 x 10^-3 at 90% C.L. This upper limit is about an order of magnitude below the theoretical expectation.

  14. $\\eta_c$ production at LHC and indications on the understanding of $J/\\psi$ production

    CERN Document Server

    Han, Hao; Meng, Ce; Shao, Hua-Sheng; Chao, Kuang-Ta

    2015-01-01

    We present a complete evaluation for the prompt $\\eta_c$ production at the LHC at next-to-leading order in $\\alpha_s$ in nonrelativistic QCD. By assuming heavy quark spin symmetry, the study of $\\eta_c$ production results in a very strong constraint on the upper bound of the color-octet long distance matrix element $\\mopa$ of $J/\\psi$. We find this upper bound is consistent with our previous study of the $J/\\psi$ yield and polarization and can give good descriptions for the measurements, but in conflict with most other theoretical studies. This may provide important information for understanding the mechanism of charmonium production.

  15. $\\eta_c$ production at the LHC challenges nonrelativistic-QCD factorization

    CERN Document Server

    Butenschoen, Mathias; Kniehl, Bernd A

    2014-01-01

    We analyze the first measurement of $\\eta_c$ production, performed by the LHCb Collaboration, in the nonrelativistic-QCD (NRQCD) factorization framework at next-to-leading order (NLO) in the strong-coupling constant $\\alpha_s$ and the relative velocity $v$ of the bound quarks including the feeddown from $h_c$ mesons. Converting the long-distance matrix elements (LDMEs) extracted by various groups from $J/\\psi$ yield and polarization data to the $\\eta_c$ case using heavy-quark spin symmetry, we find that the resulting NLO NRQCD predictions greatly overshoot the LHCb data, while the color-singlet model provides an excellent description.

  16. The Decay $\\eta_c \\rightarrow \\gamma \\gamma$ : A Test for Potential Models

    OpenAIRE

    Ahmady, M. R.; Mendel, R. R.

    1994-01-01

    We use a simple perturbation theory argument and measurements of charmonium leptonic widths $\\Gamma (\\psi_{NS} \\rightarrow e^+e^-)$ to estimate the ratio \\mbox{$R_\\circ \\equiv {\\vert \\Psi _{\\eta_{c1S}}(0) \\vert}^2 /{\\vert\\Psi_{\\psi_{1 S}}(0)\\vert}^2$} in the general context of non- relativistic potential models. We obtain $R_\\circ = 1.4 \\pm 0.1$. We then apply well known potential model formulas, which include lowest order QCD corrections, to find $\\Gamma (\\eta_c \\rightarrow \\gamma \\gamma )/\\...

  17. Observation of the decay $B_{s}^{0} \\to \\eta_{c} \\phi$ and evidence for $B_{s}^{0} \\to \\eta_{c} \\pi^{+} \\pi^{-} $ arXiv

    CERN Document Server

    Aaij, Roel; Adinolfi, Marco; Ajaltouni, Ziad; Akar, Simon; Albrecht, Johannes; Alessio, Federico; Alexander, Michael; Ali, Suvayu; Alkhazov, Georgy; Alvarez Cartelle, Paula; Alves Jr, Antonio Augusto; Amato, Sandra; Amerio, Silvia; Amhis, Yasmine; An, Liupan; Anderlini, Lucio; Andreassi, Guido; Andreotti, Mirco; Andrews, Jason; Appleby, Robert; Archilli, Flavio; d'Argent, Philippe; Arnau Romeu, Joan; Artamonov, Alexander; Artuso, Marina; Aslanides, Elie; Auriemma, Giulio; Baalouch, Marouen; Babuschkin, Igor; Bachmann, Sebastian; Back, John; Badalov, Alexey; Baesso, Clarissa; Baker, Sophie; Balagura, Vladislav; Baldini, Wander; Barlow, Roger; Barschel, Colin; Barsuk, Sergey; Barter, William; Baryshnikov, Fedor; Baszczyk, Mateusz; Batozskaya, Varvara; Batsukh, Baasansuren; Battista, Vincenzo; Bay, Aurelio; Beaucourt, Leo; Beddow, John; Bedeschi, Franco; Bediaga, Ignacio; Bel, Lennaert; Bellee, Violaine; Belloli, Nicoletta; Belous, Konstantin; Belyaev, Ivan; Ben-Haim, Eli; Bencivenni, Giovanni; Benson, Sean; Berezhnoy, Alexander; Bernet, Roland; Bertolin, Alessandro; Betancourt, Christopher; Betti, Federico; Bettler, Marc-Olivier; van Beuzekom, Martinus; Bezshyiko, Iaroslava; Bifani, Simone; Billoir, Pierre; Bird, Thomas; Birnkraut, Alex; Bitadze, Alexander; Bizzeti, Andrea; Blake, Thomas; Blanc, Frederic; Blouw, Johan; Blusk, Steven; Bocci, Valerio; Boettcher, Thomas; Bondar, Alexander; Bondar, Nikolay; Bonivento, Walter; Bordyuzhin, Igor; Borgheresi, Alessio; Borghi, Silvia; Borisyak, Maxim; Borsato, Martino; Bossu, Francesco; Boubdir, Meriem; Bowcock, Themistocles; Bowen, Espen Eie; Bozzi, Concezio; Braun, Svende; Britsch, Markward; Britton, Thomas; Brodzicka, Jolanta; Buchanan, Emma; Burr, Christopher; Bursche, Albert; Buytaert, Jan; Cadeddu, Sandro; Calabrese, Roberto; Calvi, Marta; Calvo Gomez, Miriam; Camboni, Alessandro; Campana, Pierluigi; Campora Perez, Daniel Hugo; Capriotti, Lorenzo; Carbone, Angelo; Carboni, Giovanni; Cardinale, Roberta; Cardini, Alessandro; Carniti, Paolo; 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De Paula, Leandro; De Serio, Marilisa; De Simone, Patrizia; Dean, Cameron Thomas; Decamp, Daniel; Deckenhoff, Mirko; Del Buono, Luigi; Demmer, Moritz; Dendek, Adam; Derkach, Denis; Deschamps, Olivier; Dettori, Francesco; Dey, Biplab; Di Canto, Angelo; Dijkstra, Hans; Dordei, Francesca; Dorigo, Mirco; Dosil Suárez, Alvaro; Dovbnya, Anatoliy; Dreimanis, Karlis; Dufour, Laurent; Dujany, Giulio; Dungs, Kevin; Durante, Paolo; Dzhelyadin, Rustem; Dziurda, Agnieszka; Dzyuba, Alexey; Déléage, Nicolas; Easo, Sajan; Ebert, Marcus; Egede, Ulrik; Egorychev, Victor; Eidelman, Semen; Eisenhardt, Stephan; Eitschberger, Ulrich; Ekelhof, Robert; Eklund, Lars; Ely, Scott; Esen, Sevda; Evans, Hannah Mary; Evans, Timothy; Falabella, Antonio; Farley, Nathanael; Farry, Stephen; Fay, Robert; Fazzini, Davide; Ferguson, Dianne; Fernandez Prieto, Antonio; Ferrari, Fabio; Ferreira Rodrigues, Fernando; Ferro-Luzzi, Massimiliano; Filippov, Sergey; Fini, Rosa Anna; Fiore, Marco; Fiorini, Massimiliano; Firlej, Miroslaw; Fitzpatrick, Conor; Fiutowski, Tomasz; Fleuret, Frederic; Fohl, Klaus; Fontana, Marianna; Fontanelli, Flavio; Forshaw, Dean Charles; Forty, Roger; Franco Lima, Vinicius; Frank, Markus; Frei, Christoph; Fu, Jinlin; Funk, Wolfgang; Furfaro, Emiliano; Färber, Christian; Gallas Torreira, Abraham; Galli, Domenico; Gallorini, Stefano; Gambetta, Silvia; Gandelman, Miriam; Gandini, Paolo; Gao, Yuanning; Garcia Martin, Luis Miguel; García Pardiñas, Julián; Garra Tico, Jordi; Garrido, Lluis; Garsed, Philip John; Gascon, David; Gaspar, Clara; Gavardi, Laura; Gazzoni, Giulio; Gerick, David; Gersabeck, Evelina; Gersabeck, Marco; Gershon, Timothy; Ghez, Philippe; Gianì, Sebastiana; Gibson, Valerie; Girard, Olivier Göran; Giubega, Lavinia-Helena; Gizdov, Konstantin; Gligorov, Vladimir; Golubkov, Dmitry; Golutvin, Andrey; Gomes, Alvaro; Gorelov, Igor Vladimirovich; Gotti, Claudio; Graciani Diaz, Ricardo; Granado Cardoso, Luis Alberto; Graugés, Eugeni; Graverini, Elena; Graziani, Giacomo; Grecu, Alexandru; Griffith, Peter; Grillo, Lucia; Gruberg Cazon, Barak Raimond; Grünberg, Oliver; Gushchin, Evgeny; Guz, Yury; Gys, Thierry; Göbel, Carla; Hadavizadeh, Thomas; Hadjivasiliou, Christos; Haefeli, Guido; Haen, Christophe; Haines, Susan; Hamilton, Brian; Han, Xiaoxue; Hansmann-Menzemer, Stephanie; Harnew, Neville; Harnew, Samuel; Harrison, Jonathan; Hatch, Mark; He, Jibo; Head, Timothy; Heister, Arno; Hennessy, Karol; Henrard, Pierre; Henry, Louis; van Herwijnen, Eric; Heß, Miriam; Hicheur, Adlène; Hill, Donal; Hombach, Christoph; Hopchev, P H; Hulsbergen, Wouter; Humair, Thibaud; Hushchyn, Mikhail; Hutchcroft, David; Idzik, Marek; Ilten, Philip; Jacobsson, Richard; Jaeger, Andreas; Jalocha, Pawel; Jans, Eddy; Jawahery, Abolhassan; Jiang, Feng; John, Malcolm; Johnson, Daniel; Jones, Christopher; Joram, Christian; Jost, Beat; Jurik, Nathan; Kandybei, Sergii; Karacson, Matthias; Kariuki, James Mwangi; Karodia, Sarah; Kecke, Matthieu; Kelsey, Matthew; Kenzie, Matthew; Ketel, Tjeerd; Khairullin, Egor; Khanji, Basem; Khurewathanakul, Chitsanu; Kirn, Thomas; Klaver, Suzanne; Klimaszewski, Konrad; Koliiev, Serhii; Kolpin, Michael; Komarov, Ilya; Koopman, Rose; Koppenburg, Patrick; Kosmyntseva, Alena; Kozachuk, Anastasiia; Kozeiha, Mohamad; Kravchuk, Leonid; Kreplin, Katharina; Kreps, Michal; Krokovny, Pavel; Kruse, Florian; Krzemien, Wojciech; Kucewicz, Wojciech; Kucharczyk, Marcin; Kudryavtsev, Vasily; Kuonen, Axel Kevin; Kurek, Krzysztof; Kvaratskheliya, Tengiz; Lacarrere, Daniel; Lafferty, George; Lai, Adriano; Lanfranchi, Gaia; Langenbruch, Christoph; Latham, Thomas; Lazzeroni, Cristina; Le Gac, Renaud; van Leerdam, Jeroen; Leflat, Alexander; Lefrançois, Jacques; Lefèvre, Regis; Lemaitre, Florian; Lemos Cid, Edgar; Leroy, Olivier; Lesiak, Tadeusz; Leverington, Blake; Li, Tenglin; Li, Yiming; Likhomanenko, Tatiana; Lindner, Rolf; Linn, Christian; Lionetto, Federica; Liu, Xuesong; Loh, David; Longstaff, Iain; Lopes, Jose; Lucchesi, Donatella; Lucio Martinez, Miriam; Luo, Haofei; Lupato, Anna; Luppi, Eleonora; Lupton, Oliver; Lusiani, Alberto; Lyu, Xiao-Rui; Machefert, Frederic; Maciuc, Florin; Maev, Oleg; Maguire, Kevin; Malde, Sneha; Malinin, Alexander; Maltsev, Timofei; Manca, Giulia; Mancinelli, Giampiero; Manning, Peter Michael; Maratas, Jan; Marchand, Jean François; Marconi, Umberto; Marin Benito, Carla; Marinangeli, Matthieu; Marino, Pietro; Marks, Jörg; Martellotti, Giuseppe; Martin, Morgan; Martinelli, Maurizio; Martinez Santos, Diego; Martinez Vidal, Fernando; Martins Tostes, Danielle; Massacrier, Laure Marie; Massafferri, André; Matev, Rosen; Mathad, Abhijit; Mathe, Zoltan; Matteuzzi, Clara; Mauri, Andrea; Maurice, Emilie; Maurin, Brice; Mazurov, Alexander; McCann, Michael; McNab, Andrew; McNulty, Ronan; Meadows, Brian; Meier, Frank; Meissner, Marco; Melnychuk, Dmytro; Merk, Marcel; Merli, Andrea; Michielin, Emanuele; Milanes, Diego Alejandro; Minard, Marie-Noelle; Mitzel, Dominik Stefan; Mogini, Andrea; Molina Rodriguez, Josue; Monroy, Igancio Alberto; Monteil, Stephane; 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Szumlak, Tomasz; T'Jampens, Stephane; Tayduganov, Andrey; Tekampe, Tobias; Tellarini, Giulia; Teubert, Frederic; Thomas, Eric; van Tilburg, Jeroen; Tilley, Matthew James; Tisserand, Vincent; Tobin, Mark; Tolk, Siim; Tomassetti, Luca; Tonelli, Diego; Topp-Joergensen, Stig; Toriello, Francis; Tournefier, Edwige; Tourneur, Stephane; Trabelsi, Karim; Traill, Murdo; Tran, Minh Tâm; Tresch, Marco; Trisovic, Ana; Tsaregorodtsev, Andrei; Tsopelas, Panagiotis; Tully, Alison; Tuning, Niels; Ukleja, Artur; Ustyuzhanin, Andrey; Uwer, Ulrich; Vacca, Claudia; Vagnoni, Vincenzo; Valassi, Andrea; Valat, Sebastien; Valenti, Giovanni; Vazquez Gomez, Ricardo; Vazquez Regueiro, Pablo; Vecchi, Stefania; van Veghel, Maarten; Velthuis, Jaap; Veltri, Michele; Veneziano, Giovanni; Venkateswaran, Aravindhan; Vernet, Maxime; Vesterinen, Mika; Viana Barbosa, Joao Vitor; Viaud, Benoit; Vieira, Daniel; Vieites Diaz, Maria; Viemann, Harald; Vilasis-Cardona, Xavier; Vitti, Marcela; Volkov, Vladimir; Vollhardt, Achim; 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    A study of $B^{0}_{s} \\to \\eta_{c} \\phi$ and $B^{0}_{s} \\to \\eta_{c} \\pi^{+}\\pi^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 3.0$\\,\\rm fb^{-1}$, collected with the LHCb detector in Run~1 of the LHC. The observation of the decay $B^{0}_{s} \\to \\eta_{c} \\phi$ is reported, where the $\\eta_{c}$ meson is reconstructed in the $p\\bar p$, $K^+K^-\\pi^+\\pi^-$, $\\pi^+\\pi^-\\pi^+\\pi^-$ and $K^+K^-K^+K^-$ decay modes and the $\\phi(1020)$ in the $K^+ K^-$ decay mode. The decay $B^{0}_{s} \\to J/\\psi \\phi$ is used as a normalisation channel. Evidence is also reported for the decay $B^{0}_{s} \\to \\eta_{c} \\pi^{+}\\pi^{-}$, where the $\\eta_{c}$ meson is reconstructed in the $p\\bar p$ decay mode, using the decay $B^{0}_{s} \\to J/\\psi \\pi^+ \\pi^-$ as a normalisation channel. The measured branching fractions are \\begin{eqnarray*} {\\mathcal B (B^{0}_{s} \\to \\eta_{c} \\phi)} &=& \\left(5.01 \\pm 0.53 \\pm 0.27 \\pm 0.63 \\right) \\times 10^{-4} \\,, \

  18. Comparison of Time to Recurrence of Instability After Open and Arthroscopic Bankart Repair Techniques.

    Science.gov (United States)

    Virk, Mandeep S; Manzo, Richard L; Cote, Mark; Ware, James K; Mazzocca, Augustus D; Nissen, Carl W; Shea, Kevin P; Arciero, Robert A

    2016-06-01

    The results of open and arthroscopic instability repairs have been shown to be equivalent in recent literature. To compare the time to recurrence (TTR) of instability and disease-specific outcome measures in patients undergoing open and arthroscopic Bankart repair. Cohort study; Level of evidence, 3. Patients with recurrent traumatic anterior shoulder instability and a Bankart lesion on diagnostic arthroscopy underwent either open Bankart repair (OB) or arthroscopic Bankart and suture capsulorrhaphy (ABSC) using suture anchors. There was a minimum follow-up of 24 months. The primary outcome measures included Western Ontario Shoulder Instability Index (WOSI) score and time to recurrence of instability (dislocation or subluxation). Rowe score, Simple Shoulder Test, Constant score, American Shoulder and Elbow Surgeons (ASES) score, and Short Form-12 (SF-12) score were also compared. A total of 82 shoulders in 80 patients (ABSC, n = 58; OB, n = 24) were evaluated at a mean of 39 months postoperatively. There were 4 clinical failures in the OB group (4 dislocations) and 7 clinical failures in the ABSC group (2 dislocations and 5 subluxations; P = .72 vs OB). The mean time to recurrence of postoperative instability was significantly shorter in the ABSC group (12.6 ± 2.7 months) compared with the OB group (34.2 ± 12 months; P = .04). The WOSI score in the OB group (265 ± 48.1) was better but not statistically significantly compared with the ABSC group (449.8 ± 63.8; P = .06). The time to recurrence of instability after open Bankart repair is significantly longer compared with arthroscopic Bankart repair. Delayed time to recurrence after open Bankart repair suggests that the open technique may be more suited to withstand the high stress and demands of a heavy-duty profession (contact athletes and heavy manual labor).

  19. Adoption of new technology in sports medicine: case studies of the Gore-Tex prosthetic ligament and of thermal capsulorrhaphy.

    Science.gov (United States)

    Virk, Sohrab S; Kocher, Mininder S

    2011-01-01

    Evaluation of new technology in sports medicine is supposed to promote improvements in the care of patients. It is also supposed to prohibit technology that can harm patients. This evaluation process is not perfect and at times can promote technology that not only does not help patients but may harm them. Two examples of new sports medicine technology that were widely adopted but eventually abandoned are thermal capsulorrhaphy for treatment of shoulder instability and the Gore-Tex prosthetic ligament (W. L. Gore & Associates, Flagstaff, AZ) for patients with anterior cruciate ligament deficiency. On analysis of the quick adoption of these 2 failed procedures, certain recommendations are apparent for improvement of the evaluation process. There must be a sound rationale behind any new technology, basic science research into the theory of the medical technology, and demonstrated improvements in animal models and clinical studies that are prospective cohort studies or randomized controlled trials, and finally, there must be careful follow-up and postmarket surveillance.

  20. The $\\eta_c$(2980) formation in two-photon collisions at LEP energies

    CERN Document Server

    Abdallah, J; Adam, W; Adzic, P; Albrecht, T; Alderweireld, T; Alemany-Fernandez, R; Allmendinger, T; Allport, P P; Amaldi, Ugo; Amapane, N; Amato, S; Anashkin, E; Andreazza, A; Andringa, S; Anjos, N; Antilogus, P; Apel, W D; Arnoud, Y; Ask, S; Åsman, B; Augustin, J E; Augustinus, A; Baillon, Paul; Ballestrero, A; Bambade, P; Barbier, R; Bardin, Dimitri Yuri; Barker, G; Baroncelli, A; Battaglia, Marco; Baubillier, M; Becks, K H; Begalli, M; Behrmann, A; Ben-Haim, E; Benekos, N C; Benvenuti, Alberto C; Bérat, C; Berggren, M; Berntzon, L; Bertrand, D; Besançon, M; Besson, N; Bloch, D; Blom, M; Bluj, M; Bonesini, M; Boonekamp, M; Booth, P S L; Borisov, G; Botner, O; Bouquet, B; Bowcock, T J V; Boyko, I; Bracko, M; Brenner, R; Brodet, E; Brückman, P; Brunet, J M; Bugge, L; Buschmann, P; Calvi, M; Camporesi, T; Canale, V; Carena, F; Castro, N; Cavallo, F R; Chapkin, M M; Charpentier, P; Checchia, P; Chierici, R; Shlyapnikov, P; Chudoba, J; Chung, S U; Cieslik, K; Collins, P; Contri, R; Cosme, G; Cossutti, F; Costa, M J; Crawley, B; Crennell, D J; Cuevas-Maestro, J; D'Hondt, J; Dalmau, J; Da Silva, T; Da Silva, W; Della Ricca, G; De Angelis, A; de Boer, Wim; De Clercq, C; De Lotto, B; De Maria, N; De Min, A; De Paula, L S; Di Ciaccio, Lucia; Di Simone, A; Doroba, K; Drees, J; Dris, M; Eigen, G; Ekelöf, T J C; Ellert, M; Elsing, M; Espirito-Santo, M C; Fanourakis, G K; Fassouliotis, D; Feindt, M; Fernández, J; Ferrer, A; Ferro, F; Flagmeyer, U; Föth, H; Fokitis, E; Fulda-Quenzer, F; Fuster, J A; Gandelman, M; García, C; Gavillet, P; Gazis, E N; Gokieli, R; Golob, B; Gómez-Ceballos, G; Gonçalves, P; Graziani, E; Grosdidier, G; Grzelak, K; Guy, J; Haag, C; Hallgren, A; Hamacher, K; Hamilton, K; Hansen, J; Haug, S; Hauler, F; Hedberg, V; Hennecke, M; Herr, H; Hoffman, J; Holmgren, S O; Holt, P J; Houlden, M A; Hultqvist, K; Jackson, J N; Jarlskog, G; Jarry, P; Jeans, D; Johansson, E K; Johansson, P D; Jonsson, P; Joram, C; Jungermann, L; Kapusta, F; Katsanevas, S; Katsoufis, E C; Kernel, G; Kersevan, Borut P; Kiiskinen, A P; King, B T; Kjaer, N J; Kluit, P; Kokkinias, P; Kourkoumelis, C; Kuznetsov, O; Krumshtein, Z; Kucharczyk, M; Lamsa, J; Leder, G; Ledroit, F; Leinonen, L; Leitner, R; Lemonne, J; Lepeltier, V; Lesiak, T; Liebig, W; Liko, D; Lipniacka, A; Lopes, J H; López, J M; Loukas, D; Lutz, P; Lyons, L; MacNaughton, J; Malek, A; Maltezos, S; Mandl, F; Marco, J; Marco, R; Maréchal, B; Margoni, M; Marin, J C; Mariotti, C; Markou, A; Martínez-Rivero, C; Masik, J; Mastroyiannopoulos, N; Matorras, F; Matteuzzi, C; Mazzucato, F; Mazzucato, M; McNulty, R; Meroni, C; Meyer, W T; Migliore, E; Mitaroff, W A; Mjörnmark, U; Moa, T; Moch, M; Mönig, K; Monge, R; Montenegro, J; Moraes, D; Moreno, S; Morettini, P; Müller, U; Münich, K; Mulders, M; Mundim, L M; Murray, W; Muryn, B; Myatt, Gerald; Myklebust, T; Nassiakou, M; Navarria, Francesco Luigi; Nawrocki, K; Nicolaidou, R; Nikolenko, M; Oblakowska-Mucha, A; Obraztsov, V F; Olshevskii, A G; Onofre, A; Orava, Risto; Österberg, K; Ouraou, A; Oyanguren, A; Paganoni, M; Paiano, S; Palacios, J P; Palka, H; Papadopoulou, T D; Pape, L; Parkes, C; Parodi, F; Parzefall, U; Passeri, A; Passon, O; Peralta, L; Perepelitsa, V F; Perrotta, A; Petrolini, A; Piedra, J; Pieri, L; Pierre, F; Pimenta, M; Piotto, E; Podobnik, T; Poireau, V; Pol, M E; Polok, G; Poropat, P; Pozdnyakov, V; Pukhaeva, N; Pullia, Antonio; Rames, J; Ramler, L; Read, A; Rebecchi, P; Rehn, J; Reid, D; Reinhardt, R; Renton, P B; Richard, F; Rídky, J; Rivero, M; Rodríguez, D; Romero, A; Ronchese, P; Rosenberg, E I; Roudeau, Patrick; Rovelli, T; Ruhlmann-Kleider, V; Ryabtchikov, D; Sadovskii, A; Salmi, L; Salt, J; Savoy-Navarro, A; Schwickerath, U; Segar, A; Sekulin, R L; Siebel, M; Sissakian, A N; Smadja, G; Smirnova, O G; Sokolov, A; Sopczak, A; Sosnowski, R; Spassoff, Tz; Stanitzki, M; Stocchi, A; Strauss, J; Stugu, B; Szczekowski, M; Szeptycka, M; Szumlak, T; Tabarelli de Fatis, T; Taffard, A C; Tegenfeldt, F; Timmermans, J; Tkatchev, L G; Tobin, M; Todorovova, S; Tomé, B; Tonazzo, A; Tortosa, P; Travnicek, P; Treille, D; Tristram, G; Trochimczuk, M; Troncon, C; Turluer, M L; Tyapkin, I A; Tyapkin, P; Tzamarias, S; Uvarov, V; Valenti, G; van Dam, P; Van Eldik, J; Van Lysebetten, A; Van Remortel, N; Van Vulpen, I B; Vegni, G; Veloso, F; Venus, W A; Verbeure, F; Verdier, P; Verzi, V; Vilanova, D; Vitale, L; Vrba, V; Wahlen, H; Washbrook, A J; Weiser, C; Wicke, D; Wickens, J H; Wilkinson, G; Winter, M; Witek, M; Yushchenko, O P; Zalewska-Bak, A; Zalewski, Piotr; Zavrtanik, D; Zhuravlov, V; Zimin, N I; Zinchenko, A I; Zupan, M

    2003-01-01

    eta_c(2980) production in gammagamma interactions has been detected via its decays into K0_sK+-pi-+, K+K-K+K- and K+K-pi+pi- in the data taken with the DELPHI detector at LEP1 and LEP2 energies. The two-photon radiative width averaged over all observed decay channels is Gamma_gammagamma = 13.9+-2.0(stat.)+-1.4(syst.)+-2.7(BR)keV. No direct decay channel eta_c -> pi+pi-pi+pi- has been observed. An upper limit Gamma_gammagamma<5.5keV at 95% confidence level has been evaluated for this decay mode.

  1. Arthroscopic Management of Osteoarthritis.

    Science.gov (United States)

    Pitta, Michael; Davis, William; Argintar, Evan H

    2016-02-01

    Arthroscopic surgery is commonly performed in the knee, shoulder, elbow, and hip. However, the role it plays in the management of osteoarthritis is controversial. Routine arthroscopic management of osteoarthritis was once common, but this practice has been recently scrutinized. Although some believe that there is no role for arthroscopic treatment in the management of osteoarthritis, it may be appropriate and beneficial in certain situations. The clinical success of such treatment may be rooted in appropriate patient selection and adherence to a specific surgical technique. Arthroscopy may serve as an effective and less invasive option than traditional methods of managing osteoarthritis.

  2. Study of $\\eta_c$ and $\\eta_c^\\prime$ decays into vector meson pairs

    CERN Document Server

    Wang, Qian; Zhao, Qiang

    2010-01-01

    The processes of $\\eta_c (\\eta_c')\\to VV$ are supposed to be suppressed by the helicity selection rule (HSR) but found to be rather important decay modes in experiment for $\\eta_c$. We try to distinguish the short-distance transitions via the singly disconnected Okubo-Zweig-Iizuka (SOZI) processes and the doubly disconnected (DOZI) processes in $\\eta_c (\\eta_c')\\to VV$. It shows that the SOZI processes can be related to the $\\eta_c(\\eta_c')$ wavefunctions at the origin. Therefore, a relation of the decay branching ratio fraction between these two decay channels can be established. Such a relation is similar to that for $J/\\psi$ and $\\psi^\\prime\\to VP$, where the so-called "$\\rho\\pi$ puzzle" has been existed for a while. We also show that the intermediate charmed meson loop transitions provide an evading mechanism for the DOZI processes. This contribution would turn out to be more important in $\\eta_c^\\prime\\to VV$. As a consequence, it may produce significant deviations from the SOZI-dominant scenario. Future...

  3. $\\eta_{c}$ Elastic and Transition Form Factors: Contact Interaction and Algebraic Model

    CERN Document Server

    Bedolla, Marco A; Cobos-Martínez, J J; Bashir, Adnan

    2016-01-01

    For the flavor-singlet heavy quark system of charmonia in the pseudoscalar ($\\eta_c(1S)$) channel, we calculate the elastic (EFF) and transition form factors (TFF) ($\\eta_c(1S) \\rightarrow \\gamma \\gamma^*$) for a wide range of photon momentum transfer squared ($Q^2$). The framework for this analysis is provided by a symmetry-preserving Schwinger-Dyson equation (SDE) and Bethe-Salpeter equation (BSE) treatment of a vector$\\times$vector contact interaction (CI). We also employ an algebraic model (AM), developed earlier to describe the light quark systems. It correctly correlates infrared and ultraviolet dynamics of quantum chromodynamics (QCD). The CI results agree with the lattice data for low $Q^2$. For $Q^2 \\geqslant Q_0^2$, the results start deviating from the lattice results by more than $20 \\%$. $Q_0^2 \\thickapprox 2.5 {\\rm GeV}^2$ for the EFF and $\\thickapprox 25 {\\rm GeV}^2$ for the TFF. We also present the results for the EFF, TFF as well as $\\eta_c(1S)$ parton distribution amplitude for the AM. Wherev...

  4. The decay eta$_{c}$ --> $\\gamma$. gamma.: a test for potential models

    CERN Document Server

    Ahmady, M R; Mohammad R Ahmady; Roberto R Mendel

    1995-01-01

    We use a simple perturbation theory argument and measurements of charmonium leptonic widths $\\Gamma (\\psi_{NS} \\rightarrow e^+e^-)$ to estimate the ratio \\mbox{$R_\\circ \\equiv {\\vert \\Psi _{\\eta_{c1S}}(0) \\vert}^2 /{\\vert\\Psi_{\\psi_{1 S}}(0)\\vert}^2$} in the general context of non- relativistic potential models. We obtain $R_\\circ = 1.4 \\pm 0.1$. We then apply well known potential model formulas, which include lowest order QCD corrections, to find $\\Gamma (\\eta_c \\rightarrow \\gamma \\gamma )/\\Gamma (\\psi_{1S} \\rightarrow e^+e^-) \\approx 2.2\\pm 0.2$. The central value for $\\Gamma (\\psi_{1S} \\rightarrow e^+ e^-)$ in the 1992 Particle Data Tables then leads to a prediction $\\Gamma (\\eta_c \\rightarrow \\gamma \\gamma )\\approx 11.8\\pm 0.8 $keV. This prediction is in good agreement with a recent measurement by the ARGUS collaboration, is consistent with a recent measurement by the L3 collaboration but is significantly higher than several earlier measurements and than previous theoretical estimates, which usually assum...

  5. The Decay $\\eta_c \\rightarrow \\gamma \\gamma$ : A Test for Potential Models

    CERN Document Server

    Ahmady, M R

    1995-01-01

    We use a simple perturbation theory argument and measurements of charmonium leptonic widths $\\Gamma (\\psi_{NS} \\rightarrow e^+e^-)$ to estimate the ratio \\mbox{$R_\\circ \\equiv {\\vert \\Psi _{\\eta_{c1S}}(0) \\vert}^2 /{\\vert\\Psi_{\\psi_{1 S}}(0)\\vert}^2$} in the general context of non- relativistic potential models. We obtain $R_\\circ = 1.4 \\pm 0.1$. We then apply well known potential model formulas, which include lowest order QCD corrections, to find $\\Gamma (\\eta_c \\rightarrow \\gamma \\gamma )/\\Gamma (\\psi_{1S} \\rightarrow e^+e^-) \\approx 2.2\\pm 0.2$. The central value for $\\Gamma (\\psi_{1S} \\rightarrow e^+ e^-)$in the 1992 Particle Data Tables then leads to a (non relativistic) prediction $\\Gamma (\\eta_c \\rightarrow \\gamma \\gamma )\\approx 11.8\\pm 0.8 $ keV. This prediction is in good agreement with a recent measurement by the ARGUS collaboration, is consistent with a recent measurement by the L3 collaboration but is significantly higher than several earlier measurements and than previous theoretical estimates, ...

  6. Measurements of the mass and width of the eta(c) meson and of an eta(c)(2S) candidate.

    Science.gov (United States)

    Aubert, B; Barate, R; Boutigny, D; Gaillard, J-M; Hicheur, A; Karyotakis, Y; Lees, J P; Robbe, P; Tisserand, V; Zghiche, A; Palano, A; Pompili, A; Chen, J C; Qi, N D; Rong, G; Wang, P; Zhu, Y S; Eigen, G; Ofte, I; Stugu, B; Abrams, G S; Borgland, A W; Breon, A B; Brown, D N; Button-Shafer, J; Cahn, R N; Charles, E; Day, C T; Gill, M S; Gritsan, A V; Groysman, Y; Jacobsen, R G; Kadel, R W; Kadyk, J; Kerth, L T; Kolomensky, Yu G; Kral, J F; Kukartsev, G; LeClerc, C; Levi, M E; Lynch, G; Mir, L M; Oddone, P J; Orimoto, T J; Pripstein, M; Roe, N A; Romosan, A; Ronan, M T; Shelkov, V G; Telnov, A V; Wenzel, W A; Ford, K; Harrison, T J; Hawkes, C M; Knowles, D J; Morgan, S E; Penny, R C; Watson, A T; Watson, N K; Deppermann, T; Goetzen, K; Koch, H; Lewandowski, B; Pelizaeus, M; Peters, K; Schmuecker, H; Steinke, M; Barlow, N R; Boyd, J T; Chevalier, N; Cottingham, W N; Kelly, M P; Latham, T E; Mackay, C; Wilson, F F; Abe, K; Cuhadar-Donszelmann, T; Hearty, C; Mattison, T S; McKenna, J A; Thiessen, D; Kyberd, P; McKemey, A K; Blinov, V E; Bukin, A D; Golubev, V B; Ivanchenko, V N; Kravchenko, E A; Onuchin, A P; Serednyakov, S I; Skovpen, Yu I; Solodov, E P; Yushkov, A N; Best, D; Bruinsma, M; Chao, M; Kirkby, D; Lankford, A J; Mandelkern, M; Mommsen, R K; Roethel, W; Stoker, D P; Buchanan, C; Hartfiel, B L; Shen, B C; Del Re, D; Hadavand, H K; Hill, E J; MacFarlane, D B; Paar, H P; Rahatlou, Sh; Schwanke, U; Sharma, V; Berryhill, J W; Campagnari, C; Dahmes, B; Kuznetsova, N; Levy, S L; Long, O; Lu, A; Mazur, M A; Richman, J D; Verkerke, W; Beck, T W; Beringer, J; Eisner, A M; Heusch, C A; Lockman, W S; Schalk, T; Schmitz, R E; Schumm, B A; Seiden, A; Turri, M; Walkowiak, W; Williams, D C; Wilson, M G; Albert, J; Chen, E; Dubois-Felsmann, G P; Dvoretskii, A; Hitlin, D G; Narsky, I; Porter, F C; Ryd, A; Samuel, A; Yang, S; Jayatilleke, S; Mancinelli, G; Meadows, B T; Sokoloff, M D; Abe, T; Blanc, F; Bloom, P; Chen, S; Clark, P J; Ford, W T; Nauenberg, U; Olivas, A; Rankin, P; Roy, J; Smith, J G; Van Hoek, W C; Zhang, L; Harton, J L; Hu, T; Soffer, A; Toki, W H; Wilson, R J; Zhang, J; Altenburg, D; Brandt, T; Brose, J; Colberg, T; Dickopp, M; Dubitzky, R S; Hauke, A; Lacker, H M; Maly, E; Müller-Pfefferkorn, R; Nogowski, R; Otto, S; Schubert, J; Schubert, K R; Schwierz, R; Spaan, B; Wilden, L; Bernard, D; Bonneaud, G R; Brochard, F; Cohen-Tanugi, J; Grenier, P; Thiebaux, Ch; Vasileiadis, G; Verderi, M; Khan, A; Lavin, D; Muheim, F; Playfer, S; Swain, J E; Tinslay, J; Andreotti, M; Azzolini, V; Bettoni, D; Bozzi, C; Calabrese, R; Cibinetto, G; Luppi, E; Negrini, M; Piemontese, L; Sarti, A; Treadwell, E; Anulli, F; Baldini-Ferroli, R; Biasini, M; Calcaterra, A; De Sangro, R; Falciai, D; Finocchiaro, G; Patteri, P; Peruzzi, I M; Piccolo, M; Pioppi, M; Zallo, A; Buzzo, A; Capra, R; Contri, R; Crosetti, G; Lo Vetere, M; Macri, M; Monge, M R; Passaggio, S; Patrignani, C; Robutti, E; Santroni, A; Tosi, S; Bailey, S; Morii, M; Won, E; Bhimji, W; Bowerman, D A; Dauncey, P D; Egede, U; Eschrich, I; Gaillard, J R; Morton, G W; Nash, J A; Sanders, P; Taylor, G P; Grenier, G J; Lee, S-J; Mallik, U; Cochran, J; Crawley, H B; Lamsa, J; Meyer, W T; Prell, S; Rosenberg, E I; Yi, J; Davier, M; Grosdidier, G; Höcker, A; Laplace, S; Le Diberder, F; Lepeltier, V; Lutz, A M; Petersen, T C; Plaszczynski, S; Schune, M H; Tantot, L; Wormser, G; Brigljević, V; Cheng, C H; Lange, D J; Wright, D M; Bevan, A J; Coleman, J P; Fry, J R; Gabathuler, E; Gamet, R; Kay, M; Parry, R J; Payne, D J; Sloane, R J; Touramanis, C; Back, J J; Harrison, P F; Shorthouse, H W; Strother, P; Vidal, P B; Brown, C L; Cowan, G; Flack, R L; Flaecher, H U; George, S; Green, M G; Kurup, A; Marker, C E; McMahon, T R; Ricciardi, S; Salvatore, F; Vaitsas, G; Winter, M A; Brown, D; Davis, C L; Allison, J; Barlow, R J; Forti, A C; Hart, P A; Jackson, F; Lafferty, G D; Lyon, A J; Weatherall, J H; Williams, J C; Farbin, A; Jawahery, A; Kovalskyi, D; Lae, C K; Lillard, V; Roberts, D A; Blaylock, G; Dallapiccola, C; Flood, K T; Hertzbach, S S; Kofler, R; Koptchev, V B; Moore, T B; Saremi, S; Staengle, H; Willocq, S; Cowan, R; Sciolla, G; Taylor, F; Yamamoto, R K; Mangeol, D J J; Milek, M; Patel, P M; Lazzaro, A; Palombo, F; Bauer, J M; Cremaldi, L; Eschenburg, V; Godang, R; Kroeger, R; Reidy, J; Sanders, D A; Summers, D J; Zhao, H W; Brunet, S; Cote-Ahern, D; Hast, C; Taras, P; Nicholson, H; Cartaro, C; Cavallo, N; De Nardo, G; Fabozzi, F; Gatto, C; Lista, L; Paolucci, P; Piccolo, D; Sciacca, C; Baak, M A; Raven, G; LoSecco, J M; Gabriel, T A; Brau, B; Gan, K K; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pulliam, T; Wong, Q K; Brau, J; Frey, R; Potter, C T; Sinev, N B; Strom, D; Torrence, E; Colecchia, F; Dorigo, A; Galeazzi, F; Margoni, M; Morandin, M; Posocco, M; Rotondo, M; Simonetto, F; Stroili, R; Tiozzo, G; Voci, C; Benayoun, M; Briand, H; Chauveau, J; David, P; de la Vaissière, Ch; Del Buono, L; Hamon, O; John, M J J; Leruste, Ph; Ocariz, J; Pivk, M; Roos, L; Stark, J; T'Jampens, S; Therin, G; Manfredi, P F; Re, V; Behera, P K; Gladney, L; Guo, Q H; Panetta, J; Angelini, C; Batignani, G; Bettarini, S; Bondioli, M; Bucci, F; Calderini, G; Carpinelli, M; Forti, F; Giorgi, M A; Lusiani, A; Marchiori, G; Martinez-Vidal, F; Morganti, M; Neri, N; Paoloni, E; Rama, M; Rizzo, G; Sandrelli, F; Walsh, J; Haire, M; Judd, D; Paick, K; Wagoner, D E; Danielson, N; Elmer, P; Lu, C; Miftakov, V; Olsen, J; Smith, A J S; Tanaka, H A; Varnes, E W; Bellini, F; Cavoto, G; Faccini, R; Ferrarotto, F; Ferroni, F; Gaspero, M; Mazzoni, M A; Morganti, S; Pierini, M; Piredda, G; Safai Tehrani, F; Voena, C; Christ, S; Wagner, G; Waldi, R; Adye, T; De Groot, N; Franek, B; Geddes, N I; Gopal, G P; Olaiya, E O; Xella, S M; Aleksan, R; Emery, S; Gaidot, A; Ganzhur, S F; Giraud, P-F; Hamel de Monchenault, G; Kozanecki, W; Langer, M; Legendre, M; London, G W; Mayer, B; Schott, G; Vasseur, G; Yeche, Ch; Zito, M; Purohit, M V; Weidemann, A W; Yumiceva, F X; Aston, D; Bartoldus, R; Berger, N; Boyarski, A M; Buchmueller, O L; Convery, M R; Coupal, D P; Dong, D; Dorfan, J; Dujmic, D; Dunwoodie, W; Field, R C; Glanzman, T; Gowdy, S J; Grauges-Pous, E; Hadig, T; Halyo, V; Hryn'ova, T; Innes, W R; Jessop, C P; Kelsey, M H; Kim, P; Kocian, M L; Langenegger, U; Leith, D W G S; Luitz, S; Luth, V; Lynch, H L; Marsiske, H; Messner, R; Muller, D R; O'Grady, C P; Ozcan, V E; Perazzo, A; Perl, M; Petrak, S; Ratcliff, B N; Robertson, S H; Roodman, A; Salnikov, A A; Schindler, R H; Schwiening, J; Simi, G; Snyder, A; Soha, A; Stelzer, J; Su, D; Sullivan, M K; Va'vra, J; Wagner, S R; Weaver, M; Weinstein, A J R; Wisniewski, W J; Wright, D H; Young, C C; Burchat, P R; Edwards, A J; Meyer, T I; Petersen, B A; Roat, C; Ahmed, S; Alam, M S; Ernst, J A; Saleem, M; Wappler, F R; Bugg, W; Krishnamurthy, M; Spanier, S M; Eckmann, R; Kim, H; Ritchie, J L; Schwitters, R F; Izen, J M; Kitayama, I; Lou, X C; Ye, S; Bianchi, F; Bona, M; Gallo, F; Gamba, D; Borean, C; Bosisio, L; Della Ricca, G; Dittongo, S; Grancagnolo, S; Lanceri, L; Poropat, P; Vitale, L; Vuagnin, G; Panvini, R S; Banerjee, Sw; Brown, C M; Fortin, D; Jackson, P D; Kowalewski, R; Roney, J M; Band, H R; Dasu, S; Datta, M; Eichenbaum, A M; Johnson, J R; Kutter, P E; Li, H; Liu, R; Di Lodovico, F; Mihalyi, A; Mohapatra, A K; Pan, Y; Prepost, R; Sekula, S J; von Wimmersperg-Toeller, J H; Wu, J; Wu, S L; Yu, Z; Neal, H

    2004-04-01

    The mass m(eta(c)) and total width Gamma(eta(c))(tot) of the eta(c) meson have been measured in two-photon interactions at the SLAC e(+)e(-) asymmetric B Factory with the BABAR detector. With a sample of approximately 2500 reconstructed eta(c)-->K(0)(S)K+/-pi(-/+) decays in 88 fb(-1) of data, the results are m(eta(c))=2982.5+/-1.1(stat)+/-0.9(syst) MeV/c(2) and Gamma(eta(c))(tot)=34.3+/-2.3(stat)+/-0.9(syst) MeV/c(2). Using the same decay mode, a second resonance with 112+/-24 events is observed with a mass of 3630.8+/-3.4(stat)+/-1.0(syst) MeV/c(2) and width of 17.0+/-8.3(stat)+/-2.5(syst) MeV/c(2). This observation is consistent with expectations for the eta(c)(2S) state.

  7. Measurement of the $\\eta_c (1S)$ production cross-section in proton-proton collisions via the decay $\\eta_c (1S) \\rightarrow p \\bar{p}$

    CERN Document Server

    Aaij, Roel; Adeva, Bernardo; Adinolfi, Marco; Affolder, Anthony; Ajaltouni, Ziad; Akar, Simon; Albrecht, Johannes; Alessio, Federico; Alexander, Michael; Ali, Suvayu; Alkhazov, Georgy; Alvarez Cartelle, Paula; Alves Jr, Antonio Augusto; Amato, Sandra; Amerio, Silvia; Amhis, Yasmine; An, Liupan; Anderlini, Lucio; Anderson, Jonathan; Andreassen, Rolf; Andreotti, Mirco; Andrews, Jason; Appleby, Robert; Aquines Gutierrez, Osvaldo; Archilli, Flavio; Artamonov, Alexander; Artuso, Marina; Aslanides, Elie; Auriemma, Giulio; Baalouch, Marouen; Bachmann, Sebastian; Back, John; Badalov, Alexey; Baesso, Clarissa; Baldini, Wander; Barlow, Roger; Barschel, Colin; Barsuk, Sergey; Barter, William; Batozskaya, Varvara; Battista, Vincenzo; Bay, Aurelio; Beaucourt, Leo; Beddow, John; Bedeschi, Franco; Bediaga, Ignacio; Belogurov, Sergey; Belous, Konstantin; Belyaev, Ivan; Ben-Haim, Eli; Bencivenni, Giovanni; Benson, Sean; Benton, Jack; Berezhnoy, Alexander; Bernet, Roland; Bettler, Marc-Olivier; van Beuzekom, Martinus; 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Syropoulos, Vasileios; Szczekowski, Marek; Szczypka, Paul; Szilard, Daniela; Szumlak, Tomasz; T'Jampens, Stephane; Teklishyn, Maksym; Tellarini, Giulia; Teubert, Frederic; Thomas, Christopher; Thomas, Eric; van Tilburg, Jeroen; Tisserand, Vincent; Tobin, Mark; Tolk, Siim; Tomassetti, Luca; Tonelli, Diego; Topp-Joergensen, Stig; Torr, Nicholas; Tournefier, Edwige; Tourneur, Stephane; Tran, Minh Tâm; Tresch, Marco; Tsaregorodtsev, Andrei; Tsopelas, Panagiotis; Tuning, Niels; Ubeda Garcia, Mario; Ukleja, Artur; Ustyuzhanin, Andrey; Uwer, Ulrich; Vacca, Claudia; Vagnoni, Vincenzo; Valenti, Giovanni; Vallier, Alexis; Vazquez Gomez, Ricardo; Vazquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vecchi, Stefania; Velthuis, Jaap; Veltri, Michele; Veneziano, Giovanni; Vesterinen, Mika; Viaud, Benoit; Vieira, Daniel; Vieites Diaz, Maria; Vilasis-Cardona, Xavier; Vollhardt, Achim; Volyanskyy, Dmytro; Voong, David; Vorobyev, Alexey; Vorobyev, Vitaly; Voß, Christian; Voss, Helge; de Vries, Jacco; Waldi, Roland; Wallace, Charlotte; Wallace, Ronan; Walsh, John; Wandernoth, Sebastian; Wang, Jianchun; Ward, David; Watson, Nigel; Websdale, David; Whitehead, Mark; Wicht, Jean; Wiedner, Dirk; Wilkinson, Guy; Williams, Matthew; Williams, Mike; Wilschut, Hans; Wilson, Fergus; Wimberley, Jack; Wishahi, Julian; Wislicki, Wojciech; Witek, Mariusz; Wormser, Guy; Wotton, Stephen; Wright, Simon; Wyllie, Kenneth; Xie, Yuehong; Xing, Zhou; Xu, Zhirui; Yang, Zhenwei; Yuan, Xuhao; Yushchenko, Oleg; Zangoli, Maria; Zavertyaev, Mikhail; Zhang, Liming; Zhang, Wen Chao; Zhang, Yanxi; Zhelezov, Alexey; Zhokhov, Anatoly; Zhong, Liang; Zvyagin, Alexander

    2015-01-01

    The production of the $\\eta_c (1S)$ state in proton-proton collisions is probed via its decay to the $p \\bar{p}$ final state with the LHCb detector, in the rapidity range $2.0 6.5$ GeV/c. The cross-section for prompt production of $\\eta_c (1S)$ mesons relative to the prompt $J/\\psi$ cross-section is measured, for the first time, to be $\\sigma_{\\eta_c (1S)}/\\sigma_{J/\\psi} = 1.74 \\pm 0.29 \\pm 0.28 \\pm 0.18 _{B}$ at a centre-of-mass energy $\\sqrt{s} = 7$ TeV using data corresponding to an integrated luminosity of 0.7 fb$^{-1}$, and $\\sigma_{\\eta_c (1S)}/\\sigma_{J/\\psi} = 1.60 \\pm 0.29 \\pm 0.25 \\pm 0.17 _{B}$ at $\\sqrt{s} = 8$ TeV using 2.0 fb$^{-1}$. The uncertainties quoted are, in order, statistical, systematic, and that on the ratio of branching fractions of the $\\eta_c (1S)$ and $J/\\psi$ decays to the $p \\bar{p}$ final state. In addition, the inclusive branching fraction of $b$-hadron decays into $\\eta_c (1S)$ mesons is measured, for the first time, to be $B ( b \\rightarrow \\eta_c X ) = (4.88 \\pm 0.64 \\pm ...

  8. Searches for isospin-violating transitions $\\chi_{c0,2} \\rightarrow \\pi^{0} \\eta_{c}$

    CERN Document Server

    Ablikim, M; Ai, X C; Albayrak, O; Albrecht, M; Ambrose, D J; Amoroso, A; An, F F; An, Q; Bai, J Z; Ferroli, R Baldini; Ban, Y; Bennett, D W; Bennett, J V; Bertani, M; Bettoni, D; Bian, J M; Bianchi, F; Boger, E; Bondarenko, O; Boyko, I; Briere, R A; Cai, H; Cai, X; Cakir, O; Calcaterra, A; Cao, G F; Cetin, S A; Chang, J F; Chelkov, G; Chen, G; Chen, H S; Chen, H Y; Chen, J C; Chen, M L; Chen, S J; Chen, X; Chen, X R; Chen, Y B; Cheng, H P; Chu, X K; Cibinetto, G; Cronin-Hennessy, D; Dai, H L; Dai, J P; Dbeyssi, A; Dedovich, D; Deng, Z Y; Denig, A; Denysenko, I; Destefanis, M; De Mori, F; Ding, Y; Dong, C; Dong, J; Dong, L Y; Dong, M Y; Du, S X; Duan, P F; Fan, J Z; Fang, J; Fang, S S; Fang, X; Fang, Y; Fava, L; Feldbauer, F; Felici, G; Feng, C Q; Fioravanti, E; Fritsch, M; Fu, C D; Gao, Q; Gao, Y; Gao, Z; Garzia, I; Geng, C; Goetzen, K; Gong, W X; Gradl, W; Greco, M; Gu, M H; Gu, Y T; Guan, Y H; Guo, A Q; Guo, L B; Guo, Y; Guo, Y P; Haddadi, Z; Hafner, A; Han, S; Han, Y L; Hao, X Q; Harris, F A; He, K L; He, Z Y; Held, T; Heng, Y K; Hou, Z L; Hu, C; Hu, H M; Hu, J F; Hu, T; Hu, Y; Huang, G M; Huang, G S; Huang, H P; Huang, J S; Huang, X T; Huang, Y; Hussain, T; Ji, Q; Ji, Q P; Ji, X B; Ji, X L; Jiang, L L; Jiang, L W; Jiang, X S; Jiao, J B; Jiao, Z; Jin, D P; Jin, S; Johansson, T; Julin, A; Kalantar-Nayestanaki, N; Kang, X L; Kang, X S; Kavatsyuk, M; Ke, B C; Kliemt, R; Kloss, B; Kolcu, O B; Kopf, B; Kornicer, M; Kuehn, W; Kupsc, A; Lai, W; Lange, J S; Lara, M; Larin, P; Li, C H; Li, Cheng; Li, D M; Li, F; Li, G; Li, H B; Li, J C; Li, Jin; Li, K; Li, P R; Li, T; Li, W D; Li, W G; Li, X L; Li, X M; Li, X N; Li, X Q; Li, Z B; Liang, H; Liang, Y F; Liang, Y T; Liao, G R; Lin, D X; Liu, B J; Liu, C X; Liu, F H; Liu, Fang; Liu, Feng; Liu, H B; Liu, H H; Liu, H M; Liu, J; Liu, J P; Liu, J Y; Liu, K; Liu, K Y; Liu, L D; Liu, P L; Liu, Q; Liu, S B; Liu, X; Liu, X X; Liu, Y B; Liu, Z A; Liu, Zhiqiang; Liu, Zhiqing; Loehner, H; Lou, X C; Lu, H J; Lu, J G; Lu, R Q; Lu, Y; Lu, Y P; Luo, C L; Luo, M X; Luo, T; Luo, X L; Lv, M; Lyu, X R; Ma, F C; Ma, H L; Ma, L L; Ma, Q M; Ma, S; Ma, T; Ma, X N; Ma, X Y; Maas, F E; Maggiora, M; Malik, Q A; Mao, Y J; Mao, Z P; Marcello, S; Messchendorp, J G; Min, J; Min, T J; Mitchell, R E; Mo, X H; Mo, Y J; Morales, C Morales; Moriya, K; Muchnoi, N Yu; Muramatsu, H; Nefedov, Y; Nerling, F; Nikolaev, I B; Ning, Z; Nisar, S; Niu, S L; Niu, X Y; Olsen, S L; Ouyang, Q; Pacetti, S; Patteri, P; Pelizaeus, M; Peng, H P; Peters, K; Ping, J L; Ping, R G; Poling, R; Pu, Y N; Qi, M; Qian, S; Qiao, C F; Qin, L Q; Qin, N; Qin, X S; Qin, Y; Qin, Z H; Qiu, J F; Rashid, K H; Redmer, C F; Ren, H L; Ripka, M; Rong, G; Ruan, X D; Santoro, V; Sarantsev, A; Savrié, M; Schoenning, K; Schumann, S; Shan, W; Shao, M; Shen, C P; Shen, P X; Shen, X Y; Sheng, H Y; Shepherd, M R; Song, W M; Song, X Y; Sosio, S; Spataro, S; Sun, G X; Sun, J F; Sun, S S; Sun, Y J; Sun, Y Z; Sun, Z J; Sun, Z T; Tang, C J; Tang, X; Tapan, I; Thorndike, E H; Tiemens, M; Toth, D; Ullrich, M; Uman, I; Varner, G S; Wang, B; Wang, B L; Wang, D; Wang, D Y; Wang, K; Wang, L L; Wang, L S; Wang, M; Wang, P; Wang, P L; Wang, Q J; Wang, S G; Wang, W; Wang, X F; Wang, Y D; Wang, Y F; Wang, Y Q; Wang, Z; Wang, Z G; Wang, Z H; Wang, Z Y; Weber, T; Wei, D H; Wei, J B; Weidenkaff, P; Wen, S P; Wiedner, U; Wolke, M; Wu, L H; Wu, Z; Xia, L G; Xia, Y; Xiao, D; Xiao, Z J; Xie, Y G; Xiu, Q L; Xu, G F; Xu, L; Xu, Q J; Xu, Q N; Xu, X P; Yan, L; Yan, W B; Yan, W C; Yan, Y H; Yang, H X; Yang, L; Yang, Y; Yang, Y X; Ye, H; Ye, M; Ye, M H; Yin, J H; Yu, B X; Yu, C X; Yu, H W; Yu, J S; Yuan, C Z; Yuan, W L; Yuan, Y; Yuncu, A; Zafar, A A; Zallo, A; Zeng, Y; Zhang, B X; Zhang, B Y; Zhang, C; Zhang, C C; Zhang, D H; Zhang, H H; Zhang, H Y; Zhang, J J; Zhang, J L; Zhang, J Q; Zhang, J W; Zhang, J Y; Zhang, J Z; Zhang, K; Zhang, L; Zhang, S H; Zhang, X Y; Zhang, Y; Zhang, Y H; Zhang, Y T; Zhang, Z H; Zhang, Z P; Zhang, Z Y; Zhao, G; Zhao, J W; Zhao, J Y; Zhao, J Z; Zhao, Lei; Zhao, Ling; Zhao, M G; Zhao, Q; Zhao, Q W; Zhao, S J; Zhao, T C; Zhao, Y B; Zhao, Z G; Zhemchugov, A; Zheng, B; Zheng, J P; Zheng, W J; Zheng, Y H; Zhong, B; Zhou, L; Zhou, Li; Zhou, X; Zhou, X K; Zhou, X R; Zhou, X Y; Zhu, K; Zhu, K J; Zhu, S; Zhu, X L; Zhu, Y C; Zhu, Y S; Zhu, Z A; Zhuang, J; Zou, B S; Zou, J H

    2015-01-01

    We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions $\\chi_{c0,2} \\rightarrow \\pi^{0} \\eta_{c}$. The measurements are performed using $106\\times 10^{6}$ $\\psi(3686)$ events accumulated with the BESIII detector at the BEPCII $e^{+}e^{-}$ collider at a center-of-mass energy corresponding to the $\\psi(3686)$ mass. We obtained upper limits on the branching fractions at a 90\\% confidence level of $B(\\chi_{c0} \\rightarrow \\pi^{0} \\eta_{c}) < 1.6 \\times 10^{-3}$ and $B(\\chi_{c2} \\rightarrow \\pi^{0} \\eta_{c}) < 3.2 \\times 10^{-3}$.

  9. Measurements of the Mass, Total Width and Two-Photon Partial Width of the $\\eta_{c}$ Meson

    CERN Document Server

    Brandenburg, G; Gao, Y S; Kim, D Y J; Wilson, R; Browder, T E; Li, Y; Rodríguez, J L; Yamamoto, H; Bergfeld, T; Eisenstein, B I; Ernst, J; Gladding, G E; Gollin, G D; Hans, R M; Johnson, E; Karliner, I; Marsh, M A; Palmer, M; Plager, C; Sedlack, C; Selen, M; Thaler, J J; Williams, J; Edwards, K W; Janicek, R; Patel, P M; Sadoff, A J; Ammar, R; Bean, A; Besson, D; Davis, R; Kwak, N; Zhao, X; Anderson, S; Frolov, V V; Kubota, Y; Lee, S J; Mahapatra, R; O'Neill, J J; Poling, R A; Riehle, T; Smith, A; Stepaniak, C J; Urheim, J; Ahmed, S; Alam, M S; Athar, S B; Jian, L; Ling, L; Saleem, M; Timm, S; Wappler, F; Anastassov, A; Duboscq, J E; Eckhart, E; Gan, K K; Gwon, C; Hart, T; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pedlar, T K; Schwarthoff, H; Thayer, J B; Von Törne, E; Zoeller, M M; Richichi, S J; Severini, H; Skubic, P L; Undrus, A; Chen, S; Fast, J; Hinson, J W; Lee, J; Miller, D H; Shibata, E I; Shipsey, I P J; Pavlunin, V; Cronin-Hennessy, D; Lyon, A L; Thorndike, E H; Jessop, C P; Marsiske, H; Perl, Martin Lewis; Savinov, V; Ugolini, D W; Zhou, X; Coan, T E; Fadeev, V; Maravin, Y; Narsky, I; Stroynowski, R; Ye, J; Wlodek, T; Artuso, M; Ayad, R; Boulahouache, C; Bukin, K; Dambasuren, E; Karamov, S; Majumder, G; Moneti, G C; Mountain, R; Schuh, S; Skwarnicki, T; Stone, S; Viehhauser, G; Wang, J C; Wolf, A; Wu, J; Kopp, S E; Mahmood, A H; Csorna, S E; Danko, I; McLean, K W; Marka, S; Xu, Z; Godang, R; Kinoshita, K; Lai, I C; Schrenk, S; Bonvicini, G; Cinabro, D; McGee, S; Perera, L P; Zhou, G J; Lipeles, E; Pappas, S P; Schmidtler, M; Shapiro, A; Sun, W M; Weinstein, A J; Würthwein, F; Jaffe, D E; Masek, G E; Paar, H P; Potter, E M; Prell, S; Sharma, V; Asner, D M; Eppich, A; Hill, T S; Morrison, R J; Briere, R A; Ferguson, T; Vogel, H; Behrens, B H; Ford, W T; Gritsan, A; Roy, J D; Smith, J G; Alexander, J P; Baker, R; Bebek, C; Berger, B E; Berkelman, K; Blanc, F; Boisvert, V; Cassel, David G; Dickson, M; Drell, P S; Ecklund, K M; Ehrlich, R; Foland, A D; Gaidarev, P B; Galik, R S; Gibbons, L K; Gittelman, B; Gray, S W; Hartill, D L; Heltsley, B K; Hopman, P I; Jones, C D; Kreinick, D L; Lohner, M; Magerkurth, A; Meyer, T O; Mistry, N B; Nordberg, E; Patterson, J R; Peterson, D; Riley, D; Thayer, J G; Thies, P G; Urner, D; Valant-Spaight, B L; Warburton, A; Avery, P; Prescott, C; Rubiera, A I; Yelton, J; Zheng, J

    2000-01-01

    Using 13.4 $fb^{-1}$ of data collected with the CLEO detector at the Cornell Electron Storage Ring, we have observed 300 events for the two-photon production of ground-state pseudo-scalar charmonium in the decay $\\eta_c$ -> $K_S K^{\\mp} \\pi^{\\pm}$. We have measured the $\\eta_c$ mass to be (2980.4 +- 2.3 (stat) +- 0.6 (sys)) MeV and its full width as (27.0 +- 5.8 (stat) +- 1.4 (sys)) MeV. We have determined the two-photon partial width of the $\\eta_c$ meson to be (7.6 +- 0.8 (stat) +- 0.4 (sys) +- 2.3 (br)) keV, with the last uncertainty associated with the decay branching fraction.

  10. Strong three-meson couplings of $J/\\psi$ and $\\eta_c$

    CERN Document Server

    Lucha, Wolfgang; Sazdjian, Hagop; Simula, Silvano

    2016-01-01

    We discuss the strong couplings $g_{PPV}$ and $g_{VVP}$ for vector ($V$) and pseudoscalar ($P$) mesons, at least one of which is a charmonium state $J/\\psi$ or $\\eta_c$. The strong couplings are obtained as residues at the poles of suitable form factors, calculated in a broad range of momentum transfers by a relativistic dispersion approach relying on the constituent quark picture. The spectral representations for the couplings under discussion satisfy all constraints known for these quantities in the heavy-quark limit. Our results suggest sizeably higher values than those reported in the literature from QCD sum rules.

  11. Arthroscopic subtalar arthrodesis.

    Science.gov (United States)

    Lopes, R; Andrieu, M; Bauer, T

    2016-12-01

    Arthroscopic subtalar arthrodesis is gaining in popularity based on evidence of bone fusion in over 90% of cases, with a shorter time to healing, a simpler postoperative course, and fewer complication compared to open surgery. Two arthroscopic techniques have been reported: one with the patient in lateral decubitus and lateral portals and the other with the patient prone and posterior portals. The objective of this technical note is to describe these two techniques, with emphasis on the specific characteristics of each. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

  12. Arthroscopic partial medial meniscectomy

    Directory of Open Access Journals (Sweden)

    Dašić Žarko

    2011-01-01

    Full Text Available Background/Aim. Meniscal injuries are common in professional or recreational sports as well as in daily activities. If meniscal lesions lead to physical impairment they usually require surgical treatment. Arthroscopic treatment of meniscal injuries is one of the most often performed orthopedic operative procedures. Methods. The study analyzed the results of arthroscopic partial medial meniscectomy in 213 patients in a 24-month period, from 2006, to 2008. Results. In our series of arthroscopically treated medial meniscus tears we noted 78 (36.62% vertical complete bucket handle lesions, 19 (8.92% vertical incomplete lesions, 18 (8.45% longitudinal tears, 35 (16.43% oblique tears, 18 (8.45% complex degenerative lesions, 17 (7.98% radial lesions and 28 (13.14% horisontal lesions. Mean preoperative International Knee Documentation Committee (IKDC score was 49.81%, 1 month after the arthroscopic partial medial meniscectomy the mean IKDC score was 84.08%, and 6 months after mean IKDC score was 90.36%. Six months after the procedure 197 (92.49% of patients had good or excellent subjective postoperative clinical outcomes, while 14 (6.57% patients subjectively did not notice a significant improvement after the intervention, and 2 (0.93% patients had no subjective improvement after the partial medial meniscectomy at all. Conclusion. Arthroscopic partial medial meniscetomy is minimally invasive diagnostic and therapeutic procedure and in well selected cases is a method of choice for treatment of medial meniscus injuries when repair techniques are not a viable option. It has small rate of complications, low morbidity and fast rehabilitation.

  13. Arthroscopic latarjet procedure: safety evaluation in cadavers

    National Research Council Canada - National Science Library

    Gracitelli, Mauro Emilio Conforto; Ferreira, Arnaldo Amado; Benegas, Eduardo; Malavolta, Eduardo Angeli; Sunada, Edwin Eiji; Assunção, Jorge Henrique

    2013-01-01

    To evaluate the safety of arthroscopic Latarjet procedure in cadavers. : Twelve cadaveric shoulders underwent arthroscopic Latarjet procedure in our laboratory for arthroscopy, by four different surgeons...

  14. Arthroscopic psoas tenotomy.

    Science.gov (United States)

    Wettstein, Michael; Jung, Jochen; Dienst, Michael

    2006-08-01

    Tenotomy may be indicated for psoas tendinitis or painful snapping if conservative treatment remains unsuccessful. Because of significant complications with open techniques, endoscopic operations have been developed. We present a new arthroscopic technique to access and release the psoas tendon from the hip joint. This procedure can be performed in addition to other arthroscopic procedures of the hip joint or alone. To exclude additional hip disease, a diagnostic round of the joint should be completed. After hip arthroscopy of the central compartment has been performed, traction is released and the 30 degrees arthroscope is placed via the proximal anterolateral portal lying on the anterior femoral neck. The medial synovial fold can be identified. This fold lies slightly medially underneath the anteromedial capsule at the level of the psoas tendon. The arthroscope is turned toward the anterior capsule. Sometimes, the tendon shines through a thin articular capsule, or it may even be accessed directly via a hole connecting the hip joint and the iliopectineal bursa at the level of the anterior head-neck junction. If this cannot be done, an electrothermic probe is introduced via the anterior portal to make a 2-cm transverse capsular incision. The tendon is released with the back side of the electrothermic device turned to the iliacus muscle that lies anterior to the psoas tendon. A complete release is achieved when the tendon stumps can be seen gapping at a distance and the fibers of the iliacus muscle are visible. The first 9 patients who underwent surgery performed according to this technique developed no complications, and their hip flexion strength was restored to normal within 3 months.

  15. Arthroscopic tennis elbow release.

    Science.gov (United States)

    Savoie, Felix H; O'Brien, Michael J

    2015-01-01

    Lateral epicondylitis, originally referred to as tennis elbow, affects between 1% and 3% of the population and is usually found in patients aged 35 to 50 years. Although it was initially thought that lateral epicondylitis was caused by an inflammatory process, most microscopic studies of excised tissue demonstrate a failure of reparative response in the extensor carpi radialis brevis tendon and in any of the associated structures. Most cases of lateral epicondylitis respond to appropriate nonsurgical treatment protocols, which include medication, bracing, physical therapy, corticosteroid injections, shock wave therapy, platelet-rich plasma, and low-dose thermal or ultrasound ablation devices. However, when these protocols are unsuccessful, surgical measures may be appropriate and have a high rate of success. The results of arthroscopic surgical procedures have documented satisfactory results, with improvement rates reported between 91% and 97.7%. Recent advances in arthroscopic repair and plication of these lesions, along with recognizing the presence and repair of coexisting lesions, have allowed arthroscopic techniques to provide excellent results.

  16. Study of $\\psi(3686)\\to\\pi^0 h_c, h_c\\to\\gamma\\eta_c$ via $\\eta_c$ exclusive decays

    CERN Document Server

    Ablikim, M; Ambrose, D J; An, F F; An, Q; An, Z H; Bai, J Z; Ban, Y; Becker, J; Bertani, M; Bian, J M; Boger, E; Bondarenko, O; Boyko, I; Briere, R A; Bytev, V; Cai, X; Cakir, O; Calcaterra, A; Cao, G F; Cetin, S A; Chang, J F; Chelkov, G; Chen, G; Chen, H S; Chen, J C; Chen, M L; Chen, S J; Chen, Y B; Cheng, H P; Chu, Y P; Cronin-Hennessy, D; Dai, H L; Dai, J P; Dedovich, D; Deng, Z Y; Denig, A; Denysenko, I; Destefanis, M; Ding, W M; Ding, Y; Dong, L Y; Dong, M Y; Du, S X; Fang, J; Fang, S S; Fava, L; Feldbauer, F; Feng, C Q; Ferroli, R B; Fu, C D; Fu, J L; Gao, Y; Geng, C; Goetzen, K; Gong, W X; Gradl, W; Greco, M; Gu, M H; Gu, Y T; Guan, Y H; Guo, A Q; Guo, L B; Guo, Y P; Han, Y L; Harris, F A; He, K L; He, M; He, Z Y; Held, T; Heng, Y K; Hou, Z L; Hu, H M; Hu, J F; Hu, T; Huang, G M; Huang, J S; Huang, X T; Huang, Y P; Hussain, T; Ji, C S; Ji, Q; Ji, X B; Ji, X L; Jiang, L L; Jiang, X S; Jiao, J B; Jiao, Z; Jin, D P; Jin, S; Jing, F F; Kalantar-Nayestanaki, N; Kavatsyuk, M; Kuehn, W; Lai, W; Lange, J S; Li, C H; Li, Cheng; Li, Cui; Li, D M; Li, F; Li, G; Li, H B; Li, J C; Li, K; Li, Lei; Li, Q J; Li, S L; Li, W D; Li, W G; Li, X L; Li, X N; Li, X Q; Li, X R; Li, Z B; Liang, H; Liang, Y F; Liang, Y T; Liao, G R; Liao, X T; Liu, B J; Liu, C L; Liu, C X; Liu, C Y; Liu, F H; Liu, Fang; Liu, Feng; Liu, H; Liu, H B; Liu, H H; Liu, H M; Liu, H W; Liu, J P; Liu, K Y; Liu, Kai; Liu, P L; Liu, Q; Liu, S B; Liu, X; Liu, X H; Liu, Y B; Liu, Z A; Liu, Zhiqiang; Liu, Zhiqing; Loehner, H; Lu, G R; Lu, H J; Lu, J G; Lu, Q W; Lu, X R; Lu, Y P; Luo, C L; Luo, M X; Luo, T; Luo, X L; Lv, M; Ma, C L; Ma, F C; Ma, H L; Ma, Q M; Ma, S; Ma, T; Ma, X Y; Ma, Y; Maas, F E; Maggiora, M; Malik, Q A; Mao, Y J; Mao, Z P; Messchendorp, J G; Min, J; Min, T J; Mitchell, R E; Mo, X H; Morales, C Morales; Motzko, C; Muchnoi, N Yu; Muramatsu, H; Nefedov, Y; Nicholson, C; Nikolaev, I B; Ning, Z; Olsen, S L; Ouyang, Q; Pacetti, S; Park, J W; Pelizaeus, M; Peng, H P; Peters, K; Ping, J L; Ping, R G; Poling, R; Prencipe, E; Qi, M; Qian, S; Qiao, C F; Qin, X S; Qin, Y; Qin, Z H; Qiu, J F; Rashid, K H; Rong, G; Ruan, X D; Sarantsev, A; Schaefer, B D; Schulze, J; Shao, M; Shen, C P; Shen, X Y; Sheng, H Y; Shepherd, M R; Song, X Y; Spataro, S; Spruck, B; Sun, D H; Sun, G X; Sun, J F; Sun, S S; Sun, Y J; Sun, Y Z; Sun, Z J; Sun, Z T; Tang, C J; Tang, X; Tapan, I; Thorndike, E H; Toth, D; Ullrich, M; Varner, G S; Wang, B; Wang, B Q; Wang, K; Wang, L L; Wang, L S; Wang, M; Wang, P; Wang, P L; Wang, Q; Wang, Q J; Wang, S G; Wang, X L; Wang, Y D; Wang, Y F; Wang, Y Q; Wang, Z; Wang, Z G; Wang, Z Y; Wei, D H; Weidenkaff, P; Wen, Q G; Wen, S P; Werner, M; Wiedner, U; Wu, L H; Wu, N; Wu, S X; Wu, W; Wu, Z; Xia, L G; Xiao, Z J; Xie, Y G; Xiu, Q L; Xu, G F; Xu, G M; Xu, H; Xu, Q J; Xu, X P; Xu, Z R; Xue, F; Xue, Z; Yan, L; Yan, W B; Yan, Y H; Yang, H X; Yang, Y; Yang, Y X; Ye, H; Ye, M; Ye, M H; Yu, B X; Yu, C X; Yu, J S; Yu, S P; Yuan, C Z; Yuan, Y; Zafar, A A; Zallo, A; Zeng, Y; Zhang, B X; Zhang, B Y; Zhang, C C; Zhang, D H; Zhang, H H; Zhang, H Y; Zhang, J Q; Zhang, J W; Zhang, J Y; Zhang, J Z; Zhang, S H; Zhang, X J; Zhang, X Y; Zhang, Y; Zhang, Y H; Zhang, Y S; Zhang, Z P; Zhang, Z Y; Zhao, G; Zhao, H S; Zhao, J W; Zhao, K X; Zhao, Lei; Zhao, Ling; Zhao, M G; Zhao, Q; Zhao, S J; Zhao, T C; Zhao, X H; Zhao, Y B; Zhao, Z G; Zhemchugov, A; Zheng, B; Zheng, J P; Zheng, Y H; Zhong, B; Zhong, J; Zhou, L; Zhou, X K; Zhou, X R; Zhu, C; Zhu, K; Zhu, K J; Zhu, S H; Zhu, X L; Zhu, X W; Zhu, Y C; Zhu, Y M; Zhu, Y S; Zhu, Z A; Zhuang, J; Zou, B S; Zou, J H

    2012-01-01

    The process $\\psi(3686) \\to \\pi^0 h_c, h_c \\to \\gamma \\eta_c$ has been studied with a data sample of $106 \\pm 4$ million $\\psi(3686)$ events collected with the BESIII detector at the BEPCII storage ring. The mass and width of the $P$-wave charmonium spin-singlet state $h_c(^1P_1)$ are determined by simultaneously fitting distributions of the $\\pi^0$ recoil mass for 16 exclusive $\\eta_c$ decay modes. The results, $M(\\hc) = 3525.31 \\pm 0.11 {\\rm (stat.)} \\pm 0.14 {\\rm (syst.)}$\\,MeV/$c^2$ and $\\Gamma(\\hc) = 0.70 \\pm 0.28 \\pm 0.22$\\,MeV, are consistent with and more precise than previous measurements. We also determine the branching ratios for the 16 exclusive $\\eta_c$ decay modes, five of which have not been measured previously. New measurements of the $\\eta_c$ line-shape parameters in the $E1$ transition $h_c\\to\\gamma\\eta_c$ are made by selecting candidates in the $h_c$ signal sample and simultaneously fitting the hadronic mass spectra for the 16 $\\eta_c$ decay channels. The resulting $\\eta_c$ mass and width v...

  17. Observation of $\\eta_{c}$ decay into $\\Sigma^{+}\\bar{\\Sigma}^{-}$ and $\\Xi^{-}\\bar{\\Xi}^{+}$ final states

    CERN Document Server

    Ablikim, M; Albayrak, O; Ambrose, D J; An, F F; An, Q; Bai, J Z; Ban, Y; Becker, J; Bennett, J V; Bertani, M; Bian, J M; Boger, E; Bondarenko, O; Boyko, I; Briere, R A; Bytev, V; Cai, X; Cakir, O; Calcaterra, A; Cao, G F; Cetin, S A; Chang, J F; Chelkov, G; Chen, G; Chen, H S; Chen, J C; Chen, M L; Chen, S J; Chen, X; Chen, Y B; Cheng, H P; Chu, Y P; Coccetti, F; Cronin-Hennessy, D; Dai, H L; Dai, J P; Dedovich, D; Deng, Z Y; Denig, A; Denysenko, I; Destefanis, M; Ding, W M; Ding, Y; Dong, L Y; Dong, M Y; Du, S X; Fang, J; Fang, S S; Fava, L; Feldbauer, F; Feng, C Q; Ferroli, R B; Fu, C D; Fu, J L; Gao, Y; Geng, C; Goetzen, K; Gong, W X; Gradl, W; Greco, M; Gu, M H; Gu, Y T; Guan, Y H; Guo, A Q; Guo, L B; Guo, Y P; Han, Y L; Harris, F A; He, K L; He, M; He, Z Y; Held, T; Heng, Y K; Hou, Z L; Hu, H M; Hu, J F; Hu, T; Huang, G M; Huang, G S; Huang, J S; Huang, X T; Huang, Y P; Hussain, T; Ji, C S; Ji, Q; Ji, Q P; Ji, X B; Ji, X L; Jiang, L L; Jiang, X S; Jiao, J B; Jiao, Z; Jin, D P; Jin, S; Jing, F F; Kalantar-Nayestanaki, N; Kavatsyuk, M; Kornicer, M; Kuehn, W; Lai, W; Lange, J S; Li, C H; Li, Cheng; Li, Cui; Li, D M; Li, F; Li, G; Li, H B; Li, J C; Li, K; Li, Lei; Li, Q J; Li, S L; Li, W D; Li, W G; Li, X L; Li, X N; Li, X Q; Li, X R; Li, Z B; Liang, H; Liang, Y F; Liang, Y T; Liao, G R; Liao, X T; Liu, B J; Liu, C L; Liu, C X; Liu, C Y; Liu, F H; Liu, Fang; Liu, Feng; Liu, H; Liu, H H; Liu, H M; Liu, H W; Liu, J P; Liu, K Y; Liu, Kai; Liu, P L; Liu, Q; Liu, S B; Liu, X; Liu, Y B; Liu, Z A; Liu, Zhiqiang; Liu, Zhiqing; Loehner, H; Lu, G R; Lu, H J; Lu, J G; Lu, Q W; Lu, X R; Lu, Y P; Luo, C L; Luo, M X; Luo, T; Luo, X L; Lv, M; Ma, C L; Ma, F C; Ma, H L; Ma, Q M; Ma, S; Ma, T; Ma, X Y; Ma, Y; Maas, F E; Maggiora, M; Malik, Q A; Mao, Y J; Mao, Z P; Messchendorp, J G; Min, J; Min, T J; Mitchell, R E; Mo, X H; Morales, C Morales; Motzko, C; Muchnoi, N Yu; Muramatsu, H; Nefedov, Y; Nicholson, C; Nikolaev, I B; Ning, Z; Olsen, S L; Ouyang, Q; Pacetti, S; Park, J W; Pelizaeus, M; Peng, H P; Peters, K; Ping, J L; Ping, R G; Poling, R; Prencipe, E; Qi, M; Qian, S; Qiao, C F; Qin, X S; Qin, Y; Qin, Z H; Qiu, J F; Rashid, K H; Rong, G; Ruan, X D; Sarantsev, A; Schaefer, B D; Schulze, J; Shao, M; Shen, C P; Shen, X Y; Sheng, H Y; Shepherd, M R; Song, X Y; Spataro, S; Spruck, B; Sun, D H; Sun, G X; Sun, J F; Sun, S S; Sun, Y J; Sun, Y Z; Sun, Z J; Sun, Z T; Tang, C J; Tang, X; Tapan, I; Thorndike, E H; Toth, D; Ullrich, M; Varner, G S; Wang, B; Wang, B Q; Wang, D; Wang, D Y; Wang, K; Wang, L L; Wang, L S; Wang, M; Wang, P; Wang, P L; Wang, Q; Wang, Q J; Wang, S G; Wang, X L; Wang, Y D; Wang, Y F; Wang, Y Q; Wang, Z; Wang, Z G; Wang, Z Y; Wei, D H; Wei, J B; Weidenkaff, P; Wen, Q G; Wen, S P; Werner, M; Wiedner, U; Wu, L H; Wu, N; Wu, S X; Wu, W; Wu, Z; Xia, L G; Xiao, Z J; Xie, Y G; Xiu, Q L; Xu, G F; Xu, G M; Xu, H; Xu, Q J; Xu, X P; Xu, Z R; Xue, F; Xue, Z; Yan, L; Yan, W B; Yan, Y H; Yang, H X; Yang, Y; Yang, Y X; Ye, H; Ye, M; Ye, M H; Yu, B X; Yu, C X; Yu, H W; Yu, J S; Yu, S P; Yuan, C Z; Yuan, Y; Zafar, A A; Zallo, A; Zeng, Y; Zhang, B X; Zhang, B Y; Zhang, C; Zhang, C C; Zhang, D H; Zhang, H H; Zhang, H Y; Zhang, J Q; Zhang, J W; Zhang, J Y; Zhang, J Z; Zhang, S H; Zhang, X J; Zhang, X Y; Zhang, Y; Zhang, Y H; Zhang, Y S; Zhang, Z P; Zhang, Z Y; Zhao, G; Zhao, H S; Zhao, J W; Zhao, K X; Zhao, Lei; Zhao, Ling; Zhao, M G; Zhao, Q; Zhao, Q Z; Zhao, S J; Zhao, T C; Zhao, X H; Zhao, Y B; Zhao, Z G; Zhemchugov, A; Zheng, B; Zheng, J P; Zheng, Y H; Zhong, B; Zhong, J; Zhong, Z; Zhou, L; Zhou, X K; Zhou, X R; Zhu, C; Zhu, K; Zhu, K J; Zhu, S H; Zhu, X L; Zhu, Y C; Zhu, Y M; Zhu, Y S; Zhu, Z A; Zhuang, J; Zou, B S; Zou, J H

    2012-01-01

    Using a data sample of $2.25\\times10^{8}$ $J/\\psi$ events collected with the BESIII detector, we present the first observation of the decays of $\\eta_{c}$ mesons to $\\Sigma^{+}\\bar{\\Sigma}^{-}$ and $\\Xi^{-}\\bar{\\Xi}^{+}$. The branching fractions are measured to be $(2.11\\pm0.28_{\\rm stat.}\\pm0.18_{\\rm syst.}\\pm0.50_{\\rm PDG})\\times10^{-3}$ and $(0.89\\pm0.16_{\\rm stat.}\\pm0.08_{\\rm syst.}\\pm0.21_{\\rm PDG})\\times10^{-3}$ for $\\eta_{c} \\to \\Sigma^{+}\\bar{\\Sigma}^{-}$ and $\\Xi^{-}\\bar{\\Xi}^{+}$, respectively. These branching fractions provide important information on the helicity selection rule in charmonium-decay processes.

  18. Search for $B$ decays to final states with the $\\eta_c$ meson

    CERN Document Server

    Vinokurova, Anna

    2015-01-01

    We report a search for $B$ decays to selected final states with the $\\eta_c$ meson: $B^{\\pm}\\to K^{\\pm}\\eta_c\\pi^+\\pi^-$, $B^{\\pm}\\to K^{\\pm}\\eta_c\\omega$, $B^{\\pm}\\to K^{\\pm}\\eta_c\\eta$ and $B^{\\pm}\\to K^{\\pm}\\eta_c\\pi^0$. The analysis is based on $772\\times 10^6$ $B\\bar{B}$ pairs collected at the $\\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We set 90% confidence level upper limits on the branching fractions of the studied $B$ decay modes, independent of intermediate resonances, in the range $(0.6-5.3)\\times 10^{-4}$. We also search for molecular-state candidates in the $D^0\\bar{D}^{*0}-\\bar{D}^0D^{*0}$, $D^0\\bar{D}^0+\\bar{D}^0D^0$ and $D^{*0}\\bar{D}^{*0}+\\bar{D}^{*0}D^{*0}$ combinations, neutral partners of the $Z(3900)^{\\pm}$ and $Z(4020)^{\\pm}$, and a poorly understood state $X(3915)$ as possible intermediate states in the decay chain, and set 90% confidence level upper limits on the product of branching fractions to the mentioned intermediate states an...

  19. Resummation of QCD Corrections to the eta_c Decay Rate

    CERN Document Server

    Bodwin, Geoffrey T; Bodwin, Geoffrey T.; Chen, Yu-Qi

    2001-01-01

    We examine the ratio of the decay rate of the eta_c into light hadrons to the decay rate into photons and find that most of the large next-to-leading-order (NL0) correction is associated with running of the strong coupling alpha_s. We resum such contributions by analyzing final-state chains of vacuum-polarization bubbles. We show that the nonperturbative parts of the bubble chains can be absorbed into a color-octet matrix element, once one has used contour deformations of the phase-space integrals to cancel certain contributions. We argue that these contributions are incompatible with the uncertainty principle. We also argue that perturbation theory is reliable only if one carries out the phase-space integrations before the perturbation sum. Our results are in good agreement with experiment and differ considerably from those that one obtains by applying the scale-setting method of Brodsky, Lepage, and Mackenzie to the NLO result.

  20. Search for B decays to final states with the eta_c meson

    CERN Document Server

    Vinokurova, A; Eidelman, S; Abdesselam, A; Adachi, I; Aihara, H; Arinstein, K; Asner, D M; Aushev, T; Ayad, R; Bakich, A M; Bansal, V; Bhardwaj, V; Bhuyan, B; Bobrov, A; Bondar, A; Bozek, A; Bračko, M; Browder, T E; Chekelian, V; Cheon, B G; Chilikin, K; Chistov, R; Cho, K; Choi, S -K; Choi, Y; Cinabro, D; Dingfelder, J; Doležal, Z; Drásal, Z; Drutskoy, A; Dutta, D; Epifanov, D; Farhat, H; Fast, J E; Ferber, T; Gaur, V; Gabyshev, N; Garmash, A; Gillard, R; Goh, Y M; Golob, B; Haba, J; Hayasaka, K; Hayashii, H; He, X H; Hou, W -S; Inami, K; Ishikawa, A; Itoh, R; Iwasaki, Y; Joffe, D; Julius, T; Kang, K H; Kato, E; Kiesling, C; Kim, D Y; Kim, H J; Kim, J H; Kim, K T; Kim, M J; Kim, S H; Kim, Y J; Kinoshita, K; Ko, B R; Kodyš, P; Korpar, S; Križan, P; Krokovny, P; Kuhr, T; Kumita, T; Kwon, Y -J; Lange, J S; Gioi, L Li; Libby, J; Liventsev, D; Lukin, P; Matvienko, D; Miyabayashi, K; Miyake, H; Miyata, H; Mohanty, G B; Moll, A; Mori, T; Mussa, R; Nakano, E; Nakao, M; Natkaniec, Z; Ng, C; Nisar, N K; Nishida, S; Ogawa, S; Okuno, S; Olsen, S L; Pakhlov, P; Pakhlova, G; Park, C W; Park, H; Pedlar, T K; Pestotnik, R; Petrič, M; Piilonen, L E; Ribežl, E; Ritter, M; Rostomyan, A; Sakai, Y; Sandilya, S; Santel, D; Santelj, L; Sanuki, T; Sato, Y; Savinov, V; Schneider, O; Schnell, G; Schwanda, C; Semmler, D; Senyo, K; Seon, O; Sevior, M E; Shebalin, V; Shen, C P; Shibata, T -A; Shiu, J -G; Shwartz, B; Sibidanov, A; Simon, F; Sohn, Y -S; Sokolov, A; Solovieva, E; Stanič, S; Starič, M; Steder, M; Sumihama, M; Sumiyoshi, T; Tamponi, U; Tatishvili, G; Teramoto, Y; Uchida, M; Uglov, T; Unno, Y; Uno, S; Van Hulse, C; Vanhoefer, P; Varner, G; Vorobyev, V; Wagner, M N; Wang, C H; Wang, M -Z; Wang, P; Watanabe, Y; Williams, K M; Won, E; Yamaoka, J; Yashchenko, S; Yook, Y; Zhang, Z P; Zhulanov, V; Zupanc, A

    2015-01-01

    We report a search for $B$ decays to selected final states with the $\\eta_c$ meson: $B^{\\pm}\\to K^{\\pm}\\eta_c\\pi^+\\pi^-$, $B^{\\pm}\\to K^{\\pm}\\eta_c\\omega$, $B^{\\pm}\\to K^{\\pm}\\eta_c\\eta$ and $B^{\\pm}\\to K^{\\pm}\\eta_c\\pi^0$. The analysis is based on $772\\times 10^6$ $B\\bar{B}$ pairs collected at the $\\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We set 90% confidence level upper limits on the branching fractions of the studied $B$ decay modes, independent of intermediate resonances, in the range $(0.6-5.3)\\times 10^{-4}$. We also search for molecular-state candidates for the $D^0\\bar{D}^{*0}-\\bar{D}^0D^{*0}$, $D^0\\bar{D}^0+\\bar{D}^0D^0$ and $D^{*0}\\bar{D}^{*0}+\\bar{D}^{*0}D^{*0}$ combinations, neutral partners of the $Z(3900)^{\\pm}$ and $Z(4020)^{\\pm}$, and a poorly understood state $X(3915)$ as possible intermediate states in the decay chain, and set 90% confidence level upper limits on the product of branching fractions to $X$ and decay branching fractions o...

  1. The $Z_c^{(\\prime)} \\to \\eta_c \\rho$ decay as a discriminant between tetraquarks and meson molecules

    CERN Document Server

    Esposito, Angelo; Pilloni, Alessandro

    2015-01-01

    Understanding the nature of the exotic XYZ resonances is one of the open problems in hadronic spectroscopy. Despite the experimental efforts, the structure of these particles still lacks of an accepted theoretical framework. We propose to use the $Z_c^{(\\prime)} \\to \\eta_c \\rho$ decays as a possible discriminant between two of the most popular models: the compact tetraquark and the loosely bound meson molecule. We show that the predictions obtained within the two pictures are significantly different and therefore the proposed decay channel might shed some light on the nature of these states.

  2. First Measurements of eta_c Decaying into K^+K^-2(pi^+pi^-) and 3(pi^+pi^-)

    CERN Document Server

    Ablikim, M; Ban, Y; Bian, J G; Cai, X; Chang, J F; Chen, H F; Chen, H S; Chen, H X; Chen, J C; Chen Jin; Chen Jun; Chen, M L; Chen, Y B; Chi, S P; Chu, Y P; Cui, X Z; Dai, H L; Dai, Y S; Deng, Z Y; Dong, L Y; Dong, Q F; Du, S X; Du, Z Z; Fang, J; Fang, S S; Fu, C D; Fu, H Y; Gao, C S; Gao, Y N; Gong, M Y; Gong, W X; Gu, S D; Guo, Y N; Guo, Y Q; Guo, Z J; Harris, F A; He, K L; He, M; He, X; Heng, Y K; Hu, H M; Hu, T; Huang, G S; Huang, X P; Huang, X T; Ji, X B; Jiang, C H; Jiang, X S; Jin, D P; Jin, S; Jin, Y; Yi Jin; Lai, Y F; Li, F; Li, G; Li, H H; Li, J; Li, J C; Li, Q J; Li, R Y; Li, S M; Li, W D; Li, W G; Li, X L; Li, X Q; Li, Y L; Liang, Y F; Liao, H B; Liu, C X; Liu, F; Fang Liu; Liu, H H; Liu, H M; Liu, J; Liu, J B; Liu, J P; Liu, R G; Liu, Z A; Liu, Z X; Lu, F; Lu, G R; Lu, H J; Lu, J G; Luo, C L; Luo, L X; Luo, X L; Ma, F C; Ma, H L; Ma, J M; Ma, L L; Ma, Q M; Ma, X B; Ma, X Y; Mao, Z P; Mo, X H; Nie, J; Nie, Z D; Olsen, S L; Peng, H P; Qi, N D; Qian, C D; Qin, H; Qiu, J F; Ren, Z Y; Rong, G; Shan, L Y; Shang, L; Shen, D L; Shen, X Y; Sheng, H Y; Shi, F; Shi, X; Sun, H S; Sun, J F; Sun, S S; Sun, Y Z; Sun, Z J; Tang, X; Tao, N; Tian, Y R; Tong, G L; Varner, G S; Wang, D Y; Wang, J Z; Wang, K; Wang, L; Wang, L S; Wang, M; Wang, P; Wang, P L; Wang, S Z; Wang, W F; Wang, Y F; Wang, Z; Wang, Z Y; Wand, Zhe; Wang, Zheng; Wei, C L; Wei, D H; Wu, N; Wu, Y M; Xia, X M; Xie, X X; Xin, B; Xu, G F; Xu, H; Xue, S T; Yan, M L; Yang, F; Yang, H X; Yang, J; Yang, Y X; Ye, M; Ye, M H; Ye, Y X; Yi, L H; Yi, Z Y; Yu, C S; Yu, G W; Yuan, C Z; Yuan, J M; Yuan, Y; Zang, S L; Zeng, Y; Zeng, Yu; Zhang, B X; Zhang, B Y; Zhang, C C; Zhang, D H; Zhang, H Y; Zhang, J; Zhang, J W; Zhang, J Y; Zhang, Q J; Zhang, S Q; Zhang, X M; Zhang, X Y; Zhang, Y Y; Zahng, Yiyun; Zhang, Z P; Zhang, Z Q; Zhao, D X; Zhao, J B; Zhao, J W; Zhao, M G; Zhao, P P; Zhao, W R; Zhao, X J; Zhao, Y B; Zhao, Z G; Zheng, H Q; Zheng, J P; Zheng, L S; Zheng, Z P; Zhong, X C; Zhou, B Q; Zhou, G M; Zhou, L; Zhou, N F; Zhu, K J; Zhu, Q M; Zhu, Y C; Zhu, Y S; Zhu, Yingchun; Zhu, Z A; Zhuang, B A; Zhuang, X A; Zou, B S

    2006-01-01

    The decays of eta_c to K^+K^-2(pi^+pi^-) and 3(pi^+pi^-) are observed for the first time using a sample of 5.8X10^7 J/\\psi events collected by the BESII detector. The product branching fractions are determined to be B(J/\\psi-->gamma eta_c)*B(eta_c-->K^+K^-pi^+pi^-pi^+pi^-)=(1.21+-0.32+- 0.23)X10^{-4}$,B(J/\\psi-->gamma eta_c)*B(eta_c-->K^{*0}\\bar{K}^{*0}pi^+pi^-)= (1.29+-0.43+-0.32)X10^{-4}$, and (J/\\psi-->gamma eta_c)* B(eta_c-->pi^+pi^-pi^+pi^-pi^+pi^-)= (2.59+-0.32+-0.48)X10^{-4}. The upper limit for eta_c-->phi pi^+pi^-pi^+pi^- is also obtained as B(J/\\psi-->gamma eta_c)*B(eta_c--> phi pi^+pi^-pi^+pi^-)< 6.03 X10^{-5} at the 90% confidence level.

  3. Arthroscopic surgery for degenerative knee

    DEFF Research Database (Denmark)

    Thorlund, J B; Juhl, C B; Roos, E M;

    2015-01-01

    OBJECTIVE: To determine benefits and harms of arthroscopic knee surgery involving partial meniscectomy, debridement, or both for middle aged or older patients with knee pain and degenerative knee disease. DESIGN: Systematic review and meta-analysis. MAIN OUTCOME MEASURES: Pain and physical function....... RESULTS: The search identified nine trials assessing the benefits of knee arthroscopic surgery in middle aged and older patients with knee pain and degenerative knee disease. The main analysis, combining the primary endpoints of the individual trials from three to 24 months postoperatively, showed a small...... included symptomatic deep venous thrombosis (4.13 (95% confidence interval 1.78 to 9.60) events per 1000 procedures), pulmonary embolism, infection, and death. CONCLUSIONS: The small inconsequential benefit seen from interventions that include arthroscopy for the degenerative knee is limited in time...

  4. $\\eta_c$ production associated with light hadrons at the B-factories and the future super B-factories

    CERN Document Server

    Gong, Qin-Rong; Zhang, Hong-Fei; Mo, Xue-Mei

    2016-01-01

    We present a complete study of the associated production of the $\\eta_c$ meson with light hadrons in $e^+e^-$ collisions at the B-factory energy, which is demonstrated to be one of the best laboratories for testing the colour-octet (CO) mechanism. The colour-siglet contributions are evaluated up to $O(\\alpha^2\\alpha_s^3)$ while the CO ones are evaluated up to $O(\\alpha^2\\alpha_s^2)$. For the first time, the angular distribution of the $^1S_0^{[8]}$ production is studied at QCD next-to-leading order. We find that the $^1S_0^{[8]}$ channel dominate the total cross section, while the $^1P_1^{[8]}$ one exhibit its importance in the angular distribution, which turns out to be downward going with respect to $\\mathrm{cos}\\theta$. This can be considered as the most distinct signal for the CO mechanism.

  5. Arthroscopic Treatment of Calcific Tendonitis

    OpenAIRE

    2014-01-01

    Calcific tendonitis, or calcifying tendonitis, is a common disorder characterized by the multifocal accumulation of basic calcium phosphate crystals within the rotator cuff tendons. In most cases, the multifocal calcifications are located 1 to 2 cm from the insertion of the supraspinatus tendon on the greater tuberosity. The initial treatment should be nonoperative including oral anti-inflammatory medication and physical therapy. If this is unsuccessful, arthroscopic debridement of the deposi...

  6. Arthroscopic Management of Shoulder Osteoarthritis

    OpenAIRE

    George, Michael S

    2008-01-01

    Osteoarthritis (OA) can cause severe pain and dysfunction of the shoulder. When conservative treatment fails and operative treatments such as shoulder arthroplasty and open glenohumeral resurfacing are not advisable, shoulder arthroscopy may be used to treat shoulder OA. Arthroscopic treatment of concomitant pathology in the shoulder including subacromial decompression, labral repair, capsular release, microfracture, and distal clavicle excision have been shown to yield good results when comb...

  7. Arthroscopic treatment of calcific tendonitis.

    Science.gov (United States)

    Barber, F Alan; Cowden, Courtney H

    2014-04-01

    Calcific tendonitis, or calcifying tendonitis, is a common disorder characterized by the multifocal accumulation of basic calcium phosphate crystals within the rotator cuff tendons. In most cases, the multifocal calcifications are located 1 to 2 cm from the insertion of the supraspinatus tendon on the greater tuberosity. The initial treatment should be nonoperative including oral anti-inflammatory medication and physical therapy. If this is unsuccessful, arthroscopic debridement of the deposit is effective. The technique used is an arthroscopic localization and debridement without associated subacromial decompression. The rotator cuff should be evaluated for partial- and full-thickness tears before and after the debridement of calcifications. If a partial- or full-thickness rotator cuff tendon tear is identified, it should be treated in a fashion consistent with those without associated calcium deposits. In our hands, tears 5 mm or greater in depth are repaired using a tendon-to-tendon or tendon-to-bone technique. Tears with less depth are debrided and then left alone. Arthroscopic debridement of calcific tendonitis can yield excellent functional results and high patient satisfaction.

  8. Precision tests of the J/psi from full lattice QCD: mass, leptonic width and radiative decay rate to eta_c

    CERN Document Server

    Davies, C T H; Dowdall, R J; Koponen, J; Follana, E; Hornbostel, K; Lepage, G P; McNeile, C

    2013-01-01

    We show results from calculations in full lattice QCD of the mass, leptonic width and radiative decay rate to eta_c of the J/psi meson. These provide few % tests of QCD. Another (1.5%) test comes from comparison of time-moments of the vector charmonium correlator with results derived from the experimental values of R(e+e- to hadrons) in the charm region.

  9. Observation of $\\eta_{c}(2S) \\to p \\bar p$ and search for $X(3872) \\to p \\bar p$ decays

    CERN Document Server

    Aaij, Roel

    2017-01-01

    The first observation of the decay $\\eta_{c}(2S) \\to p \\bar p$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0\\rm \\, fb^{-1}$ recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. The $\\eta_{c}(2S)$ resonance is produced in the decay $B^{+} \\to [c\\bar c] K^{+}$. The product of branching fractions normalised to that for the $J/\\psi$ intermediate state, ${\\cal R}_{\\eta_{c}(2S)}$, is measured to be \\begin{align*} {\\cal R}_{\\eta_{c}(2S)}\\equiv\\frac{{\\mathcal B}(B^{+} \\to \\eta_{c}(2S) K^{+}) \\times {\\mathcal B}(\\eta_{c}(2S) \\to p \\bar p)}{{\\mathcal B}(B^{+} \\to J/\\psi K^{+}) \\times {\\mathcal B}(J/\\psi\\to p \\bar p)} =~& (1.58 \\pm 0.33 \\pm 0.09)\\times 10^{-2}, \\end{align*} where the first uncertainty is statistical and the second systematic. No signals for the decays $B^{+} \\to X(3872) (\\to p \\bar p) K^{+}$ and $B^{+} \\to \\psi(3770) (\\to p \\bar p) K^{+}$ are seen, and the 95\\% confidence level upper limits on their relative branching ratios ar...

  10. Analyses of multiplicity distributions with \\eta_c and Bose-Einstein correlations at LHC by means of generalized Glauber-Lachs formula

    CERN Document Server

    Mizoguchi, Takuya

    2010-01-01

    Using the negative binomial distribution (NBD) and the generalized Glauber-Lachs (GGL) formula, we analyze the data on charged multiplicity distributions with pseudo-rapidity cutoffs \\eta_c at 0.9, 2.36, and 7 TeV by ALICE Collaboration and at 0.2, 0.54, and 0.9 TeV by UA5 Collaboration. We confirm that the KNO scaling holds among the multiplicity distributions with \\eta_c = 0.5 at \\sqrt{s} = 0.2\\sim2.36 TeV and estimate the energy dependence of a parameter 1/k in NBD and parameters 1/k and \\gamma (the ratio of the average value of the coherent hadrons to that of the chaotic hadrons) in the GGL formula. Using empirical formulae for the parameters 1/k and \\gamma in the GGL formula, we predict the multiplicity distributions with \\eta_c = 0.5 at 7 and 14 TeV. Data on the 2nd order Bose-Einstein correlations (BEC) at 0.9 TeV by ALICE Collaboration and 0.9 and 2.36 TeV by CMS Collaboration are also analyzed based on the GGL formula. Prediction for the 3rd order BEC at 0.9 and 2.36 TeV are presented. Moreover, the ...

  11. Evidence for \\eta_{c}(2S) in \\psi(3686) \\to \\gamma K_{S}^{0}K^{\\pm}\\pi^{\\mp}\\pi^{+}\\pi^{-}

    CERN Document Server

    Ablikim, M; Albayrak, O; Ambrose, D J; An, F F; An, Q; Bai, J Z; Ban, Y; Becker, J; Bennett, J V; Bertani, M; Bian, J M; Boger, E; Bondarenko, O; Boyko, I; Briere, R A; Bytev, V; Cai, X; Cakir, O; Calcaterra, A; Cao, G F; Cetin, S A; Chang, J F; Chelkov, G; Chen, G; Chen, H S; Chen, J C; Chen, M L; Chen, S J; Chen, X; Chen, Y B; Cheng, H P; Chu, Y P; Cronin-Hennessy, D; Dai, H L; Dai, J P; Dedovich, D; Deng, Z Y; Denig, A; Denysenko, I; Destefanis, M; Ding, W M; Ding, Y; Dong, L Y; Dong, M Y; Du, S X; Fang, J; Fang, S S; Fava, L; Feldbauer, F; Feng, C Q; Ferroli, R B; Fu, C D; Fu, J L; Gao, Y; Geng, C; Goetzen, K; Gong, W X; Gradl, W; Greco, M; Gu, M H; Gu, Y T; Guan, Y H; Guo, A Q; Guo, L B; Guo, Y P; Han, Y L; Harris, F A; He, K L; He, M; He, Z Y; Held, T; Heng, Y K; Hou, Z L; Hu, H M; Hu, T; Huang, G M; Huang, G S; Huang, J S; Huang, X T; Huang, Y P; Hussain, T; Ji, C S; Ji, Q; Ji, Q P; Ji, X B; Ji, X L; Jiang, L L; Jiang, X S; Jiao, J B; Jiao, Z; Jin, D P; Jin, S; Jing, F F; Kalantar-Nayestanaki, N; Kavatsyuk, M; Kuehn, W; Lai, W; Lange, J S; Li, C H; Li, Cheng; Li, Cui; Li, D M; Li, F; Li, G; Li, H B; Li, J C; Li, K; Li, Lei; Li, Q J; Li, S L; Li, W D; Li, W G; Li, X L; Li, X N; Li, X Q; Li, X R; Li, Z B; Liang, H; Liang, Y F; Liang, Y T; Liao, G R; Liao, X T; Liu, B J; Liu, C L; Liu, C X; Liu, C Y; Liu, F H; Liu, Fang; Liu, Feng; Liu, H; Liu, H H; Liu, H M; Liu, H W; Liu, J P; Liu, K Y; Liu, Kai; Liu, P L; Liu, Q; Liu, S B; Liu, X; Liu, Y B; Liu, Z A; Liu, Zhiqiang; Liu, Zhiqing; Loehner, H; Lu, G R; Lu, H J; Lu, J G; Lu, Q W; Lu, X R; Lu, Y P; Luo, C L; Luo, M X; Luo, T; Luo, X L; Lv, M; Ma, C L; Ma, F C; Ma, H L; Ma, Q M; Ma, S; Ma, T; Ma, X Y; Ma, Y; Maas, F E; Maggiora, M; Malik, Q A; Mao, Y J; Mao, Z P; Messchendorp, J G; Min, J; Min, T J; Mitchell, R E; Mo, X H; Morales, C Morales; Motzko, C; Muchnoi, N Yu; Muramatsu, H; Nefedov, Y; Nicholson, C; Nikolaev, I B; Ning, Z; Olsen, S L; Ouyang, Q; Pacetti, S; Park, J W; Pelizaeus, M; Peng, H P; Peters, K; Ping, J L; Ping, R G; Poling, R; Prencipe, E; Qi, M; Qian, S; Qiao, C F; Qin, X S; Qin, Y; Qin, Z H; Qiu, J F; Rashid, K H; Rong, G; Ruan, X D; Sarantsev, A; Schaefer, B D; Schulze, J; Shao, M; Shen, C P; Shen, X Y; Sheng, H Y; Shepherd, M R; Song, X Y; Spataro, S; Spruck, B; Sun, D H; Sun, G X; Sun, J F; Sun, S S; Sun, Y J; Sun, Y Z; Sun, Z J; Sun, Z T; Tang, C J; Tang, X; Tapan, I; Thorndike, E H; Toth, D; Ullrich, M; Varner, G S; Wang, B; Wang, B Q; Wang, D; Wang, D Y; Wang, K; Wang, L L; Wang, L S; Wang, M; Wang, P; Wang, P L; Wang, Q; Wang, Q J; Wang, S G; Wang, X L; Wang, Y D; Wang, Y F; Wang, Y Q; Wang, Z; Wang, Z G; Wang, Z Y; Wei, D H; Wei, J B; Weidenkaff, P; Wen, Q G; Wen, S P; Werner, M; Wiedner, U; Wu, L H; Wu, N; Wu, S X; Wu, W; Wu, Z; Xia, L G; Xiao, Z J; Xie, Y G; Xiu, Q L; Xu, G F; Xu, G M; Xu, H; Xu, Q J; Xu, X P; Xu, Z R; Xue, F; Xue, Z; Yan, L; Yan, W B; Yan, Y H; Yang, H X; Yang, Y; Yang, Y X; Ye, H; Ye, M; Ye, M H; Yu, B X; Yu, C X; Yu, H W; Yu, J S; Yu, S P; Yuan, C Z; Yuan, Y; Zafar, A A; Zallo, A; Zeng, Y; Zhang, B X; Zhang, B Y; Zhang, C; Zhang, C C; Zhang, D H; Zhang, H H; Zhang, H Y; Zhang, J Q; Zhang, J W; Zhang, J Y; Zhang, J Z; Zhang, S H; Zhang, X J; Zhang, X Y; Zhang, Y; Zhang, Y H; Zhang, Y S; Zhang, Z P; Zhang, Z Y; Zhao, G; Zhao, H S; Zhao, J W; Zhao, K X; Zhao, Lei; Zhao, Ling; Zhao, M G; Zhao, Q; Zhao, Q Z; Zhao, S J; Zhao, T C; Zhao, X H; Zhao, Y B; Zhao, Z G; Zhemchugov, A; Zheng, B; Zheng, J P; Zheng, Y H; Zhong, B; Zhong, J; Zhong, Z; Zhou, L; Zhou, X K; Zhou, X R; Zhu, C; Zhu, K; Zhu, K J; Zhu, S H; Zhu, X L; Zhu, Y C; Zhu, Y M; Zhu, Y S; Zhu, Z A; Zhuang, J; Zou, B S; Zou, J H

    2013-01-01

    We search for the M1 radiative transition \\psi(3686) \\to \\gamma\\eta_{c}(2S) by reconstructing the exclusive \\eta_{c}(2S) \\to K_{S}^{0}K^{\\pm}\\pi^{\\mp}\\pi^{+}\\pi^{-} decay using 1.06 \\times 10^8 \\psi(3686) events collected with the BESIII detector. The signal is observed with a statistical significance of greater than 4 standard deviations. The measured mass of the \\eta_{c}(2S) is 3646.9 \\pm 1.6(stat) \\pm 3.6(syst) MeV/c^2, and the width is 9.9 \\pm 4.8(stat) \\pm 2.9(syst) MeV/c^2. The product branching fraction is measured to be B(\\psi(3686) \\to \\gamma\\eta_{c}(2S)) \\times B(\\eta_{c}(2S) \\to K_{S}^{0}K^{\\pm}\\pi^{\\mp}\\pi^{+}\\pi^{-}) = (7.03 \\pm 2.10(stat) \\pm 0.70(syst)) \\times 10^{-6}. This measurement complements a previous BESIII measurement of \\psi(3686) \\to \\gamma\\eta_{c}(2S) with \\eta_{c}(2S) \\to K_{S}^{0} K^{\\pm}\\pi^{\\mp} and K^{+}K^{-}\\pi^{0}.

  12. Arthroscopic Transosseous Bony Bankart Repair

    Science.gov (United States)

    Driscoll, Matthew D.; Burns, Joseph P.; Snyder, Stephen J.

    2015-01-01

    Restoration of glenoid bony integrity is critical to minimizing the risk of recurrence and re-creating normal kinematics in the setting of anterior glenohumeral instability. We present an arthroscopic suture anchor–based technique for treating large bony Bankart fractures in which the fragment is secured to the intact glenoid using mattress sutures placed through the bony fragment and augmented with soft-tissue repair proximal and distal to the bony lesion. This straightforward technique has led to excellent fragment reduction and good outcomes in our experience. PMID:25973373

  13. Arthroscopic resection of wrist ganglia.

    Science.gov (United States)

    Mathoulin, C; Hoyos, A; Pelaez, J

    2004-12-01

    The arthroscopic resection of synovial cysts of the wrist is a simple technique which is comfortable for the patient. We report on a series of 96 patients with dorsal synovial cysts (75 women, 21 men). All patients had undergone preliminary treatment which had been unsuccessful. We operated on 32 patients with a volar cyst (27 women, five men). All the patients were operated on as outpatients under local regional anaesthesia. For the dorsal cysts, after having precisely located the cyst, it is then resected after having inserted a shaver directly through the wall of the cyst starting with the capsule. For the volar cysts the arthroscope was inserted through a 3-4 portal and the shaver was inserted through a 1-2 radiocarpal portal. In all cases, there was no immobilisation and a range of motion was started the same day. For the dorsal cysts, our average follow-up was 34 months (range 12-46 months). There were no complications. We had four recurrences. For the palmar cysts, our average follow-up was 26 months (range 12-39 months). There have been no recurrences to date.

  14. Arthroscopic findings after shoulder dislocation

    Directory of Open Access Journals (Sweden)

    Medenica Ivica

    2009-01-01

    Full Text Available Background/Aim. Recurrent instability of the shoulder joint is frequently difficult to differentiate from diseased or injured rotator cuff or tendon of the forearm flexor (m. biceps brachii. Shoulder joint arthroscopy has been only recently introduced into instable shoulder joint lesion examination. The aim of this study was to present and analyze an arthroscopic finding on instable shoulder joint in order to determine causes and mechanisms of instability, as well as principles of surgical treatment. Methods. Arthroscopy of the shoulder joint was performed in 158 patients with at least one documented shoulder joint dislocation. These patients were divided into two groups. The group I included the patients with one to three dislocations, while the group II those with more than three dislocations. Preoperative diagnosis was based on anamnestic data and clinical examination using specific tests, and on the diagnosis of shoulder joint using radiography or computed tomography. Results. Out of the total number of the patients 138 (87.34% had injury of the anterior patellar brim, 119 (75.32% had failure of the anterior capsule, 126 (79.75% had compressive cartilage injury of the posterior part of the head of the upper arm bone (Hill-Sachs lesion, 102 (64.56% had insufficiency of glenohumeral tendon, 11 (6.96 had complete cut of the rotator cuff, 23 (14.56% had injury of the posterior patellar brim, 12 (7.59% had injury of the upper anterior-posterior patellar brim (SLAP. Conclusion. According to the obtained results it could be concluded that there is no a unique injury that leads to shoulder joint instability. It is necessary to point out to the significance of anamnesis and clinical examination in making diagnosis. Arthroscopic diagnostics is indicated in clinically unreliable findings as an additional method for determining operative treatment.

  15. The Wiese Knot: A Sliding-Locking Arthroscopic Knot.

    Science.gov (United States)

    Parada, Stephen A; Shaw, K Aaron; Eichinger, Josef K; Boykin, Nathan T; Gloystein, David M; Ledford, Cheryl L; Arrington, Edward D; Wiese, Paul T

    2017-02-01

    Despite recent advances in knotless suture devices for arthroscopic surgical procedures, arthroscopic knot tying remains a necessary skill for the arthroscopic surgeon. Successful completion of arthroscopic knot tying relies on a thorough understanding of the chosen technique, proper suture management, adequate knot tensioning and securement, and the ability to reproducibly create the knot. We introduce a technique that serves as both a sliding and locking knot while being simple to master and reproducible to perform.

  16. Arthroscopic Quadriceps Tendon Repair: Two Case Reports

    Directory of Open Access Journals (Sweden)

    Hidetomo Saito

    2015-01-01

    Full Text Available Recently, although some studies of open repair of the tendon of the quadriceps femoris have been published, there have been no reports in the literature on primary arthroscopic repair. In our present study, we present two cases of quadriceps tendon injury arthroscopically repaired with excellent results. Case 1 involved a 68-year-old man who was injured while shifting his weight to prevent a fall. MRI showed complete rupture at the insertion of the patella of the quadriceps tendon. The rupture was arthroscopically repaired using both suture anchor and pull-out suture fixation methods via bone tunnels (hereafter, pull-out fixation. Two years after surgery, retearing was not observed on MRI and both Japan Orthopedic Association (JOA Knee and Lysholm scores had recovered to 100. Case 2 involved a 50-year-old man who was also injured when shifting his weight to prevent a fall. MRI showed incomplete superficial rupture at the insertion of the patella of the quadriceps tendon. The rupture was arthroscopically repaired using pull-out fixation of six strand sutures. One year after surgery, MRI revealed a healed tendon and his JOA and Lysholm scores were 95 and 100, respectively. Thus, arthroscopic repair may be a useful surgical method for repairing quadriceps tendon injury.

  17. Arthroscopic quadriceps tendon repair: two case reports.

    Science.gov (United States)

    Saito, Hidetomo; Shimada, Yoichi; Yamamura, Toshiaki; Yamada, Shin; Sato, Takahiro; Nozaka, Koji; Kijima, Hiroaki; Saito, Kimio

    2015-01-01

    Recently, although some studies of open repair of the tendon of the quadriceps femoris have been published, there have been no reports in the literature on primary arthroscopic repair. In our present study, we present two cases of quadriceps tendon injury arthroscopically repaired with excellent results. Case 1 involved a 68-year-old man who was injured while shifting his weight to prevent a fall. MRI showed complete rupture at the insertion of the patella of the quadriceps tendon. The rupture was arthroscopically repaired using both suture anchor and pull-out suture fixation methods via bone tunnels (hereafter, pull-out fixation). Two years after surgery, retearing was not observed on MRI and both Japan Orthopedic Association (JOA) Knee and Lysholm scores had recovered to 100. Case 2 involved a 50-year-old man who was also injured when shifting his weight to prevent a fall. MRI showed incomplete superficial rupture at the insertion of the patella of the quadriceps tendon. The rupture was arthroscopically repaired using pull-out fixation of six strand sutures. One year after surgery, MRI revealed a healed tendon and his JOA and Lysholm scores were 95 and 100, respectively. Thus, arthroscopic repair may be a useful surgical method for repairing quadriceps tendon injury.

  18. Arthroscopic treatment of iliotibial band syndrome.

    Science.gov (United States)

    Cowden, Courtney H; Barber, F Alan

    2014-02-01

    Lateral knee pain in athletes is commonly seen in the sports medicine clinic, and the diagnosis of iliotibial band (ITB) syndrome is frequently made. Although conservative management including rest from activity, equipment modification, oral nonsteroidal anti-inflammatory drug use, and physical therapy is the mainstay of treatment initially, refractory cases do exist. Multiple surgical techniques have been described including an arthroscopic technique. Arthroscopic release of the ITB attachment to the lateral femoral epicondyle and resection of the lateral synovial recess for recalcitrant ITB syndrome comprise a valid option that can have a good outcome. This option avoids the complications associated with open surgery and allows for a complete arthroscopic knee examination. Division or lengthening of the ITB band itself is not a necessary step in this technique.

  19. ORV Arthroscopic Transosseous Bony Bankart Repair.

    Science.gov (United States)

    Myer, Daniel M; Caldwell, Paul E

    2012-12-01

    The arthroscopic treatment of the "bony Bankart lesion" continues to evolve. We present a novel technique that we developed at Orthopaedic Research of Virginia, the "transosseous bony Bankart repair," which incorporates several essential concepts to provide for optimal healing and rehabilitation. We promote arthroscopic repair emphasizing bone preservation, a fracture interface without interposing sutures, the ability to reduce capsular volume, and multiple points of stable glenolabral fixation. Our technique positions suture anchors within the subchondral bone of the intact glenoid to allow for an anatomic reduction of the bony fragment. By use of an arthroscopic drill, spinal needle, and nitinol suture passing wire, the sutures are passed in a retrograde fashion through the bony Bankart fragment and anterior capsule in a mattress configuration. Additional inferior and superior anchors are placed to further provide stability and reduce capsular volume. While maximizing fracture surface area and optimizing bony healing, the end result is an anatomic reduction of the bony fragment and the glenoid articular surface.

  20. Arthroscopic Findings in Anterior Shoulder Instability

    Science.gov (United States)

    Hantes, Michael; Raoulis, Vasilios

    2017-01-01

    Background: In the last years, basic research and arthroscopic surgery, have improved our understanding of shoulder anatomy and pathology. It is a fact that arthroscopic treatment of shoulder instability has evolved considerably over the past decades. The aim of this paper is to present the variety of pathologies that should be identified and treated during shoulder arthroscopy when dealing with anterior shoulder instability cases. Methods: A review of the current literature regarding arthroscopic shoulder anatomy, anatomic variants, and arthroscopic findings in anterior shoulder instability, is presented. In addition, correlation of arthroscopic findings with physical examination and advanced imaging (CT and MRI) in order to improve our understanding in anterior shoulder instability pathology is discussed. Results: Shoulder instability represents a broad spectrum of disease and a thorough understanding of the pathoanatomy is the key for a successful treatment of the unstable shoulder. Patients can have a variety of pathologies concomitant with a traditional Bankart lesion, such as injuries of the glenoid (bony Bankart), injuries of the glenoid labrum, superiorly (SLAP) or anteroinferiorly (e.g. anterior labroligamentous periosteal sleeve avulsion, and Perthes), capsular lesions (humeral avulsion of the glenohumeral ligament), and accompanying osseous-cartilage lesions (Hill-Sachs, glenolabral articular disruption). Shoulder arthroscopy allows for a detailed visualization and a dynamic examination of all anatomic structures, identification of pathologic findings, and treatment of all concomitant lesions. Conclusion: Surgeons must be well prepared and understanding the normal anatomy of the glenohumeral joint, including its anatomic variants to seek for the possible pathologic lesions in anterior shoulder instability during shoulder arthroscopy. Patient selection criteria, improved surgical techniques, and implants available have contributed to the enhancement of

  1. [Comprehensive arthroscopic management of shoulder osteoarthritis].

    Science.gov (United States)

    Ríos, D; Martetschlager, F; Millett, P J

    2012-01-01

    Shoulder osteoarthritis has been considered as a cause of severe pain and loss of shoulder function. Many patients with shoulder osteoarthritis are young and have demanding activities, which leads to questioning the choice of arthroplasty. This is why in this paper we describe the comprehensive arthroscopic management (CAM) that combines arthroscopic debridement, capsular release, osteoplasty of the lower humeral head, and auxiliary nerve decompression. In our experience this technique has shown short-term promising results as it decreases pain and allows patients to resume high performance demanding activities.

  2. Arthroscopic release of the deltoid contracture

    Institute of Scientific and Technical Information of China (English)

    WANG Hai-jun; YAN Hui; CUI Guo-qing; AO Ying-fang

    2010-01-01

    Background The deltoid contracture is an uncommon disorder. Long-standing contracture produces winged scapula,abduction and extension contracture of the shoulder. Surgical release has been considered the treatment of choice.However, the method of approach has not been well defined. The purpose of this study was to evaluate the results of arthroscopic release of the deltoid contracture.Methods A retrospective study was undertaken to evaluate the results of arthroscopic release in six patients (seven shoulders) who had a contracture of the deltoid muscle. All patients had arthroscopic release. The abduction-contracture and horizontal-adduction angle was measured after operation. The average duration of follow-up was 16 months (range,from 4 to 41 months).Results The preoperative abduction contracture resolved completely in three shoulders. Two had a residual abduction contracture of 5° to 7° and two had a poor result with 15° abduction-contracture angle. The average postoperative abduction-contracture angle was 6° (range, 0° to 15°). The preoperative horizontal-adduction contracture was corrected,permitting at least 130° of adduction, in five shoulders. The remaining two shoulders had a postoperative horizontal-adduction angle of 120° and 110°. Overall, the average postoperative horizontai-adduction angle was 130°(range, 110° to 140°).Conclusion Arthroscopic release is an effective surgical technique to treat the deltoid contracture.

  3. Arthroscopic-assisted treatment of coronoid fractures.

    Science.gov (United States)

    Adams, Julie E; Merten, Sheri M; Steinmann, Scott P

    2007-10-01

    Little information exists regarding arthroscopic treatment of coronoid fractures; this study reports outcomes in a series of patients. Forty-one coronoid fractures were identified by retrospective chart review; 7 were treated arthroscopically; 6 with >12 months of available follow-up. Regan-Morrey fracture types were II (n = 4) and III (n = 3). The age of the patients averaged 37 years; the mechanism of injury was a fall in 6 patients and a motocross accident in 1 patient. Fracture fixation included: plate-and-screws following arthroscopic reduction (1); screws (2) and threaded Steinmann pins (2); 2 fractures were debrided. Three patients had immediate (2) or delayed (1) lateral ulnar collateral ligament repair. Follow-up averaged 31.8 months. The range of motion averaged 9 degrees to 133 degrees in flexion-extension and 87 degrees/79 degrees in prono-supination. Mayo Elbow Performance scores were 100 in 5 of 6 patients and unavailable in 1 patient. Complications included asymptomatic heterotopic ossification (1) and delayed ulnar neuropathy (1). In our series of coronoid fractures treated with arthroscopic means, all patients had a functional, pain-free result. All patients returned to preoperative avocations and occupations. Level IV, therapeutic case series.

  4. Open Versus Arthroscopic Tennis Elbow Release

    Science.gov (United States)

    Leiter, Jeff; Clark, Tod; McRae, Sheila; Dubberley, James; MacDonald, Peter B.

    2016-01-01

    Objectives: The primary objective of this study was to determine if quality of life and function are different following arthroscopic versus open tennis elbow release surgery. Based on retrospective studies, both approaches have been found to be beneficial, but no prospective randomized comparison has been conducted to date. Methods: Following a minimum six-months of conservative treatment, seventy-one patients (>16 yrs old) were randomized intraoperatively to undergo either arthroscopic or open lateral release. Outcome measures were the Disabilities of the Arm, Shoulder and Hand questionnaire (DASH), a 5-question VAS Pain Scale, and grip strength. Study assessments took place pre-, and 6-week, 3-, 6-, and 12-months post-surgery. Comparisons between groups and within groups over time were conducted using repeated measures ANOVA. A minimal clinically significant difference for the DASH had been previously identified as 15 points, and was used to compare groups as well at 12-months post-operative (Beaton et al. 2001). Results: Fifteen women and 19 men underwent the open procedure with a mean age of 47.1 years (6.7) and 13 women and 21 men were in the arthroscopic group with a mean age of 45.0 (6.9). No pre-surgery differences were found between groups based on age, sex, DASH or VAS scores. Both groups demonstrated a significant improvement in subjective measures and grip strength by 12-months post-surgery, and no significant differences were found between groups at any time point. The DASH, our primary outcome, decreased from a mean (SD) of 47.5 (14.5) pre-surgery to 21.9 (21.8) at 12-months post-surgery in the Open group and from 52.7 (16.0) to 22.6 (21.1) in the Arthroscopic group. VAS-pain scores (%) decreased in the Open group from 62.5 (17.2) pre-operatively to 30.0 (26.5) at 12-months. In the arthroscopic group, scores decreased from 63.7 (15.9) to 26.2 (24.6). Grip strength (kg) increased on the affected side from 23.6 (14.9) to 29.3 (16.3) and 21.4 (15.4) to

  5. Predictions for $\\eta_c \\to \\eta \\pi^+ \\pi^-$ producing $f_0(500)$, $f_0(980)$ and $a_0(980)$

    CERN Document Server

    Debastiani, V R; Xie, Ju-Jun; Oset, E

    2016-01-01

    We perform calculations for the $\\eta_c \\to \\eta \\pi^+ \\pi^-$ decay using elements of SU(3) symmetry to see the weight of different trios of pseudoscalars produced in this decay, prior to the final state interaction of the mesons. After that, the interaction of pairs of mesons, leading finally to $\\eta \\pi^+ \\pi^-$, is done using the chiral unitary approach. We evaluate the d$\\Gamma$/d$M_{\\pi^+ \\pi^-}$ and d$\\Gamma$/d$M_{\\pi^+ \\eta}$ mass distributions and find large and clean signals for $f_0(500)$, $f_0(980)$ and $a_0(980)$ excitation. The reaction is similar to the $\\chi_{c1} \\to \\eta \\pi^+ \\pi^-$, which has been recently measured at BESIII and its implementation and comparison with these predictions will be very valuable to shed light on the nature of the low mass scalar mesons.

  6. Stem cell procedures in arthroscopic surgery.

    Science.gov (United States)

    Dyrna, Felix; Herbst, Elmar; Hoberman, Alexander; Imhoff, Andreas B; Schmitt, Andreas

    2016-07-13

    The stem cell as the building block necessary for tissue reparation and homeostasis plays a major role in regenerative medicine. Their unique property of being pluripotent, able to control immune process and even secrete a whole army of anabolic mediators, draws interest. While new arthroscopic procedures and techniques involving stem cells have been established over the last decade with improved outcomes, failures and dissatisfaction still occur. Therefore, there is increasing interest in ways to improve the healing response. MSCs are particularly promising for this task given their regenerative potential. While methods of isolating those cells are no longer poses a challenge, the best way of application is not clear. Several experiments in the realm of basic science and animal models have recently been published, addressing this issue, yet the application in clinical practice has lagged. This review provides an overview addressing the current standing of MSCs in the field of arthroscopic surgery.

  7. Arthroscopic anatomy of the subdeltoid space

    Directory of Open Access Journals (Sweden)

    Michael J. Salata

    2013-09-01

    Full Text Available From the first shoulder arthroscopy performed on a cadaver in 1931, shoulder arthroscopy has grown tremendously in its ability to diagnose and treat pathologic conditions about the shoulder. Despite improvements in arthroscopic techniques and instrumentation, it is only recently that arthroscopists have begun to explore precise anatomical structures within the subdeltoid space. By way of a thorough bursectomy of the subdeltoid region, meticulous hemostasis, and the reciprocal use of posterior and lateral viewing portals, one can identify a myriad of pertinent ligamentous, musculotendinous, osseous, and neurovascular structures. For the purposes of this review, the subdeltoid space has been compartmentalized into lateral, medial, anterior, and posterior regions. Being able to identify pertinent structures in the subdeltoid space will provide shoulder arthroscopists with the requisite foundation in core anatomy that will be required for challenging procedures such as arthroscopic subscapularis mobilization and repair, biceps tenodesis, subcoracoid decompression, suprascapular nerve decompression, quadrangular space decompression and repair of massive rotator cuff tears.

  8. Arthroscopic releases for arthrofibrosis of the knee.

    Science.gov (United States)

    Chen, Michael R; Dragoo, Jason L

    2011-11-01

    Intra-articular inflammation or fibrosis may lead to decreased soft-tissue and capsular compliance, which may result in pain or loss of motion within the knee. Etiology of intra-articular fibrosis may include isolated anterior interval scarring and posterior capsular contracture, as well as fibrosis that involves the suprapatellar pouch or arthrofibrosis that involves the entire synovial space. Initial nonsurgical management, including compression, elevation, and physical therapy, can decrease knee pain and inflammation and maintain range of motion. Surgical management is indicated in the patient who fails conservative treatment. Surgical options include arthroscopic releases of the anterior interval, posterior capsule, and peripatellar and suprapatellar regions. Recent advances in arthroscopic technique have led to improved outcomes in patients with intra-articular fibrosis of the knee.

  9. Arthroscopic capsular release for refractory shoulder stiffness.

    Science.gov (United States)

    Fernandes, Marcos Rassi

    2013-01-01

    To evaluate the results of the arthroscopic treatment of refractory adhesive capsulitis of the shoulder with two to nine years of follow-up, comparing the pre- and postoperative range of motion. This was an observational study (case series) of 18 patients who underwent arthroscopic capsular release for refractory shoulder stiffness. The mean age was of 53.6 years (range: 39 to 68), with female predominance (77.77%) and nine cases left shoulders. There were 6 primary (33.33%) and 12 secondary cases (66.67%). Arthroscopic capsular release was performed in all patients after a mean of 9.33 months of physical therapy (range: 6 to 20 months) with a minimum follow-up of two years (range: 26 to 110 months). The mean active and passive forward flexion, external rotation and internal rotation increased from 94.4°/103.3°, 11.9°/21.9°, and S1/L5 vertebral level, respectively, to 151.1°/153.8°, 57.2°/64.4°, and T12/T10 vertebral level, respectively. There was a significant difference between the pre- and postoperative range of motion (p < 0.001). According to the Constant-Murley functional score (ROM), the value increased from 14 (preoperative mean) to 30 points (postoperative mean). Postoperatively, all patients showed diminished shoulder pain (none or mild/15 or 10 points in the Constant-Murley score). Arthroscopic treatment is an effective treatment for refractory shoulder stiffness. Copyright © 2013 Elsevier Editora Ltda. All rights reserved.

  10. Arthroscopic Correlates of Subtle Syndesmotic Injury.

    Science.gov (United States)

    Guyton, Gregory P; DeFontes, Kenneth; Barr, Cameron R; Parks, Brent G; Camire, Lyn M

    2017-05-01

    Arthroscopic criteria for identifying syndesmotic disruption have been variable and subjective. We aimed to quantify syndesmotic disruption arthroscopically using a standardized measurement device. Ten cadaveric lower extremity specimens were tested in intact state and after serial sectioning of the syndesmotic structures (anterior inferior tibiofibular ligament [AiTFL], interosseous ligament [IOL], posterior inferior tibiofibular ligament [PiTFL], deltoid). Diagnostic ankle arthroscopy was performed after each sectioning. Manual external rotational stress was applied across the tibiofibular joint. Custom-manufactured spherical balls of increasing diameter mounted on the end of an arthroscopic probe were inserted into the tibiofibular space to determine the degree of diastasis of the tibiofibular joint under each condition. A ball 3 mm in diameter reliably indicated a high likelihood of combined disruption of the AiTFL and IOL. Disruption of the AiTFL alone could not be reliably distinguished from the intact state. Use of a spherical probe placed into the tibiofibular space during manual external rotation of the ankle provided an objective measure of syndesmotic instability. Passage of a 2.5-mm probe indicated some disruption of the syndesmosis, but the test had poor negative predictive value. Passage of a 3.0-mm spherical probe indicated very high likelihood of disruption of both the AiTFL and the IOL. The findings challenge the previously used but unsupported standard of a 2-mm diastasis of the tibiofibular articulation for diagnosis of subtle syndesmotic instability.

  11. Multimodal pain management after arthroscopic surgery

    DEFF Research Database (Denmark)

    Rasmussen, Sten

    Multimodal Pain Management after Arthroscopic Surgery By Sten Rasmussen, M.D. The thesis is based on four randomized controlled trials. The main hypothesis was that multimodal pain treatment provides faster recovery after arthroscopic surgery. NSAID was tested against placebo after knee arthrosco...... after knee and ankle arthroscopy with the use of oral NSAIDs combined with bupivacaine plus morphine or combined with bupivacaine, morphine plus steroid....... ankle arthroscopy. Oral NSAID reduced time to work from 17 to 14 days after knee arthroscopy. Intra-articular treatment with bupivacaine plus morphine and bupivacaine plus morphine plus steroid after arthroscopic knee meniscectomy reduced time to work from 10 to 5 to 3 days. Intraarticular treatment...... with bupivacaine plus morphine and bupivacaine plus morphine plus steroid after diagnostic knee arthroscopy reduced time to work from 10 to 5 to 2 days. Additional analysis revealed that the surgical trauma and the use of tourniquet influenced recovery. The thesis proves a reduction in the time to return to work...

  12. Subtalar arthroscopic arthrodesis: Technique and outcomes.

    Science.gov (United States)

    Vilá-Rico, Jesús; Mellado-Romero, María Angeles; Bravo-Giménez, Beatriz; Jiménez-Díaz, Verónica; Ojeda-Thies, Cristina

    2017-03-01

    The goal of this study was to describe the surgical technique and our results with arthroscopic posterior subtalar arthrodesis. Retrospective case series of 65 patients (38 men and 27 women) averaging 50 years of age (range 21-72 years) undergoing posterior arthroscopic subtalar arthrodesis using one or two percutaneous 6.5-7.3mm screws between May 2004 and February 2011, with a mean follow-up of 57.5 months (range 24-105 months). We achieved a 95.4% union rate after an average of 12.1 weeks (range 9 to 16 weeks). 12.3% of patients suffered complications, including superficial infection, nonunion and need for hardware removal. The AOFAS score improved from 51.5 points (19-61 points) preoperatively to 81.9 points (60-94 points) in the postoperative period. We describe the surgical technique for arthroscopic subtalar arthrodesis, which as proven to be a safe and reliable technique in our experience, with consistent improvements in AOFAS scores. Copyright © 2015 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.

  13. Arthroscopic management of painful first metatarsophalangeal joint

    Directory of Open Access Journals (Sweden)

    Debnath U

    2005-01-01

    Full Text Available Background: Arthroscopy of the great toe MTP joint has been practiced with favourable outcomes. A range of indications have been described ranging from synovitis to osteochondral defects. The purpose of the present study was to describe our technique and to assess the functional outcome following arthroscopic management of Hallux MTP disorders using AOFAS scoring system. Methods: We describe the technique of Hallux MTP joint arthroscopy in twenty patients. Indications included hallux rigidus with osteophytes, chondromalacia, OCDs, loose bodies, arthrofibrosis, synovitis, tophaceous gout arthritis and intra-articular fractures of MTP joint. All patients had been evaluated clinically and radiologically with record of their AOFAS scores pre-operatively. At a minimum follow-up of two years the clinical assessment was carried out with AOFAS scores. Results: The mean pre-operative and post-operative AOFAS score were 47 (range 10-78 and 97 (87 -100 respectively. The patient with intra-articular fracture had an excellent outcome following arthroscopic reduction of the fracture. Conclusion: Arthroscopic management of painful hallucial MTP joint is a specialized technique, which if performed for the right indications, gives a favourable outcome with minimal complications.

  14. Arthroscopic Decompression for a Giant Meniscal Cyst.

    Science.gov (United States)

    Ohishi, Tsuyoshi; Suzuki, Daisuke; Matsuyama, Yukihiro

    2016-01-01

    The authors report the case of a giant medial meniscal cyst in an osteoarthritic knee of an 82-year-old woman that was successfully treated with only arthroscopic cyst decompression. The patient noticed a painful mass on the medial side of the right knee that had been gradually growing for 5 years. Magnetic resonance imaging showed an encapsulated large medial cystic mass measuring 80×65×40 mm that was adjacent to the medial meniscus. An accompanying horizontal tear was also detected in the middle and posterior segments of the meniscus. The medial meniscus was resected up to the capsular attachment to create bidirectional flow between the joint and the cyst with arthroscopic surgery. Magnetic resonance imaging performed 14 months postoperatively showed that the cyst had completely disappeared, and no recurrence was observed during a 2-year follow-up period. An excellent result could be obtained by performing limited meniscectomy to create a channel leading to the meniscal cyst, even though the cyst was large. Among previously reported cases of meniscal cysts, this case is the largest to be treated arthroscopically without open excision.

  15. Decreased range of motion following arthroscopic remplissage.

    Science.gov (United States)

    Deutsch, Allen A; Kroll, Derek G

    2008-05-01

    The Hill-Sachs lesion is an impression fracture of the posterolateral margin of the humeral head that commonly results from impaction with the anterior glenoid rim during subluxation or dislocation of the shoulder. This bony defect has been implicated as an etiology of recurrent instability of the shoulder. The "remplissage" technique described by Wolf is an arthroscopic method of filling the Hill-Sachs defect via infraspinatus tenodesis and posterior capsulodesis. The purpose of this technique is to prevent recurrent instability by making the Hill-Sachs lesion extra-articular thereby eliminating engagement of the defect with the anterior glenoid rim. In addition, the infraspinatus tenodesis acts as a checkrein by preventing anterior translation of the humeral head. We report a complication of this recently described technique. A 28-year-old man who failed conservative management underwent an arthroscopic Bankart repair with a concomitant remplissage procedure. Two years postoperatively, the patient continued to struggle with the loss of external rotation. Conservative management with physical therapy and range of motion exercises failed. The patient was treated with an arthroscopic release of the tenodesed infraspinatus, which improved external rotation by 202 in circle intraoperatively. At 6 months postoperatively, the patient has maintained a significant increase external rotation. We hypothesize that the loss in external rotation occurred as a result of the tenodesis of the infraspinatus and posterior capsule into the Hill-Sachs defect. The tenodesed cuff and capsular tissue acted as a mechanical block to external rotation of the shoulder.

  16. Subtalar joint arthrodesis: open and arthroscopic indications and surgical techniques.

    Science.gov (United States)

    Roster, Brent; Kreulen, Christopher; Giza, Eric

    2015-06-01

    Arthrodesis of the subtalar joint can be performed via both open and arthroscopic techniques. Both groups of procedures have their own relative indications and contraindications, as well as complications. Good results have been reported for both general procedures, although some studies suggest superiority with arthroscopic subtalar arthrodesis. Copyright © 2015 Elsevier Inc. All rights reserved.

  17. Arthroscopic Assessment and Treatment of Dancers' Knee Injuries.

    Science.gov (United States)

    Silver, Daniel M.; Campbell, Pat

    1985-01-01

    Arthroscopic examination of 16 dancers with dance-related knee injuries which defied conservative treatment showed 15 meniscal tears and 4 cases of chondromalacia patellae. Partial arthroscopic meniscectomy was used to treat the tears. The results were excellent, with 13 of the 16 returning to preoperative levels of dance activity. (MT)

  18. Arthroscopic meniscal allograft transplantation without bone plugs.

    Science.gov (United States)

    Alentorn-Geli, Eduard; Seijas Vázquez, Roberto; García Balletbó, Montserrat; Álvarez Díaz, Pedro; Steinbacher, Gilbert; Cuscó Segarra, Xavier; Rius Vilarrubia, Marta; Cugat Bertomeu, Ramón

    2011-02-01

    Partial or total meniscectomy are common procedures performed at Orthopedic Surgery departments. Despite providing a great relief of pain, it has been related to early onset knee osteoarthritis. Meniscal allograft transplantation has been proposed as an alternative to meniscectomy. The purposes of this study were to describe an arthroscopic meniscal allograft transplantation without bone plugs technique and to report the preliminary results. All meniscal allograft transplantations performed between 2001 and 2006 were approached for eligibility, and a total of 35 patients (involving 37 menisci) were finally engaged in the study. Patients were excluded if they had ipsilateral knee ligament reconstruction or cartilage repair surgery before meniscal transplantation or other knee surgeries after the meniscal transplantation. Scores on Lysholm, Subjective IKDC Form, and Visual Analogue Scale (VAS) scale for pain were obtained at a mean follow-up of 38.6 months and compared to pre-operative data. Data on chondral lesions were obtained during the arthroscopic procedure and through imaging (radiographs and MRI) studies pre-operatively. Two graft failures out of 59 transplants (3.4%) were found. Daily life accidents were responsible for all graft failures. Significant improvements for Lysholm, Subjective IKDC Form, and VAS for pain scores following the meniscal allograft transplantation were found (P lesion, there was no significant interactions for Lysholm (n.s.), Subjective IKDC Form (n.s.), and VAS for pain scores (n.s.). This study demonstrated that an arthroscopic meniscal allograft transplantation without bone plugs improved knee function and symptoms after a total meniscectomy. Improvements were observed independently of the degree of chondral lesion.

  19. Arthroscopic treatment for chronic lateral epicondylitis

    Directory of Open Access Journals (Sweden)

    Bernardo Barcellos Terra

    2015-08-01

    Full Text Available ABSTRACTOBJECTIVE: To report the clinical and functional results from arthroscopic release of the short radial extensor of the carpus (SREC in patients with chronic lateral epicondylitis that was refractory to conservative treatment. METHODS: Over the period from January 2012 to November 2013, 15 patients underwent arthroscopic treatment. The surgical technique used was the one described by Romeo and Cohen, based on anatomical studies on cadavers. The inclusion criteria were that the patients needed to present lateral epicondylitis and that conservative treatment (analgesics, anti-inflammatory agents, corticoid infiltration or physiotherapy had failed over a period of more than six months. The patients were evaluated based on the elbow functional score of the Mayo Clinic, Nirschl's staging system and a visual analog scale (VAS for pain. RESULTS: A total of 15 patients (9 men and 6 women were included. The mean Mayo elbow functional score after the operation was 95 (ranging from 90 to 100. The pain VAS improved from a mean of 9.2 before the operation to 0.64 after the operation. On Nirschl's scale, the patients presented an improvement from a mean of 6.5 before the operation to approximately one. There were significant differences from before to after the surgery for the three functional scores used ( p 0.05. CONCLUSION: Arthroscopic treatment for lateral epicondylitis was shown to be a safe and effective therapeutic option when appropriately indicated and performed, in refractory cases of chronic lateral epicondylitis. It also allowed excellent viewing of the joint space for diagnosing and treating associated pathological conditions, with a minimally invasive procedure.

  20. Chronic ankle instability: Arthroscopic anatomical repair.

    Science.gov (United States)

    Arroyo-Hernández, M; Mellado-Romero, M; Páramo-Díaz, P; García-Lamas, L; Vilà-Rico, J

    Ankle sprains are one of the most common injuries. Despite appropriate conservative treatment, approximately 20-40% of patients continue to have chronic ankle instability and pain. In 75-80% of cases there is an isolated rupture of the anterior talofibular ligament. A retrospective observational study was conducted on 21 patients surgically treated for chronic ankle instability by means of an arthroscopic anatomical repair, between May 2012 and January 2013. There were 15 men and 6 women, with a mean age of 30.43 years (range 18-48). The mean follow-up was 29 months (range 25-33). All patients were treated by arthroscopic anatomical repair of anterior talofibular ligament. Four (19%) patients were found to have varus hindfoot deformity. Associated injuries were present in 13 (62%) patients. There were 6 cases of osteochondral lesions, 3 cases of posterior ankle impingement syndrome, and 6 cases of peroneal pathology. All these injuries were surgically treated in the same surgical time. A clinical-functional study was performed using the American Orthopaedic Foot and Ankle Society (AOFAS) score. The mean score before surgery was 66.12 (range 60-71), and after surgery it increased up to a mean of 96.95 (range 90-100). All patients were able to return to their previous sport activity within a mean of 21.5 weeks (range 17-28). Complications were found in 3 (14%) patients. Arthroscopic anatomical ligament repair technique has excellent clinical-functional results with a low percentage of complications, and enables patients to return to their previous sport activity within a short period of time. Copyright © 2016 SECOT. Publicado por Elsevier España, S.L.U. All rights reserved.

  1. Arthroscopic Posterior Subtalar Arthrodesis: Surgical Technique

    Science.gov (United States)

    Vilá y Rico, Jesús; Ojeda Thies, Cristina; Parra Sanchez, Guillermo

    2016-01-01

    Surgical fusion of the subtalar joint is a procedure indicated to alleviate pain of subtalar origin, such as in post-traumatic osteoarthritis, adult-acquired flatfoot deformity, and other disorders. Open subtalar arthrodesis has been performed with predictable results, but concerns exist regarding injury to proprioception and local vascularity due to wide surgical dissection. Minimally invasive techniques try to improve results by avoiding these issues but have a reputation for being technically demanding. We describe the surgical technique for arthroscopic subtalar arthrodesis, which has proved to be a safe and reliable technique in our experience, with consistent improvements in American Orthopaedic Foot & Ankle Society scores. PMID:27073783

  2. Arthroscopic Posterior Subtalar Arthrodesis: Surgical Technique.

    Science.gov (United States)

    Vilá Y Rico, Jesús; Ojeda Thies, Cristina; Parra Sanchez, Guillermo

    2016-02-01

    Surgical fusion of the subtalar joint is a procedure indicated to alleviate pain of subtalar origin, such as in post-traumatic osteoarthritis, adult-acquired flatfoot deformity, and other disorders. Open subtalar arthrodesis has been performed with predictable results, but concerns exist regarding injury to proprioception and local vascularity due to wide surgical dissection. Minimally invasive techniques try to improve results by avoiding these issues but have a reputation for being technically demanding. We describe the surgical technique for arthroscopic subtalar arthrodesis, which has proved to be a safe and reliable technique in our experience, with consistent improvements in American Orthopaedic Foot & Ankle Society scores.

  3. [Arthroscopic treatment for calcaneal spur syndrome].

    Science.gov (United States)

    Stropek, S; Dvorák, M

    2008-10-01

    PURPOSE OF THE STUDY Arthroscopic treatment of calcaneal spur syndrome is a tissue-sparing and effective approach when conservative therapy has failed. This method, its results and our experience with the treatment of this syndrome are presented here. MATERIAL Between January 2003 and November 2007, 26 patients underwent an arthroscopic procedure for calcaneal spur syndrome; of these, 20 were women with an average age of 49 years, and six were men with an average age of 45 years. Four, three women and one man, were lost to follow-up, therefore 22 patients with 24 heels were eventually evaluated. All had conservative therapy for 3 to 6 monts. METHODS The arthroscopic method used was developed by the arthroscopic group of the Orthopaedic Service of Hospital Hermanos Ameijeiras in Havana, Cuba. The surgical technique insolves treatment of the spur and plantar fasciitis commonly found in calcaneal spur syndrome, but it also addresses adjacent calcaneal periostitis. RESULTS The results were evaluated on the scale that is part of the foot function index developed by Budiman-Mak for measuring rheumatoid arthritis pain. The patients were asked mine questions on pain intensity during various activities before and after surgery. Pain was evaluated on a scale with grades from 0 to 9. The average value was 5.9 before surgery and 1.4 after surgery. A 0-1 pain range was reported by 25 %, 1-2 by 26 % and 2-4 by 22 % of the patients. All patients reported improvement. DISCUSSION The orthopaedic group in Havana led by Carlos achieved 85 % excellent outcomes (pain range, 0-2) at one-year followup; this was 79 % in our study, in which no problems with foot arches or wound infection were recorded. CONCLUSIONS The heel spur syndrome is a result of an inflamed ligament (plantar fascia) due to repeated microtrauma. It is not a traction osteophyte,but a reaction of the tissue where it attaches to the calcaneus. Adjacent calcaneal periostitis is usually present as well. Therefore, this

  4. Large increase in arthroscopic meniscus surgery in the middle-aged and older population in Denmark from 2000 to 2011

    DEFF Research Database (Denmark)

    Thorlund, Jonas B; Hare, Kristoffer B; Lohmander, Stefan

    2014-01-01

    Background - Arthroscopic meniscal surgery is the most common orthopedic procedure, and the incidence has increased in Denmark over the last 10 years. Concomitantly, several randomized controlled trials have shown no benefit of arthroscopic procedures including arthroscopic partial meniscectomy i...

  5. Arthroscopic approach and anatomy of the hip

    Science.gov (United States)

    Aprato, Alessandro; Giachino, Matteo; Masse, Alessandro

    2016-01-01

    Summary Background Hip arthroscopy has gained popularity among the orthopedic community and a precise assessment of indications, techniques and results is constantly brought on. Methods In this chapter the principal standard entry portals for central and peripheral compartment are discussed. The description starts from the superficial landmarks for portals placement and continues with the deep layers. For each entry point an illustration of the main structures encountered is provided and the principal structures at risk for different portals are accurately examined. Articular anatomical description is carried out from the arthroscope point of view and sub-divided into central and peripheral compartment. The two compartments are systematically analyzed and the accessible articular areas for each portal explained. Moreover, some anatomical variations that can be found in the normal hip are reported. Conclusion The anatomical knowledge of the hip joint along with a precise notion of the structures encountered with the arthroscope is an essential requirement for a secure and successful surgery. Level of evidence: V. PMID:28066735

  6. Pseudoaneurysm after arthroscopic procedure in the knee

    Directory of Open Access Journals (Sweden)

    Edmar Stieven Filho

    2015-04-01

    Full Text Available The aim of this study was to review all cases of pseudoaneurysm in the literature, in predominantly arthroscopic procedures on the knee, and to report on a case of pseudoaneurysm that we treated. A bibliographic search was conducted for scientific articles published in Brazilian and foreign periodicals over the last 23 years. Forty-seven cases were found, in 40 articles. In addition to these 47 cases, there was the case that we treated, which was also included in the data. Among the operations that progressed with formation of a pseudoaneurysm, 60% were cases of meniscal injuries and 23%, anterior cruciate ligament injuries. In 46% of the cases, the artery affected with the popliteal, and in 21%, the inferomedial genicular artery. The commonest clinical symptom was pain (37%, followed by pulsating tumor (31%, edema of the calf (12% and hemarthrosis (11%. The median time taken to make the diagnosis was 11 days, but it ranged from one day to 10 weeks after the procedure. Although rare, pseudoaneurysms are a risk that is inherent to arthroscopic surgery. All patients should be made aware of the vascular risks, even in small-scale procedures.

  7. Arthroscopic tibiotalar and subtalar joint arthrodesis.

    Science.gov (United States)

    Roussignol, X

    2016-02-01

    Arthroscopy has become indispensable for performing tibiotalar and subtalar arthrodesis. Now in 2015, it is the gold-standard surgical technique, and open surgery is reserved only for cases in which arthroscopy is contraindicated: material ablation after consolidation failure, osteophytes precluding a work chamber, excentric talus, severe malunion, bone defect requiring grafting, associated midfoot deformity, etc. The first reports of arthroscopic tibiotalar and subtalar arthrodesis date from the early 1990s. Consolidation rates were comparable to open surgery, but with significantly fewer postoperative complications: infection, skin necrosis, etc. Arthroscopy was for many years reserved to moderate deformity, with frontal or sagittal deviation less than 10°. The recent literature, however, seems to extend indications, the only restriction being the surgeon's experience. Tibiotalar arthrodesis on a posterior arthroscopic approach remains little used. And yet the posterior work chamber is much larger, and initial series showed consolidation rates similar to those of an anterior approach. The surgical technique for posterior tibiotalar arthrodesis was described by Van Dijk et al., initially using a posterior para-Achilles approach. This may be hampered by posterior osteophytes or ankylosis of the subtalar joint line (revision of non-consolidated arthrodesis, sequelae of calcaneal thalamus fracture) and is now used only by foot and ankle specialists. Posterior double tibiotalar-subtalar arthrodesis, described by Devos Bevernage et al., is facilitated by transplantar calcaneo-talo-tibial intramedullary nailing. Copyright © 2015 Elsevier Masson SAS. All rights reserved.

  8. Technique of Arthroscopic Treatment of Impingement After Total Ankle Arthroplasty.

    Science.gov (United States)

    Gross, Christopher E; Neumann, Julie A; Godin, Jonathan A; DeOrio, James K

    2016-04-01

    Rates of medial and/or lateral gutter impingement after total ankle replacement are not insignificant. If impingement should occur, it typically arises an average of 17 months after total ankle replacement. Our patient underwent treatment for right ankle medial gutter bony impingement with arthroscopic debridement 5 years after her initial total ankle replacement. Standard anteromedial and anterolateral portals and a 30° 2.7-mm-diameter arthroscope were used. An aggressive soft-tissue and bony resection was performed using a combination of curettes, a 3.5-mm shaver, a 5.5-mm unsheathed burr, a drill, and a radiofrequency ablator. This case shows that arthroscopic treatment is an effective and potentially advantageous alternative to open treatment of impingement after total ankle replacement. In addition, symptoms of impingement often improve in a short amount of time after arthroscopic debridement of the medial and/or lateral gutter.

  9. Arthroscopic Resection Arthroplasty of the Radial Column for SLAC Wrist

    OpenAIRE

    Cobb, Tyson K.; Walden, Anna L.; Wilt, Jessica M.

    2014-01-01

    Background Symptomatic advanced scapholunate advanced collapse (SLAC) wrists are typically treated with extensive open procedures, including but not limited to scaphoidectomy plus four-corner fusion (4CF) and proximal row carpectomy (PRC). Although a minimally invasive arthroscopic option would be desirable, no convincing reports exist in the literature. The purpose of this paper is to describe a new surgical technique and outcomes on 14 patients who underwent arthroscopic resection arthropla...

  10. Day case arthroscopic anterior cruciate ligament reconstruction.

    Science.gov (United States)

    Elgafy, H; Elsafty, M

    1998-10-01

    This is a report of the first 33 consecutive patients who had arthroscopic anterior cruciate ligament (ACL) reconstruction in the day unit of Sandwell District General Hospital. Bone-patellar tendon-bone autograft was used. This study assessed post-operative pain control, clinical results and patient satisfaction with day case surgery. The mean age was 29 years, (range 17-43). The mean period between injury and reconstruction was 29 months, (range 2-50). The mean follow-up period was 16 months (range 6-31). In 31 patients (94%), adequate post-operative pain control was achieved with oral non opioid analgesic. No patient required readmission for pain control, nausea, vomiting or urinary retention. At the last follow up, the mean Lysholm score was 93.9, (range 68-100). Thirty-one patients (94%) were satisfied with the day case surgery and believed that they did not require hospitalization after surgery.

  11. Arthroscopic knee anatomy in young achondroplasia patients.

    Science.gov (United States)

    Del Pilar Duque Orozco, M; Record, N C; Rogers, K J; Bober, M B; Mackenzie, W G; Atanda, A

    2017-06-01

    Achondroplasia is the most common form of skeletal dysplasia, affecting more than 250 000 individuals worldwide. In these patients, the developing knee undergoes multiple anatomical changes. The purpose of this study was to characterise the intra-articular knee anatomy in children with achondroplasia who underwent knee arthroscopy. Records of achondroplasia patients who underwent knee arthroscopy between 2009 and 2014 were reviewed. Demographic data, operative reports, follow-up notes, MRI and arthroscopy images were reviewed. Bony, cartilaginous and ligamentous changes were noted. The trochlea sulcus angle was measured from intra-operative arthroscopic images. A total of 12 knee arthroscopies in nine patients were performed. The mean age at surgery was 16.9 years (12 to 22). In all patients, the indication for surgery was knee pain and/or mechanical symptoms that were refractory to non-operative treatment. Three anatomical variations involving the distal femur were found in all knees: a deep femoral trochlea; a high A-shaped intercondylar notch; and a vertically oriented anterior cruciate ligament. The average trochlea sulcus angle measured 123°. Pathology included: synovial plica (one knee); chondral lesions (three knees); discoid lateral meniscus (11 knees); and meniscal tears (six knees). All patients were pain-free and returned to normal activity at final follow-up. Children with achondroplasia have characteristic distal femur anatomy noted during knee arthroscopy. These variations should be considered normal during knee arthroscopy in these patients. Arthroscopic findings confirmed previous MRI findings within this specific population with the addition of a deep trochlear groove which was not previously reported.

  12. Arthroscopic skills assessment and use of box model for training in arthroscopic surgery using Sawbones – “FAST” workstation

    Science.gov (United States)

    Goyal, Saumitra; Radi, Mohamed Abdel; Ramadan, Islam Karam-allah; Said, Hatem Galal

    2016-01-01

    Purpose: Arthroscopic skills training outside the operative room may decrease risks and errors by trainee surgeons. There is a need of simple objective method for evaluating proficiency and skill of arthroscopy trainees using simple bench model of arthroscopic simulator. The aim of this study is to correlate motor task performance to level of prior arthroscopic experience and establish benchmarks for training modules. Methods: Twenty orthopaedic surgeons performed a set of tasks to assess a) arthroscopic triangulation, b) navigation, c) object handling and d) meniscus trimming using SAWBONES “FAST” arthroscopy skills workstation. Time to completion and the errors were computed. The subjects were divided into four levels; “Novice”, “Beginner”, “Intermediate” and “Advanced” based on previous arthroscopy experience, for analyses of performance. Results: The task performance under transparent dome was not related to experience of the surgeon unlike opaque dome, highlighting the importance of hand-eye co-ordination required in arthroscopy. Median time to completion for each task improved as the level of experience increased and this was found to be statistically significant (p 85%) of subjects across all the levels reported improvement in performance with sequential tasks. Conclusion: Use of the arthroscope requires visuo-spatial coordination which is a skill that develops with practice. This simple box model can reliably differentiate the arthroscopic skills based on experience and can be used to monitor progression of skills of trainees in institutions. PMID:27801643

  13. The role of capsular distention in the arthroscopic management of arthrofibrosis of the knee: A technical consideration.

    Science.gov (United States)

    Millett, P J; Steadman, J R

    2001-09-01

    Arthroscopic treatment of arthrofibrosis of the knee is a technically challenging procedure. Capsular distention with fluid before arthroscopy results in easier and safer insertion of arthroscopic instruments with improved arthroscopic visualization. In addition, it stretches the entire capsule, including the difficult to access posterior capsule. This report describes a simple technique for capsular distention before arthroscopic treatment of arthrofibrosis of the knee.

  14. Level of the Subscapularis Split During Arthroscopic Latarjet.

    Science.gov (United States)

    Lädermann, Alexandre; Denard, Patrick J; Arrigoni, Paolo; Narbona, Pablo; Burkhart, Stephen S; Barth, Johannes

    2017-08-16

    To determine the location of the subscapularis split during arthroscopic Latarjet created by an inside-out technique passing a switching stick from the posterior portal across the glenohumeral joint. An inside-out technique was used to arthroscopically create a subscapularis split in 20 fresh-frozen human cadaveric shoulders. The distance between the exit point of the switching stick and the upper border of the subscapularis and the anterior circumflex vessels was measured arthroscopically and after open dissection. Twelve splits were in the upper third of the subscapularis, 3 were at the junction of the upper third and the middle third, and 5 were in the middle third. None were at the junction between the middle and lower third as desired. Using the inside-out method during arthroscopic Latarjet may produce a high subscapularis split if it is performed from with a switching stick that is inserted through the posterior approach, and passed across the glenohumeral joint at the level of the inferior glenoid. This study analyzed the relative risk of high subscapularis split during the arthroscopic Latarjet procedure. Copyright © 2017 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  15. The three-portal technique in arthroscopic lateral epicondylitis release

    Directory of Open Access Journals (Sweden)

    Ashok Gowda

    2017-01-01

    Full Text Available Lateral epicondylitis, commonly referred to as tennis elbow, is a syndrome characterized by pain over the origin of the common extensor muscles of the fingers, hand and wrist at the lateral epicondyle. Reports of 70-90% response to conservative treatment at one year have been documented in the literature though refractory cases often require surgical management. Arthroscopic treatment of lateral epicondylitis allows for intra-articular visualization for concomitant pathology and localization of the Extensor Carpi Radialis Brevis tendon. Additionally, compared to the open technique, the arthroscopic technique has a lower morbidity and an earlier return to work and activity. Here we describe a three portal technique for improved visualization in arthroscopic lateral epicondylitis release.

  16. Arthroscopic bursectomy for recalcitrant trochanteric bursitis after hip arthroplasty.

    Science.gov (United States)

    Van Hofwegen, Christopher; Baker, Champ L; Savory, Carlton G; Baker, Champ L

    2013-01-01

    This study evaluated the use of arthroscopic bursectomy for pain relief in patients with trochanteric bursitis after hip arthroplasty. In this retrospective case series of 12 patients undergoing arthroscopic treatment of recalcitrant trochanteric bursitis after hip arthroplasty, outcomes were assessed via phone interview with a numeric pain rating scale from 1 to 10 and were compared with preoperative pain ratings. Patients were asked the percentage of time they had painless hip function and whether they would have the surgery again. At an average 36-month follow-up (range, 4-85 months), the average numeric pain scale rating improved from 9.3 to 3.3. At an average of 62% of the time, patients had painless use of the hip. Ten of 12 patients in the study felt the pain relief gained was substantial enough to warrant having procedure again. In these patients, arthroscopic bursectomy was a viable option for patients with recalcitrant bursitis after hip arthroplasty.

  17. Ergonomic handle for an arthroscopic cutter.

    Science.gov (United States)

    Tuijthof; van Engelen; Herder; Goossens; Snijders; van Dijk

    2003-03-01

    From an analysis of the routinely performed meniscectomy procedures, it was concluded that a punch with a side-ways steerable tip would improve the reachability of meniscal tissue. This potentially leads to a safer and more efficient meniscectomy. Furthermore, the current scissors handles of arthroscopic punches are ergonomically not sufficient. An ergonomic handle is designed with one lever that enables opening and closing of the instrument tip, and side-ways steering of the instrument tip. The design of the handle complies with ergonomic guidelines that were found in the literature. A model of the instrument tip was added to the new handle for comparison with conventional handles. Experiments were performed with a knee joint model, using objective and subjective criteria. The results show that the concept of a side-ways steerable punch is promising, since faster task times are achieved without increasing the risk of damaging healthy tissue. The current design of the ergonomic handle incorporates two degrees of freedom in an intuitive way, the handle is more comfortable to hold, and easy to control. The external memory capabilities of the new handle could be improved. Further development of this handle and the addition of a sufficient instrument tip and force transmission are recommended.

  18. Arthroscopic release of first metatarsophalangeal arthrofibrosis.

    Science.gov (United States)

    Lui, Tun H

    2006-08-01

    Various degrees of first metatarsophalangeal joint arthrofibrosis frequently occur in patients with bunion surgery or big toe trauma. In those patients with functional limitation who fail to respond to conservative treatment, surgery is indicated. We describe here an arthroscopic approach to first metatarsophalangeal release that is designed to improve functional results. Dorsomedial and dorsolateral portals are established at the medial and lateral sides of the extensor hallucis longus tendon. Through these 2 portals, the dorsal capsule is released and the medial and lateral joint gutters can be cleared up. The metatarsosesamoid compartment is approached through the straight medial portal and the working portal, the latter of which is located 4 cm proximal to the joint line between the abductor hallucis tendon and the medial head of the flexor hallucis brevis. Under visualization through the medial portal, adhesions around the sesamoid apparatus can be debrided with a shaver through the working portal. This completes the release of joint circumference and improves the motion range of the joint.

  19. Effect of Mirrored Views on Endoscopic and Arthroscopic Skill Performance

    Science.gov (United States)

    Benninger, Emanuel; Meier, Christoph; Wirth, Stefan; Koch, Peter Philipp; Meyer, Dominik

    2017-01-01

    Background: Arthroscopic procedures may be technically challenging because of impaired vision, limited space, and the 2-dimensional vision of a 3-dimensional structure. Spatial orientation may get more complicated when the camera is pointing toward the surgeon. Hypothesis: Spatial orientation and arthroscopic performance may be improved by simply mirroring the image on the monitor in different configurations regarding the position and orientation of camera and instrument. Study Design: Descriptive laboratory study. Methods: Thirty volunteers from an orthopaedic department were divided into 3 equal groups according to their arthroscopic experience (beginners, intermediates, seniors). All subjects were asked to perform a standardized task in a closed box mimicking an endoscopic space. The same task had to be performed in 4 different configurations regarding camera and instrument position and orientation (pointing toward or away from the subject) with either the original or mirrored image on the monitor. Efficiency (time per stick; TPS), precision (successful completion of the task), and difficulty rating using a visual analog scale (VAS) were analyzed. Results: Mirroring the image demonstrated no advantage over the original images in any configuration regarding TPS. Successful completion of the task was significantly better when the image was mirrored in the configuration with the camera pointing toward and the instrument away from the surgeon. There was a positive correlation between TPS and subjective VAS difficulty rating (r = 0.762, P = .000) and a negative correlation between the successful completion of the task and VAS (r = −0.515, P = .000). Conclusion: Mirroring the image may have a positive effect on arthroscopic performance of surgeons in certain configurations. A significantly improved performance was seen when the arthroscope was pointing toward and the grasping instrument pointing away from the subject. Mirroring the image may facilitate surgery in

  20. Biomechanical comparison of open and arthroscopic Latarjet procedures.

    Science.gov (United States)

    Schulze-Borges, Johanna; Agneskirchner, Jens D; Bobrowitsch, Evgenij; Patzer, Thilo; Struck, Melena; Smith, Tomas; Wellmann, Mathias

    2013-04-01

    To biomechanically compare the effectiveness of the standard open and arthroscopic techniques of the Latarjet procedure to address a critical anterior glenoid defect in combination with a capsular insufficiency. Translation testing of 12 human cadaveric shoulder specimens was performed in a robot-assisted setup under 3 different conditions: (1) intact/vented shoulder joint, (2) combined anterior glenoid bone and capsular defect, and (3) open and arthroscopic Latarjet procedures. Testing was performed for each condition in 2 test positions: 60° of glenohumeral abduction with neutral rotation (ABD position) and 60° of abduction and external rotation (ABER position). Each position was tested with a passive humerus load of 30 N in the anterior, inferior, and anteroinferior directions. Translational movement of the humeral head was evaluated with and without the application of a 10-N load to the conjoint tendon (CJT). In the ABD position, translations after the open Latarjet procedure significantly differed from the arthroscopic technique in the anterior and anteroinferior directions when testing was performed with loading of the CJTs (CJT loading). Without CJT loading, the open Latarjet technique showed significantly lower translations in the anterior, inferior (P = .004), and anteroinferior (P = .001) testing directions in the ABD position. In the ABER position, the arthroscopic procedure showed no significant difference compared with the standard open procedure. We found a superior stabilization effect of the open Latarjet technique in the ABD position. The difference is ascribed to the anterior capsular repair, which was performed within the open technique and omitted during the arthroscopic procedure. The reduction of translation in a pure abduction position of the arm is more effectively performed with a conventional open Latarjet technique that includes a capsular repair. In combined ABER position, there was no difference found between the open and

  1. Open Latarjet versus arthroscopic Latarjet: clinical results and cost analysis.

    Science.gov (United States)

    Randelli, P; Fossati, C; Stoppani, C; Evola, F R; De Girolamo, L

    2016-02-01

    The aim of this study was to compare the clinical results between open and arthroscopic Latarjet and perform a cost analysis of the two techniques. A systematic review of articles present in PubMed and MEDLINE was performed in accordance with PRISMA guidelines. Studies concerning post-operative outcomes following Latarjet procedures for chronic anterior shoulder instability were selected for analysis. The clinical and radiographic results as well as the costs of the open and arthroscopic techniques were evaluated. Twenty-three articles, describing a total of 1317 shoulders, met the inclusion criteria: 17 studies were related to open Latarjet, and 6 to the arthroscopic technique. Despite the heterogeneity of the evaluation scales, the clinical results seemed very satisfactory for both techniques. We detected a statistically significant difference in the percentage of bone graft healing in favour of the open technique (88.6 vs 77.6 %). Recurrent dislocation was more frequent following open surgery (3.3 % after open surgery vs 0.3 % after arthroscopy), but this finding was biased by the large difference in follow-up duration between the two techniques. The direct costs of the arthroscopic procedure were double in comparison to open surgery (€2335 vs €1040). A lack of data prevented evaluation of indirect costs and, therefore, a cost-effectiveness analysis. The open and arthroscopic Latarjet techniques showed excellent and comparable clinical results. However, the much higher direct costs of the arthroscopic procedure do not seem, at present, to be justified by a benefit to the patient. III.

  2. Efficacy of arthroscopically placed pain catheter adjacent to the suprascapular nerve (continuous arthroscopically assisted suprascapular nerve block following arthroscopic rotator-cuff repair

    Directory of Open Access Journals (Sweden)

    Yamakado K

    2014-05-01

    Full Text Available Kotaro YamakadoDepartment of Orthopaedics, Fukui General Hospital, Fukui, JapanBackground: Rotator-cuff surgery is well recognized to be a painful procedure.Objectives: The purpose of this study was to examine the effectiveness of an arthroscopically placed perineural catheter at the scapular notch to provide a continuous block of the suprascapular nerve (continuous arthroscopically assisted suprascapular nerve block [ca-SSNB] following arthroscopic rotator-cuff repair (ARCR.Materials and methods: This level II, prospective, randomized, controlled trial without postoperative blinding included 40 patients, who had a 48-hour pain pump, with 0.2% ropivacaine infusion and a continuous rate of 3 mL/hour, placed via an arthroscopically placed catheter following ARCR with arthroscopic release of the superior transverse ligament: 21 patients had a ca-SSNB, and 19 patients had a continuous subacromial bursal block (SAB. The visual analog scale (at 6 hours and on the first, second, and third postoperative days and the total number of additional pain-reduction attempts during the 3 postoperative days were calculated.Results: The respective visual analog scale scores (mm obtained from the ca-SSNB and SAB groups were 62.4 and 67.6 (P=0.73 before surgery, 9.1 and 19.4 (P=0.12 at 6 hours after surgery, 24.4 and 44.6 (P=0.019 on the first postoperative day, 19.4 and 40.4 (P=0.0060 on the second postoperative day, and 18.5 and 27.8 (P=0.21 on the third postoperative day. Total additional pain-reduction attempts recorded for the ca-SSNB and SAB groups during the 3 postoperative days were 0.3 times and 1.2 times (P=0.0020, respectively.Conclusion: ca-SSNB was highly effective in controlling postoperative pain after ARCR.Keywords: shoulder, rotator cuff tear, postoperative pain control, continuous suprascapular nerve block, arthroscopic rotator cuff repair

  3. Arthroscopic intervention in early hip disease.

    Science.gov (United States)

    McCarthy, Joseph C; Lee, Jo-Ann

    2004-12-01

    Advancement in diagnostic and therapeutic applications for hip arthroscopy have dispelled previous myths about early hip disease. Arthroscopic findings have established the following facts: Acetabular labral tears do occur; acetabular chondral lesions do exist; tears are most frequently anterior and often associated with sudden twisting or pivoting motions; and labral tears often occur in association with articular cartilage lesions of the adjacent acetabulum or femoral head, and if present for years, contribute to the progression of delamination process of the chondral cartilage. Magnetic resonance arthrography represents an improvement over conventional magnetic resonance imaging, it does have limitations when compared with direct observation. Although indications for hip arthroscopy are constantly expanding, the most common indications include: labral tears, loose bodies, chondral flap lesions of the acetabular or femoral head, synovial chondromatosis, foreign body removal, and crystalline hip arthropathy (gout, pseudogout, and others). Contraindications include conditions that limit the potential for hip distraction such as joint ankylosis, dense heterotopic bone formation, considerable protrusio, or morbid obesity. Complication rates have been reported between 0.5 and 5%, most often related to distraction and include sciatic or femoral nerve palsy, avascular necrosis, and compartment syndrome. Transient peroneal or pudendal nerve effects and chondral scuffing have been associated with difficult or prolonged distraction. Meticulous consideration to patient positioning, distraction time and portal placement are essential. Judicious patient selection and diagnostic expertise are critical to successful outcomes. Candidates for hip arthroscopy should include only those patients with mechanical symptoms (catching, locking, or buckling) that have failed to respond to conservative therapy. The extent of articular cartilage involvement has the most direct relationship

  4. An arthroscopic technique to treat the iliotibial band syndrome.

    Science.gov (United States)

    Michels, F; Jambou, S; Allard, M; Bousquet, V; Colombet, P; de Lavigne, C

    2009-03-01

    Iliotibial band syndrome (ITBS) is an overuse injury mainly affecting runners. The initial treatment is conservative. Only, in recalcitrant cases surgery is indicated. Several open techniques have been described. The purpose of this study is to evaluate the results of a standardized arthroscopic technique for treatment of a resistant ITBS. Thirty-six athletes with a resistant ITBS were treated with a standardized arthroscopic technique, limited to the resection of lateral synovial recess. Thirty-three patients were available for follow-up (mean 2 years 4 months). Thirty-two patients (34 knees) had good or excellent results. All patients went back to sports after 3 months. In two patients a meniscal lesion was found, which required treatment. One patient with only a fair result had associated cartilage lesions of the femoral condyle. Our results show that arthroscopic treatment of resistant ITBS is a valid option with a consistently good outcome. In addition, this arthroscopic approach allows excluding or treating other intra-articular pathology.

  5. Possibilities for arthroscopic treatment of the ageing sternoclavicular joint

    DEFF Research Database (Denmark)

    Rathcke, Martin; Tranum-Jensen, Jorgen; Krogsgaard, Michael Rindom

    2017-01-01

    AIM To investigate if there are typical degenerative changes in the ageing sternoclavicular joint (SCJ), potentially accessible for arthroscopic intervention. METHODS Both SCJs were obtained from 39 human cadavers (mean age: 79 years, range: 59-96, 13 F/26 M). Each frozen specimen was divided fro...

  6. Arthroscopic management of mucoid degeneration of anterior cruciate ligament

    Directory of Open Access Journals (Sweden)

    Chirag H Chudasama

    2012-01-01

    Conclusions: Mucoid hypertrophy of the ACL should be suspected in elderly persons presenting pain on terminal extension or flexion without preceding trauma, especially when there is no associated meniscal lesion or ligamentous insufficiency. They respond well to a judicious arthroscopic release of the ACL with notchplasty.

  7. [ARTHROSCOPIC TREATMENT OF PIGMENTED VILLONODULAR SYNOVITIS OF ANKLE].

    Science.gov (United States)

    Wang, Fei; Li, Jian; Li, Qi

    2014-07-01

    To investigate the effectiveness of arthroscopic treatment of pigmented villonodular synovitis (PVNS) of the ankle. Twelve patients who were initially diagnosed as having PVNS of the ankle were treated between January 2005 and May 2012. There were 6 males and 6 females, aged 20-50 years (mean, 35.4 years). Disease duration ranged from 6 months to 12 years (median, 3.6 years). One case of recurrence was included. The preoperative American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score was 55.5 ± 7.6. According to degree and range of the PVNS lesions, 4 cases of local PVNS were treated with arthroscopic debridement, and 8 cases of diffuse PVNS were treated with arthroscopically assisted arthrotomy; and local radiotherapy was given in all patients after operation. Primary healing of incision was obtained in all patients. The mean follow-up time was 2.8 years (range, 1-6 years). At 12 months after operation, no obvious pain, swelling, and limited range of motion of the ankle were observed. The AOFAS score was increased to 84.3 ± 3.4 at 12 months, and it was significantly higher than that at preoperation (P PVNS of the ankle according to the PVNS lesion degree and range. And arthroscopically assisted surgery has many advantages of less traumas and hemorrhage, fast recovery, and less complications.

  8. A 3-portal approach for arthroscopic subtalar arthrodesis

    NARCIS (Netherlands)

    Beimers, L.; de Leeuw, P.A.J.; van Dijk, C.N.

    2009-01-01

    We present a 3-portal approach for arthroscopic subtalar arthrodesis with the patient in the prone position. The prone position allows the use of the two standard posterior portals and it allows for accurate control of hindfoot alignment during surgery. Furthermore, the introduction of talocalcaneal

  9. Displaced anterior cruciate ligament avulsion fractures: Arthroscopic staple fixation

    Directory of Open Access Journals (Sweden)

    S R Sundararajan

    2011-01-01

    Full Text Available Background: Anterior cruciate ligament (ACL avulsion fracture is commonly associated with knee injuries and its management is controversial ranging from conservative treatment to arthroscopic fixation. The aim of our study was to assess the clinical and radiological results of arthroscopic staple fixation in the management of ACL avulsion fractures. Materials and Methods: Twenty-two patients (17 males and 5 females who underwent arthroscopic staple fixation for displaced ACL avulsion fractures were analysed. The mean age was 32.2 years (15-55 years with a mean followup of 21 months (6-36 months. All patients were assessed clinically by calculating their Lysholm and International Knee Documentation Committee (IKDC scores and the radiological union was assessed in the followup radiographs. Results: The mean Lysholm score was 95.4(83-100 and the mean IKDC score was 91.1(77-100 at the final followup. In 20 patients anterior drawer′s test was negative at the end of final followup while two patients had grade I laxity. Associated knee injuries were found in seven cases. The final outcome was not greatly influenced by the presence of associated injuries when treated simultaneously. At final followup all the patients were able to return to their pre-injury occupation Conclusion: Arthroscopic staple fixation is a safe and reliable method for producing clinical and radiological outcome in displaced ACL avulsion fractures.

  10. A 3-portal approach for arthroscopic subtalar arthrodesis

    NARCIS (Netherlands)

    Beimers, L.; de Leeuw, P.A.J.; van Dijk, C.N.

    2009-01-01

    We present a 3-portal approach for arthroscopic subtalar arthrodesis with the patient in the prone position. The prone position allows the use of the two standard posterior portals and it allows for accurate control of hindfoot alignment during surgery. Furthermore, the introduction of talocalcaneal

  11. Arthroscopic treatment of bony loose bodies in the subacromial space

    Directory of Open Access Journals (Sweden)

    Wei Li

    2015-01-01

    Conclusion: The mechanism of formation of bony loose bodies is not clear, may be associated with synovial cartilage metaplasia. Arthroscopic removal of loose bodies and bursa debridement is a good option for treatment of the loose body in the subacromial space, which can receive good function.

  12. Graft position and fusion rate following arthroscopic Latarjet.

    Science.gov (United States)

    Casabianca, Laurent; Gerometta, Antoine; Massein, Audrey; Khiami, Frederic; Rousseau, Romain; Hardy, Alexandre; Pascal-Moussellard, Hugues; Loriaut, Philippe

    2016-02-01

    The arthroscopic Latarjet procedure is recently becoming an increasingly popular technique. Nevertheless, position and fusion of the autograft had not been well studied yet. The purpose of this study was to assess the positioning of the coracoid graft and the fusion rate on CT scan in the arthroscopic Latarjet procedure. The study design was a prospective series of 19 consecutive patients who received arthroscopic Latarjet procedure. Radiological assessment on CT scan performed 3 months post-operatively included an analysis of the fusion and the position of the coracoid bone graft using a validated method. 02:30-04:20 was considered an ideal positioning in the sagittal view. In the axial view, the positioning was considered as flush, congruent, medial, too medial, or lateral. The median age of patients was 27.6 (±6.9). Mean operative time was of 161 min ±34.8. The fusion rate was of 78 %. Coracoid grafts were positioned 01:52 h (56° ± 14°) to 4:04 h (122° ± 12.5°). In the axial view, 32 % of the grafts positioning were considered as flush, 38 % as congruent, 30 % as medial, and 6 % too medial. No lateral position was noted. Two complications occurred, one graft fracture during screwing requiring opening conversion and an early case of osteolysis in a medial-positioned graft. The arthroscopic Latarjet procedure is a technically challenging technique that provides satisfactory fusion rate and graft positioning with a low complication rate. The clinical importance of this study lies in the observation that it is the first study to evaluate the position of the coracoid bone graft in arthroscopic Latarjet according to a detailed and validated method. IV.

  13. Fundamental arthroscopic skill differentiation with virtual reality simulation.

    Science.gov (United States)

    Rose, Kelsey; Pedowitz, Robert

    2015-02-01

    The purpose of this study was to investigate the use and validity of virtual reality modules as part of the educational approach to mastering arthroscopy in a safe environment by assessing the ability to distinguish between experience levels. Additionally, the study aimed to evaluate whether experts have greater ambidexterity than do novices. Three virtual reality modules (Swemac/Augmented Reality Systems, Linkoping, Sweden) were created to test fundamental arthroscopic skills. Thirty participants-10 experts consisting of faculty, 10 intermediate participants consisting of orthopaedic residents, and 10 novices consisting of medical students-performed each exercise. Steady and Telescope was designed to train centering and image stability. Steady and Probe was designed to train basic triangulation. Track and Moving Target was designed to train coordinated motions of arthroscope and probe. Metrics reflecting speed, accuracy, and efficiency of motion were used to measure construct validity. Steady and Probe and Track a Moving Target both exhibited construct validity, with better performance by experts and intermediate participants than by novices (P reality modules developed through task deconstruction. Participants with the most arthroscopic experience performed better and were more consistent than novices on all 3 virtual reality modules. Greater arthroscopic experience correlates with more symmetry of ambidextrous performance. However, further adjustment of the modules may better simulate fundamental arthroscopic skills and discriminate between experience levels. Arthroscopy training is a critical element of orthopaedic surgery resident training. Developing techniques to safely and effectively train these skills is critical for patient safety and resident education. Copyright © 2015 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  14. ${\\mathcal O}(\\alpha_s v^2)$ correction to $J/\\psi$ plus $\\eta_c$ production in $e^+e^-$ annihilation at $\\sqrt{s}=10.6GeV

    CERN Document Server

    Li, Xi-Huai

    2013-01-01

    Based on the nonrelativistic QCD factorization approach, ${\\mathcal O}(\\alpha_s v^2)$ corrections to $\\jpsi$ plus $\\eta_c$ production in $e^+e^-$ annihilation at $\\sqrt{s}=10.6 \\gev$ is calculated in this work. The numerical results show that the correction at $\\alpha_s v^2$ order is only about a few percent for the total theoretical result. It indicates that the perturbative expansions for the theoretical prediction become convergence and higher order correction will be smaller. The uncertainties from the long-distance matrix elements, renormalization scale and the measurement in experiment are also discussed. Our result is in agreement with previous result in ref [1].

  15. Arthroscopic coracoid transposition for recurrent shoulder anterior instability. An Operative technique

    OpenAIRE

    Gudas, Rimtautas; Skurvydas, Albertas; Streckis, Vytautas; Mickevičius, Tomas

    2011-01-01

    We report a technique of an arthroscopic concomitant Bankart repair with a transfer of the coracoid bone block and conjoint tendons for revision anterior shoulder instability. The operative procedure consists of an arthroscopic transfer of the conjoined tendon with a coracoid and arthroscopic Bankart repair. First, a typical Bankart suture anchor procedure with two suture anchors was performed into the antero-inferior part of the glenoid rim. After, tenodesis of the coraco-biceps tendon was p...

  16. Arthroscopic Bony Bankart Repair Using Double-Threaded Headless Screw: A Case Report

    OpenAIRE

    Takeshi Kokubu; Issei Nagura; Yutaka Mifune; Masahiro Kurosaka

    2012-01-01

    We present a case of arthroscopic fixation for bony Bankart lesion using a double-threaded cannulated screw. A 39-year-old man sustained a left shoulder injury from a motorcycle accident. Radiographs showed bony Bankart lesion and CT revealed 40% defect of glenoid articular surface. Arthroscopic fixation was performed using double-threaded cannulated screw after the bony fragment was reduced by suturing the labrum at the edge with a suture anchor. Arthroscopic bony Bankart repair using double...

  17. Arthroscopic partial meniscectomy in middle-aged patients with mild or no knee osteoarthritis

    DEFF Research Database (Denmark)

    Hare, Kristoffer B; Lohmander, Stefan; Christensen, Robin

    2013-01-01

    Arthroscopic partial meniscectomy has been shown to be of no benefit to patients with concomitant knee osteoarthritis, but the optimal treatment of a degenerative meniscus tear in patients with mild or no knee osteoarthritis is unknown. This article describes the rationale and methodology...... of a randomized sham-controlled trial to assess the benefit of arthroscopic partial meniscectomy of a medial meniscus tear in patients with mild or no knee osteoarthritis. The objective of the study is to test whether the benefit from arthroscopic partial meniscectomy in patients with knee pain, medial meniscus...... lesion and mild/no knee osteoarthritis, is greater after arthroscopic partial meniscectomy than following sham surgery....

  18. Arthroscopic Resection Arthroplasty of the Radial Column for SLAC Wrist.

    Science.gov (United States)

    Cobb, Tyson K; Walden, Anna L; Wilt, Jessica M

    2014-05-01

    Background Symptomatic advanced scapholunate advanced collapse (SLAC) wrists are typically treated with extensive open procedures, including but not limited to scaphoidectomy plus four-corner fusion (4CF) and proximal row carpectomy (PRC). Although a minimally invasive arthroscopic option would be desirable, no convincing reports exist in the literature. The purpose of this paper is to describe a new surgical technique and outcomes on 14 patients who underwent arthroscopic resection arthroplasty of the radial column (ARARC) for arthroscopic stage II through stage IIIB SLAC wrists and to describe an arthroscopic staging classification of the radiocarpal joint for patients with SLAC wrist. Patients and Methods Data were collected prospectively on 17 patients presenting with radiographic stage I through III SLAC wrist who underwent ARARC in lieu of scaphoidectomy and 4CF or PRC. Fourteen patients (12 men and 2 women) subject to 1-year follow-up were included. The average age was 57 years (range 41 to 78). The mean follow-up was 24 months (range 12 to 61). Arthroscopic resection arthroplasty of the radial column is described for varying stages of arthritic changes of the radioscaphoid joint. Midcarpal resection was not performed. Results The mean Disabilities of the Arm, Shoulder, and Hand (DASH) score was 66 preoperatively and 28 at final follow-up. The mean satisfaction (0 = not satisfied, 5 = completely satisfied) at final follow-up was 4.5 (range 3 to 5). The pain level (on 0-10 scale) improved from 6.6 to 1.3. The total arc of motion changed from 124° preoperatively to 142° postoperatively following an ARARC. Grip was 16 kg preoperatively and 18 kg postoperatively. Radiographic stages typically underestimated arthroscopic staging. Although four of our patients appeared to be radiographic stage I, all were found to have arthritis involving some or all of the radioscaphoid articulation at the time of arthroscopy. Clinical Relevance Pain relief

  19. Three cases of septic arthritis following a recent arthroscopic procedure.

    Science.gov (United States)

    Rowton, Joseph

    2013-01-01

    We report three cases of septic arthritis in patients who presented with a painful, swollen and supurative knee joint following a recent arthroscopic procedure, 8-15 days prior to attendance. In all three cases, patients presented with pain and swelling of the affected knee joint with discharge from the port sites. All were sent for washout of the affected joint and received intravenous antibiotic cover. Any patient presenting within 1 month of a recent arthroscopic procedure with pain and swelling of that joint should be presumed to have septic arthritis until proven otherwise. They must have urgent treatment in the form of joint washout and intravenous antibiotics, and receive 6 weeks oral antibiotics on discharge.

  20. Arthroscopic Management of Pigmented Villonodular Synovitis of the Knee Joint.

    Science.gov (United States)

    Dwidmuthe, Samir; Barick, Devashis; Rathi, Tarun

    2015-01-01

    Pigmented Villonodular Synovitis (PVNS) of knee joint is a rare disorder of Synovium. Hip and knee joint are commonly affected joints. The knee PVNS presents as a localized or diffuse form. Diagnosis if often delayed and permanent joint damage occurs with advanced disease. Ultrasound examination shows fluid collection and synovial hypertrophy. Magnetic resonance imaging helps in clinching the diagnosis. Final confirmation of PVNS is done with histopathological examination of synovial tissue removed. Post operative radiation has shown to reduce the rate of recurrent disease. 25 years male presented to us with painless swelling of left knee joint of 3 months duration. Radiographs were normal. MRI showed synovial hypertrophy with changes suggestive of PVNS. We did arthroscopic six portal synovectomy. The patient regained his function and was asymptomatic at 2 year follow up. We want to emphasize that early diagnosis and well done arthroscopic Synovectomy gives good clinical outcome with low recurrence rate. Radiotherapy should be reserved for recurrent disease.

  1. Resultado funcional do tratamento artroscópico da instabilidade do ombro sem a lesão do lábio da glenóide Functional results of arthroscopic treatment of shoulder instability without glenoid labral lesion

    Directory of Open Access Journals (Sweden)

    Waldo Lino Júnior

    2007-07-01

    Full Text Available OBJETIVO: Tratar a instabilidade anterior e ântero-inferior do ombro sem lesão do lábio da glenóide por via artroscópica por meio de capsulorrafia térmica e fechamento do espaço rotador e avaliar os resultados quanto à estabilidade e à melhora funcional. MÉTODOS: Entre janeiro de 1998 e junho de 2002, 11 pacientes foram submetidos a esse procedimento, imobilizados por cinco semanas e após tratados por fisioterapia. Todos os pacientes foram avaliados no pré e pós-operatório pelas escalas de Neer, Rower e UCLA e, no pós-operatório, pela escala de ASES. RESULTADOS: Durante o período de seguimento entre 46 e 97 meses média de 75,54 meses todos os ombros permaneceram estáveis. Comparando-se a evolução do pré ao pós-operatório, houve melhora de acordo com a escala de Neer, na qual nenhum paciente apresentou resultado satisfatório no pré-operatório e oito tiveram resultado satisfatório no pós-operatório. Segundo a escala de Rowe, a média pré-operatória foi de 36,8 e, no pós-operatório, de 81,6 pontos. Conforme a escala da UCLA, a média no pré-operatório foi de 23,45 e, no pós-operatório, de 31,18 pontos. De acordo com todas essas escalas houve melhora estatisticamente significativa (p = 0,05. A escala da ASES mostrou média pós-operatória de 77,2 pontos. CONCLUSÃO: O procedimento artroscópico analisado confere estabilidade e melhora funcional.OBJECTIVE: Anterior and anterior-lower instability of the shoulder without a glenoid labral lesion was arthroscopically treated by thermal capsulorrhaphy and closing of the rotator space, and results were evaluated for stability and functional improvement. METHODS: From January 1998 to June 2002, 11 patients were submitted to this procedure, immobilized for five weeks, and then treated by physiotherapy. All patients were evaluated pre- and post-operatively by the Neer, Rower, and UCLA scale, and in the post-operative period, by the ASES scale. RESULTS: During the follow

  2. Arthroscopic Gluteal Muscle Contracture Release With Radiofrequency Energy

    OpenAIRE

    LIU Yu-jie; Wang, Yan; Xue, Jing; Lui, Pauline Po-Yee; Chan, Kai-Ming

    2008-01-01

    Gluteal muscle contracture is common after repeated intramuscular injections and sometimes is sufficiently debilitating to require open surgery. We asked whether arthroscopic release of gluteal muscle contracture using radiofrequency energy would decrease complications with clinically acceptable results. We retrospectively reviewed 108 patients with bilateral gluteal muscle contractures (57 males, 51 females; mean age, 23.7 years). We used inferior, anterosuperior, and posterosuperior portals...

  3. Arthroscopic foveal repair of the triangular fibrocartilage complex.

    Science.gov (United States)

    Atzei, Andrea; Luchetti, Riccardo; Braidotti, Federica

    2015-02-01

    Background Foveal disruption of the triangular fibrocartilage complex (TFCC) is associated with distal radioulnar joint (DRUJ) instability. TFCC fixation onto the fovea is the suitable treatment, which is not achieved by conventional arthroscopic techniques. We describe an all-inside arthroscopic technique that uses a suture anchor through distal DRUJ arthroscopy for foveal repair of the TFCC. Materials and Methods Forty-eight patients with TFCC foveal tear and DRUJ instability were selected according to the Atzei-European Wrist Arthroscopy Society (EWAS) algorithm of treatment. Retrospective evaluation included pain, DRUJ instability, range of motion (ROM), grip strength, Modified Mayo Wrist Score (MMWS), and the Disabilities of the Arm, Shoulder, and Hand (DASH) Score. Description of Technique DRUJ arthroscopy was performed to débride the TFCC and the foveal area. Under arthroscopic guidance, a suture anchor was inserted via the distal foveal portal to repair the TFCC onto the fovea. Sutures were tied on the radiocarpal surface of the TFCC. Postoperative immobilization of forearm rotation was maintained for 4 weeks. Heavy tasks were allowed after 3 months. Results After a mean follow-up of 33 months, pain improved significantly but remained moderate in four patients, severe in one. DRUJ instability resolved in 44 patients. Wrist ROM increased. Grip strength, MMWS, and DASH score improved significantly. Excellent and good MMWS equaled 83.3%. Forty-one patients (85.5%) resumed previous work and sport activities. As a postoperative complication, five patients experienced neuroapraxia of the dorsal sensory branch of the ulnar nerve (DSBUN) with full spontaneous recovery. Conclusions With appropriate indications and patient selection, arthroscopic foveal repair of the TFCC may restore DRUJ stability and provide satisfactory results without significant complications.

  4. Arthroscopic Lysis of Arthrofibrosis of the Fifth Tarsometatarsal Joint.

    Science.gov (United States)

    Lui, Tun Hing

    2015-12-01

    Loss of motion of the fifth tarsometatarsal joint can be a cause of lateral foot pain after Lisfranc fracture-dislocation or fracture of the fifth metatarsal tubercle. Arthroscopic lysis of the joint can be an effective surgical treatment with the advantage of minimal soft-tissue trauma and early vigorous mobilization of the joint. The lysis can be extended to the fourth tarsometatarsal joint and the adjacent tendons if indicated.

  5. Arthroscopic Repair of Posterior Bony Bankart Lesion and Subscapularis Remplissage

    OpenAIRE

    Luedke, Colten; Tolan, Stefan J.; Tokish, John M.

    2017-01-01

    Posterior shoulder instability with glenoid bone loss has only a fraction of the prevalence of anterior instability. Unlike the latter, there is a paucity of literature regarding the treatment of posterior bony Bankart lesions and even less with concomitant reverse Hill-Sachs lesions. This combination of pathology leads to a difficult situation regarding treatment options. We present our technique for arthroscopic repair of a posterior bony Bankart lesion and reverse Hill-Sachs lesion. The im...

  6. Free Biceps Tendon Autograft to Augment Arthroscopic Rotator Cuff Repair

    OpenAIRE

    Obma, Padraic R.

    2013-01-01

    Arthroscopic rotator cuff repairs have become the standard of treatment for all sizes of tears over the past several years. Current healing rates reported in the literature are quite good, but improving the healing potential of rotator cuff repairs remains a challenging problem. There has been an increase recently in the use of augmentation of rotator cuff repairs with xenografts or synthetics for large and massive tears. Biceps tenodesis is often indicated as part of the treatment plan while...

  7. SLAP repair with arthroscopic decompression of spinoglenoid cyst

    Directory of Open Access Journals (Sweden)

    Hashiguchi Hiroshi

    2016-01-01

    Full Text Available Introduction: A spinoglenoid cyst with suprascapular nerve disorders is highly associated with superior labrum anterior posterior (SLAP lesion. Conservative or surgical treatment is applied to relieve pain and neurological symptoms. The purpose of this study was to evaluate clinical outcomes of patients treated by arthroscopic surgery for SLAP lesion with a spinoglenoid cyst. Methods: The subjects of this study were six patients with SLAP lesion with a spinoglenoid cyst who underwent arthroscopic surgery. There was one female and five males with a mean age of 48.5 years. SLAP lesion was found in all the patients at arthroscopy. A small tear of the rotator cuff was found in the two patients. The SLAP lesion was repaired using suture anchors, and the rotator cuff tears were repaired by suture-bridge fixation. The spinoglenoid cyst was decompressed through the torn labrum in three patients, and through the released superior to posterior portion of the capsule in the other three patients. Results: All patients showed excellent improvement in pain and muscle strength at the final follow-up examination. The mean Constant score was improved from 60.5 points preoperatively to 97.2 points postoperatively. The mean visual analog scale (VAS score decreased from 4.5 on the day of the surgery to 2.5 within one week postoperatively. Postoperative MRI showed disappearance or reduction of the spinoglenoid cyst in four and two patients, respectively. There were no complications from the surgical intervention and in the postoperative period. Discussion: The patients treated by decompression through the released capsule obtained pain relief at an early period after the surgery. Arthroscopic treatment for a spinoglenoid cyst can provide a satisfactory clinical outcome. Arthroscopic decompression of a spinoglenoid cyst through the released capsule is recommended for a safe and reliable procedure for patients with suprascapular nerve disorders.

  8. Arthroscopic Treatment of Intraosseous Ganglion Cyst of the Lunate Bone.

    Science.gov (United States)

    Cerlier, Alexandre; Gay, André-Mathieu; Levadoux, Michel

    2015-10-01

    Intraosseous ganglion cysts are rare causes of wrist pain. Surgical treatment of this pathologic condition yields good results and a low recurrence rate. The main complications are joint stiffness and vascular disturbances of the lunate bone. Wrist arthroscopy is a surgical technique that reduces the intra-articular operative area and therefore minimizes postoperative stiffness. This article describes an arthroscopic technique used for lunate intraosseous cyst resection associated with an autologous bone graft in a series of cases to prevent joint stiffness while respecting the scapholunate ligament. This study was based on a series of 4 patients, all of whom had wrist pain because of intraosseous ganglion cysts. Arthrosynovial cyst resection, ganglion curettage, and bone grafting were performed arthroscopically. Pain had totally disappeared within 2 months after the operation in 100% of patients. The average hand grip strength was estimated at 100% compared with the opposite side, and articular ranges of motion were the same on both sides in 100% of cases. No complications were reported after surgery. On the basis of these results, arthroscopic treatment of intraosseous synovial ganglion cysts seems to be more efficient and helpful in overcoming the limitations of classic open surgery in terms of complications.

  9. Use of an Irrigation Pump System in Arthroscopic Procedures.

    Science.gov (United States)

    Hsiao, Mark S; Kusnezov, Nicholas; Sieg, Ryan N; Owens, Brett D; Herzog, Joshua P

    2016-05-01

    Since its inception, arthroscopic surgery has become widely adopted among orthopedic surgeons. It is therefore important to have an understanding of the basic principles of arthroscopy. Compared with open techniques, arthroscopic procedures are associated with smaller incisions, less structural damage, improved intra-articular visualization, less pain in the immediate postoperative period, and faster recovery for patients. Pump systems used for arthroscopic surgery have evolved over the years to provide improved intraoperative visualization. Gravity flow systems were described first and are still commonly used today. More recently, automated pump systems with pressure or dual pressure and volume control have been developed. The advantages of automated irrigation systems over gravity irrigation include a more consistent flow, a greater degree of joint distention, improved visualization especially with motorized instrumentation, decreased need for tourniquet use, a tamponade effect on bleeding, and decreased operative time. Disadvantages include the need for additional equipment with increased cost and maintenance, the initial learning curve for the surgical team, and increased risk of extra-articular fluid dissection and associated complications such as compartment syndrome. As image quality and pump systems improve, so does the list of indications including diagnostic and treatment modalities to address intra-articular pathology of the knee, shoulder, hip, wrist, elbow, and ankle joints. This article reviews the current literature and presents the history of arthroscopy, basic science of pressure and flow, types of irrigation pumps and their functions, settings, applications, and complications. [Orthopedics. 2016; 39(3):e474-e478.].

  10. Analysis of Direct Costs of Outpatient Arthroscopic Rotator Cuff Repair.

    Science.gov (United States)

    Narvy, Steven J; Ahluwalia, Avtar; Vangsness, C Thomas

    2016-01-01

    Arthroscopic rotator cuff surgery is one of the most commonly performed orthopedic surgical procedures. We conducted a study to calculate the direct cost of arthroscopic repair of rotator cuff tears confirmed by magnetic resonance imaging. Twenty-eight shoulders in 26 patients (mean age, 54.5 years) underwent primary rotator cuff repair by a single fellowship-trained arthroscopic surgeon in the outpatient surgery center of a major academic medical center. All patients had interscalene blocks placed while in the preoperative holding area. Direct costs of this cycle of care were calculated using the time-driven activity-based costing algorithm. Mean time in operating room was 148 minutes; mean time in recovery was 105 minutes. Calculated surgical cost for this process cycle was $5904.21. Among material costs, suture anchor costs were the main cost driver. Preoperative bloodwork was obtained in 23 cases, adding a mean cost of $111.04. Our findings provide important preliminary information regarding the direct economic costs of rotator cuff surgery and may be useful to hospitals and surgery centers negotiating procedural reimbursement for the increased cost of repairing complex tears.

  11. ARTHROSCOPIC TREATMENT OF OSTEOCHONDRAL LESIONS OF THE TALUS

    Science.gov (United States)

    de Araujo, Mariana Korbage; de Cillo, Mario Sergio Paulillo; Bittar, Cinthia Kelly; Zabeu, José Luis Amin; Cezar, Caroliny Nociti Moreira

    2016-01-01

    ABSTRACT Objective: To assess pain and function of the ankle in patients with injuries up to 1.5 cm diameter by the American Orthopaedic Foot and Ankle Society (AOFAS) score after arthroscopic treatment. Methods: The AOFAS scale was applied before and after arthroscopy, as well as the degree of subjective satisfaction of ambulatory patients. Patients with type I osteochondral injuries, acute trauma, using plaster, presenting lesions in other joints of the lower limbs and cognitive impairment that would prevent the application of the satisfaction questionnaire were excluded from the study. Statistical analysis was performed using unpaired t test with Welch correction, Mann Whitney test, and ANOVA, with Kruskal Wallis test and Dun test, considering p value lower than 0.05. Results: There was an increased AOFAS scores after arthroscopic treatment in 52 (94.5%) patients. The mean values of AOFAS score in 55 patients was 77.32 ± 6.67 points preoperative and 93.10± 8.24 points postoperative, with a mean variation of 15.8 points, p0.05. Conclusion: Patients with stage II, III or IV osteochondral injuries of the talus of up to 1.5 cm diameter, whether medial or lateral, showed a significant improvement after arthroscopic treatment. Level of Evidence III, Retrospective Study. PMID:26997911

  12. [Arthroscopical subtalar arthrodesis for malunion of calcaneal fractures].

    Science.gov (United States)

    Mi, Kun; Liu, Pengfei; Liu, Wu; Feng, Zhibin

    2010-07-01

    To evaluate the clinical results of arthroscopical subtalar arthrodesis for malunion of calcaneal fractures. Between July 2006 and December 2008, 12 cases of malunion of calcaneal fractures were treated with arthroscopical subtalar arthrodesis, including 10 males and 2 females with an age range of 38-54 years (44.8 years on average). The location was left side in 5 cases and right side in 7 cases. The injury was caused by falling from height in 8 cases, by traffic accident in 3 cases, and other in 1 case. It was 3-7 months from injury to operation. All cases were classified as Stephens type II. The total score was 35.68 +/- 10.35 and the pain score was 8.14 +/- 1.83 before operation according to Hindfoot scores system of American Orthopaedic Foot & Ankle Society (AOFAS). All incisions achieved primary healing and the patients were all followed up 14-32 months (18 months on average). The X-ray films showed bony fusion after 10-14 weeks (11.5 weeks on average). The total score was 76.45 +/- 9.83 and the pain score was 1.52 +/- 1.48 after operation according to Hindfoot scores system of AOFAS, showing significant difference when compared with those before operation (P < 0.01). Arthroscopical subtalar arthrodesis can get satisfactory fusion rate with few complications for malunion of calcaneal fractures.

  13. ARTHROSCOPIC RECONSTRUCTION OF ANTERIO R CRUCIATE LIGAMENT TEARS: OUR EXPERIENCE

    Directory of Open Access Journals (Sweden)

    Thimma Reddy

    2015-09-01

    Full Text Available BACKGROUND: Anterior knee instability associated with rupture of the ACL (Anterior Cruciate Ligament is a disabling clinical problem. The ACL has a poor capacity for intrinsic repair. Thus for patients who have knee symptoms related to ACL deficiency, one may consider ligament reconstruction as a means of stabilizing the T ibio - F emoral articulation and restoring high level function of the knee joint. Arthroscopically assisted ACLR ( ACL Reconstruction has the advantage of being minimally invasive, accurate graft placement, less disturbance of normal tissue resulting in quicker recovery and rehabilitation, minimal hospital stay and very less infection rate. MATERIAL AND METHODS: Between April 2012 to May 2013, 30 patients who underwent arthroscopic assisted ACL reconstructions using either bone - patellar tendon - bone auto graft ( BTB or Quadrupled hamstring auto graft ( QHG or Quadriceps tendon graft ( QTG in the Department of Orthopaedics and Traumatology, Osmania Medical College, Hyderabad, Andhra Pradesh is the material in our study. CONCLUSIONS : Arthroscopic reconstruction of Anterior Cruciate Ligament is a reliable, safe procedure. It helps in the early restoration of function and stability of the Knee joint and helps the patient to get back to his normal activity much earlier than with the traditional open surgical methods. The choice of the graft does not play a major role in the function of the knee in the long run.

  14. Prognostic factors of arthroscopic adhesiolysis for arthrofibrosis of the knee.

    Science.gov (United States)

    Kim, Young-Mo; Joo, Yong Bum

    2013-12-01

    To assess the results of arthroscopic adhesiolysis for arthrofibrosis of the knee and to investigate possible prognostic factors. Among the patients who developed arthrofibrosis after knee joint surgery, 68 patients who underwent arthroscopic adhesiolysis and were available for at least one-year follow-up were evaluated with regard to the Lysholm knee score, International Knee Documentation Committee (IKDC) subjective knee score, patient satisfaction, and range of motion (ROM) of the knee. The influence of possible prognostic factors including the cause of arthrofibrosis, duration of disease, and age of the patient on the postoperative ROM was analyzed. Sixty-one patients (89.7%) obtained an average increase of 48.6° in ROM; however, the remaining seven patients (10.3%) did not show any increase at the final follow-up. The Lysholm knee score and IKDC subjective knee score increased significantly at the final follow-up. Patient satisfaction was high or very high in 89.7% of the patients at the final follow-up. There was no association between the cause of arthrofibrosis and the increase in postoperative ROM. The duration of disease was significantly related to the postoperative recovery of ROM. Age had no significant influence on the postoperative recovery of ROM. We believe that arthroscopic adhesiolysis is effective for the treatment of intraarticular arthrofibrosis. In particular, the duration of the disease had significant influence on the postoperative outcome.

  15. Arthroscopic debridement of osteoarthritic elbow in professional athletes

    Institute of Scientific and Technical Information of China (English)

    YAN Hui; CUI Guo-qing; WANG Jian-quan; YIN Yu; AO Ying-fang

    2011-01-01

    Background Arthroscopic debridement is an appropriate procedure for osteoarthritic elbow in general populations.However,the results of arthroscopic debridement in the professional athletes,a younger and highly active patient cohort is unclear.The purposes of this study were to assess the clinical outcomes of arthroscopic debridement of osteoarthritic elbow in professional athletes and to evaluate the effect of prognostic factors on the clinical outcomes.Methods From January 1999 to January 2006,35 professional athletes with osteoarthritc elbow (36 elbows) were treated with arthroscopic debridement,consisted of osteophytes removal,loose bodies removal and fenestration of the olecranon fossa as necessary.Average patient age was (23±5) years (range 7-34 years).Average follow-up was (43±23) months (range 16-98 months).Athletic activities consisted mainly of wrestling,judo and weightlifting.Patients were evaluated preoperatively and postoperatively with the modified Hospital for Special Surgery (HSS) elbow scoring system.Results According to the modified HSS elbow scoring system,the result was excellent for 16 elbows,good for 14 and poor for 6.No case had got worse after surgery.All athletes reported an improvement in pain.After athletic training,15 elbows were not painful,16 mildly painful,3 moderately painful and 2 severely painful.The arc of flexion-extension improved from 111 ° preoperatively to 127° postoperatively.All of the athletes were able to return to their previous level of training.Five athletes won national-level championships.At follow-up,17 athletes (18 elbows) were greatly satisfied with the results,12 satisfied and 6 unsatisfied.Postoperatively,one athlete reported ulnar nerve symptoms and two others had residual loose bodies.The fenestration of the olecranon fossa was associated with a significantly increased chance of a poor outcome.The nature of the osteoarthritis,duration of symptoms,osteophytes removal and loose bodies removal did not predict

  16. Osteoarthritis Classification Scales: Interobserver Reliability and Arthroscopic Correlation

    Science.gov (United States)

    Wright, Rick W.; Ross, James R.; Haas, Amanda K.; Huston, Laura J.; Garofoli, Elizabeth A.; Harris, David; Patel, Kushal; Pearson, David; Schutzman, Jake; Tarabichi, Majd; Ying, David; Albright, John P.; Allen, Christina R.; Amendola, Annunziato; Anderson, Allen F.; Andrish, Jack T.; Annunziata, Christopher C.; Arciero, Robert A.; Bach, Bernard R.; Baker, Champ L.; Bartolozzi, Arthur R.; Baumgarten, Keith M.; Bechler, Jeffery R.; Berg, Jeffrey H.; Bernas, Geoffrey A.; Brockmeier, Stephen F.; Brophy, Robert H.; Bush-Joseph, Charles A.; Butler V, J. Brad; Campbell, John D.; Carpenter, James E.; Cole, Brian J.; Cooper, Daniel E.; Cooper, Jonathan M.; Cox, Charles L.; Creighton, R. Alexander; Dahm, Diane L.; David, Tal S.; DeBerardino, Thomas M.; Dunn, Warren R.; Flanigan, David C.; Frederick, Robert W.; Ganley, Theodore J.; Gatt, Charles J.; Gecha, Steven R.; Giffin, James Robert; Hame, Sharon L.; Hannafin, Jo A.; Harner, Christopher D.; Harris, Norman Lindsay; Hechtman, Keith S.; Hershman, Elliott B.; Hoellrich, Rudolf G.; Hosea, Timothy M.; Johnson, David C.; Johnson, Timothy S.; Jones, Morgan H.; Kaeding, Christopher C.; Kamath, Ganesh V.; Klootwyk, Thomas E.; Lantz, Brett A.; Levy, Bruce A.; Ma, C. Benjamin; Maiers, G. Peter; Mann, Barton; Marx, Robert G.; Matava, Matthew J.; Mathien, Gregory M.; McAllister, David R.; McCarty, Eric C.; McCormack, Robert G.; Miller, Bruce S.; Nissen, Carl W.; O’Neill, Daniel F.; Owens, LTC Brett D.; Parker, Richard D.; Purnell, Mark L.; Ramappa, Arun J.; Rauh, Michael A.; Rettig, Arthur; Sekiya, Jon K.; Shea, Kevin G.; Sherman, Orrin H.; Slauterbeck, James R.; Smith, Matthew V.; Spang, Jeffrey T.; Spindler, Kurt P.; Stuart, Michael J.; Svoboda, LTC Steven J.; Taft, Timothy N.; Tenuta, COL Joachim J.; Tingstad, Edwin M.; Vidal, Armando F.; Viskontas, Darius G.; White, Richard A.; Williams, James S.; Wolcott, Michelle L.; Wolf, Brian R.; York, James J.; Carey, James L.

    2014-01-01

    Background: Osteoarthritis of the knee is commonly diagnosed and monitored with radiography. However, the reliability of radiographic classification systems for osteoarthritis and the correlation of these classifications with the actual degree of confirmed degeneration of the articular cartilage of the tibiofemoral joint have not been adequately studied. Methods: As the Multicenter ACL (anterior cruciate ligament) Revision Study (MARS) Group, we conducted a multicenter, prospective longitudinal cohort study of patients undergoing revision surgery after anterior cruciate ligament reconstruction. We followed 632 patients who underwent radiographic evaluation of the knee (an anteroposterior weight-bearing radiograph, a posteroanterior weight-bearing radiograph made with the knee in 45° of flexion [Rosenberg radiograph], or both) and arthroscopic evaluation of the articular surfaces. Three blinded examiners independently graded radiographic findings according to six commonly used systems—the Kellgren-Lawrence, International Knee Documentation Committee, Fairbank, Brandt et al., Ahlbäck, and Jäger-Wirth classifications. Interobserver reliability was assessed with use of the intraclass correlation coefficient. The association between radiographic classification and arthroscopic findings of tibiofemoral chondral disease was assessed with use of the Spearman correlation coefficient. Results: Overall, 45° posteroanterior flexion weight-bearing radiographs had higher interobserver reliability (intraclass correlation coefficient = 0.63; 95% confidence interval, 0.61 to 0.65) compared with anteroposterior radiographs (intraclass correlation coefficient = 0.55; 95% confidence interval, 0.53 to 0.56). Similarly, the 45° posteroanterior flexion weight-bearing radiographs had higher correlation with arthroscopic findings of chondral disease (Spearman rho = 0.36; 95% confidence interval, 0.32 to 0.39) compared with anteroposterior radiographs (Spearman rho = 0.29; 95

  17. Arthroscopic autologous bone graft with arthroscopic Bankart repair for a large bony defect lesion caused by recurrent shoulder dislocation.

    Science.gov (United States)

    Mochizuki, Yu; Hachisuka, Hiroki; Kashiwagi, Kenji; Oomae, Hiromichi; Yokoya, Shin; Ochi, Mitsuo

    2007-06-01

    Many clinicians believe that a large bony defect of the glenoid must be treated with bone grafting when a Bankart procedure is performed. Various types of bone graft, such as open bone graft, Eden-Hybinnette, J-bone graft, coracoid transfer, and Latarjet, have been used. These require open procedures that are difficult to perform arthroscopically. We performed an arthroscopic autologous bone graft and an arthroscopic Bankart repair at the same time to treat a patient with recurrent dislocation of the shoulder joint and a large bony Bankart lesion. We harvested from the lateral site of the acromion 2 bones that were 2.7 mm in cylindrical diameter. We transplanted these bones to the large bony defect of the anteroinferior area of the glenoid and placed anchors between the 2 plugs. During the 30 months since the surgery was performed, the patient has not experienced dislocation or apprehension about the shoulder. A 3-dimensional computed tomography scan showed enlargement of the glenoid surface. Our surgical procedure offers promise for treatment of patients with recurrent dislocation of the shoulder joint and a large bony Bankart lesion because it allows the surgeon to alter the size and the grafted site of the cylindrical bone according to the size of the defect.

  18. Arthroscopic washout of the ankle for septic arthritis in a three-month-old boy

    Directory of Open Access Journals (Sweden)

    Hagino Tetsuo

    2011-10-01

    Full Text Available Abstract There is no report of athroscopic treatment for septic arthritis of the ankle in infants. We report a case of successful management of septic arthritis of the ankle in a three-month-old boy by arthroscopic washout. Arthroscopic washout may be a useful treatment for septic arthritis in young infants when performed early after onset.

  19. Ultrasonography-assisted arthroscopic proximal iliotibial band release and trochanteric bursectomy.

    Science.gov (United States)

    Weinrauch, Patrick; Kermeci, Sharon

    2013-01-01

    We describe arthroscopic iliotibial band release and trochanteric bursectomy assisted by intraoperative ultrasonography for accurate placement of arthroscopic portals and to ensure adequate decompression of the peritrochanteric space. We have found ultrasonography for endoscopic iliotibial band release a useful tool to assist with localizing the site and length of decompression.

  20. ARTHROSCOPIC TREATMENT OF THE LATERAL ELBOW PAIN –OUR EXPERIENCE

    Directory of Open Access Journals (Sweden)

    Oskar Zupanc

    2008-01-01

    Arthroscopic treatment of the lateral elbow pain has been proved to be very effectiveespecially in younger population and in patients with early elbow osteoarthritis. The lengthof hospital stay is reduced. However, the length of rehabilitation depends on the stage ofelbow osteoarthritis and extensiveness of the arthroscopic intervention

  1. Deep vein thrombosis and thromboprophylaxis in arthroscopic anterior cruciate ligament reconstruction

    Directory of Open Access Journals (Sweden)

    Raviraj Adala

    2011-01-01

    Conclusion: In our study the incidence of deep vein thrombosis in patients undergoing arthroscopic ACL reconstruction is 1.78%. We do not recommend routine thromboprophylaxis in patients, who are not high risk candidates for thrombosis and are of less than 45 years, in patients undergoing arthroscopic ACL reconstruction, with early postoperative rehabilitation.

  2. ARTHROSCOPIC DEBRIDEMENT IN OSTEOARTHROSIS OF KNEE JOINT - ANALYSIS OF SHORT TERM BENEFITS

    OpenAIRE

    Jayakrishnan; Gudi; Sujai; Fardeen; Siddalinga Swamy

    2015-01-01

    BACKGROUND: Many studies have reported symptomatic relief after arthroscopic debridement of knee for osteoarthrosis. The purpose of the study is to find out the outcome of arthroscopic debridement in osteoarthrosis of knee and to arrive at a consensus regarding the subsets of patients with osteoarthrosis who will benefit from the procedure. M...

  3. Functional outcome after arthroscopic repair of triple shoulder instability

    Directory of Open Access Journals (Sweden)

    Glaydson Gomes Godinho

    Full Text Available ABSTRACT OBJECTIVE: To evaluate the functional outcomes of patients submitted to arthroscopic repair of triple labral lesion. METHODS: This was an analytical retrospective study of patients who underwent arthroscopic treatment of triple labral lesion from March 2005 to December 2014. Patients with at least one year of postoperative follow-up were included. A total of nine patients were evaluated. The mean age was 32.3 years and the dominant side was affected in five patients. Patients were functionally assessed regarding the range of motion (ROM in elevation, external rotation with the arm close to the body the arm in abduction of 90°, and internal rotation, and by the Carter-Rowe score. The degree of satisfaction was assessed at the end of the follow-up period. RESULTS: Three patients had less than five episodes of instability, four patients had between five and ten episodes, and two patients had more than ten episodes. Seven patients had positive O'Brien test for SLAP lesions and positive apprehension test in abduction and external rotation, and only one patient had apprehension in adduction and internal rotation. Three patients persisted with positive O'Brien test and one with apprehension in abduction and external rotation at the end of follow-up. The range of motion was complete in all cases. The median Carter-Rowe score increased from 40 preoperatively to 90 (p = 0.008. CONCLUSION: The arthroscopic repair of triple labral lesions allows for the restoration of the stability of the glenohumeral joint, achieving excellent functional results.

  4. Arthroscopic laser in intra-articular knee cartilage disorders

    Science.gov (United States)

    Nosir, Hany R.; Siebert, Werner E.

    1996-12-01

    Different assemblies have endeavored to develop arthroscopic laser surgery. Various lasers have been tried in the treatment of orthopaedic problems, and the most useful has turned out to be the Hol-YAG laser 2.1 nm which is a near- contact laser. By using the laser as a powerful tool, and cutting back on the power level, one is able to better achieve the desired treatment effect. Clinical studies to evaluating the role of the laser in different arthroscopic knee procedures, comparing to conventional techniques, showed that the overall outcome attains a momentous confidence level which is shifted to the side of the laser versus the conventional for all maneuvers, barring meniscectomy where there is not perceiving disparity between laser versus the conventional. Meniscectomy continues to be one of the most commonly performed orthopaedic procedures. Laser provides a single tool which can ablate and debride meniscal rims with efficiency and safety. Chondroplasty can also be accomplished with ease using defocused laser energy. Both lateral release and soft tissue cermilization benefit from the cutting effect of laser along with its hemostatic effect. Synovial reduction with a defocused laser is also easily accomplished. By one gadget, one can cut, ablate, smooth, coagulate, congeal and with authentic tissue depth control The future of laser arthroscopic surgery lies in its ability to weld or repair tissues. Our research study has shown that laser activated photoactive dyes can produce a molecular bonding of collagen fibers, and therefore a repair 'weld' can be achieved with both meniscal tissues and with articular cartilage lesions.

  5. Open Latarjet procedure for failed arthroscopic Bankart repair.

    Science.gov (United States)

    Flinkkilä, T; Sirniö, K

    2015-02-01

    This retrospective study assessed the functional results of open Latarjet operation for recurrence of instability after arthroscopic Bankart repair in a consecutive series of patients. Fifty two patients (mean age 28.4 [range 17-62] years, 45 men) were operated on using open Latarjet operation after one (n=46) or two (n=6) failed arthroscopic Bankart repairs. The indication for revision surgery was recurrent dislocation or subluxation. Fifty patients had a Hill-Sachs lesion and 32 patients had glenoid bone lesions on plain radiographs. No attempt was made to grade the severity of bony pathology. Functional outcome and stability of 49 shoulders were assessed after an average follow-up of 38 (range 24-85) months using Western Ontario Shoulder Instability (WOSI) score, Oxford shoulder instability score, and subjective shoulder value (SSV). Forty-two patients had a stable shoulder at follow-up. Seven of 49 (14%) had symptoms of instability; one patient had recurrent dislocation, and six patients had subluxations. Mean WOSI, Oxford, and SSV scores were 83.9, 19.9, and 84.9, respectively. All scores were significantly better in patients who had a stable shoulder compared with those who had an unstable shoulder (WOSI 86.8 vs. 64.3; Oxford 18.2 vs. 30.8; and SSV 88.3 vs. 61.7; PLatarjet operation is a good option for failed arthroscopic Bankart repair. The instability recurrence rate is acceptable and the reoperation rate was low. Level IV, retrospective case series. Copyright © 2014 Elsevier Masson SAS. All rights reserved.

  6. Arthroscopic treatment of refractory adhesive capsulitis of the shoulder

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    Marcos Rassi Fernandes

    Full Text Available OBJECTIVE: to evaluate the results of arthroscopic treatment of refractory adhesive capsulitis of the shoulder associated as for improved range of motion after a minimum follow up of six years. METHODS: from August 2002 to December 2004, ten patients with adhesive capsulitis of the shoulder resistant to conservative treatment underwent arthroscopic surgery. One interscalene catheter was placed for postoperative analgesia before the procedure. All were in Phase II, with a minimum follow up of two years. The mean age was 52.9 years (39-66, predominantly female (90%, six on the left shoulder. The time between onset of symptoms and surgical treatment ranged from six to 20 months. Four adhesive capsulitis were found to be primary (40% and six secondary (60%. RESULTS: the preoperative mean of active anterior elevation was 92°, of external rotation was 10.5° of the L5 level internal rotation; the postoperative ones were 149°, 40° and T12 level, respectively. Therefore, the average gain was 57° for the anterior elevation, 29.5° for external rotation in six spinous processes. There was a significant difference in movements' gains between the pre and post-operative periods (p<0.001. By the Constant Score (range of motion, there was an increase of 13.8 (average pre to 32 points (average post. CONCLUSION: the arthroscopic treatment proved effective in refractory adhesive capsulitis of the shoulder resistant to conservative treatment, improving the range of joint movements of patients evaluated after a minimum follow up of six years.

  7. Clinicoanatomic study of optimal arthroscopic approaches to the elbow

    Directory of Open Access Journals (Sweden)

    I. A. Kuznetsov

    2015-01-01

    Full Text Available The purpose: development and topographic substantiation of optimal arthroscopic approaches to the elbow, taking into account the location of the neurovascular structures in different functional positions. Material and methods: Anatomical relationships of elbow nerves and bony structures were studied by dissection of non-fixed anatomical material (6 elbow joints. To investigate the variant anatomy of the brachial artery, MRI in 23 patients were performed. In 10 patients the authors used ultrasound to study the topographic relationships of elbow nerve structures at different functional positions of the upper extremity Variability of the brachial artery deviation, depending on the angle of elbow flexion, was studied in six angiograms of non-fixed anatomical material. Statistical analysis was performed using Instant + and Past 306 software. Results: It was found that elbow flexion of 180°-90° moves the brachial artery away from the bones with a maximum distance from the humerus of 5 cm above the joint space. Distance increases from 23.5±3.1 mm to 23.9±3.1 mm. In 90° elbow flexion radial and median nerves are at the maximum distance from bony structures - 16.01±0.43 and 20.48±0.28 mm, respectively. Conclusion: These findings allowed justification of the conclusion that the lateral arthroscopic approaches to the elbow are the safest. It is possible to perform two lateral arthroscopic approaches: optical and instrumental, without conflict with major neurovascular structures. The optimal position for the surgery is 90° elbow flexion.

  8. [Knee dislocation: concurrent arthroscopic ACL and PCL reconstruction - operating technique].

    Science.gov (United States)

    Piontek, Tomasz; Ciemniewska-Gorzela, Kinga; Szulc, Andrzej

    2008-01-01

    Injuries involving knee luxation or subluxation generally result in damage to two or three out of the four major ligaments which stabilize this joint. Past treatment of this type of multiligament injuries, consisting in 6- to 12-week immobilization in a plaster cast, does not allow for restoration of the normal, anatomical course of these ligaments. A consequence of this type of healing, which involves the formation of random scars in place of ligaments, is mechanical and functional instability of the knee joint. The goal of this article is to present a classification of multiligament knee injuries and surgical treatment options. We also present our own technique of arthroscopic, concurrent reconstruction of knee joint ligaments. The study material consisted of 20 patients who underwent surgical treatment for multiligament knee injuries in the Department of Pediatric Orthopedics and Traumatology in Poznań. We performed concurrent arthroscopic reconstruction of ACL and PCL in all 20 patients. In addition, reconstruction of the medial complex was performed in 7 patients, and lateral complex was reconstructed in another 7 patients. In three cases we stitched the medial meniscus using a Smith & Nephew FasT-Fix system, and partial menisectomy was performed in 2 patients. The details of the proposed concurrent arthroscopic ACL and PCL reconstruction are extensively discussed. One of the advantages of this operating technique is the exclusive use of autogenous ST and GR tendon grafts for reconstruction of all damaged knee joint structures. The presented operating technique makes possible the reconstruction of all damaged knee joint ligaments in less than two hours, which in turn allows the surgery to be performed in an ischemic setting using an Esmarch band around the limb.

  9. Arthroscopic Management of Complications Following Total Ankle Replacement.

    Science.gov (United States)

    Lui, Tun Hing; Roukis, Thomas S

    2015-10-01

    There is great potential of managing the complications of total ankle replacement arthroscopically and endoscopically, and these procedures can be summarized into 3 groups. Group 1 includes procedures of the ankle joint proper with close proximity to the articular components of the total ankle replacement. Group 2 includes procedures of the tibia and talus with close proximity to the nonarticular parts of the total ankle replacement. Group 3 includes procedures that are away from the total ankle replacement. However, these remain master arthroscopist procedures and should be performed by foot and ankle surgeons who perform them with regularity.

  10. Arthroscopic Technique for Acetabular Labral Reconstruction Using Iliotibial Band Autograft.

    Science.gov (United States)

    Chahla, Jorge; Soares, Eduardo; Bhatia, Sanjeev; Mitchell, Justin J; Philippon, Marc J

    2016-06-01

    The dynamic function of the acetabular labrum makes it an important structure for both hip stability and motion. Because of this, injuries to the labrum can cause significant dysfunction, leading to altered hip kinematics. Labral repair is the gold standard for symptomatic labral tears to keep as much labral tissue as possible; however, in cases where the labrum has been injured to such a degree that it is either deficient or repair is not possible, arthroscopic labral reconstruction is preferred. This article describes our preferred approach for reconstruction of the acetabular labrum using iliotibial band autograft.

  11. Arthroscopic Revision Surgery for Failure of Open Latarjet Technique.

    Science.gov (United States)

    Cuéllar, Adrián; Cuéllar, Ricardo; de Heredia, Pablo Beltrán

    2017-05-01

    To evaluate the efficacy in treating pain, limited range of motion, and continued instability of the Latarjet open technique via the use of arthroscopy. A retrospective review of patients who underwent arthroscopic capsule plication after failure of an open Latarjet technique was performed. Revision surgery was indicated in cases of recurrent instability and associated pain. Only patients with a glenoid defect Latarjet with a glenoid bone defect Latarjet procedures. Level IV, therapeutic case series. Copyright © 2016 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  12. Arthroscopic double-bundle posterior cruciate ligament reconstruction surgical technique.

    Science.gov (United States)

    Fanelli, Gregory C; Beck, John D; Edson, Craig J

    2010-06-01

    The keys to successful posterior cruciate ligament (PCL) reconstruction are to identify and treat all pathology, use strong graft material, accurately place tunnels in anatomic insertion sites, minimize graft bending, use a mechanical graft tensioning device, use primary and back-up graft fixation, and use the appropriate postoperative rehabilitation program. Adherence to these technical principles results in successful single-bundle and double-bundle arthroscopic transtibial tunnel PCL reconstruction based on stress radiography, arthrometer, knee ligament rating scales, and patient satisfaction measurements.

  13. Arthroscopic Management of Anterior, Posterior, and Multidirectional Shoulder Instabilities.

    Science.gov (United States)

    Field, Larry D; Ryu, Richard K N; Abrams, Jeffrey S; Provencher, Matthew

    2016-01-01

    Arthroscopic shoulder stabilization offers several potential advantages compared with open surgery, including the opportunity to more accurately evaluate the glenohumeral joint at the time of diagnostic assessment; comprehensively address multiple pathologic lesions that may be identified; and avoid potential complications unique to open stabilization, such as postoperative subscapularis failure. A thorough understanding of normal shoulder anatomy and biomechanics, along with the pathoanatomy responsible for anterior, posterior, and multidirectional shoulder instability patterns, is very important in the management of patients who have shoulder instability. The treating physician also must be familiar with diagnostic imaging and physical examination maneuvers that are required to accurately diagnose shoulder instability.

  14. Arthroscopic Knotless Peripheral Ulnar-Sided TFCC Repair.

    Science.gov (United States)

    Geissler, William B

    2015-05-01

    This article describes the indications and technique for all-arthroscopic knotless repair of a peripheral tear to the triangular fibrocartilage complex (TFCC). The advantage of this technique is that it allows repair of the articular disk back to the fovea of the ulna without any suture knots to irritate the patient. The learning curve is steep, but once learned, this technique can be performed very quickly and is faster. There are no knots to irritate the patient, and in the author's opinion, there is quicker pain relief than with other techniques.

  15. Midterm clinical outcomes following arthroscopic transosseous rotator cuff repair

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    Brody A Flanagin

    2016-01-01

    Full Text Available Purpose: Arthroscopic transosseous (TO rotator cuff repair has recently emerged as a new option for surgical treatment of symptomatic rotator cuff tears. Limited data is available regarding outcomes using this technique. This study evaluated midterm clinical outcomes following a novel arthroscopic TO (anchorless rotator cuff repair technique. Materials and Methods: A consecutive series of 107 patients and 109 shoulders underwent arthroscopic TO (anchorless rotator cuff repair for a symptomatic full-thickness tear. Pre and postoperative range of motion (ROM was compared at an average of 11.8 months. Postoperative outcome scores were obtained at an average of 38.0 months. Statistical analysis was performed to compare pre and postoperative ROM data. Univariate analysis was performed using Student′s t-test to compare the effect of other clinical characteristics on final outcome. Results: Statistically significant improvements were noted in forward flexion, external rotation and internal rotation (P < 0.0001. Average postoperative subjective shoulder value was 93.7, simple shoulder test 11.6, and American Shoulder and Elbow Surgeons (ASES score 94.6. According to ASES scores, results for the 109 shoulders available for final follow-up were excellent in 95 (87.1%, good in 8 (7.3%, fair in 3 (2.8%, and poor in 3 (2.8%. There was no difference in ROM or outcome scores in patients who underwent a concomitant biceps procedure (tenodesis or tenotomy compared with those who did not. Furthermore, there was no significant difference in outcome between patients who underwent either biceps tenodesis or tenotomy. Age, history of "injury" preceding the onset of pain, tear size, number of TO tunnels required to perform the repair, and presence of fatty infiltration did not correlate with postoperative ROM or subjective outcome measures at final follow-up. Two complications and four failures were noted. Conclusions: Arthroscopic TO rotator cuff repair technique

  16. Comparison of arthroscopic and open Latarjet with a learning curve analysis.

    Science.gov (United States)

    Cunningham, G; Benchouk, S; Kherad, O; Lädermann, A

    2016-02-01

    To compare arthroscopic and open Latarjet performed by a single shoulder surgeon with learning curve analysis A comparative and learning curve analysis was carried out on a prospectively gathered database of 2 consecutive series of patients treated with arthroscopic and open Latarjet procedures performed by a single shoulder surgeon between 2008 and 2014. The database included patient characteristics, ISIS scores, operative time, intra- and postoperative complications, graft and screws positioning, as well as pre- and postoperative Walch-Duplay scores. Sixty-four patients were included in the study, 28 in the arthroscopic group and 36 in the open group with similar age, sex ratio and preoperative ISIS score. Operative time was significantly higher in the arthroscopic group (146 versus 81 min, p = 0.001), and although no intra-operative complications were recorded in either group, there were significantly more postoperative complications in the arthroscopic group (29 vs. 11 %, p = 0.03). Screw placement was more accurate in the open group, and postoperative Walch-Duplay score did not show any significant difference between the groups (88 points in the arthroscopic group and 91 points in the open group). The arthroscopic Latarjet learning curve analysis showed that the need for conversion ceased after the first 10 patients and that surgical time came close to that of open procedure after 20 procedures. In this study, 10 arthroscopic Latarjet procedures were needed to overcome the need for conversion, and 20 procedures to achieve equal operating time to the open technique. Even though functional outcome and patient satisfaction were similar in both techniques, complications, screw placement inaccuracy, persistent apprehension and recurrences still remain higher with the arthroscopic technique. Retrospective comparative analysis, Level III.

  17. Fragmentation functions of $g\\rightarrow \\eta_c (^{1}S_0)$ and $g\\rightarrow J/\\psi (^{3}S_1)$ considering the role of heavy quarkonium spin

    CERN Document Server

    Nejad, S M Moosavi

    2015-01-01

    The production of heavy quarkonia is a powerful tool to test our understanding of strong interaction dynamics. It is well-known that the dominant production mechanism for heavy quarkonia with large transverse momentum is fragmentation. In this work we, analytically, calculate the QCD leading order contribution to the process-independent fragmentation functions (FFs) for a gluon to split into the vector ($J/\\psi$) and pseudoscalar ($\\eta_c$) $S$-wave charmonium states. The analyses of this paper differ in which we present, for the first time, an analytical form of the $g\\rightarrow J/\\psi$ FF using a different approach (Suzuki's model) in comparison with other results presented in literatures, where the Braaten's scheme was used and the two-dimensional integrals were presented for the gluon FFs which must be evaluated numerically. The universal fragmentation probability for the $g\\rightarrow J/\\psi$ is about $10^{-6}$ which is in good consistency with the result obtained in the Braaten's model.

  18. Arthroscopic Resection of The Distal Clavicle With Concomitant Subacromial Decompression: A Case Series

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    HZ Chan

    2014-07-01

    Full Text Available Shoulder impingement syndrome and acromioclavicular joint osteoarthritis often occur simultaneously and easily missed. Kay et al. reported excellent results with combined arthroscopic subacromial decompression and resection of the distal end of the clavicle in patients with both disorders. Arthroscopic treatment of these disorders produces more favourable results than open procedures. We report two patients who were not responding to conservative management and were treated with direct arthroscopic distal clavicle excision and subacromial decompression in single setting. Both patients gained good postoperative outcome in terms of pain score, function and strength improvement assessed objectively with visual analogue score (VAS and University of California Los Angeles Score (UCLA.

  19. Arthroscopic Excision of an Intraarticular Osteoid Osteoma in the Distal Femur

    Science.gov (United States)

    Kang, Suk; Kim, Young Sung; Lee, Ho Min; Lee, Min Young

    2016-01-01

    An intraarticular osteoid osteoma of the knee is uncommon, and its treatment is challenging. The authors present a case of arthroscopic excision of an intraarticular osteoid osteoma in the distal femur, which was accessible through the knee joint. After confirming the nidus of the osteoid osteoma by computed tomography, the lesion was completely removed arthroscopically. The patient reported complete pain relief immediately after surgery. This case demonstrates that intraarticular osteoid osteomas in the knee joint can be treated by arthroscopic excision and that good results can be obtained. PMID:27904732

  20. Arthroscopic Bony Bankart Repair Using Double-Threaded Headless Screw: A Case Report

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    Takeshi Kokubu

    2012-01-01

    Full Text Available We present a case of arthroscopic fixation for bony Bankart lesion using a double-threaded cannulated screw. A 39-year-old man sustained a left shoulder injury from a motorcycle accident. Radiographs showed bony Bankart lesion and CT revealed 40% defect of glenoid articular surface. Arthroscopic fixation was performed using double-threaded cannulated screw after the bony fragment was reduced by suturing the labrum at the edge with a suture anchor. Arthroscopic bony Bankart repair using double-threaded cannulated screw fixation is effective because compression force could be applied between bony fragments and the screw head is not exposed in the glenohumeral joint.

  1. A STUDY OF ARTHROSCOPIC MANAGEMENT OF MENISCAL INJURIES

    Directory of Open Access Journals (Sweden)

    Ramesh

    2015-09-01

    Full Text Available BACKGROUND : Meniscal injuries are common as a result of sports related injuries and motor vehicle accidents. Current arthroscopic partial menisectomy / repairs indicated for management of meniscal tears because of early rehabilitation and return to work and minimal complications . MATERIALS AND METHODS: Present study is a hospital based prospective study of 20 adult cases admitted for a period of 14 months, age group involved was between 10 - 40 years with 17 patients were male and 3 patients were female. RESULTS : Meniscal injuries on Right K nee were 11 cases and Left Knee were 9 cases. Type of meniscal tear were longitudinal 10 cases, oblique 5 cases, horizontal 3 cases, radial 1 case and complex (with discoid meniscus tear 1 case. Meniscal injuries associated with partial/complete ACL tear were 6 cases. There was one case of discoid meniscus. Surgery was performed at an average 1 month after Meniscal tear, duration of hospital stay was 3 . 6 days ranging from 3 - 6 days, mean time for earliest return to work was 14.35 days with range 10 - 16 days. Excellent to good results were seen in 95 %.of cases. CONCLUSION : Arthroscopic menisectomy is minimally invasive technique. Advantage of which includes early return to work, minimal complications, early post - operative rehabilitation, Short duration of hos pital stay.

  2. Arthroscopic gluteal muscle contracture release with radiofrequency energy.

    Science.gov (United States)

    Liu, Yu-Jie; Wang, Yan; Xue, Jing; Lui, Pauline Po-Yee; Chan, Kai-Ming

    2009-03-01

    Gluteal muscle contracture is common after repeated intramuscular injections and sometimes is sufficiently debilitating to require open surgery. We asked whether arthroscopic release of gluteal muscle contracture using radiofrequency energy would decrease complications with clinically acceptable results. We retrospectively reviewed 108 patients with bilateral gluteal muscle contractures (57 males, 51 females; mean age, 23.7 years). We used inferior, anterosuperior, and posterosuperior portals. With the patient lying laterally, we developed and enlarged a potential space between the gluteal muscle group and the subcutaneous fat using blunt dissection. Under arthroscopic guidance through the inferior portal, we débrided and removed fatty tissue overlying the contractile band of the gluteal muscle group using a motorized shaver introduced through the superior portal. Radiofrequency then was introduced through the superior portal to gradually excise the contracted bands from superior to inferior. Finally, hemostasis was ensured using radiofrequency. Patients were followed a minimum of 7 months (mean, 17.4 months; range, 7-42 months). At last followup, the adduction and flexion ranges of the hip were 45.3 degrees +/- 8.7 degrees and 110.2 degrees +/- 11.9 degrees, compared with 10.4 degrees +/- 7.2 degrees and 44.8 degrees +/- 14.1 degrees before surgery. No hip abductor contracture recurred and no patient had residual hip pain or gluteal muscle wasting. We found gluteal muscle contracture could be released effectively with radiofrequency energy.

  3. Short Term Results of Arthroscopic Repair of Subscapularis Tendon Tear

    Directory of Open Access Journals (Sweden)

    Zohreh Zafarani

    2009-11-01

    Full Text Available Background:Despite being the largest rotator cuff tendon of the shoulder,the function and clinical relevance of subscapularis pathology has been largely ignored in the literature.Although many studies have focused on subscapularis tears recently,majority of them reported techniques for open repair. The advent of arthroscopy and   arthroscopic repair techniques has opened new frontiers in the diagnosis and repair of torn rotator cuff tendons, including the subscapularis.In this article,we review shortterm results of arthroscopic subscapularis repair. Method: Ten patients with subscapularis tendon tear of the rotator cuff were studied   prospectively including 8 men and 2 women with an average age of 49.7±12.8 years and an average delay in treatment of 23.3 months. Clinical outcomes, including the UCLAscore were assessed in all patients after 3 months of the surgery. Results: 6 patients were followed regularly for more than 6 months,while other 4 patients had a follow-up period of more than a year. The pain score improved from 1.75 to 9 and the UCLA score from 8.8 to 30.6.Conclusions: rthroscopic repair of subscapularis tendon tear results in significant subjective and objective improvement and high levels of patient satisfaction.  

  4. Development of Atomic Force Microscope for Arthroscopic Knee Cartilage Inspection

    Science.gov (United States)

    Imer, Raphaël; Akiyama, Terunobu; de Rooij, Nicolaas F.; Stolz, Martin; Aebi, Ueli; Friederich, Niklaus F.; Koenig, Uwe; Wirz, Dieter; Daniels, A. U.; Staufer, Urs

    2006-03-01

    A recent study, based on ex vivo unconfined compression testing of normal, diseased, and enzymatically altered cartilage, revealed that a scanning force microscope (SFM), used as a nano-intender, is sensitive enough to enable measurement of alterations in the biomechanical properties of cartilage. Based on these ex vivo measurements, we have designed a quantitative diagnosis tool, the scanning force arthroscope (SFA), able to perform in vivo measurements during a standard arthroscopic procedure. For stabilizing and positioning the instrument relative to the surface under investigation, a pneumatic system has been developed. A segmented piezoelectric tube was used to perform the indentation displacement, and a pyramidal nanometer-scale silicon tip mounted on a cantilever with an integrated deflection sensor measured the biomechanical properties of cartilage. Mechanical means were designed to protect the fragile cantilever during the insertion of the instrument into the knee joint. The stability of the pneumatic stage was checked with a prototype SFA. In a series of tests, load-displacement curves were recorded in a knee phantom and, more recently, in a pig’s leg.

  5. Result from arthroscopic surgical treatment of renewed tearing of the rotator cuff of the shoulder

    Directory of Open Access Journals (Sweden)

    Glaydson Gomes Godinho

    2015-02-01

    Full Text Available OBJECTIVES: To evaluate function among patients with postoperative recurrence of rotator cuff injuries that was treated arthroscopically (case series and compare this with function in patients without recurrence (control group; and to compare function among patients with recurrence of rotator cuff injuries that were greater than and smaller than 3 cm.METHODS: This was a retrospective evaluation of patients who underwent arthroscopic revision of rotator cuff injuries using the ASES, Constant & Murley and UCLA scores and a visual analog pain scale, in comparison with patients in a control group who underwent primary rotator cuff repair.RESULTS: The size of the rotator cuff injury recurrence had a statistically significant influence on the result from the arthroscopic surgical treatment. The functional scores showed worse results than those from the first procedure.CONCLUSION: Arthroscopic surgical treatment of renewed tearing of rotator cuff injuries showed worse functional scores than those from primary repair of the injury.

  6. ARTHROSCOPIC TREATMENT OF ACROMIOCLAVICULAR JOINT DISLOCATION BY TIGHT ROPE TECHNIQUE (ARTHREX®)

    Science.gov (United States)

    GÓmez Vieira, Luis Alfredo; Visco, Adalberto; Daneu Fernandes, Luis Filipe; GÓmez Cordero, Nicolas Gerardo

    2015-01-01

    Presenting the arthroscopic treatment by Tight Rope - Arthrex® system for acute acromioclavicular dislocation and to evaluate results obtained with this procedure. Methods: Between August 2006 and May 2007, 10 shoulders of 10 patients with acute acromioclavicular dislocation were submitted to arthroscopic repair using the Tight Rope - Arthrex® system. Minimum follow-up was 12 months, with a mean of 15 months. Age ranged from 26 to 42, mean 34 years. All patients were male. Radiology evaluation was made by trauma series x-ray. The patients were assisted in the first month weekly and after three months after the procedure. Clinical evaluation was based on the University of California at Los Angeles (UCLA) criteria. Results: All patients were satisfied after the arthroscopic procedure and the mean UCLA score was 32,5. Conclusion: The arthroscopic treatment by Tight Rope – Arthrex® system for acute acromioclavicular dislocation showed to be an efficient technique. PMID:26998453

  7. All-arthroscopic iliotibial band autograft harvesting and labral reconstruction technique.

    Science.gov (United States)

    Deshmane, Prashant P; Kahlenberg, Cynthia A; Patel, Ronak M; Han, Brian; Terry, Michael A

    2013-02-01

    The labrum is essential for stability, movement, and prevention of arthritis in the hip. In cases of labral damage where repair of a labral tear is not possible, reconstruction can be a useful alternative. Several different autografts have been used, including the iliotibial band (ITB), the ligamentum teres capitis, and the gracilis tendon. Authors have reported both open and arthroscopic techniques for reconstruction with good preliminary results. However, an all-arthroscopic labral reconstruction technique including the graft harvest and reconstruction portions of a labral reconstruction procedure using an ITB autograft has not been previously described. We describe a technique for an all-arthroscopic labral reconstruction performed using a novel method for arthroscopic harvest of the ITB. The decreased invasiveness of our described technique for labral reconstruction may potentially minimize scarring, bodily disfigurement, infection, and postoperative pain associated with the graft harvesting incision.

  8. Arthroscopic and open management of posterolateral rotatory instability of the elbow.

    Science.gov (United States)

    O'Brien, Michael J; Savoie, Felix H

    2014-09-01

    Posterolateral rotatory instability (PLRI) is the most common cause of residual instability following a simple elbow dislocation. PLRI may result from trauma or iatrogenic injury to the radial ulnohumeral ligament during treatment for other conditions, such as lateral epicondylitis. PLRI can be identified through a combination of history and physical examination, and confirmed with magnetic resonance imaging arthrography. Once diagnosed, surgery is necessary to correct persistent instability. Instability can be confirmed arthroscopically through several findings, including subluxation of the radial head on the capitellum and the arthroscopic "drive through sign of the elbow." Acute repairs, both open and arthroscopic, heal with excellent patient outcomes. In the chronic setting, graft reconstruction may be required. This report describes arthroscopic repair of the radial ulnohumeral ligament and open reconstruction with associated outcomes. A high index of suspicion is necessary to correctly diagnosis this condition in patients with lateral elbow pain and feelings of instability.

  9. Arthroscopic evaluation for omalgia patients undergoing the clavicular hook plate fixation of distal clavicle fractures

    OpenAIRE

    2014-01-01

    Background The aim of this study is to investigate the anatomic changes in the shoulder joints responsible for omalgia after the clavicular hook plate fixation under arthroscope. Methods Arthroscopic examination was carried out for 12 omalgia patients who underwent clavicular hook plate fixation due to distal clavicle fractures. Functional outcome of shoulder was measured by the Japanese Orthopaedic Association (JOA) score before and after the withdrawal of the fixation plate. Results The rot...

  10. Arthroscopic Treatment of Septic Arthritis of the Elbow in a 4-Year-Old Girl

    Directory of Open Access Journals (Sweden)

    Masashi Koide

    2015-01-01

    Full Text Available Pediatric septic arthritis is uncommon and has been traditionally treated by joint aspiration or open arthrotomy. There are some reports about arthroscopic surgery in pediatric septic arthritis of the knee, hip, and shoulder. However, there is no report for the case of elbow. We report a case of pediatric septic arthritis of elbow treated with arthroscopically with good clinical condition at 3-year follow-up. This paper is based on a report first published in Japanese (Tojo (2012.

  11. Psychometric properties of patient-reported outcome measures for hip arthroscopic surgery

    DEFF Research Database (Denmark)

    Kemp, Joanne L; Collins, Natalie J; Roos, Ewa M.

    2013-01-01

    Patient-reported outcomes (PROs) are considered the gold standard when evaluating outcomes in a surgical population. While the psychometric properties of some PROs have been tested, the properties of newer PROs in patients undergoing hip arthroscopic surgery remain somewhat unknown.......Patient-reported outcomes (PROs) are considered the gold standard when evaluating outcomes in a surgical population. While the psychometric properties of some PROs have been tested, the properties of newer PROs in patients undergoing hip arthroscopic surgery remain somewhat unknown....

  12. Signs of knee osteoarthritis common in 620 patients undergoing arthroscopic surgery for meniscal tear

    OpenAIRE

    Pihl, Kenneth; Englund, Martin; Lohmander, L Stefan; Jørgensen, Uffe; Nissen, Nis; Schjerning, Jeppe; Thorlund, Jonas Bloch

    2016-01-01

    Background and purpose - Recent evidence has questioned the effect of arthroscopic knee surgery for middle-aged and older patients with degenerative meniscal tears with or without concomitant radiographic knee osteoarthritis (OA). We investigated the prevalence of early or more established knee OA and patients' characteristics in a cohort of patients undergoing arthroscopic surgery for a meniscal tear. Patients and methods - 641 patients assigned for arthroscopy on suspicion of meniscus tear ...

  13. Does combined open and arthroscopic synovectomy for diffuse PVNS of the knee improve recurrence rates?

    Science.gov (United States)

    Colman, Matthew W; Ye, Jason; Weiss, Kurt R; Goodman, Mark A; McGough, Richard L

    2013-03-01

    Diffuse-type pigmented villonodular synovitis (PVNS) has a high local recurrence rate and as such can lead to erosive destruction of the involved joint. Multiple surgical modalities exist, but it is unknown which technique best minimizes local recurrence and surgical morbidity. We compared recurrence rates, arthritis progression, and complications between arthroscopic and open modalities for diffuse PVNS of the knee. We retrospectively identified 103 patients with PVNS treated between 1993 and 2011. Of these, 48 had diffuse-type PVNS of the knee treated by all-arthroscopic, open posterior with arthroscopic anterior, or open anterior and open posterior synovectomy. We recorded patient demographics, treatment profiles, recurrence rates, and arthritic progression. Minimum followup was 3 months (median, 40 months; range, 3-187 months). Recurrence rates were lower in the open/arthroscopic group compared with the arthroscopic or open/open groups: 9% versus 62% versus 64%, respectively. Arthritic progression occurred in 17% of the total study group with 8% going onto total knee arthroplasty within the followup period. We detected no difference between groups with regard to arthritic progression or progression to arthroplasty. The most common complication was hemarthrosis, which we drained in three patients (6% of the total study group), but there were no detectable differences between groups. Open posterior with arthroscopic anterior synovectomy is a viable, comprehensive approach to diffuse PVNS of the knee and provides both low recurrence rates and a low postoperative complication profile. Greater numbers of recurrences may be partially explained in the arthroscopic group by technical challenges associated with posterior arthroscopic synovectomy and in the open/open group by selection bias toward more aggressive disease. Level III, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

  14. Arthroscopic-Assisted Intraosseous Balloon-Assisted Repositioning of a Tibial Plateau Fracture: A Case Report.

    Science.gov (United States)

    Brinkmann, O; Rau, M; Maenz, S; Bungartz, M; Matziolis, G

    2015-01-01

    This is the first description of an arthroscopic-assisted intraosseous balloon-assisted repositioning and defect filling of a tibial plateau fracture. The bone defect was filled with calcium phosphate cement in a liquid/paste form. The described technique was therefore introduced in order to allow an arthroscopic control of reposition and intra-articular cement escape during defect filling. X-rays showed an exact reposition without cement escape and the clinical outcome was satisfactory.

  15. Isolated HAGL lesion after arthroscopic Bankart repair in a professional soccer player.

    Science.gov (United States)

    Celik, Haluk; Seckin, Mustafa Faik; Kara, Adnan; Akman, Senol

    2017-05-01

    Post-traumatic anterior shoulder instability commonly occurs following an avulsion of capsulolabral complex from glenoid (Bankart lesion) or rarely after humeral avulsion of the glenohumeral ligaments (HAGL lesion). Arthroscopic Bankart repair offers high success rates of healing. However, trauma following the treatment may cause implant failure or re-avulsion of the treated tissue. We aim to present the diagnosis and treatment of an isolated HAGL lesion in a professional soccer player who had previously undergone arthroscopic Bankart repair.

  16. A new "double-pulley" dual-row technique for arthroscopic fixation of bony Bankart lesion.

    Science.gov (United States)

    Zhang, Jin; Jiang, Chunyan

    2011-09-01

    The double-row technique is a new concept for arthroscopic treatment of bony Bankart lesion in shoulder instability. It presents a new and reproducible technique for arthroscopic fixation of bony Bankart fragments with suture anchors. This technique creates double-mattress sutures which compress the fragment against its bone bed and restores better bony anatomy of the anterior glenoid rim with stable and non-tilting fixation that may improve healing.

  17. Arthroscopic treatment of chronically painful calcific tendinitis of the rectus femoris

    OpenAIRE

    Peng, Xu; Feng, Yong; Chen, Guangxing; Liu YANG

    2013-01-01

    Background Relatively large calcific tendinitis with persistent symptoms after extended periods of conservative treatment is an indication for operative therapy. Arthroscopy, as a treatment for calcific tendinitis of the hip abductors and calcinosis circumscripta, has been described previously; however, to our knowledge, the clinical and radiological response to arthroscopic removal of calcific tendinitis of the rectus femoris tendon has not. Methods We present arthroscopic treatment of unusu...

  18. Case study of physiotherapy treatment of a patient after arthroscopic for subacromial decompression

    OpenAIRE

    Hiršová, Pavlína

    2013-01-01

    Title: Case study of physiotherapy treatment of a patient after arthroscopic for subacromial decompression The objective of this bachelor thesis is introduction with theme of physiotherapy of shoulder joint after arthroscopy for subacromial decompression. The thesis is divided in two main parts. The first (general) part describes anatomy, kinesiology and biomechanics of shoulder girdle briefly. There is also the reference of pathology in subacromial space and arthroscopic method description. ...

  19. Application of optical coherence tomography enhances reproducibility of arthroscopic evaluation of equine joints

    OpenAIRE

    Niemelä, Tytti; Virén, Tuomas; Liukkonen, Jukka; te Moller, Nikae; Puhakka, Pia H.; Jurvelin, Jukka S.; Tulamo, R.M.; Töyräs, Juha

    2014-01-01

    Background: Arthroscopy is widely used in various equine joints for diagnostic and surgical purposes. However, accuracy of defining the extent of cartilage lesions and reproducibility in grading of lesions are not optimal. Therefore, there is a need for new, more quantitative arthroscopic methods. Arthroscopic optical coherence tomography (OCT) imaging is a promising tool introduced for quantitative detection of cartilage degeneration and scoring of the severity of chondral lesions. The aim o...

  20. Application of optical coherence tomography enhances reproducibility of arthroscopic evaluation of equine joints

    OpenAIRE

    Niemelä, Tytti; Virén, Tuomas; Liukkonen, Jukka; Argüelles, David; te Moller, Nikae C R; Puhakka, Pia H.; Jurvelin, Jukka S.; Tulamo, Riitta-Mari; Töyräs, Juha

    2014-01-01

    Background Arthroscopy is widely used in various equine joints for diagnostic and surgical purposes. However, accuracy of defining the extent of cartilage lesions and reproducibility in grading of lesions are not optimal. Therefore, there is a need for new, more quantitative arthroscopic methods. Arthroscopic optical coherence tomography (OCT) imaging is a promising tool introduced for quantitative detection of cartilage degeneration and scoring of the severity of chondral lesions. The aim of...

  1. Arthroscopic rotator cuff repair in elite rugby players

    Directory of Open Access Journals (Sweden)

    Tambe Amol

    2009-01-01

    Full Text Available Background: Rugby is an increasingly popular collision sport. A wide spectrum of injuries can be sustained during training and match play. Rotator cuff injury is uncommon in contact sports and there is little published literature on the treatment of rotator cuff tears in rugby players. Aims: We therefore reviewed the results and functional outcomes of arthroscopic rotator cuff repair in elite rugby players. Materials and Methods: Eleven professional rugby players underwent arthroscopic rotator cuff repair at our hospital over a 2-year period. We collected data on these patients from the operative records. The patients were recalled for outcome scoring and ultrasound scans. Results: There were seven rugby league players and four rugby union players, including six internationals. Their mean age was 25.7 years. All had had a traumatic episode during match play and could not return to the game after the injury. The mean time to surgery was 5 weeks. The mean width of the cuff tear was 1.8 cm. All were full- thickness cuff tears. Associated injuries included two Bankart lesions, one bony Bankart lesion, one posterior labral tear, and two 360° labral tears. The biceps was involved in three cases. Two were debrided and a tenodesis was performed in one. Repair was with suture anchors. Following surgery, all patients underwent a supervised accelerated rehabilitation programme. The final follow-up was at 18 months (range: 6-31 months post surgery. The Constant scores improved from 44 preoperatively to 99 at the last follow-up. The mean score at 3 months was 95. The Oxford shoulder score improved from 34 to 12, with the mean third month score being 18. The mean time taken to return to full match play at the preinjury level was 4.8 months. There were no complications in any of the patients and postoperative scans in nine patients confirmed that the repairs had healed. Conclusion: We conclude that full-thickness rotator cuff tears in the contact athlete can

  2. ARTHROSCOPIC MENISCUS REPAIR WITH BIOABSORBABLE ARROWS IN LOCAL ANESTHESIA

    Directory of Open Access Journals (Sweden)

    Vladimir Senekovič

    2004-11-01

    Full Text Available Background. The menisci have important function in the knee joint. Because of this it is universally accepted that we have to preserve them as much as possible. After open and partially arthroscopic suture techniques new methods of all-inside meniscus repair with bioabsorbable arrows have been developed in the last decade. The meniscus repair using these arrows represents an easy task for a skilled surgeon. In addition, it can be performed in local anesthesia. We have evaluated the results of the first group of patients who were treated by this method.Methods. From February 2001 to August 2002 15 patients with torn meniscuses have been treated at the Clinical Department for Traumatology, University Medical centre, Ljubljana. We repaired their torn menisci arthroscopically with bioabsorbable arrows in local anesthesia. We divided patients in three groups: a group with isolated meniscus injury, a group with meniscus injury and anterior cruciate ligament injury and a group with associated pathology. Four patients had incarcerated meniscuses. Preoperative Lysholm score in the first group was 38, in the second 42 and in the third group 48. We repaired 12 medial and 3 lateral meniscuses. On average we need 45 minutes for therapeutic arthroscopy. Torn meniscus was fixated with minimum of 1 and maximum of 5 bioabsorbable arrows. All patients except one had the affected knee immobilized with cylinder plaster for 15 days on average.Results. At least three months after the arthroscopic fixation of the torn meniscus in local anesthesia another clinical evaluation was made. In all groups significant improvement was observed regarding the range of motions and absence of pain. Postoperative Lysholm score in the first group was 89, in the second 75 and in the third 71. Average deficit of flexion was 3 degrees while extension was full. One patient complained about the same pain in the joint, he underwent another arthroscopy which showed that the meniscus was

  3. Establishing Maximal Medical Improvement After Arthroscopic Rotator Cuff Repair.

    Science.gov (United States)

    Zuke, William A; Leroux, Timothy S; Gregory, Bonnie P; Black, Austin; Forsythe, Brian; Romeo, Anthony A; Verma, Nikhil N

    2017-06-01

    As health care transitions from a pay-for-service to a pay-for-performance infrastructure, the value of orthopaedic care must be defined accurately. Significant efforts have been made in defining quality and cost in arthroplasty; however, there remains a lag in ambulatory orthopaedic care. Two-year follow-up has been a general requirement for reporting outcomes after rotator cuff repair. However, this time requirement has not been established scientifically and is of increasing importance in the era of value-based health care. Given that arthroscopic rotator cuff repair is a common ambulatory orthopaedic procedure, the purpose of this study was to establish a time frame for maximal medical improvement (the state when improvement has stabilized) after arthroscopic rotator cuff repair. Systematic review. A systematic review of the literature was conducted, identifying studies reporting sequential patient-reported outcomes up to a minimum of 2 years after arthroscopic rotator cuff repair. The primary clinical outcome was patient-reported outcomes at 3-month, 6-month, 1-year, and 2-year follow-up. Secondary clinical outcomes included range of motion, strength, retears, and complications. Clinically significant improvement was determined between various time intervals by use of the minimal clinically important difference. The review included 19 studies including 1370 patients who underwent rotator cuff repair. Clinically significant improvement in patient-reported outcomes was seen up to 1 year after rotator cuff repair, but no clinical significance was noted from 1 year to 2 years. The majority of improvement in strength and range of motion was seen up to 6 months, but no clinically meaningful improvement was seen thereafter. All reported complications and the majority of retears occurred within 6 months after rotator cuff repair. After rotator cuff repair, a clinically significant improvement in patient-reported outcomes, range of motion, and strength was seen up to 1

  4. Comparing the Efficacy of Intra-Articular Application of Morphine and Tramadol on Postoperative Pain After Arthroscopic Knee Surgery

    OpenAIRE

    Jazayeri, Seyed Mohammad; Mosaffa, Faramarz; Abbasian, Mohammadreza; Hosseinzadeh, Hamid Reza

    2012-01-01

    Background: Intra-articular analgesia is a pain reliever that is frequently administered following arthroscopic knee surgery. Objectives: The purpose of this study was to compare the efficacy of intra-articular application of morphine and tramadol on postoperative pain after arthroscopic knee surgery. Patients and Methods: For this randomized double blinded clinical trial, 132 patients undergoing minor arthroscopic knee surgery were randomly assigned to receive either; 5 mg morphine or 50 mg ...

  5. A comparative study between use of arthroscopic lavage and arthrocentesis of temporomandibular joint based on computational fluid dynamics analysis

    National Research Council Canada - National Science Library

    Xu, Yue; Lin, Han; Zhu, Ping; Zhou, Wenyan; Han, Yi; Zheng, Youhua; Zhang, Zhiguang

    2013-01-01

    Arthroscopic lavage and arthrocentesis, performed with different inner-diameter lavage needles, are the current minimally invasive techniques used in temporomandibular joint disc displacement (TMJ-DD...

  6. All-inside arthroscopic suturing technique for meniscal ruptures.

    Science.gov (United States)

    Darabos, Nikica; Dovzak-Bajs, Ivana; Bilić, Vide; Darabos, Anela; Popović, Iva; Cengić, Tomislav

    2012-03-01

    The most frequent indication for surgical treatment of the knee is lesion of the meniscus. The "all inside" arthroscopic technique with bioresorptive material for meniscus lesion is becoming the most popular treatment. This prospective study included 10 patients with posterior meniscal horn lesion operatively treated at Sports Traumatology Department. The "all inside" technique was performed by intra-articular application of bioresorptive pins-Darts sticks or Meniscus Viper and bioresorptive string. Patients were followed up for 2-6 months postoperatively and graded according to the IKDC 2000 scale. All surgical treatments showed satisfactory results. Young patients with acute longitudinal peripheral lesion-posterior horn lesions, in the red-red or red-white meniscal zone, 1-2 centimeters long are most appropriate for this type of treatment. In these patients, this technique proved to be superior and free from the risk of neurovascular damage. For better authentication of this conclusion, additional prospective randomized studies should be performed.

  7. Arthroscopic capsule reconstruction in the hip using iliotibial band allograft.

    Science.gov (United States)

    Trindade, Christiano A C; Sawyer, Gregory A; Fukui, Kiyokazu; Briggs, Karen K; Philippon, Marc J

    2015-02-01

    The hip capsule has been identified as an important static stabilizer of the hip joint. Despite the intrinsic bony stability of the hip socket, the capsule plays a key role in hip stability, particularly at the extremes of motion, and the iliofemoral ligament is the most important stabilizer in extension and external rotation. Patients who do not undergo capsular closure or plication may continue to complain of hip pain and dysfunction postoperatively, likely because of microinstability or muscle invagination into the capsular defect, and high-resolution magnetic resonance imaging or magnetic resonance arthrography will identify the capsular defect. Seen primarily in the revision setting, capsular defects can cause recurrent stress at the chondrolabral junction. An attempt at secondary closure can be challenging because of capsular limb adherence to the surrounding soft tissues. Therefore reconstruction may be the only possible surgical solution for this problem. We describe our new surgical technique for arthroscopic hip capsular reconstruction using iliotibial band allograft.

  8. Arthroscopic Psoas Management: Techniques for Psoas Preservation and Psoas Tenotomy.

    Science.gov (United States)

    Spiker, Andrea M; Degen, Ryan M; Camp, Christopher L; Coleman, Struan H

    2016-12-01

    The iliopsoas tendon is an important dynamic stabilizer of the hip joint, and it should be carefully identified and preserved during routine hip arthroscopy. However, it may also be a source of hip pain manifesting as iliopsoas tendinitis or a snapping hip or contributing to the development of labral pathology caused by psoas impingement. In the appropriately indicated, refractory cases of iliopsoas-related hip pain, surgical intervention in the form of an iliopsoas tenotomy at the level of the labrum can result in reliable pain relief. We describe a method to identify and protect the iliopsoas tendon during routine hip arthroscopy when preservation is desired. In addition, we detail how to deepen the psoas tunnel if psoas impingement is present but psoas tenotomy is contraindicated. We also describe a reproducible technique of arthroscopic iliopsoas tenotomy using standard portals and minimal equipment when indicated.

  9. Arthroscopic Repair of a Posterior Bony Bankart Lesion.

    Science.gov (United States)

    Poehling-Monaghan, Kirsten L; Krych, Aaron J; Dahm, Diane L

    2015-12-01

    Posterior bony defects of the glenoid rim, particularly those associated with instability, are often a frustrating challenge for arthroscopists because of the defects' inaccessibility from standard portals. This challenge is enhanced when the lesion is chronic and fibrous malunion of the fragment makes mobilization difficult. We present our technique for arthroscopic repair of the relatively uncommon chronic posterior bony Bankart lesion. By use of lateral positioning and a standard anterior viewing portal and posterior working portal, as well as a strategically placed posterolateral accessory portal, the lesion is first freed from its malreduced position and ultimately repaired using suture anchor fixation of the bony fragment along with its associated labrum directly to the remaining glenoid rim. This technique, facilitated by precise portal placement, results in satisfactory fragment reduction, appropriate capsular tension, and restoration of anatomy.

  10. Structural damage and chemical contaminants on reprocessed arthroscopic shaver blades.

    Science.gov (United States)

    Kobayashi, Masahiko; Nakagawa, Yasuaki; Okamoto, Yukihiro; Nakamura, Shinichiro; Nakamura, Takashi

    2009-02-01

    on the reprocessed arthroscopic shaver blades. Surgeons should keep in mind that mechanical damage and chemical contamination are found on reprocessed arthroscopic blades.

  11. Functional outcomes after bilateral arthroscopic rotator cuff repair.

    Science.gov (United States)

    Aleem, Alexander W; Syed, Usman Ali M; Wascher, Jocelyn; Zoga, Adam C; Close, Koby; Abboud, Joseph A; Cohen, Steven B

    2016-10-01

    Arthroscopic repair of rotator cuff tears is a common procedure performed by orthopedic surgeons. There is a well-known incidence of up to 35% of bilateral rotator cuff tear disease in patients who have a known unilateral tear. The majority of the literature focuses on outcomes after unilateral surgery. The purpose of this study was to determine if there are clinical differences in shoulders of patients who underwent staged bilateral rotator cuff repairs during their lifetime. A retrospective review of all patients who underwent staged bilateral arthroscopic rotator cuff surgery at our institution was performed. All patients had at least 2 years of follow-up. Clinical outcome scores including the American Shoulder and Elbow Surgeons (ASES), Single Assessment Numeric Evaluation, and Rowe measures were obtained. A subset of patients returned for clinical and ultrasound evaluation performed by an independent fellowship-trained musculoskeletal radiologist. Overall, 110 shoulders in 55 patients, representing 68% of all eligible patients, participated. No clinical or statistical difference was found in any outcome measure. ASES scores averaged 86.5 (36.7-100) in the dominant shoulder compared with 89.6 (23.3-100) in the nondominant shoulder (P = .42). Ultrasound was available on 34 shoulders and showed complete healing rate of 88%. The shoulders with retearing of the rotator cuff (12%) demonstrated clinically relevant lower ASES scores (72.5) compared with shoulders with confirmed healed repairs (86.2; P = .2). Patients who undergo staged bilateral rotator cuff repair can expect to have similarly good clinical outcomes regardless of hand dominance or chronologic incidence with excellent healing rates in both shoulders. Copyright © 2016 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

  12. [High recurrence and good functional results after arthroscopic resection of pigmented villonodular synovitis].

    Science.gov (United States)

    Isart, A; Gelber, P E; Besalduch, M; Pelfort, X; Erquicia, J I; Tey-Pons, M; Monllau, J C

    2015-01-01

    Pigmented villonodular synovitis (PVS) is a synovial proliferation disorder of uncertain aetiology, with some controversy as regards its proper treatment. The purpose of the study was to evaluate the functional outcome and recurrence rate in a series of patients diagnosed with both the diffuse and the localised type of PVS and treated by arthroscopic resection. Twenty-four patients diagnosed with PVS were retrospectively assessed. There were 11 cases with the diffuse type, and 13 cases with the localised type of PVS. They were followed-up for a median of 60 months (range, 34-204). They underwent arthroscopic synovectomy, and were functionally evaluated with IKDC, WOMET, and Kujala scores. There was recurrence in 8 out of 13 (61.5%) cases with the diffuse type of PVS. Two of these patients were treated with radiation. One patient underwent surgical resection with an open procedure due to extra-articular involvement. The remaining 5 patients underwent a second arthroscopic resection, and no recurrence was subsequently observed. Cases with localised PVS did not recur after a single arthroscopic resection. IKDC, WOMET and Kujala scores improved by 30.6, 37.4 and 34.03 points, respectively. Pigmented villonodular synovitis treated by arthroscopic resection showed good functional results at mid-term follow-up. A single arthroscopic resection was sufficient to treat the localised PVS, whereas the diffuse type of PVS required a second arthroscopic resection in most cases, due to its high rate of recurrence. Copyright © 2014 SECOT. Published by Elsevier Espana. All rights reserved.

  13. Muscle strength after anterior shoulder stabilization: arthroscopic versus open Bankart repair.

    Science.gov (United States)

    Rhee, Yong Girl; Lim, Chan Teak; Cho, Nam Su

    2007-11-01

    A number of reports have been made on the muscle strength at the last follow-up after arthroscopic or open Bankart repairs. Few have analyzed the change over time in muscle strength and compared the changes between different operative methods. Muscle strength recovers faster after arthroscopic Bankart repair than after open Bankart repair, and the final muscle strength is not different between the 2 procedures. Cohort study; Level of evidence, 2. Sixty patients with anterior shoulder instability and an isolated Bankart lesion were enrolled for this study. Thirty patients underwent open Bankart repair (open group), and 30 patients went through arthroscopic Bankart repair (arthroscopic group). The open group demonstrated markedly weaker muscle strength during forward elevation than did the arthroscopic group up to 3 months after surgery, but the difference narrowed to about 5% at 6 months (P = .074). At 6 months after surgery, the muscle strength of the open group measured 85.8% +/- 11.5% in forward elevation, 89.5% +/- 10.3% in external rotation, and 89.3% +/- 13.3% in internal rotation. The corresponding figures of the arthroscopic group were 90.6% +/- 8.6%, 92.1% +/- 9.1%, and 92.1% +/- 11.7%. As for external and internal rotations, the open group demonstrated markedly weaker muscle strength 6 weeks after surgery, but the differences were reduced to about 6% and 4%, respectively, at 3 months (P = .092 and .163, respectively). There was no statistically significant difference in final muscle strength 12 months after the operation between the 2 groups (P = .503, .468, and .659, respectively). Muscle strength recovered faster with an arthroscopic procedure than with an open procedure during the early postoperative periods, and strength was restored to the level of the unaffected side at 6 months postoperatively. In the group with open Bankart repairs, the muscle strength during forward elevation recovered slower than did external and internal rotation muscle

  14. Arthroscopic evaluation of trochlear dysplasia as an aid in decision making for the treatment of patellofemoral instability.

    Science.gov (United States)

    Nelitz, M; Lippacher, S

    2014-11-01

    Trochlear dysplasia is an important aetiological factor for the development of patellofemoral instability (PFI). The aim of the study was to identify the arthroscopic morphology of trochlear dysplasia that can be helpful when planning operative treatment for PFI. Magnetic resonance imaging (MRI) scans and strict lateral radiographs of 46 patients treated for PFI were assigned according to Dejour and matched with arthroscopic views from the lateral superior arthroscopic portal. On arthroscopy, signs of trochlear dysplasia were identified and classified into two types. Intra- and inter-observer agreements of the arthroscopic evaluation were assessed. Arthroscopically, 2 major types of trochlear dysplasia could be distinguished. Type I shows a flat trochlear groove with an elevated trochlear floor in relation to the anterior femoral cortex. In type II, the proximal trochlea was convex with a lateral trochlear bump. Arthroscopic evaluation was not consistent with the Dejour's radiographic and axial MRI classification. Arthroscopic grading showed excellent intra- and inter-observer agreements (81-92%). Arthroscopic evaluation can give additional information about the severity of trochlear dysplasia. This additional information can be used as an aid in decision making for the treatment of PFI. II.

  15. Outcome of arthroscopic subscapularis tendon repair: Are the results improving with improved techniques and equipment?: A retrospective case series

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    G R Arun

    2016-01-01

    Conclusion: At a median followup of 2 years, 95% of patients had a good to excellent result after an arthroscopic subscapularis tendon repair. We conclude that the midterm results show that arthroscopic subscapularis repair remains a good option for the treatment of patients with subscapularis tendon repair.

  16. Vascular Complications in Arthroscopic Repair Of Posterior Cruciate Ligament

    Science.gov (United States)

    Agotegaray, Juan Ignacio; Comba, Ignacio; Bisiach, Luciana; Grignaffini, María Emilia

    2017-01-01

    Introduction: Posterior cruciate ligament is the primary stabilizer of the knee. Among the potential complications in arthroscopic repair of this ligament, there are vascular lesions, due to laceration, thrombosis and injury of the intima of the popliteal artery. We used one case to show the vascular complications that may arise in arthroscopic repair of the posterior cruciate ligament, how to handle it and the results. Methods: One patient, 33 years old, with a history of traffic accident. In a physical exam the patient shows pain and swelling of the knee, positive posterior drawer test and positive Godfrey test. X-rays on the knee show posterior tibial translation and MRI a complete fibers rupture at the middle third of the posterior cruciate ligament. An arthroscopic repair surgery was scheduled three weeks after trauma, with PCL reconstruction using simple band technique.After surgical intervention, hemostatic cuff was released, no peripheral pulse, paleness and coldness of the member was confirmed. An arteriography was carried out, which confirmed absences of distal vascular filling in the popliteal artery. An urgent referral was carried out with Vascular Surgery Services, who had been informed of the surgery previously (a notification that is part of our routine for this kind of interventions). Arteriorrhaphy and venorrhaphy of the popliteal arteries was fulfilled 12 hours later, with a leg fasciotomy. Daily monitoring was performed, and after 72 hours, muscle necrosis is seen with wound drainage, analysis shows presence of gram-negative bacilli, Proteus Mirabilis-Pseudomonas spp and the lab results showed leukocytes: 8.700/ml, ESR: 58, CRP: 48. A new surgery is performed with complete resection of the anterior external compartment of the leg, and a system of continuous cleansing is applied with physiological saline solution and boric acid for 14 days until drainage is eliminated. Vancomycin and ceftazidime EV was indicated for 14 days and, after a good

  17. Lateral Decubitus All-Arthroscopic Latarjet Procedure for Treatment of Shoulder Instability.

    Science.gov (United States)

    Lewington, Matthew R; Urquhart, Nathan; Wong, Ivan H

    2015-06-01

    Shoulder instability can be a challenging condition to treat when it becomes refractory to soft-tissue procedures or when bone loss exceeds 25% to 27% of the glenoid. The Bristow-Latarjet procedure has been developed and popularized to deal with these concerns. Traditionally, the procedure has been performed as an open approach; however, this has been recently supplanted by novel arthroscopic techniques. We present a technique for the procedure performed with the patient in a semi-lateral decubitus position that assists with optimal graft placement on the native glenoid. We use the cannulated Bristow-Latarjet Instability Shoulder System (DePuy Mitek, Raynham, MA). After a diagnostic arthroscopic evaluation, we use multiple arthroscopic anterior portals to debride the rim of the glenoid. The coracoid is prepared and taken down arthroscopically, and the cannulated guide is attached and advanced through an arthroscopically created subscapularis split. With the shoulder held in a reduced position, we are then able to drill and anchor the graft to the native glenoid. The patient is able to begin gentle range-of-motion exercises immediately postoperatively.

  18. Lateral Decubitus All-Arthroscopic Latarjet Procedure for Treatment of Shoulder Instability

    Science.gov (United States)

    Lewington, Matthew R.; Urquhart, Nathan; Wong, Ivan H.

    2015-01-01

    Shoulder instability can be a challenging condition to treat when it becomes refractory to soft-tissue procedures or when bone loss exceeds 25% to 27% of the glenoid. The Bristow-Latarjet procedure has been developed and popularized to deal with these concerns. Traditionally, the procedure has been performed as an open approach; however, this has been recently supplanted by novel arthroscopic techniques. We present a technique for the procedure performed with the patient in a semi-lateral decubitus position that assists with optimal graft placement on the native glenoid. We use the cannulated Bristow-Latarjet Instability Shoulder System (DePuy Mitek, Raynham, MA). After a diagnostic arthroscopic evaluation, we use multiple arthroscopic anterior portals to debride the rim of the glenoid. The coracoid is prepared and taken down arthroscopically, and the cannulated guide is attached and advanced through an arthroscopically created subscapularis split. With the shoulder held in a reduced position, we are then able to drill and anchor the graft to the native glenoid. The patient is able to begin gentle range-of-motion exercises immediately postoperatively. PMID:26258032

  19. A QUANTITATIVE ASSESSMENT OF PROPRIOCEPTIVE FUNCTION IMPROVEMENT AFTER ARTHROSCOPIC ACL RECONSTRUCTION SURGERY

    Directory of Open Access Journals (Sweden)

    Dobson

    2015-05-01

    Full Text Available OBJECTIVE: To quantify the deficit in proprioceptive function in Anterior Cruciate Ligament (ACL deficiency and to quantify the improvement after Arthroscopic ACL Reconstruction . Type of Study : Prospective cohort study . METHOD S : The study included 73 patients (49 men , 24 women ; mean age 26 . 8 years ; range 21 to 40 years who underwent Arthroscopic ACL reconstruction . Arthroscopic ACL reconstruction was performed using either a patellar tendon or a hamstring auto graft . All patients followed a standard rehabilitation program . Proprioceptive function in the form of (B . I Balance Index Score was tested using Kinesthetic Ability Trainer (SPORT KAT 1750 preoperatively and at the end of third and sixth months after su rgery . Their contralateral knees served as control . Results were statistically analyzed by Paired t - test using SPSS 16 . 0 . RESULTS: Mean B . I Score in ACL insufficient limb was 2203 . 19 and of normal contralateral limb was1573 . 01 at the time of presentation , with a mean deficit of 630 . 18 (p<0 . 001 . The injured limb showed significant improvement in proprioception from preoperative B . I Score of 2203 . 19 to B . I Score of 1221 . 95 at the end of 6 months after Arthroscopic ACL Reconstruction (p<0 . 001 . CONCLUSION: There is a significant deficit in proprioceptive function in the ACL insufficient limb compared to the normal contralateral limb . Proprioceptive function improves significantly after Arthroscopic ACL Reconstruction .

  20. Result of arthroscopic treatment of pigmented villonodular synovitis of the knee.

    Science.gov (United States)

    De Ponti, Alessandro; Sansone, Valerio; Malcherè, Marco

    2003-01-01

    We report 10 years' experience in arthroscopic treatment of pigmented villonodular synovitis (PVNS) of the knee in a series of patients affected by the localized or diffuse form of the disease. The purpose of the study is to critically examine the results of arthroscopic synovectomy in the knee affected by PVNS, to determine the safety and effectiveness of the procedure. Retrospective case analysis. The study population consists of 19 patients, with an average follow-up of 60 months (minimum, 12; maximum, 128). All patients underwent knee arthroscopy. The 3 standard portals were used; posteromedial and posterolateral portals were added if required. Four patients were affected by localized PVNS and were subject to partial synovectomy with excision of the pathologic tissue. The remaining 15 patients presented a diffuse form of PVNS; 7 of them underwent extended arthroscopic synovectomy and 8 underwent partial synovectomy. The diagnosis was confirmed by synovial biopsy. In the group affected by the localized form of PVNS, the arthroscopic local excision resulted in a complete and persistent regression of the pathology. Among the patients affected by the diffuse form of PVNS, clinical results were better and the recurrence rate was lower in the group treated with extended synovectomy. No relevant complications were encountered. In particular, no cases of infection, stiffness, or neurovascular lesions were seen. Arthroscopic synovectomy is an appropriate treatment for knee PVNS. Extended synovectomy must be performed in all cases of diffuse PVNS.

  1. Arthroscopic Shoulder Surgery in Female Professional Tennis Players

    Science.gov (United States)

    Young, Simon W.; Safran, Marc R.; Dakic, Jodie; Nguyen, Michael L.; Stroia, Kathleen

    2013-01-01

    Objectives: Recent publications have highlighted the relatively poor outcome of other overhead athletes, particularly baseball players, with regard to return to sports at the same or higher level after shoulder surgery. However, true assessment of their ability when returning to sport is not as clear. Further, ability to return to other overhead sports has not been reported. Our objective was to assess outcome and time to return to previous level of function following shoulder surgery in professional tennis players. Methods: The records of all female tennis players on the Women’s Tennis Association (WTA) professional circuit between January 2008 and June 2010 were reviewed to identify players who underwent shoulder surgery on their dominant (serving) shoulder. Details of the surgery including date, procedures performed, and complications were recorded. The primary outcomes were ability and time to return to professional play, and if they were able to return to their previous level of function, as determined by singles ranking. Pre and post-operative singles rankings were used to determine rate and completeness of return to preoperative function. Their highest ranking pre-injury, post operatively, and the time to return to pre-injury ranking were evaluated. Results: During the study period eight professional women tennis players from the WTA underwent shoulder surgery on their dominant arm. All surgery was performed arthroscopically, 7 out of 8 players had more than one procedure performed during the surgery. In total, 3 players underwent debridement of a partial rotator cuff tear and 2 players underwent repair of a complete supraspinatus tear. Three players had an anterior labral repair or reconstruction for anterior instability, and one player underwent repair of a SLAP lesion. Two players underwent neurolysis of a suprascapular nerve, and three players in total underwent a subacromial decompression. All players (100%) returned to professional play. The mean

  2. Calcifying tendinitis of the rotator cuff: functional outcome after arthroscopic treatment.

    Science.gov (United States)

    Jacobs, Ruben; Debeer, Philippe

    2006-06-01

    In this study, we assessed the functional results after arthroscopic excision of rotator cuff calcifications. Sixty-one shoulders in 57 patients with chronic calcifying tendinitis of the rotator cuff were treated with arthroscopic excision, subacromial bursa debridement and shaving. In patients with fraying or roughness of the coracoacromial ligament, an acromioplasty was also performed. Patients were evaluated after a mean follow-up of 15 months. The modified Constant score and DASH score significantly improved from 33.4 to 66.8 and from 49.7 to 17.3 respectively. Performing an acromioplasty did not influence the final outcome. Frozen shoulder was a frequent complication (18%) without significant effect on the final DASH or Constant score. The presence of residual calcifications after arthroscopic needling did not influence the final outcome. We therefore believe that the presence of residual calcifications can be accepted if this is deemed necessary to preserve the integrity of the tendon.

  3. MR findings of chondromalacia Patella : correlation of the grade and associated lesions with arthroscopic findings

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    Chung, Yon Su; Kwon, Soon Tae; Lee, Hwan Do; Kang, Yong Soo; Byun, Ki Yong; Rhee, Kwang Jin [Chungnam National Univ., Taejon (Korea, Republic of). Coll. of Medicine

    1998-02-01

    To assess the MR findings of chondromalacia patella and correlate the grade and associated lesions with the arthroscopic findings. Twenty-five patients with pain in the anterior part of the knee underwent fat-suppressed axial and coronal T2-weighted and T2-weighted imaging, using a 10-cm field of view, and a 5-inch general purpose coil. We retrospectively assessed these findings, and the locations, grades and associated lesions, and correlated these with arthroscopic findings. We evaluated the exact location and grade of chondromalacia patella and associated lesions, as seen on MR images. These and the arthroscopic findings showed close correlation, and in cases involving this condition, MRI is thus a useful indicator of an appropriate surgical method and plan. (author). 18 refs., 5 figs.

  4. Arthroscopic decompression with indigo carmine for treating paralabral cysts in the shoulder.

    Science.gov (United States)

    Kabuto, Y; Morihara, T; Furukawa, R; Kida, Y; Sukenari, T; Onishi, O; Minami, M; Arai, Y; Fujiwara, H; Kubo, T

    2016-12-01

    Paralabral cysts in the shoulder are a relatively rare pathology. It is sometimes difficult to detect the location of a paralabral cyst in the shoulder using arthroscopy, and it can be difficult to confirm sufficient decompression by arthroscopy. We describe the case of a 64-year-old woman who underwent arthroscopic decompression for a paralabral cyst in the shoulder. Indigo carmine was injected into the cyst under ultrasonography guidance just before the operation. The leakage point of indigo carmine was detected using arthroscopy. Arthroscopic decompression was performed until the indigo carmine was completely discharged. Her shoulder pain, limited range of motion, and muscle weakness during abduction and external rotation improved postoperatively. Magnetic resonance imaging confirmed the disappearance of the cyst. Arthroscopic decompression using an ultrasonography-guided injection of indigo carmine is a useful treatment for a paralabral cyst in the shoulder.

  5. Arthroscopic Treatment of a Case with Concomitant Subacromial and Subdeltoid Synovial Chondromatosis and Labrum Tear

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    Nevres Hurriyet Aydogan

    2013-01-01

    Full Text Available Synovial chondromatosis is a disease that seldomly seen in shoulder joint and is related to benign synovial proliferation and synchronous chondral tissue formation within the joint cavity. Patients suffer from progressive restriction of range of motion and shoulder pain. Extra-articular involvement is an extremely rare condition. Degenerative osteoarthritis, joint subluxation, and bursitis are common complications in untreated patients. Open or arthroscopic surgery is suitable while there is no consensus related to superiority of different approaches. We presented an arthroscopic treatment of a male patient, 48 years old with labrum tear and synovial chondromatosis localized in subacromial and subdeltoid region. Advantages of arthroscopic surgery in the presence of intra- and extra-articular combined pathologies are also discussed.

  6. ARTHROSCOPIC TREATMENT FOR DISCOID LATERAL MENISCUS INJURY OF THE KNEE IN CHILDREN

    Institute of Scientific and Technical Information of China (English)

    蒋垚; 赵金忠; 翟伟韬; 曾炳芳

    2001-01-01

    Objective To study the arthroscopic treatment results.for discoid lateral meniscus injury of the knee in children. Methods 74 children patients, including 98 knees underwent arthroscopic treatment due to discoid lateral meniscus injury were followed up. By Watanabe classification, incomplete discoid meniscus was seen in 34 knees, complete in 42 and Wrisberg type in 22. The methods of treatment were partial, subtotal or total meniscectomy. The follow-up time ranged from 3 to 24 months, averaged 8 months. The results were analyzed according to Lysholm knee evaluation method. Results By Lysholm evaluation the results were excellent in 68 knees (69.4 % ) and good in 30 (30.6%). Conclusion Arthroscopic treatment is a reliable way for discoid lateral meniscus injury in children.

  7. Cartilage change after arthroscopic repair for an isolated meniscal tear.

    Science.gov (United States)

    Soejima, Takashi; Murakami, Hidetaka; Inoue, Takashi; Kanazawa, Tomonoshin; Katouda, Michihiro; Nagata, Kensei

    2005-01-01

    To investigate the direct effect to the cartilage caused by the meniscal repair, we examined patients who underwent an isolated meniscal repair without any other abnormalities by arthroscopic examination. A total of 17 patients were examined by second-look arthroscopy after an average interval of 9 months from the meniscal repair, and have been evaluated the status of the repaired meniscus and of the relative femoral condylar cartilage. Changes in the severity of the cartilage lesion between at the time of meniscal repair and the time of the second-look arthroscopy were considered based on the status of the repaired meniscus. Regardless of the healing status of the repair site, it was possible to prevent degeneration in the cartilage in 9 of the 10 patients who demonstrated no degeneration in the meniscal body. Of the 7 patients who demonstrated degeneration in the meniscal body, progression in cartilage degeneration was noted as 1 grade in 2 patients and 2 grades in another 3 patients. Even in those in which stable fusion of the repair site was achieved, the condition of the inner meniscal body was not necessarily maintained favorably in all cases, indicating that degeneration in the meniscal body was a risk factor for cartilage degeneration. It was concluded that recovery could not be expected even at 9 months after the repair if the lesion had already demonstrated degeneration in the meniscal body at the time of repair.

  8. Arthroscopically assisted anatomical coracoclavicular ligament reconstruction using tendon graft.

    Science.gov (United States)

    Yoo, Yon-Sik; Seo, Young-Jin; Noh, Kyu-Cheol; Patro, Bishu Prasad; Kim, Do-Young

    2011-07-01

    We describe a method of arthroscopically assisted, mini-open, anatomical reconstruction of the coracoclavicular ligament. This method restores both components of the native ligament with the aim of achieving maximum stability with minimal disruption of the normal anatomy. Using the same principles of ligament reconstruction that are employed in other joints, transosseous tunnels are created following the native footprints of the conoid and trapezoid ligaments and an autologous graft is fixed using a PEEK screw. Adequate healing of the ligament occurs within the bone, to prevent stress risers with an appropriate working length. This procedure is unique, as it replaces the torn ligament with a natural substitute, in the appropriate location, through a minimally invasive procedure. This technique would be suitable for treatment of patients with either grade III or V acute acromioclavicular dislocations. Clinical outcomes for the first 13 consecutive patients treated with this procedure are reported, revealing excellent satisfaction rates with a Constant score of 96.6 at final follow-up.

  9. Arthroscopic Repair of Posterior Bony Bankart Lesion and Subscapularis Remplissage.

    Science.gov (United States)

    Luedke, Colten; Tolan, Stefan J; Tokish, John M

    2017-06-01

    Posterior shoulder instability with glenoid bone loss has only a fraction of the prevalence of anterior instability. Unlike the latter, there is a paucity of literature regarding the treatment of posterior bony Bankart lesions and even less with concomitant reverse Hill-Sachs lesions. This combination of pathology leads to a difficult situation regarding treatment options. We present our technique for arthroscopic repair of a posterior bony Bankart lesion and reverse Hill-Sachs lesion. The importance of proper portal placement cannot be overstated. By use of the lateral position and strategically placed portals, the posterior bony Bankart lesion and attached labral complex were appropriately mobilized. We reduced the glenoid bone, with the attached capsulolabral complex, to the glenoid rim and performed fixation using a knotless suture anchor. We then placed 2 double-loaded suture anchors into the reverse Hill-Sachs lesion. The sutures were passed creating horizontal mattress configurations that were tied at the end of the procedure, effectively externalizing the humeral head defect. Our technique results in satisfactory fragment reduction, as well as appropriate capsular tension, and effectively prevents the reverse Hill-Sachs lesion from engaging.

  10. [Acromioclavicular instability: arthroscopic and mini-open combined treatment].

    Science.gov (United States)

    Slullitel, D; Galán, H; Della, V F; Ibañez, F

    2016-01-01

    The surgical treatment of acromioclavicular dislocation remains controversial. We describe herein a combined two-stage technique that includes an arthroscopic approach followed by a mini-invasive approach. 41 patients with acromioclavicular dislocation grades III, IV and V. Acute and chronic lesions and revision surgeries were included during the follow-up. Patients with other shoulder conditions were excluded. Mean age was 28.6 years. Patients were assessed preoperatively with the UCLA and Constant scores, and the pain visual analog scale. The 6- and 12-month postoperative evaluation included X-rays to assess coronal and axial stability, coracoclavicular ossifications, signs of acromioclavicular arthrosis and/or distal clavicular osteolysis. The Constant scores were as follows: 41.3 preoperatively; 89.4 at 6 months; 92.3 at 12 months. The UCLA scores were as follows: 21.7 preoperatively; 29.1 at 6 months; 31.4 at 12 months. The VAS scores were 8.4, 2.3 and 1.2, for the same periods respectively. Two cases had repeated injury due to trauma and one case was dissatisfied with the cosmetic appearance of the scar. The X-ray assessment showed two cases of loss of stability and one case of distal clavicular osteolysis. The combination of two reduction methods, a synthetic one and a biological one allows for a solid anatomical reconstruction that is stable in the coronal and axial planes and good medium-term results.

  11. Review of Arthroscopic and Histological Findings Following Knee Inlay Arthroplasty.

    Science.gov (United States)

    Markarian, Gregory G; Kambour, Michael T; Uribe, John W

    2016-01-01

    The phenomenon of cartilage rim loading in defects exceeding the threshold diameter of 10 mm is well documented. Contoured defect fill off-loads the perimeter and counteracts further delamination and progression of defects. When biological procedures have failed, inlay arthroplasty follows these concepts. The human biological response to contoured metallic surface implants has not been described. Four patients underwent non-implant-related, second-look arthroscopy following inlay arthroplasty for bi- (n=3) and tricompartmental (n=1) knee arthrosis without subchondral bone collapse. Arthroscopic probing of the implant-cartilage interface of nine prosthetic components did not show signs of implant-cartilage gap formation, loosening, or subsidence. The implant periphery was consistently covered by cartilage confluence leading to a reduction of the original defect size diameter. Femoral condyle cartilage flow appeared to have more hyaline characteristics. Trochlear cartilage flow showed greater histological variability and less organization with fibrocartilage and synovialized scar tissue. This review reconfirmed previous basic science results and demonstrated effective defect fill and rim off-loading with inlay arthroplasty.

  12. Septic arthritis following arthroscopic reconstruction of cruciate ligaments of the knee: retrospective case review.

    Science.gov (United States)

    Erice, Alejo; Neira, M Inmaculada; Vargas-Prada, Sergio; Chiaraviglio, Ana; Gutiérrez-Guisado, Javier; Rodríguez de Oya, Ricardo

    2017-06-23

    Rupture of cruciate ligaments of the knee is a common injury that is repaired by arthroscopic reconstruction, which can give rise to septic arthritis. The objective of this article is to describe the clinical and microbiological aspects of this entity. Retrospective review of cases of septic arthritis following arthroscopic reconstruction of cruciate ligaments of the knee that occurred at a single institution from 2000-2015. According to time elapsed from surgery, infections were classified as acute ( 14 days and 30 days). A descriptive and comparative analysis stratified by type of infection and causative microorganism was performed. 3,219 patients underwent arthroscopic reconstruction of cruciate ligaments of the knee and 30 (0.9%) developed septic arthritis. Seventeen (57%) were acute infections and 12 (40%) subacute; there was one late infection. The causative microorganisms were coagulase-negative Staphylococci (n=13; 43%), Staphylococcus aureus (n=12; 40%), other grampositive cocci (n=3; 10%), and gramnegative bacilli (n=2; 7%). All patients underwent arthroscopic debridement; no grafts were removed. All patients received antibiotic therapy for a median of 23.5 days (range: 14 - 78 days); all infections were cured. No significant differences were found in any of the variables analysed among the infection type or the causative microorganism. Septic arthritis after arthroscopic reconstruction of cruciate ligaments of the knee is uncommon. It generally presents within 4 weeks of surgery and is caused by Staphylococci. Its treatment consists of arthroscopic debridement (without necessarily removing the graft) and antibiotic therapy. Copyright © 2017 Elsevier España, S.L.U. and Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica. All rights reserved.

  13. The arthroscopic latarjet procedure for anterior shoulder instability: 5-year minimum follow-up.

    Science.gov (United States)

    Dumont, Guillaume D; Fogerty, Simon; Rosso, Claudio; Lafosse, Laurent

    2014-11-01

    The arthroscopic Latarjet procedure combines the benefits of arthroscopic surgery with the low rate of recurrent instability associated with the Latarjet procedure. Only short-term outcomes after arthroscopic Latarjet procedure have been reported. To evaluate the rate of recurrent instability and patient outcomes a minimum of 5 years after stabilization performed with the arthroscopic Latarjet procedure. Case series; Level of evidence, 4. Patients who underwent the arthroscopic Latarjet procedure before June 2008 completed a questionnaire to determine whether they had experienced a dislocation, subluxation, or further surgery. The patients also completed the Western Ontario Shoulder Instability Index (WOSI). A total of 62 of 87 patients (64/89 shoulders) were contacted for follow-up. Mean follow-up time was 76.4 months (range, 61.2-100.7 months). No patients had reported a dislocation since their surgery. One patient reported having subluxations since the surgery. Thus, 1 patient (1.59%) had recurrent instability after the procedure. The mean ± standard deviation aggregate WOSI score was 90.6% ± 9.4%. Mean WOSI domain scores were as follows: Physical Symptoms, 90.1% ± 8.7%; Sports/Recreation/Work, 90.3% ± 12.9%; Lifestyle, 93.7% ± 9.8%; and Emotions, 88.7% ± 17.3%. The rate of recurrent instability after arthroscopic Latarjet procedure is low in this series of patients with a minimum 5-year follow-up. Patient outcomes as measured by the WOSI are good. © 2014 The Author(s).

  14. The reliability of commonly used arthroscopic classifications of ligamentum teres pathology.

    Science.gov (United States)

    Devitt, Brian M; Smith, Bjorn; Stapf, Robert; Jo, Suenghwan; O'Donnell, John M

    2017-07-01

    The importance of the ligamentum teres (LT) in the hip is increasingly being recognized. However, the incidence of LT tears in the literature is extremely variable. Although classification systems exist their reliability in classifying LT pathology arthroscopically has not been well defined. To determine the inter- and intra-observer reliability of two existing classifications systems for the diagnosis of LT pathology at hip arthroscopy. Second, to identify key pathological findings currently not included. Four experienced hip-arthroscopists reviewed 40 standardized arthroscopic videos. Arthroscopic findings of the LT were classified using the Gray and Villar (G&V) and descriptive classification (DC). Reviewers were asked to record other relevant pathology encountered. Inter- and intra-observer reliability was defined using Fleiss-Kappa and Cohen-Kappa statistics. Both classifications demonstrated fair inter-observer reliability. The intra-observer reliability for G&V was moderate-to-substantial and for DC was slight-to-moderate. An absolute agreement rate of 10% (G&V) and 37.5% (DC) was found. Differentiation between normal, and partial or low-grade tears was a common source of disagreement. The prevalence of LT pathology was 90%. Synovitis was the most common diagnostic finding that was not included in either classification system used in this study. Arthroscopic classification of LT pathology using the G&V and the DC demonstrated only fair inter-observer reliability. The major discrepancy in interpretation was between normal, and partial or low-grade tears. The presence of synovitis was not in either classification but was considered an important arthroscopic finding. Thorough arthroscopic scrutiny reveals the prevalence of LT pathology is higher than previously reported.

  15. A Validated Orthopaedic Surgical Simulation Model for Training and Evaluation of Basic Arthroscopic Skills.

    Science.gov (United States)

    Coughlin, Ryan P; Pauyo, Thierry; Sutton, J Carl; Coughlin, Larry P; Bergeron, Stephane G

    2015-09-02

    To our knowledge, there is currently no validated educational model to evaluate and teach basic arthroscopic skills that is widely accessible to orthopaedic residency training programs. The primary objective was to design and to validate a surgical simulation model by demonstrating that subjects with increasing level of training perform better on basic arthroscopic simulation tasks. The secondary objective was to evaluate inter-rater and intra-rater reliability of the model. Prospectively recruited participants were divided by level of training into four groups. Subjects performed six basic arthroscopic tasks using a box model: (1) probing, (2) grasping, (3) tissue resection, (4) shaving, (5) tissue liberation and suture-passing, and (6) knot-tying. A score was calculated according to time required to complete each task and deductions for technical errors. A priori total global score, of a possible 100 points, was calculated by averaging scores from all six tasks using equal weights. A total of forty-nine participants were recruited for this study. Participants were grouped by level of training: Group 1 (novice: fifteen medical students and interns), Group 2 (junior residents: twelve postgraduate year-2 or postgraduate year-3 residents), Group 3 (senior residents: sixteen postgraduate year-4 or postgraduate year-5 residents), and Group 4 (six arthroscopic surgeons). The mean total global score (and standard deviation) differed significantly between groups (p training between all groups (p teach and evaluate basic arthroscopic skills showing good construct validity. This arthroscopic simulation model is inexpensive, valid, and reliable and has the potential to be implemented in other training programs. Copyright © 2015 by The Journal of Bone and Joint Surgery, Incorporated.

  16. Identifiable risk factors for thirty-day complications following arthroscopic rotator cuff repair.

    Science.gov (United States)

    Heyer, Jessica H; Kuang, Xiangyu; Amdur, Richard L; Pandarinath, Rajeev

    2017-10-11

    Shoulder arthroscopy has increased in frequency over the past decade, with rotator cuff repair comprising the majority of cases performed. Prior studies have detailed risk factors for 30-day complications and readmission rates after arthroscopic shoulder surgery using the National Surgical Quality Improvement Program (NSQIP) database, but no study has specifically looked at arthroscopic rotator cuff repair. The purpose of the study is to evaluate the risk factors for 30-day complications following arthroscopic rotator cuff repair using the NSQIP database. The NSQIP database was queried for all patients undergoing arthroscopic rotator cuff repair from 2006-2015. Demographics and thirty-day outcomes for these patients were analyzed using univariate analyses and multivariate regression analysis to determine the risk factors for complications. 21,143 patients underwent arthroscopic rotator cuff repair, with 147 patients (0.70%) having a complication within 30-days. Univariate analysis found age >65 (p = 0.0028), male gender (p = 0.0053), elevated BMI (p = 0.0054), ASA class >2 (p 90 min (p = 0.0316) to be associated with increased risk of complications. Multivariate analysis found female sex to be protective or complication (OR 0.56, p = 0.0017), while American Society of Anesthesiology (ASA) class >2 (OR 1.51, p = 0.0335) and history of COPD (OR 2.41, p = 0.0030) and dyspnea (OR 1.89, p = 0.0359) to be risk factors for complication. The most common complication is venothromboembolic events, accounting for 36.7% of all complications. Male sex, ASA class > 2, and history of COPD and dyspnea were independent risk factors for thirty-day complications following arthroscopic rotator cuff repair. IV.

  17. Arthroscopic Tuberoplasty for a Malunited Greater Tuberosity Fracture: A Case Report.

    Science.gov (United States)

    Killen, Maire-Clare; Charalambous, Charalambos P

    2015-01-01

    Superior migration and malunion of a fractured greater tuberosity can lead to mechanical subacromial impingement with resultant ongoing pain and limitation of abduction. We describe such a case successfully treated with arthroscopic excision of the protruding portion of the greater tuberosity, with marked improvement in pain and range of movement. The greater tuberosity was exposed by elevating the supraspinatus tendon, which was reattached at the end of the procedure. This case, along with outcomes of similar techniques previously reported in literature suggest that arthroscopic excision of a superiorly malunited greater tuberosity is associated with good symptomatic outcome and preservation of rotator cuff function.

  18. Signs of knee osteoarthritis common in 620 patients undergoing arthroscopic surgery for meniscal tear

    DEFF Research Database (Denmark)

    Pihl, Kenneth; Englund, Martin; Lohmander, L. Stefan

    2017-01-01

    Background and purpose - Recent evidence has questioned the effect of arthroscopic knee surgery for middle-aged and older patients with degenerative meniscal tears with or without concomitant radiographic knee osteoarthritis (OA). We investigated the prevalence of early or more established knee OA...... and patients' characteristics in a cohort of patients undergoing arthroscopic surgery for a meniscal tear. Patients and methods - 641 patients assigned for arthroscopy on suspicion of meniscus tear were consecutively recruited from February 2013 through January 2015. Of these, 620 patients (mean age 49 (18...... established knee OA was present in 43% of patients undergoing knee arthroscopy for meniscal tear....

  19. Combined partial arthroscopic synovectomy and radiation therapy for diffuse pigmented villonodular synovitis of the knee.

    Science.gov (United States)

    Blanco, C E; Leon, H O; Guthrie, T B

    2001-05-01

    We present the results of combined partial arthroscopic synovectomy and low-dose external-beam radiation therapy (RT) in the treatment of diffuse pigmented villonodular synovitis (PVNS) of the knee. Mechanical synovectomy is an effective tool in treating PVNS of the knee, but when used alone it may be insufficient to eliminate all affected tissue. Intra-articular radiation or external-beam radiation may be added to mechanical synovectomy to treat recurrence but is not routinely done at the time of initial synovectomy. Combining intra-articular synovectomy with RT at the initial treatment for PVNS of the knee may reduce the recurrence rate. We present a prospective study of the treatment of 22 patients with clinical, ultrasonic, and histologically confirmed findings of diffuse PVNS of the knee. Characteristic clinical findings included pain, swelling, and erythema. These patients were treated by the Arthroscopic Surgery Group of the Orthopaedic Service at the Hospital "Hermanos Ameijeiras" in Havana, Cuba from 1990 to 1998. The protocol included anterior (patellofemoral, medial, and lateral) arthroscopic synovectomy and postoperative RT with a total dose of 2,600 cGy. This combination therapy was effective in reducing symptoms of pain and edema, and in improving overall function of patients. Nineteen patients (86%) had good or excellent results at an average follow-up of 33 months (range, 26 to 76 months). Three patients had residual stiffness and swelling, 2 of whom also had pain. Three had clinically and ultrasonically confirmed recurrence of disease and were treated with repeat arthroscopic synovectomy without harmful effects from RT. In all of the cases requiring repeat arthroscopic synovectomy, we observed fibrous bands secondary to reorganization of synovial inflamed tissue, meniscal retraction, and microscopic findings of fibrosis and cellular paucity. Partial arthroscopic synovectomy combined with low-dose RT in anti-inflammatory doses produced good results

  20. Use of a Bone Graft Drill Harvester to Create the Fenestration During Arthroscopic Ulnohumeral Arthroplasty.

    Science.gov (United States)

    Wijeratna, Malin D; Ek, Eugene T; Hoy, Gregory A; Chehata, Ash

    2015-10-01

    The Outerbridge-Kashiwagi procedure, or ulnohumeral arthroplasty, was described in 1978 as a method of treating elbow arthritis by creating a fenestration in the olecranon fossa. This fenestration diminishes the likelihood of recurrent spurs in the olecranon fossa and coronoid fossa, without loss of structural bony strength. Arthroscopic techniques have now been developed to perform this procedure. We describe an efficient method of creating the fenestration between the olecranon fossa and coronoid fossa during an arthroscopic ulnohumeral arthroplasty, or Outerbridge-Kashiwagi procedure, that also reduces the amount of residual bone debris produced during the resection.

  1. Revision Arthroscopic Repair Versus Latarjet Procedure in Patients With Recurrent Instability After Initial Repair Attempt: A Cost-Effectiveness Model.

    Science.gov (United States)

    Makhni, Eric C; Lamba, Nayan; Swart, Eric; Steinhaus, Michael E; Ahmad, Christopher S; Romeo, Anthony A; Verma, Nikhil N

    2016-09-01

    To compare the cost-effectiveness of arthroscopic revision instability repair and Latarjet procedure in treating patients with recurrent instability after initial arthroscopic instability repair. An expected-value decision analysis of revision arthroscopic instability repair compared with Latarjet procedure for recurrent instability followed by failed repair attempt was modeled. Inputs regarding procedure cost, clinical outcomes, and health utilities were derived from the literature. Compared with revision arthroscopic repair, Latarjet was less expensive ($13,672 v $15,287) with improved clinical outcomes (43.78 v 36.76 quality-adjusted life-years). Both arthroscopic repair and Latarjet were cost-effective compared with nonoperative treatment (incremental cost-effectiveness ratios of 3,082 and 1,141, respectively). Results from sensitivity analyses indicate that under scenarios of high rates of stability postoperatively, along with improved clinical outcome scores, revision arthroscopic repair becomes increasingly cost-effective. Latarjet procedure for failed instability repair is a cost-effective treatment option, with lower costs and improved clinical outcomes compared with revision arthroscopic instability repair. However, surgeons must still incorporate clinical judgment into treatment algorithm formation. Level IV, expected value decision analysis. Copyright © 2016. Published by Elsevier Inc.

  2. Energy-Based Metrics for Arthroscopic Skills Assessment

    Directory of Open Access Journals (Sweden)

    Behnaz Poursartip

    2017-08-01

    Full Text Available Minimally invasive skills assessment methods are essential in developing efficient surgical simulators and implementing consistent skills evaluation. Although numerous methods have been investigated in the literature, there is still a need to further improve the accuracy of surgical skills assessment. Energy expenditure can be an indication of motor skills proficiency. The goals of this study are to develop objective metrics based on energy expenditure, normalize these metrics, and investigate classifying trainees using these metrics. To this end, different forms of energy consisting of mechanical energy and work were considered and their values were divided by the related value of an ideal performance to develop normalized metrics. These metrics were used as inputs for various machine learning algorithms including support vector machines (SVM and neural networks (NNs for classification. The accuracy of the combination of the normalized energy-based metrics with these classifiers was evaluated through a leave-one-subject-out cross-validation. The proposed method was validated using 26 subjects at two experience levels (novices and experts in three arthroscopic tasks. The results showed that there are statistically significant differences between novices and experts for almost all of the normalized energy-based metrics. The accuracy of classification using SVM and NN methods was between 70% and 95% for the various tasks. The results show that the normalized energy-based metrics and their combination with SVM and NN classifiers are capable of providing accurate classification of trainees. The assessment method proposed in this study can enhance surgical training by providing appropriate feedback to trainees about their level of expertise and can be used in the evaluation of proficiency.

  3. Energy-Based Metrics for Arthroscopic Skills Assessment.

    Science.gov (United States)

    Poursartip, Behnaz; LeBel, Marie-Eve; McCracken, Laura C; Escoto, Abelardo; Patel, Rajni V; Naish, Michael D; Trejos, Ana Luisa

    2017-08-05

    Minimally invasive skills assessment methods are essential in developing efficient surgical simulators and implementing consistent skills evaluation. Although numerous methods have been investigated in the literature, there is still a need to further improve the accuracy of surgical skills assessment. Energy expenditure can be an indication of motor skills proficiency. The goals of this study are to develop objective metrics based on energy expenditure, normalize these metrics, and investigate classifying trainees using these metrics. To this end, different forms of energy consisting of mechanical energy and work were considered and their values were divided by the related value of an ideal performance to develop normalized metrics. These metrics were used as inputs for various machine learning algorithms including support vector machines (SVM) and neural networks (NNs) for classification. The accuracy of the combination of the normalized energy-based metrics with these classifiers was evaluated through a leave-one-subject-out cross-validation. The proposed method was validated using 26 subjects at two experience levels (novices and experts) in three arthroscopic tasks. The results showed that there are statistically significant differences between novices and experts for almost all of the normalized energy-based metrics. The accuracy of classification using SVM and NN methods was between 70% and 95% for the various tasks. The results show that the normalized energy-based metrics and their combination with SVM and NN classifiers are capable of providing accurate classification of trainees. The assessment method proposed in this study can enhance surgical training by providing appropriate feedback to trainees about their level of expertise and can be used in the evaluation of proficiency.

  4. Arthroscopic suprascapular neurotomy for the painful irreparable rotator cuff tear

    Science.gov (United States)

    Mclaughlin-Symon, Iain; Heasley, Richard; Morgan, Barnes; Ravenscroft, Matt

    2014-01-01

    Background Massive irreparable rotator cuff tears are becoming increasingly difficult to manage. Methods Patients were considered for treatment if they had a painful shoulder in the presence of a compensated cuff tear. All patients had radiological evidence of a massive irreparable cuff tear and underwent suprascapular neurotomy, arthroscopically. Results There were 15 males and 25 females with a mean age of 74 years (range 59 years to 88 years). The mean pre-operative Oxford Shoulder Score (OSS) in all patients was 17.7, with a mean pre-operative visual analogue score (VAS) of 8.0. The mean post-operative OSS was 30.8 [27.42–34.18 = confidence interval (CI) 95%] with a mean VAS of 3.6 (2.64–4.56 CI 95%) at the 3-month (short-term) period (n = 32). The medium-term (1-year) OSS and VAS had improved to 33.6 (32.27–34.93 = CI 95%) and 3.7 (0–8.39 CI 95%) respectively (n = 26). The difference pre- and postoperatively at 12 months was statistically significant (p < 0.001). Patients who underwent biceps tenotomy at the time of surgery had a less significant improvement in their VAS and OSS. Conclusions Suprascapular neurotomy can afford medium-term benefit in over two-thirds of the patients who would otherwise have undergone reverse polarity shoulder replacements. We consider that this is a reproducible technique. PMID:27582962

  5. BiPOD Arthroscopic Acromioclavicular Repair Restores Bidirectional Stability.

    Science.gov (United States)

    De Beer, Joe; Schaer, Michael; Latendresse, Kim; Raniga, Sumit; Moor, Beat K; Zumstein, Matthias A

    2016-09-19

    Stabilizing the acromioclavicular joint in the vertical and horizontal planes is challenging, and most current techniques do not reliably achieve this goal. The BiPOD repair is an arthroscopically assisted procedure performed with image intensifier guidance that reconstructs the coracoclavicular ligaments as well as the acromioclavicular ligaments to achieve bidirectional stability. Repair is achieved with a combination of 2-mm FiberTape (Arthrex, Naples, Florida) and 20-mm Poly-Tape (Neoligaments, Leeds, England) to achieve rigid repair, prevent bone abrasion, and promote tissue ingrowth. This study is a prospective review of the first 6 patients treated for high-grade acute acromioclavicular injury with the BiPOD technique. The study included 6 men who were 21 to 36 years old (mean, 27 years). At 6-month follow-up, complications were recorded and radiographic analysis was used to determine the coracoclavicular distance for vertical reduction and the amount of acromioclavicular translation on the Alexander axillary view was used to determine horizontal reduction. One patient had a superficial infection over the tape knot. The difference in coracoclavicular distance between the operated side and the uninvolved side was 9±2 mm preoperatively and 0.3±2 mm at 6-month follow-up. On Alexander axillary view, all 6 patients showed stable reduction, which is defined as a clavicle that is in line with the acromion. The findings show that BiPOD acromioclavicular reconstruction restores bidirectional stability of the acromioclavicular joint at 6 months. [Orthopedics. 201x; xx(x):exx-exx.].

  6. Arthroscopic Debridement and Synovium Resection for Inflammatory Hip Arthritis

    Institute of Scientific and Technical Information of China (English)

    Mi Zhou; Zhong-li Li; Yan Wang; Yu-jie Liu; Shu-ming Zhang; Jie Fu; Zhi-gang Wang; Xu Cai; Min Wei

    2013-01-01

    Objective To evaluate the efficacy of arthroscopic surgery in inflammatory hip arthritis. Methods A retrospective clinical study was conducted inspecting 40 hips in 36 patients of inflam-matory arthritis. There were 17 cases of ankylosing spondylitis,11 cases of rheumatoid arthritis,and 8 cases of psoriatic arthritis. The joints were irrigated and the inflamed tissues were debrided with anthroscopy. The patients were followed up with Harris hip score,Oxford hip score,Visual Analog Scale (VAS),and magnetic resonance imaging (MRI). Statistical analysis was performed using Student t test. Results All of the 36 cases were followed up for 46-103 months,averaging 67.2±8.4 months. Har-ris and Oxford scores increased from 66.9±12.1 and 69.4±16.4 before operation to 78.4±19.3 and 80.2±18.8 after operation,respectively (P<0.05). VAS score decreased from pre-operative 8.5±2.5 to post-operative 7.2±2.5 (P<0.05). All the patients showed improved joint range of motion. MRI revealed al-leviation of hip synovitis. The results were classified as excellent in 8 patients,good in 17 patients,fair in 8 patient,and poor in 3 according to Harris hip score. Twenty-seven patients were satisfied with the operative outcomes as they regained normal daily activities. Conclusions Arthroscopy-assisted joint debridement and synovium resection is an effective proce-dure for hip lesion in inflammatory arthritis. The inflammatory lesion might be thereby controlled and the symptoms be relieved.

  7. An arthroscopic evaluation of the anatomical "critical zone".

    Science.gov (United States)

    Naidoo, Nerissa; Lazarus, Lelika; Osman, Shameem Ahmed; Satyapal, Kapil Sewsaran

    2016-09-26

    The "critical zone", a region of speculated vascularity, is situated approximately 10mm proximal to the insertion of the supraspinatus tendon. Despite its obvious role as an anatomical landmark demarcator, its patho-anatomic nature has been identified as the source of rotator cuff pathology. Although many studies have attempted to evaluate the vascularity of this region, the architecture regarding the exact length, width and shape of the critical zone, remains unreported. This study aimed to determine the shape and morphometry of the "critical zone" arthroscopically. The sample series, which comprised of 38 cases (n = 38) specific to pathological types, employed an anatomical investigation of the critical zone during routine real-time arthroscopy. Demographic representation: i) Sex: 19 Males, 19 Females; ii) Age range: 18 - 76 years old; iii) Race: White (29), Indian (7) and Coloured (2). The incidence of shape and the mean lengths and widths of the critical zone were determined in accordance with the relevant demographic factors and patient history. Although the cresenteric shape was predominant, hemispheric and sail-shaped critical zones were also identified. The lengths and widths of the critical zone appeared markedly increased in male individuals. While the increase in age may account for the increased incidence of rotator cuff degeneration due to poor end vascular supply, the additional factors of height and weight presented as major determinants of the increase in size of the critical zone. In addition, the comparisons of length and width with each other and shape yielded levels of significant difference, therefore indicating a directly proportional relationship between the length and width of the critical zone. This detailed understanding of the critical zone may prove beneficial for the success of post-operative rotator cuff healing.

  8. Effect of nabumetone on hemostasis during arthroscopic knee surgery.

    Science.gov (United States)

    Schnitzer, T J; Donahue, J R; Toomey, E P; Holtby, R M; Scuderi, G R; Adams, P L; Poland, M P

    1998-01-01

    The known effects of commonly used nonsteroidal anti-inflammatory drugs (NSAIDs) on hemostatic parameters have led to concern over their use in the perioperative period. Nabumetone, unlike other NSAIDs, has little effect on collagen-induced platelet aggregation. To evaluate the effect of nabumetone 2000 mg daily on other hemostatic parameters (e.g., bleeding time, prothrombin time, and partial thromboplastin time) in the clinical setting, this double-masked study was conducted in patients with osteoarthritis undergoing arthroscopic knee surgery. After a 1-week placebo washout period, 58 patients were randomized to receive nabumetone and 53 were randomized to receive placebo. They were assessed before surgery (after 1 to 2 weeks of treatment) and again after surgery (after an additional 3 weeks of treatment). The study was designed to have 90% power to show equivalence in bleeding time to within 1.5 minutes, a difference assumed to be of no clinical importance. No meaningful differences were observed between the groups in any of the measured hemostatic parameters. Before surgery, the bleeding time increased by only 0.3 minutes with nabumetone and decreased by 0.2 minutes with placebo. The mean (+/- SD) difference between the groups in change from baseline was 0.5 +/- 0.3 minutes. After surgery, the changes were 0.1 minutes and 0.0 minutes, respectively, and the difference between groups was 0.2 +/- 0.3 minutes. These differences were neither statistically nor clinically significant, and maximum individual increases were similar in each group. Furthermore, there were no reports of abnormal bleeding in the operative knees. The results of this study show that nabumetone had little or no effect on hemostasis and suggest that this drug can be used safely in the perioperative period.

  9. FUNCTIONAL OUTCOME OF ARTHROSCOPIC RECONSTRUCTION OF ANTERIOR CRUCIATE LIGAMENT TEARS

    Directory of Open Access Journals (Sweden)

    Ashok Kumar

    2016-02-01

    Full Text Available BACKGROUND Anterior Cruciate Ligament (ACL tear is the most common serious ligamentous injury to the knee joint. Anterior Cruciate Ligament (ACL injury is quite common among young active population, athletes and contact sports. The exact incidence of anterior cruciate ligament tears is not known as the cases are being under reported. The ACL is the primary stabilizer against anterior translation of the tibia on the femur and is important in counteracting rotation and valgus stress. MATERIALS AND METHODS Between November 2012 to October 2014, 34 consecutive patients who underwent arthroscopic assisted ACL reconstructions in the Department of Orthopedics and Traumatology, King George Hospital, Visakhapatnam were the material in our study. Age groups between 18 to 45 years considered. We utilised both BPTB and Quadrupled hamstring graft depending on the patient’s age, outcome testing in all cases was performed at the latest follow-up (at least 6 months. Post-operative physiotherapy rehabilitation protocol followed for 06 months. RESULTS Standard protocol of Lysholm and IKDC knee scoring system were used for evaluation of the results of the surgery during followup. Patients were evaluated periodically at preop, 3 months, 6 months, 12 months, 18 months and 24 months. CONCLUSION Patients with isolated ACL injury had better outcome compared to patients who underwent associated meniscectomy. Most common mechanism of injury was activity of sports in 20 patients. Postoperatively at 3 months, anterior drawer’s was 1+ in 6, 29 (85.2% patients had normal range of motion; 29 (85.29% patients had 5/5 quadriceps power (MRC grading 94% of them had 5/5 power at latest followup. No significant difference between outcomes of BPTB and Hamstrings graft. Functional outcome of our study were similar to the previously published studies.

  10. Editorial Commentary: Arthroscopic Rotator Cuff Repair--Infection Rate After Rotator Cuff Repair With Arthroscopic, Open, and Mini-open Techniques.

    Science.gov (United States)

    Brand, Jefferson C

    2016-03-01

    In "Risk Factors for Infection After Rotator Cuff Repair," B. G. Vopat et al. report a lower rate of postoperative infection with an arthroscopic rotator cuff repair than with an open or mini-open approach. Although there were only 14 infections (infection rate of 0.77%), the reason for the preponderance of male patients, 13 of the 14 infections, needs further research to determine effective preventive strategies.

  11. Snapping scapula. Arthroscopic resection of osteochondroma of the subscapularis superomedial angle. Case report and literature review

    Directory of Open Access Journals (Sweden)

    Alexandre Tadeu do Nascimento

    Full Text Available ABSTRACT Snapping scapula syndrome has several etiologies, including subscapular osteochondroma. When this tumor needs to be removed, this can be done arthroscopically, a procedure that has restricted indications. The authors present a case of a patient with superomedial subscapular osteochondroma who underwent a scapulothoracic arthroscopy for its removal.

  12. Arthroscopic knotless anchor repair of triangular fibrocartilage in distal radius fracture.

    Science.gov (United States)

    García-Ruano, Á A; Najarro-Cid, F; Jiménez-Martín, A; Gómez de los Infantes-Troncoso, J G; Sicre-González, M

    2015-01-01

    Lesions of triangular fibrocartilage (TFC) are associated with distal radioulnar joint instability. Arthroscopic treatment of these lesions improves functional outcome of affected patients. The aim of the present work is to evaluate functional and occupational outcome of TCF repair using an arthroscopic knotless anchor device in patients with associated distal radius fracture. An observational, descriptive study was carried out between November 2011 and January 2014 including 21 patients with distal radius fracture and Palmer 1B lesions of TCF (Atzei class 2 and 3) that were treated by arthroscopic knotless anchor (PopLok® 2,8mm, ConMed, USA). Mean follow-up was 18 months. Functional (Mayo Wrist Score) and occupational outcome results were analyzed. Mean age of the group was 43.0±8.8 years, with 19% of the patients being female. There was an associated scapholunate lesion in 5 cases. Functional results reached a mean of 83.4±16.1 points onMayo Wrist Score. Mean sick-leave time was 153.16±48.5 days. Complete occupational reintegration was reached in 89.5% of cases. There were no postoperative complications. Arthroscopic knotless anchor repair of 1B TFC tears is a minimally invasive method of treatment that improves tension of fixation, avoiding subsequent loosen, in our experience, with few complications and good functional and occupational results. Copyright © 2014 SECOT. Published by Elsevier Espana. All rights reserved.

  13. Arthroscopic bursectomy with concomitant iliotibial band release for the treatment of recalcitrant trochanteric bursitis.

    Science.gov (United States)

    Farr, Derek; Selesnick, Harlan; Janecki, Chet; Cordas, Daniel

    2007-08-01

    Trochanteric bursitis with lateral hip pain is a commonly encountered orthopaedic condition. Although most patients respond to corticosteroid injections, rest, physical therapy (PT), stretching, and anti-inflammatory medications, those with recalcitrant symptoms may require operative intervention. Studies have explored the use of the arthroscope in the treatment of these patients. However, these reports have not addressed the underlying pathology in this chronic condition. We believe that the iliotibial band must be addressed and is the main cause of pain, inflammation, and trochanteric impingement leading to the development of bursitis. We report a new technique for arthroscopic trochanteric bursectomy with iliotibial band release. Our technique involves 2 incisions--one 4 cm proximal to the greater trochanter along the anterior border of the iliotibial band, and the other 4 cm distal and along the posterior border. The 30 degrees arthroscope is introduced through the inferior portal, and a cannula is introduced through the superior portal. A 5.5-mm arthroscopic shaver is inserted through the superior cannula to clear off the surface of the iliotibial band, so that it may be adequately visualized. A hooked electrocautery probe is then used to longitudinally incise the iliotibial band until it no longer rubs, causing impingement over the greater trochanter.

  14. Osteonecrosis of the knee following arthroscopic meniscectomy; Osteoenecrosis de rodilla tras meniscectomia artrosocpica

    Energy Technology Data Exchange (ETDEWEB)

    Dobado, M. C.; Mota, J.; Roca, M. [Instituto Clinico Corachan. Barcelona (Spain)

    2000-07-01

    Primary osteonecrosis of the knee is characterized by acute onset of pain in elderly individuals who present no risk factors. Osteonecrosis following arthroscopic surgery for meniscal repair is a rare occurrence, the etiology of which remains to be determined. The authors present the magnetic resonance findings in a new case and a review of the related literature. (Author) 7 refs.

  15. The efficacy of adductor canal blockade after minor arthroscopic knee surgery

    DEFF Research Database (Denmark)

    Espelund, M; Fomsgaard, J S; Haraszuk, J;

    2014-01-01

    BACKGROUND: Adductor canal blockade (ACB) has been demonstrated to be effective in the treatment of post-operative pain after major knee surgery. We hypothesised that the ACB would reduce pain and analgesic requirements after minor arthroscopic knee surgery. METHODS: Seventy-two patients scheduled...

  16. Arthroscopic subcapital realignment osteotomy in chronic and stable slipped capital femoral epiphysis: early results

    Directory of Open Access Journals (Sweden)

    Bruno Dutra Roos

    Full Text Available ABSTRACT OBJECTIVE: This study aimed to evaluate the clinical and radiographic outcomes, as well as the complications of arthroscopic subcapital realignment osteotomy in chronic and stable slipped capital femoral epiphysis (SCFE. As indicated by the literature review, this is the first time this type of arthroscopic osteotomy was described. METHODS: Between June 2012 and December 2014, seven patients were submitted to arthroscopic subcapital realignment osteotomy in chronic and stable SCFE. The mean age was 11 years and 4 months, and the mean follow-up period was 16.5 months (6-36. Clinical results were evaluated using the Modified Harris Hip Score (MHHS, which was measured pre- and postoperatively. Radiographs were evaluated using the Southwick quantitative classification and the epiphysis-diaphysis angle (pre- and postoperatively. Complications were assessed. RESULTS: The mean preoperative MHHS was 35.8 points, and 97.5 points post-operatively (p < 0.05. Radiographically, five patients were classified as Southwick classification grade II and two as grade III. The mean correction of the epiphysis-diaphysis angle was 40°. No immediate postoperatively complications were observed. One patient presented femoral head avascular necrosis, without collapse or chondrolysis at the most recent follow-up (22 months. CONCLUSION: The arthroscopic technique presented for subcapital realignment osteotomy in chronic and stable SCFE showed satisfactory clinical and radiographic outcomes in a 16.5 months follow-up period.

  17. Arthroscopically Assisted Acromioclavicular and Coracoclavicular Ligament Reconstruction for Chronic Acromioclavicular Joint Instability.

    Science.gov (United States)

    Martetschläger, Frank; Tauber, Mark; Habermeyer, Peter; Hawi, Nael

    2016-12-01

    Acromioclavicular (AC) joint injuries are common injuries, especially in the young and active, male population. AC joint injuries account for 12% of all injuries of the shoulder girdle in the overall population. Although conservative treatment is recommended for Rockwood type I and type II injuries, there is controversial debate about optimal treatment for type III injuries. High-grade injuries are typically treated operatively to avoid painful sequelae. A vast number of different surgical methods have been described over the past few decades. Recent advances in arthroscopic surgery have enabled the shoulder surgeon to treat acute and chronic AC lesions arthroscopically assisted. Clinical studies have already shown good and reliable results. Although surgeons agree that a biological augmentation is required to minimize the risk of recurrent instability in chronic cases, a gold standard still needs to be defined. We present an arthroscopically assisted biological augmentation technique to reconstruct the AC and coracoclavicular ligaments, protected by a button-suture tape construct for chronic AC joint instability. The presented arthroscopic biological augmentation technique uses less and/or smaller drill holes in the clavicle and coracoid than previously described, thus reducing weakening of the bony structures. At the same time it enhances both horizontal and vertical stability.

  18. Arthroscopically assisted osteosynthesis of tibial plateau fractures in patients older than 55 years

    NARCIS (Netherlands)

    Roerdink, WH; Oskam, J; Vierhout, PAM

    2001-01-01

    Purpose: To evaluate the end results of arthroscopically assisted osteosynthesis of tibial plateau fractures in patients older than 55 years of age. Type of Study: Case series. Methods: Over a 5-year period, 201 consecutive patients presented with tibial plateau fracture; 131 of these patients were

  19. [Modified arthroscopic Latarjet procedure for the treatment of anterior shoulder instability].

    Science.gov (United States)

    Wu, G; Jiang, C Y; Lu, Y; Zhu, Y M; Li, F L; Li, X

    2015-04-18

    To present the surgical technique and to evaluate the results of the modified arthroscopic Latarjet procedure. Arthroscopic Latarjet procedure has proven to be a reliable method of treatment for difficult anteroinferior instability of the shoulder joint. However, there is no anterior capsule reattachment and too much subscapularis damage for the classic procedure. From February 2013, we modified the classic procedure with reattachment of anterior joint capsule and muscle-tendon junction splitting of subscapularis. Coracoid graft position was evaluated using CT scanning. From March 2012 to August 2014, 51 modified Latarjet procedures were successfully performed arthroscopically for patients with anterior shoulder instability. According to the CT scanning at the final follow up, the graft was flush with the glenoid in 94.1%, and medially placed in 5.9%. Vertical positioning was perfect in 96.0% (2 to 5 o'clock), too high in 2.0%, and too low in 2.0%. There were no cases of recurrent dislocation or subluxation. The modified arthroscopic Latarjet procedure has shown satisfactory results with good graft positioning. It is a minimal invasive and accurate approach, which combines the advantages of the open procedure.

  20. Identification of a Remodeled Neo-tendon After Arthroscopic Latarjet Procedure.

    Science.gov (United States)

    Smolen, Daniel; Went, Philip; Tomala, Dirk; Sternberg, Christoph; Lafosse, Laurent; Leuzinger, Jan

    2017-03-01

    To macroscopically, histologically, and radiologically describe a time-dependent remodeling process of a neo-tendon or -ligament in the shoulder after the arthroscopic Latarjet procedure. During follow-up surgery after the arthroscopic Latarjet procedure, 17 shoulders in 16 patients were evaluated for a remodeled tendon-like structure. The mean overall follow-up period was 27.4 months. The mean time between the arthroscopic Latarjet procedure and revision was 11.6 months. All shoulders were evaluated with magnetic resonance imaging, and seven histologic specimens were obtained during revision surgery. A distinct, oriented strand of tissue was found in 16 of 17 shoulders on revision surgery. Postoperative magnetic resonance imaging analyses showed a signal-free, longitudinal tendon-like structure originating at the tip of the acromion, traversing the space of the former subcoracoid bursa to attach in the course of the transposed conjoint tendon or the proximal short head of the biceps. Histologic analysis of seven specimens showed a characteristic timeline of remodeling. A tendon- or ligament-like structure is remodeled between the anterior bottom tip of the acromion and the transposed coracoid process in a time-dependent manner after the arthroscopic Latarjet procedure. Level IV, therapeutic case series. Copyright © 2016 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  1. Application of optical coherence tomography enhances reproducibility of arthroscopic evaluation of equine joints

    NARCIS (Netherlands)

    Niemelä, Tytti; Virén, Tuomas; Liukkonen, Jukka; te Moller, Nikae; Puhakka, Pia H.; Jurvelin, Jukka S.; Tulamo, R.M.; Töyräs, Juha

    2014-01-01

    Background: Arthroscopy is widely used in various equine joints for diagnostic and surgical purposes. However, accuracy of defining the extent of cartilage lesions and reproducibility in grading of lesions are not optimal. Therefore, there is a need for new, more quantitative arthroscopic methods. A

  2. Arthroscopic treatment of impingement of the ankle reduces pain and enhances function

    DEFF Research Database (Denmark)

    Rasmussen, S; Hjorth Jensen, C

    2002-01-01

    of pain. Gait was improved in 30/41 patients and 22 resumed sporting activities. The results were graded excellent in 67, good in 25, fair in six and poor in seven patients. There were four deep infections and one synovial fistula in this series. The deep infections all responded well to arthroscopic...

  3. Posterior Arthroscopic Subtalar Arthrodesis: Clinical and Radiologic Review of 19 Cases.

    Science.gov (United States)

    Martín Oliva, Xavier; Falcão, Pedro; Fernandes Cerqueira, Raul; Rodrigues-Pinto, Ricardo

    Arthroscopic subtalar arthrodesis has recently gained popularity in the treatment of primary subtalar or post-traumatic arthritis, coalition, or inflammatory diseases with subtalar arthritis. The present study reports the clinical and radiologic results of 19 patients (19 feet) who underwent posterior arthroscopic subtalar arthrodesis using 2 posterior portals. A total of 19 posterior arthroscopic subtalar arthrodeses (minimum follow-up of 24 months) performed without a bone graft and with 2 parallel screws were prospectively evaluated. The fusion rate was 94% (mean time to fusion 9.8 weeks). Modified American Orthopaedic Foot and Ankle Society ankle-hindfoot scale score (maximum 94 points) improved significantly from 43 to 80 points and the visual analog scale for pain score improved from 7.6 to 1.2. The 12-item short-form physical and mental scores at the last follow-up point were 52.5 and 56.4, respectively. One (5.3%) patient underwent open repeat fusion for nonunion, 2 (10.5%) patients required a second procedure for implant removal, and 1 (5.3%) experienced reversible neuropraxia. In conclusion, posterior arthroscopic subtalar arthrodesis is a safe technique with a good union rate and a small number of complications in patients with no or very little hindfoot deformity. Copyright © 2017 American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.

  4. [Arthroscopic therapy of tendinitis calcarea--acromioplasty or removal of calcium?].

    Science.gov (United States)

    Jerosch, J; Strauss, J M; Schmiel, S

    1996-12-01

    In a retrospective analysis we evaluated 48 patients who had been arthroscopically treated for tendinitis calcarea. The calcific deposit was removed whenever possible and all patients were treated by arthroscopic subacromial decompression. In subjects who showed subacromial stenosis by X-ray or by intraoperative findings, an arthroscopic acromioplasty was performed. At follow-up all patients were evaluated according to the Constant score. Additionally all pre- and postoperative X-rays were reviewed. After surgery the Constant score significantly improved. In all cases where acromioplasty was performed, a flattening of the bony configuration was achieved. The X-ray analysis showed that no calcific deposit with blurred borders converted to sharp borders. There was also no deposit that converted from a transparent appearance to a dense structure. Patients with disappearance of the calcific deposit post-operatively had significantly better outcome than patients with no change in the X-ray. An additional acromioplasty did not improve the results. The aim of arthroscopic treatment of calcific tendinitis has to be the removal of the calcific deposit. Acromioplasty does not lead to further improvement to the result.

  5. Results of arthroscopic iliopsoas tendon release in competitive and recreational athletes.

    Science.gov (United States)

    Anderson, Scott A; Keene, James S

    2008-12-01

    An arthroscopic iliopsoas tendon release will alleviate painful snapping of the tendon. One question that remains is whether athletes can return to sports after this procedure. This study presents the results of 5 competitive and 10 recreational athletes who had an arthroscopic release of their iliopsoas tendon. Athletes can return to full participation in their sport after an arthroscopic iliopsoas tendon release. Case series; Level of evidence, 4. Fifteen athletes (2 college, 3 high school, 10 recreational) with painful snapping hips and no pain relief after anesthetic magnetic resonance arthrography had an ultrasound evaluation of their iliopsoas tendon and an anesthetic injection into the psoas bursa. In all 15 patients, the injection relieved their hip pain, and in 10 patients, real-time imaging demonstrated snapping of the tendon. All hips were assessed with Byrd's 100-point hip scoring system before the release and at 1.5, 3, 6, and 12 months after surgery. Preoperative hip scores averaged 41 and 44 points for the competitive and recreational athletes, respectively. After surgery, the 2 groups used crutches for 4 weeks, and had 6-week scores that averaged 87 and 63 points. At 6 months, their scores averaged 94 and 98 points, and at 12 months, 96 and 97 points, and none had recurrence of their snapping or pain. All 15 athletes returned to full participation in their sport at an average of 9 months after surgery. A return to college, high school, and recreational sports can be expected after an arthroscopic release of the iliopsoas tendon.

  6. The Impact of Arthroscopic Capsular Release in Patients with Primary Frozen Shoulder on Shoulder Muscular Strength

    Directory of Open Access Journals (Sweden)

    Michał Waszczykowski

    2014-01-01

    Full Text Available The aim of this study was to evaluate the impact of arthroscopic capsular release in patients with primary frozen shoulder on muscular strength of nonaffected and treated shoulder after at least two-year follow-up after the surgery. The assessment included twenty-seven patients, who underwent arthroscopic capsular release due to persistent limitation of range of passive and active motion, shoulder pain, and limited function of upper limb despite 6-month conservative treatment. All the patients underwent arthroscopic superior, anteroinferior, and posterior capsular release. After at least two-year follow-up, measurement of muscular strength of abductors, flexors, and external and internal rotators of the operated and nonaffected shoulder, as well as determination of range of motion (ROM and function (ASES in the operated and nonaffected shoulder, was performed. Measurement of muscular strength in the patient group did not reveal statistically significant differences between operated and nonaffected shoulder. The arthroscopic capsular release does not have significant impact on the decrease in the muscular strength of the operated shoulder.

  7. The role of osteonecrosis in canine coronoid dysplasia: arthroscopic and histopathological findings.

    Science.gov (United States)

    Mariee, I C; Gröne, A; Theyse, L F H

    2014-06-01

    Coronoid dysplasia (CD) or medial coronoid disease is part of canine elbow dysplasia and eventually results in osteoarthrosis. Although CD was originally attributed to disturbed endochondral ossification, more recent data point to the subchondral bone. The objective of this study was to assess dysplastic bone and cartilage of dogs that underwent unilateral or bilateral arthroscopic subtotal coronoidectomy for the treatment of CD. Arthroscopic findings and histopathology of bone and cartilage removed from elbow joints with CD were compared. The most common arthroscopic finding was fragmentation with softening of the subchondral bone of the central part of the medial coronoid process. In dogs without obvious fragmentation, CD was characterised by bone softening and chondromalacia. During arthroscopic intervention dysplastic bone and cartilage were collected for histopathological assessment. Forty-five slices of formalin-fixed, paraffin-embedded bone and cartilage samples were stained using haematoxylin and eosin and evaluated. Histopathological findings primarily consisted of osteonecrosis of subchondral bone with necrosis within the marrow spaces. Histopathological changes in the articular cartilage were characterised by fibrillation, chondrocyte clone formation, and focal cartilage necrosis. The pathology was found primarily in the subchondral bone and not in the articular cartilage. Vascular compromise may play a role in the pathogenesis of osteonecrosis in CD.

  8. Effect of irrigation fluid temperature on core body temperature and inflammatory response during arthroscopic shoulder surgery.

    Science.gov (United States)

    Pan, Xiaoyun; Ye, Luyou; Liu, Zhongtang; Wen, Hong; Hu, Yuezheng; Xu, Xinxian

    2015-08-01

    This study was designed to evaluate the influence of irrigation fluid on the patients' physiological response to arthroscopic shoulder surgery. Patients who were scheduled for arthroscopic shoulder surgery were prospectively included in this study. They were randomly assigned to receive warm arthroscopic irrigation fluid (Group W, n = 33) or room temperature irrigation fluid (Group RT, n = 33) intraoperatively. Core body temperature was measured at regular intervals. The proinflammatory cytokines TNF-α, IL-1, IL-6, and IL-10 were measured in drainage fluid and serum. The changes of core body temperatures in Group RT were similar with those in Group W within 15 min after induction of anesthesia, but the decreases in Group RT were significantly greater after then. The lowest temperature was 35.1 ± 0.4 °C in Group RT and 35.9 ± 0.3 °C in Group W, the difference was statistically different (P irrigation fluid compared with warm irrigation fluid. And local inflammatory response is significantly reduced by using warm irrigation fluid. It seems that warm irrigation fluid is more recommendable for arthroscopic shoulder surgery.

  9. Arthroscopic resection of the distal clavicle in osteoarthritis of the acromioclavicular joint.

    Science.gov (United States)

    Park, Tae-Soo; Lee, Kwang-Won

    2016-01-01

    Symptomatic acromioclavicular joint (ACJ) lesions are a common cause of shoulder complaints that can be treated successfully with both conservative and surgical methods. There are several operative techniques, including both open and arthroscopic surgery, for excising the distal end of the clavicle. Here, we present a new modified arthroscopic technique for painful osteoarthritis of the ACJ and evaluate its clinical outcomes. Our hypothesis was that 4- to 7-mm resection of the distal clavicle in an en bloc fashion would have several advantages, including no bony remnants, maintenance of stability of the ACJ, and reduced prevalence of heterotopic ossification, in addition to elimination of the pathologic portion of the distal clavicle. 20 shoulders of 20 consecutive patients with painful and isolated osteoarthritis of the ACJ who were treated by arthroscopic en bloc resection of the distal clavicle were included in the study. There were 10 males and 10 females with an average age of 56 years (range 42-70 years). The mean duration of followup was 6 years and 2 months (range 4-8 years 10 months). The results were evaluated using the University of California Los Angeles (UCLA) shoulder rating score. The overall UCLA score was 13.7 preoperatively, which improved to 33.4 postoperatively. All subscores were improved significantly (P acromioclavicular ligament superoposteriorly. This arthroscopic procedure is a reliable and reproducible technique for painful osteoarthritis of the ACJ lesions in active patients engaged in overhead throwing sports and heavy labor.

  10. Intra-articular mepivacaine reduces interventional analgesia requirements during arthroscopic surgery in dogs.

    Science.gov (United States)

    Dutton, T A G; Gurney, M A; Bright, S R

    2014-08-01

    To document efficacy of intra-articular mepivacaine in dogs based on the hypothesis that this would blunt the haemodynamic response to a nociceptive stimulus (arthroscopic surgery), reducing interventional analgesia requirements. A dose of mepivacaine 2% 0 · 1 ml/kg (2 mg/kg) was injected intra-articularly into one randomly assigned elbow joint before surgery in eight dogs undergoing bilateral elbow arthroscopy. Baseline haemodynamic measurements were recorded immediately before the start of each arthroscopic procedure and repeated at arthrocentesis, saline distension of the joint, incision, arthroscopic cannula and obturator insertion and placement of the second portal and haemodynamic variability calculated. If baseline parameters increased by more than 20% suggesting nociception, 1 µg/kg fentanyl was administered intravenously. Significantly less fentanyl was required during arthroscopy on the mepivacaine treated elbows compared to the non-treated elbows (P = 0 · 003) and the time to first fentanyl administration was significantly longer (P = 0 · 0001) in the mepivacaine treated elbows (21 · 2 ± 4 · 9 minutes) compared to the non-treated elbows (6 · 1 ± 2 · 3 minutes). Haemodynamic variability was significantly reduced in the mepivacaine group (heart rate P = 0 · 04, mean arterial pressure P = 0 · 003). Intra-articular mepivacaine blunts the haemodynamic response to arthroscopic surgery in dogs and reduces interventional analgesia requirement. © 2014 British Small Animal Veterinary Association.

  11. Analgesic efficacy of intra-articular morphine after arthroscopic knee surgery in sport injury patients

    Directory of Open Access Journals (Sweden)

    Mitra Yari

    2013-07-01

    Full Text Available BACKGROUND: Anterior Cruciate Ligament (ACL tearing is a common injury among football players. The present study aims to determine the best single-dose of intra-articular morphine for pain relief after arthroscopic knee surgery that, in addition to adequate and long-term analgesia, leads to fewer systemic side effects. METHODS: This clinical trial was conducted on 40 ASA-I athletes. After surgery, all participants received an injection of 20cc of 0.5% intra-articular bupivacaine. In addition, the first control group received a saline injection and 5, 10 and 15 mg of morphine were respectively injected into the joints of the second, third and fourth groups by use of Arthroscopic equipment before the Arthroscopic removal. The amount of pain based on VAS at 1, 2, 4, 6 and 24 hours after surgery, duration of analgesia and the consumption of narcotic drugs were recorded. RESULTS: The VAS scores in the fourth, sixth and twenty-fourth hours after surgery showed a significant difference between the study groups. The average time to the first analgesic request from the bupivacaine plus 15 mg morphine group was significantly longer than other groups and total analgesic requests were significantly lower than other groups. No drowsiness complications were observed in any of the groups in the first 24 hours after injection. CONCLUSION: Application of 15 mg intra-articular morphine after Arthroscopic knee surgery increases the analgesia level as well as its duration (IRCT138902172946N3 .

  12. Results of Latarjet Coracoid Transfer to Revise Failed Arthroscopic Instability Repairs

    Science.gov (United States)

    Nicholson, Gregory P.; Rahman, Zain; Verma, Nikhil N.; Romeo, Anthony A.; Cole, Brian J.; Gupta, Anil Kumar; Bruce, Benjamin

    2014-01-01

    Objectives: Arthroscopic instability repair has supplanted open techniques to anatomically reconstruct anteroinferior instability pathology. Arthroscopic technique can fail for a variety of reasons. We have utilized the Latarjet as a revision option in failed arthroscopic instability repairs when there is altered surgical anatomy, capsular deficiency and/or glenoid bone compromise and recurrent glenohumeral instability. Methods: We reviewed 51 shoulders (40 ♀, 11♂) that underwent Latarjet coracoid transfer for the revision of failed previous arthroscopic instability repair. The avg. age was 32.6 yrs (16-58). All patients had recurrent symptomatic anterior instability after previous arthroscopic surgery, and avg. time from arthroscopic repair to Latarjet was 13 months (4-40 mn). All had either CT or MRI that revealed suture anchor material in the glenoid, labral and capsular stripping, and anteroinferior glenoid bone loss or erosion. Advanced bone loss percentage analysis was not performed for this study. We excluded all patients that had a previous open repair, a seizure disorder, or if the Latarjet was a primary procedure. Outcome scores pre-operatively avg: SST: 6.7 (1-12); VAS: 3 (0-8); ASES: 63 (32-89). Coracoid transfer was performed thru a subscapularis split in 38, and with tendon takedown in 13. The coracoid was osteotomized along its long axis parallel to the undersurface of the lateral aspect. This provided at least 2.5 to 3.5 cm of graft with the conjoined tendon attached. The coracoacromial (CA) ligament was incised leaving a 1 cm. stump. The transfer was affixed flush with the articular surface but not lateral to it, with two 3.5 mm cortical screws in lag fashion overdrilling the coracoid with the CA ligament directed laterally. The capsule was then repaired to the CA ligament to make the transfer extra-articular. Results: At avg. 4 yr (2-7 yrs) follow-up stability had been maintained in 51 (100%).without further instability surgery. There were no

  13. Validity of arthroscopic measurement of glenoid bone loss using the bare spot

    Directory of Open Access Journals (Sweden)

    Miyatake K

    2014-03-01

    Full Text Available Katsutoshi Miyatake, Yoshitsugu Takeda, Koji Fujii, Tomoya Takasago, Toshiyuki Iwame Department of Orthopaedic Surgery, Tokushima Red Cross Hospital, Komatsushima, Tokushima, Japan Purpose: Our aim was to test the validity of using the bare spot method to quantify glenoid bone loss arthroscopically in patients with shoulder instability. Methods: Twenty-seven patients with no evidence of instability (18 males, nine females; mean age 59.1 years were evaluated arthroscopically to assess whether the bare spot is consistently located at the center of the inferior glenoid. Another 40 patients with glenohumeral anterior instability who underwent shoulder arthroscopy (30 males, ten females; mean age 25.9 years were evaluated for glenoid bone loss with preoperative three-dimensional computed tomography (3D-CT and arthroscopic examination. In patients without instability, the distances from the bare spot of the inferior glenoid to the anterior (Da and posterior (Dp glenoid rim were measured arthroscopically. In patients with instability, we compared the percentage glenoid bone loss calculated using CT versus arthroscopic measurements. Results: Among patients without instability, the bare spot could not be identified in three of 27 patients. Da (9.5±1.2 mm was smaller than Dp (10.1±1.5 mm, but it was not significantly different. However, only 55% of glenoids showed less than 1 mm of difference between Da and Dp, and 18% showed more than 2 mm difference in length. The bare spot could not be identified in five of 40 patients with instability. Pearson's correlation coefficient showed significant (P<0.001 and strong (R2=0.63 correlation in percentage glenoid bone loss between the 3D-CT and arthroscopy method measurements. However, in ten shoulders (29%, the difference in percentage glenoid bone loss between 3D-CT and arthroscopic measurements was greater than 5%. Conclusion: The bare spot was not consistently located at the center of the inferior glenoid

  14. Early Functional Outcomes of Periacetabular Osteotomy After Failed Hip Arthroscopic Surgery for Symptomatic Acetabular Dysplasia.

    Science.gov (United States)

    Ricciardi, Benjamin F; Fields, Kara G; Wentzel, Catherine; Kelly, Bryan T; Sink, Ernest L

    2017-09-01

    Persistent acetabular dysplasia is a common reason for the failure of hip arthroscopic surgery; however, the effect of prior hip arthroscopic surgery on functional outcomes after subsequent periacetabular osteotomy (PAO) is unknown. Hypothesis/Purpose: The purpose of this study was to (1) compare demographic and radiological findings in patients who had and had not undergone previous hip arthroscopic surgery before PAO for symptomatic acetabular dysplasia and (2) compare the short-term, hip-specific patient-reported outcomes in these same patient populations. It was hypothesized that prior hip arthroscopic surgery is associated with worse early functional outcomes in PAO. Cohort study; Level of evidence, 3. A retrospective cohort study design was utilized. Patients undergoing PAO were enrolled from a single-center, prospective hip preservation registry from March 2011 to April 2015. Patients with a minimum of 1-year clinical follow-up with preoperative and postoperative outcome scores undergoing PAO were eligible for inclusion (n = 93 patients; mean clinical follow-up, 24 months [range, 11-58 months]). The study group consisted of patients undergoing PAO for symptomatic hip dysplasia after prior hip arthroscopic surgery (PREVSCOPE group; 22 patients, 25 hips). Patients undergoing PAO without prior hip arthroscopic surgery (PAOALONE group; 71 patients, 85 hips) were included as a comparison group. Demographic and radiological variables were recorded. Postoperative functional outcome scores (modified Harris Hip Score [mHHS], Hip Outcome Score [HOS], and International Hip Outcome Tool [iHOT-33]) were recorded at 6 months and annually postoperatively. There were no demographic differences between the 2 groups at baseline. Acetabular version, femoral version, Tönnis grade, preoperative lateral center edge angle, and intraoperative procedures were not different between the 2 groups. At 1-year follow-up from the last hip surgical procedure, the mean (±SD) mHHS (73 ± 14

  15. Reversal of suprascapular neuropathy following arthroscopic repair of massive supraspinatus and infraspinatus rotator cuff tears.

    Science.gov (United States)

    Costouros, John G; Porramatikul, Mason; Lie, Denny T; Warner, Jon J P

    2007-11-01

    The purpose of this study was to study the prevalence of suprascapular neuropathy (SSN) in the setting of massive rotator cuff tears and to determine if arthroscopic rotator cuff repair, even if partial, was associated with reversal of SSN and clinical improvement in pain and function. Over a 13-month period, 26 of 216 patients with rotator cuff tears treated operatively were identified to have massive tears associated with retraction and moderate to severe fatty infiltration of the supraspinatus and infraspinatus muscles. All patients had pain and marked weakness in abduction and external rotation which did not improve with conservative treatment. Electrodiagnostic electromyographic/nerve conduction velocity (EMG/NCV) evaluation, as well as pre- and postoperative questionnaire and physical examination, were performed. An arthroscopic repair, either partial or complete, was performed on patients identified to have a massive rotator cuff tear in association with SSN. Fourteen of 26 patients with massive rotator cuff tears (54%) were identified to have a peripheral nerve injury. Seven of these 26 (38%) had isolated suprascapular nerve injury, 4 had axillary nerve injury, 2 had an associated upper trunk brachial plexus injury, and 1 had a cervical radiculopathy. All 7 patients with isolated suprascapular injury underwent arthroscopic treatment, 1 of which was not technically reparable at the time of surgery. In the 6 patients who underwent either partial or complete arthroscopic repair, follow-up EMG/NCV after 6 months demonstrated partial or full recovery of the suprascapular nerve palsy that correlated with complete pain relief and marked improvement in function. SSN is found in a significant proportion of patients with massive rotator cuff tears, and is associated with pain and dysfunction. Arthroscopic rotator cuff repair can result in reversal of SSN, which may correlate with substantial improvement in pain and function. Level IV, case series.

  16. Morphological classification of acromial spur: correlation between Rockwood tilt view and arthroscopic finding

    Directory of Open Access Journals (Sweden)

    Kongmalai Pinkawas

    2017-01-01

    Full Text Available Purpose and hypothesis: Acromion spur is the extrinsic factor for impingement syndrome and rotator cuff tear. The Rockwood tilt view can be used to evaluate prominence of the anterior acromion, however no study has shown the correlation of findings between the Rockwood tilt view and the arthroscopic finding. Methods: We developed the arthroscopic classification of acromion spur as type 1 flat spur, type 2 bump spur, type 3 heel spur, type 4 keel spur, and type 5 irregular spur. Patients with rotator cuff syndrome who underwent arthroscopic surgery were recruited. Two observers were asked to classify the type of spur from arthroscopic findings and Rockwood tilt views separately in random pattern. The prevalence of supraspinatus tendon tear was also recorded as no tear, partial-thickness tear, and full-thickness tear. Results: The keel spur (33.9% was the most common finding followed by the heel spur (27.8%. The correlation was high especially for the heel, the keel, and the irregular spur (75.47%, 74.03%, and 72.73%, respectively. These three types of spurs have a high prevalence of full thickness of supraspinatus tendon tear. Conclusion: The Rockwood tilt view can be used to evaluate the morphology of an acromion spur, especially the at-risk spur that correlates highly with the full-thickness supraspinatus tendon tear. The arthroscopic classification will also be a useful tool to improve communication between the surgeon and the guide for appropriate treatment in a rotator cuff tear patient when encountering the heel, keel, and irregular spur.

  17. ARTHROSCOPIC DEBRIDEMENT IN OSTEOARTHROSIS OF KNEE JOINT - ANALYSIS OF SHORT TERM BENEFITS

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    Jayakrishnan

    2015-08-01

    Full Text Available BACKGROUND: Many studies have reported symptomatic relief after arthroscopic debridement of knee for osteoarthrosis. The purpose of the study is to find out the outcome of arthroscopic debridement in osteoarthrosis of knee and to arrive at a consensus regarding the subsets of patients with osteoarthrosis who will benefit from the procedure. MATERIALS AND METHODS : 30 patients with osteoarthrosis were subjected for arthroscopic debridement. Patients included were of age greater than 50 years. Standard antero - posterior and lateral radiographs of knee were taken and grading was done using Kellegren and Lawrence system. Arthroscopic grading was done using the Outer bridge classification. Outcomes were assessed at multiple intervals over a 12 month period with a knee score and a functional score. RESULTS: Results were analyzed based on Knee society clinical rating system (1989. At the end of 1month 86.6% had excellent to good results. At the end of 6 months 60% had excellent to good results. At the end of 1 year 37.6% had excellent to good results. At six months follow up results was also evaluated based on different variables - varus deformity, radiographic and arthroscopic grading. Patients with malalignment more than 10 degrees and those with radiographic grading 3 or more were associated with poor results. CONCLUSION: Patients with mild to moderate osteoarthrosis benefitted with excellent to good results from the procedur e. Results were good and long lasting particularly if there was minimal or no malalignment of knee or there was associated mechanical restriction of movement due to meniscal tear or loose bodies.

  18. MRI assessment of tibial tunnel and its relation to complication following arthroscopic reconstruction of anterior cruciate ligament

    Directory of Open Access Journals (Sweden)

    Nadia F. El Ameen

    2014-09-01

    Conclusion: Anterior cruciate ligament reconstruction is one of the most commonly performed sports medicine procedures. MRI proved as an accurate method for post arthroscopic reconstruction evaluation that can help predict post ACL reconstruction complication.

  19. Intraarticular glucocorticoid, morphine and bupivacaine reduces pain and convalescence after arthroscopic ankle surgery: a randomized study of 36 patients

    DEFF Research Database (Denmark)

    Rasmussen, S; Kehlet, H

    2000-01-01

    In a double-blind randomized study, 36 patients undergoing arthroscopic removal of bony spurs and synovitis causing impingement of the ankle were allocated to intraarticular saline or bupivacaine 15 mg + morphine 5 mg + intraarticular methylprednisolone 40 mg. Combined methylprednisolone...

  20. A Meta-Analysis of Arthroscopic versus Open Repair for Treatment of Bankart Lesions in the Shoulder

    National Research Council Canada - National Science Library

    Wang, Lei; Liu, Yaosheng; Su, Xiuyun; Liu, Shubin

    2015-01-01

    The optimal treatment for Bankart lesion remains controversial. Therefore, we performed this meta-analysis to compare the clinical outcomes of patients managed with open Bankart repair versus arthroscopic Bankart repair...

  1. Arthroscopic synovectomy in rheumatoid synovitis of knee joint

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    G M Kavalersky

    2009-01-01

    Full Text Available Objective. To determine indications to and efficacy of arthroscopic synovectomy (AS via anteriolateral portal in rheumatoid arthritis (RA with knee joint synovitis. Material and methods. 139 pts with RA and knee joint synovitis were included. Kneeswelling, pain, restriction of movement score (from 0 to 3 were assessed at baseline and at the end of the study. Coefficient of conservative treatment inefficacy (duration of treatmentwithout significant improvement was counted. Value of this coefficient multiplication by the sum of the above mentioned measures was used to determine indications to AS. AS was indicated in 111 cases (79,9%. It was performed in 72 pts (group 1. In 39 pts of group 2 this operation was not performed. 28 pts without indications to AS (group3 continued conservative treatment. Before the operation and after 6 months pts filled SF-36 questionnaire to assess quality of life. We used Russian version of SF-36 which was prepared to assess quality of life of Saint Petersburg adult inhabitants. This version possesses necessary psychometric features and is appropriate for conducting studies of quality of life and health status of Russian population. Results. AS provided significant improvement. All Clinical measures in group 1 showed similar mean improvement approximately by 1 (from 0,83 to 0,95, p<0,001. Integral measures (physical health and psychological health in group 1 pts were higher (by 3,4 and 3,8 respectively. In group 3 all clinical measures values decreased to 0-1 while 30,8-48,7% assessments in group 2 pts showed 2 and in 5,1% - 3 for restriction of movement. Conservative treatment in rheumatoid synovitis is not equally effective for all pts. It does not provide sufficient effect in presence of indications to synovectomy. On the other hand in pts with less severe form of the disease not having indications to synovectomy such therapy provides fast and significant clinical improvement during 6 months of follow up

  2. Intra-articular sodium hyaluronate injections after arthroscopic debridement forosteoarthritis of the knee: a prospective, randomized, controlled study

    OpenAIRE

    Heybeli, Nurettin; Doral, Mahmut; Atay, Özgür; Leblebicioğlu, Gürsel

    2017-01-01

    Objectives: The purpose of this study was to evaluate the effect of intra-articular hyaluronic acid (HA) injections after arthroscopic debridement on pain and functional parameters in patients with mild-to-moderate knee osteoarthritis.Methods: Sixty-seven patients (21 men, 46 women; mean age 56 years; range 40 to 65 years) who underwent standard arthroscopic debridement for primary knee osteoarthritis of Kellgren-Lawrence grade II-III were randomly assigned to HA injections (n=33) or to only ...

  3. Arthroscopic pubic symphysis debridement and adductor enthesis repair in athletes with athletic pubalgia: technical note and video illustration.

    Science.gov (United States)

    Hopp, Sascha; Tumin, Masjudin; Wilhelm, Peter; Pohlemann, Tim; Kelm, Jens

    2014-11-01

    We elaborately describe our novel arthroscopic technique of the symphysis pubis in athletes with osteitis pubis and concomitant adductor enthesopathy who fail to conservative treatment modalities. The symphysis pubis is debrided arthroscopically and the degenerated origin of adductor tendon (enthesis) is excised and reattached. With our surgical procedure the stability of the symphysis pubis is successfully preserved and the adductor longus enthesopathy simultaneously addressed in the same setting.

  4. Arthroscopic Bristow-Latarjet Combined With Bankart Repair Restores Shoulder Stability in Patients With Glenoid Bone Loss

    OpenAIRE

    Boileau, Pascal; Thélu, Charles-Édouard; Mercier, Numa; Ohl, Xavier; Houghton-Clemmey, Robert; Carles, Michel; Trojani, Christophe

    2014-01-01

    Background Arthroscopic Bankart repair alone cannot restore shoulder stability in patients with glenoid bone loss involving more than 20% of the glenoid surface. Coracoid transposition to prevent recurrent shoulder dislocation according to Bristow-Latarjet is an efficient but controversial procedure. Questions/purposes We determined whether an arthroscopic Bristow-Latarjet procedure with concomitant Bankart repair (1) restored shoulder stability in this selected subgroup of patients, (2) with...

  5. Ear Acupuncture for Post-Operative Pain Associated with Ambulatory Arthroscopic Knee Surgery: A Randomized Controlled Trial

    Science.gov (United States)

    2014-01-14

    E7(/(3+21(180%(5 ,QFOXGHDUHDFRGH 14 Jan 2014 Final Report Ear acupuncture for post-operative pain associated with ambulatory arthroscopic...DISTRIBUTION A. Approved for public release: distribution unlimited. The purpose of this study is to compare ear acupuncture plus standard therapy versus...3298 Ear Acupuncture for Post-operative Pa111 Assoc1ated With Ambulatory Arthroscopic Knee Surgery A Randomized Controlled Trial ’• V ’’ ’-’ I

  6. Open Wedge High Tibial Osteotomy and Combined Arthroscopic Surgery in Severe Medial Osteoarthritis and Varus Malalignment: Minimum 5-Year Results

    OpenAIRE

    Yoo, Moon-Jib; Shin, Yong-Eun

    2016-01-01

    Purpose To evaluate the radiologic and functional outcomes of medial open wedge high tibial osteotomy (HTO) combined with arthroscopic procedure in patients with medial osteoarthritis. Materials and Methods From June 1996 to March 2010, 26 patients (32 knees) who underwent medial open wedge osteotomy and arthroscopic operation for medial osteoarthritis were retrospectively reviewed. Measurements included hip-knee-ankle (HKA) angle, femorotibial angle, medial proximal tibial angle, posterior t...

  7. Virtual MR arthroscopy of the shoulder: image gallery with arthroscopic correlation of major pathologies in shoulder instability

    OpenAIRE

    Stecco, A; Volpe, D.; Volpe, N.; Fornara, P; Castagna, A; Carriero, A.

    2008-01-01

    Background The purpose of this study was to compare virtual MR arthroscopic reconstructions with arthroscopic images in patients affected by shoulder joint instability. MR arthrography (MR-AR) of the shoulder is now a well-assessed technique, based on the injection of a contrast medium solution, which fills the articular space and finds its way between the rotator cuff (RC) and the glenohumeral ligaments. In patients with glenolabral pathology, we used an additional sequence that provided vir...

  8. The Analgesic Effects of Morphine and Tramadol Added to Intra-articular Levobupivacaine-Tenoxicam Combination for Arthroscopic Knee Surgery on Postoperative Pain; a Randomized Clinical Trial

    OpenAIRE

    Oral, Ebru Gelici; Hanci, Ayse; Ulufer Sivrikaya, Gulcihan; Dobrucali, Hale; Turkoglu Kilinc, Leyla

    2015-01-01

    Background: Arthroscopic knee surgery is commonly performed as an outpatient procedure and is often associated with postoperative pain. Objectives: We aimed to compare the effects of intra-articular levobupivacaine-tenoxicam-tramadol and levobupivacaine-tenoxicam-morphine combinations on postoperative pain in patients undergoing elective arthroscopic knee surgery. Materials and Methods: A total of 90 ASA I-II patients undergoing elective arthroscopic meniscectomy under general anesthesia were...

  9. A Comparative Study between Use of Arthroscopic Lavage and Arthrocentesis of Temporomandibular Joint Based on Computational Fluid Dynamics Analysis: e78953

    National Research Council Canada - National Science Library

    Yue Xu; Han Lin; Ping Zhu; Wenyan Zhou; Yi Han; Youhua Zheng; Zhiguang Zhang

    2013-01-01

      Arthroscopic lavage and arthrocentesis, performed with different inner-diameter lavage needles, are the current minimally invasive techniques used in temporomandibular joint disc displacement (TMJ-DD...

  10. Outcomes and Complications After Open Versus Posterior Arthroscopic Subtalar Arthrodesis in 121 Patients.

    Science.gov (United States)

    Rungprai, Chamnanni; Phisitkul, Phinit; Femino, John E; Martin, Kevin D; Saltzman, Charles L; Amendola, Annunziato

    2016-04-20

    Subtalar arthrodesis is a standard treatment for subtalar arthritis. Both open and arthroscopic techniques have been described and are commonly used. The cases of a consecutive series of 121 patients treated with either open or posterior arthroscopic techniques are presented with functional outcomes and complications. A retrospective chart review with prospectively collected data was performed for 121 consecutive patients (129 feet) who underwent subtalar arthrodesis with open (60 feet in 57 patients) or arthroscopic (69 feet in 64 patients) techniques between 2001 and 2014. The technique was selected on the basis of the deformity and surgeon preference. The primary outcomes were the visual analog scale (VAS) for pain, Short Form (SF)-36, Foot Function Index (FFI), and Angus and Cowell rating scores. Secondary outcomes included hindfoot alignment, operative time, length of hospital stay, fusion rate, time to return to work, ability to perform sports and activities of daily living, and complications. Both groups demonstrated significant improvement in VAS, SF-36, FFI, and Angus and Cowell rating scale scores. The mean operative time, VAS score, Angus and Cowell rating score, and coronal plane hindfoot alignment were similar between the groups. There were no significant differences within the groups with respect to union rate and time to union among the various sizes of screws and types of bone graft. Sural nerve complications and a painful surgical scar were more frequent in the open group, whereas hardware-related symptoms were more frequent in the arthroscopically treated group. Subtalar arthrodesis performed with open and arthroscopically assisted techniques demonstrated significant improvement in terms of pain and function as measured with the VAS, FFI, and SF-36. While the time to union and to return to work, activities of daily living, and sports activities were significantly shorter for the arthroscopic arthrodesis group, the union rates and complications

  11. Infections following arthroscopic rotator cuff repair: incidence, risk factors, and prophylaxis.

    Science.gov (United States)

    Pauzenberger, Leo; Grieb, Annemarie; Hexel, Michael; Laky, Brenda; Anderl, Werner; Heuberer, Philipp

    2017-02-01

    The primary aim of the present study was to determine the incidence of infections following arthroscopic rotator cuff repair in a single department over a 10-year period. Secondary goals included the evaluation of potential risk factors for infections and to investigate the efficacy of perioperative antibiotic prophylaxis in the reduction of infectious complications. A retrospective evaluation of 3294 all-arthroscopic rotator cuff repairs performed between 2004 and 2014 at a single institution was conducted to determine the rate of infection in all-arthroscopic rotator cuff repairs. Detailed data including demographics, co-morbidities, initial surgical procedure, time from index surgery to infection, clinical presentation, isolated pathogens, and subsequent treatment were recorded of patients with infections. Univariate logistic regression was performed, and a multivariate model was developed to identify variables that were predictive of infections following arthroscopic rotator cuff repair. The rate of infection was 8.5/1000 in whom rotator cuff repairs were performed (95 % CI 0.58-1.23 %) during the study period. The most commonly identified pathogen was Staphylococcus epidermidis (n = 11, 39.3 %), followed by Propionibacterium acnes (n = 8, 28.6 %) and Staphylococcus aureus (n = 2, 7.1 %). Patients presented at our institution with signs of infection an average of 28.9 ± 14.7 days after the index surgery. The leading symptom that was present in all patients was diffuse or localized shoulder pain, followed by local signs of infection in 19 (67.9 %), secretion in 14 (50 %), and fever in 9 (32.1 %) patients, respectively. Univariate and multivariate analyses identified the male gender, age over 60, and duration of surgery over 90 min as predictive factors for infection. Administration of perioperative antibiotic prophylaxis was an independent mitigating factor for postoperative infection and reduced the infection rate from 1.54 % (95 % CI 0

  12. Satisfaction, function and repair integrity after arthroscopic versus mini-open rotator cuff repair.

    Science.gov (United States)

    Barnes, L A Fink; Kim, H M; Caldwell, J-M; Buza, J; Ahmad, C S; Bigliani, L U; Levine, W N

    2017-02-01

    Advances in arthroscopic techniques for rotator cuff repair have made the mini-open approach less popular. However, the mini-open approach remains an important technique for repair for many surgeons. The aims of this study were to compare the integrity of the repair, the function of the shoulder and satisfaction post-operatively using these two techniques in patients aged > 50 years. We identified 22 patients treated with mini-open and 128 patients treated with arthroscopic rotator cuff repair of July 2007 and June 2011. The mean follow-up was two years (1 to 5). Outcome was assessed using the American Shoulder and Elbow Surgeons (ASES) and Simple Shoulder Test (SST) scores, and satisfaction. The integrity of the repair was assessed using ultrasonography. A power analysis ensured sufficient enrolment. There was no statistically significant difference between the age, function, satisfaction, or pain scores (p > 0.05) of the two groups. The integrity of the repair and the mean SST scores were significantly better in the mini-open group (91% of mini-open repairs were intact versus 60% of arthroscopic repairs, p = 0.023; mean SST score 10.9 (standard deviation (sd) 1.3) in the mini-open group; 8.9 (sd 3.5) in arthroscopic group; p = 0.003). The ASES scores were also higher in the mini-open group (mean ASES score 91.0 (sd 10.5) in mini-open group; mean 82.70 (sd 19.8) in the arthroscopic group; p = 0.048). The integrity of the repair and function of the shoulder were better after a mini-open repair than after arthroscopic repair of a rotator cuff tear in these patients. The functional difference did not translate into a difference in satisfaction. Mini-open rotator cuff repair remains a useful technique despite advances in arthroscopy. Cite this article: Bone Joint J 2017;99-B:245-9. ©2017 The British Editorial Society of Bone & Joint Surgery.

  13. Preoperative CT planning of screw length in arthroscopic Latarjet.

    Science.gov (United States)

    Hardy, Alexandre; Gerometta, Antoine; Granger, Benjamin; Massein, Audrey; Casabianca, Laurent; Pascal-Moussellard, Hugues; Loriaut, Philippe

    2016-08-25

    The Latarjet procedure has shown its efficiency for the treatment of anterior shoulder dislocation. The success of this technique depends on the correct positioning and fusion of the bone block. The length of the screws that fix the bone block can be a problem. They can increase the risk of non-union if too short or be the cause of nerve lesion or soft tissue discomfort if too long. Suprascapular nerve injuries have been reported during shoulder stabilisation surgery up to 6 % of the case. Bone block non-union depending on the series is found around 20 % of the cases. The purpose of this study was to evaluate the efficiency of this CT preoperative planning to predict optimal screws length. The clinical importance of this study lies in the observation that it is the first study to evaluate the efficiency of CT planning to predict screw length. Inclusion criteria were patients with chronic anterior instability of the shoulder with an ISIS superior to 4. Exclusion criteria were patients with multidirectional instability or any previous surgery on this shoulder. Thirty patients were included prospectively, 11 of them went threw a CT planning, before their arthroscopic Latarjet. Optimal length of both screws was calculated, adding the size of the coracoid at 5 and 15 mm from the tip to the glenoid. Thirty-two-mm screws were used for patients without planning. On a post-operative CT scan with 3D reconstruction, the distance between the screw tip and the posterior cortex was measured. A one-sample Wilcoxon test was used to compare the distance from the tip of the screw to an acceptable positioning of ±2 mm from the posterior cortex. In the group without planning, screw 1 tended to differ from the acceptable positioning: mean 3.44 mm ± 3.13, med 2.9 mm, q1; q3 [0.6; 4.75] p = 0.1118, and screw 2 differed significantly from the acceptable position: mean 4.83 mm ± 4.11, med 3.7 mm, q1; q3 [1.7; 5.45] p = 0.0045. In the group with planning, position of

  14. Arthroscopic treatment of calcifying tendonitis of subscapularis and supraspinatus tendon: a case report.

    Science.gov (United States)

    Ifesanya, Adeleke; Scheibel, Markus

    2007-12-01

    Reports concerning the surgical treatment of calcifying tendinits of the subscapularis tendon are rare. We present the case of a symptomatic calcifying tendonitis involving the subscapularis and supraspinatus tendons. The patient was treated with an arthroscopic removal of the calcific deposits. One year after the surgical procedure the patient was completely pain free, had full range-of-motion and negative supraspinatus and subscapularis signs on manual muscle testing. The overall constant score was 93 points. Radiographic evaluation revealed a complete removal of the calcific deposits immediately after the procedure without recurrence after 1 year. We conclude that a combined arthroscopic removal of the calcific deposits of the subscapularis and supraspinatus tendons can lead to an excellent clinical outcome without compromising the functional integrity of the rotator cuff tendons.

  15. Characteristics and Outcomes of Arthroscopic Femoroacetabular Impingement Surgery in the National Football League.

    Science.gov (United States)

    Nwachukwu, Benedict U; Bedi, Asheesh; Premkumar, Ajay; Draovitch, Pete; Kelly, Bryan T

    2017-09-01

    Previous studies have reported that hip abnormalities may account for 10% of injuries in professional football players. The effect of femoroacetabular impingement (FAI) and arthroscopic FAI surgery in National Football League (NFL) athletes has not been well studied. To investigate the effect of arthroscopic FAI surgery on return to play (RTP) and RTP performance in NFL players. Cohort study; Level of evidence, 3. NFL athletes undergoing arthroscopic FAI surgery at a single institution between 2006 and 2014 were identified. Medical records were reviewed for demographic, clinical, and operative variables. RTP and RTP performance were assessed based on a review of publicly available NFL player statistics. RTP and RTP performance data included time to RTP; games played before and after the injury; yearly total yards and touchdowns for offensive players; and yearly total tackles, sacks, and interceptions for defensive players. The offensive power rating (OPR = [total yards/10] + [total touchdowns × 6]) and defensive power rating (DPR = total tackles + [total sacks × 2] + [total interceptions × 2]) were calculated. Paired t tests comparing preinjury and postinjury seasons were performed. A matched cohort of NFL players was created to compare trends for OPR, DPR, and career longevity. Forty-eight hips in 40 NFL players (mean age, 25.6 years) with symptomatic FAI were included; 8 players underwent staged bilateral hip arthroscopic procedures. The majority of players were offensive (n = 24; 60.0%), with offensive lineman (n = 11; 27.5%) being the most common of all positions. Of the 48 included hips, all had labral tears, and 41 (85.4%) underwent labral repair. Forty-two of the 48 hips (87.5%) underwent cam decompression, and 10 (20.8%) underwent rim decompression. Of the 40 included players, 37 (92.5%) achieved RTP to professional competition after their hip arthroscopic surgery at a mean of 6.0 months. Before the injury, included patients played in a mean of 11

  16. Exercise therapy versus arthroscopic partial meniscectomy for degenerative meniscal tear in middle aged patients

    DEFF Research Database (Denmark)

    Kise, Nina Jullum; Risberg, May Arna; Stensrud, Silje;

    2016-01-01

    clinics in Norway. PARTICIPANTS: 140 adults, mean age 49.5 years (range 35.7-59.9), with degenerative medial meniscal tear verified by magnetic resonance imaging. 96% had no definitive radiographic evidence of osteoarthritis. INTERVENTIONS: 12 week supervised exercise therapy alone or arthroscopic partial......OBJECTIVE: To determine if exercise therapy is superior to arthroscopic partial meniscectomy for knee function in middle aged patients with degenerative meniscal tears. DESIGN: Randomised controlled superiority trial. SETTING: Orthopaedic departments at two public hospitals and two physiotherapy...... months, muscle strength had improved in the exercise group (P≤0.004). No serious adverse events occurred in either group during the two year follow-up. 19% of the participants allocated to exercise therapy crossed over to surgery during the two year follow-up, with no additional benefit. CONCLUSION...

  17. Arthroscopic treatment of chronically painful calcific tendinitis of the rectus femoris.

    Science.gov (United States)

    Peng, Xu; Feng, Yong; Chen, Guangxing; Yang, Liu

    2013-11-23

    Relatively large calcific tendinitis with persistent symptoms after extended periods of conservative treatment is an indication for operative therapy. Arthroscopy, as a treatment for calcific tendinitis of the hip abductors and calcinosis circumscripta, has been described previously; however, to our knowledge, the clinical and radiological response to arthroscopic removal of calcific tendinitis of the rectus femoris tendon has not. We present arthroscopic treatment of unusual calcific tendonitis of the origin of the rectus femoris and associated intra-articular lesions in 3 patients with chronic coxa pain. Our cases show that hip arthroscopy is an effective therapeutic modality for calcific tendinitis of the hip joint with satisfactory short-term outcomes. Calcific tendinitis, although an uncommon clinical entity, should be a part of the differential diagnosis of acute or chronic hip pain.

  18. A Simplified Approach for Arthroscopic Repair of Rotator Cuff Tear with Dermal Patch Augmentation

    Directory of Open Access Journals (Sweden)

    Anthony C. Levenda

    2015-01-01

    Full Text Available Here, we describe an arthroscopic method specifically developed to augment rotator cuff repair using a flexible acellular dermal patch (ADP. In this method, an apparently complex technique is simplified by utilizing specific steps to augment a rotator cuff repair. In this method, using a revised arthroscopic technique, rotator cuff repair was performed. This technique allowed easy passage of the graft, excellent visualization, minimal soft tissue trauma, and full four-corner fixation of an ADP. Twelve patients underwent rotator cuff repair with augmentation using the combination of this method and ADP. Due to the technique and biomechanical characteristics of the material, the repairs have been stable and with high patient satisfaction.

  19. Exercise therapy versus arthroscopic partial meniscectomy for degenerative meniscal tear in middle aged patients

    DEFF Research Database (Denmark)

    Kise, Nina Jullum; Risberg, May Arna; Stensrud, Silje

    2016-01-01

    months, muscle strength had improved in the exercise group (P≤0.004). No serious adverse events occurred in either group during the two year follow-up. 19% of the participants allocated to exercise therapy crossed over to surgery during the two year follow-up, with no additional benefit. CONCLUSION......OBJECTIVE: To determine if exercise therapy is superior to arthroscopic partial meniscectomy for knee function in middle aged patients with degenerative meniscal tears. DESIGN: Randomised controlled superiority trial. SETTING: Orthopaedic departments at two public hospitals and two physiotherapy...... clinics in Norway. PARTICIPANTS: 140 adults, mean age 49.5 years (range 35.7-59.9), with degenerative medial meniscal tear verified by magnetic resonance imaging. 96% had no definitive radiographic evidence of osteoarthritis. INTERVENTIONS: 12 week supervised exercise therapy alone or arthroscopic partial...

  20. Temporomandibular joint osteoarthrosis. Correlation of clinical and arthroscopic findings with degree of molar support

    Energy Technology Data Exchange (ETDEWEB)

    Holmlund, A.; Axelsson, S. (Karolinska Inst., School of Dentistry, Huddinge (Sweden))

    1994-01-01

    The prevalence of temporomandibular joint (TMJ) osteoarthrosis and synovitis was compared in 60 patients with painful chronic locking of the TMJ. 30 patients had reduced molar occlusion, and as controls, 30 age-matched fully dentate patients were examined. Assessment comprised clinical examination (crepitation), tomography (sclerosis and erosions), and arthroscopy (cartilage involvement) of the TMJ. Arthroscopic signs of osteoarthrosis and synovitis were frequent in both groups. The highest frequency of osteoarthrosis was diagnosed by arthroscopy. With regard to clinical signs and symptoms, tomographic signs of osteoarthrosis, and arthroscopic diagnoses, no statistical differences were found between fully dentate subjects and those with reduced molar occlusion. The results do not support the concept that prevention of TMJ osteoarthrosis is an indication for prosthetic replacement of lost molars. 24 refs., 4 tabs.

  1. Arthroscopic Classification of the Lesions of the Dorsal Capsulo-Scapholunate Septum (DCSS) of the Wrist.

    Science.gov (United States)

    Van Overstraeten, Luc; Camus, Emmanuel J

    2016-09-01

    The dorsal capsulo-scapholunate septum (DCSS) is an anatomic structure linking the scapholunate ligament and the dorsal capsule of the wrist. It should be a predynamic scapholunate stabilizer. The authors, using their experience for the extrinsic ligaments testing, suggest an arthroscopic testing of the DCSS. The status could be graded in 4 stages according to the trampoline aspect and to the fiber attachment. They report a preliminary study on a series of 53 arthroscopies made between January 2014 and December 2015 with evaluation of scapholunate ligament instability and DCSS laxity. There is a significant correlation between the lesional stage of the DCSS and the arthroscopic predynamic scapholunate instability stage (P<0.01).

  2. Arthroscopic trans-portal deep medial collateral ligament pie-crusting release.

    Science.gov (United States)

    Atoun, Ehud; Debbi, Ronen; Lubovsky, Omri; Weiler, Andreas; Debbi, Eytan; Rath, Ehud

    2013-02-01

    Arthroscopic treatments of meniscal injuries of the knee are among the most common orthopaedic procedures performed. Adequate visualization of the posterior horn of the medial meniscus might be challenging, especially in patients with tight medial compartments. In these cases instrument manipulation in an attempt to reach the posterior horn of the meniscus can cause an iatrogenic chondral injury because of the narrow medial joint space. A transcutaneous medial collateral ligament (MCL) pie-crusting release facilitates expansion of the medial joint space in a case of a tight medial compartment. Nevertheless, it might cause injury to the superficial MCL, infection, and pain and injury to the saphenous nerve because of multiple needle punctures of the skin. We describe an inside-out, arthroscopic deep MCL pie-crusting release, which allows access to the medial meniscus through the anterior approach to provide good visualization of the footprint and sufficient working space.

  3. Osteoid osteoma (OO of the coracoid: a case report of arthroscopic excision and review of literature

    Directory of Open Access Journals (Sweden)

    Goyal Saumitra

    2015-01-01

    Full Text Available Osteoid osteoma (OO of the coracoid is a rare entity that may present with variable symptoms from shoulder leading to delay in diagnosis and treatment. We present the clinical and radiological findings and management of one such case along with a review of similar cases reported in the literature. There was a delay of 2 years in diagnosis, which was later confirmed by computed tomography in addition to magnetic resonance imaging (MRI. The lesion was accessed arthroscopically and excised by unroofing and curettage. “OO” should be included in the differential diagnosis of shoulder pain in young patients not responding to long-term conservative treatment. Arthroscopic excision and curettage provide a good choice for management, with low morbidity and rapid recovery.

  4. Pustulotic arthro-osteitis report of a case successfully treated with laser-assisted arthroscopic synovectomy.

    Science.gov (United States)

    Yamada, K; Imaizumi, T; Uemura, M

    1999-02-01

    A 61-year-old man with palmoplantar pustulosis had pain and swelling persisting in his left knee for more than 3 years. The rheumatoid factor and HLA B 27 antigen were absent. Plain radiographs of the knee revealed no abnormalities despite the persistent synovitis. The bone scintigraphy showed increased uptake in the manubriosternal joint as well as in the knee. Eventually, the patient underwent arthroscopic synovectomy assisted with a holmium: YAG laser. No postoperative complications such as hemarthrosis were noted. The patient was pain free with full range of motion of the knee 22 months after surgery. Peripheral arthritis associated with palmoplantar pustulosis is usually transient. This unique case suggests that laser-assisted arthroscopic synovectomy would be a useful therapeutic option for persistent severe synovitis resistant to conservative treatment in pustulotic arthro-osteitis.

  5. Over-optimistic patient expectations of recovery and leisure activities after arthroscopic meniscus surgery

    DEFF Research Database (Denmark)

    Pihl, Kenneth; Roos, Ewa M; Nissen, Nis

    2016-01-01

    Background and purpose - Patients' expectations of outcomes following arthroscopic meniscus surgery are largely unknown. We investigated patients' expectations concerning recovery and participation in leisure-time activities after arthroscopic meniscus surgery and the postoperative fulfillment...... their expectations of recovery time and postoperative participation in leisure activities. 3 months after surgery, the patients completed questionnaires on their actual level of leisure activity and their degree of satisfaction with their current knee function. We analyzed differences between the expected outcome...... and the actual outcome, and between fulfilled/exceeded expectations and satisfaction with knee function. Results - 478 patients (97%) completed the follow-up. 91% had expected to be fully recovered within 3 months. We found differences between patients' preoperative expectations of participation in leisure...

  6. Arthroscopic debridement for bilateral calcific tendinitis of the subscapularis tendons: a case report.

    Science.gov (United States)

    Tung, Kam-Lung; Woo, Siu-Bon

    2015-04-01

    We report on a 36-year-old man who underwent arthroscopic debridement for bilateral calcific tendinitis of the subscapularis tendons. The patient had a positive coracoid impingement test for both shoulders. Radiology showed calcific deposits at the insertion of both subscapularis tendons, close to the lesser tuberosities and just posterior to the coracoid tips. The patient underwent sequential arthroscopic coracoplasty and removal of calcific deposits in the subscapularis tendons. The patient returned to work 6 weeks after each surgery. At 2 years, the patient had no shoulder pain, with full range of motion and full power of the subscapularis muscles. The coracoid impingement test was negative for both shoulders. There was no evidence of recurrence.

  7. Arthroscopic double-row anterior stabilization and bankart repair for the "high-risk" athlete.

    Science.gov (United States)

    Moran, Cathal J; Fabricant, Peter D; Kang, Richard; Cordasco, Frank A

    2014-02-01

    In addition to operative intervention for the patient with recurrent shoulder instability, current literature suggests that younger athletic patients unwilling to modify their activities may benefit from an early surgical shoulder stabilization procedure. Although open shoulder stabilization clearly has a role to play in some cases, we believe that further optimization of arthroscopic fixation techniques may allow us to continue to refine the indications for open stabilization. In particular, when an arthroscopic approach is used for capsulolabral repair in relatively high-risk groups, it may be beneficial to use a double-row repair technique. We describe our technique for shoulder stabilization through double-row capsulolabral repair of a soft-tissue Bankart lesion in the high-risk patient with shoulder instability or the patient with a small osseous Bankart lesion.

  8. Arthroscopic Double-Row Anterior Stabilization and Bankart Repair for the “High-Risk” Athlete

    Science.gov (United States)

    Moran, Cathal J.; Fabricant, Peter D.; Kang, Richard; Cordasco, Frank A.

    2014-01-01

    In addition to operative intervention for the patient with recurrent shoulder instability, current literature suggests that younger athletic patients unwilling to modify their activities may benefit from an early surgical shoulder stabilization procedure. Although open shoulder stabilization clearly has a role to play in some cases, we believe that further optimization of arthroscopic fixation techniques may allow us to continue to refine the indications for open stabilization. In particular, when an arthroscopic approach is used for capsulolabral repair in relatively high-risk groups, it may be beneficial to use a double-row repair technique. We describe our technique for shoulder stabilization through double-row capsulolabral repair of a soft-tissue Bankart lesion in the high-risk patient with shoulder instability or the patient with a small osseous Bankart lesion. PMID:24749044

  9. Over-optimistic patient expectations of recovery and leisure activities after arthroscopic meniscus surgery

    DEFF Research Database (Denmark)

    Pihl, Kenneth; Roos, Ewa M; Nissen, Nis;

    2016-01-01

    Background and purpose - Patients' expectations of outcomes following arthroscopic meniscus surgery are largely unknown. We investigated patients' expectations concerning recovery and participation in leisure-time activities after arthroscopic meniscus surgery and the postoperative fulfillment...... their expectations of recovery time and postoperative participation in leisure activities. 3 months after surgery, the patients completed questionnaires on their actual level of leisure activity and their degree of satisfaction with their current knee function. We analyzed differences between the expected outcome...... meniscus surgery were too optimistic regarding their recovery time and postoperative participation in leisure activities. This highlights the need for shared decision making which should include giving the patient information on realistic expectations of recovery time and regarding participation in leisure...

  10. The effect of cold therapy on morbidity subsequent to arthroscopic lateral retinacular release.

    Science.gov (United States)

    Bert, J M; Stark, J G; Maschka, K; Chock, C

    1991-09-01

    Of all arthroscopic procedures, lateral retinacular release carries the greatest potential for morbidity. Complication rates of up to 7.2% have been reported, secondary to intraoperative and postoperative hematoma formation. A prospective double-blind study was conducted in which patients were randomly assigned to one of two groups treated with or without cold therapy for 24 hours postoperatively, subsequent to arthroscopic lateral retinacular release utilizing electrosurgery. Seventy-four percent of the patients treated with cold therapy had good to excellent results postoperatively, and none had significant complications. Thirty-two percent of the patients treated without cold therapy had good to excellent results postoperatively, and two patients experienced significant complications in this group.

  11. A Qualitative Investigation of Return to Sport After Arthroscopic Bankart Repair: Beyond Stability.

    Science.gov (United States)

    Tjong, Vehniah K; Devitt, Brian M; Murnaghan, M Lucas; Ogilvie-Harris, Darrell J; Theodoropoulos, John S

    2015-08-01

    Arthroscopic shoulder stabilization is known to have excellent functional results, but many patients do not return to their preinjury level of sport, with return to play rates reported between 48% and 100% despite good outcome scores. To understand specific subjective psychosocial factors influencing a patient's decision to return to sport after arthroscopic shoulder stabilization. Case series; Level of evidence, 4. Semistructured qualitative interviews were conducted with patients aged 18 to 40 years who had undergone primary arthroscopic shoulder stabilization and had a minimum 2-year follow-up. All patients participated in sport before surgery without any further revision operations or shoulder injuries. Qualitative data analysis was performed in accordance with the Strauss and Corbin theory to derive codes, categories, and themes. Preinjury and current sport participation was defined by type, level of competition, and the Brophy/Marx shoulder activity score. Patient-reported pain and shoulder function were also obtained. A total of 25 patients were interviewed, revealing that fear of reinjury, shifts in priority, mood, social support, and self-motivation were found to greatly influence the decision to return to sport both in patients who had and had not returned to their preinjury level of play. Patients also described fear of sporting incompetence, self-awareness issues, recommendations from physical therapists, and degree of confidence as less common considerations affecting their return to sport. In spite of excellent functional outcomes, extrinsic and intrinsic factors such as competing interests, kinesiophobia, age, and internal stressors and motivators can have a major effect on a patient's decision to return to sport after arthroscopic shoulder stabilization. The qualitative methods used in this study provide a unique patient-derived perspective into postoperative recovery and highlight the necessity to recognize and address subjective and psychosocial

  12. Eikenella corrodens septic hip arthritis in a healthy adult treated with arthroscopic irrigation and debridement.

    Science.gov (United States)

    Gowda, Ashok L; Mease, Samuel J; Dhar, Yasmin

    2014-09-01

    We present the case of a seemingly spontaneous septic hip arthritis in a patient with no pertinent medical history. Our patient presented with persistent and worsening sharp lower back pain and underwent arthrocentesis of the hip joint, yielding purulent fluid positive for Eikenella corrodens. Our patient's treatment consisted of arthroscopic irrigation with debridement and limited synovectomy that used a supine 2-incision technique. To our knowledge, this is the first reported case of an E corrodens septic hip arthritis.

  13. Suprascapular nerve palsy after arthroscopic Latarjet procedure: a case report and review of literature.

    Science.gov (United States)

    Sastre, Sergi; Peidro, Lluis; Méndez, Anna; Calvo, Emilio

    2016-02-01

    The Bristow and Latarjet procedures have become popular among orthopaedic surgeons thanks to the development of new instruments that allow the use of arthroscopic techniques to treat cases of glenohumeral instability with bone defects or capsular deficiency. Nonetheless, several complications have been reported after Latarjet procedures, including neurological injuries. This report describes surgical damage to the suprascapular nerve, an unusual complication. Level of evidence Expert opinion, Level V.

  14. Editorial Commentary: Iliotibial Band Allograft Shows Promise for Arthroscopic Hip Labral Reconstruction.

    Science.gov (United States)

    Rossi, Michael J

    2016-01-01

    Arthroscopic hip labral reconstruction using iliotibial band allograft in a modified front-to-back technique results in improved outcomes after 2-year follow-up. The authors' reasoning for reconstruction are reminiscent of similar arguments for restoring hoop stresses in knee meniscal surgery. Results are comparable to reported outcomes of labral repair, and allograft is particularly indicated for severe labral damage when repair is not possible. Don't miss the related technical note with video in Arthroscopy Techniques.

  15. [Effectiveness of arthroscopic synovectomy in treatment of pigmented villonodular synovitis of knee].

    Science.gov (United States)

    Dong, Peilong; Tang, Xiaobo; Wang, Jian

    2013-10-01

    To explore the effectivness of arthroscopic synovectomy in the treatment of pigmented villonodular synovitis (PVNS) of the knee. A retrospective analysis was conducted on 13 patients with PVNS of the knee treated with arthroscopic synovectomy between June 2008 and December 2011, including 8 left knees and 5 right knees. There were 9 males and 4 females, aged 25-45 years (mean, 33 years). Of 13 patients, 5 had a history of trauma, and 8 had no history of trauma. The disease duration ranged from 4 months to 80 months (mean, 44 months). The preoperative Lysholm score was 45.3 +/- 4.2, and International Knee Documentation Committee (IKDC) 2000 score was 46.8 +/- 4.9. All patients underwent arthroscopic synovectomy and postoperative radiotherapy. The pathological examination proved PVNS in all cases. All incisions obtained healing by first intention after operation. There was no neurovascular injury or knee infection. The average follow-up period was 21.8 months (range, 12-30 months). The Lysholm score was 90.2 +/- 7.4, and IKDC2000 score was 87.8 +/- 3.8 at last follow-up, showing significant differences when compared with preoperative scores (t = 22.64, P = 0.00; t = 24.32, P = 0.00). No recurrence was observed during follow-up. Arthroscopic synovectomy can be effective in the treatment of PVNS of the knee, and it has the merits of minimal invasion, rapid function recovery of the knee joint, and satisfactory results. So it is a safe, promising, and minimal invasive procedure in treatment of PVNS.

  16. Arthroscopic osteochondral autologous transplantation for the treatment of osteochondritis dissecans of the femoral head

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    Uchida Soshi

    2017-01-01

    Full Text Available Osteochondritis dissecans (OCD of the femoral head is an unusual cause of hip pain. It can be associated with other intra-articular pathologies including: acetabular labral tears or bone deformities such as Legg-Calve-Perthes Disease (LCPD. In this article, we propose a modern surgical technique using an arthroscopic antegrade and retrograde osteochondral autologous transplantation (OAT procedure for assessing and treating OCD lesions of the femoral head.

  17. Difference between early versus delayed postoperative physical rehabilitation protocol following arthroscopic rotator cuff repair

    Directory of Open Access Journals (Sweden)

    Samar M Fawzy

    2016-01-01

    Conclusion Significant improvement in pain, ROM, and function after arthroscopic rotator cuff repair was seen at 1 year postoperatively, regardless of early or delayed postoperative rehabilitation protocols. However, early motion increases pain scores and may increase the possibility of rotator cuff retear but with early regain of ROM. A delayed rehabilitation protocol with immobilization for 6 weeks would be better for tendon healing without risk for retear or joint stiffness and easily convalescence with less postoperative pain.

  18. Three-dimensional volume measurement of coracoid graft osteolysis after arthroscopic Latarjet procedure.

    Science.gov (United States)

    Haeni, David L; Opsomer, Gaëtan; Sood, Amit; Munji, Jeremy; Sanchez, Matthieu; Villain, Benoit; Walch, Gilles; Lafosse, Laurent

    2017-03-01

    The Latarjet procedure has been shown to be a reliable method to prevent recurrent anterior shoulder instability. Coracoid bone graft osteolysis is a potential catastrophic complication and can lead to recurrent instability. The purpose of our study is to present a novel quantitative method to measure the amount of coracoid bone osteolysis using 3-dimensional (3D) computed tomography (CT) scan imaging. This is a prospective study with 15 patients (16 shoulders) who underwent an arthroscopic Latarjet procedure. Three-dimensional CT scans were obtained at 6 weeks and 6 months. Using volumetric analysis, we quantified the amount of bone loss using our described method. Interobserver reliability and intraobserver reliability were calculated. On the basis of our new volumetric analysis of the arthroscopic Latarjet procedure using 3D CT scans, we found that the superior half of the coracoid bone graft undergoes a significant amount of osteolysis at 6 months postoperatively. The interobserver reliability and intraobserver reliability were excellent. This study presents a reproducible method to quantify and compare coracoid bone graft osteolysis after an arthroscopic Latarjet procedure. We also developed a description system that may be used for comparison studies. To our knowledge, this is the first method that quantifies the amount of coracoid bone graft osteolysis using more accurate 3D CT scanning. The 3D analysis we propose is a valid method to measure the amount of coracoid bone graft osteolysis after an arthroscopic Latarjet procedure. Our description system may guide the surgeon regarding possible revision surgery when faced with significant osteolysis of the coracoid bone graft. Copyright © 2017 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

  19. Short-term Complications of the Arthroscopic Latarjet Procedure: A North American Experience.

    Science.gov (United States)

    Athwal, George S; Meislin, Robert; Getz, Charles; Weinstein, David; Favorito, Paul

    2016-10-01

    To report on the intraoperative and early postoperative (Latarjet procedure in patients with complex anterior shoulder instability. Between 2010 and 2014, 83 patients underwent an arthroscopic Latarjet procedure for recurrent post-traumatic anterior instability. The group's mean age was 28 ± 10 years and consisted of 76 (92%) male patients. A "problem" was defined as an unanticipated perioperative event that was not likely to affect the patient's final outcome. A "complication" was defined as an event that was likely to negatively affect outcome. At a mean follow-up of 17 months (range, 3 to 43 months), 20 (24%) patients sustained either a problem and/or a complication. The problem rate was 18% and the complication rate was 10%. The most commonly encountered adverse event was intraoperative fracture of the coracoid graft, which occurred in 6 patients (7%). In addition, 1 arthroscopic case was intraoperatively converted to open and 1 patient sustained a transient axillary nerve injury. A total of 7 cases underwent secondary operative procedures. The rate of problems and/or complications in primary cases was not significantly different than revision cases (P = .335). The rate of adverse events reported in this arthroscopic series is not insignificant and is similar to that reported with the traditional open Latarjet. With appropriate training, the arthroscopic Latarjet procedure can be effective for the management of patients with complex shoulder instability. Level IV, therapeutic case series. Copyright © 2016 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  20. Functional outcomes after open versus arthroscopic Latarjet procedure: A prospective comparative study.

    Science.gov (United States)

    Nourissat, G; Neyton, L; Metais, P; Clavert, P; Villain, B; Haeni, D; Walch, G; Lafosse, L

    2016-12-01

    The Latarjet procedure provides effective stabilization of chronically unstable shoulders. Since this procedure is mainly performed in a young athletic population, the functional impact is significant. Published data does not shed light on the time needed to recover work-related or sports-related function. Performing this procedure arthroscopically may improve functional recovery. This led us to carry out a prospective, multicenter study to compare the functional recovery after arthroscopic versus open Latarjet procedure. Between June and November 2014, 184 patients were included in a prospective multicenter study: 85 in the open group and 99 in the arthroscopy group. The patients were evaluated preoperatively with the WOSI score. The early postoperative pain was evaluated on D3, D7 and D30. The WOSI score was determined postoperatively at 1, 3, 6 and 12 months of follow-up. The functional scores of the shoulder in both cohorts were identical overall preoperatively. In the immediate postoperative period, the arthroscopy group had statistically lower pain levels on D3 and D7. The postoperative WOSI was improved in both groups at 3 months, then continued to improve until it reached a plateau at 1 year. The WOSI score was better in the arthroscopy group at 3 months, but better in the open group at 6 months. This study found that a Latarjet procedure performed arthroscopically generates less immediately postoperative pain than when it is performed as an open procedure. The Latarjet procedure (whether open or arthroscopic) improves shoulder function, with normal function returning after 1 year. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

  1. "Wet diapers--dry patients": an effective dressing for patients undergoing arthroscopic shoulder surgery.

    Science.gov (United States)

    Kapila, Atul; Bhargava, Amit; Funk, Len; Copeland, Stephen; Levy, Ofer

    2005-02-01

    Shoulder arthroscopy is very commonly associated with postoperative leakage of irrigation fluid. This causes apprehension to patients and their relatives and leads to frequent change of dressings. We describe a simple and effective diaper dressing for patients undergoing arthroscopic shoulder surgery. It is highly absorbent, cost-effective, and easy to apply. We have used this dressing successfully in more than 1,500 shoulder arthroscopies over the last 3 years with no adverse reaction.

  2. Arthroscopic resection of the distal clavicle in osteoarthritis of the acromioclavicular joint

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    Tae-Soo Park

    2016-01-01

    Full Text Available Background: Symptomatic acromioclavicular joint (ACJ lesions are a common cause of shoulder complaints that can be treated successfully with both conservative and surgical methods. There are several operative techniques, including both open and arthroscopic surgery, for excising the distal end of the clavicle. Here, we present a new modified arthroscopic technique for painful osteoarthritis of the ACJ and evaluate its clinical outcomes. Our hypothesis was that 4- to 7-mm resection of the distal clavicle in an en bloc fashion would have several advantages, including no bony remnants, maintenance of stability of the ACJ, and reduced prevalence of heterotopic ossification, in addition to elimination of the pathologic portion of the distal clavicle. Materials and Methods: 20 shoulders of 20 consecutive patients with painful and isolated osteoarthritis of the ACJ who were treated by arthroscopic en bloc resection of the distal clavicle were included in the study. There were 10 males and 10 females with an average age of 56 years (range 42-70 years. The mean duration of followup was 6 years and 2 months (range 4-8 years 10 months. The results were evaluated using the University of California Los Angeles (UCLA shoulder rating score. Results: The overall UCLA score was 13.7 preoperatively, which improved to 33.4 postoperatively. All subscores were improved significantly ( P < 0.001. There were no specific complications at the latest followup. Conclusion: It is critical in this procedure to resect the distal clavicle evenly from superior to inferior in an en bloc fashion without any small bony remnants and to preserve the capsule and acromioclavicular ligament superoposteriorly. This arthroscopic procedure is a reliable and reproducible technique for painful osteoarthritis of the ACJ lesions in active patients engaged in overhead throwing sports and heavy labor.

  3. Clinical outcomes after arthroscopic psoas lengthening: the effect of femoral version.

    Science.gov (United States)

    Fabricant, Peter D; Bedi, Asheesh; De La Torre, Katrina; Kelly, Bryan T

    2012-07-01

    The purpose of this study was to examine the association between femoral anteversion and clinical outcomes after arthroscopic lengthening of a symptomatic, snapping psoas tendon in young patients. Sixty-seven consecutive patients with symptomatic coxa saltans underwent arthroscopic psoas tendon lengthening through a transcapsular approach during a 3-year period by a single arthroscopic hip surgeon. Demographic and clinical variables were collected. Patients were divided into low/normal femoral version and high femoral version groups and analyzed for association of femoral version with clinical outcomes as measured by the modified Harris Hip Score (mHHS) and Hip Outcome Score (HOS) preoperatively and postoperatively with a minimum of 6 months' follow-up (range, 6 to 24 months). Two-sample t tests were used for data analysis, with P 25°) associated with worse HOS sports subscale scores (26.6 v 50.0 for excessive v low/normal anteversion, P = .013) and no difference in mHHS and HOS activities-of-daily living subscale scores. Postoperative mHHS scores were significantly different (76.9 v 86.1 for excessive v low/normal anteversion, P = .031). No association was noted between clinical outcome measures and any other clinical or demographic variable (P > .05). Patients with increased femoral anteversion may be at greater risk for inferior clinical outcomes after arthroscopic lengthening of a symptomatic, snapping psoas tendon. The psoas tendon may be an important passive and dynamic stabilizer of the hip in these patients, and release may result in a greater alteration of kinematics with high-demand activities, particularly terminal extension and external rotation when the tendon is typically at its highest tension. These results may help surgeons identify which patients may be at risk for inferior clinical outcome after psoas lengthening. Copyright © 2012 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  4. Comminuted fracture of the accessory carpal bone removed via an arthroscopic-assisted arthrotomy

    OpenAIRE

    Bonilla, Alvaro G.; Santschi, Elizabeth M.

    2015-01-01

    A 16-year-old American paint horse gelding was presented for evaluation of a left forelimb lameness grade III/V. Radiographs and computed tomography revealed a comminuted fracture of the accessory carpal bone involving the entire articulation with the distal radius and the proximal aspect of the articulation with the ulnar carpal bone. Multiple fragments were present in the palmar pouch of the antebrachiocarpal joint. An arthroscopic-assisted open approach was necessary to remove all fracture...

  5. Arthroscopic arthrolysis for arthrofibrosis of the knee after total knee replacement.

    Science.gov (United States)

    Hegazy, Alaa M; Elsoufy, Mohamed A

    2011-07-01

    Arthrofibrosis is an uncommon but potentially debilitating complication following total knee replacement which can result in chronic pain and poor recovery of range of motion. The treatment of this condition remains difficult and controversial. QUESTIONS/AIMS OF STUDY: We reviewed our results of arthroscopic arthrolysis of arthrofibrosis of the knee after total knee replacement to assess the potential for this technique to improve range of motion and provide improvement in knee function and pain as measured by the Knee Society Score (KSS). Eight patients were treated for arthrofibrosis after total knee replacement with arthroscopic management. The patients included five females and three males. The average age was 67.4 years. Initial rehabilitation efforts, which included manipulation under anesthesia, had failed. Arthroscopic arthrolysis was performed to release fibrous bands in the suprapatellar pouch and to reestablish the medial and lateral gutters. Lateral release of the patellar retinaculum was performed. Intensive physiotherapy and continuous passive motion began immediately post-operatively. The average follow-up was 37.4 months. The KSS was used for assessment of pain and function before arthroscopy and at the latest follow-up. Six of the eight patients experienced improvement in the KSS. The average functional score showed improvement from 68 points pre-operatively to 86 at the time of final follow-up. The average pain scores improved from 30 points pre-operatively to 41 at the time of final follow-up. Arthroscopic management can be beneficial for patients suffering from arthrofibrosis following total knee replacement. Pain and KSS clinical scores can markedly improve.

  6. Prevention of arthrofibrosis after arthroscopic screw fixation of tibial spine fracture in children and adolescents.

    Science.gov (United States)

    Parikh, Shital N; Myer, David; Eismann, Emily A

    2014-01-01

    Arthrofibrosis is a major complication of tibial spine fracture treatment in children, potentially resulting in knee pain, quadriceps weakness, altered gait, decreased function, inability to return to sports, and long-term osteoarthritis. Thus, prevention rather than treatment of arthrofibrosis is desirable. The purpose of this study was to evaluate an aggressive postoperative rehabilitation and early intervention approach to prevent permanent arthrofibrosis after tibial spine fracture treatment and to compare epiphyseal and transphyseal screws for fixation. A consecutive series of 24 patients younger than age 18 with displaced type II and III tibial spine fractures who underwent arthroscopic reduction and screw fixation between 2006 and 2011 were retrospectively reviewed. Final range of motion was compared between patients with epiphyseal (n=12) and transphyseal (n=9) screws. One-third (4 of 12) of patients with epiphyseal screws underwent arthroscopic debridement and screw removal approximately 3 months postoperatively; 3 patients lacked 5° to 15° of extension, 1 experienced pain with extension, and 1 had radiographic evidence of screw pullout, loss of reduction, and resultant malunion. In the transphyseal screw group, 3 patients had 10° loss of extension, and all corrected after arthroscopic debridement and screw removal. The two groups did not significantly differ in time to hardware removal or return to sports or final range of motion. No growth disturbances were identified in patients after transphyseal screw removal. An aggressive approach of postoperative rehabilitation and early intervention after arthroscopic reduction and screw fixation of tibial spine fractures in children was successful in preventing permanent arthrofibrosis.

  7. Autofluorescence imaging for improved visualization of joint structures during arthroscopic surgery.

    Science.gov (United States)

    Nguyen, Duy Tan; van Horssen, Pepijn; Derriks, Hans; van de Giessen, Martijn; van Leeuwen, Ton

    2017-12-01

    The purpose of our study is to develop the arthroscopic autofluorescence imaging (AFI) system to improve the visualization during arthroscopic surgery by real-time enhancing the contrast between joint structures with autofluorescence imaging. Its validity was evaluated around the arthroscopic anterior cruciate ligament (ACL) reconstruction, specifically improving the contrast between the femoral insertion site and its background. The feasibility of the AFI system was validated with bovine and human knees. The spectral responses of the femoral insertion site and its surrounding bone and cartilage were measured with a fluorospectrometer. A prototype of the AFI system was developed based on the spectral responses (SR) and test images of the insertion site. The accuracy was validated by evaluating the overlap between manually segmented insertion sites on the white light color images and on the corresponding spectral unmixed autofluorescence images. The final prototype of the AFI system was tested during arthroscopy in cadaveric knees. The results showed that the joint structures have different SRs. Spectral unmixing enabled separation of the SRs and improved the contrast between the joint structures. The agreement between visible light and autofluorescence ligament insertions had a mean Dice coefficient of 0.84 and the mean Dice coefficient of the interobserver variability for visible light imaging was 0.85. We have shown that the femoral insertion site can be accurately visualized with autofluorescence imaging combined with spectral unmixing. The AFI system demonstrates the feasibility of real-time and subject-specific visualization of the femoral insertion site which can facilitate anatomic ACL reconstruction. In addition, the AFI system can facilitate arthroscopic procedures in other joints and can also be used as a diagnostic tool.

  8. Arthroscopic repair of combined Bankart and SLAP lesions: operative techniques and clinical results.

    Science.gov (United States)

    Cho, Hyung Lae; Lee, Choon Key; Hwang, Tae Hyok; Suh, Kuen Tak; Park, Jong Won

    2010-03-01

    To evaluate the clinical results and operation technique of arthroscopic repair of combined Bankart and superior labrum anterior to posterior (SLAP) lesions, all of which had an anterior-inferior Bankart lesion that continued superiorly to include separation of the biceps anchor in the patients presenting recurrent shoulder dislocations. From May 2003 to January 2006, we reviewed 15 cases with combined Bankart and SLAP lesions among 62 patients with recurrent shoulder dislocations who underwent arthroscopic repair. The average age at surgery was 24.2 years (range, 16 to 38 years), with an average follow-up period of 15 months (range, 13 to 28 months). During the operation, we repaired the unstable SLAP lesion first with absorbable suture anchors and then also repaired Bankart lesion from the inferior to superior fashion. We analyzed the preoperative and postoperative results by visual analogue scale (VAS) for pain, the range of motion, American Shoulder and Elbow Surgeon (ASES) and Rowe shoulder scoring systems. We compared the results with the isolated Bankart lesion. VAS for pain was decreased from preoperative 4.9 to postoperative 1.9. Mean ASES and Rowe shoulder scores were improved from preoperative 56.4 and 33.7 to postoperative 91.8 and 94.1, respectively. There were no specific complication and no significant limitation of motion more than 10 degree at final follow-up. We found the range of motions after the arthroscopic repair in combined lesions were gained more slowly than in patients with isolated Bankart lesions. In recurrent dislocation of the shoulder with combined Bankart and SLAP lesion, arthroscopic repair using absorbable suture anchors produced favorable clinical results. Although it has technical difficulty, the concomitant unstable SLAP lesion should be repaired in a manner that stabilizes the glenohumeral joint, as the Bankart lesion can be repaired if the unstable SLAP lesion is repaired first.

  9. Revision open Bankart surgery after arthroscopic repair for traumatic anterior shoulder instability.

    Science.gov (United States)

    Cho, Nam Su; Yi, Jin Woong; Lee, Bong Gun; Rhee, Yong Girl

    2009-11-01

    Only a few studies have provided homogeneous analysis of open revision surgery after a failed arthroscopic Bankart procedure. Open Bankart revision surgery will be effective in a failed arthroscopic anterior stabilization but inevitably results in a loss of range of motion, especially external rotation. Case series; Level of evidence, 4. Twenty-six shoulders that went through traditional open Bankart repair as revision surgery after a failed arthroscopic Bankart procedure for traumatic anterior shoulder instability were enrolled for this study. The mean patient age at the time of revision surgery was 24 years (range, 16-38 years), and the mean duration of follow-up was 42 months (range, 25-97 months). The preoperative mean range of motion was 173 degrees in forward flexion and 65 degrees in external rotation at the side. After revision surgery, the ranges measured 164 degrees and 55 degrees, respectively (P = .024 and .012, respectively). At the last follow-up, the mean Rowe score was 81 points, with 88.5% of the patients reporting good or excellent results. After revision surgery, redislocation developed in 3 shoulders (11.5%), all of which had an engaging Hill-Sachs lesion and associated hyperlaxity (2+ or greater laxity on the sulcus sign). Open revision Bankart surgery for a failed arthroscopic Bankart repair can provide a satisfactory outcome, including a low recurrence rate and reliable functional return. In open revision Bankart surgery after failed stabilization for traumatic anterior shoulder instability, the surgeon should keep in mind the possibility of a postoperative loss of range of motion and a thorough examination for not only a Bankart lesion but also other associated lesions, including a bone defect or hyperlaxity, to lower the risk of redislocation.

  10. Arthroscopic Double-Row Anterior Stabilization and Bankart Repair for the “High-Risk” Athlete

    OpenAIRE

    Moran, Cathal J.; Fabricant, Peter D.; Kang, Richard; Cordasco, Frank A.

    2014-01-01

    In addition to operative intervention for the patient with recurrent shoulder instability, current literature suggests that younger athletic patients unwilling to modify their activities may benefit from an early surgical shoulder stabilization procedure. Although open shoulder stabilization clearly has a role to play in some cases, we believe that further optimization of arthroscopic fixation techniques may allow us to continue to refine the indications for open stabilization. In particular,...

  11. Arthroscopic Repair of Combined Bankart and SLAP Lesions: Operative Techniques and Clinical Results

    OpenAIRE

    Cho, Hyung Lae; Lee, Choon Key; Hwang, Tae Hyok; Suh, Kuen Tak; Park, Jong Won

    2010-01-01

    Background To evaluate the clinical results and operation technique of arthroscopic repair of combined Bankart and superior labrum anterior to posterior (SLAP) lesions, all of which had an anterior-inferior Bankart lesion that continued superiorly to include separation of the biceps anchor in the patients presenting recurrent shoulder dislocations. Methods From May 2003 to January 2006, we reviewed 15 cases with combined Bankart and SLAP lesions among 62 patients with recurrent shoulder dislo...

  12. Shoulder Impingement, An Uncommon Complication of Distal Clavicle Fracture Treated Arthroscopically: A Case Report

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    CS Wang

    2013-11-01

    Full Text Available Clavicle fracture is commonly treated conservatively. However uncommon complication can arise causing impingement. We report a patient who sustained distal clavicle fracture and was treated conservatively. However he developed persistent shoulder pain that affected his daily life. Shoulder impingement was diagnosed and arthroscopic subacromioclavicular decompression was done. Following early physiotherapy the early recovery was good with full range of motion of the shoulder.

  13. Arthroscopic treatment for osteochondral lesions of the talus: analysis of outcome predictors

    Institute of Scientific and Technical Information of China (English)

    GUO Qin-wei; HU Yue-lin; JIAO Chen; YU Chang-long; AO Ying-fang

    2010-01-01

    Background Compared with traditional arthrotomy procedures, arthroscopic treatment for osteochondral lesions of the talus has some advantages. However, there has been considerable debate about the outcome predictors for this surgical technique. This study aimed to investigate the outcomes of arthroscopic treatment for osteochondral lesions of the talus, and analyze its outcome predictors.Methods Clinical data of 48 patients with osteochondral lesions of the talus who underwent ankle arthroscopy were studied. Arthroscopic debridement was performed on all patients, and microfracture was also performed in 36 cases. Scores on a subjective satisfaction questionnaire, visual analog scale (VAS) for pain, and the American Orthopedic Foot & Ankle Society (AOFAS) ankle and hindfoot scores were obtained before and after surgery.Results Five patients lost to follow up. The other forty-three patients, 8 of whom were athletes, were followed up for an average of 23.9 months. The average AOFAS post-operative score was 90.16±9.96, compared with 70.81±6.96 before surgery (t=9.353, P <0.001). The VAS pain score after the operation (2.51±9.45) was significantly lower than that before the operation (6.95±1.40) (t=8.647, P<0.001). Of the 43 patients, 35 (81.4%) had good or excellent results. There was no significant difference in outcome between the medial and lateral groups (z=0.205, P=0.838), while a better outcome was found with lesions smaller than 10 mm than those with larger lesions (z=2.199, P=0.028). Age, sex, athletic profession and location of the lesion did not significantly correlate with outcomes.Conclusions Arthroscopic treatment is effective and safe for osteochondral lesions of the talus. A strong correlation was found between the size of the lesion and successful outcome.

  14. COMPARISON OF ANALGESIC EFFECT OF INTRA-ARTICULAR BUPRENORPHINE AND MORPHINE FOLLOWING ARTHROSCOPIC SURGERY OF KNEE

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    Shashidhar Gowdra Sugandarajappa

    2016-07-01

    Full Text Available BACKGROUND AND AIMS Pain after orthopaedic surgery depends on the site and extent of surgery and the preoperative use of analgesics by the patient. Arthroscopic procedures are routinely performed on outpatient basis and have spared patients large incisions and decreased morbidity compared with open incisions, but has not eliminated pain. At present several techniques are available to treat pain following arthroscopic surgeries; these include the use of opioids, local anaesthetics, NSAIDs, corticosteroids, clonidine and cryotherapy. Here, we compared the analgesic effect of intra-articular administration of morphine, buprenorphine and placebo following arthroscopic surgery of knee. METHODS A prospective, randomised, placebo-controlled double-blind comparative study conducted in 60 patients of either sex who underwent arthroscopic surgery of knee; between the age group of 18 and 65 years and of ASA class I and II physical status were included in the study. Patients were randomly assigned equally to one of the 3 groups of 20 each by a sealed envelope method. The groups were Group A - Patients receiving IA Buprenorphine 100 mcg in 20 mL normal saline. Group B - Patients receiving IA Morphine 3 mg in 20 mL normal saline. Group C - Patients receiving IA 20 mL normal saline as placebo. Parameters monitored were degree of analgesia along with haemodynamic parameters and side effects. Data were analysed using student’s t-test for continuous variables and Chi-Square test. RESULTS We found that 100 mcg buprenorphine when injected intra-articularly produced good and comparable postoperative pain control and reduced supplementary analgesic requirement when compared to other groups. CONCLUSION In summary, this study demonstrated that for eight hours postoperatively 100 mcg buprenorphine provided superior postoperative analgesia to that of 3 mg morphine

  15. Functional evaluation of patient after arthroscopic repair of rotator cuff tear.

    Science.gov (United States)

    Kumar, Rohit; Jadhav, Umesh

    2014-06-01

    Rotator cuff tear is a common problem either after trauma or after degenerative tear in old age group. Arthroscopic repair is the current concept of rotator cuff repair. Here, we are trying to evaluate the functional outcome after arthroscopic repair of full thickness rotator cuff tear (single row) in Indian population. Twenty five patients (14 males and 11 females) who underwent arthroscopic repair of full thickness rotator cuff tear at a single institution were included in the study. Postoperatively patient's shoulder was rated according to UCLA score, pain was graded according to the visual analog score. The range of motion was analysed and documented. The mean age of the patients were 50.48 years. The preoperative VAS score mode was 7 and post operative VAS was 1 (p value fair in 12% (n = 3), excellent in 8% (n = 2) and poor results were seen in none of the patients. The mean UCLA improved from a score of 15.84 to 30.28 with a p value <0.001. Mean postoperative forward flexion was 161.6°, mean abduction was 147.6° and mean external rotation was 45.4°. Arthroscopic repair is a good procedure for full thickness rotator cuff tear with minimal complications. The newer double row repair claims to be biomechanically superior with faster healing rates without functional advantages, hence we used a single row repair considering the Indian population and the cost effectiveness of the surgery with good to excellent results.

  16. Use of a shoulder abduction brace after arthroscopic rotator cuff repair: A study on gait performance and falls.

    Science.gov (United States)

    Sonoda, Yuma; Nishioka, Takashi; Nakajima, Ryo; Imai, Shinji; Vigers, Piers; Kawasaki, Taku

    2017-03-01

    Fall prevention is essential in patients after arthroscopic rotator cuff repair because of the high risk of re-rupture. However, there are no reports related to falls that occur during the early postoperative period, while the affected limb is immobilized. This study assessed gait performance and falls in patients using a shoulder abduction brace after arthroscopic rotator cuff repair. Prospective cohort and postoperative repeated measures. This study included 29 patients (mean age, 67.1 ± 7.4 years) who underwent arthroscopic rotator cuff repair followed by rehabilitation. The timed up and go test, Geriatric Depression Scale, and Falls Efficacy Scale were measured, and the numbers of falls were compared between those shoulder abduction brace users and patients who had undergone total hip or knee arthroplasty. In arthroscopic rotator cuff repair patients, there were significant improvements in timed up and go test and Geriatric Depression Scale, but no significant differences in Falls Efficacy Scale, between the second and fifth postoperative weeks ( p rotator cuff repair patients fell more often than patients with total hip arthroplasty or total knee arthroplasty during the same period. The findings suggest that rehabilitation in arthroscopic rotator cuff repair patients is beneficial, but decreased gait performance due to the immobilizing shoulder abduction brace can lead to falls. Clinical relevance Although rehabilitation helps motor function and mental health after arthroscopic rotator cuff repair, shoulder abduction brace use is associated with impaired gait performance, high Falls Efficacy Scale scores, and risk of falls, so awareness of risk factors including medications and lower limb dysfunctions is especially important after arthroscopic rotator cuff repair.

  17. Virtual Reality Compared with Bench-Top Simulation in the Acquisition of Arthroscopic Skill: A Randomized Controlled Trial.

    Science.gov (United States)

    Banaszek, Daniel; You, Daniel; Chang, Justues; Pickell, Michael; Hesse, Daniel; Hopman, Wilma M; Borschneck, Daniel; Bardana, Davide

    2017-04-05

    Work-hour restrictions as set forth by the Accreditation Council for Graduate Medical Education (ACGME) and other governing bodies have forced training programs to seek out new learning tools to accelerate acquisition of both medical skills and knowledge. As a result, competency-based training has become an important part of residency training. The purpose of this study was to directly compare arthroscopic skill acquisition in both high-fidelity and low-fidelity simulator models and to assess skill transfer from either modality to a cadaveric specimen, simulating intraoperative conditions. Forty surgical novices (pre-clerkship-level medical students) voluntarily participated in this trial. Baseline demographic data, as well as data on arthroscopic knowledge and skill, were collected prior to training. Subjects were randomized to 5-week independent training sessions on a high-fidelity virtual reality arthroscopic simulator or on a bench-top arthroscopic setup, or to an untrained control group. Post-training, subjects were asked to perform a diagnostic arthroscopy on both simulators and in a simulated intraoperative environment on a cadaveric knee. A more difficult surprise task was also incorporated to evaluate skill transfer. Subjects were evaluated using the Global Rating Scale (GRS), the 14-point arthroscopic checklist, and a timer to determine procedural efficiency (time per task). Secondary outcomes focused on objective measures of virtual reality simulator motion analysis. Trainees on both simulators demonstrated a significant improvement (p virtual reality simulation group consistently outperformed the bench-top model group in the diagnostic arthroscopy crossover tests and in the simulated cadaveric setup. Furthermore, the virtual reality group demonstrated superior skill transfer in the surprise skill transfer task. Both high-fidelity and low-fidelity simulation trainings were effective in arthroscopic skill acquisition. High-fidelity virtual reality

  18. Arthroscopic sternoclavicular joint resection arthroplasty: a technical note and illustrated case report.

    Science.gov (United States)

    Warth, Ryan J; Lee, Jared T; Campbell, Kevin J; Millett, Peter J

    2014-02-01

    Open resection arthroplasty of the sternoclavicular (SC) joint has historically provided good long-term results in patients with symptomatic osteoarthritis of the SC joint. However, the procedure is rarely performed because of the risk of injury to vital mediastinal structures and concern regarding postoperative joint instability. Arthroscopic decompression of the SC joint has therefore emerged as a potential treatment option because of many recognized advantages including minimal tissue dissection, maintenance of joint stability, avoidance of posterior SC joint dissection, expeditious recovery, and improved cosmesis. There are, however, safety concerns given the proximity of neurovascular structures. In this article we demonstrate a technique for arthroscopic SC joint resection arthroplasty in a 26-year-old active man with bilateral, painful, idiopathic degenerative SC joint osteoarthritis. This case also highlights the pearls and pitfalls of arthroscopic resection arthroplasty for the SC joint. There were no perioperative complications. Four months postoperatively, the patient had returned to full activities, including weightlifting, without pain or evidence of SC joint instability. One year postoperatively, the patient showed substantial improvements in the American Shoulder and Elbow Surgeons score; Single Assessment Numeric Evaluation score; Quick Disabilities of the Arm, Shoulder and Hand score; and Short Form 12 Physical Component Summary score over preoperative baseline values.

  19. Concurrent arthroscopic bicruciate ligament reconstruction using Achilles tendon-bone allografts: experience with 15 cases

    Institute of Scientific and Technical Information of China (English)

    Shi De-hai; CAI Dao-zhang; WANG Kun; RONG Li-min; XU Yi-chun

    2008-01-01

    Objective: To evaluate the clinical outcome of arthroscopically assisted combined anterior and posterior cruciate ligament (ACL/PCL) reconstructions using Achil-les tendon-bone allografts. Methods: Associated meniscus injuries were treated according to established methods prior to ligament recon-structions during arthroscopic surgery. Thirty Achilles ten-don-bone allografts were used to reconstruct torn ACL and PCL in 15 knees. At postoperative follow-up, all knees were graded using the modified IKDC and the Lysholm scoring systems just as done preoperatively. Results were analyzed compared with the contralateral healthy knees. Results: Eleven men and 4 women with a minimum of 3-year follow-up (mean 38 months) were included in the study. Preoperatively, the group ratings by the modified IKDC standards were all severely abnormal. Twelve bicruciate reconstructions were performed in subacute or chronic stage (>3-8 weeks), 3 for acute ligamentous deficien-cies (≤ 3 weeks). The noticeable early complication was transitory local fever combined with joint effusion in one case. At postoperative follow-up, 9 knees were normal, 5 nearly normal and 1 abnormal. On Lysholm score the differ-ence was statistically significant (t- test, P<0.001) before and after operation. Conclusions: Achilles tendon-bone allograft offers an alternative for simultaneous arthroscopic ACL/PCL reconstructions. However, further investigation is needed to eradicate its potential immunogenicity for better use.

  20. Effect of dexmedetomidine on postoperative pain in knee arthroscopic surgery; a randomized controlled clinical trial.

    Science.gov (United States)

    Alipour, Mohammad; Tabari, Masoomeh; Faz, Reza Farhadi; Makhmalbaf, Hadi; Salehi, Maryam; Moosavitekye, Seyed Mostafa

    2014-03-01

    Various drugs are administered intra-articularly to provide postoperative analgesia after arthroscopic knee surgery. The purpose of this study was to assess the analgesic effects of intra-articular injection of a dexmedetomidine following knee arthroscopy. Forty six patients scheduled for arthroscopic knee surgery under general anaesthesia, were randomly devided into two groups. Intervention group received 1µg/kg dexmedetomidine (D) and isotonic saline. Control group received 25ml isotonic saline (P). Analgesic effects were evaluated by measuring pain intensity (VAS scores) and duration of analgesia. There was no significant difference between the two groups in terms of age, sex and weight. The mean of post-operation pain severity in 1, 3, 6,12, and 24 h was significantly lower in the intervention group (D) in comparison with the control group (P). the mean of the total dose of tramadol consumption was significantly lower in the intervention group in comparison with the control group (PIntra-articular injection of dexmedetomidine at the end of arthroscopic knee surgery, alleviates the patients' pain, reducing the postoperative need for narcotics as analgesics, and increase the first analgesic request after operation.

  1. Is there a niche for arthroscopic laser surgery of the temporomandibular joint?

    Science.gov (United States)

    Nuebler-Moritz, Michael; Hering, Peter; Bachmaier, Uli; Schiessl, Robert; Rueschoff, Josef; Meister, Joerg

    1996-04-01

    The purpose of this in vitro study was to investigate and compare effects of currently available laser systems at different wavelengths (XeCl excimer laser, Holmium:YAG laser, Erbium:YAG laser) on porcine articulating facets, capsule and meniscus of the temporomandibular joint via photomacroscopy, light and scanning electron microscopy. From a critical review of the relevant literature and the preliminary observations of this investigation, it appears that the Neodymium:YAG laser is inappropriate for TMJ arthroscopic surgery with regard to the huge thermal injury caused to the remaining tissue. The Holmium:YAG laser suffers from remarkable photomechanical and photothermal side effects, whereas the Erbium:YAG laser ablates temporomandibular joint tissue efficiently with minimal adjacent damage--similar to the XeCl excimer laser, without entailing the risk of potential mutagenity. To sum up, it can be concluded that there is a clinical need for laser- assisted arthroscopic surgery of the craniomandibular articulation. Nevertheless, at present none of the available laser systems meet the medical demands completely. Currently, the Erbium:YAG laser seems to be the most suitable for TMJ arthroscopic surgery.

  2. Arthroscopic vs mini-open rotator cuff repair. A quality of life impairment study

    Science.gov (United States)

    Osti, Leonardo; Papalia, Rocco; Paganelli, Massimo; Denaro, Enzo

    2009-01-01

    We compared the clinical and quality of life related outcome of rotator cuff repair performed using either a mini-open or an arthroscopic technique for rotator cuff tears of less than 3 cm. The records of 64 patients who underwent rotator cuff repair between September 2003 and September 2005 were evaluated. Thirty-two patients underwent a mini-open rotator cuff repair, and 32 patients underwent an arthroscopic rotator cuff repair. The mean follow-up period was 31 months in the mini-open group and 30.6 months in the arthroscopic group (P > 0.05). The UCLA rating system, range of motion examination and the self-administered SF-36 used for postoperative evaluation showed a statistically significant improvement from the preoperative to the final score for both groups (P  0.05). This study suggests that there is no difference in terms of subjective and objective outcomes between the two surgical procedures studied if patients have rotator cuff tears of less than 3 cm. PMID:19424692

  3. Return to Sports and Recurrences After Arthroscopic Anterior Shoulder Stabilization in Martial Arts Athletes.

    Science.gov (United States)

    Ranalletta, Maximiliano; Rossi, Luciano A; Sirio, Adrian; Dilernia, Fernando Diaz; Bertona, Agustin; Maignon, Gastón D; Bongiovanni, Santiago L

    2017-09-01

    The high demands to the glenohumeral joint and the violent shoulder blows experienced during martial arts (MA) could compromise return to sports and increase the recurrence rate after arthroscopic stabilization for anterior shoulder instability in these athletes. To report the functional outcomes, return to sports, and recurrences in a series of MA athletes with anterior shoulder instability treated with arthroscopic stabilization with suture anchors. Case series; Level of evidence, 4. A total of 20 consecutive MA athletes were treated for anterior shoulder instability at a single institution between January 2008 and December 2013. Range of motion (ROM), the Rowe score, a visual analog scale (VAS), and the Athletic Shoulder Outcome Scoring System (ASOSS) were used to assess functional outcomes. Return-to-sport and recurrence rates were also evaluated. The mean age at the time of surgery was 25.4 years (range, 18-35 years), and the mean follow-up was 71 months (range, 36-96 months). No significant difference in preoperative and postoperative shoulder ROM was found. The Rowe, VAS, and ASOSS scores showed statistical improvement after surgery (P < .001). In all, 19 athletes (95%) returned to sports. However, only 60% achieved ≥90% recovery after surgery. The recurrence rate was 20%. In this retrospective study of a consecutive cohort of MA athletes, arthroscopic anterior shoulder stabilization significantly improved functional scores. However, only 60% of the athletes achieved the same level of competition, and there was a 20% recurrence rate.

  4. Arthroscopic Technique for the Treatment of Pigmented Villonodular Synovitis of the Hip

    Science.gov (United States)

    Lee, Simon; Haro, Marc S.; Riff, Andrew; Bush-Joseph, Charles A.; Nho, Shane J.

    2015-01-01

    Open synovectomy remains the treatment of choice for pigmented villonodular synovitis (PVNS) of the hip but has shown modest results compared with the treatment of other joints. Recent advances in hip arthroscopy permit a thorough evaluation of the joint surfaces, improved access, and decreased postoperative morbidity. We describe an arthroscopic synovectomy technique for PVNS of the hip. The use of additional arthroscopic portals and creation of a large capsulotomy enable successful visualization and extensive synovectomy of the entire synovial lining of the hip. The T-capsulotomy enables extensive soft-tissue retraction for complete exposure. The midanterior portal enables use of an arthroscopic grasper and shaver to directly access and excise the synovial lining of the peripheral compartment while avoiding damage to the medial and lateral retinacular vessels. Technical innovations in hip arthroscopy have enhanced visualization in the central and peripheral compartments, as well as instrument management and diagnostic evaluation of the capsule, therefore allowing enhanced management of PVNS of the hip. PMID:25973372

  5. Comparison of arthroscopic rotator cuff repair in healthy patients over and under 65 years of age.

    Science.gov (United States)

    Osti, Leonardo; Papalia, Rocco; Del Buono, Angelo; Denaro, Vincenzo; Maffulli, Nicola

    2010-12-01

    We compared the outcomes of arthroscopically repaired rotator cuff tears in 28 patients older than 65 years (the over 65 group: median age 70 years) with a control group of 28 patients younger than 65 years (the under 65 group: median age 57 years). The groups were similar in regard to sex distribution, surgical technique, and post-operative rehabilitation programmes, but different in age. After careful arthroscopic evaluation of the full-thickness rotator cuff tear, rotator cuff repair and biceps tenotomy were performed in all patients. Pre- and post-operatively, each patient was evaluated for range of motion, shoulder score (UCLA), and SF-36 self-administered questionnaire. Comparing pre- versus post-operative status at a minimum 24 months follow-up, forward elevation, internal and external rotation, modified UCLA rating system scores, and SF-36 scores improved significantly in both groups, with no significant difference between the groups. At the last follow-up, strength improved significantly in both groups, with non-significant intergroup difference. The Popeye sign was detected in 13/28 (46%) of the patients in the over 65 group and in 11/28 (39%) in the under 65 group (χ = 0.29) with non-significant difference between the two groups. In selected active patients older than 65, arthroscopic rotator cuff repair associated with biceps tenotomy (when necessary) can yield clinical and related quality of life outcomes similar to those of patients younger than 65 years.

  6. Arthroscopic evaluation of persistent pain following supramalleolar osteotomy for varus ankle osteoarthritis.

    Science.gov (United States)

    Kim, Yong Sang; Youn, Hyun Kook; Kim, Bom Soo; Choi, Yun Jin; Koh, Yong Gon

    2016-06-01

    The purposes of this study were to investigate pain experienced by patients after supramalleolar osteotomy for varus ankle osteoarthritis and to analyse correlations between this pain and arthroscopic findings. Twenty-nine patients (31 ankles) who underwent arthroscopic evaluation after supramalleolar osteotomy were reviewed retrospectively. The visual analog scale (VAS) was used to assess pain, and the patients were instructed to record the time point, location, and character of the pain. The tibial-ankle surface angle, talar tilt, and tibial-lateral surface angle were measured on radiographs. The location, time point, and character of the pain experienced by the patients changed after supramalleolar osteotomy. The mean VAS score was significantly improved after supramalleolar osteotomy at the time of the arthroscopic evaluation (P osteotomy was found to be associated with adhesions, synovitis, and soft-tissue impingement in medial and lateral gutters of the ankle. Arthroscopy can be helpful in identifying and treating painful lesions commonly seen after supramalleolar osteotomy. An understanding of these painful lesions will help patients have more realistic expectations regarding the supramalleolar osteotomy. Case series study, Level IV.

  7. The global percutaneous shuttling technique tip for arthroscopic rotator cuff repair.

    Science.gov (United States)

    Vopat, Bryan G; Murali, Jothi; Gowda, Ashok L; Kaback, Lee; Blaine, Theodore

    2014-04-22

    Most arthroscopic rotator cuff repairs utilize suture passing devices placed through arthroscopic cannulas. These devices are limited by the size of the passing device where the suture is passed through the tendon. An alternative technique has been used in the senior author's practice for the past ten years, where sutures are placed through the rotator cuff tendon using percutaneous passing devices. This technique, dubbed the global percutaneous shuttling technique of rotator cuff repair, affords the placement of sutures from nearly any angle and location in the shoulder, and has the potential advantage of larger suture bites through the tendon edge. These advantages may increase the area of tendon available to compress to the rotator cuff footprint and improve tendon healing and outcomes. The aim of this study is to describe the global percutaneous shuttling (GPS) technique and report our results using this method. The GPS technique can be used for any full thickness rotator cuff tear and is particularly useful for massive cuff tears with poor tissue quality. We recently followed up 22 patients with an average follow up of 32 months to validate its usefulness. American Shoulder and Elbow Surgeons scores improved significantly from 37 preoperatively to 90 postoperatively (Ptechnique for arthroscopic rotator cuff repair. Further biomechanical studies are currently being performed to assess the improvements in tendon footprint area with this technique.

  8. Outcomes of arthroscopic "Remplissage": capsulotenodesis of the engaging large Hill-Sachs lesion

    Directory of Open Access Journals (Sweden)

    Mayo Lee

    2011-06-01

    Full Text Available Abstract Background A Hill-Sachs lesion of the humeral head after a shoulder dislocation is clinically insignificant in most cases. However, a sizable defect will engage with the anterior rim of the glenoid and cause instability even after anterior glenoid reconstruction. The purpose of this study was to evaluate the outcome of arthroscopic capsulotenodesis of the posterior capsule and infraspinatus tendon ("remplissage" to seal a large engaging Hill-Sachs lesion in an unstable shoulder. Methods This was a prospective follow-up study of patients who underwent arthroscopic surgery for recurrent shoulder instability with a large engaging Hill-Sachs lesion from 2007 to 2009. The clinical results were measured preoperatively and postoperatively with the Simple Shoulder test (SST and the Rowe score for instability. Results Eleven patients met the inclusion criteria of this study. The mean follow-up time was 30 months (range 24 to 35 months. At the last follow-up, significant improvement was observed in both scores with no recurrent dislocations. The mean SST improved from 6.6 to 11 (p Conclusions Arthroscopic remplissage for shoulder instability is an effective soft tissue technique to seal a large engaging Hill-Sachs lesion with respect to recurrence rate, range of motion and shoulder function.

  9. Arthroscopic arthrodesis of the shoulder: Fourteen-year follow-up

    Directory of Open Access Journals (Sweden)

    Antonio Jiménez-Martín

    2011-01-01

    Full Text Available Shoulder arthrodesis is indicated in infections, brachial paralysis, irreparable rotator cuff tears, osteoarthritis without indication of prosthesis, rescue after arthroplasty, or after surgery for cancer. Arthroscopic arthrodesis is exceptional. Our aim is presenting our result after 14 years of follow-up of one patient. We present a case report of a 17-year-old male patient. He suffered fracture of left scapula (type V, Ideberg, fracture of left clavicle (type I, Craig, and fracture of left distal ulna. We realized osteosynthesis of clavicle (plate and screws with the aim of treating this floating shoulder. Electromyography showed partial axonotmesis of axilar nerve. After 7 months of follow-up, axonotmesis was still present. We realized arthroscopic shoulder arthrodesis (three cannulated screws. Fourteen years later, shoulder movement was as follows: Flexion, 0-90°; maximum abduction, 40° with shoulder atrophy; Constant, 47 points; and UCLA, 17 points, without pain. Arthrodesis with screws reaches a subjective benefit in 82% of patients. Percentage of pseudarthrosis is less than in patients treated with plates, although the risks of infections, fractures, and material removal are greater than in patients treated with plates. Shoulder arthroscopic arthrodesis is exceptional, but it allows minimal surgical aggression.

  10. Functional Outcome Following Arthroscopic ACL Reconstruction with Rigid Fix: A Retrospective Observational Study

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    Satish Shervegar

    2015-09-01

    Full Text Available Background: No uniform consensus exists to decide type of fixation for arthroscopic anterior cruciate ligament reconstruction. Hypothsis: There is similar functional outcome after rigid fix compared to other methods of fixation which has been published. Study design: Retrospective observational study. Methods: A total of 50 patients underwent arthroscopic anterior cruciate ligament reconstruction with hamstring tendons using femoral Rigid fix cross-pin and interference screw tibial fixation. The evaluation methods were clinical examination, IKDC scores, Lysholm and pre injury and post reconstruction Tegner score. Patients were followed up from minimum of 6 months to 4 year seven months. Results: C In our study of sample size 50 we found that mean age of patients was 30.8 Years with male preponderance. Mean post operative IKDC and Lysholm score has been 75.6 and 84.4 respectively.Mean Tegner pre-injury score and post reconstruction score has been 5.4 and 4.26 .Box plot comparison of pre injury and post operativeTegner score reveals a statistically significant difference with respect to paired t test P Conclusions: Arthroscopic anterior cruciate ligament reconstruction with femoral rigid fix cross pins and tibial interference screws results in comparable short term to midterm functional results compared to other types of fixation

  11. Arthroscopic Treatment for Primary Septic Arthritis of the Hip in Adults

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    Jörg Hartmut Schröder

    2016-01-01

    Full Text Available Purpose. Primary septic arthritis is a rare differential diagnosis of acute hip pain in adults. Inspired by the success of all-arthroscopic treatment in pediatric patients, we developed a diagnostic and surgical pathway for our adult patients. Methods. Seven patients, average age 44±13.7 years with acute hip pain since 4.4±2.9 days in the average, were included. Septic arthritis was confirmed by joint aspiration and dissemination was excluded by MRI and standard radiographs. Surgical treatment consisted of immediate arthroscopic lavage using 4 portals for debridement, high-volume irrigation, partial synovectomy, and drainage. Results. Patients were treated in hospital for 12.4±3.1 days (range 7–16 days. WBC and CRP returned to physiological levels. During the mean follow-up of 26.4±19.4 months (range 13–66 months no patient showed recurrence of infection. The 5 patients with an unimpaired hip joint prior to the infection had a mean modified Harris Hip Score of 94±5.6 points (range 91–100 at final follow-up. Conclusions. Arthroscopic therapy using a minimally invasive approach with low perioperative morbidity for the treatment of primary septic arthritis of the adult hip is able to restore normal hip function in acute cases without dissemination of the infection. Level of Evidence. IV.

  12. [Arthroscopic treatment of arthrofibrosis after ACL reconstruction. Local and generalized arthrofibrosis].

    Science.gov (United States)

    Mayr, H O; Stöhr, A

    2014-02-01

    Restoration of free knee motion taking into account knee extension, knee flexion, and patella mobility. Prolonged knee motion restriction after anterior cruciate ligament (ACL) reconstruction, persistent decreased patella mobility, or extension deficit. Existing significant joint irritation or active reflex dystrophy with persistent distinctive pain syndrome. Arthroscopic arthrolysis possible in most cases. Removal of adhesions in all compartments. Elimination of intraarticular cause of patella infera by removing infrapatellar scar tissue and fibrotic fat pad. In case of severe peripatellar fibrotic tissue, lateral release is useful with partial transection of lateral retinacula. In case of strong capsular contracture, additional medial release indicated to improve patella mobility. Important goal of arthrolysis: full range of knee extension. Arthrolysis for scar tissue removal in the posterior recessus through dorsomedial arthroscopic approach possible. In severe cases posteromedial arthrotomy for posterior capsule release required. Cyclops syndrome makes removal of all tissue adherent to the ACL necessary. An irregular ACL insertion or intercondylar notch stenosis may require notchplasty. Postoperative recurrence of fibrosis may require repeated arthroscopic surgery to improve mobility, such as notchplasty, osteophytes resection, scar removal, and releases. Immediate postoperative pain-free physical therapy taking into account full range of extension and patella mobility. Passive exercises under traction. Lymphatic drainage. No exercising in pain throughout the entire postoperative physical therapy. Continuous passive motion treatment for 4 weeks postoperatively useful. No muscle strength or equipment training for at least 3 months postoperatively. Based on the observations in our working group, approximately pproximately 78% of patients develop knee osteoarthritis within 5 years.

  13. Long term results of arthroscopic bankart repair for traumatic anterior shoulder instability

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    Tan Andrew HC

    2011-06-01

    Full Text Available Abstract Background The arthroscopic method offers a less invasive technique of Bankart repair for traumatic anterior shoulder instability. We would like to report the 2 year clinical outcomes of bio-absorbable suture anchors used in traumatic anterior dislocations of the shoulder. Methods Data from 79 shoulders in 74 patients were collected over 4 years (2004 - 2008. Each patient was followed-up over a period of 2 years. The patients underwent arthroscopic Bankart repair using bio-absorbable suture anchors for their shoulder instability. These surgeries were performed at a single institution by a single surgeon over the time period. The patients were assessed with two different outcome measurement tools. The University of California at Los Angeles (UCLA shoulder rating scale and the Simple Shoulder Test (SST score. The scores were calculated before surgery and at the 2-year follow-up. The recurrence rates, range of motion as well post-operative function and return to sporting activities were evaluated. Results SST results from the 12 domains showed a significant improvement from a mean of 6.1 ± 3.1 to 11.1 ± 1.8 taken at the 2-year follow-up (p Conclusion Arthroscopic Bankart repair with the use of suture anchors is a reliable treatment method, with good clinical outcomes, excellent post-operative shoulder motion and low recurrence rates.

  14. [Arthroscopic Bankart repair with suture anchors: results and risk factors of recurrence of instability].

    Science.gov (United States)

    Yan, Hui; Cui, Guo-Qing; Wang, Jian-Quan; Yin, Yu; Tian, De-Xiang; Ao, Ying-Fang

    2011-07-01

    To evaluate retrospectively the results of arthroscopic Bankart repair using suture anchors for recurrent anterior shoulder dislocation with a minimum 1-year follow-up and to assess risk factors for recurrence. From March 2002 to March 2010, 259 patients with recurrent anterior shoulder dislocation underwent arthroscopic Bankart repair with suture anchors. And 188 patients (50 athletes, 138 nonathletes) were available for follow-up. The mean age at the time of surgery was 25.3 years (range, 13 - 58 years). The mean follow-up was 38.6 months (range, 12 - 110 months). All of the 188 patients were evaluated preoperatively and postoperatively with the American Shoulder and Elbow Society (ASES) shoulder score and Rowe score system. The rate of recurrent instability, range of motion, and risk factors for postoperative recurrence were evaluated. The ASES score was 72.6 preoperatively, and Rowe score was 33.4. The ASES scores improved significantly to 91.9 postoperatively (P Bankart lesion, presence of a superior labrum, anterior and posterior tear, presence of posterior or inferior labrum lesion, presence of rotator cuff tear, ligamentous laxity and rotator interval closure did not influence the recurrence rate (P > 0.05). Arthroscopic Bankart repair is a good option for the treatment of recurrent anterior shoulder dislocation. Identification of risk factors for recurrence allows for consideration of open stabilization. In the series, patients under age 20 and athlete patients are the most important risk factors for recurrence.

  15. Results of arthroscopic capsulolabral repair: Bankart lesion versus anterior labroligamentous periosteal sleeve avulsion lesion.

    Science.gov (United States)

    Ozbaydar, Mehmet; Elhassan, Bassem; Diller, David; Massimini, Daniel; Higgins, Laurence D; Warner, Jon J P

    2008-11-01

    The purpose of this study was to evaluate the results of arthroscopic capsulolabral repair for traumatic anterior shoulder instability and to compare the outcome in patients who have Bankart lesions versus those with anterior labroligamentous periosteal sleeve avulsion (ALPSA) lesions. This study included 99 patients (93 shoulders), 72 male and 17 female, with a mean age of 32 years, who underwent arthroscopic Bankart repair for traumatic, recurrent anterior shoulder instability, by use of suture anchors. In 67 shoulders (72%) a discrete Bankart lesion was repaired, and in 26 shoulders (28%) an ALPSA lesion was repaired. The 2 groups were analyzed with regard to the number of preoperative dislocations and number of postoperative recurrences. At a mean follow-up of 47 months (range, 24 to 98 months), recurrence of instability was documented in 10 shoulders (10.7%). Of the shoulders, 5 had Bankart lesions (7.4%) and 5 had ALPSA lesions (19.2%) (P = .0501). The mean number of dislocations or subluxations before the index surgery was significantly higher in the ALPSA group (mean, 12.3 [range, 2 to 57]) than in the Bankart group (mean, 4.9 [range, 2 to 24]) (P Bankart lesions between the groups (P > .05 for all). Patients with ALPSA lesions present with a higher number of recurrent dislocations than those with discrete Bankart lesions. In addition, the failure rate after arthroscopic capsulolabral repair is higher in the ALPSA group than in the Bankart group. Level IV, therapeutic case series.

  16. Analysis of the functional results of arthroscopic Bankart repair in posttraumatic recurrent anterior dislocations of shoulder.

    Science.gov (United States)

    Mishra, Amit; Sharma, Pulak; Chaudhary, Deepak

    2012-11-01

    The Bankart lesion represents the most common form of labro-ligamentous injury in patients with traumatic dislocations of the shoulder leading to shoulder instability. We report the clinical outcome of arthroscopic repair of Bankart lesion in 50 patients. Sixty five patients with posttraumatic anterior dislocation of shoulder were treated by arthroscopic repair from Jan 2005 to Nov 2008. Fifty patients, with an average age of 26.83 years (range 18-45 years), were reviewed in the study. The average followup period was 27 months (range 24-36 months). University of California Los Angeles shoulder rating scale was used to determine the outcome after surgery. The recurrence rates, range of motion, as well as postoperative function and return to sporting activities were evaluated. Thirty six patients (72.0%) had excellent results, whereas seven patients (14.0%) had good results. The mean pre- and postoperative range of external rotation was 80.38° and 75.18°, respectively. Eighty-six percent patients had stability compared with the normal sided shoulder and were able to return to sports. There were no cases of redislocation observed in this study; however, three cases had mild laxity of the joint. Arthroscopic Bankart repair with the use of suture anchors is a reliable treatment method, with good clinical outcomes, excellent postoperative shoulder motion and low recurrence rates.

  17. Analysis of the functional results of arthroscopic Bankart repair in posttraumatic recurrent anterior dislocations of shoulder

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    Amit Mishra

    2012-01-01

    Full Text Available Background: The Bankart lesion represents the most common form of labro-ligamentous injury in patients with traumatic dislocations of the shoulder leading to shoulder instability. We report the clinical outcome of arthroscopic repair of Bankart lesion in 50 patients. Materials and Methods: Sixty five patients with posttraumatic anterior dislocation of shoulder were treated by arthroscopic repair from Jan 2005 to Nov 2008. Fifty patients, with an average age of 26.83 years (range 18-45 years, were reviewed in the study. The average followup period was 27 months (range 24-36 months. University of California Los Angeles shoulder rating scale was used to determine the outcome after surgery. The recurrence rates, range of motion, as well as postoperative function and return to sporting activities were evaluated. Results : Thirty six patients (72.0% had excellent results, whereas seven patients (14.0% had good results. The mean pre- and postoperative range of external rotation was 80.38° and 75.18°, respectively. Eighty-six percent patients had stability compared with the normal sided shoulder and were able to return to sports. There were no cases of redislocation observed in this study; however, three cases had mild laxity of the joint. Conclusion: Arthroscopic Bankart repair with the use of suture anchors is a reliable treatment method, with good clinical outcomes, excellent postoperative shoulder motion and low recurrence rates.

  18. DESCRIPTIVE ANALYSIS OF FUNCTIONAL OUTCOME OF ARTHROSCOPIC REPAIR OF RECURRENT ANTERIOR SHOULDER DISLOCATION

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    Kumaraswami Ramul

    2016-03-01

    Full Text Available BACKGROUND Anterior glenohumeral dislocation is a commonly seen pathology in clinical practice of orthopaedic traumatology. This is a study of the functional outcome of arthroscopic Bankart repair in forty patients. MATERIALS AND METHODS Forty patients with posttraumatic anterior dislocation of shoulder were treated by arthroscopic repair from Jan 2012 to June 2104. Forty patients, with an average age of 28.96 years (range 20-40 years, were reviewed in the study. The average followup period was 6 months. University of California, Los Angeles Shoulder Rating Scale was used to evaluate the outcome after surgery. The scale takes into account the recurrence rates, range of motion, as well as postoperative function and return to sporting activities. RESULTS Thirty four patients (85.00% had satisfactory results, whereas six patients (15.00% had unsatisfactory results. Eighty five percent patients had stability compared with the normal-sided shoulder and were able to return to sports. There were no cases of redislocation observed in this study. CONCLUSION Arthroscopic Bankart repair using suture anchors to reattach the torn labroligamentous complex is a treatment method with good functional outcomes, reliable results and satisfactory postoperative shoulder motion with low recurrence rates.

  19. Arthroscopic double-row suture anchor fixation of minimally displaced greater tuberosity fractures.

    Science.gov (United States)

    Ji, Jong-Hun; Kim, Weon-Yoo; Ra, Ki-Hang

    2007-10-01

    In cases of displaced greater tuberosity fractures, treatments by arthroscopic-assisted reduction and percutaneous screw fixation have been reported. However, in cases in which there is a comminuted fracture or a minimally displaced fracture combined with concomitant lesions such as rotator cuff tear or labral pathology, it is difficult to reduce the fracture and to treat other pathologies by use of a percutaneous screw. Recently, many surgeons have used the double-row repair method in rotator cuff repair, which provides a tendon-bone interface better suited for biologic healing and restoring normal anatomy. In accordance with this method, we used the arthroscopic technique of double-row suture anchor fixation for a minimally displaced greater tuberosity fracture without additional incision. Initially, debridement was performed on the fracture surface by use of a shaver, and the medial-row anchor was inserted through the anterior portal or the intact cuff. Two lateral-row anchors were inserted just anterior and posterior to the lower margin of the fractured fragment under C-arm guidance. The medial-row sutures and lateral-row sutures were then placed. Arthroscopic double-row suture anchor fixation of a displaced greater tuberosity fracture restores the original footprint of the rotator cuff and normal tendon-bone interface of the displaced greater tuberosity fracture.

  20. Evaluation of arthroscopic stabilization of acute acromioclavicular joint dislocation using the TightRope system.

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    El Sallakh, Sameh A

    2012-01-16

    The purpose of this study was to evaluate the results of the arthroscopic treatment of acute acromioclavicular dislocation using the TightRope system (Arthrex, Naples, Florida). Between January 2006 and May 2007, ten shoulders in 10 patients with acute acromioclavicular joint dislocation (Rockwood types IV and V) underwent arthroscopic acromioclavicular joint stabilization using the TightRope. Average patient age was 30 years (range, 22-42 years), and mean follow-up was 24 months (range, 18-30 months). Follow-up occurred at 2 and 6 weeks, 3 months, and then every 6 months postoperatively. The shoulders were evaluated radiologically by comparing the acromioclavicular joint with the normal side and clinically by assessing the pain, function, and range of joint motion using the Constant score.Ten patients returned to work without pain 10 to 12 weeks postoperatively. Average Constant score was 96.3 (range, 94-99) at last follow-up. Because of technical error, 1 patient experienced TightRope fixation failure on the coracoid side, and the acromioclavicular joint was redislocated, which was treated by an open technique. The 10 patients were satisfied with their functional results and cosmetic appearance.The arthroscopic treatment of acute acromioclavicular dislocation using the TightRope is a minimally invasive surgical technique that has been proven effective for the treatment of these lesions. It is characterized by less morbidity, less hospitalization, excellent cosmoses, and early rehabilitation. Copyright 2012, SLACK Incorporated.

  1. Periarticular osteoid osteoma of the ankle: a report of nine arthroscopically treated patients.

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    Dimnjaković, Damjan; Bojanić, Ivan; Smoljanović, Tomislav; Mahnik, Alan

    2015-01-01

    Periarticular osteoid osteoma often presents with unspecific clinical symptoms, mimicking other clinical conditions. This can lead a clinician to a ''diagnostic side path'' and a delayed or missed diagnosis compared with extra-articular osteoid osteoma. We report the cases of 9 patients with a mean age of 22 (range 14 to 32) years who were diagnosed with periarticular osteoid osteoma of the ankle and were surgically treated in our department during a 12-year period. The diagnostic difficulties associated with periarticular osteoid osteoma must be resolved by obtaining a detailed patient history and performing a thorough physical examination. Computed tomography is the ultimate imaging method to confirm the suspicion of osteoid osteoma. Arthroscopic removal of the osteoid osteoma was performed in all 9 patients in the present case series, with synovectomy performed when indicated. Under arthroscopic visualization, a specimen was obtained for histopathologic analysis to confirm the diagnosis, followed by tumor excision. All the patients were pain free at the final follow-up visit after a mean duration of 6 years (range 6 months to 12.7 years) postoperatively. We suggest arthroscopic removal of periarticular osteoid osteomas of the ankle as an effective treatment method, because it allows complete tumor excision, synovectomy when needed, a short postoperative rehabilitation period, and satisfactory functional results.

  2. Tratamento artroscópico da rigidez de cotovelo Arthroscopic treatment of elbow stiffness

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    Luis Alfredo Gómez Vieira

    2011-01-01

    Full Text Available OBJETIVO: Apresentar a técnica cirúrgica artroscópica e a avaliação dos resultados com esta técnica no tratamento da rigidez de cotovelo. MÉTODOS: Entre abril de 2007 e janeiro de 2010, 10 cotovelos de 10 pacientes com rigidez de cotovelo foram submetidos a tratamento artroscópico para liberação do arco de movimento. O seguimento mínimo foi de 11 meses, com média de 27 meses. A idade variou de 22 a 48 anos de idade, com média de 32,8 anos. Todos os pacientes eram do sexo masculino. Os pacientes foram acompanhados semanalmente no primeiro mês e a cada três meses após o procedimento artroscópico. A avaliação clínica foi feita por meio dos critérios da University of Califórnia at Los Angeles (UCLA. RESULTADOS: Todos os pacientes operados encontravam-se satisfeitos com os resultados do tratamento cirúrgico artroscópico, com uma média de 33,8 pontos na escala de avaliação da UCLA. CONCLUSÃO: O tratamento artroscópico da rigidez do cotovelo é uma técnica cirúrgica minimamente invasiva que mostrou-se eficiente para o tratamento desta complicação.OBJECTIVE: To present the arthroscopic surgical technique and the evaluation of the results from this technique for treating elbow stiffness. METHODS: Between April 2007 and January 2010, ten elbows of ten patients with elbow stiffness underwent arthroscopic treatment to release the range of motion. The minimum follow-up was 11 months, with an average of 27 months. All the patients were male and their average age was 32.8 years (ranging from 22 to 48 years. After the arthroscopic treatment, they were followed up weekly in the first month and every three months thereafter. The clinical evaluation was made using the criteria of the University of California at Los Angeles (UCLA. RESULTS: All the patients were satisfied with the results from the arthroscopic treatment. The average UCLA score was 33.8 points. CONCLUSION: Arthroscopic treatment for elbow stiffness is a minimally

  3. INTRAARTICULAR INJECTION OF HYALURONIC ACID AFTER ARTHROSCOPIC LAVAGE OF THE KNEE: LONG-TERM RESULTS

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    Lidia Vladimirovna Luchikhina

    2013-01-01

    Full Text Available Objective: to evaluate the efficiency of arthroscopic lavage in combination with subsequent injection of hyaluronic acid into the joint cavity at shortand long-term follow-ups. Subjects and methods. Eighty-two patients with knee osteoarthrosis (OA were examined in accordance with the American College of Rheumatology criteria. Group 1 consisted of 40 patients only after arthroscopic lavage; Group 2 comprised 42 patients who were administered hyaluronic acid after arthroscopic lavage. Clinical evaluation encompassed pain while walking, resting, and moving (by a visual analogue scale, limited ability in covering 100 m (by a 5-point scale, general clinical evaluation (by a 5-point ordinal scale, the presence or absence of pain after 100-m walking, as well as resting pain (its presence or absence. Results. The treatment effect evaluated using different indicators was comparably positive in both groups within 3 months. Following 3 months of therapy, its effect remained stable and even better in Group 2. The latter showed a particularly noticeable superiority a year later. Thus, there were excellent and good results in 88 and 47.5% in Groups 2 and 1, respectively. The clinical symptoms of the disease were absent in 58% in Group 2 and in only 15% in Group 1. Moreover, Group 1 showed worsening and 20% of the patients had no effect. This trend was also seen while evaluating the therapeutic effectiveness in different periods. Thus, after therapy, no substantial difference was found in both groups, but 3 months later this difference was as many as 0.8 scores and a year later Group 2 had many points in its favor (1.2 scores. Conclusion. Arthroscopic lavage followed by the administration of hyaluronic acid makes it possible to prevent the negative effect of a washing liquid on the metabolism and structure of the articular cartilage and to achieve a long-term effect against the major clinical symptoms (joint pain and function affecting the quality of life. The

  4. A Traffic Light Grading System of Hip Dysplasia to Predict the Success of Arthroscopic Hip Surgery.

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    Grammatopoulos, George; Davies, Owain L I; El-Bakoury, Ahmed; Gill, Harinderjit S; Pollard, Tom C B; Andrade, Antonio J

    2017-06-01

    The role of hip arthroscopic surgery in dysplasia is controversial. To determine the 7-year joint preservation rate after hip arthroscopic surgery in hip dysplasia and identify anatomic and intraoperative features that predict the success of hip preservation with arthroscopic surgery, allowing the formulation of an evidence-based classification system. Case-control study; Level of evidence, 3. Between 2008 and 2013, 111 hips with dysplastic features (acetabular index [AI] >10° and/or lateral center-edge angle [LCEA] hip (AI, LCEA, extrusion index) were performed. Outcome measures included whether the hip was preserved (ie, did not require arthroplasty) at follow-up and the preoperative and postoperative Non-Arthritic Hip Score (NAHS) and Hip disability and Osteoarthritis Outcome Score (HOOS). The AI and LCEA were calculated, factored by a measure of articular wear (AIf and LCEAf, respectively), according to the University College Hospital, London (UCL) grading system as follows: AIf = AI × (number of UCL wear zones + 1), and LCEAf = LCEA / (number of UCL wear zones + 1). A contour plot of the resulting probability value of failure for every combination of AIf and LCEAf allowed for the determination of the zones with the lowest and highest incidences of failure to preserve the hip. The mean AI and LCEA were 9.8° and 18.0°, respectively. At a mean follow-up of 4.5 years (range, 0.4-8.3 years), 33 hips had failed, requiring hip arthroplasty. The 7-year joint survival rate was 68%. The mean improvements in the NAHS and HOOS were 11 ( P = .001) and 22.8 ( P hip survival rate in hip dysplasia appears inferior compared with that reported in femoroacetabular impingement (78%). Hip arthroscopic surgery is associated with an excellent chance of hip preservation in mild dysplasia (green zone: AI = 0°-15°, LCEA = 15°-25°) and no articular wear. The authors advise that the greatest caution should be used when considering arthroscopic options in cases of severe dysplasia

  5. Magnetic Resonance Imaging Appearance of the Hip Musculature After Arthroscopic Labral-Level Iliopsoas Tenotomies.

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    Walczak, Brian E; Blankenbaker, Donna G; Tuite, Michael R; Keene, James S

    2017-05-01

    Iliopsoas (IP) muscle atrophy is a known consequence of open IP tenotomy, but the severity of IP muscle atrophy that occurs after arthroscopic labral-level IP tenotomies has not been documented. To document the severity of muscle atrophy that occurs in the iliacus, psoas, and adjacent hip musculature after arthroscopic labral-level IP tenotomy. Case series; Level of evidence, 4. Twenty-eight patients who had magnetic resonance arthrograms (MRAs) obtained prior to and 3 months to 5 years after arthroscopic labral-level IP tenotomies are the basis of this report. The pre- and postoperative MRAs of each patient were examined in consensus by 2 musculoskeletal radiologists who graded the postoperative muscle atrophy from 0 (no fatty infiltration) to 4 (>75% fatty infiltration) and noted any compensatory muscle hypertrophy or abnormal IP tendon morphology. Patients also were assessed with the Byrd 100-point modified Harris Hip Scoring system (MHHS) preoperatively and at the time of their postoperative MRA. Postoperative MRAs were obtained on average 1.7 years (range, 3 months to 5 years) after hip arthroscopy. None of the patients had muscle atrophy on their preoperative MRAs. In contrast, 89% of patients had iliacus and psoas muscle atrophy on their postoperative MRAs, but only 2 (7%) developed grade 4 atrophy, and the majority (64%) had either grade 1 (n = 15) or no atrophy (n = 3). In addition, there were no significant differences in the MHHS of the patients with mild (grades 0-1), moderate (grades 2-3), or severe (grade 4) postoperative atrophy. Postoperative MRAs also demonstrated low-grade atrophy (grades 1-2) in the quadratus femoris (n = 5) and rectus femoris (n = 1) muscles, and 16 patients (57%) had distortion of the tendon, but none had a gap in their tendon. A majority of patients (89%) developed IP muscle atrophy after arthroscopic labral-level IP tenotomies, and although this percentage was similar (89% vs 90%) to that reported with lesser trochanteric IP

  6. Outcomes After Arthroscopic Bankart Repair in Adolescent Athletes Participating in Collision and Contact Sports.

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    Saper, Michael G; Milchteim, Charles; Zondervan, Robert L; Andrews, James R; Ostrander, Roger V

    2017-03-01

    Literature on arthroscopic stabilization in adolescent patients participating in collision and contact sports is limited, as most studies include adolescents within a larger sample group comprised primarily of adults. To review the outcomes of arthroscopic Bankart repair for anterior shoulder instability in an adolescent population participating in collision and contact sports. Case series; Level of evidence, 4. This retrospective review included 39 shoulders in 37 adolescent (≤19 years) athletes who underwent primary arthroscopic Bankart repair using suture anchors with at least 2-year follow-up. All patients had a history of trauma to their shoulder resulting in an anterior dislocation. Outcome measures included patient satisfaction, the visual analog scale (VAS) for pain, American Shoulder and Elbow Surgeons (ASES) score, and Rowe score. Recurrence of dislocation and return to sporting activity were also assessed. The mean age at the time of surgery was 16.9 years (range, 15-19 years), and the mean follow-up was 6.3 years (range, 4.3-10.0 years); 58.6% of patients participated in collision sports. Time to surgery after the initial dislocation episode was 9.2 months (range, 0.5-36.2 months). Four shoulders (10.3%) had dislocation events postoperatively. The majority (78.1%) of patients returned to sports at the same level of competition. Mean VAS was 0.49 ± 1.0, and the mean ASES and Rowe scores were 92.8 ± 12.6 and 85.0 ± 24.2, respectively. Univariate analyses demonstrated that subjective functional outcomes were negatively correlated with recurrence (ASES, P = .005; Rowe, P = .001) and failure to return to sport (ASES, P = .016; Rowe, P = .004). Independent variables shown to have no significant relationship to functional outcomes included age, follow-up, number of preoperative dislocations, time to surgery, sport classification, competition level, tear extent, number of anchors, concurrent Hill-Sachs lesion, and repair of a superior labral anterior

  7. An analysis of technical aspects of the arthroscopic Bankart procedure as performed in the United States.

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    Burks, Robert T; Presson, Angela P; Weng, Hsin-Yi

    2014-10-01

    The purpose of this study was to investigate the intersurgeon variation in technical aspects of performing an arthroscopic Bankart repair. A unique approach with experienced equipment representatives from 3 different arthroscopic companies was used. Experienced representatives were identified by DePuy Mitek, Smith & Nephew, and Arthrex and filled out questionnaires on how their surgeons performed arthroscopic Bankart procedures. This was performed in a blinded fashion with no knowledge of the identities of the specific surgeons or representatives by us. A video on different aspects of the procedure was observed by each representative before filling out the questionnaire to help standardize responses. Data were collected using REDCap (Research Electronic Data Capture). Data were analyzed as an infrequent observation with 0% to 30% of representatives reporting the observation; sometimes, 31% to 70% reporting the observation; and often, greater than 70% of representatives reporting. Seventy-six percent of representatives had 6 or more years of arthroscopic experience. Forty-three percent of representatives reported that their surgeons use 3 portals for the procedure often. Forty-four percent reported that viewing was performed exclusively from the posterior portal while the surgeon was performing the repair. Seventy-three percent reported that the Hill-Sachs lesion was observed often, and 61% reported that the posterior labrum was evaluated often before the repair. Only 25% of representatives reported that the Bankart lesion was extensively released and mobilized often. Thirty-three percent reported 3 anchors as being used often. Seventy-five percent reported biocomposite anchors as being used often. Single-loaded anchors were reported as being used often by 47%. Eighty-one percent reported that sutures were placed in a simple fashion. Eighty-three percent reported the use of any posterior sutures or anchors for additional plication as infrequent. There is significant

  8. Evaluation of patients submitted to the arthroscopic treatment of the lateral epicondylitis refractory to the conservative treatment

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    Fabio Alexandre Martynetz

    2013-12-01

    Full Text Available Objective: to evaluate the results of the arthroscopic treatment of the lateral epicondylitis. Methods: we evaluated 14 patients (15 elbows submitted to the arthroscopic treatment of the lateral epicondylitis refractory to the conservative treatment, which was realized for a minimum period of 18 months. Beyond the demographic data collection, patients were evaluated according to the arthroscopic classification of Baker et al., the Disabilities of the Arm, Shoulder, and Hand (DASH questionnaire and the Mayo Elbow Performance Score (MEPS. The patients' ages ranged between 23 and 56 years (average 46 years (eight males and six females. Of the 15 elbows, 12 were the dominant and one patient had bilateral lesion. The follow-up after surgery was minimum 24 months and maximum 72 months (average 41 months. Results: we found, according to the arthroscopic classification of Baker et al., two patients with type I lesions, nine with type II lesions and three with type III lesions. We found the following complications: one patient with altered sensitivity in the region of the lateral portal, one with a deficit of ten degrees in length, one with synovial plica and one with synovitis in the lateral compartment. Our score on the DASH questionnaire was minimum of 32 points and maximum of 120 points (average 57 points and the scale of MEPS had a minimum score of 60 points and a maximum of 100 points (average 90 points. Conclusion: the arthroscopic treatment of the lateral epicondylitis, plus insurance, provides satisfactory results.

  9. All-Arthroscopic Autologous Matrix-Induced Chondrogenesis for the Treatment of Osteochondral Lesions of the Talus

    Science.gov (United States)

    Usuelli, Federico Giuseppe; de Girolamo, Laura; Grassi, Miriam; D'Ambrosi, Riccardo; Montrasio, Umberto Alfieri; Boga, Michele

    2015-01-01

    Several surgical techniques have been described for the treatment of talar chondral lesions. Among them, microfracture is well established. Autologous matrix-induced chondrogenesis (AMIC), using microfracture and biomaterials, has shown promising results for the treatment of knee osteochondral lesions and has been proposed for the ankle as an open technique. We describe an all-arthroscopic AMIC technique. The benefits of an all-arthroscopic procedure include smaller incisions with less soft-tissue dissection, better visualization of the joint, and a quicker recovery compared with open surgery. The use of matrix to support cartilage regeneration promotes good-quality cartilage tissue with satisfactory long-term outcomes. Our all-arthroscopic AMIC technique uses a type I–type III porcine collagen matrix (Chondro-Gide; Geistlich Pharma, Wolhusen, Switzerland) and is characterized by 2 different arthroscopic surgical phases. First, adequate exposure is achieved through use of a Hintermann spreader (Integra LifeSciences, Plainsboro, NJ) with sufficient joint distraction and wet lesion preparation. The second surgical step is performed dry, involving matrix placement and fixation. The all-arthroscopic AMIC technique for the treatment of osteochondral lesions of the talus allows a very precise reconstruction in the case of cartilage defects and avoids the need for a more invasive operation associated with higher morbidity and a longer surgical time. PMID:26258040

  10. One strategy for arthroscopic suture fixation of tibial intercondylar eminence fractures using the Meniscal Viper Repair System

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    Ochiai Satoshi

    2011-08-01

    Full Text Available Abstract Background Principles for the treatment of tibial intercondylar eminence fracture are early reduction and stable fixation. Numerous ways to treatment of this fracture have been invented. We designed a simple, low-invasive, and arthroscopic surgical strategy for tibial intercondylar eminence fracture utilizing the Meniscal Viper Repair System used for arthroscopic meniscal suture. Methods We studied 5 patients, who underwent arthroscopic suture fixation that we modified. The present technique utilized the Meniscal Viper Repair System for arthroscopic suture of the meniscus. With one handling, a high-strength ultra-high molecular weight polyethylene(UHMWPE suture can be passed through the anterior cruciate ligament (ACL and the loops for suture retrieval placed at both sides of ACL. Surgical results were evaluated by the presence or absence of bone union on plain radiographs, postoperative range of motion of the knee joint, the side-to-side differences measured by Telos SE, and Lysholm scores. Results The reduced position achieved after surgery was maintained and good function was obtained in all cases. The mean distance of tibia anterior displacement and assessment by Lysholm score showed good surgical results. Conclusion This method simplified the conventional arthroscopic suture fixation and increased its precision, and was applicable to Type II fractures that could be reduced, as well as surgically indicated Types III and IV. The present series suggested that our surgical approach was a useful surgical intervention for tibial intercondylar eminence fracture.

  11. Development and Validation of Cognitive Rehearsal as a Training Strategy for Arthroscopic Surgery

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    Kovacevic, David; Hodgins, Justin Lane; Lowe, Dylan T.; He, Janice; Popkin, Charles Aaron; Lynch, Thomas Sean; Ahmad, Christopher S.

    2016-01-01

    Objectives: Surgical performance is a highly intellectual activity that involves the processing of perceptual information from the five senses. Strategies to process, organize, and retain this perceptual information may benefit learning techniques. Once such strategy, cognitive rehearsal, is the activity where a skill is rehearsed in memory prior to the actual performance. This study aimed to develop and validate a cognitive rehearsal strategy for arthroscopic knee surgery in orthopaedic residents. We hypothesized that this training tool will lead to increased comfort and confidence with arthroscopic surgery performance. Methods: An expert surgeon was filmed performing an arthroscopic ACL reconstruction using patellar bone-tendon-bone autograft. An instructional training video was then created incorporating the extracorporeal and arthroscopic footage with voice over and subtitles. Following the surgery, cognitive recall of the procedure was conducted with the surgeon to identify key visual, cognitive, and kinesthetic cues to develop a mental imagery script to enhance rehearsal of arthroscopic surgery. Orthopaedic residents from two academic training programs were invited to participate. Demographic information including training level, previous musical experience, organized sports participation, and preferred learning style was collected. The training session consisted of a relaxation exercise, instructional video of an expert performing the procedure, learning the mental imagery script, and rehearsing the procedure out loud with a partner. The residents’ ability to rehearse the procedure was assessed before and after the training session with a modified version of a previously validated questionnaire, and a post-training session survey was administered to define which components of the rehearsal seemed most beneficial. Statistical analysis included a reliability analysis for internal consistency, and a nonparametric Wilcoxon test to compare the composite

  12. "Owl" Technique for All-Arthroscopic Augmentation of a Massive or Large Rotator Cuff Tear With Extracellular Matrix Graft.

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    Narvani, A Ali; Consigliere, Paolo; Polyzois, Ioannis; Sarkhel, Tanaya; Gupta, Rohit; Levy, Ofer

    2016-08-01

    Despite the vast improvement in techniques and technology for arthroscopic rotator cuff surgery, repairs of massive and large tears remain challenging because they are associated with significantly high failure rates. In recent years, patch augmentation has gained popularity as a technique to decrease these high failure rates. Arthroscopic patch augmentation of rotator cuff repair, however, is technically difficult. The purpose of this report is to describe a simple and reproducible technique for all-arthroscopic extracellular matrix graft augmentation. With this technique, which we refer to as the "owl" technique because the prepared extracellular augment resembles an owl, there are relatively few suture ends involved; therefore, augment introduction is straightforward with a reduced risk of suture ends becoming tangled. In addition, the way in which our augmentation is prepared helps to prevent it from becoming bunched up when being secured.

  13. Long-Term Restoration of Anterior Shoulder Stability: A Retrospective Analysis of Arthroscopic Bankart Repair Versus Open Latarjet Procedure.

    Science.gov (United States)

    Zimmermann, Stefan M; Scheyerer, Max J; Farshad, Mazda; Catanzaro, Sabrina; Rahm, Stefan; Gerber, Christian

    2016-12-07

    Various operative techniques are used for treating recurrent anterior shoulder instability, and good mid-term results have been reported. The purpose of this study was to compare shoulder stability after treatment with the 2 commonly performed procedures, the arthroscopic Bankart soft-tissue repair and the open coracoid transfer according to Latarjet. A comparative, retrospective case-cohort analysis of 360 patients (364 shoulders) who had primary repair for recurrent anterior shoulder instability between 1998 and 2007 was performed. The minimum duration of follow-up was 6 years. Reoperations, overt recurrent instability (defined as recurrent dislocation or subluxation), apprehension, the subjective shoulder value (SSV), sports participation, and overall satisfaction were recorded. An open Latarjet procedure was performed in 93 shoulders, and an arthroscopic Bankart repair was done in 271 shoulders. Instability or apprehension persisted or recurred after 11% (10) of the 93 Latarjet procedures and after 41.7% (113) of the 271 arthroscopic Bankart procedures. Overt instability recurred after 3% of the Latarjet procedures and after 28.4% (77) of the Bankart procedures. In the Latarjet group, 3.2% of the patients were not satisfied with their result compared with 13.2% in the Bankart group (p = 0.007). Kaplan-Meier analysis of survivorship, with apprehension (p Latarjet procedure and the decreasing effectiveness of the arthroscopic Bankart repair over time. Twenty percent of the first recurrences after arthroscopic Bankart occurred no earlier than 91 months postoperatively, as opposed to the rare recurrences after osseous reconstruction, which occurred in the early postoperative period, with only rare late failures. In this retrospective cohort study, the arthroscopic Bankart procedure was inferior to the open Latarjet procedure for repair of recurrent anterior shoulder dislocation. The difference between the 2 procedures with respect to the quality of outcomes

  14. Acute acromioclavicular dislocation: a cheaper, easier and all-arthroscopic system. Is it effective in nowadays economical crisis?

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    Sastre, Sergi; Dada, Michelle; Santos, Simon; Lozano, Lluis; Alemany, Xavier; Peidro, Lluis

    2015-03-01

    The objective of this manuscript is to show an effective, easier and cheaper way to reduce acute acromioclavicular (AC) dislocation type III and V (Rockwood classification). Numerous procedures have been described for surgical management of acromioclavicular joint disruption. Newest devices involve an arthroscopic technique that allows nonrigid anatomic fixation of the acromioclavicular joint. Arthroscopically assisted treatment of acute AC joint dislocation is advantageous because it provides good clinical results and few complications. It also allows reviewing glenohumeral associated lesions. This surgical technique requires no specific implants to achieve a correct AC reduction. Actually, economical advantages are very important factors to decide the use of determinate surgical techniques.

  15. Assessment of the results from arthroscopic surgical treatment of adhesive capsulitis

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    Marcio Cohen

    2013-06-01

    Full Text Available OBJECTIVE: Describe the outcomes of patients with adhesive capsulitis treated with arthroscopic surgical procedure. METHODS: Between January and September of 2009, 9 patients (10 cases underwent arthroscopic surgical release. There were 4 male (one bilateral and 5 female patients. Their mean age was 51 years (27-63. The time from onset of symptoms to the surgical procedure averaged 23.4 months (6-38. Preoperative assessment was based on the UCLA and Constant score. ROM was evaluated with one week and six months of surgery. RESULTS: According to UCLA shoulder score (p < 0.01 it increased from 9.8 preoperatively (6-14 to 31.6 postoperatively (26-35 and the Constant (p < 0.01 from 20 (13-27 to 79.2 (66-91. ROM improved significantly, with mean passive elevation changing from 89° (80-100° preoperatively to 150° postoperatively with one week and 153° with six months, mean passive external rotation changing from 12.5° (0-30° preoperatively to 46° (one week and 56° (six months postoperatively, and passive internal rotation from L5 (T12-gluteus to T11 (one week and T9 (six months. There was not statistical significance of the duration of the disease and the postoperative result. CONCLUSION: This study shows that the surgical treatment of adhesive capsulitis with arthroscopic capsular release and manipulation appears to be a safe procedure that results in pain relief and functional gain.

  16. Arthroscopic Shoulder Surgical Simulation Training Curriculum: Transfer Reliability and Maintenance of Skill Over Time.

    Science.gov (United States)

    Dunn, John C; Belmont, Philip J; Lanzi, Joseph; Martin, Kevin; Bader, Julia; Owens, Brett; Waterman, Brian R

    2015-01-01

    Surgical education is evolving as work hour constraints limit the exposure of residents to the operating room. Potential consequences may include erosion of resident education and decreased quality of patient care. Surgical simulation training has become a focus of study in an effort to counter these challenges. Previous studies have validated the use of arthroscopic surgical simulation programs both in vitro and in vivo. However, no study has examined if the gains made by residents after a simulation program are retained after a period away from training. In all, 17 orthopedic surgery residents were randomized into simulation or standard practice groups. All subjects were oriented to the arthroscopic simulator, a 14-point anatomic checklist, and Arthroscopic Surgery Skill Evaluation Tool (ASSET). The experimental group received 1 hour of simulation training whereas the control group had no additional training. All subjects performed a recorded, diagnostic arthroscopy intraoperatively. These videos were scored by 2 blinded, fellowship-trained orthopedic surgeons and outcome measures were compared within and between the groups. After 1 year in which neither group had exposure to surgical simulation training, all residents were retested intraoperatively and scored in the exact same fashion. Individual surgical case logs were reviewed and surgical case volume was documented. There was no difference between the 2 groups after initial simulation testing and there was no correlation between case volume and initial scores. After training, the simulation group improved as compared with baseline in mean ASSET (p = 0.023) and mean time to completion (p = 0.01). After 1 year, there was no difference between the groups in any outcome measurements. Although individual technical skills can be cultivated with surgical simulation training, these advancements can be lost without continued education. It is imperative that residency programs implement a simulation curriculum and

  17. Arthroscopic optical coherence tomography provides detailed information on articular cartilage lesions in horses.

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    te Moller, N C R; Brommer, H; Liukkonen, J; Virén, T; Timonen, M; Puhakka, P H; Jurvelin, J S; van Weeren, P R; Töyräs, J

    2013-09-01

    Arthroscopy enables direct inspection of the articular surface, but provides no information on deeper cartilage layers. Optical coherence tomography (OCT), based on measurement of reflection and backscattering of light, is a diagnostic technique used in cardiovascular surgery and ophthalmology. It provides cross-sectional images at resolutions comparable to that of low-power microscopy. The aim of this study was to determine if OCT is feasible for advanced clinical assessment of lesions in equine articular cartilage during diagnostic arthroscopy. Diagnostic arthroscopy of 36 metacarpophalangeal joints was carried out ex vivo. Of these, 18 joints with varying degrees of cartilage damage were selected, wherein OCT arthroscopy was conducted using an OCT catheter (diameter 0.9 mm) inserted through standard instrument portals. Five sites of interest, occasionally supplemented with other locations where defects were encountered, were arthroscopically graded according to the International Cartilage Repair Society (ICRS) classification system. The same sites were evaluated qualitatively (ICRS classification and morphological description of the lesions) and quantitatively (measurement of cartilage thickness) on OCT images. OCT provided high resolution images of cartilage enabling determination of cartilage thickness. Comparing ICRS grades determined by both arthroscopy and OCT revealed poor agreement. Furthermore, OCT visualised a spectrum of lesions, including cavitation, fibrillation, superficial and deep clefts, erosion, ulceration and fragmentation. In addition, with OCT the arthroscopically inaccessible area between the dorsal MC3 and P1 was reachable in some cases. Arthroscopically-guided OCT provided more detailed and quantitative information on the morphology of articular cartilage lesions than conventional arthroscopy. OCT could therefore improve the diagnostic value of arthroscopy in equine orthopaedic surgery.

  18. Arthroscopic single-bundle reconstruction of posterior cruciate ligament with quadrupled hamstring tendon

    Institute of Scientific and Technical Information of China (English)

    SUN Lei; NING Zhi-jie; ZHANG Hui; TIAN Min; NING Ting-min

    2007-01-01

    Objective:To evaluate the technique and outcome of arthroscopic single-bundle reconstruction of posterior cruciate ligament (PCL) with quadrupled hamstring tendon. Methods:From April 2001 to October 2004,49 knees with PCL tears in 49 patients were verified with arthroscope in this department. Of them, 13 were combined with anterior cruciate ligament tears,14 with disruptions of the posterolateral corner,6 with ruptures of the posteromedial corner and medial collateral ligament,9 with lateral meniscus tears,5 with medial meniscus tears and 2 with popliteal vascular tears.All the damaged PCLs were reconstructed with single-bundle of autogenous quadrupled hamstring tendons under arthroscope.Biodegradable interference screws or blunt titanium interference screws were used for direct anatomic fixation of the reconstructed ligament. Results:After operation,no severe complications occurred at early stage in the 49 patients.All of them were followed up for 10-52 months with an average of 22.0 months±10.7 months.Lysholm score was remarkably improved from 30-60 ( mean:47.96 ± 8.16) preoperatively to 70-95 ( mean:89.08 ± 6.10) at the last postoperative follow-up (P < 0.01 ).Furthermore,there was a significant improvement in International Knee Documentation Committee (IKDC) score from abnormal ( Grade C) in 10 knees and severely abnormal ( Grade D ) in 39 preoperatively to normal ( Grade A) in 20,nearly normal ( Grade B) in 24 and abnormal in 5 at the last follow-up.Of the 49 patients,40 returned to the same activity level as before and 9 were under the level. Conclusions:Single-bundle reconstruction of PCL with quadrupled hamstring tendons has the advantage of minimal trauma in surgery and satisfactory outcome.

  19. T2 relaxometry of the infrapatellar fat pad after arthroscopic surgery

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    Torriani, Martin; Bredella, Miriam A. [Massachusetts General Hospital and Harvard Medical School, Musculoskeletal Imaging and Intervention, Department of Radiology, Boston, MA (United States); Taneja, Atul K. [Hospital do Coracao (HCor), Teleimagem, and Hospital Israelita Albert Einstein, Division of Musculoskeletal Imaging, Department of Radiology, Sao Paulo (Brazil); Hosseini, Ali; Li, Guoan [Massachusetts General Hospital and Harvard Medical School, Bioengineering Laboratory, Department of Orthopedics, Boston, MA (United States); Gill, Thomas J. [Massachusetts General Hospital and Harvard Medical School, Sports Medicine Center, Department of Orthopedics, Boston, MA (United States)

    2014-03-15

    To investigate the T2 relaxation values of the infrapatellar fat pad (IFP) after arthroscopic surgery. This study was approved by the institutional review board; all individuals signed informed consent. We performed MRI in 16 knees from 8 subjects. Prior to imaging, each subject had unilateral arthroscopic knee surgery and an asymptomatic non-operated contralateral knee. We used a 10-echo multiple-TE fast-spin echo pulse sequence for creation of T2 relaxation time maps. Two musculoskeletal radiologists independently placed regions of interest in the IFP, suprapatellar subcutaneous and deep intermuscular adipose tissue. Qualitative assessments were performed to assess fibrotic changes affecting patellar retinaculum and IFP. Statistical analyses of T2 values determined differences between groups, correlation with time after surgery, and cut-off values to differentiate groups. The average time between arthroscopy and imaging was 3.5 ± 0.4 years. IFP of knees with prior surgery had significantly shorter mean T2 values (133 ± 14 ms) compared with control knees (147 ± 8 ms, P = 0.03). There was no significant difference between operated and control knees regarding T2 values of suprapatellar subcutaneous (P = 0.3) or deep intermuscular adipose tissue (P = 0.2). There was no correlation between IFP T2 values and time after surgery (P > 0.2). IFP T2 values ≤ 139 ms had 75 % sensitivity and 88 % specificity in identifying prior arthroscopy. Shortening of T2 relaxation values is present in IFP chronically after arthroscopic surgery and may be an indicator of adipose tissue fibrosis. (orig.)

  20. Extracapsular approach for arthroscopic treatment of femoroacetabular impingement: clinical and radiographic results and complications

    Directory of Open Access Journals (Sweden)

    Bruno Dutra Roos

    2015-08-01

    Full Text Available ABSTRACTOBJECTIVES: To evaluate the clinical and radiographic results and complications relating to patients undergoing arthroscopic treatment for femoroacetabular impingement by means of an extracapsular approach. METHODS: Between January 2011 and March 2012, 49 patients (50 hips underwent arthroscopic treatment for femoroacetabular impingement, performed by the hip surgery team of the Orthopedic Hospital of Passo Fundo, Rio Grande do Sul. Forty patients (41 hips fulfilled all the requirements for this study. The mean follow-up was 29.1 months. The patients were assessed clinically by means of the Harris Hip score, as modified by Byrd (MHHS, the Non-Arthritic Hip score (NAHS and the internal rotation of the hip. Their hips were also evaluated radiographically, with measurement of the CE angle, dimensions of the joint space, alpha angle, neck-head index, degree of arthrosis and presence of heterotopic ossification of the hip. RESULTS: Out of the 41 hips treated, 31 (75.6% presented good or excellent clinical results. There was a mean postoperative increase of 22.1 points for the MHHS, 21.5 for the NAHS and 16.4° for the internal rotation of the hip ( p< 0.001. Regarding the radiographic evaluation, correction to normal values was observed for the alpha angle and neck-head index, with a mean postoperative decrease of 32.9° and mean increase of 0.10, respectively ( p< 0.001. CONCLUSION: Arthroscopic treatment of femoroacetabular impingement by means of an extracapsular approach presented satisfactory clinical and radiographic results over a mean follow-up of 29.1 months, with few complications.

  1. [Arthroscopic dorsal ligamento capsulodesis results in Geissler grade 2 and 3 scapholunate interosseous ligament injuries].

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    Özçelik, İsmail Bülent; Uğurlar, Meriç; Kabakaş, Fatih; Purisa, Hüsrev

    2015-01-01

    This study aims to retrospectively evaluate results of arthroscopic dorsal ligamento capsulodesis in Geissler grade 2 and 3 scapholunate ligament injuries. Thirty-two patients (20 males, 12 females; mean age 30.1 years; range 21 to 42 years) who were performed arthroscopic dorsal ligamento capsulodesis due to Geissler grade 2 and 3 scapholunate ligament injuries between February 2011 and July 2013 were included in this study. Mean duration between the onset of complaints and surgery was 13.7 (range 6-20) months. Joint ranges of motion were compared to wrist motions on the healthy side. Patients were evaluated postoperatively by Mayo Wrist Scoring Test. Pain was assessed by visual analog scale (VAS). Mean follow-up period was 15.12 (range 6-24) months. According to Mayo Wrist Scoring Test, results were excellent in 20 patients, and good in 12 patients. Compared to the healthy extremity, preoperative mean flexion gap range was 2.18° (range 0°-5°), and mean extension gap range was 4.37° (range 0°-15°). Compared to the healthy extremity, postoperative mean flexion gap range was 1.71° (range 0°-5°), and extension gap range was 1.09° (range 0°-10°). Compared to the healthy hand, preoperative and postoperative mean grip strengths were 86% and 94%, respectively. While preoperative VAS score was 6.59 (range 4-9), postoperative VAS score was 1.21 (range 0-6). According to the study results, arthroscopic dorsal ligamento capsulodesis is an effective method for the elimination of pain and range of motion limitation, and recovery of grip strength.

  2. Neurovascular relationships of the approaches for arthroscopic total trapeziectomy with ligamentous stabilization.

    Science.gov (United States)

    Durand, S; Gagey, O; Masquelet, A C; Thoreux, P

    2005-08-01

    The aim of this study was to define the neurovascular relationships of the approaches used during arthroscopic total trapeziectomy with the Thompson "suspension-plasty." Fifteen fresh cadavers in which trapezio-metacarpal arthritis had been confirmed by preoperative radiographs were chosen. There were 12 women and 3 men (average age: 87 years), and small joint arthroscopy equipment was used. Two approaches for the trapezio-metacarpal joint were used: an ulnar approach situated at the ulnar border of the extensor pollicis brevis tendon and a radial approach placed at the middle of a line joining the tendons of the flexor carpi radialis and the abductor pollicis longus. A new transosseous approach at the base of the first metacarpal ("trans-M1" approach) is suggested and was used to do the ligamento-plasty. After the operation, a large skin flap was elevated in order to measure the distance between each surgical approach and the different neurovascular structures (radial artery, dividing branches of the superficial branch of the radial nerve and the end of the lateral cutaneous nerve of the forearm) and to verify the absence of neurovascular lesions. The different neurovascular structures at risk during this arthroscopic maneuver were the radial artery for the ulnar approach, the branches of the superficial branch of the radial nerve for all of the approaches and the ending of the lateral cutaneous nerve of the forearm for the radial and "trans-M1" approaches. The use of the approaches described allows arthroscopic trapeziectomy with the Thompson suspension-plasty without us having noted neurovascular lesion.

  3. Arthroscopic Treatment of Discoid Lateral Meniscus Tears in Children With Achondroplasia.

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    Atanda, Alfred; Wallace, Maegen; Bober, Michael B; Mackenzie, William

    2016-01-01

    Achondroplasia is the most common form of skeletal dysplasia that presents to the pediatric orthopaedist. More than half of achondroplasia patients are affected with knee pain. It is thought that the majority of this pain may be due to spinal stenosis, hip pathology, or knee malalignment. Discoid menisci can be a source of lateral knee joint pain in skeletally immature patients in general. We present the first case series of patients with achondroplasia who had symptomatic discoid lateral menisci treated with arthroscopic knee surgery. The charts of 6 patients (8 knees) with achondroplasia who underwent arthroscopic knee surgery for symptomatic discoid lateral menisci were collected. History and physical examination data, magnetic resonance imaging findings, and operative reports were reviewed. Meniscal tear configuration and treatment type (meniscectomy vs. repair) were noted. Each patient was found to have a tear of the discoid meniscus. All menisci were treated with saucerization. In addition, meniscal repair was performed in 2 cases, partial meniscectomy in 3 cases, and subtotal meniscectomy in 3 cases. Two patients had bilateral discoid meniscal tears which were treated. Average follow-up was 2.4 years (range, 1 to 4.5 y) and the average pediatric International Knee Documentation Committee (pedi-IKDC) score was 85.3% (range, 75% to 95.4%). At final follow-up, all patients were pain free and able to return to full activities. Discoid meniscus tears may be a source of lateral joint line pain in patients with achondroplasia. These injuries can be successfully treated with arthroscopic surgery in this patient population. Future studies need to be done to determine the exact incidence of discoid menisci in achondroplasia patients and also to determine whether there is a genetic relationship between the 2 conditions. Level IV-case series.

  4. Management of an engaging Hill-Sachs lesion: arthroscopic remplissage with Bankart repair versus Latarjet procedure.

    Science.gov (United States)

    Cho, Nam Su; Yoo, Jae Hyun; Rhee, Yong Girl

    2016-12-01

    This study compared the clinical outcomes of arthroscopic remplissage with Bankart repair and Latarjet operation in patients with a large engaging Hill-Sachs lesion. Thirty-seven shoulders subjected to arthroscopic remplissage with a Bankart repair (group A) and 35 shoulders subjected to a Latarjet operation (group B), for a large engaging Hill-Sachs lesion without significant glenoid bone loss, were retrospectively evaluated. Each group was followed up for a mean more than 2-year period. At the last follow-up, postoperative pain, shoulder mobility, muscle strength, Rowe score, and UCLA score revealed no significant difference between the two groups. The postoperative mean deficit in external rotation at the side (ERs) was 8° ± 23° in group A (P = 0.044). In group B, the mean deficits in ERs, external rotation at 90° of abduction, and internal rotation to the posterior were 10° ± 20°, 7° ± 16°, and 1.9° ± 4°, respectively (P = 0.004, 0.022, and 0.009, respectively). The recurrence rate was 5.4 % (two shoulders) in group A and 5.7 % (two shoulders) in group B (n.s.). The overall complication rate was significantly higher in group B (14.3 %) than in group A (0 %) (P = 0.017). For recurrent anterior shoulder instability with a large engaging Hill-Sachs lesion, both arthroscopic remplissage with Bankart repair and the Latarjet procedure were safe and reliable techniques with a low recurrence rate. However, the Latarjet group had a significantly higher postoperative complication rate than the remplissage group. Case-control study, Level III.

  5. Results of Arthroscopic Subtalar Arthrodesis for Adult-Acquired Flatfoot Deformity vs Posttraumatic Arthritis.

    Science.gov (United States)

    Vilá y Rico, Jesús; Jiménez Díaz, Verónica; Bravo Giménez, Beatriz; Mellado Romero, María Ángeles; Ojeda Thies, Cristina

    2016-02-01

    The goal of this study was to compare results with arthroscopic posterior subtalar arthrodesis between patients treated for adult-acquired flatfoot deformity (AAFD) due to posterior tibial tendon dysfunction and patients with posttraumatic subtalar arthritis. Retrospective case series of 61 consecutive patients (group 1: posttraumatic arthritis, n = 37; group 2: AAFD, n = 24) averaging 49 years of age (range, 21-72 years) undergoing posterior arthroscopic subtalar arthrodesis via 1 or 2 percutaneous 6.5- to 7.3-mm screws, with a mean follow-up of 57.5 months (range, 24-105 months). Fusion was defined as the appearance of bony trabeculae across the subtalar joint on standard x-rays, along with clinical signs of union. Patients with posttraumatic arthritis (group 1) were more predominantly male and younger than patients treated for AAFD (group 2). Overall, we achieved a 95.1% radiologic union rate after an average of 11.7 weeks. Complications appeared in 14.8% of patients. Union rate and complications did not differ significantly between groups. American Orthopaedic Foot & Ankle Society (AOFAS) scores improved significantly for both patient groups, although patients with AAFD showed significantly larger improvement and higher postoperative AOFAS scores, even after adjusting for age and sex (mean improvement in AOFAS scores: 27.0 ± 9.1 points for the posttraumatic arthritis group vs 34.9 ± 7.4 points for the AAFD group; P < .001). Arthroscopic subtalar arthrodesis was a safe and reliable technique, with consistent improvement in AOFAS scores throughout different patient subgroups, as well as comparable time to union and complication rates. Improvements were larger for patients treated for AAFD, even after adjusting for age and sex. Level III, retrospective case series. © The Author(s) 2015.

  6. Safety and efficiency of a 2-portal lateral approach to arthroscopic subtalar arthrodesis: a cadaveric study.

    Science.gov (United States)

    Lintz, Francois; Guillard, Claude; Colin, Fabrice; Marchand, Jean-Baptiste; Brilhault, Jean

    2013-07-01

    To investigate the safety and efficiency of a 2-portal lateral (anterior and middle) approach to arthroscopic subtalar arthrodesis. A cadaveric study was performed on 30 feet of 15 fresh cadaveric bodies (15 right and 15 left; 21 female specimens and 9 male specimens). The mean age at death was 78 ± 6.7 years. The procedure was performed with the specimen in the supine position through 2 lateral (anterior and middle) sinus tarsi portals by use of a 4.0-mm arthroscope. A 3.5-mm synovial shaver was used for debridement, and a 4.5-mm shielded bur was used to resect posterior subtalar facets. The feet were then dissected. The primary outcomes were the percentage of resected joint surface and the distances between portals and both sural and superficial peroneal nerves. The secondary outcomes were injury of sinus tarsi ligaments and lateral arterial network, calcaneofibular ligament, peroneal tendons, flexor hallucis longus tendon, and posterior tibial neurovascular bundle. The mean percentages of resected talar and calcaneal posterior subtalar facets were 94% ± 7.2% and 91% ± 6.8%, respectively. The minimum distance of either subtalar portal to the nerves was 4 mm. No nerve injury was observed. In 28 of 30 cases, the lateral sinus tarsi arterial network was found intact. In all cases the inferior retinaculum extensor was transfixed by the portals. In all cases both cervical and interosseous talocalcaneal ligaments were found intact. In 3 cases a shaving lesion was observed on the peroneus brevis tendon. According to this cadaveric study, more than 90% freshening of the posterior subtalar articular facets can be achieved through a 2-portal lateral (anterior and middle) approach. This technique is reproducible and safe with regard to the surrounding nerves. The 2 lateral portals may offer a safe and effective alternative approach for arthroscopic arthrodesis of the posterior subtalar joint. Copyright © 2013 Arthroscopy Association of North America. Published by

  7. An algorithmic approach to rehabilitation following arthroscopic surgery for arthrofibrosis of the knee: A case series.

    Science.gov (United States)

    Eckenrode, Brian J

    2017-09-01

    Loss of knee range of motion (ROM) has been reported as the most common complication following anterior cruciate ligament reconstruction (ACLR). Arthrofibrosis of the knee, or specifically Cyclops syndrome, has been described as the formation of a scar tissue nodule adjacent to the tibial tunnel of the anterior cruciate ligament (ACL) graft. This lesion often results in loss of knee extension ROM, pain, and impaired function. Three consecutive patients were referred to physical therapy following arthroscopic knee surgery for lysis of adhesions of a Cyclops lesion from a previous ACLR. Arthroscopic debridement was performed between 3 and 12 months post ACLR. An algorithmic progression of extension ROM was the initial focus of physical therapy, which then advanced to strengthening, neuromuscular reeducation, and sport specific training. Following knee surgery for debridement of the Cyclops lesion, mean knee joint ROM at the initial physical therapy evaluation was 7.0° ± 8.6° to 118.3° ± 7.6° that progressed to -1.0° ± 1.7° to 127° ± 2.6° at discharge. Mean numeric pain rating improved from 3.0 ± 1.0 at the evaluation to 0.7 ± 1.1 at discharge. Mean Lower Extremity Functional Scale (LEFS) improved from 56.3 ± 13.6 to 77.0 ± 4.3 at discharge. Arthroscopic debridement of knee joint arthrofibrosis after ACLR in conjunction with a postoperative physical therapy algorithmic approach to maximizing knee joint extension ROM can be beneficial in gaining symmetrical knee extension range of motion and improved function. Further studies may help to understand the optimal mode, frequency, and duration of stretching to achieve full symmetrical knee extension in this population.

  8. Outcomes of Bankart Repairs Using Modern Arthroscopic Technique in an Athletic Population.

    Science.gov (United States)

    Milchteim, Charles; Tucker, Scott A; Nye, Darin D; Lamour, Richard J; Liu, Wei; Andrews, James R; Ostrander, Roger V

    2016-07-01

    To report a large number of highly active patients who underwent arthroscopic Bankart repair at our institution over the last decade. A retrospective analysis of patients who underwent primary and revision arthroscopic Bankart repairs using bioabsorbable anchors was performed. Outcome measures included recurrence of dislocation, American Shoulder and Elbow Scores (ASES), Rowe, visual analog scale (VAS), return to sports, and satisfaction scores. A total of 94 shoulders met the inclusion criteria. The recurrence rate was 6/94 (6.4%) at a mean follow-up of 5 years (range, 3 to 8.3). The mean postoperative scores were as follows: ASES = 91.5/100; Rowe = 84.3/100; VAS = 0.8/10; satisfaction = 8.8/10. In those who attempted to return to sports, 82.5% were able to return to the same level of competition. Statistical analyses revealed a significant increase in risk of recurrence among high school and recreational athletes. No recurrences were observed among professional or college-level athletes. No significant difference in recurrence rates was observed in regards to age, time to surgery, type of athlete (collision v limited contact), repair of SLAP lesion, number of anchors, or revision surgery. Although several repair techniques exist for traumatic anterior shoulder instability, arthroscopic repair remains a viable option even in a highly active patient population. This study uniquely identified high school and recreational athletes at higher risk for recurrence. This is perhaps due to inferior shoulder development and technique as well as to limited access to postoperative physical therapy. Level IV, therapeutic case series. Copyright © 2016 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  9. Arthroscopic repair of small and medium-sized bony Bankart lesions.

    Science.gov (United States)

    Kim, Young-Kyu; Cho, Seung-Hyun; Son, Won-Su; Moon, Sung-Hoon

    2014-01-01

    There has been no study about treatment guidelines for arthroscopic repair according to the size of bony Bankart lesions of less than 25% of the glenoid width. To evaluate the results of arthroscopic repair for bony Bankart lesions managed with different repair techniques based on their size. Case series; Level of evidence, 4. Between March 2005 and February 2009, 44 of 52 consecutive patients with bony Bankart lesions with a size of less than 25% of the entire glenoid were managed with an arthroscopic approach. Of those patients, 34 (77%) were available for outcome analysis at a minimum 24 months' follow-up (mean, 34 months; range, 24-60 months). The size of the fragment was measured by computed tomography (CT) and classified as small (lesions were classified as small (small group), and 18 were classified as medium (medium group). For small lesions, capsulolabral repair using suture anchors without excision of the bony fragment was performed. For medium lesions, anatomic reduction and fixation using suture anchors was performed, and the adequacy of reduction was assessed by CT postoperatively. The visual analog scale (VAS) for pain score and modified Rowe score for bony Bankart repair were compared and the postoperative recurrence rate investigated. One patient from the small group (6.3%) and 1 patient without anatomic reduction of the bony fragment in the medium group (5.6%) experienced traumatic redislocations. The mean VAS score improved from 1.7 preoperatively to 0.5 at final follow-up, and the mean Rowe score improved from 59 to 91 (both P Bankart lesions, restoration of capsulolabral soft tissue tension alone may be enough, whereas in medium lesions, the osseous architecture of the glenoid should be reconstructed for more functional improvement and less pain.

  10. All arthroscopic stabilization of acute acromioclavicular joint dislocation with fiberwire and endobutton system

    Science.gov (United States)

    Spoliti, Marco; De Cupis, Mauro; Via, Alessio Giai; Oliva, Francesco

    2014-01-01

    Summary Introduction: acromioclavicular (AC) joint dislocation is common in athletes and in contact sports and about 9% of shoulder injuries involves this joint. The majority of these AC lesions can be successfully treated conservatively but high grade dislocation and some cases of type III dislocation need a surgical treatment. Many different operative techniques have been described over the years. The purpose of this study is to evaluate the results of arthroscopic stabilization of AC joint dislocation with TightRope® system. Materials and methods: nineteen patients with acute AC dislocation were treated by arthroscopic fixation with TightRope® system. Any associated lesions were repaired. All patients were assessed before surgery (T0), at 3 months (T1), at 6 months (T2) and at 1 year after the surgery (T3) using a visual analogic scale (VAS) and Constant-Murley Score (CMS). All patients were evaluated with X-ray. Results: six AC-joint dislocations involved the right shoulder and thirteen the left shoulder. Ten were type III dislocation, three were type IV and six were type V dislocation. We found a statistically significant reduction of pain (p< 0.01) at T1 compared to the pretreatment scores. The CMS measures showed an improvement between T1, T2 and T3, but the difference was statistically significant only between T1 and T3 (p= 0.017). The postoperative X-Ray of the shoulder showed a good reduction of the AC joint dislocation. We had 1 case of recurrence and 2 cases of loss of intraoperative reduction. Conclusion: arthroscopic technique for acute AC joint dislocations with the use of the TightRope® device is minimally invasive and it allows an anatomic restoration of the joint. It is a safe and effective procedure ensuring stable AC joint reconstruction and good cosmetic results. PMID:25767774

  11. Arthroscopic repair of type II SLAP lesions: Clinical and anatomic follow-up

    Directory of Open Access Journals (Sweden)

    John N Trantalis

    2015-01-01

    Full Text Available Aims: The aim was to evaluate the clinical and anatomic outcome of arthroscopic repair of type II SLAP lesions. Materials and Methods: The senior author performed isolated repairs of 25 type II SLAP lesions in 25 patients with a mean age of 40.0 ± 12 years. All tears were repaired using standard arthroscopic suture anchor repair to bone. All patients were reviewed using a standardized clinical examination by a blinded, independent observer, and using several shoulder outcome measures. Patients were evaluated by magnetic resonance imaging arthrogram at a minimum of 1-year postoperatively. Statistical Analysis Used: Two-tailed paired t-test were used to determine significant differences in preoperative and postoperative clinical outcomes scores. In addition, a Fisher′s exact test was used. Results: At a mean follow-up of 54-month, the mean American Shoulder and Elbow Surgeons Shoulder Index (ASES scores improved from 52.1 preoperatively to 86.1 postoperatively (P < 0.0001 and the Simple Shoulder Test (SST scores from 7.7 to 10.6 (P < 0.0002. Twenty-two out of the 25 patients (88% stated that they would have surgery again. Of the 21 patients who had postoperative magnetic resonance imaging arthrographys (MRAs, 9 patients (43% demonstrated dye tracking between the labrum bone interface suggestive of a recurrent tear and 12 patients (57% had a completely intact repair. There was no significant difference in ASES, SST, and patient satisfaction scores in patients with recurrent or intact repairs. Conclusions: Arthroscopic repair of type II SLAP lesions demonstrated improvements in clinical outcomes. However, MRA imaging demonstrated 43% of patients with recurrent tears. MRA results do not necessarily correlate with clinical outcome.

  12. EVALUATION OF RESULTS OF ARTHROSCOPIC BANKART REPAIR FOR POST TRAUMATIC ANTERIOR SHOULDER INSTABILITY

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    Mainak

    2015-08-01

    Full Text Available BACKGROUND: The study was to evaluate the surgical outcomes of arthroscopic repair of post - traumatic Bankart lesions with the use of suture anchors. Patients with >20% bony lesions, SLAP ( superior labral tear from anterior to posterior lesions and multi - directional instability were excluded. The patients were followed up for a period of minimum 4 years. MATERIALS AND ME THODS: We evaluated the results of arthroscopic Bankart repair with use of suture anchors in 35 patients with traumatic recurrent anterior instability of the shoulder. The mean age at operation was 25.71 years. The patients were evaluated pre - operatively a nd at follow - up using the UCLA (University of California Los Angeles shoulder scoring system and the modified Rowe scores, which were 6.2 and 29.3 respectively pre - operatively. RESULTS: The UCLA shoulder scoring system and the modified Rowe scores at foll ow - up were 32 and 72.57 respectively and both improvements were significant. The Modified Rowe Shoulder Scoring System showed 14 patients having excellent results, 12 patients good, 6 patients fair and 3 patients with poor results. One patient had subluxat ion and another had positive apprehension test. Five patients had discomfort/pain with arm in abducted and externally rotated position but negative apprehension test. Remaining 28 patients had negative apprehension test; no subluxation. Significant improve ments occurred for each motion tested for each follow up visit. CONCLUSION: We conclude that arthroscopic Bankart lesion repair with suture anchors is an effective surgical technique for the treatment of an isolated Bankart lesion having good results with respect to pain relief, stability and function.

  13. A comparison of magnetic resonance arthrography and arthroscopic findings in the assessment of anterior shoulder dislocations

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    Jordan, R.W.; Naeem, R.; Srinivas, K.; Shyamalan, G. [Birmingham Heartlands Hospital, Birmingham (United Kingdom)

    2015-05-01

    The aim of this study is to establish the sensitivity and specificity of MRA in the investigation of patients with traumatic anterior shoulder dislocations. A retrospective analysis of consecutive patients undergoing both magnetic resonance arthrography and arthroscopic assessment after a traumatic anterior shoulder dislocation between January 2011 and 2014 was performed. Demographic data were collected from electronic records. Images were interpreted by 8 musculoskeletal radiologists and patients were treated by 8 consultant orthopaedic surgeons. Arthroscopic findings were obtained from surgical notes and these findings were used as a reference for MRA. The sensitivity, specificity, and positive predictive value were calculated for the different injuries. Sixty-nine patients underwent both an MRA and shoulder arthroscopy during the study period; however, clinical notes were unavailable in 9 patients. Fifty-three patients (88 %) were male, the mean age was 28 years (range 18 to 50) and 16 subjects (27 %) had suffered a primary dislocation. The overall sensitivity and specificity of MRA to all associated injuries was 0.9 (CI 0.83-0.95) and 0.94 (CI 0.9-0.96) retrospectively. The lowest sensitivity was seen in osseous Bankart 0.8 (CI 0.44-0.96) and superior labral tear (SLAP) lesions 0.5 (CI 0.14-0.86). The overall positive predictive value was 0.88 (CI 0.76-0.91) with the lowest values found in rotator cuff 0.4 (CI 0.07-0.83) and glenohumeral ligament (GHL) lesions 0.29 (CI 0.05-0.7). Magnetic resonance angiography has a high sensitivity when used to identify associated injuries in shoulder dislocation, although in 8 patients (13 %) arthroscopy identified an additional injury. The overall agreement between MRA and arthroscopic findings was good, but the identification of GHL and rotator cuff injuries was poor. (orig.)

  14. Signs of knee osteoarthritis common in 620 patients undergoing arthroscopic surgery for meniscal tear

    DEFF Research Database (Denmark)

    Pihl, Kenneth; Englund, Martin; Lohmander, L Stefan

    2017-01-01

    Background and purpose - Recent evidence has questioned the effect of arthroscopic knee surgery for middle-aged and older patients with degenerative meniscal tears with or without concomitant radiographic knee osteoarthritis (OA). We investigated the prevalence of early or more established knee OA......-77) years, 57% men) with full datasets available were included in the present study. Prior to surgery, patients completed questionnaires regarding onset of symptoms, duration of symptoms, and mechanical symptoms along with the knee injury and osteoarthritis outcome score (KOOS). At arthroscopy...

  15. Return to Sports After Arthroscopic Treatment of Rotator Cuff Calcifications in Athletes

    Science.gov (United States)

    Ranalletta, Maximiliano; Rossi, Luciano A.; Sirio, Adrian; Bruchmann, Guillermina; Maignon, Gastón D.; Bongiovanni, Santiago L.

    2016-01-01

    Background: Arthroscopic treatment of calcific deposits of rotator cuff tears has been described with successful results in the general population. However, despite the high frequency of this condition, there is no information in the literature regarding arthroscopic treatment of rotator cuff calcifications in athletes. Purpose: To analyze the time to return to sport, clinical outcomes, and complications of complete arthroscopic removal of intratendinous calcific deposits and repair of the tendon lesion without acromioplasty in athletes. Study Design: Case series; Level of evidence, 4. Methods: This study retrospectively evaluated 24 consecutive patients with a mean age of 36.2 years. The mean follow-up was 59 months (range, 24-108 months). Patients completed a questionnaire focused on the time to return to sport and treatment course. Pre- and postoperative functional assessment was performed using the Constant score and University of California Los Angeles (UCLA) score. Pain was assessed by visual analog scale (VAS). Radiographs and magnetic resonance imaging (MRI) were performed to evaluate the recurrence of calcifications and the indemnity of the supraspinatus tendon repair. Results: Of the 24 patients, 23 (95.8%) were able to return to sports; 91.3% returned to the same level. The mean time to return to play was 5.3 months (range, 3-9 months): 26% of patients (6/23) returned to sports in less than 4 months, 61% (14/24) returned between 4 and 6 months, and 13% (3/24) returned after the sixth month. The mean Constant score increased from 26.9 preoperatively to 89.7 postoperatively (P tendon tears. Conclusion: In athletes with calcifying tendinitis of the supraspinatus tendon with failed nonoperative treatment, complete arthroscopic removal of calcific deposits and tendon repair without acromioplasty results in significant pain relief and improvement in functional outcomes. Most patients return to the same level of proficiency regardless of the type of sport and

  16. Arthroscopic surgical treatment of pigmented villonodular synovitis of the elbow: case report

    Directory of Open Access Journals (Sweden)

    Marlon Araujo Ramos

    2016-08-01

    Full Text Available ABSTRACT This case concerns a male patient complaining of pain and discomfort in his right elbow, associated with decreased range of motion. Elbow radiography showed an osteolytic lesion in the metaphyseal region of the distal humerus and magnetic resonance imaging showed intra-articular tumor formation with swelling that suggested pigmented villonodular synovitis. Arthroscopic treatment was performed in order to obtain a synovial biopsy and then to carry out total synovectomy. Anatomopathological examination confirmed the diagnosis. The patient presented excellent progress through the physiotherapeutic rehabilitation proposed and continued to be asymptomatic 12 months after the operation.

  17. Arthroscopic and computer-assisted high tibial osteotomy using standard total knee arthroplasty navigation software.

    Science.gov (United States)

    Thompson, Stephen R; Zabtia, Nazar; Weening, Bradley; Zalzal, Paul

    2013-05-01

    Opening-wedge high tibial osteotomy is an increasingly performed procedure for treatment of varus gonarthrosis and correction of malalignment during meniscal transplantation or cartilage restoration. Precise preoperative planning and meticulous surgical technique are required to achieve an appropriate mechanical axis correction. We describe our technique of arthroscopic and computer-assisted high tibial osteotomy using commonly available total knee arthroplasty navigation software as an intraoperative goniometer. We believe that our technique, by providing intraoperative real-time guidance of the degree of correction that is accurate and reliable, represents a useful tool for the surgeon who uncommonly performs high tibial osteotomy.

  18. Adductor canal blockade for moderate to severe pain after arthroscopic knee surgery

    DEFF Research Database (Denmark)

    Espelund, M; Grevstad, U; Jaeger, P

    2014-01-01

    BACKGROUND: The analgesic effect of the adductor canal block (ACB) after knee surgery has been evaluated in a number of trials. We hypothesized that the ACB would provide substantial pain relief to patients responding with moderate to severe pain after arthroscopic knee surgery. METHODS: Fifty...... with the opposite study medication, according to randomization. Primary outcome was pain during 45 degrees active flexion of the knee at 45 min after the first block, assessed on a 0-100 mm visual analogue scale. Secondary outcome measures were: pain at rest and during flexion of the knee, worst pain experienced...

  19. Does the Age of a Patient Affect the Outcome of Temporomandibular Joint Arthroscopic Surgery?

    Science.gov (United States)

    Cho, Jungsuk; Israel, Howard

    2017-06-01

    Although temporomandibular joint (TMJ) disorders encompass all age groups, it is generally considered to affect young to middle-age adults. The aim of this investigation was to study patients who met the criteria for TMJ arthroscopy and to determine whether there was a difference in outcomes between younger and older patients. This was a retrospective chart review of patients who underwent TMJ operative arthroscopy. The primary variable studied was patient age. Major outcome variables included changes in subjective pain measured by a visual analog scale (VAS) and changes in maximum interincisal opening (MIO) after arthroscopic surgery. Other variables of interest included the presence of systemic disease, synovitis, and osteoarthritis diagnosed arthroscopically. Data analysis included the Student t test, regression analysis (R Studio, Boston, MA), and χ(2) test with a P value less than .05 indicating statistical significance. The study population consisted of 103 patients diagnosed with internal derangement and severe inflammatory or degenerative TMJ disease (Wilkes stages II to V) who underwent operative arthroscopy. Patients were divided into 2 groups based on age (group Y, 40 yr old, n = 52, mean age, 56 yr). The presence of osteoarthritis diagnosed arthroscopically was significantly greater in group O than in group Y (P < .01). There was significant postoperative improvement in pain (VAS) and MIO in group Y (P < .01) and group O (P < .01). Although the 2 groups showed substantial improvement after arthroscopy, when comparing differences in outcomes between the groups, the absolute postoperative pain level for group O was significantly lower than for group Y (P < .05). Comparison of postoperative MIO did not show a significant difference between group Y and group O (P = .286). Groups Y and O showed substantial improvement in pain (VAS) and mandibular mobility (MIO) after surgical TMJ arthroscopy. Group O had a higher prevalence of arthroscopically diagnosed

  20. Arthroscopic T-capsulotomy for excision of pigmented villonodular synovitis in the hip.

    Science.gov (United States)

    McCormick, Frank; Alpaugh, Kyle; Haughom, Bryan; Nho, Shane

    2015-04-01

    Pigmented villonodular synovitis (PVNS) is a benign synovial tumor of unknown etiology with a predilection for the large joints of the appendicular skeleton. The poor prognosis for patients with hip disease is partially imparted by current surgical techniques. Recent advances in hip arthroscopy technique and instrumentation may enable arthroscopic treatment for PVNS in the hip. The authors report the first case where hip arthroscopy was used to surgically excise a biopsy-confirmed local PVNS lesion in the hip. Using selected capsular releases and accessory portals, the authors achieved adequate visualization and instrument mobilization to successfully excise the entire PVNS tumor with no identifiable complications. Copyright 2015, SLACK Incorporated.

  1. The open latarjet procedure is more reliable in terms of shoulder stability than arthroscopic bankart repair.

    Science.gov (United States)

    Bessière, Charles; Trojani, Christophe; Carles, Michel; Mehta, Saurabh S; Boileau, Pascal

    2014-08-01

    Arthroscopic Bankart repair and open Latarjet bone block procedure are widely considered mainstays for surgical treatment of recurrent anterior shoulder instability. The choice between these procedures depends mainly on surgeon preference or training rather than published evidence. We compared patients with recurrent posttraumatic anterior shoulder instability treated with arthroscopic Bankart or open Latarjet procedure in terms of (1) frequency and timing of recurrent instability, (2) risk factors for recurrent instability, and (3) patient-reported outcomes. In this retrospective comparative study, we paired 93 patients undergoing open Latarjet procedures with 93 patients undergoing arthroscopic Bankart repairs over the same period for posttraumatic anterior shoulder instability by one of four surgeons at the same center. Both groups were comparable except that patients in the Latarjet group had more glenoid lesions and more instability episodes preoperatively. Minimum followup was 4 years (mean, 6 years; range, 4-10 years). Patients were assessed with a questionnaire, including stability, Rowe score, and return to sports. Recurrent instability was defined as at least one episode of recurrent dislocation or subluxation. Return to sports was evaluated using a 0% to 100% scale that patients completed after recovery from surgery. Various risk factors for recurrent instability were also analyzed. At latest followup, 10% (nine of 93) in the Latarjet group and 22% (20 of 93) in the Bankart group demonstrated recurrent instability (p = 0.026; odds ratio, 0.39; 95% CI, 0.17-0.91). Ten recurrences in the Bankart group (50%) occurred after 2 years, compared to only one (11%) in the Latarjet group. Reoperation rate was 6% and 7% in the Bankart and Latarjet groups, respectively. In both groups, patients younger than 20 years had higher recurrence risk (p = 0.019). In the Bankart group, independent factors predictive for recurrence were practice of competitive sports and

  2. Arthroscopic subtalar arthrodesis after a calcaneus fracture covered with a forearm flap.

    Science.gov (United States)

    Michels, Frederick; Stockmans, Filip; Guillo, Stéphane; Van Der Bauwhede, Jan; Oosterlinck, Dirk

    2011-01-01

    Surgical treatment of intraarticular calcaneal fractures is often associated with postoperative wound problems. Soft tissue necrosis, bone loss and uncontrollable infection are a challenge for the surgeon and amputation may in some cases be the ultimate solution. A free flap can be very helpful to cover a significant soft tissue defect and help in fighting the infection. However, the free flap complicates the surgical approach if subtalar arthrodesis and bone reconstruction are needed. This study demonstrates the value of an arthroscopic technique to resect the remaining articular cartilage in preparation for subtalar arthrodesis and bone grafting. This approach avoids compromising the soft tissues and minimizes damage to the free flap.

  3. Arthroscopic Subtalar Arthrodesis after a Calcaneus Fracture Covered with a Forearm Flap

    Directory of Open Access Journals (Sweden)

    Frederick Michels

    2011-01-01

    Full Text Available Surgical treatment of intraarticular calcaneal fractures is often associated with postoperative wound problems. Soft tissue necrosis, bone loss and uncontrollable infection are a challenge for the surgeon and amputation may in some cases be the ultimate solution. A free flap can be very helpful to cover a significant soft tissue defect and help in fighting the infection. However, the free flap complicates the surgical approach if subtalar arthrodesis and bone reconstruction are needed. This study demonstrates the value of an arthroscopic technique to resect the remaining articular cartilage in preparation for subtalar arthrodesis and bone grafting. This approach avoids compromising the soft tissues and minimizes damage to the free flap.

  4. Results of labral-level arthroscopic iliopsoas tenotomies for the treatment of labral impingement.

    Science.gov (United States)

    Nelson, Ian R; Keene, James S

    2014-06-01

    To document the clinical results of arthroscopic iliopsoas tenotomies performed at the level of the labrum to treat labral injuries caused by iliopsoas impingement. From a review of the database of the senior author (J.S.K.) of 300 hip arthroscopies that were performed between September 2009 and May 2011, 30 patients who had an arthroscopic release of the iliopsoas tendon at the level of the labrum and at least 2 years' follow-up were identified. In all cases the release was performed to treat a tight psoas tendon that was found at arthroscopy to be impinging on a torn or inflamed labrum. The results of hip arthroscopy in these patients were assessed with Byrd's 100-point modified Harris Hip Score system before arthroscopy and at 3, 6, 12, and 24 months after surgery. The mean age of the 30 patients was 35 years, and their preoperative scores averaged 43 points. After surgery, the patients had 6-month scores that averaged 73 points and 12-month scores that averaged 84 points (range, 40 to 100 points). Over the first postoperative year, in 3 of the 5 patients whose preoperative ultrasound imaging showed snapping of the tendon, recurrent painful snapping developed in the hip. All 3 had iliopsoas bursa injections and had immediate relief of their hip pain. In 2 patients the relief was temporary and an arthroscopic release of the tendon at the lesser trochanter was performed. The 2-year scores of the remaining 28 patients who did not have a second iliopsoas tenotomy averaged 88 points, and 23 of these patients had good or excellent results (scores ≥80 points). An arthroscopic release of the iliopsoas tendon at the level of the labrum was effective for alleviating hip pain from labral lesions caused by impingement of the tendon in 23 of 30 patients (77%). The remaining 7 patients had persistent hip pain and hip scores lower than 80 points because of recurrent snapping of the tendon (3), development of avascular necrosis (1), progression of degenerative joint disease

  5. Comminuted fracture of the accessory carpal bone removed via an arthroscopic-assisted arthrotomy.

    Science.gov (United States)

    Bonilla, Alvaro G; Santschi, Elizabeth M

    2015-02-01

    A 16-year-old American paint horse gelding was presented for evaluation of a left forelimb lameness grade III/V. Radiographs and computed tomography revealed a comminuted fracture of the accessory carpal bone involving the entire articulation with the distal radius and the proximal aspect of the articulation with the ulnar carpal bone. Multiple fragments were present in the palmar pouch of the antebrachiocarpal joint. An arthroscopic-assisted open approach was necessary to remove all fractured fragments. Subsequently the horse was re-admitted for lameness and was treated successfully with antibiotics and long-term supportive bandaging.

  6. Arthroscopic treatment of patients with moderate arthrofibrosis after total knee replacement.

    Science.gov (United States)

    Jerosch, Joerg; Aldawoudy, Akram M

    2007-01-01

    The purpose of this study was to document the effect of arthroscopic management in patients with knee stiffness after total knee replacement. We present a case series study, in which 32 patients have been treated for moderate arthrofibrosis of the knee after total knee replacement, with the same regimen. We have excluded all cases of stiffness, because of infection, mechanical mal-alignment, loosening of the implants and other obvious reasons of stiffness of the knee, rather than pure arthrofibrosis. All patients first underwent a trial of conservative treatment before going for arthroscopic management. A pain catheter for femoral nerve block was inserted just before anesthesia for post-operative pain management. Arthroscopic arthrolysis of the intra-articular pathology was performed in a standardized technique with release of all fibrous bands in the suprapatellar pouch, reestablishing the medial and lateral gutter, release of the patella, resection of the remaining meniscal tissue or an anterior cyclops, if needed. Intensive physiotherapy and continuous passive motion were to start immediately post-operatively. All the patients were available for the follow up and they were evaluated using the knee society rating system. A total of 25 of the 32 procedures resulted in an improvement of the patients knee score. All the knees operated upon had intra-articular fibrous bands, hypertrophic synovitis and peri-patellar adhesions. A total of eight patients suffered from an anterior cyclops lesion and six patients showed pseudomenicus. In 19 cases a medial and lateral relapse of the patella was performed; only 5 patients got an isolated lateral release. The mean knee flexion was 119 degrees (100-130) at the end of arthroscopy and was 97 degrees (75-115) at the last follow up. The eight patients with extension lags decreased from 27 degrees (10 degrees-35 degrees) pre-operatively to 4 degrees (0-10) at time of follow up. The average knee society ratings increased from 70

  7. Evaluation Of Range Of Motion After Arthroscopic Arthroloysis In Postoperative Arthrofibrosis Of The Knee

    Directory of Open Access Journals (Sweden)

    Moghtader Azadi G

    2003-07-01

    Full Text Available Arthrofibrosis continue to be a difficult complication of operative procedures of trauma about the knee. We present our experience in 8 cases of arthroscopic Arthrolysis between 1997 and 2001. in 3 Cases the etiology was prior Knee ligament surgery and 5 cases had sustained fractures about the knee. Technique begins with the liberation of the adhesions of suprapatellar Pouch, continues down both gutters , and ends with a cleaning of the notch where necessary. The result obtained are very satisfactory, with an average increase in the arc of mobility of 61 degrees."n 

  8. Complications following arthroscopic fixation of acromioclavicular separations: a systematic review of the literature

    Directory of Open Access Journals (Sweden)

    Woodmass JM

    2015-04-01

    Full Text Available Jarret M Woodmass,1 John G Esposito,1 Yohei Ono,1,2 Atiba A Nelson,1 Richard S Boorman,1 Gail M Thornton,1,3 Ian KY Lo1 1Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada; 2Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan; 3Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada Purpose: Over the past decade, a number of arthroscopic or arthroscopically assisted reconstruction techniques have emerged for the management of acromioclavicular (AC separations. These techniques provide the advantage of superior visualization of the base of the coracoid, less soft tissue dissection, and smaller incisions. While these techniques have been reported to provide excellent functional results with minimal complications, discrepancies exist within the literature. This systematic review aims to assess the rate of complications following these procedures. Methods: Two independent reviewers completed a search of Medline, Embase, PubMed, and the Cochrane Library entries up to December 2013. The terms “Acromioclavicular Joint (MeSH” OR “acromioclavicular* (text” OR “coracoclavicular* (text” AND “Arthroscopy (MeSH” OR “Arthroscop* (text” were used. Pooled estimates and 95% confidence intervals were calculated assuming a random-effects model. Statistical heterogeneity was quantified using the I2 statistic. Level of evidence: IV Results: A total of 972 abstracts met the search criteria. After removal of duplicates and assessment of inclusion/exclusion criteria, 12 articles were selected for data extraction. The rate of superficial infection was 3.8% and residual shoulder/AC pain or hardware irritation occurred at a rate of 26.7%. The rate of coracoid/clavicle fracture was 5.3% and occurred most commonly with techniques utilizing bony tunnels. Loss of AC joint reduction occurred in 26

  9. Torn discoid lateral meniscus treated with arthroscopic meniscectomy: observations in 62 knees

    Institute of Scientific and Technical Information of China (English)

    LU Ying; LI Qiang; HAO Jie

    2007-01-01

    Background Discoid lateral meniscus of the knee is common in Chinese population. There has been considerable debate about the best treatment for discoid lateral meniscus tears. The purpose of this study was to observe the effect of arthroscopic meniscectomy for the treatment of discoid lateral meniscus tears.Methods Between July 1999 and December 2004, arthroscopic meniscectomy was performed on 62 menisci of 57 patients with discoid lateral meniscus tears (52 unilateral, 5 bilateral). 41 menisci were "complete discoid meniscus", 21 "incomplete". According to the extent of the meniscus tears, partial meniscectomy was performed on 52 knees, total meniscectomy on 7 knees, and partial meniscectomy combined with meniscus suture on 3 knees through an arthroscope.After the operations, early rehabilitation training programs, including straight-leg-raising and range-of-motion exercises,were carried out. 51 patients were followed up for 1 year 2 months to 6 years 5 months (mean, 3 years 3 months), 6 patients were lost. Lysholm-Ⅱ scoring system was used to assess the function of the knee joints before the operation and during the follow-up.Results The operations on all the 62 knees were successful without complications. The patients could walk normally after completing the 2-week postoperation rehabilitation program. After 3-4 weeks they could lead a normal life and participate in a moderate amount of sports or other physical activities. The mean Lysholm-Ⅱ score was 89 (60-100)during the follow-up, which was significantly higher than that before the operation (50, range 34-74; P<0.01). 88% of the patients achieved excellent or good clinical results.Conclusions Arthroscopic meniscectomy is an alternative for treatment of discoid lateral meniscus tears with minimal traumatic effects. It can achieve early mobilization and a low complication rate, as well as the preservation of the meniscus structure and functions to the largest extent. In combination with proper

  10. Arthroscopic Excision of Juxta-articular Osteoid Osteoma of the Calcaneum

    Science.gov (United States)

    Tauheed, Mohammed; Korula, Ravi Jacob; Shankarnarayanan, Sriram

    2016-01-01

    Osteoid osteoma of the foot is a rare condition particularly of the calcaneum. This condition is difficult to diagnose and is more difficult to treat particularly if it involves deeper part of the joints. We present an arthroscopic technique to deal with a case of juxta-articular osteoid osteoma of the calcaneum using two portals: the anterolateral portal for instrumentation and the anterior anterolateral portal for visualization of the subtalar joint. Because this approach is minimally invasive, it offers early recovery and reduced morbidity compared with the conventional techniques. PMID:27073769

  11. Comparing the efficacy of intra-articular application of morphine and tramadol on postoperative pain after arthroscopic knee surgery.

    Science.gov (United States)

    Jazayeri, Seyed Mohammad; Mosaffa, Faramarz; Abbasian, Mohammadreza; Hosseinzadeh, Hamid Reza

    2012-01-01

    Intra-articular analgesia is a pain reliever that is frequently administered following arthroscopic knee surgery. The purpose of this study was to compare the efficacy of intra-articular application of morphine and tramadol on postoperative pain after arthroscopic knee surgery. For this randomized double blinded clinical trial, 132 patients undergoing minor arthroscopic knee surgery were randomly assigned to receive either; 5 mg morphine or 50 mg tramadol intra-articularly. Pain was evaluated by means of the verbal pain rating score (VRS) preoperatively (at rest and on movement of the knee joint) and postoperatively at 0, 1, 2, 3, 4, 6, 12 and 24 hours. Meanwhile, the time of the first analgesic request and need for supplemental analgesic were also recorded. There was no statistically significant difference in VRS scoring between the two groups during the preoperative period either at rest or on knee movement. Meanwhile, VRS scores did not differ significantly between the morphine and tramadol treated groups postoperatively, except for in the one-hour post-operative scores in which the tramadol-treated group experienced less pain (P tramadol prescribed subjects (P intra-articularly administered morphine and tramadol following minor arthroscopic knee surgeries with a maximum effect 6 hours post injection.

  12. A Randomized Controlled Pilot Study of Educational Techniques in Teaching Basic Arthroscopic Skills in a Low-Income Country

    Directory of Open Access Journals (Sweden)

    Abhiram R. Bhashyam

    2017-03-01

    Conclusion: We describe a protocol to introduce basic arthroscopic skills in a low-income country using a low-resource intensive teaching method. However, this method of learning may not be optimal given the failure to improve in all outcome measures.

  13. Arthroscopic Latarjet and Capsular Shift (ALCS) procedure: a new "freehand" technique for anterior shoulder instability associated with significant bone defects.

    Science.gov (United States)

    Bhatia, Deepak N

    2015-03-01

    Anterior shoulder instability associated with significant bone loss has been described as "bony-instability," and this condition is usually treated with an anterior glenoid bone grafting procedure (Latarjet procedure). The Latarjet procedure involves transfer of the horizontal limb of the coracoid process along with the conjoint tendon to the anterior glenoid rim, and is traditionally performed as an open surgical procedure. Recently, an arthroscopic technique for the Latarjet procedure has been described; the technique necessitates the use of specialized instrumentation and involves excision of the entire anterior capsule to facilitate coracoid fixation. We describe a new "freehand" arthroscopic technique for the Latarjet procedure, and, in addition, a simultaneous capsular shift to further optimize mid and end range stability. This technique eliminates the use of additional instrumentation and can be done using routine arthroscopic instruments. Preliminary experience with this technique suggests that the arthroscopic Latarjet and capsular shift is a technically demanding procedure. Glenohumeral capsule can be preserved, and this should be attempted wherever possible to optimize stability. Additional specialized instrumentation would probably reduce surgical time; however, the procedure can be performed with routine instruments.

  14. Arthroscopic airbrush assisted cell implantation for cartilage repair in the knee: a controlled laboratory and human cadaveric study

    NARCIS (Netherlands)

    Windt, de T.S.; Vonk, L.A.; Buskermolen, J.K.; Visser, J.; Karperien, H.B.J.; Bleys, R.L.A.W.; Dhert, W.J.A.; Saris, D.B.F.

    2015-01-01

    Summary Objective The objective of this study was to investigate the feasibility of arthroscopic airbrush assisted cartilage repair. Methods An airbrush device (Baxter) was used to spray both human expanded osteoarthritic chondrocytes and choncrocytes with their pericellular matrix (chondrons) at 1

  15. Arthroscopic airbrush assisted cell implantation for cartilage repair in the knee : a controlled laboratory and human cadaveric study

    NARCIS (Netherlands)

    de Windt, T S; Vonk, L A; Buskermolen, J K; Visser, J.; Karperien, M; Bleys, R L A W; Dhert, W J A; Saris, D B F

    2015-01-01

    OBJECTIVE: The objective of this study was to investigate the feasibility of arthroscopic airbrush assisted cartilage repair. METHODS: An airbrush device (Baxter) was used to spray both human expanded osteoarthritic chondrocytes and choncrocytes with their pericellular matrix (chondrons) at 1 × 10(6

  16. Arthroscopic airbrush assisted cell implantation for cartilage repair in the knee : A controlled laboratory and human cadaveric study

    NARCIS (Netherlands)

    de Windt, T. S.; Vonk, L. A.; Buskermolen, J. K.; Visser, J.; Karperien, M.; Bleys, R. L A W; Dhert, W. J A; Saris, D. B F

    2015-01-01

    Objective: The objective of this study was to investigate the feasibility of arthroscopic airbrush assisted cartilage repair. Methods: An airbrush device (Baxter) was used to spray both human expanded osteoarthritic chondrocytes and choncrocytes with their pericellular matrix (chondrons) at 1×106cel

  17. Are the good functional results from arthroscopic repair of massive rotator cuff injuries maintained over the long term?

    Directory of Open Access Journals (Sweden)

    Alberto Naoki Miyazaki

    2016-02-01

    Full Text Available ABSTRACT OBJECTIVE: To evaluate whether the good and excellent functional results from arthroscopic repair of massive rotator cuff tears are maintained over the long term. METHODS: From the sample of the study conducted by our group in 2006, in which we evaluated the functional results from arthroscopic repair of massive rotator cuff tears, 35 patients were reassessed, 8 years after the first evaluation. The inclusion criteria were that these patients with massive rotator cuff tears operated by means of an arthroscopic technique, who participated in the previous study and achieved good or excellent outcomes according to the UCLA criteria. Patients whose results were not good or excellent in the first evaluation according to the UCLA criteria were excluded. RESULTS: Among the 35 patients reassessed, 91% of them continued to present good and excellent results (40% excellent and 51% good, while 3% presented fair results and 6% poor results. The time interval between the first and second evaluations was 8 years and the minimum length of follow-up since the immediate postoperative period was 9 years (range: 9-17 years, with an average of 11.4 years. CONCLUSION: The good and excellent results from arthroscopic repair of massive rotator cuff tears were mostly maintained (91%, with the same level of function and satisfaction, even though 8 years had passed since the first assessment, with a follow-up period averaging 11.4 years.

  18. Intra-articular versus intravenous magnesium-sulfate as adjuvant to femoral nerve block in arthroscopic knee sur

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    Mohamed Abdulatif

    2015-07-01

    Conclusion: The combined use of femoral nerve block with IA or IV MgSO4 is associated with significant reduction of the intensity and duration of postoperative pain and postoperative analgesic requirements in patients undergoing arthroscopic knee surgery with the IA MgSO4 being superior to IV route of administration.

  19. Rare coexistence of gouty and septic arthritis after arthroscopic rotator cuff repair: a case report.

    Science.gov (United States)

    Ichiseki, Toru; Ueda, Shusuke; Matsumoto, Tadami

    2015-01-01

    Coexistence of septic arthritis and gouty arthritis is rare. In particular, no reports have described the development of both gouty and septic arthritis after arthroscopic shoulder surgery. The patient was an 83-year-old man who underwent arthroscopic rotator cuff repair. He had a history of diabetes mellitus (HbA1c: 7.4%), but not of gout, and the GFR was decreased (GFR=46). During the postoperative course fever suddenly developed and joint fluid retention was found. Uric acid crystals were detected when the joint fluid was aspirated, after which when the culture results became available sepsis due to methicillin sensitive Staphylococcus aureus (MSSA) was diagnosed. On the 2(nd) day after fever onset, lavage and debridement were performed under arthroscopy, with the subsequent course uneventful with no recurrence of the infection or gouty arthritis and no joint destruction. When uric acid crystals are found in aspirated joint fluid, gouty arthritis tends to be diagnosed, but like in the present case if infection also supervenes, joint destruction and a poor general state may result if appropriate intervention is not initiated swiftly. Accordingly, even if uric acid crystals are found, the possibility of coexistence of septic arthritis and gouty arthritis should be kept in mind.

  20. Time Interval between Trauma and Arthroscopic Meniscal Repair Has No Influence on Clinical Survival.

    Science.gov (United States)

    van der Wal, Robert J P; Thomassen, Bregje J W; Swen, Jan-Willem A; van Arkel, Ewoud R A

    2016-07-01

    Arthroscopic meniscal repair is the gold standard for longitudinal peripheral meniscal tears. The time interval between trauma and meniscal repair remains controversial. The aim of this study was to evaluate failure rates and clinical outcome of arthroscopic meniscal repair in relation to chronicity of injury. A total of 238 meniscal repairs were performed in 234 patients. Anterior cruciate ligament (ACL) was reconstructed in almost all ACL-deficient knees (130 out of 133). Time interval between injury and repair was divided into acute ( 2 to  12 weeks). Patients completed postal questionnaires to evaluate clinical outcome and failure rates. Study instruments included Lysholm, Knee injury and Osteoarthritis Outcome Score (KOOS), and Tegner scoring systems. At a median follow-up of 41 months (interquartile range [IQR], 34-53 months) 55 medial and 10 lateral meniscal repairs failed (overall failure rate, 27%). There was a significant higher failure rate for medial meniscal repair (p meniscal repair has no influence on the failure rate. Differences in survival rate of meniscal repair are more dependent on location of the lesion and ACL status, rather than chronicity of injury.

  1. Septic arthritis with Staphylococcus lugdunensis following arthroscopic ACL revision with BPTB allograft.

    Science.gov (United States)

    Mei-Dan, Omer; Mann, Gideon; Steinbacher, Gilbert; Ballester, Soleda J; Cugat, Ramon Bertomeu; Alvarez, Pedro Diaz

    2008-01-01

    Septic arthritis following anterior cruciate ligament reconstruction is an uncommon but a serious complication resulting in six times greater hospital costs than that of uncomplicated ACL surgery and an inferior postoperative activity level. Promptly initiating a specific antibiotic therapy is the most critical treatment, followed by open or arthroscopic joint decompression, debridement and lavage. Staphylococcus lugdunensis is a coagulase-negative staphylococcus predominantly infecting the skin and soft tissue. The few reported cases of bone and joint infections by S. lugdunensis indicate that the clinical manifestations were severe, the diagnosis elusive, and the treatment difficult. If the microbiology laboratory does not use the tube coagulase (long) test to confirm the slide coagulase test result, the organism might be misidentified as Staphylococcus aureus. S. lugdunensis is more virulent than other coagulase-negative staphylococcus; in many clinical situations it behaves like S. aureus, further increasing the confusion and worsening the expected outcome. S. lugdunensis is known to cause infective endocarditis with a worse outcome, septicemia, deep tissue infection, vascular and joint prosthesis infection, osteomyelitis, discitis, breast abscess, urine tract infections, toxic shock and osteitis pubis. We present the first case report in the literature of septic arthritis with S. lugdunensis following arthroscopic ACL revision with bone-patellar-tendon-bone allograft.

  2. Massive bone loss from fungal infection after anterior cruciate ligament arthroscopic reconstruction.

    Science.gov (United States)

    Muscolo, D Luis; Carbo, Lisandro; Aponte-Tinao, Luis A; Ayerza, Miguel A; Makino, Arturo

    2009-09-01

    Although there are numerous reports of septic pyogenic arthritis after arthroscopic anterior cruciate ligament (ACL) reconstruction, there is limited information regarding the outcomes of fungal infection. We determined the outcomes of six patients with mycotic infection after regular ACL reconstruction. There were four males and two females with a mean age of 33 years. We determined the number of procedures performed, bone loss originating to control infection, and final reconstruction in these patients. An average of five arthroscopic lavage procedures had been performed at the referring centers. Fungal infection was diagnosed based on pathologic samples; five infections were the result of mucormycosis and one was Candida. After final débridement, the mean segmental bone loss was 12.8 cm. All patients were treated with intravenous antifungal coverage and cement spacers before final reconstruction. At final followup, all patients were free of clinical infection. Three had reconstruction with an allograft-prosthesis composite, two with hemicylindrical allografts, and one with an intercalary allograft arthrodesis. Despite the extremely unusual presentation of this complication, surgeons should be aware of potential and catastrophic consequences of this severe complication after ACL reconstruction.

  3. Intra-Articular Sufentanil Compared to Morphine for Pain Relief After Arthroscopic Knee Surgery

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    A P Kazemi

    2004-08-01

    Full Text Available Background: Prevention of postoperative pain by injecting opioid into the knee joint is believed to support the hypothesis of peripheral opioid receptor activation in inflammation. Main outcomes were reduction of pain intensity and need for supplementary analgesics. The aim of the present study was to evaluate the analgesic effects of intra-articular sufentanil in comparison with morphine, after arthreoscopic procedures of knee joint. Methods: In this prospective, double-blind study, 45 patients were randomized in three equal number groups to receive either sufentanil 5 µg (group s, morphine 3 mg (group M or normal saline 20 cc as placebo (group p, intra-articularly at the end of arthroscopic knee surgery, under general anesthesia, which was same in all three groups. Pain levels at rest were measured by Visual Analog Scale (VAS at intervals of 1,2,4,8,12,14 hours and during movement of knee at discharge time . Results: Significant difference between the groups (p<0.001 were found. Pain scores were statistically lower in the S and M groups in comparison with the P group, but intra-articular sufentanil was more effective than morphine. Conclusion: Intra-articular injection of morphine and sufentanil both reduce the post arthroscopic knee procedure’s pain and need for supplementary analgesics, but sufentanil, 5 µg is more effective than morphine (3 mg. Keywords: Postoperative analgesia, intra-articular opioids, sufentanil, Morphine, Knee arthroscopy.

  4. Technical guide and tips on the all-arthroscopic Latarjet procedure.

    Science.gov (United States)

    Rosso, Claudio; Bongiorno, Vito; Samitier, Gonzalo; Dumont, Guillaume D; Szöllösy, Gregor; Lafosse, Laurent

    2016-02-01

    Shoulder dislocation and subsequent anterior instability is a common problem in young athletes. The arthroscopic Bankart repair was originally described by Morgan et al. in 1987. The procedure has benefited from many technical advancements over the past 25 years and currently remains the most commonly utilized procedure in the treatment of anterior glenohumeral instability without glenoid bone loss. Capsulolabral repair alone may not be sufficient for treatment of patients with poor capsular tissue quality and significant bony defects. In the presence of chronic anterior glenoid bony defects, a bony reconstruction should be considered. The treatment of anterior shoulder instability with transfer of the coracoid and attached conjoint tendon such as the Latarjet procedure has provided reliable results. The arthroscopic Latarjet procedure was described in 2007 by the senior author, who has now performed the procedure over 450 times. The initial surgical technique has evolved considerably since its introduction, and this article presents a comprehensive update on this demanding but well-defined procedure. This article reviews technical tips to help the surgeon perform the surgery more smoothly, navigate through challenging situations, and avoid potential complications. Level of evidence V.

  5. Arthroscopic repair of peripheral avulsions of the triangular fibrocartilage complex of the wrist: a multicenter study.

    Science.gov (United States)

    Corso, S J; Savoie, F H; Geissler, W B; Whipple, T L; Jiminez, W; Jenkins, N

    1997-02-01

    A multicenter study to assess arthroscopic reconstruction of the peripheral attachment of the triangular fibrocartilage complex was undertaken. A total of 44 patients (45 wrists) from three institutions were reviewed. Twenty-seven of the 45 wrists had associated injuries, including distal radius fracture (4), partial or complete rupture of the scapholunate (7), lunotriquetral (9), ulnocarpal (2), or radiocarpal (2) ligaments. There were two fractured ulnar styloids and one scapholunate accelerated collapse (SLAC) wrist deformity. The peripheral tears were repaired using a zone-specific repair kit. The patients were immobilized in a munster cast, allowing elbow flexion and extension, but no pronation or supination for 4 weeks, followed by 2 to 4 weeks in a short arm cast or VersaWrist splint. All patients were reexamined independently 1 to 3 years postoperatively by a physician, therapist, and registered nurse. The results were graded according to the Mayo modified wrist score. Twenty-nine of the 45 wrists were rated excellent. 12 good, 1 fair, and 3 poor. Overall, 42 of the 45 patients (93%) rated as satisfactory and returned to sports or work activities. One patient had chronic pain, and two patients had ulnar nerve symptoms, although motion was normal in all, and their grip strength was at least 75% of the opposite hand. Arthroscopic repair of peripheral tears of the triangular fibrocartilage complex (TFCC) is a satisfactory method of repairing these injuries.

  6. MRI-Arthroscopic Correlation in Rotator Cuff Tendon Pathologies; A Comparison between Various Centers

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    Sepideh Sefidbakht

    2016-04-01

    Full Text Available Background: Magnetic resonance imaging (MRI has long been considered a perfect imaging study for evaluation of shoulder pathologies despite occasional discrepancies between MR reports and arthroscopic findings. In this study we aim to evaluate impact of imaging center as an indicator of image quality on accuracy of MRI reports in diagnosis of rotator cuff tendon pathologies. Methods: We reviewed MR reports of 64 patients who underwent arthroscopy in university center hospital. MRIs were done in various centers including both university-affiliated and out-centers. All studies were reported by two radiologists in consensus unaware of the arthroscopic results or previous reports. An inter-observer agreement analysis using the kappa statistics was performed to determine consistency among imaging and surgical reports. Results: Kappa values for out-centers were as follows: 0.785 for biceps, 0.469 for suscapularis, 0.846 for supraspinatus and 0.785 for infraspinatus tendons. In university centers values were 0.799 for biceps, 0.802 for suscapularis, 0.789 for supraspinatus and 0.770 for infraspinatus tendons. Conclusion: Image reporting in university centers with proficient sequences increased accuracy of diagnosis in 3/4 of evaluated features and showed subtle decreased inter-observer agreement in 1/4 of features. Uniformity of the scanners and protocols as well as evaluation on a workstation rather than hard copies cumulatively resulted in a meaningful increase in the accuracy of the same radiologists in diagnosis of rotator cuff tendon tear.

  7. Correlation Between Magnetic Resonance Imaging and Arthroscopic Findings in the Knee Joint

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    Ahmad Khan

    2015-01-01

    Full Text Available Background The knee joint is the largest and the most complex joint of the human body. It is not covered by any thick muscular covering anteriorly. Objectives The purpose of this study was to explore the diagnostic capabilities of clinical examination, magnetic resonance imaging (MRI, and arthroscopy in traumatic disorders of the knee joint, to seek correlation between clinical findings, MRI findings and arthroscopic. Patients and Methods A total of 26 patients with a presentation suggestive of traumatic knee pathology were studied prospectively. A detailed history was taken and relevant clinical examination was done, which was followed by MRI of the knee. The patients were scheduled for arthroscopy under general/spinal anesthesia, whenever indicated. Results Keeping arthroscopic examination as standard, the correlation between clinical and arthroscopy showed a sensitivity of 80%, specificity of 86%, accuracy of 63.16%, negative predictive value of 93.48%; whereas MRI vs. arthroscopy showed a sensitivity of 74.42%, specificity of 93.10%, accuracy of 84.21%, and negative predictive value of 88.04%. Conclusions The clinical examination is an important and accurate diagnostic modality for evaluation of traumatic derangement of the knee joint. It is noninvasive, easy, available, and valuable diagnostic modality. The MRI is an accurate diagnostic modality. It can be used whenever there is an uncertain indication for arthroscopy. However, costs have to be kept in mind, especially in patients with low socio-economic status.

  8. RELEVANCE OF ARTHROSCOPIC SYNOVIAL BIOPSY IN JOINT DISORDERS - A PROSPECTIVE STUDY

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    Kali Vara Prasad

    2015-10-01

    Full Text Available BACK GROUND : Synovial biopsy is considered as the gold standard in the diagnosis of various joint disorders and synovial diseases. But sometimes the definitive diagnosis is elusive only by doing biopsy then clinical, hematological and x - ray examinations will help. The advantage with arthroscopic synovial biopsy is that it is easy to perform, minimal discomfort to the patient and can be done at intervals if the diagnosis can n ot be made in the first examination. MATERIAL & METHODS : The present study was conducted in the Department of Orthopedics & Traumatology, Osmania General Hospital/ Medical College, Hyderabad. The duration of the study was from Sept 2012 to Sept 2014. CONCLUSIONS : Arthroscopic synovial biopsy is the mainstay in the management of Joint disorders and Synovial diseases. It is patient friendly and repeated procedures can be undertaken when the definitive diagnosis could not be established in the initial attempt, as is common in some cases of Non - specific synovitis, later being diagnosed either as Osteoarthritis or Rheumatoid Arthritis. This is the greatest advantage in using this procedure.

  9. The global percutaneous shuttling technique tip for arthroscopic rotator cuff repair

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    Bryan G. Vopat

    2014-05-01

    Full Text Available Most arthroscopic rotator cuff repairs utilize suture passing devices placed through arthro- scopic cannulas. These devices are limited by the size of the passing device where the suture is passed through the tendon. An alternative technique has been used in the senior author’s practice for the past ten years, where sutures are placed through the rotator cuff tendon using percutaneous passing devices. This technique, dubbed the global percutaneous shuttling technique of rotator cuff repair, affords the placement of sutures from nearly any angle and location in the shoulder, and has the potential advantage of larger suture bites through the tendon edge. These advantages may increase the area of tendon available to compress to the rotator cuff footprint and improve tendon healing and outcomes. The aim of this study is to describe the global percutaneous shuttling (GPS technique and report our results using this method. The GPS technique can be used for any full thickness rotator cuff tear and is particularly useful for massive cuff tears with poor tissue quality. We recently followed up 22 patients with an average follow up of 32 months to validate its usefulness. American Shoulder and Elbow Surgeons scores improved significantly from 37 preoperatively to 90 postoperatively (P<0.0001. This data supports the use of the GPS technique for arthroscopic rotator cuff repair. Further biomechanical studies are currently being performed to assess the improvements in tendon footprint area with this technique.

  10. Analgesic Effect of Dexamethasone after Arthroscopic Knee Surgery: A Randomized Controlled Trial

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    Jairo Moyano

    2016-01-01

    Full Text Available Background. Dexamethasone is sometimes used as a coanalgesic because of its anti-inflammatory properties. Objective. To evaluate opioid use, postoperative pain intensity, and side effects after a single dose of dexamethasone in patients undergoing arthroscopic knee surgery. Methods. In this randomized controlled study patients were randomized to receive either 10 mg of intravenous dexamethasone (DM group or 0.9% normal saline (NS group during the intraoperative period. Primary outcomes were pain intensity and total morphine and codeine use after surgery. Results. Seventy-eight patients were included in the study. The DM group showed statistically significant higher pain intensity at the fourth postoperative hour (DM: 3.96/10, standard deviation [SD] 0.54; NS: 2.46/10, SD 0.45; p=0.036. No statistically significant difference in total opioid use (morphine plus codeine was identified with 15.9 (SD 1.97 codeine tablets used in DM group and 20 (SD 2.14 in NS group (p=0.25. Discussion. Pain intensity tended to decrease in both groups suggesting morphine as the main source of analgesia. Conclusions. Intravenous dexamethasone during the intraoperative period has no clinical impact on postoperative pain intensity during the first 48 h after arthroscopic knee surgery. This trial is registered with R000020892.

  11. Modified Arthroscopic Latarjet Procedure With Coracoid Exteriorization for Treatment of Anterior Glenohumeral Instability

    Science.gov (United States)

    Ranne, Juha O.; Kainonen, Terho U.; Lehtinen, Janne T.; Heinonen, Olli J.

    2013-01-01

    The Latarjet procedure for treating anterior glenohumeral instability includes transfer of the coracoid and biceps tendon to the anterior glenoid. A modified method for the arthroscopic procedure was developed to facilitate the procedure and minimize the risk of injury to the brachial plexus. The detached coracoid was exteriorized through the anteroinferior portal for drilling and shaping. A Coracoid Drill Guide (Arthrex, Naples, FL) was used to help cut the coracoid to the desired size and make 2 drill holes in the coracoid for fixation to the glenoid. The Coracoid Transfer Instrument (Acierart, Masku, Finland) was designed to facilitate coracoid transfer and serve as a pin guide for fixation. Ten patients with severe anterior glenohumeral instability were treated with this technique. They had only mild to moderate postoperative pain. There were no postoperative infections or recurrent dislocations. The safety of this operation was similar to that of other operations on the coracoid process in the proximity of the brachial plexus. The modified arthroscopic Latarjet procedure may be applied successfully to the treatment of anterior glenohumeral instability, with good patient satisfaction and functional outcome. PMID:24400183

  12. A guided surgical approach and novel fixation method for arthroscopic Latarjet.

    Science.gov (United States)

    Boileau, Pascal; Gendre, Patrick; Baba, Mohammed; Thélu, Charles-Édouard; Baring, Toby; Gonzalez, Jean-François; Trojani, Christophe

    2016-01-01

    Most of the complications of the Latarjet procedure are related to the bone block positioning and use of screws. The purpose of this study was to evaluate if an arthroscopic Latarjet guiding system improves accuracy of bone block positioning and if suture button fixation could be an alternative to screw fixation in allowing bone block healing and avoiding complications. Seventy-six patients (mean age, 27 years) underwent an arthroscopic Latarjet procedure with a guided surgical approach and suture button fixation. Bone graft union and positioning accuracy were assessed by postoperative computed tomography imaging. Clinical examinations were performed at each visit. At a mean of 14 months (range, 6-24 months) postoperatively, 75 of 76 patients had a stable shoulder. No neurologic complications were observed; no patients have required further surgery. The coracoid graft was positioned strictly tangential to the glenoid surface in 96% of the cases and below the equator in 93%. The coracoid graft healed in 69 patients (91%). A guided surgical approach optimizes graft positioning accuracy. Suture button fixation can be an alternative to screw fixation, obtaining an excellent rate of bone union. Neurologic and hardware complications, classically reported with screw fixation, have not been observed with this guided technique and novel fixation method. Copyright © 2016 The Authors. Published by Elsevier Inc. All rights reserved.

  13. Quality of Life and Functional Results of Arthroscopic Partial Repair of Irreparable Rotator Cuff Tears.

    Science.gov (United States)

    Galasso, Olimpio; Riccelli, Daria Anna; De Gori, Marco; De Benedetto, Massimo; Orlando, Nicola; Gasparini, Giorgio; Castricini, Roberto

    2017-02-01

    To evaluate the minimum 2-year results and possible outcomes of arthroscopic partial repair in different patterns of irreparable rotator cuff tears (RCTs). Patients suffering from an irreparable supraspinatus and a reparable infraspinatus tendons who underwent arthroscopic partial repair with a minimum 24-month follow-up were included in this study. The Constant and Murley score (CMS) was used to assess patients' functionality pre- and postoperatively. Postoperative patient assessment included the Simple Shoulder Test (SST) and the Short Form Health Survey questionnaire (SF-36). A postoperative range of motion, CMS, and strength were compared with the contralateral side. Postoperative SF-36 was compared with age- and sex-matched norms. Ninety patients (95 shoulders) were reviewed after a mean follow-up of 7 (range 2-12) years. The subscapularis tendon was intact in 80 shoulders and torn but completely reparable in the remaining 15 shoulders. The CMS improved from 39.1 ± 8.4 (10-61) to 76.3 ± 9.7 (32-93) (P case series. Copyright © 2016 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  14. Clinical and Arthroscopic Findings of Acute Anterior Cruciate Ligament Tears of the Knee

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    Kenji Shirakura

    1995-01-01

    Full Text Available Clinical, arthrographic, and arthroscopic findings in 53 patients with acutely torn anterior cruciate ligaments (ACLs were documented. Arthroscopy and instability tests under anesthesia were performed on all patients within 2 weeks after the initial injury. Twenty-three patients complained of extension blocks, and localized tenderness on the medial side was revealed in 26 patients at the initial examination. Aspiration from joints exhibited hemarthrosis in 52 patients. Arthroscopy revealed ACL ruptures in all patients. Four Segond's fractures, 26 meniscus tears (8 medial and 18 lateral, 1 osteochondral fracture, and 19 medial collateral ligament ruptures were revealed. Arthroscopy detected only 1 of the 5 ruptures of the posteromedial corner of the medial meniscus, which were noted on arthrography. Three ACL stumps were protruding among the femorotibial joint, which seemed to be restricting full extension. Statistical analysis showed that tenderness on the medial side was not revealed more frequently in knees with medial collateral ligament injuries than in the others. The volume of aspirated fluids in knees with no leakage in arthrography significantly increased over those with leakages (p < 0.05. Diagnosis of ACL injuries should be completed by clinical, arthrographic, and arthroscopic examinations.

  15. Experimental and numerical validation for the novel configuration of an arthroscopic indentation instrument

    Science.gov (United States)

    Korhonen, Rami K.; Saarakkala, Simo; Töyräs, Juha; Laasanen, Mikko S.; Kiviranta, Ilkka; Jurvelin, Jukka S.

    2003-06-01

    Softening of articular cartilage, mainly attributable to deterioration of superficial collagen network and depletion of proteoglycans, is a sign of incipient osteoarthrosis. Early diagnosis of osteoarthrosis is essential to prevent the further destruction of the tissue. During the past decade, a few arthroscopic instruments have been introduced for the measurement of cartilage stiffness; these can be used to provide a sensitive measure of cartilage status. Ease of use, accuracy and reproducibility of the measurements as well as a low risk of damaging cartilage are the main qualities needed in any clinically applicable instrument. In this study, we have modified a commercially available arthroscopic indentation instrument to better fulfil these requirements when measuring cartilage stiffness in joints with thin cartilage. Our novel configuration was validated by experimental testing as well as by finite element (FE) modelling. Experimental and numerical tests indicated that it would be better to use a smaller reference plate and a lower pressing force (3 N) than those used in the original instrument (7-10 N). The reproducibility (CV = 5.0%) of the in situ indentation measurements was improved over that of the original instrument (CV = 7.6%), and the effect of material thickness on the indentation response was smaller than that obtained with the original instrument. The novel configuration showed a significant linear correlation between the indenter force and the reference dynamic modulus of cartilage in unconfined compression, especially in soft tissue (r = 0.893, p osteoarthrosis during arthroscopy.

  16. Functional evaluation of arthroscopic repair of rotator cuff injuries in patients with pseudoparalysis,

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    Alberto Naoki Miyazaki

    2014-04-01

    Full Text Available OBJECTIVE: to evaluate the functional result from arthroscopic repair of rotator cuff injuries in patients with pseudoparalysis, defined as incapacity to actively raise the arm above 90◦ , while complete passive elevation was possible.METHODS: we reevaluated 38 patients with a mean follow-up of 51 months (minimum of 24. We analyzed the pseudoparalysis reversion rate and the functional result obtained.RESULTS: according to the assessment criteria of the University of California in Los Angeles (UCLA, 31 (82% patients had good and excellent results, two (5% had fair results and five (13% had poor results. The mean active elevation went from 39◦ before the operation to 139◦ after the operation (p < 0.05; the mean active lateral rotation went from 30◦ to 48◦ (p < 0.05 and the mean active medial rotation went from level L3 to T12 (p < 0.05.CONCLUSION: arthroscopic repair of rotator cuff injuries produced good and excellent results in 82% of the cases and a statistically significant improvement of active range of motion, with reversion of the pseudoparalysis in 97.4% of the cases. It is therefore a good treatment option.

  17. Computer Tomography assessment of the fusion rate after posterior arthroscopic subtalar arthrodesis.

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    Thaunat, Mathieu; Bajard, Xavier; Boisrenoult, Philippe; Beaufils, Philippe; Oger, Philippe

    2012-05-01

    The purpose of this study was to assess the fusion rate on CT examinations and to correlate clinically the functional result with the degree of bone fusion in the subtalar joint after posterior arthroscopic subtalar arthrodesis (PASTA). Fourteen cases, from 36 to 84 years old, were retrospectively followed-up for a minimum of one year (range 12-92 months). A CT scan had been systematically performed at the six-month follow-up visit. The CT scans were examined in sagittal 2-mm-thick reformatted slices, measuring the length of the joint surface and the length of the fused portion of the joint space on each image. At six months, the average fusion ratio was 39±19% (range 0-69%). Fusion defined by a fusion ratio superior or equal to 33% on the CT scan was observed in 11 cases. One patient had a delayed union and required a revision of fixation. One patient had a bilateral nonunion. Mean average AOFAS score improved from 51±10 to 77±9 at last follow-up. Compared to open procedures, the posterior arthroscopic fusion seems to offer a promising alternative. However, our results suggest that the fusion rate following PASTA is not as favourable as reported in previous studies. Factors such as adequate compression and stable fixation provided by the screws together with the surgeons' experience with this demanding technique are of the utmost importance. A 33% CT fusion ratio threshold could accurately discriminate between clinical stability and instability.

  18. Arthroscopic Patelloplasty and Circumpatellar Denervation for the Treatment of Patellofemoral Osteoarthritis

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    Gang Zhao

    2015-01-01

    Full Text Available Background: Patellofemoral osteoarthritis commonly occurs in older people, often resulting in anterior knee pain and severely reduced quality of life. The aim was to examine the effectiveness of arthroscopic patelloplasty and circumpatellar denervation for the treatment of patellofemoral osteoarthritis (PFOA. Methods: A total of 156 PFOA patients (62 males, 94 females; ages 45-81 years, mean 66 years treated in our department between September 2012 and March 2013 were involved in this study. Clinical manifestations included recurrent swelling and pain in the knee joint and aggravated pain upon ascending/descending stairs, squatting down, or standing up. PFOA was treated with arthroscopic patelloplasty and circumpatellar denervation. The therapeutic effects before and after surgery were statistically evaluated using Lysholm and Kujala scores. The therapeutic effects were graded by classification of the degree of cartilage defect. Results: A total of 149 cases were successfully followed up for 14.8 months, on average. The incisions healed well, and no complications occurred. After surgery, the average Lysholm score improved from 73.29 to 80.93, and the average Kujala score improved from 68.34 to 76.48. This procedure was highly effective for patients with cartilage defects I-III but not for patients with cartilage defect IV. Conclusions: For PFOA patients, this procedure is effective for significantly relieving anterior knee pain, improving knee joint function and quality of life, and deferring arthritic progression.

  19. Signs of knee osteoarthritis common in 620 patients undergoing arthroscopic surgery for meniscal tear.

    Science.gov (United States)

    Pihl, Kenneth; Englund, Martin; Lohmander, L Stefan; Jørgensen, Uffe; Nissen, Nis; Schjerning, Jeppe; Thorlund, Jonas B

    2017-02-01

    Background and purpose - Recent evidence has questioned the effect of arthroscopic knee surgery for middle-aged and older patients with degenerative meniscal tears with or without concomitant radiographic knee osteoarthritis (OA). We investigated the prevalence of early or more established knee OA and patients' characteristics in a cohort of patients undergoing arthroscopic surgery for a meniscal tear. Patients and methods - 641 patients assigned for arthroscopy on suspicion of meniscus tear were consecutively recruited from February 2013 through January 2015. Of these, 620 patients (mean age 49 (18-77) years, 57% men) with full datasets available were included in the present study. Prior to surgery, patients completed questionnaires regarding onset of symptoms, duration of symptoms, and mechanical symptoms along with the knee injury and osteoarthritis outcome score (KOOS). At arthroscopy, the operating surgeon recorded information about meniscal pathology and cartilage damage. Early or more established knee OA was defined as the combination of self-reported frequent knee pain, cartilage damage, and the presence of degenerative meniscal tissue. Results - 43% of patients (269 of 620) had early or more established knee OA. Of these, a large proportion had severe cartilage lesions with almost half having a severe cartilage lesion in at least 1 knee compartment. Interpretation - Based on a definition including frequent knee pain, cartilage damage, and degenerative meniscal tissue, early or more established knee OA was present in 43% of patients undergoing knee arthroscopy for meniscal tear.

  20. [Precision of arthroscopic surgeons using ultrasound for the first time to measure tendon structures].

    Science.gov (United States)

    Erquicia, J I; Tey, M; Doreste, J L; Monllau, J C; Centenera, J M; Altisench, J M

    2016-01-01

    The precision of a group of arthroscopic surgeons using ultrasound for the first time was assessed when measuring shoulder and hip tendon structures. Twenty-two students and 3 professors participated in a one-day theoretical-practical course. Two measurement rounds were conducted, during which each student identified the greater and lesser axes and the cross-sectional area of the biceps tendon, the supraspinous depth, as well as the lesser and greater axes and the cross-sectional area of the iliac psoas. The mean of the two measurements made by each of the course professors was considered as the reference value. When the 2 measurements made by each of the students of each of the structures were assessed, no significant correlation was found in any of the cases, with a p 0.05. With the exception of the cross-sectional area of the biceps, where there was a significant undersizing of the structure, in the remaining 7 measurements a marked trend to oversize the structures was seen in both the first and second measurements, with a high statistical significance (p 0.05). Ultrasound is a useful method through which arthroscopic surgeons can identify structures. However, the marked trend to oversize structures compared to the reference values leads to think that the training courses and the daily practice are essential to improve the method.

  1. Regrowth of the psoas tendon after arthroscopic tenotomy: a magnetic resonance imaging study.

    Science.gov (United States)

    Márquez Arabia, William Henry; Gómez-Hoyos, Juan; Llano Serna, Juan Fernando; Aguilera Bohorquez, Bernardo; Nossa Barrera, Juan Manuel; Márquez Arabia, Jorge Jaime; Clavijo Rodríguez, Mónica Paola; Gallo Villegas, Jaime Alberto

    2013-08-01

    The purpose of this study was to evaluate whether the psoas tendon regenerates after arthroscopic tenotomy through the central compartment of the hip in patients with internal snapping hip. Twenty-seven patients with a snapping hip, aged 18 to 54 years (mean, 37.47 years), underwent arthroscopic tenotomy through the central compartment of the hip; all patients had symptomatic femoroacetabular impingement as well. The degree of regeneration was evaluated by preoperative and postoperative measurements of the tendon perimeter with a magnetic resonance imaging protocol in patients with more than 6 months' follow-up. In addition, function was assessed preoperatively and postoperatively with the Western Ontario and McMaster Universities Osteoarthritis Index score. Postoperative active flexion force was graded clinically between 1 and 5 with the Medical Research Council score. Eight patients had less than 6 months' follow-up, and they were excluded. The remaining 19 patients were evaluated after a mean follow-up period of 23.16 months (SD, 12.95 months). Tendon regeneration occurred in all patients. Compared with preoperative measurement, the psoas tendon circumference had recovered by 84.3% on average (55.44 ± 5.68 mm v 46.71 ± 6.05 mm, P psoas tenotomy, and the findings on magnetic resonance imaging suggest that tendon tissue regrowth occurs. Level IV, therapeutic case series. Copyright © 2013 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

  2. Femur-mounted navigation system for the arthroscopic treatment of femoroacetabular impingement

    Science.gov (United States)

    Park, S. H.; Hwang, D. S.; Yoon, Y. S.

    2013-07-01

    Femoroacetabular impingement stems from an abnormal shape of the acetabulum and proximal femur. It is treated by resection of damaged soft tissue and by the shaping of bone to resemble normal features. The arthroscopic treatment of femoroacetabular impingement has many advantages, including minimal incisions, rapid recovery, and less pain. However, in some cases, revision is needed owing to the insufficient resection of damaged bone from a misreading of the surgical site. The limited view of arthroscopy is the major reason for the complications. In this research, a navigation method for the arthroscopic treatment of femoroacetabular impingement is developed. The proposed navigation system consists of femur attachable measurement device and user interface. The bone mounted measurement devices measure points on head-neck junction for registration and position of surgical instrument. User interface shows the three-dimensional model of patient's femur and surgical instrument position that is tracked by measurement device. Surgeon can know the three-dimensional anatomical structure of hip joint and surgical instrument position on surgical site using navigation system. Surface registration was used to obtain relation between patient's coordinate at the surgical site and coordinate of three-dimensional model of femur. In this research, we evaluated the proposed navigation system using plastic model bone. It is expected that the surgical tool tracking position accuracy will be less than 1 mm.

  3. Arthroscopic debridement of the elbow for arthrofibrosis resulting from nondisplaced fracture of the radial head.

    Science.gov (United States)

    Lapner, Peter C; Leith, Jordan M; Regan, William D

    2005-12-01

    Mason type I fractures of the radial head consist of fractures that occur without displacement. Arthrofibrosis is a rarely reported complication of Mason I radial head fractures. Symptoms include pain, stiffness, and crepitus. We assessed the efficacy of an arthroscopic procedure including debridement and capsular release for patients with persistent symptoms and failure of nonoperative therapy. Therapeutic study, case series. Retrospective analysis of functional outcome data was carried out for all eligible cases treated at our institution between 1995 and 2003. Twenty procedures were performed, with 8 patients lost to follow-up. The outcome data consisted of range of motion measurements and functional indices derived from the Mayo Performance Index (MPI). Mean follow-up duration was 54 months. Surgical findings included extensive scarring in the radiocapitellar joint, cartilage loss in the radial head and capitellum, scarring and synovitis in the ulnohumeral joint, and scarring with adhesions in the posterior compartment and posterolateral gutter. The mean MPI score preoperatively was 64.1 and the mean postoperative score was 89.5. Total range of motion arc rose from 108 degrees preoperatively to 126 degrees postoperatively. The outcome data suggest that arthroscopic debridement and capsular release is an effective method of treating arthrofibrosis resulting from Mason I radial head fractures. Level IV.

  4. Perioperative rehabilitation using a knee extension device and arthroscopic debridement in the treatment of arthrofibrosis.

    Science.gov (United States)

    Biggs-Kinzer, Angie; Murphy, Brian; Shelbourne, K Donald; Urch, Scott

    2010-09-01

    Arthrofibrosis is a postoperative complication of intra-articular knee surgery that can be difficult to treat. Evidence suggests that maximizing knee range of motion may improve outcomes in patients with arthrofibrosis who undergo arthroscopic debridement. Patients who achieve greater knee range of motion will have better subjective scores. Retrospective case series analysis. A review of records was performed for 33 patients with arthrofibrosis who underwent knee arthroscopy and scar resection coupled with perioperative rehabilitation to maximize knee range of motion. Patient demographics and preoperative and postoperative range of motion measurements were extracted from the records. The International Knee Documentation Committee (IKDC) Subjective Knee Form was administered to assess pain, activity, and knee function. Patients performed a preoperative and postoperative rehabilitation program utilizing a knee extension device to maximize knee extension. According to the IKDC range of motion criteria, 27 of 33 patients achieved normal knee extension, and 14 of 33 achieved normal knee flexion at a mean of 8.6 months after surgery. Patients with normal knee motion had a mean IKDC Subjective Knee Form score of 72.6 ± 13.6, which was significantly higher than patients who did not achieve normal motion (P = .04). Overall, mean IKDC Subjective Knee Form scores improved from 45.3 ± 16.7 preoperatively to 67.1 ± 18.0 postoperatively (P arthrofibrosis who undergo arthroscopic scar resection. In support of our hypothesis, patients who achieved greater knee range of motion had better subjective knee scores.

  5. [Clinical results after all arthroscopic reduction and fixation of bony Bankart lesion].

    Science.gov (United States)

    Zhu, Yi-Ming; Jiang, Chun-Yan; Lu, Yi; Xue, Qing-Yun

    2011-07-01

    To investigate the shoulder function after arthroscopic reduction and internal fixation in patients with bony Bankart lesion. Between May 2004 and May 2008, 45 patients with bony Bankart lesion who were treated with all arthroscopic reduction and internal fixation with metal anchors were included in this study. Among them 40 patients were male and 5 patients were female. The average age at the surgery was 27.6 years (16.5 - 50.1 years). The average duration of follow-up was 29.7 months (24.8 - 49.0 months). A history of recurrent dislocation of affected shoulder was found in all patients. Metal anchors were used to fix the bony Bankart lesion during the surgery. Hill-Sachs remplissage technique was used to treat the Engaging Hill-Sachs lesion. The preoperative American Shoulder and Elbow Society (ASES) score, Constant-Murley score, Rowe score and the VAS score for instability were 84 ± 14, 95.1 ± 4.6, 39.4 ± 2.9 and 5 ± 3 respectively. No significant change was found regarding active forward elevation, external rotation and internal rotation after the surgery. The ASES score, Constant-Murley score, Rowe score and the VAS score of stability were 95 ± 7, 98.3 ± 2.2, 84.5 ± 22.0 and 1 ± 2, improved significantly higher after the surgery (P Bankart lesion can achieve a good result.

  6. Arthroscopic Double-Row Suture Anchor Repair of Acute Posterior Bony Bankart Lesion.

    Science.gov (United States)

    Ly, Justin A; Coleman, Erin M; Kropf, Eric J

    2016-08-01

    The treatment of anterior shoulder instability is well described with various techniques, including arthroscopic double-row repair, an alternative to open stabilization procedures in high-risk groups. The surgical management of posterior instability in high-risk and athletic populations is a less-explored entity. We describe our technique for an all arthroscopic double-row suture anchor repair of a large posterior bony Bankart lesion. We prefer this technique over percutaneous cannulated screw fixation because the double-row suture technique allows for incorporation of capsular plication with bony fixation in an effort to better restore normal anatomy for capsulolabral complex. Double-row repair capsulolabral repair or fixation of the bony Bankart is performed via a suture-bridge technique. Medial row anchors are placed down the glenoid neck and shuttled around the bony fragment and labrum. The lateral-row anchor is placed at the rim of the native glenoid. This repair technique has been shown to increase the surface area for healing and more closely reconstruct the native anatomic capsulolabral complex footprint, improve force distribution, and potentially impart enhanced posterior stability to the glenohumeral joint.

  7. Arthroscopically assisted treatment for Schatzker type I-V tibial plateau fractures

    Institute of Scientific and Technical Information of China (English)

    DUAN Xiao-jun; YANG Liu; GUO Lin; CHEN Guang-xing; DAI Gang

    2008-01-01

    Objective: To report the clinical outcome of arthroscopically assisted treatment for tibial plateau fractures.Methods: A total of 39 patients with tibial plateau fractures were treated by arthroscopic fixation from February 2002 to December 2005,including 11 patients with bony avulsion of the anterior cruciate ligament and 19 with meniscal injury.There were 4 cases of type I fracture,12 type II,9 type III,12 type IV and 2 type V according to Schatzker criteria.Firstly,the combined injuries were treated.Then the plateau fractures with the displacement over 3 mm or more were reduced and fixed.Finally,the internal fixation was observed by X-ray equipment.Postoperative management was early motion and delayed weight bearing.Results: All the fractures healed in 3 or 4 months.All patients were followed up for 1 to 5 years after operation.No case had severe complications,such as poor wound healing,infection,osteofascial compartment syndrome and osteoarthritis.According to the Rasmussen scoring system,36 cases obtained excellent or good results and the other 3 cases had moderate clinical results.The average score was 26 ± 3.Conclusions: As an adjuvant treatment of intraarticular fractures such as tibial plateau fracture,arthroscopy has many advantages.It can treat associated intraarticular soft tissue components,visualize the chondral surface reduction,lavage the hematoma and smaller loose fragments,decrease soft tissue dissection,reduce the risk of scarring and promote rapid recovery.

  8. Arthroscopic procedures and therapeutic results of anatomical reconstruction of the coracoclavicular ligaments for acromioclavicular Joint dislocation.

    Science.gov (United States)

    Takase, K; Yamamoto, K

    2016-09-01

    Surgical treatment is recommended for type 5 acromioclavicular joint dislocation on Rockwood's classification. We believe that anatomic repair of the coracoclavicular ligaments best restores the function of the acromioclavicular joint. We attempted to correctly reconstruct the anatomy of the coracoclavicular ligaments under arthroscopy, and describe the minimally invasive arthroscopic procedure. There were 22 patients; mean age at surgery, 38.1 years. Mean time to surgery was 13.2 days. Mean follow-up was 3 years 2 months. The palmaris longus tendon was excised from the ipsilateral side to replace the conoid ligament, while artificial ligament was used for reconstructing the trapezoid ligament. Both ligament reconstructions were performed arthroscopically. No temporary fixation of the acromioclavicular joint was performed. On postoperative radiographic evaluation, 4 patients showed subluxation and 2 showed dislocation of the acromioclavicular joint; the other 16 patients had maintained reduction at the final consultation. MR images 1year after surgery clearly revealed the reconstructed ligaments in 19 patients. Only 1 patient showed osteoarthritis of the acromioclavicular joint. Although it requires resection of the ipsilateral palmaris longus for grafting, we believe that anatomic reconstruction of both coracoclavicular ligaments best restores the function of the acromioclavicular joint. 4. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

  9. Speed-Bridge arthroscopic reinsertion of tibial eminence fracture (complementary to the adjustable button fixation technique).

    Science.gov (United States)

    Hardy, A; Casabianca, L; Grimaud, O; Meyer, A

    2017-02-01

    In comminuted fractures of the intercondyloid eminence of the tibial spine, the quality of the reduction and the arthroscopic fixation, notably adjustable suture button fixation, is sometimes disappointing with reduction defects of the anterior bone block. In the Speed-Bridge technique, the two traction sutures of the adjustable button fixation are replaced with two braided sutures of different colors. After the button is placed above the eminence, reduction is obtained by tightening the loop of the button. The accessory communitive fragments are then packed in the depression around the main fragment. A second row provides bone suturing for these accessory fragments; traction sutures of the button are attached anteromedially and laterally with knotless anchors to obtain a Speed-Bridge-type inverted-V bone suture. The Speed-Bridge arthroscopic reinsertion technique of the tibial eminence effectively completes the adjustable button bone suture technique for communitive fractures to obtain better reduction and good stability. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

  10. Glenohumeral position during CT arthrography with arthroscopic correlation: optimization of diagnostic yield

    Energy Technology Data Exchange (ETDEWEB)

    Simeone, F.J.; Gill, Corey M.; Torriani, Martin; Bredella, Miriam A. [Massachusetts General Hospital and Harvard Medical School, Division of Musculoskeletal Imaging and Intervention, Boston, MA (United States); Taneja, Atul K. [Hospital Israelita Albert Einstein, Hospital do Coracao (HCor) and Teleimagem, Musculoskeletal Imaging, Sao Paulo, SP (Brazil)

    2017-06-15

    To evaluate the diagnostic yield of two acquisitions of single-contrast CT arthrography (CTA) of the shoulder in internal, neutral, or external glenohumeral rotation with arthroscopic correlation. The CT study was obtained using two acquisitions (first the humerus positioned in maximum tolerated external rotation with the arm along the body and the second with the humerus in internal rotation with the palm placed flat on the table). Two independent readers blinded to the arthroscopic results evaluated the CTA images for labral tears, glenoid bone loss/fractures, and cartilage loss. For each CTA acquisition, sensitivity and specificity for detection of the aforementioned pathology were assessed. Inter-reader agreement was quantified by weighted k statistics. Sensitivity and specificity for detecting anteroinferior or posterior labral tears was highest with neutral rotation (sensitivity 91-100%, specificity 61-100%). For glenoid fracture, sensitivity (67%) was highest with external rotation and specificity (100%) was highest with internal rotation. For cartilage loss, sensitivity (64%) and specificity (89%) was highest with external rotation and neutral rotation, respectively. Neutral rotation showed high sensitivity and specificity for glenoid fractures and cartilage loss. Inter-reader agreement ranged from fair to very good. Neutral glenohumeral position in shoulder CT arthrography was adequately sensitive and specific for the detection of intra-articular pathology, avoiding the use of more than one acquisition. (orig.)

  11. Retrospective Analysis of Arthroscopic Superior Labrum Anterior to Posterior Repair: Prognostic Factors Associated with Failure

    Directory of Open Access Journals (Sweden)

    Rachel M. Frank

    2013-01-01

    Full Text Available Background. The purpose of this study was to report on any prognostic factors that had a significant effect on clinical outcomes following arthroscopic Type II SLAP repairs. Methods. Consecutive patients who underwent arthroscopic Type II SLAP repair were retrospectively identified and invited to return for follow-up examination and questionnaire. Statistical analysis was performed to determine associations between potential prognostic factors and failure of SLAP repair as defined by ASES of less than 50 and/or revision surgery. Results. Sixty-two patients with an average age of years met the study criteria with a mean followup of 3.3 years. There were statistically significant improvements in mean ASES score, forward elevation, and external rotation among patients. Significant associations were identified between ASES score less than 50 and age greater than 40 years; alcohol/tobacco use; coexisting diabetes; pain in the bicipital groove on examination; positive O’Brien’s, Speed’s, and/or Yergason’s tests; and high levels of lifting required at work. There was a significant improvement in ASES at final followup. Conclusions. Patients younger than 20 and overhead throwers had significant associations with cases requiring revision surgery. The results from this study may be used to assist in patient selection for SLAP surgery.

  12. Functional evaluation of arthroscopic treatment of SLAP lesions through the O'Brien portal

    Directory of Open Access Journals (Sweden)

    Fabiano Rebouças

    2015-06-01

    Full Text Available OBJECTIVE: To evaluate the functional results from arthroscopic repair of SLAP lesions through the portal described by O'Brien.METHODS: A retrospective evaluation was conducted on 19 shoulders in 18 patients who underwent arthroscopic repair of SLAP lesions through the O'Brien portal between November 2007 and January 2012.RESULTS: Nineteen shoulders in 18 patients were evaluated: 16 male patients (84.2% and three female patients (15.7%. The patients' ages ranged from 27 to 40 years (mean of 34.3 years. There were 12 patients (63.1% with injuries on the right shoulder, six (31.5% with injuries on the left shoulder and one (5.2% with bilateral injury. In relation to dominance, 13 patients (68.4% presented the injury on the dominant limb and five (26.3% were affected on the non-dominant limb. We observed that nine cases (47.3% had SLAP lesions alone and 10 cases (52.6% were related to glenohumeral instability. There was one case (5.2% of recurrence of glenohumeral dislocation, but this patient chose not to undergo a new surgical intervention. According to the UCLA and ASES scales translated and adapted to the Portuguese language, 96% of the results were good or excellent.CONCLUSION: The approach for treating SLAP lesions through the portal described by O'Brien et al. is easy to reproduce, with a high rate of good and excellent results and a low complication rate.

  13. Effectiveness of arthroscopic versus open surgical stabilisation for the management of traumatic anterior glenohumeral instability.

    Science.gov (United States)

    Ng, Choong; Bialocerkowski, Andrea; Hinman, Rana

    2007-06-01

    Background  Anterior instability is a frequent complication following a traumatic glenohumeral dislocation. Frequently the underlying pathology associated with recurrent instability is a Bankart lesion. Surgical correction of Bankart lesions and other associated pathology is the key to successful treatment. Open surgical glenohumeral stabilisation has been advocated as the gold standard because of consistently low postoperative recurrent instability rates. However, arthroscopic glenohumeral stabilisation could challenge open surgical repair as the gold standard treatment for traumatic anterior glenohumeral instability. Objectives  Primary evidence that compared the effectiveness of arthroscopic versus open surgical glenohumeral stabilisation was systematically collated regarding best-practice management for adults with traumatic anterior glenohumeral instability. Search strategy  A systematic search was performed using 14 databases: MEDLINE, Cumulative Index of Nursing and Allied Health (CINAHL), Allied and Complementary Medicine Database (AMED), ISI Web of Science, Expanded Academic ASAP, Proquest Medical Library, Evidence Based Medicine Reviews, Physiotherapy Evidence Database, TRIP Database, PubMed, ISI Current Contents Connect, Proquest Digital Dissertations, Open Archives Initiative Search Engine, Australian Digital Thesis Program. Studies published between January 1984 and December 2004 were included in this review. No language restrictions were applied. Selection criteria  Eligible studies were those that compared the effectiveness of arthroscopic versus open surgical stabilisation for the management of traumatic anterior glenohumeral instability, which had more than 2 years of follow up and used recurrent instability and a functional shoulder questionnaire as primary outcomes. Studies that used non-anatomical open repair techniques, patient groups that were specifically 40 years or older, or had multidirectional instability or other concomitant

  14. The diagnostic value of direct CT arthrography using MDCT in the evaluation of acetabular labral tear: with arthroscopic correlation

    Energy Technology Data Exchange (ETDEWEB)

    Ha, Yong-Chan; Kim, Jae Yoon [Chung-Ang University College of Medicine, Department of Orthopaedic Surgery, Seoul (Korea, Republic of); Choi, Jung-Ah; Lee, Guen Young; Kang, Heung Sik [Seoul National University Bundang Hospital, Departments of Radiology, Seoul National University College of Medicine, 166 Gumi-ro, Bundang-gu, Seongnam (Korea, Republic of); Lee, Young-Kyun; Koo, Kyung-Hoi [Seoul National University Bundang Hospital, Orthopaedic Surgery, Seoul National University College of Medicine, Seongnam (Korea, Republic of)

    2013-05-15

    The purpose of this study was first, to determine the sensitivity, specificity, and accuracy of MDCT arthrography (CTA) for the diagnosis of acetabular labral tear and sulcus; second, to correlate tear types using the Lage classification system on CTA compared with the arthroscopic classification; and third, to correlate CTA localization with arthroscopic localization. Direct CTA was performed using 16- or 64-slice MDCT in 126 hips (124 patients) who had chronic groin pain and positive impingement test. Images were reviewed and evaluated by two experienced musculoskeletal radiologists preoperatively. CTA findings were compared with arthroscopic findings in 58 hips (56 patients) under consensus by two orthopedic surgeons. Forty-one of the 58 hips were diagnosed as labral tears on CT arthrography. Forty-three of the 58 hips were shown to have a labral tear on arthroscopy. Sensitivity, specificity, and accuracy for detecting labral tear and sulcus by CTA were 90.7%, 86.7%, and 89.7%, and 93.8%, 97.6% and 96.6% respectively for observer 1, and 90.7% and 80.0%, 87.9% and 87.5%, 95.2%, and 93.1 % respectively for observer 2. Thirty-five out of 41 hips (85%) that were diagnosed with labral tear on CTA correlated substantially with arthroscopic Lage classification (kappa coefficient = 0.65). CTA and arthroscopic findings showed similar distribution patterns of the tears with most lesions located in antero- and postero-superior areas (p = 0.013). Direct CT arthrography using MDCT may be a useful diagnostic technique in the detection of acetabular labral tear. (orig.)

  15. Anterior shoulder instability with engaging Hill-Sachs defects: a comparison of arthroscopic Bankart repair with and without posterior capsulodesis.

    Science.gov (United States)

    Cho, Nam Su; Yoo, Jae Hyun; Juh, Hyung Suk; Rhee, Yong Girl

    2016-12-01

    The purpose of this study was to compare the clinical results of isolated arthroscopic Bankart repair and those of arthroscopic Bankart repair with posterior capsulodesis for anterior shoulder instability with engaging Hill-Sachs lesions. Thirty-five shoulders that underwent isolated arthroscopic Bankart repair (Bankart group) and 37 shoulders that underwent arthroscopic Bankart repair with posterior capsulodesis (remplissage group) for anterior shoulder instability with engaging Hill-Sachs lesions were evaluated retrospectively. The mean age at the time of the surgery was 26.1 ± 7.0 years in the Bankart group and 24.8 ± 9.0 years in the remplissage group. At the final follow-up, the Rowe and UCLA scores significantly improved in both the Bankart and remplissage groups (P Bankart group and 8° ± 23° in the remplissage group (P = n.s. and P = 0.044, respectively). There was no decrease in muscle strength in either group. The recurrence rate was 25.7 % in the Bankart group and 5.4 % in the remplissage group (P = 0.022). Arthroscopic Bankart repair with posterior capsulodesis demonstrated good clinical outcomes with a low recurrence rate in the treatment for anterior shoulder instability with an engaging Hill-Sachs lesion. Although a limitation in external rotation was observed, there was no significant limitation of any other motion and no decrease in muscle strength after the remplissage procedure. Posterior capsulodesis alone for remplissage should be considered as a surgical technique that can replace the conventional method. Case-control study, Level III.

  16. Evaluating the Native Length-Tension Relationship in Arthroscopic Suprapectoral Biceps Tenodesis: An MRI Assessment of Contralateral Shoulders.

    Science.gov (United States)

    Prodromo, John; Mulcahey, Mary K; Hong, Raymond; David, Tal S

    2015-11-01

    Successful tenodesis of the proximal biceps relies on accurate reproduction of the native length-tension relationship of the long head of the biceps (LHB). While open tenodesis procedures can reproduce this relationship by referencing the position of the LHB musculotendinous junction (MTJ) to a visible anatomic landmark, arthroscopic suprapectoral tenodesis does not afford such advantage because the MTJ is usually not visible. No studies to date have evaluated the position of the MTJ of the LHB following arthroscopic suprapectoral biceps tenodesis. Patients undergoing arthroscopic suprapectoral biceps tenodesis between January 2013 and May 2014 at one center were evaluated for inclusion. Patients included in the study underwent a postoperative MRI of bilateral shoulders. The distance from the superior portion of the humeral head to the LHB MTJ was measured bilaterally. The measurements from each matched pair were compared using a paired t-test to determine if arthroscopic suprapectoral biceps tenodesis anatomically restored the LHB length-tension relationship. A total of 17 patients met the inclusion criteria. Fourteen of the seventeen patients underwent a postoperative MRI of bilateral shoulders. The distance from the superior portion of the humeral head to the LHB musculotendinous junction was significantly larger on the operative side when compared to the nonsurgical side (operative side mean 98.34 mm, standard deviation 13.38 mm; nonsurgical mean 87.26 mm, standard deviation 9.09; mean difference 11.08 mm; p=0.0105). The musculotendinous junction of the LHB in patients who underwent arthroscopic suprapectoral biceps tenodesis was located significantly more distal than the contralateral control, as measured on MRI.

  17. The Analgesic Effects of Morphine and Tramadol Added to Intra-articular Levobupivacaine-Tenoxicam Combination for Arthroscopic Knee Surgery on Postoperative Pain; a Randomized Clinical Trial

    National Research Council Canada - National Science Library

    Oral, Ebru Gelici; Hanci, Ayse; Ulufer Sivrikaya, Gulcihan; Dobrucali, Hale; Turkoglu Kilinc, Leyla

    2015-01-01

    .... We aimed to compare the effects of intra-articular levobupivacaine-tenoxicam-tramadol and levobupivacaine-tenoxicam-morphine combinations on postoperative pain in patients undergoing elective arthroscopic knee surgery...

  18. The comparison effects of intra-articular injection of different opioids on postoperative pain relieve after arthroscopic anterior cruciate ligament reconstruction: A randomized clinical trial study

    Directory of Open Access Journals (Sweden)

    Hamidreza Arti

    2011-01-01

    Conclusions: Administering 5 mg intra-articular morphine after arthroscopic ACL reconstruction is a valuable choice and is recommended to be added to other local anesthetics administrated drugs after this procedure.

  19. Arthroscopic grafting of scaphoid nonunion - surgical technique and preliminary findings from 23 cases.

    Science.gov (United States)

    Cognet, J-M; Louis, P; Martinache, X; Schernberg, F

    2017-02-01

    We report our experience with the arthroscopic treatment of 23 cases of scaphoid nonunion. We explain the surgical technique and describe the different steps needed to achieve bone union. We report our initial clinical and radiological results. This was a prospective non-randomized study. Inclusion criteria were a scaphoid nonunion without radiocarpal arthritis, without any time limit and without any selection as to nonunion location. Before the operation, patients underwent an X-Ray and CT scan or MRI. Schernberg's classification was used to evaluate the location of the nonunion. Internal fixation was performed with a screw or K-wires. Bone grafts were taken from the dorsal side of the distal radius using a T-Lok™ bone marrow biopsy needle (Argon Medical Devices, Plano, TX, USA). A CT scan was performed 3 months after the operation to determine whether union was achieved. Pain, strength and range of motion were evaluated before and after the operation. The patients' smoking habits were also documented. The average follow-up was 17.3 months (4-41). There were 20 men and 3 women with an average age of 26 years (17-63). The average duration of nonunion before the operation was 17 months (6-60). Based on Schernberg's classification, there was one type I, 12 type II and 10 type III nonunions. Wrist strength increased from 32 to 41kg. Union was obtained in all patients after an average of 4 months (3-12). Numerous treatments have been described for treating scaphoid nonunion: Matti-Russe, Fisk-Fernadez bone graft, vascularized bone graft, bone substitutes, etc. The success rate varies depending on the technique and study design. We have described an arthroscopic technique for treating scaphoid nonunion with very promising preliminary results. Arthroscopic debridement is needed to ensure good quality bone at the graft site, while preserving extrinsic vascularization. Traction is used during the operation to restore the scaphoid height, once debridement has been

  20. An anatomic arthroscopic description of the hip capsular ligaments for the hip arthroscopist.

    Science.gov (United States)

    Telleria, Jessica J M; Lindsey, Derek P; Giori, Nicholas J; Safran, Marc R

    2011-05-01

    To examine and describe the normal anatomic intra-articular locations of the hip capsular ligaments in the central and peripheral compartments of the hip joint. Eight paired fresh-frozen human cadaveric hips (mean age, 73.3 years) were carefully dissected free of soft tissue to expose the hip capsule. Needles were placed through the capsule along the macroscopic borders of the hip capsular ligaments. Arthroscopy was performed on each hip, and the relations of the needles, and thus the ligaments, to the arthroscopic portals and other soft-tissue and osseous landmarks in the hip were recorded by use of a clock-face reference system. The iliofemoral ligament (ILFL) ran from 12:45 to 3 o'clock. The ILFL was pierced by the anterolateral and anterior portals just within its lateral and medial borders, respectively. The pubofemoral ligament was located from the 3:30 to the 5:30 clock position; the lateral border was at the psoas-U perimeter, and the medial border was at the junction of the anteroinferior acetabulum and the cotyloid fossa. The ischiofemoral ligament (ISFL) ran from the 7:45 to the 10:30 clock position. The posterolateral portal pierced the ISFL just inside its superior/lateral border, and the inferior/lateral border was located at the posteroinferior acetabulum. In the peripheral compartment the lateral ILFL and superior/lateral ISFL borders were in proximity to the lateral synovial fold. The medial ILFL and lateral pubofemoral ligament borders were closely approximated to the medial synovial fold. The hip capsular ligaments have distinct and consistent arthroscopic locations within the hip joint and are associated with clearly identifiable landmarks in the central and peripheral compartments. The standard hip arthroscopy portals are closely related to the borders of the hip capsular ligaments. These findings will help orthopaedic surgeons know which structures are being addressed during arthroscopic surgery and may help in the development of future hip

  1. Functional and imaging outcomes of arthroscopic simultaneous rotator cuff repair and bankart repair after shoulder dislocations.

    Science.gov (United States)

    Shields, Edward; Mirabelli, Mark; Amsdell, Simon; Thorsness, Robert; Goldblatt, John; Maloney, Michael; Voloshin, Ilya

    2014-11-01

    Previous studies have investigated outcomes of simultaneous rotator cuff (RC) repair and superior labral injury repair; however, there is limited information in the literature on outcomes of simultaneous RC repair and Bankart lesion repair after acute shoulder dislocations. To determine functional and imaging outcomes of simultaneous arthroscopic RC repair and Bankart repair after acute shoulder dislocations and to compare functional outcomes to contralateral, asymptomatic shoulders. Cohort study; Level of evidence, 3. Consecutive patients who underwent arthroscopic simultaneous RC repair and Bankart repair with a minimum of 2 years' follow-up were recruited. All patients had suffered an acute shoulder dislocation. The American Shoulder and Elbow Surgeons (ASES), Constant-Murley, and Short Form (SF)-36 scores were obtained. The affected shoulder also underwent ultrasound imaging to assess the integrity of the RC. Thirteen patients (mean age, 58.8 ± 11.2 years; mean follow-up, 38.5 ± 12.3 months) were recruited. In a comparison of the affected versus unaffected shoulder, there were no significant differences in the mean ASES score (89.7 ± 12.6 vs 95.0 ± 6.7, respectively), mean Constant score (80.5 ± 18.9 vs 86.8 ± 7.9, respectively), or mean abduction strength (15.4 ± 6.4 lb vs 15.4 ± 5.2 lb, respectively) (P > .05). The mean SF-36 physical component summary was 48.4. According to ultrasound imaging, there were persistent/recurrent full-thickness tears in 4 patients, and 1 patient had a new full-thickness tear. At follow-up, patients with full-thickness RC tears in the affected shoulder compared with their unaffected shoulder showed similar mean ASES scores (90.9 ± 11.8 vs 97.6 ± 4.3, respectively), mean Constant scores (77.8 ± 20.3 vs 84.8 ± 7.2, respectively), and mean abduction strength (11.5 ± 5.3 lb vs 12.6 ± 4.5 lb, respectively) (P > .05). After simultaneous arthroscopic repair of the RC and a Bankart lesion in patients after shoulder

  2. Arthroscopic treatment of acute acromioclavicular dislocations using a double button device: Clinical and MRI results.

    Science.gov (United States)

    Loriaut, P; Casabianca, L; Alkhaili, J; Dallaudière, B; Desportes, E; Rousseau, R; Massin, P; Boyer, P

    2015-12-01

    Arthroscopic treatment of acute grade 3 and 4 acromioclavicular dislocation is controversial, due to the risk of recurrence and of postoperative reduction defect. The purpose of the present study was to investigate whether the healing of the acromioclavicular (AC) and coracoclavicular (CC) ligaments and the accurate 3D positioning parameters of the AC joint using MRI were correlated with satisfactory functional outcome. Thirty-nine patients were enrolled from 2009 to 2011 and managed arthroscopically by CC lacing using a double-button device. Clinical assessment included the Shoulder and Hand (QuickDash) score, Constant-Murley score and visual analog scale (VAS) for residual pain. Time and rate to return to work and return to sport were assessed according to type of sport and work. Postoperative complications were recorded. Radiological examination consisted of anteroposterior clavicle and lateral axillary radiographs. AC ligament healing and 3D joint congruency were assessed on MRI and correlated to the clinical results. Mean patient age was 35.7 years (range, 20-55). Mean follow-up was 42.3±10.6 months (range, 24-60). At final follow-up, mean QuickDash score, Constant score and VAS were respectively 1.7±4 (range, 0-11), 94.7±7.3 (range, 82-100) and 0.5±1.4 (range, 0-2). Thirty-five (90%) patients were able to resume work, including heavy manual labor, and sport. Radiology found accurate 3D joint congruency in 34 patients (87%) and CC and AC ligament healing in 36 (93%). Complications included reduction loss at 6 weeks in 3 patients, requiring surgical stabilization. Satisfactory functional results were associated with accurate AC joint congruency in the coronal and axial planes (P<0.05) and good AC and CC ligament healing (P<0.04). An initial 25% reduction defect in the coronal plane was not associated with poor functional results (P=0.07). Arthroscopic treatment by CC lacing satisfactorily restored ligament and joint anatomy in the present series. These

  3. Arthroscopic Versus Open Latarjet in the Treatment of Recurrent Anterior Shoulder Dislocation With Marked Glenoid Bone Loss: A Prospective Comparative Study.

    Science.gov (United States)

    Zhu, Yiming; Jiang, Chunyan; Song, Guanyang

    2017-06-01

    Very few studies have compared open Latarjet versus arthroscopic Latarjet procedures. To compare the clinical and computed tomographic outcomes between open and arthroscopic Latarjet procedures. Cohort study; Level of evidence, 3. A prospective, comparative study was performed. The open Latarjet group included 44 patients, and the arthroscopic Latarjet group included 46 patients. All patients had more than 2 years of clinical follow-up (range of motion, American Shoulder and Elbow Surgeons [ASES] score, Constant-Murley score, and Rowe score). The position of the transferred coracoid, the screw orientation, and graft resorption were evaluated on computed tomography (CT) scan. The surgery time for the open group was significantly shorter than that for the arthroscopic group ( P = .003). No recurrent dislocation occurred in either group. The apprehension test was negative in all patients in both groups. At the final follow-up, no significant difference was detected between the open group and the arthroscopic group regarding any of the clinical outcome measurements. The transferred coracoid graft was level with the glenoid in all patients in both groups. The open group had better position in the superior-inferior direction compared with the arthroscopic group ( P Latarjet group showed notably less graft resorption compared with patients in the open Latarjet group.

  4. A Prospective Comparative Study of Arthroscopic Versus Mini-Open Latarjet Procedure With a Minimum 2-Year Follow-up.

    Science.gov (United States)

    Marion, Blandine; Klouche, Shahnaz; Deranlot, Julien; Bauer, Thomas; Nourissat, Geoffroy; Hardy, Philippe

    2017-02-01

    To compare postoperative pain during the first postoperative week and the position of the coracoid bone block at the anterior aspect of the glenoid after the arthroscopic and the mini-open Latarjet procedure. The secondary purpose was to assess functional results and recurrence after at least 2 years of follow-up. This comparative prospective study included patients who underwent a Latarjet-Bristow procedure for anterior shoulder instability in 2012. The Latarjet procedure was performed by a mini-open approach (G1) in one center and by an arthroscopic approach (G2) in the other. The main evaluation criterion was average shoulder pain during the first postoperative week assessed by the patient on a standard 10-cm visual analog scale (0-10). Secondary criteria were consumption of analgesics during the first week, the position of the coracoid bone block on radiograph and computed tomography scan at the 3-month follow-up and clinical outcomes (Western Ontario Score Index and new surgery) after at least 2 years of follow-up. Fifty-eight patients were included, 22 G1 and 36 G2, 13 women and 45 men, mean age 26.9 ± 7.7 years. The mean follow-up was 29.8 ± 4.4 months. There was significantly less pain in the arthroscopic Latarjet group than in the mini-open group during the first postoperative week (2.5 ± 1.4 vs 1.2 ± 1.2, P = .002) with comparable consumption of analgesics (P > .05). The arthroscopic Latarjet procedure resulted in a more lateral coracoid bone block (P = .04) and a better equatorial position than the mini-open technique (P = .02). Three patients underwent revision surgery (1 recurrence [2.8%], 1 block fracture, 1 screw ablation) in the arthroscopic group, none in the mini-open group (P = .54). At the final follow-up, the Western Ontario Score Index score was good in all patients (G1: 78.5 ± 7.5% vs G2: 82.3 ± 7%, P = .03). This prospective comparative study showed that the arthroscopic Latarjet procedure was significantly less painful than

  5. KNEE ARTHROSCOPIC VISIBILITY ALTERATIONS IN OBESE AND NON-OBESE PATIENTS.

    Science.gov (United States)

    Zini, Cássio; Stieven-Filho, Edmar; Tabushi, Fernando Issamu; Ribas, Carmen Australia Paredes Marcondes; Ribas, Fernanda Marcondes; Opolski, Ana Cristina; Erbano, Bruna Olandoski

    Obesity is a chronic disease and has become the most prevalent public health problem worldwide. The impact of obesity on knee is strong and the BMI is correlated with the different alterations. Compare surgical visualization of arthroscopic field in partial meniscectomy in obese and non-obese. Sixty patients were selected, 30 obese and 30 non-obese who underwent arthroscopic partial meniscectomy. The arthroscopic surgical procedures were recorded and analyzed. For the analysis of visualization was used the Johnson's classification (2000). Were analyzed 48 men and 12 women, the average age was 42.9 years with BMI between 21.56 to 40.14 kg/m2. The distribution of visibility of the surgical field according to the classification was: grade 1 - 38/60 (63.3%); grade 2 - 13/60 (21.6%); grade 3 - 6/60 (10%); grade 4 - 3/60 (5%). Knee arthroscopy did not show a significant difference in the visibility of arthroscopic field in obese and non-obese patients. Thus, it should not be indicated as the preferred method of diagnostic evaluation of joint changes in these patients. A obesidade é doença crônica e tem se tornado o problema de saúde pública mais prevalente em todo mundo. O impacto dela no joelho é grande e o IMC está correlacionado com as diferentes alterações existentes. Comparar a visualização do campo videoartroscópico na meniscectomia parcial de joelho em pacientes obesos e não obesos. Foram selecionados 60 pacientes, sendo 30 obesos e 30 não obesos que realizaram meniscectomia parcial videoartroscópica. Os procedimentos videoartroscópicos foram gravados e posteriormente analisados. Foi utilizada na análise a classificação de visibilidade do campo videoartroscópico de Johnson (2000). Foram analisados 48 homens e 12 mulheres com idade média de 42,9 anos e IMC de 21,56 a 40,14 kg/m2. A distribuição da visibilidade do campo cirúrgico foi: grau 1 - 38/60 (63,3%); grau 2 - 13/60 (21,6%); grau 3 - 6/60 (10%); grau 4 - 3/60 (5%). A artroscopia de

  6. Arthroscopic Ankle Arthrodesis for Treating Osteoarthritis in a Patient with Kashin-Beck Disease

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    Kenjiro Iwasa

    2014-01-01

    Full Text Available Kashin-Beck disease (KBD is an endemic degenerative osteoarthritis. Death of cartilage and growth plate is the pathologic feature; therefore, KBD involves skeletal deformity and often results in osteoarthritis. Deficiency of selenium, high humic acid levels in water, and fungi on storage gains are considered the cause of KBD. The most frequently involved joints are ankles, knees, wrists, and elbows and symptoms are pain and limited motions of those joints. The main treatments for KBD are rehabilitation and osteotomy to correct the deformities because preventive treatment has not been established. In this report, we present a case of ankle osteoarthritis due to KBD and first describe arthroscopic ankle arthrodesis for treating osteoarthritis of KBD.

  7. Graft infection following arthroscopic anterior cruciate ligament reconstruction: a report of four cases.

    Science.gov (United States)

    Wee, James; Lee, Keng Thiam

    2014-04-01

    Septic arthritis following arthroscopic anterior cruciate ligament reconstruction (ACL) is a rare complication and associated with severe morbidity. Its risk factors include (1) concomitant procedures during the reconstruction, (2) previous knee surgery, (3) allograft usage, (4) peri-operative wound contamination, and (5) presence of intra-articular foreign bodies. We present a series of 3 men and one woman aged 22 to 35 years who developed septic arthritis following ACL reconstruction. The risk factors identified were local infection (n=2), previous ipsilateral knee surgery (n=2), and the use of an allograft (n=1). All patients underwent emergency knee washout and debridement with graft retention within 24 hours, together with a course of intravenous antibiotic therapy. All the patients achieved eradication of their infections (with intact ACL grafts) and satisfactory functional outcome at a mean follow-up of 32 (range, 25-45) months.

  8. Arthroscopically assisted Sauvé-Kapandji procedure: an advanced technique for distal radioulnar joint arthritis.

    Science.gov (United States)

    Luchetti, Riccardo; Khanchandani, Prakash; Da Rin, Ferdinando; Borelli, Pierpaolo P; Mathoulin, Christophe; Atzei, Andrea

    2008-12-01

    Osteoarthritis of distal radioulnar joint (DRUJ) leads to chronic wrist pain, weakness of grip strength, and limitation of motion, all of which affect the quality of life of the patient. Over the years, several procedures have been used for the treatment of this condition; however, this condition still remains a therapeutic challenge for the hand surgeons. Many procedures such as Darrach procedure, Bower procedure, Sauvé-Kapandji procedure, and ulnar head replacement have been used. Despite many advances in wrist arthroscopy, arthroscopy has not been used for the treatment of arthritis of the DRUJ. We describe a novel technique of arthroscopically assisted Sauvé-Kapandji procedure for the arthritis of the DRUJ. The advantages of this technique are its less invasive nature, preservation of the extensor retinaculum, more anatomical position of the DRUJ, faster rehabilitation, and a better cosmesis.

  9. Effect of Dexmedetomidine on Postoperative Pain in Knee Arthroscopic Surgery; a Randomized Controlled Clinical Trial

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    Mohammad Alipour

    2014-03-01

    Full Text Available knee surgery. The purpose of this study was to assess the analgesic effects of intra-articular injection of a dexmedetomidine following knee arthroscopy. Methods:   Forty six patients schadualed for arthroscopic knee surgery under general anaesthesia, were randomly devided into two groups. Intervention group received 1μg/kg dexmedetomidine (D and isotonic saline. Control group received 25ml isotonic saline (P. Analgesic effects were evaluated by measuring pain intensity (VAS scores and duration of analgesia. Results:   There was no significant difference between the two groups in terms of age, sex and weight. The mean of post-operation pain severity in 1, 3, 6,12, and 24 h was significantly lower in the intervention group (D in comparison with the control group (P. the mean of the total dose of tramadol consumption was significantly lower in the interven   tion group in comparison with the control group (   P

  10. A case of unusual septic knee arthritis with Brucella abortus after arthroscopic meniscus surgery.

    Science.gov (United States)

    Lee, Keun Hwa; Kang, Hyunseong; Kim, Taejung; Choi, Sungwook

    2016-01-01

    We present a 51-year-old male patient with Brucella abortus septic arthritis in the right knee following arthroscopic meniscus surgery. He had eaten a traditional dish of raw minced cattle conceptus (bovine fetus) that was prepared after the cow was slaughtered. Despite treatment with empirical antibiotics and debridement of the postoperative surgical wound, the infection persisted without improvement. Polymerase chain reaction sequencing identified Brucella abortus from tissue samples obtained from the patient. After confirmation of the diagnosis of brucellar infection, antibiotics were replaced with doxycycline and rifampin, which were used for 4 months. In patients with a non-specific arthralgia who eat raw meat or live close to animals, it is important to consider the possibility of septic arthritis due to infection with Brucella spp.

  11. [Treatment of acute scapholunate ligament tears with simple wiring and arthroscopic assistance].

    Science.gov (United States)

    Mathoulin, C; Messina, J

    2010-04-01

    Scapholunate ligament tears give chronic instability leading in SLAC. The wrist arthroscopy allows to see the lesions, even in early stage, and to treat them, with a simple K-Wires fixation in acute cases. The patients were operated on in outpatient basis with tourniquet and local general anaesthesia. In acute cases, the scapholunate dissociation was reduced by external and internal manoeuvres. The fixation was done with two pins under arthroscopic and fluoroscopic controls. We report a series of 66 acute cases (less than 45 days after trauma). Forty-four patients were males and 22 females. The average age was 39 years old (range 19-46). Our average follow-up in acute cases was 36 months (range 14-61). According the "Mayo Wrist Score", we obtained 92 % of good or excellent results. The wrist arthroscopy is the best technique for early diagnosis, guarantee of best functional results.

  12. Clinical results of arthroscopic superior capsule reconstruction for irreparable rotator cuff tears.

    Science.gov (United States)

    Mihata, Teruhisa; Lee, Thay Q; Watanabe, Chisato; Fukunishi, Kunimoto; Ohue, Mutsumi; Tsujimura, Tomoyuki; Kinoshita, Mitsuo

    2013-03-01

    The objective of this study was to investigate the clinical outcome and radiographic findings after arthroscopic superior capsule reconstruction (ASCR) for symptomatic irreparable rotator cuff tears. From 2007 to 2009, 24 shoulders in 23 consecutive patients (mean, 65.1 years) with irreparable rotator cuff tears (11 large, 13 massive) underwent ASCR using fascia lata. We used suture anchors to attach the graft medially to the glenoid superior tubercle and laterally to the greater tuberosity. We added side-to-side sutures between the graft and infraspinatus tendon and between the graft and residual anterior supraspinatus/subscapularis tendon to improve force coupling. Physical examination, radiography, and magnetic resonance imaging (MRI) were performed before surgery; at 3, 6, and 12 months after surgery; and yearly thereafter. Average follow-up was 34.1 months (24 to 51 months) after surgery. Mean active elevation increased significantly from 84° to 148° (P Arthroscopy Association of North America. All rights reserved.

  13. Arthroscopic knee surgery does not modify hyperalgesic responses to heat injury

    DEFF Research Database (Denmark)

    Werner, Mads U; Duun, Preben; Kraemer, Otto

    2003-01-01

    thresholds were higher during the second burn injury in patients (P 0.8), secondary hyperalgesia areas (P > 0.1), mechanical and thermal pain perception (P > 0.1), or mechanical and thermal pain......BACKGROUND: Experimental studies suggest that surgical injury may up- or down-regulate nociceptive function. Therefore, the aim of this clinical study was to evaluate the effect of elective arthroscopically assisted knee surgery on nociceptive responses to a heat injury. METHODS: Seventeen patients...... scheduled to undergo repair of the anterior cruciate ligament and 16 healthy controls were studied. The first burn injury was induced 6 days before surgery, and the second burn was induced 1 day after surgery with a contact thermode (12.5 cm2, 47 degrees C for 7 min) placed on the medial aspect of the calf...

  14. Anatomical reference point for harvesting a flexor graft during arthroscopic reconstruction of the anterior cruciate ligament

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    Clécio de Lima Lopes

    2015-04-01

    Full Text Available OBJECTIVES: To evaluate the prevalence of a vascular network adjacent to the insertion of the pes anserinus, so that it could be used as an anatomical reference point to facilitate harvesting flexor grafts for arthroscopic reconstruction of the anterior cruciate ligament (ACL.METHODS: Thirty patients with ACL tears who were going to undergo ACL reconstruction using the tendons of the semitendinosus and gracilis muscles as grafts were selected randomly. During the harvesting of these tendons, the presence or absence of this anatomical reference point was noted.RESULTS: All the patients presented a vascular network of greater or lesser diameter.CONCLUSION: The vascular network seems to be a good reference point during harvesting of the tendons of the semitendinosus and gracilis muscles, for facilitating graft harvesting.

  15. Arthroscopic anatomical reconstruction of the lateral ankle ligaments: A technical simplification.

    Science.gov (United States)

    Lopes, R; Decante, C; Geffroy, L; Brulefert, K; Noailles, T

    2016-12-01

    Anatomical reconstruction of the lateral ankle ligaments has become a pivotal component of the treatment strategy for chronic ankle instability. The recently described arthroscopic version of this procedure is indispensable to ensure that concomitant lesions are appropriately managed, yet remains technically demanding. Here, we describe a simplified variant involving percutaneous creation of the calcaneal tunnel for the distal attachment of the calcaneo-fibular ligament. The rationale for this technical stratagem was provided by a preliminary cadaver study that demonstrated a correlation between the lateral malleolus and the distal footprint of the calcaneo-fibular ligament. The main objectives are simplification of the operative technique and decreased injury to tissues whose function is crucial to the recovery of proprioception. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

  16. "Relaxed" biceps proximal tenodesis: an arthroscopic technique with decreased residual tendon tension.

    Science.gov (United States)

    Valenti, Philippe; Benedetto, Ivan; Maqdes, Ali; Lima, Sara; Moraiti, Constantina

    2014-10-01

    Tenodesis of the long head of the biceps tendon (LHB) at the upper part of the bicipital groove has been related to persistent postoperative bicipital pain. This is possibly due to the inflammation of the remaining tendon within the groove. This, in turn, could be attributed to the continual mechanical stress placed on the tendon in the narrow bicipital groove. Theoretically, should the LHB be more "relaxed," the mechanical stress applied on it would be diminished. On the basis of this rationale, we present an arthroscopic biceps tenodesis technique, according to which the tendon is fixed at the entrance of the bicipital groove, using a bioabsorbable screw, relaxed by 5 mm. In this lax position, the residual LHB tension is expected to be decreased compared with the initial tension, whereas no cosmetic deformity (Popeye sign) or impaired muscular performance is anticipated.

  17. Loop biceps tenotomy: an arthroscopic technique for long head of biceps tenotomy.

    Science.gov (United States)

    Goubier, Jean-Noel; Bihel, Thomas; Dubois, Elodie; Teboul, Frédéric

    2014-08-01

    The long head of the biceps tendon is frequently involved in shoulder pathologies, often in relation to inflammatory or degenerative damage to the rotator cuff. Biceps tenodesis in the bicipital groove and tenotomy are the main treatment options. Tenotomy of the long head of the biceps tendon is a simpler and quicker procedure than tenodesis, and it does not require the use of implants. However, retraction of the biceps tendon, leading to Popeye deformity, and biceps muscle cramps are common complications after tenotomy. Therefore we propose an arthroscopic technique for tenotomy that limits the risk of Popeye deformity. This procedure consists of creating a loop at the severed end of the biceps tendon, which prevents the tendon from retracting into the bicipital groove.

  18. Knee extensor muscle strength in middle-aged and older individuals undergoing arthroscopic partial meniscectomy

    DEFF Research Database (Denmark)

    Hall, Michelle; Juhl, Carsten B; Lund, Hans

    2015-01-01

    for a meniscal tear and used either a healthy control group or the contralateral leg to compare knee extensor muscle strength were included. Methodological quality was assessed using guidelines from the Centre for Reviews and Dissemination. RESULTS: Eleven studies, including predominately males were included (n......OBJECTIVE: People with meniscal tears are at high risk to develop or progress knee osteoarthritis. Knee extensor weakness is considered a risk factor for osteoarthritis and is often reported in these individuals. The purpose of this systematic review and meta-analysis was to investigate knee...... extensor strength in people undergoing an arthroscopic partial meniscectomy (APM). METHODS: Six databases (MEDLINE, CINAHL, SportDISCUS, EMBASE, PEDro and AMED) were searched up to June 22(nd) , 2014. Studies that measured knee extensor muscle strength in people aged 30 years and older undergoing APM...

  19. The Anatomic Basis for the Arthroscopic Latarjet Procedure: A Cadaveric Study.

    Science.gov (United States)

    Hawi, Nael; Reinhold, Aja; Suero, Eduardo M; Liodakis, Emmanouil; Przyklenk, Sandra; Brandes, Julia; Schmiedl, Andreas; Krettek, Christian; Meller, Rupert

    2016-02-01

    The Latarjet technique is a reliable treatment option for recurrent anterior shoulder instability. However, the complication rate has been reported to be as high as 30%, with 1.6% of patients suffering a nerve injury. The all-arthroscopic Latarjet procedure has been gaining popularity, even as it has introduced its own challenges. Given that the surgeon is not able to palpate the nerves, their localization and protection can be difficult. Additionally, the use of different instruments can lead to distinct nerve injury mechanisms. To describe the anatomic trajectory of the musculocutaneous, axillary, and suprascapular nerves in relation to the arthroscopic Latarjet approach. Using this information, guidance is provided for reducing nerve injuries during instrumentation and screw insertion. Descriptive laboratory study. A total of 50 cadaveric shoulders from 25 whole-body specimens were examined. The specimens were placed in the beach-chair position, and the deltopectoral and dorsal approaches were used to expose the relevant structures. A subscapularis muscle split was performed between the inferior and middle thirds of the tendon. Digital caliper measurements were taken between various points of the trajectories of the nerves and surrounding anatomic landmarks. The location of the nerves relative to the split was recorded. The musculocutaneous nerve lay within the split in 66% of the shoulders (n = 33); it was medial to the split in 28% (n = 14); it was found lateral to split in 2% (n = 1); and it was not identified in 4% of shoulders (n = 2). The mean length of the axillary nerve was 4.0 cm (95% CI, 3.7-4.2) from the exit of the plexus to the quadrangular space. The axillary nerve was found to be within the split in 50% of the shoulders (n = 25) and medial to the split in the remaining 50% (n = 25). The suprascapular nerve at the level of the supraspinatous fossa passed 3.3 cm (95% CI, 3.1-3.5) medial to the superior rim of the posterior glenoid. The nerve curves

  20. Isolated subacromial bursal fluid on MRI of the shoulder in symptomatic patients: correlation with arthroscopic findings

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    Monu, J.U.V. [Dept. of Radiology, Bowman Gray School of Medicine, Wake Forest Univ., Winston-Salem, NC (United States); Pruett, S. [Bowman Gray School of Medicine, Wake Forest Univ., Winston-Salem, NC (United States); Vanarthos, W.J. [Dept. of Radiology, Bowman Gray School of Medicine, Wake Forest Univ., Winston-Salem, NC (United States); Pope, T.L. Jr. [Dept. of Radiology, Bowman Gray School of Medicine, Wake Forest Univ., Winston-Salem, NC (United States)

    1994-10-01

    Fluid in the subacromial bursa (SAB) is a common finding on magnetic resonance (MR) images of the shoulder, and the implications of this finding have not been clarified. We retrospectively reviewed and correlated the MR features with arthroscopic findings in 21 symptomatic patients who had fluid in the SAB on MR imaging without demonstrable rotator cuff tear. Rotator cuff impingement was the most frequent surgical finding (42.9%). Other frequent surgical observations were glenbid labrum abnormality (28.6%), bursitis (19%), and supraspinatus tendinitis (14.3%). Distribution of acromial types was similar to that reported by Bigliani et al., and impingement was evenly distributed among acromial types in our study population. We conclude that in our patient population group the MR finding of isolated SAB fluid in symptomatic patients is highly likely to be associated with the finding of other abnormalities in the shoulder joint at surgery. (orig.)

  1. A push-pull distraction method for arthroscopic subtalar joint arthrodesis.

    Science.gov (United States)

    Shibuya, Naohiro; Smith, Rebecca S; Escobedo, Laura A; Agarwal, Monica R

    2014-01-01

    Unlike ankle joint arthroscopy, distraction of the subtalar joint can be challenging. We introduce a powerful distraction method that can be used during an arthroscopic subtalar joint arthrodesis procedure using a "push-pull" technique. A fully threaded screw is used to push the talus while the calcaneus is pulled to distract the joint. The technique allows the surgeon to access the rather tight joint without disrupting a significant amount of the ligamentous and capsular structures. It also allows preservation of the vascular structures that supply the talus. The "push-pull" screw can also be converted to a second point of fixation at the end of the procedure. Copyright © 2014 American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.

  2. Arthroscopic excision of acetabular osteoid osteoma in a 7-year-old patient.

    Science.gov (United States)

    Aşık, Mehmet; Erşen, Ali; Polat, Gökhan; Bilgili, Fuat; Tunalı, Onur

    2015-11-01

    The purpose of this study was to present the case report of a 7-year-old patient who was treated with hip arthroscopy for an acetabular osteoid osteoma. A 7-year-old patient was referred to our clinic with hip pain. In the assessment of the patient, an acetabular osteoid osteoma was detected in his right hip; it was adjacent to his triradiate cartilage. An arthroscopic surgery was planned as an alternative to open safe hip dislocation. The osteoid osteoma was completely removed with hip arthroscopy. Postoperative CT scanning and histopathological analysis confirmed the diagnosis. Exposure of the acetabulum can be problematic in paediatric patients due to the potential risks of open safe dislocation. Hip arthroscopy can safely be used for benign hip lesions in paediatric patients. Level of evidence Case report, Level V.

  3. Combined arthroscopic repair of a type IV SLAP tear and Bankart lesion.

    Science.gov (United States)

    Baker, Champ L; Romeo, Anthony A

    2009-09-01

    Lesions of the superior labrum can be a source of significant shoulder pain and disability. SLAP (superior labrum anterior-posterior) tears have been classified into many different types. A type IV SLAP tear is a bucket-handle tear of the superior labrum with extension into the biceps tendon. This relatively uncommon SLAP tear, if present, has been shown to be frequently associated with other pathology including Bankart lesions. We present an arthroscopic technique for combined repair of a type IV SLAP tear and Bankart lesion. Steps include initial reduction of the bucket-handle portion of the superior labral injury, repair of the anterior-inferior labral detachment, and, finally, repair of the superior labrum and biceps tendon split.

  4. A novel flexible drill device enabling arthroscopic transosseous repair of Bankart lesions.

    Science.gov (United States)

    Won, Y-Y; Park, J S; Choi, S J; Hong, S I

    2017-06-01

    We have developed a flexible drill device that makes arthroscopic transosseous repair possible, and report preliminary results. Twelve patients with post-traumatic anterior inferior glenohumeral instability were selected. the flexible drill device is inserted into the shoulder joint through the posterior portal and the guide pipe unit is placed 5mm posterior to the margin of the anterior glenoid rim. The flexible drill is driven through the glenoid with the power drill, creating a hole in the glenoid. A non-absorbable suture is passed through the hole and a sliding knot tying is performed over the capsule and labrum after completing stitches with the suture hook loaded. The same procedures are repeated in the 2, 3 and 4 o'clock positions of the glenoid. There was no recurrence of dislocation at the mean follow-up period of 52.3 months. The mean Rowe score was 89.5. Copyright © 2017 Elsevier Masson SAS. All rights reserved.

  5. Anaesthetic management of shoulder arthroscopic repair in Parkinson′s disease with deep brain stimulator

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