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Sample records for cava superior izquierda

  1. Leiomyosarcoma of the superior vena cava.

    Science.gov (United States)

    de Chaumont, Arthus; Pierret, Charles; de Kerangal, Xavier; Le Moulec, Sylvestre; Laborde, François

    2014-08-01

    Leiomyosarcoma of the superior vena cava is a very rare tumor and only a few cases have been reported, with various techniques of vascular reconstruction. We describe a new case of leiomyosarcoma of the superior vena cava in a 61-year-old woman with extension to the brachiocephalic arterial trunk. Resection and vascular reconstruction were performed using, respectively, polytetrafluoroethylene and polyethylene terephtalate vascular grafts.

  2. Leiomyosarcoma of the superior vena cava.

    Science.gov (United States)

    de Chaumont, Arthus; Pierret, Charles; de Kerangal, Xavier; Le Moulec, Sylvestre; Laborde, François

    2014-08-01

    Leiomyosarcoma of the superior vena cava is a very rare tumor and only a few cases have been reported, with various techniques of vascular reconstruction. We describe a new case of leiomyosarcoma of the superior vena cava in a 61-year-old woman with extension to the brachiocephalic arterial trunk. Resection and vascular reconstruction were performed using, respectively, polytetrafluoroethylene and polyethylene terephtalate vascular grafts. PMID:25087805

  3. Superior vena cava syndrome in children.

    OpenAIRE

    Gupta, Vineeta; Ambati, Srikanth R.; Pant, P.; Bhatia, Baldev

    1981-01-01

    Superior vena cava syndrome (SVCS) is rare in childhood. 18 cases of SVCS were seen in children ranging from 3–14 years with a mean age of 8.8 years. There were 15 males and 3 female children. Diagnosis could be confirmed in 17 cases as one child succumbed to severe respiratory distress without a definitive diagnosis. The commonest cause of SVCS was lymphoma. Non-Hodgkin’s lymphoma (NHL) was more common than Hodgkin’s disease. In two cases the final diagnosis was tuberculosis of mediastinal l...

  4. Superior vena cava syndrome in hemodialysis patient

    Directory of Open Access Journals (Sweden)

    Azeb Molhem

    2011-01-01

    Full Text Available Obstruction of blood flow in the superior vena cava (SVC results in symptoms and signs of SVC syndrome. SVC obstruction can be caused either by invasion or external compression of the SVC by contagious pathologic processes involving the right lung, lymph nodes, and other mediastinal structures, or by thrombosis of blood within the SVC. Occasionally, both mechanisms co-exist. We hereby report a case of a 28-year-old male, Saudi patient who was diagnosed with end-stage renal disease and was maintained on regular hemodiaysis via right jugular vein dual lumen catheter for ten months. Three years later, the patient presented with signs and symptoms suggestive of SVC obstruction that was successfully managed with SVC stenting.

  5. Right superior vena cava draining into the left atrium

    Energy Technology Data Exchange (ETDEWEB)

    Calcagni, Giulio; Sidi, Daniel; Bonnet, Damien [University Rene Descartes-Paris 5, Department of Paediatric Cardiology, Hopital Necker-Enfants Malades, Paris (France); Batisse, Alain [Institut de Puericulture et de Perinatalogie, Paris (France); Vouhe, Pascal [University Rene Descartes-Paris 5, Department of Paediatric Cardiac Surgery, Hopital Necker-Enfants Malades, Paris (France); Ou, Phalla [University Rene Descartes-Paris 5, Department of Paediatric Cardiology, Hopital Necker-Enfants Malades, Paris (France); University Rene Descartes-Paris 5, Department of Pediatric Radiology, Hopital Necker-Enfants Malades, Paris (France)

    2008-08-15

    The right superior vena cava draining into the left atrium is a rare malformation causing cyanosis and clubbing in patients in whom no other signs of congenital heart defect are present. Diagnosis may be difficult as cyanosis may be mild and the anomaly is not always easily detectable by echocardiography. For this reason we report a 13-month-old male in whom we confirmed the clinical and echocardiographic suspicion of anomalous drainage of the right superior vena cava using multidetector CT. This allowed successful surgical reconnection of the right superior vena cava to the right atrium. (orig.)

  6. [Superior vena cava syndrome--surgical solution--case report].

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    Galie, N; Vasile, R; Savu, C; Petreanu, C; Grigorie, V; Tabacu, E

    2010-01-01

    The patient of 52-year-old smoker was admitted in emergency with headaches, dyspnea, oedema and cyanosis of the cephalic extremity and of the superior members. This signs and symptoms suggest a superior vena cava sindrom. Thoracic CT scan shows the thrombosis of the superior vena cava and a tumor localized in the Bariety's Lodge of about 30/40 mm witch is around the right lateral wall of the traheea.This tumor is also tangent to the superior the superior vena cava. The patient was operated by total median sternotomy. By this approach we performed a complete excision of the mediastinal tumor mass. After that we effected a longitudinal cavotomy, we took out the endoluminal clot and we sutured the superior vena cava. The histological diagnosis of the mediastinal tumor was adenocarcinoma tubular-papillary moderately differentiated. The evolution post operative period was favorable the superior vena cava sindrom was a complet remission. The thoracic CT scan control after 9 months later didn't show a local relapse and blood flow was normally throw the superior vena cava.

  7. Superior vena cava syndrome: A radiation oncologist's perspective.

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    Talapatra, Kaustav; Panda, Soumadip; Goyle, Sandeep; Bhadra, Kallol; Mistry, Rajesh

    2016-01-01

    Superior vena cava syndrome is referred to as a constellation of symptoms and signs caused by obstruction of superior vena cava. It can occur due to both benign and malignant causes with the latter being the predominant. There is a paradigm shift in the approach to manage this condition. It is no longer considered a medical emergency and histological diagnosis is necessary before treatment. This article reviews the causes, symptoms, pathophysiology, and overall management policy which have changed over decades. PMID:27461602

  8. Primary lung lymphoma involving the superior vena cava

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    Wei Sen

    2012-06-01

    Full Text Available Abstract Primary lung lymphoma (PLL presenting as a primary pulmonary lesion is rare and usually affects elderly people. Here we describe a 25-year-old Chinese man diagnosed with primary lung lymphoma, which presented as a huge lung tumor mimicking a primary lung cancer and involving the superior vena cava. He underwent double-sleeve reconstructions of bronchus and pulmonary arteries with right upper- and middle-lobe lobectomy along with replacement of the superior vena cava with a graft, and was then given standard chemotherapy of CHOP plus Rituximab. The patient has been well, showing no local recurrence or distal metastasis during a 27-month follow-up.

  9. [Mediastinal Mature Teratoma Necessitating Resection of Superior Vena Cava].

    Science.gov (United States)

    Aragaki, Masato; Iimura, Yasuaki; Hasegawa, Naoto; Kaga, Kichizo

    2015-09-01

    A 43-year-old woman was referred to our hospital for an abnormal shadow on chest X-ray. Computed tomography revealed a tumor with calcification of 9.8 cm in size at the anterior mediastinum. The infiltration into the left brachiocephalic vein and superior vena cava by tumor was suspected. Surgery was performed under a diagnosis of mature teratoma. The tumor was found to adhere firmly to superior vena cava (SVC), left brachiocephalic vein, right phrenic nerve, and the arch of the azygos vein. To ensure the blood flow, an artificial blood vessel was placed between left brachiocephalic vein and right atrium. Then SVC was clamped and the tumor was resected with the part of SVC. PMID:26329629

  10. Acute lymphoid leukemia presenting with superior vena cava syndrome

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    Mohammad Emami Ardestani; Firouzeh Moeinzadeh

    2013-01-01

    When superior vena cava (SVC) compress or obstructed by internal or external pressure, we encounter to SVC syndrome. The cause of this compression is malignant or benign. Although the widespread use of permanent central venous access catheters coupled with the improved success of chemotherapy has increased the incidence of SVC syndrome not caused by direct tumor infiltration (non-malignant SVC syndrome) but SVC syndrome may be a sign of advanced malignancy. In this report, we present a 30-yea...

  11. Myofibroblastic tumor associated to superior vena cava syndrome

    International Nuclear Information System (INIS)

    Inflammatory myofibroblastic tumor (IMT) is an uncommon pathological entity of unknown cause, composed of differentiated myofibroblastic cells accompanied by plasma cells, lymphocytes and eosinophils, which involve extrapulmonary and pulmonary tissues. IMT has an unpredictable clinical course, rarely undergoes malignant transformation. Local invasion and involvement of the mediastinum and hiliar structures are unusual manifestations; however; we reports a case of superior vena cava syndrome and IMT

  12. Agenesia de cava superior associada a bloqueio atrioventricular de 3º grau Agenesis of the right superior vena cava associated with total heart block

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    Gustavo J. Ventura Couto

    2008-03-01

    Full Text Available A persistência de veia cava superior esquerda com ausência da veia cava superior é uma anomalia rara, principalmente quando associada a bloqueio atrioventricular de 3º grau. Relatamos o caso de uma paciente, na qual durante implante de marca-passo definitivo, para a correção de bloqueio atrioventricular total, foi detectada presença de veia cava superior esquerda com suspeição de ausência de veia cava superior, o que levou ao emprego de técnica diferenciada para fixação do eletrodo ventricular. Para confirmação da provável agenesia, foram realizados diversos exames complementares de imagem, demonstrando-se a dificuldade no diagnóstico da síndrome aqui descrita.The superior left vena cava with the absent superior vena cava is a rare abnormality, especially when associated with total heart block. We report a case of a patient in which the presence of superior left vena cava and the absence of the superior vena cava was detected during the implantation of a pacemaker for the correction of a total heart block, which led us to use a different technique for the fixation of the ventricular electrode. To confirm the supposed absence, several image exams were made showing the difficulty on the diagnosis of the described syndrome.

  13. Síndrome de veia cava superior Superior vena cava syndrome

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    SAMUEL ZUÍNGLIO DE BIASI CORDEIRO

    2002-09-01

    Full Text Available A obstrução ao fluxo sanguíneo na VCS e suas manifestações clínicas têm hoje como causa principal o câncer de pulmão. A história relata que no século XVIII a sífilis e a tuberculose eram responsáveis por 40% dos casos conhecidos. O conhecimento das alterações hemodinâmicas compreendidas nesta síndrome assim como a apuração das técnicas de diagnóstico de imagem e de citopatologia permitem hoje que o médico possa tratar de seu paciente com mais segurança e conforto do que há 10 anos. A TC contrastada e a RM auxiliam no diagnóstico de localização da obstrução e técnicas mais antigas como a cavografia puderam ser abandonadas. O diagnóstico de obstrução da VCS e o estudo por Doppler realizado à beira do leito em muito contribuem para a realização de procedimentos de desobstrução como a angioplastia transluminal percutânea nos casos de trombose ou estenose do vaso. Também a utilização de próteses como PTFE é de importância fundamental na condução de casos de lesão traumática da VCS durante cirurgias para câncer pulmonar ou mediastinal. No campo da radioterapia, a técnica de fracionamento permite que altas doses de irradiação sejam administradas aos pacientes portadores de neoplasias malignas, com benefícios em 70% dos casos.Lung cancer is now the main cause of blood flow obstruction in the superior vena cava and of its clinical manifestations. History tells that in the 18th Century, syphilis and tuberculosis were responsible for 40% of the known cases. The knowledge of hemodynamic changes seen in this syndrome and the improvement of diagnostic and cytopathologic techniques allow for a safer and more comfortable treatment of the patient than 10 years ago. Contrast CT and MR added to the identification and location of the obstruction, and older techniques such as cavography could be abandoned. SVC obstruction diagnosis and Doppler studies carried out at the bed of the patient contribute to

  14. Combined Double Sleeve Lobectomy and Superior Vena Cava Resection for Non-small Cell Lung Cancer with Persistent Left Superior Vena Cava

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    Daxing ZHU

    2015-11-01

    Full Text Available A 65-year-old man with right central type of lung squamous carcinoma was admitted to our department. Bronchoscopy displayed complete obstruction of right upper lobe bronchus and infiltration of the bronchus intermedius with tumor. Chest contrast computed tomography revealed the tumor invaded right pulmonary artery, superior vena cava, and the persistant left superior vena cava flowed into the coronary sinus. The tumor was successfully removed by means of bronchial and pulmonary artery sleeve resection of the right upper and middle lobes combined with resection and reconstruction of superior vena cava (SVC utilizing ringed polytetrafluoroethylene graft. To the best of our knowledge, this was the first report of complete resection of locally advanced lung cancer involving superior vena cava, right pulmonary artery trunk and main bronchus with persistant left superior vena cava.

  15. Combined Double Sleeve Lobectomy and Superior Vena Cava Resection for Non-small Cell Lung Cancer with Persistent Left Superior Vena Cava

    Institute of Scientific and Technical Information of China (English)

    Daxing ZHU; Xiaoming QIU; Qinghua ZHOU

    2015-01-01

    A 65-year-old man with right central type of lung squamous carcinoma was admitted to our department. Bronchoscopy displayed complete obstruction of right upper lobe bronchus and inifltration of the bronchus intermedius with tumor. Chest contrast computed tomography revealed the tumor invaded right pulmonary artery, superior vena cava, and the persistant letf superior vena cava lfowed into the coronary sinus. hTe tumor was successfully removed by means of bronchial and pulmonary artery sleeve resection of the right upper and middle lobes combined with resection and reconstruction of superior vena cava (SVC) utilizing ringed polytetralfuoroethylene gratf. To the best of our knowledge, this was the ifrst report of complete resection of locally advanced lung cancer involving superior vena cava, right pulmonary artery trunk and main bronchus with persistant letf superior vena cava.

  16. An unusual cause of intraoperative acute superior vena cava syndrome

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    Adam W Amundson

    2013-01-01

    Full Text Available Acute intraoperative superior vena cava (SVC syndrome is an exceedingly rare complication in the cardiac surgical population. We describe the case of a 71-year-old female undergoing multi-vessel coronary artery bypass grafting who developed acute intraoperative SVC syndrome following internal thoracic artery harvest retractor placement. Her symptoms included severe plethora, facial engorgement and scleral edema, which was associated with hypotension and severe elevation of central venous pressure. Transesophageal echocardiography was crucial in the diagnosis, management, and optimal retractor placement ensuring adequate SVC flow. Potential causes of intraoperative SVC syndrome are reviewed as well as management options.

  17. Medical image of the week: persistent left superior vena cava

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    Hammode E

    2014-10-01

    Full Text Available No abstract available. Article truncated after 150 words. A 19 year old man with acute lymphocytic leukemia was admitted to the ICU with septic shock. Due to areas of cellulitis on the right side of the chest and neck and femoral venous thrombi, a left subclavian central access was attempted. The chest x-ray obtained after line placement is shown below (Figure 1. Blood gas done from the line was consistent with venous blood and venous tranduction was seen. A CT of the chest (Figure 2 confirmed the diagnosis of persistent left superior vena cava (PLSVC. A persistent left superior vena cava is the most common congenital thoracic venous anomaly, seen in 0.3-0.5% of the population (1. Incidence is increased in patients with congenital heart disease to 5%. In most patients a right sided SVC is also present; hence the term SVC duplication has also been used. Embryologically a PLSVC is formed when the left anterior cardinal vein is ...

  18. A rare case of left superior vena cava draining into left atrium demonstrated by MDCT.

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    Ardilouze, Paul; Bricot, Vincent; Maurel, Christophe; Christiaens, Luc

    2009-01-01

    We describe a rare case of persistent left superior vena cava draining directly into the left atrium with no associated anomaly of the coronary sinus or the atrial septum, discovered by multidetector computed tomography. PMID:17692952

  19. [Catheter in the superior vena cava for hemodialysis as a last resort in superior hemithorax].

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    Restrepo Valencia, C A; Buritica Barragán, C M; Arango, A

    2010-01-01

    We report four patients with chronic kidney disease undergoing haemodialysis therapy, which had exhausted conventional venous access (internal jugular, subclavian) and non-conventional access (axillary, innominate) in the upper hemithorax for haemodialysis. This was primarily due to thrombosis of these veins caused by previous catheterisation. These patients did not qualify for peritoneal dialysis. Using the technique recommended by Archundia et al., 4 indwelling catheters were implanted directly in the superior vena cava in each of the patients with subsequent subcutaneous tunneling. The catheters operated correctly and are currently permeable after being used for an average of 19 months.

  20. Bilateral agenesis of the superior vena cava associated with congenital hydrothorax.

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    Römer, S; Opgen-Rhein, B; Chaoui, R; Scheer, I; Czernik, C; Obladen, M

    2006-11-01

    Agenesis of the superior vena cava is a rare anomaly that is generally asymptomatic in the neonate. We report a male neonate with bilateral (total) agenesis of the superior vena cava with obstructed thoracic duct and subsequent congenital hydrothorax, anomalies that were detected by prenatal ultrasound at 25 weeks' gestation. The cardiac anomaly was confirmed by postnatal magnetic resonance angiography. The chylothorax disappeared with conservative therapy.

  1. Prenatal diagnosis of isolated interrupted inferior vena cava with azygos continuation to superior vena cava

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    Do Thi Cam Giang

    2014-01-01

    Full Text Available Absence of inferior vena cava is an uncommon congenital abnormality. It is usually associated with other structural anomalies, typically left isomerism. We report a case of interrupted inferior vena cava with azygos continuation diagnosed as an isolated finding during routine prenatal ultrasound scan, confirmed by post-natal echocardiography. Detailed ultrasound examination of the fetal anatomy failed to demonstrate other anomalies. The neonatal course of this fetus was uneventful.

  2. Percutaneous treatment of superior vena cava syndrome using metallic stents

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    De Gregorio Ariza, Miguel Angel; Gimeno, Maria Jose; Alfonso, Eduardo; Mainar, Antonio; Medrano, Joaquin; Lopez-Marin, Paloma [Department of Interventional Radiology, ' ' Lozano Blesa' ' University Hospital, Avda. San Juan Bosco 15, 50009 Zaragoza (Spain); Gamboa, Pablo [Division of Interventional Radiology, Ohio State University Hospital, Columbus, Ohio (United States); Tobio, Ricardo [Interventional Radiology, Clinica de la Zarzuela, Madrid (Spain); Herrera, Marcos [Division of Interventional Radiology, University of Minnesota, Minneapolis, Minnesota (United States)

    2003-04-01

    The purpose of this study was to evaluate the results of treatment of superior vena cava syndrome (SVCS) in patients with benign and malignant disease using expandable metallic stent. From January 1995 to April 2000, 87 expandable stents were implanted in 82 patients (59 men, 23 women; mean age 57.8 years, age range 39-79 years) for the treatment of SVCS. The SVCS was defined as symptomatic bilateral obstruction of venous drainage from head, neck and upper extremities. In 68 patients SVCS was due to malignant neoplasia, and in 14 cases it was due to benign aetiology. All patients were treated with expandable stent. We implanted 81 Wallstent prostheses and 6 Palmaz stents. Adjuvant thrombolysis was applied in 12 patients who required fibrinolysis. After recanalization, the stent was implanted in all cases in SVC (infra- or supra-azygos vein). All patients were treated with heparin of low molecular weight (HBPM) during 6 months. Patency was analyzed according to clinical symptoms and Doppler US or venograms exploration. Technical success was observed in all cases. Clinical success was reached in 78 of 82 patients (95.1%) (absence of symptoms in 2 or 3 days). Four patients suffered immediate thrombosis which required fibrinolitic treatment with a new prosthesis placement in 1 case. The follow-up for the malignant process was of 7.1 months (range 1-39 months) and in benign cases was 31.2 months (range 11-61 months). Sixty-two (91.1%) patients with malignancy died without SVCS symptomatology. All the patients with benign pathology are alive. Clinical primary patency in malignant cases was 87% with assisted patency of 96.2%. Endovascular therapy using metallic stent and thrombolysis is a successful method to treat SVCS due to benign or malignant aetiology. (orig.)

  3. Stenting of the Superior Vena Cava and Left Brachiocephalic Vein with Preserving the Central Venous Catheter in Situ

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    Isfort, Peter; Penzkofer, Tobias; Goerg, Fabian; Mahnken, Andreas H. [University Hospital RWTH Aachen, Aachen(Korea, Republic of)

    2011-10-15

    Stenting of the central veins is well established for treating localized venous stenosis. The techniques regarding catheter preservation for central venous catheters in the superior vena cava have been described. We describe here a method for stent implantation in the superior vena cava and the left brachiocephalic vein, and principally via a single jugular venous puncture, while saving a left sided jugular central venous catheter in a patient suffering from central venous stenosis of the superior vena cava and the left brachiocephalic vein.

  4. [Superior vena cava syndrome after pacemaker implantation. Increased risk with DDD-systems? Case report].

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    Minale, C; Splittgerber, F H; Niehage, D

    1992-04-01

    Superior vena cava syndrome due to transvenous pacing leads is a rare event. Local infection as well as multiple leads are important predisposing factors. The case of a patient with superior caval syndrome after multiple complicated permanent pacemaker insertions is presented. Medical treatment was unsuccessful. At operation a fibrous narrowing of the vena cava superior was found. The two leads (DDD-pacemaker) were left in place. A Goretex patch was used for enlargement of the anterior wall of the vein. Postoperatively, the patient remained free of symptoms and the vein was patent angiographically. In case of failure of medical management surgical correction should be attempted without delay. PMID:1604927

  5. Neuroimaging findings in neonates and infants from superior vena cava obstruction after cardiac operation

    International Nuclear Information System (INIS)

    Extraventricular obstructive hydrocephalus may develop after superior vena cava obstruction, an uncommon complication after cardiac surgery.Objective. To describe the neuroimaging findings in neonates and infants with superior vena cava thrombosis after cardiac surgery for congenital heart disease.Materials and methods. Between 1993 and 2001, 333 neonates and infants in our hospital underwent cardiac surgery, of whom 13 (3.9%) subsequently acquired superior vena cava syndrome. Eleven of these 13 children (7 boys, 4 girls) were evaluated by head ultrasound and computed tomography scans.Results. One child had normal findings on head ultrasound, and 10 children had extraventricular obstructive hydrocephalus (EVOH). In 6 children, aggravation of the hydrocephalus was noted up to 11.4 months after cardiac surgery; in 3 of them, the hydrocephalus was shunted to the peritoneum. One child had thrombosis of the dural sinuses, and 1 had hemorrhagic infarction. Two children died during follow-up.Conclusion. EVOH is a common complication of superior vena cava thrombosis, and head ultrasound should be performed in all neonates and infants with superior vena cava thrombosis after cardiac surgery. Long-term follow-up is needed, as the hydrocephalus may worsen even months after surgery. (orig.)

  6. Superior vena cava obstruction in small-cell lung cancer

    International Nuclear Information System (INIS)

    Purpose: To identify prognostic or treatment factors influencing the response of superior vena cava obstruction (SVCO), time to SVCO recurrence, and overall survival of SCLC patients with SVCO at presentation; and to assess the role of retreatment in patients with SVCO at recurrent or persistent disease. Methods and Materials: Between January 1983 and November 1993, 76 consecutive patients who had small-cell lung cancer (SCLC) with SVCO were treated in our institution. Analysis was done according to the disease status at diagnosis of SVCO. The first analysis concerned a group of 50 patients who had SVCO at initial presentation. The second analysis concerned a group who had SVCO as a manifestation of persistent or recurrent disease. Results: In the first analysis, 93% had significant improvement in symptoms of SVCO after chemotherapy and 94% after mediastinal radiation. Response is almost universal despite a wide range of radiation fractionation and total dose used. Seventy percent remained SVCO-free before death. Thirty percent developed recurrence of SVCO symptoms 1-16 months (median 8) after the start of initial treatment. Those who received combined chemotherapy and radiation had a longer time to SVCO recurrence (p = 0.018) compared to those who received chemotherapy alone. This effect is mainly seen in limited-stage patients. The presence of SVCO recurrence tends to have an adverse effect on the overall survival (p = 0.077) irrespective of the time when the recurrences occurred (p = 0.296). The median survival of this whole group of 50 patients in the first analysis was 9.5 months, and the 2-year survival was 10%. Stage was strongly predictive of survival (p < 0.001). Sixteen percent (3 of 19) of the patients with limited-stage diseases were long-term survivors (two patients survived 35 months and one survived 70 months). The early mortality from SVCO was 2%. In the second analysis, 85% had previously been treated with chemotherapy alone. The response rate of

  7. A new Nitinol stent for use in superior vena cava syndrome

    DEFF Research Database (Denmark)

    Andersen, Poul Erik; Midtgaard, Annette; Brenøe, Anne-Sofie;

    2015-01-01

    syndrome with in all 21 Zilver Vena stents between March 2012 and October 2013 were retrospectively reviewed. All cavographies and contrast enhanced CT related to the treatment and during follow-up were evaluated and the patients had clinical follow-up until dead. They were all in terminal state...... at the time of stent deployment. RESULTS: All patients had superior vena cava obstruction and clinical superior vena cava syndrome caused by malignant expansive mediastinal disease (eight patients non-small cell lung cancer and four small cell lung cancer). The technical success with deployment of the stents...

  8. Surgical Management of Undiagnosed Laceration of Superior Vena Cava Caused by Blunt Trauma.

    Science.gov (United States)

    Bouabdallaoui, Nadia; Debbagh, Hassan; Schoell, Thibaut; Lebreton, Guillaume

    2016-05-01

    Intrapericardial rupture of the superior vena cava resulting from blunt thoracic trauma is a rare and life-threatening condition that has to be ruled out in the presence of signs of cardiac tamponade and a history of blunt thoracic trauma. We report the case of undiagnosed superior vena cava laceration caused by a high-speed road traffic accident in a 25 year-old patient revealed by cardiac tamponade. We highlight the need of urgent surgical exploration in all patients whose condition is unstable in the setting of blunt thoracic trauma regardless of imaging conclusions. PMID:27106431

  9. Surgical Management of Undiagnosed Laceration of Superior Vena Cava Caused by Blunt Trauma

    OpenAIRE

    Bouabdallaoui, Nadia; Debbagh, Hassan; Schoell, Thibaut; Lebreton, Guillaume

    2016-01-01

    International audience Intrapericardial rupture of the superior vena cava resulting from blunt thoracic trauma is a rare and life-threatening condition that has to be ruled out in the presence of signs of cardiac tamponade and a history of blunt thoracic trauma. We report the case of undiagnosed superior vena cava laceration caused by a high-speed road traffic accident in a 25 year-old patient revealed by cardiac tamponade. We highlight the need of urgent surgical exploration in all patien...

  10. Superior Vena Cava Syndrome: A Presenting Feature of Mediastinal Germ Cell Tumor

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    Mahua Roy

    2010-04-01

    Full Text Available Superior vena cava syndrome (SVCS is rare in children. Non-Hodgkin’s Lymphoma (NHL is the most common cause of SVCS in children. This report an adolescent male who presented with SVCS due to mixed germ cell tumor (GCT of the anterior mediastinum with predominant yolk cell component. Such etiology of SVCS is rarely reported.

  11. Superior Vena Cava Syndrome: A Presenting Feature of Mediastinal Germ Cell Tumor

    OpenAIRE

    Mahua Roy; Rajat Bandyopadhyay; Narayan Pandit; Soumita Sengupta

    2010-01-01

    Superior vena cava syndrome (SVCS) is rare in children. Non-Hodgkin’s Lymphoma (NHL) is the most common cause of SVCS in children. This report an adolescent male who presented with SVCS due to mixed germ cell tumor (GCT) of the anterior mediastinum with predominant yolk cell component. Such etiology of SVCS is rarely reported.

  12. Review of evolving etiologies, implications and treatment strategies for the superior vena cava syndrome.

    Science.gov (United States)

    Straka, Christopher; Ying, James; Kong, Feng-Ming; Willey, Christopher D; Kaminski, Joseph; Kim, D W Nathan

    2016-01-01

    Superior vena cava syndrome (SVCS) is a relatively common sequela of mediastinal malignancies and may cause significant patient distress. SVCS is a medical emergency if associated with laryngeal or cerebral edema. The etiologies and management of SVCS have evolved over time. Non-malignant SVCS is typically caused by infectious etiologies or by thrombus in the superior vena cava and can be managed with antibiotics or anti-coagulation therapy, respectively. Radiation therapy (RT) has long been a mainstay of treatment of malignant SVCS. Chemotherapy has also been used to manage SVCS. In the past 20 years, percutaneous stenting of the superior vena cava has emerged as a viable option for SVCS symptom palliation. RT and chemotherapy are still the only modalities that can provide curative treatment for underlying malignant etiologies of SVCS. The first experiences with treating SVCS with RT were reported in the 1970's, and several advances in RT delivery have subsequently occurred. Hypo-fractionated RT has the potential to be a more convenient therapy for patients and may provide equal or superior control of underlying malignancies. RT may be combined with stenting and/or chemotherapy to provide both immediate symptom palliation and long-term disease control. Clinicians should tailor therapy on a case-by-case basis. Multi-disciplinary care will maximize treatment expediency and efficacy. PMID:27026923

  13. Doença de Behçet cursando com trombose de veia cava superior Behçet's disease presenting with superior vena cava thrombosis

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    Otacílio Figueiredo da Silva Júnior

    2006-03-01

    Full Text Available A trombose venosa é o principal acometimento do sistema vascular na doença de Behçet, sendo uma complicação freqüente na evolução clínica dessa patologia, e está mais associada ao sexo masculino. Os autores relatam o caso de uma paciente do sexo feminino que apresentou início da doença há 3 anos com úlceras orais, além de úlceras genitais, e que vem cursando com episódios recorrentes de trombose venosa, sendo a primeira uma trombose venosa profunda no membro inferior direito; a segunda, de jugular interna esquerda; e, por último, uma trombose da veia cava superior.Venous thrombosis is the main hazard to the vascular system in Behçet's disease. It is a frequent complication throughout the clinical evolution of this illness, which is more associated with the male gender. The authors report the case of a female patient with disease onset 3 years ago, showing oral and genital ulcers presenting with recurring episodes of venous thrombosis. The first one was a deep venous thrombosis in the right leg; the second was in the left internal jugular vein; and finally a superior vena cava thrombosis.

  14. Totally endoscopic robotic resection of left atrial myxoma with persistent left superior vena cava.

    Science.gov (United States)

    Tarui, Tatsuya; Ishikawa, Norihiko; Ohtake, Hiroshi; Watanabe, Go

    2016-07-01

    A 68-year old man with a cardiac tumour was admitted for robotic tumour resection using the da Vinci S Surgical System. While undergoing preoperative examination, he was found to have a persistent left superior vena cava. After general anaesthesia and single-lung ventilation, cardiopulmonary bypass was established, with venous drainage through bilateral internal jugular and right femoral veins and arterial return through the right femoral artery. Robotic tumour resection was performed by four ports in the right chest. There were no difficulties during the operation, and successful tumour resection was achieved with satisfactory margins. He was discharged without complications. Persistent left superior vena cava is very rare, but if diagnosed preoperatively and an appropriate operative plan is made, robotic cardiac surgery can be performed safely. With robotic surgery, cardiac tumour resection can be feasibly performed, with cosmetic benefits. PMID:26989070

  15. Persistent Left Superior Vena Cava: A Rare Case with Clinical Significance

    Science.gov (United States)

    Kumar, Raj; Yadav, Sankalp; Verma, Deepak

    2016-01-01

    Persistent Left Superior Vena Cava (PLSVC) is a rare congenital vascular anomaly (incidence of 0.3-0.5% of the general population) which being mostly asymptomatic in its presentation, is usually detected incidentally. There are many practical clinical implications associated with it including arrhythmias. We report a rare case of PLSVC with absent Right Superior Vena Cava (RSVC) (isolated PLSVC), in a 55-year-old lady who had complete heart block followed by sepsis and was diagnosed to have this condition during the permanent cardiac pacemaker implantation and central venous catheter insertion showing an abnormal path of the catheter/pacing leads. The authors also give an insight into its clinical relevance. PMID:27437282

  16. Treatment of pacemaker-induced superior vena cava syndrome by balloon angioplasty and stenting.

    LENUS (Irish Health Repository)

    Klop, B

    2011-01-01

    Superior vena cava (SVC) syndrome is a rare but serious complication after pacemaker implantation. This report describes three cases of SVC syndrome treated with venoplasty and venous stenting, with an average follow-up of 30.7 (±3.1) months. These cases illustrate that the definitive diagnosis, and the extent and location of venous obstruction, can only be determined by venography.

  17. MALIGNANT LYMPHOMA DEMONESTRATING SICK SINUS SYNDROME AND SUPERIOR VENA CAVA SYNDROME

    OpenAIRE

    S K Forouzannia; M h Abdollahi; Mirhosseini, S. J.; S H Moshtaghion; HOSSEINI, H; Jorat, M. V.; M Moeeni; M A Karimi-Zarchi

    2008-01-01

    "nReports which describe sick sinus syndrome due to malignant lymphoma have been rare and only eight cases have been reported until now. This is a case of sick sinus syndrome and superior vena cava syndrome secondary to invasion of occult malignant lymphoma of the lung in a 60 years old male. There were no symptoms or signs of malignancy before the first presentation with sick sinus syndrome. Patient was treated with implantation of a permanent pacemaker. SA node involvement by lymphoma ...

  18. [Maze procedure in a case of dextrocardia with atrial septal defect and persistent left superior vena cava].

    Science.gov (United States)

    Muraoka, Arata; Kawada, Masaaki; Misawa, Yoshio

    2014-08-01

    A 52-year-old man was diagnosed with dextrocardia at the age of 1 year and was asymptomatic until 1 year before admission. He was transferred to our hospital for management of atrial fibrillation. A transthoracic echocardiogram showed dextrocardia with atrial septal defect;moderate tricuspid valve regurgitation; and a large, persistent left superior vena cava. A cardiac catheterization study revealed that pulmonary flow/systemic flow (Qp/Qs) was 3.6 and that pulmonary vascular resistance was 2.5 Wood U·m². Intracardiac repair with tricuspid annuloplasty and a maze procedure was scheduled. When establishing cardiopulmonary bypass, venous drainage was initially obtained from the inferior vena cava and the left superior vena cava, and the small superior vena cava was then directly cannulated after opening the right atrium. The patient's postoperative course was uneventful, and serial electrocardiograms have demonstrated maintenance of normal sinus rhythm for 3.5 years after the operation.

  19. Interrupted inferior vena cava with hemiazygos continuation in an adult with a persistent left superior vena cava and left single coronary artery: A case report

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Yeo Jin; Kwon, Se Hwan; Ahn, Sung Eun; Kim, Soo Joong; Oh, Joo Hyeong [College of Medicine, Kyung Hee University, Seoul (Korea, Republic of); Shin, Jong Soo [Dept. of Radiology, Kyung Hee University Hospital at Gangdong, Seoul (Korea, Republic of)

    2016-06-15

    A 50-year-old woman was referred to our institution for medical screening due to an incidental finding on abdominal ultrasonography. She underwent chest, abdomen and cardiac multi-detector computed tomography (MDCT). Her MDCT revealed absence of the hepatic segment of the inferior vena cava (IVC), with hemiazygos continuation and a left single coronary artery. The dilated hemiazygos vein drained directly into the persistent left superior vena cava (SVC). Herein, we reported a very rare case combining an incidentally found interrupted IVC with hemiazygos vein continuation, persistent left SVC and a left single coronary artery diagnosed by MDCT.

  20. [Duplication of the superior vena cava and other malformations discovered at insertion of a port-a-cath].

    Science.gov (United States)

    Hammerer, V; Jeung, M; Mennecier, B; Demian, M; Pauli, G; Quoix, E

    2005-09-01

    We report a clinical case of a persistent left superior vena cava discovered in a 50-year-old female patient when a port-a-cath was inserted. This already seldom malformation was associated with an arteria lusoria and polysplenia with left inferior vena cava with hemiazygos continuation, right-sided stomach, short pancreas, preduodenal portal vein and intestinal malrotation, but without any cardiac abnormalities. PMID:16208194

  1. [Duplication of the superior vena cava and other malformations discovered at insertion of a port-a-cath].

    Science.gov (United States)

    Hammerer, V; Jeung, M; Mennecier, B; Demian, M; Pauli, G; Quoix, E

    2005-09-01

    We report a clinical case of a persistent left superior vena cava discovered in a 50-year-old female patient when a port-a-cath was inserted. This already seldom malformation was associated with an arteria lusoria and polysplenia with left inferior vena cava with hemiazygos continuation, right-sided stomach, short pancreas, preduodenal portal vein and intestinal malrotation, but without any cardiac abnormalities.

  2. Life-threatening Cerebral Edema Caused by Acute Occlusion of a Superior Vena Cava Stent

    Energy Technology Data Exchange (ETDEWEB)

    Sofue, Keitaro, E-mail: keitarosofue@yahoo.co.jp; Takeuchi, Yoshito, E-mail: yotake62@qg8.so-net.ne.jp; Arai, Yasuaki, E-mail: arai-y3111@mvh.biglobe.ne.jp [National Cancer Center Hospital, Department of Diagnostic Radiology (Japan); Sugimura, Kazuro, E-mail: sugimura@med.kobe-u.ac.jp [Kobe University, Department of Radiology, Graduate School of Medicine (Japan)

    2013-02-15

    A71-year-old man with advanced lung cancer developed a life-threatening cerebral edema caused by the acute occlusion of a superior vena cava (SVC) stent and was successfully treated by an additional stent placement. Although stent occlusion is a common early complication, no life-threatening situations have been reported until now. Our experience highlights the fact that acute stent occlusion can potentially lead to the complete venous shutdown of the SVC, resulting in life-threatening cerebral edema, after SVC stent placement. Immediate diagnosis and countermeasures are required.

  3. MALIGNANT LYMPHOMA DEMONESTRATING SICK SINUS SYNDROME AND SUPERIOR VENA CAVA SYNDROME

    Directory of Open Access Journals (Sweden)

    S K Forouzannia

    2008-11-01

    Full Text Available "nReports which describe sick sinus syndrome due to malignant lymphoma have been rare and only eight cases have been reported until now. This is a case of sick sinus syndrome and superior vena cava syndrome secondary to invasion of occult malignant lymphoma of the lung in a 60 years old male. There were no symptoms or signs of malignancy before the first presentation with sick sinus syndrome. Patient was treated with implantation of a permanent pacemaker. SA node involvement by lymphoma should be considered as an etiological factor when sick sinus syndrome of unknown cause is encountered.

  4. Endovascular Treatment of Malignant Superior Vena Cava Syndrome: Results and Predictive Factors of Clinical Efficacy

    Energy Technology Data Exchange (ETDEWEB)

    Fagedet, Dorothee, E-mail: DFagedet@chu-grenoble.fr [CHU de Grenoble, Clinique universitaire de medecine interne, Pole Pluridisciplinaire de Medecine (France); Thony, Frederic, E-mail: FThony@chu-grenoble.fr [CHU de Grenoble, Clinique universitaire de radiologie et imagerie medicale, Pole d' Imagerie (France); Timsit, Jean-Francois, E-mail: JFTimsit@chu-grenoble.fr [CHU de Grenoble, Clinique universitaire de reanimation, Pole Medecine Aiguee Communautaire (France); Rodiere, Mathieu, E-mail: MRodiere@chu-grenoble.fr [CHU de Grenoble, Clinique universitaire de radiologie et imagerie medicale, Pole d' Imagerie (France); Monnin-Bares, Valerie, E-mail: v-monnin@chu-montpellier.fr [CHRU Arnaud de Villeneuve, Imagerie Medicale Thoracique Cardiovasculaire (France); Ferretti, Gilbert R., E-mail: GFerretti@chu-grenoble.fr [CHU de Grenoble, Clinique universitaire de radiologie et imagerie medicale, Pole d' Imagerie (France); Vesin, Aurelien; Moro-Sibilot, Denis, E-mail: DMoro.pneumo@chu-grenoble.fr [University Grenoble 1 e Albert Bonniot Institute, Inserm U823 (France)

    2013-02-15

    To demonstrate the effectiveness of endovascular treatment (EVT) with self-expandable bare stents for malignant superior vena cava syndrome (SVCS) and to analyze predictive factors of EVT efficacy. Retrospective review of the 164 patients with malignant SVCS treated with EVT in our hospital from August 1992 to December 2007 and followed until February 2009. Endovascular treatment includes angioplasty before and after stent placement. We used self-expandable bare stents. We studied results of this treatment and looked for predictive factors of clinical efficacy, recurrence, and complications by statistical analysis. Endovascular treatment was clinically successful in 95% of cases, with an acceptable rate of early mortality (2.4%). Thrombosis of the superior vena cava was the only independent factor for EVT failure. The use of stents over 16 mm in diameter was a predictive factor for complications (P = 0.008). Twenty-one complications (12.8%) occurred during the follow-up period. Relapse occurred in 36 patients (21.9%), with effective restenting in 75% of cases. Recurrence of SVCS was significantly increased in cases of occlusion (P = 0.01), initial associated thrombosis (P = 0.006), or use of steel stents (P = 0.004). Long-term anticoagulant therapy did not influence the risk of recurrence or complications. In malignancy, EVT with self-expandable bare stents is an effective SVCS therapy. These results prompt us to propose treatment with stents earlier in the clinical course of patients with SVCS and to avoid dilatation greater than 16 mm.

  5. Internal thoracic vein draining into the extrapericardial part of the superior vena cava: a case report

    Directory of Open Access Journals (Sweden)

    Venkata Ramana Vollala

    2008-03-01

    Full Text Available The internal thoracic veins are venae comitantes of each internal thoracic artery draining the territory supplied by it and usually unite opposite the third costal cartilage. This single vein enters the corresponding brachiocephalic vein. We present a variation of right internal mammary vein draining into superior vena cava in a 45-year-old male cadaver. Likely development and clinical significance of the vein are discussed.As veias torácicas internas são veias comitantes de cada artéria torácica interna drenando o território suprido por ela e geralmente se unem em frente à terceira cartilagem costal. Esta única veia entra na veia braquicefálica correspondente. Apresentamos uma variação da veia mamária interna direita drenando para a veia cava superior em um cadáver masculino de 45 anos. O provável desenvolvimento e a significância clínica da veia são discutidos.

  6. Superior vena cava syndrome after pulsatile bidirectional Glenn shunt procedure: Perioperative implications

    Directory of Open Access Journals (Sweden)

    Neema Praveen

    2009-01-01

    Full Text Available Bidirectional superior cavopulmonary shunt (bidirectional Glenn shunt is generally performed in many congenital cardiac anomalies where complete two ventricle circulations cannot be easily achieved. The advantages of BDG shunt are achieved by partially separating the pulmonary and systemic venous circuits, and include reduced ventricular preload and long-term preservation of myocardium. The benefits of additional pulsatile pulmonary blood flow include the potential growth of pulmonary arteries, possible improvement in arterial oxygen saturation, and possible prevention of development of pulmonary arteriovenous malformations. However, increase in the systemic venous pressure after BDG with additional pulsatile blood flow is known. We describe the peri-operative implications of severe flow reversal in the superior vena cava after pulsatile BDG shunt construction in a child who presented for surgical interruption of the main pulmonary artery.

  7. Successful use of wearable cardioverter defibrillator in a patient with dextrocardia and persistent left superior vena cava.

    Science.gov (United States)

    Wan, Chingping; Oren, Jess W; Szymkiewicz, Steven J

    2013-09-01

    Congenital disorders, such as dextrocardia and persistent left superior vena cava, are rare. However, their presence is often associated with other cardiac anomalies, and may lead to lethal ventricular tachyarrhythmias, which result in sudden cardiac death. Treating patients with these disorders can present a challenge to clinicians, as it may cause technical difficulties during interventional procedures, and more often, altered defibrillation techniques in a setting of prehospital sudden cardiac arrest. This report describes the first case of successful defibrillation therapy delivered by the wearable cardioverter defibrillator to a patient with dextrocardia and persistent left superior vena cava during a ventricular tachycardia arrest.

  8. Endovascular treatment of an iatrogenic superior vena cava perforation caused by the placement of a hemodialysis catheter: a case report

    Energy Technology Data Exchange (ETDEWEB)

    Kim, See Hyung; Kim, Young Hwan; Keum, Dong Yoon [Dongsan Medical Center, Keimyung University College of Medicine, Daegu (Korea, Republic of)

    2008-01-15

    The perforation of superior vena cava during the placement of a tunneled hemodialysis catheter, via the subclavian vein, is a rare complication, and is manifested by hemothorax or hemopericardium. The treatment of this complication requires an early diagnosis and open thoracic surgery. Herein, we report a patient with hemothorax due to the perforation of the superior vena cava during the placement of a tunneled hemodialysis catheter via the right subclavian vein which was successfully treated by embolization by way of a coil and histoacryl.

  9. Marcapasso bi-atrial epicárdico subxifóide na obstrução da veia cava superior Bi-atrial subxiphoid epicardial pacemaker in superior vena cava syndrome

    Directory of Open Access Journals (Sweden)

    Roberto Costa

    2006-10-01

    Full Text Available Um paciente portador de marcapasso definitivo bi-atrial-ventricular por fibrilação atrial paroxística e bradicardia sinusal, em uso crônico de anticoagulante oral, apresentou sinais clínicos da síndrome da veia cava superior. A venografia por subtração digital mostrou obstrução total do tronco braquiocefálico venoso direito e grande dificuldade de fluxo sangüíneo da veia inominada para a veia cava superior. A abordagem terapêutica constou da remoção completa do sistema transvenoso seguida de reimplante do sistema bi-atrial-ventricular por técnica epimiocárdica pela via subxifóide assistida por fluoroscopia.A patient with a bi-atrial-ventricular permanent pacemaker due to paroxystic atrial fibrillation associated to sinus bradycardia, in chronic use of oral anticoagulant, presented clinical signs of superior vena cava syndrome. Digital subtraction venography showed total obstruction of the right brachiocephalic venous trunk and severe stenosis of the connection of the left trunk to the superior vena cava. The therapeutic approach consisted of complete removal of transvenous system followed by re-implant of the bi-atrial-ventricular system using an epicardial subxiphoid access with fluoroscopic assistance

  10. Successful Venous Angioplasty of Superior Vena Cava Syndrome after Heart Transplantation

    Directory of Open Access Journals (Sweden)

    Thomas Strecker

    2014-01-01

    Full Text Available Introduction. For patients with terminal heart failure, heart transplantation (HTX has become an established therapy. Before transplantation there are many repeated measurements with a pulmonary artery catheter (PAC via the superior vena cava (SVC necessary. After transplantation, endomyocardial biopsy (EMB is recommended for routine surveillance of heart transplant rejection again through the SVC. Case Presentation. In this report, we present a HTX patient who developed a SVC syndrome as a possible complication of all these procedures via the SVC. This 35-year-old Caucasian male could be successfully treated by balloon dilatation/angioplasty. Conclusion. The SVC syndrome can lead to pressure increase in the venous system such as edema in the head and the upper part of the body and further serious complications like cerebral bleeding and ischemia, or respiratory problems. Balloon angioplasty and stent implantation are valid methods to treat stenoses of the SVC successfully.

  11. Catheter-directed Thrombolysis in Acute Superior Vena Cava Syndrome Caused by Central Venous Catheters.

    Science.gov (United States)

    Cui, Jie; Kawai, Tasuo; Irani, Zubin

    2015-01-01

    Indwelling central venous catheters have been reported to increase the risk of superior venous cava (SVC) syndrome. This case report describes the development of acute SVC syndrome in a 28-year-old woman with end-stage renal disease implanted with a left-side hemodialysis reliable outflow graft and a right-side double lumen hemodialysis catheter via internal jugular veins. Her symptoms were not alleviated after catheter removal and systemic anticoagulation therapy. She was eventually treated with catheter-directed thrombolysis and a predischarge computer tomographic venogram on postthrombolytic procedure day 7 showed patent central veins and patient remained asymptomatic. This case demonstrates that catheter-directed thrombolysis can be safely employed to treat refractory catheter-induced acute SVC syndrome in end-stage renal disease patients.

  12. Thrombosis caused by polyurethane double-lumen subclavian superior vena cava catheter and hemodialysis

    DEFF Research Database (Denmark)

    Wanscher, Maria Rørbæk; Frifelt, J J; Smith-Sivertsen, C;

    1988-01-01

    During an 18-month period, 82 consecutive patients (37 women and 45 men), with a mean age of 50 yr (range 15 to 74), underwent hemodialysis with 91 polyurethane double-lumen subclavian superior vena cava catheters inserted via the right subclavian vein. Upon catheter removal, venograms were...... performed in 53 which revealed thrombosis in 13. Autopsy performed in 13 other patients revealed thrombosis in three. Mean catheter duration was 27 days (range 1 to 138). Catheter duration was significantly (p less than .01) longer in the 16 cases complicated by thrombosis. There was no significant...... difference in the frequency of thrombosis between men and women. Two patients developed symptoms of subclavian vein occlusion after the creation of an arteriovenous fistula on the same side as a previous hemodialysis catheter. Overall, thrombosis was found in 23% and increased with longer catheter duration...

  13. Detection of Superior Vena Cava Obstruction on Dynamic 99mTc-DTPA Renal Transplant Scintigraphy

    Directory of Open Access Journals (Sweden)

    Elahe Pirayesh

    2016-02-01

    Full Text Available We present an asymptomatic patient with a history of prolonged hemodialysis through a right internal jugular vein catheter who was diagnosed with superior vena cava (SVC obstruction on 99mTechnetium-diethylenetriaminepentaacetic acid renal transplant scintigraphy. During the angiographic phase, an unusual vascular filling pattern was detected on the anterior view of the abdomen. Angioscintigraphic imaging of the chest wall was suggestive of SVC obstruction. The SVC obstruction in our patient was related to the long-term use of an indwelling catheter in the central venous system, which is a well-known complication of such a procedure. There is also evidence of a hypercoagulable state in dialyzed uremic cases; therefore, our patient may have been more susceptible to an SVC thrombosis. Acquired compensatory dilatation of the azygos vein is rather a rare finding. To the best of our knowledge, this is the first report describing an asymptomatic patient with SVC obstruction who was diagnosed by renal scintigraphy.

  14. Dramatic response of follicular thyroid carcinoma with superior vena cava syndrome and tracheal obstruction to external-beam radiotherapy

    Energy Technology Data Exchange (ETDEWEB)

    Wilford, M.R.; Chertow, B.S.; Lepanto, P.B.; Leidy, J.W. Jr. (Section of Endocrinology, Marshall University School of Medicine, Huntington, West Virginia (USA))

    1991-06-01

    We report a patient with follicular thyroid carcinoma progressing to superior vena cava (SVC) syndrome and tracheal obstruction despite multiple doses of radioactive iodine therapy but subsequently responding dramatically to external-beam radiotherapy (RT). Although RT is not considered to be the treatment of choice for follicular carcinoma, RT in our patient produced unequivocal improvement of SVC syndrome and tracheal obstruction.

  15. A RARE CASE OF EXTENSIVE THROMBOSIS OF INFERIOR VENA CAVA, PORTAL VEIN, SPLENIC VEIN AND SUPERIOR MESENTRIC VEIN

    Directory of Open Access Journals (Sweden)

    Giridhar

    2015-03-01

    Full Text Available While the most common presentation of venous thromboembolic disease is deep vein thrombosis (DVT or pulmonary thromboembolism, rarer manifestations are thrombosis of jugular vein, cerebral sinus and inferior vena cava. Here we are presenting a rare case of inferior vena caval thrombosis with multiple thrombus in portal vein, splenic vein and superior mesenteric vein

  16. Budd-Chiari syndrome: A case with a combination of hepatic vein and superior vena cava occlusion

    Institute of Scientific and Technical Information of China (English)

    Yoshio Araki; Chikara Sakaguchi; Izumi Ishizuka; Masaya Sasaki; Tomoyuki Tsujikawa; Shigeki Koyama; Akira Furukawa; Yoshihide Fujiyama

    2005-01-01

    We here report a recent, rare case of Budd-Chiari syndrome, associated with a combination of hepatic vein and superior vena cava occlusion. A young female, who had been ingood health, was admitted to our hospital because of massive ascites. The patient had used no oral contraceptives. Tests for coagulation disorders, hematological disorders, and antiphospholipid syndrome were all negative. BuddChiari syndrome was diagnosed by radiographic examination. The patient was suffering from a combination of hepatic vein and superior vena cava occlusion. In particular, the venous flow returned from the liver mainly through a right accessory hepatic vein, and stenosis was recognized at the orifice of this collateral vein into the vena cava.Subsequently, the patient underwent percutaneous balloon dilatation therapy for this stenosis. After this treatment, the massive ascites was gradually reduced, and she was discharged from our hospital. It has now been one year since discharge, and the patient has been doing well. If deteriorating liver function or intractable ascites occur again, a liver transplantation may be anticipated. This is the first case report of Budd-Chiari syndrome associated with a superior vena cava occlusion.

  17. Retrograde Tempofilter II{sup TM} Placement within the Superior Vena Cava in a Patient with Acute Upper Extremity Deep Venous Thrombosis: the Filter Stands on Its Head

    Energy Technology Data Exchange (ETDEWEB)

    Yim, Nam Yeol [The Armed Forces Yangju Hospital, Yangju (Korea, Republic of); Chang, Nam Kyu; Lim, Jae Hoon; Kim, Jae Kyu [Chonnam National University Hospital, Gwangju (Korea, Republic of)

    2011-02-15

    The Tempofilter II is a widely used temporary vena cava filter. Its unique design, which includes a long tethering catheter with a subcutaneous anchor, facilitates the deployment and retrieval of the device. Despite this, the Tempofi lter II has been used only in the inferior vena cava of patients with lower extremity deep venous thrombosis. In this article, we present a case of superior vena cava filtering using the Tempofilter II in patients with upper extremity deep venous thrombosis

  18. Dialysis catheter-related superior vena cava syndrome with patent vena cava: Long term efficacy of unilateral viatorr stent-graft avoiding catheter manipulation

    International Nuclear Information System (INIS)

    Central venous catheters are the most frequent causes of benign central vein stenosis. We report the case of a 79-year-old woman on hemodialysis through a twin catheter in the right internal jugular vein, presenting with superior vena cava (SVC) syndrome with patent SVC. The clinically driven endovascular therapy was conducted to treat the venous syndrome with a unilateral left brachiocephalic stent-graft without manipulation of the well-functioning catheter. The follow-up was uneventful until death 94 months later.

  19. Dialysis catheter-related superior vena cava syndrome with patent vena cava: Long term efficacy of unilateral viatorr stent-graft avoiding catheter manipulation

    Energy Technology Data Exchange (ETDEWEB)

    Quaretti, Pietro; Galli, Franco; Maramarco, Lorenzo Paplo; Corti, Riccardo; Leati, Giovanni; Fiorina, Ilaria; Maestri, Marcello [IRCCS Policlinico San Matteo Foundation, Pavia (Italy)

    2014-06-15

    Central venous catheters are the most frequent causes of benign central vein stenosis. We report the case of a 79-year-old woman on hemodialysis through a twin catheter in the right internal jugular vein, presenting with superior vena cava (SVC) syndrome with patent SVC. The clinically driven endovascular therapy was conducted to treat the venous syndrome with a unilateral left brachiocephalic stent-graft without manipulation of the well-functioning catheter. The follow-up was uneventful until death 94 months later.

  20. Implanted central venous catheter-related acute superior vena cava syndrome: management by metallic stent and endovascular repositioning of the catheter tip

    Energy Technology Data Exchange (ETDEWEB)

    Qanadli, S.D.; Mesurolle, B.; Sissakian, J.F.; Chagnon, S.; Lacombe, P. [Service de Radiologie, Hopital Ambroise Pare, 92 - Boulogne (France)

    2000-08-01

    We describe a case of a 49-year-old woman with stage-IIIB lung adenocarcinoma who experienced an acute superior vena cava syndrome related to an implanted central venous catheter without associated venous thrombosis. The catheter was surgically implanted for chemotherapy. Superior vena cava syndrome appeared after the procedure and was due to insertion of the catheter through a subclinical stenosis of the superior vena cava. Complete resolution of the patient's symptoms was obtained using stent placement and endovascular repositioning of the catheter tip. (orig.)

  1. Superior Vena Cava Obstruction in Hemodialysis Patients: Symptoms, Clinical Presentation and Outcomes Compared to Other Etiologies.

    Science.gov (United States)

    Siegel, Yoel; Kuker, Russ

    2016-08-01

    The incidence of superior vena cava (SVC) obstruction associated with non-malignant diseases is on the rise, and a large percentage of these patients are on hemodialysis (HD). The objective was to characterize the presentation, symptoms and outcomes of HD patients with SVC obstruction identified on computerized tomography (CT) compared to patients with other etiologies such as neoplasm. A search was performed through the PACS system using key words to identify patients with SVC obstruction. The CT scans and charts were reviewed for degree of obstruction, signs, symptoms and outcomes. Thirty-six patients were included in the study. Thirteen were on HD and of these, five had symptoms associated with SVC obstruction and one had concordant findings on physical exam. In comparison, thirteen patients with a chest neoplasm had symptoms and four had concordant findings on physical exam. On follow up, 31% of the HD patients died and of these 60% were symptomatic and died within 2 years. 29% of lung cancer patients died within 16 months. The majority of the HD patients had complete SVC obstruction (85%) as opposed to those with a chest neoplasm who mostly had partial SVC occlusion (67%). In conclusion, patients on HD with SVC obstruction are less often symptomatic than those with a neoplasm. However, these HD patients had a death rate similar to the patients with cancer. This risk seems to increase in those who are symptomatic. Diagnosis of SVC obstruction by CT in HD patients may help identify those with less favorable prognosis.

  2. Endovascular recanalization of superior vena cava,brachiocephalic, and subclavian venous occlusions caused by nonmalignant lesions

    Institute of Scientific and Technical Information of China (English)

    YE Meng; SHI Ya-xue; HUANG Xiao-zhong; ZHAO Yi-ping; ZHANG Hao; ZHANG Ji-wei

    2012-01-01

    Background Endovascular recanalization (EVR) is becoming the primary therapy for patients with central venous (brachiocephalic,subclavian,and superior vena cava) occlusion (CVO) caused by benign etiology.In this study,we retrospectively analyzed our experience in using EVR to treat benign CVO in 10 patients between April 2005 and September 2010.Methods The mean age of the patients was 65.3 years,2/10 cases were female,and the origin of cause of CVO in 7/10 cases was the hemodialysis access in the upper extremity.The patients were treated with primary stent placement and evaluated with immediate technical success rate and post-interventional patency rate after the procedure.Results Eight patients were treated successfully with stent placement and experienced symptomatic relief immediately.No technical complications were observed during EVR treatment.Patients were followed up by ultrasonography and venography.Median follow-up was 13 months,Three patients required secondary procedures to maintain patency.Conclusions EVR is an effective and safe treatment in patients with benign CVO.It provides immediate symptom relief and maintains a continuous access for hemodialysis.

  3. Mesothelioma with superior vena cava obstruction in young female following short latency of asbestos exposure

    Directory of Open Access Journals (Sweden)

    Anupam Patra

    2015-01-01

    Full Text Available An 18 years female was admitted with right-sided chest pain, dry cough, and low-grade fever and weight loss for last 1 month. On examination, patient had features of superior vena cava (SVC syndrome with right-sided pleural effusion. Chest X-ray showed mediastinal widening with nonhomogenous opacity mainly in the periphery of right upper and mid zone with right-sided pleural effusion. Ultrasonography thorax confirmed mild pleural effusion. Pleural fluid analysis showed lymphocytic, exudative, low adenosine deaminase with negative for Pap smear. Contrast-enhanced computed tomography (CT thorax revealed large extensive nodular soft tissue lesion along right mediastinum as well as costal pleura, with enlarged pretracheal lymphadenopathy and SVC obstruction. CT guided Tru-cut biopsy report came as malignant epithelial tumor with polygonal shape, abundant eosinophilic cytoplasm and nuclei with prominent nucleoli suggestive of mesothelioma of epithelioid type. The tumor cell expressed calretinin, WT-1, and immunonegative for thyroid transcription factor-1.

  4. Catheterobronchial fistula due to vena cava superior thrombosis as a late complication of ventriculoatrial shunt.

    Science.gov (United States)

    Parízek, J; Nytra, T; Zemánková, M; Eliás, P; Sercl, M; Nĕmecková, J; Jakubec, J

    1994-09-01

    A case of a catheterobronchial fistula as a rare late complication of a ventriculoatrial shunt is reported. The ventriculoatrial shunt was implanted in a 4-month-old boy suffering from extreme postinfectious hydrocephalus. During the following years, twelfth nerve palsy on the right, vertebralgias, and salty taste sensations in the mouth associated with intermittent coughing and swelling of the neck and supraclavicular region on the right side developed. Valvography established a diagnosis of fistula 12 years after the implantation of a shunt. Ultrasonography of the neck and mediastinum and contrast-enhanced dynamic computed tomographic scanning demonstrated a catheterobronchial fistula to the subsegmental bronchus of the anterior segment of the right upper lung lobe, a thrombosis of the right internal jugular and both right and left brachiocephalic veins and the superior vena cava, and an extensive collateral venous system mainly draining into the azygos vein. Normalization of cerebrospinal fluid and blood flow and pressure allowed extraction of the "atrial" catheter without complications. One year after surgery the boys is in good health and without signs of shunt dependence. PMID:7842439

  5. Superior Vena Cava Syndrome due to Thrombosis: A Rare Paraneoplastic Presentation of Bronchogenic Carcinoma

    Directory of Open Access Journals (Sweden)

    Avradip Santra

    2016-07-01

    Full Text Available Superior vena cava (SVC syndrome is not an uncommon occurrence in patients with malignancy and it is often described as a medical emergency. In majority of the cases, SVC syndrome occurs due to mechanical obstruction of the SVC by extraluminal compression with primary intrathoracic malignancies. However, intraluminal obstruction due to thrombosis can also produce symptoms and signs of SVC syndrome. Clot-related SVC obstruction is mostly associated with indwelling central venous catheter and pacemaker leads, although such thrombosis can occur spontaneously in a background of a hypercoagulable state, e.g., malignancy. Here, an unusual case of sudden onset SVC syndrome has been reported, which on initial radiologic evaluation was found to have a lung nodule without any significant mediastinal mass or adenopathy compressing SVC. Subsequent investigation with Doppler ultrasonography of the neck showed thrombosis in the right internal jugular, right subclavian and right brachiocephalic vein, which was responsible for SVC syndrome. Histopathological evaluation of lung nodule confirmed presence of an adenocarcinoma. Therefore, venous thromboembolism as a paraneoplastic syndrome should be kept in mind while evaluating a case of SVC obstruction in a cancer patient. Management of the underlying disease is of prime importance in such cases and anticoagulation is the mainstay of therapy. Ability to identify paraneoplastic syndrome may have a significant effect on clinical outcome, ranging from early diagnosis to improved quality of life of the patient.

  6. Long-term success of endovascular treatment of benign superior vena cava occlusion with chylothorax and chylopericardium

    Energy Technology Data Exchange (ETDEWEB)

    Veroux, Pierfrancesco; Veroux, Massimiliano; Bonanno, Maria Giovanna; Tumminelli, Maria Giuseppina [Department of Surgery and Transplantation, University Hospital, Via S. Sofia, 78, 95123 Catania (Italy); Baggio, Elda [Department of Surgery and Gastroenterological Sciences, University Hospital of Verona (Italy); Petrillo, Giuseppe [Department of Radiology, University Hospital, Via S. Sofia, 78, 95123 Catania (Italy)

    2002-07-01

    The most likely etiology of benign obstruction of the superior vena cava (SVC) include fibrosing mediastinitis and iatrogenic etiologies such as sclerosis and obstruction caused by pacemakers and central venous catheter. Percutaneous stenting of SVC has been used with success both in malignant and benign superior vena cava syndrome; however, long-term follow-up of endovascular procedures is not well known. We present a case of a patient with complete occlusion of SVC of benign etiology, presenting dramatically with bilateral chylothorax and chylopericardium with cardiac tamponade, who underwent successful vena caval revascularization with thrombolytic therapy and placement of self-expanding metallic stent. The 42-month follow-up could encourage endovascular procedures even in SVC syndrome of benign etiology. (orig.)

  7. Innominate vein-right atrial bypass for relief of superior vena cava syndrome due to pacemaker lead thrombosis.

    Science.gov (United States)

    Deo, Salil V; Burkhart, Harold M; Araoz, Philip A; Brady, Peter A

    2010-11-01

    We present a patient with superior vena cava (SVC) obstruction due to multiple intraluminal pacemaker leads. Previous attempts at balloon dilatation of the SVC and surgical angioplasty did not provide a long-term solution. A Gore-Tex (W. L. Gore & Associates, Flagstaff, AZ, USA) conduit interposed between the innominate vein and right atrial appendage has resulted in symptomatic relief at a follow-up of 6 months. PMID:21039859

  8. Electrophysiological characteristics of paroxysmal atrial fibrillation originating from superior vena cava: a clinical analysis of 30 cases

    OpenAIRE

    Shi, Xiang-min; YUAN, HONG-TAO; Guo, Hong-Yang; Guo, Jian-Ping; Shan, Zhao-Liang; Wang, Yu-tang

    2015-01-01

    To analyze characteristics of electrocardiogram (ECG), electrophysiological intracardiac mapping and radiofrequency ablation (RF) of paroxysmal atrial fibrillation (PAF) originating from superior vena cava (SVC), aiming to investigate electrophysiological characteristics of PAF with SVC origin. Clinical data of 30 subjects (18 men and 12 women, aged, 58.6 ± 15.5 years) with PAF of SVC origin were retrospectively analyzed; All patients underwent RF during 2006.9-2012.7. ECG of AF and atrial pr...

  9. Persistent left superior vena cava draining to the left atrium: A case report and review of the literature

    International Nuclear Information System (INIS)

    Persistent left superior vena cava is a rare but important congenital vascular anomaly. However, PLSVC with absent RSVC (isolated PLSVC) is a very rare venous malformation We report on a rare case of persistent left superior vena cava (PLSVC) with absent right superior vena cava (RSVC). This venous malformation was identified incidentally in a 69-year-old woman during chest multi-detector computed tomography (MDCT). On chest MDCT, the SVC was noted on the left side. A bridging vein drained the right jugular and right subclavian veins and joined the left brachiocephalic vein in order to form the PLSVC, which descended on the left side of the mediastinum and drained into the left atrium (LA). The patient had no additional cardiac anomaly. Isolated PLSVC is usually asymptomatic but it can pose difficulties for establishing central venous access, pacemaker implantation and cardiothoracic surgery. This condition is also associated with an increased incidence of congenital heart disease, arrhythmias and conduction disturbances. A wide spectrum of clinicians should be aware of this anomaly, its variations and possible complications

  10. Macro-reentrant atrial tachycardia conducting through a left superior vena cava after catheter ablation in a patient with paroxysmal atrial fibrillation.

    Science.gov (United States)

    Kurotobi, Toshiya; Kino, Naoto; Tonomura, Daisuke; Shimada, Yoshihisa

    2015-01-01

    A left superior vena cava can be a cause of cardiac rhythm or conduction abnormalities, and can also be the arrhythmogenic source of atrial fibrillation (AF) with connections to the coronary sinus and left atrium. In the present study, we report a case with a macro re-entrant atrial tachycardia that coursed through the left superior vena cava after a previous AF ablation, which successfully ablated paroxysmal AF.

  11. Radiation dose is associated with prognosis of small cell lung cancer with superior vena cava syndrome

    Science.gov (United States)

    Wang, Zhen-Bo; Ning, Fang-Ling; Wang, Xiao-Le; Cheng, Yu-Feng; Dong, Xin-Jun; Liu, Chang-Min; Chen, Shao-Shui

    2015-01-01

    Approximately 10% of small cell lung cancer (SCLC) cases develop superior vena cava syndrome (SVCS). Many SCLC patients with SVCS have relatively limited disease, requiring curative rather than palliative treatment. Besides chemotherapy, radiotherapy is important for treating SCLC with SVCS. We retrospectively evaluated the influence of radiotherapy dose on the prognosis of 57 patients with SCLC with SVCS treated with concurrent chemoradiotherapy. The mean biological equivalent radiation dose was 71.5 Gy. We administered etoposide/cisplatin as sequential and concurrent chemotherapy. All patients received at least one cycle of concurrent chemotherapy. All patients had partial or complete response; SVCS-associated symptoms were reduced in 87.7% (50/57) of patients within 3-10 days after treatment. Radiation dose did not affect 2-year local control (74.2% vs. 80.8%). Patients who received high-dose radiation had a lower 2-year overall survival rate than those who received low-dose radiation (11.6 vs. 33%; P = 0.024). The high dose group median survival was 15.0 months (95% confidence interval [CI]: 11.2-19.0) compared with 18.7 months (95% CI: 13.9-23.6) in the low dose group. Grade 3/4 neutropenia occurred in 22/26 high dose patients (84.6%) and 21/31 low dose patients (67.7%). In the high dose group, 30.8% of patients had grade 3/4 esophagitis compared with 19.4% of low dose patients. Only 29.0% of low dose patients received < 4 cycles of chemotherapy in the first 12 weeks after treatment began compared with 46.2% of high dose patients. Concurrent chemoradiotherapy is a tolerable modality for treating stage IIIA/IIIB SCLC with SVCS. Moderate-dose radiotherapy is preferable. PMID:26064339

  12. Resection of the sidewall of superior vena cava using video-assisted thoracic surgery mechanical suture technique

    Science.gov (United States)

    Xu, Xin; Qiu, Yuan; Pan, Hui; Mo, Lili; Chen, Hanzhang

    2016-01-01

    Lung cancer invading the superior vena cava (SVC) is a locally advanced condition, for which poor prognosis is expected with conservative treatment alone. Surgical resection of the lesion can rapidly relieve the symptoms and significantly improve survival for some patients. Replacement, repair and partial resection of SVC via thoracotomy were generally accepted and used in the past. As the rapid development of minimally invasive techniques and devices, partial resection and repair of SVC are feasible via video-assisted thoracic surgery (VATS). However, few studies have reported the VATS surgical techniques. In this study, we reported the crucial techniques of partial resection of SVC via VATS. PMID:27076960

  13. Therapeutic approach to "downhill" esophageal varices bleeding due to superior vena cava syndrome in Behcet's disease: a case report

    Directory of Open Access Journals (Sweden)

    Haghighi Mahshid

    2006-12-01

    Full Text Available Abstract Background One of the rare presentations of superior vena cava syndrome is bleeding of "downhill" esophageal varices (DEV and different approaches have been used to control it. This is a case report whose DEV was eradicated by band ligation for the first time. Case presentation We report a 42-year-old man who is a known case of Behcet's disease. The patient's first presentation was superior vena cava syndrome due to thrombosis followed by bipolar ulcers and arthralgia. He received warfarin, prednisolone and azathioprine. The clinical course of the patient was complicated by one episode of hematemesis without abdominal pain when the patient's PT was in therapeutic range. After resuscitation and correction of PT with fresh frozen plasma transfusion, upper gastrointestinal endoscopy was done. Prominent varices were seen in the upper third of the esophagus, tapering to the middle part without acute bleeding. Stomach and duodenum were normal. Color ultrasonography evaluation of the portal, hepatic and splenic veins was negative for thrombosis. Band ligation was done and the patient's bleeding did not recur. Conclusion Band ligation is a safe and effective method for controlling DEV bleeding in patients with uncorrectable underlying disorders.

  14. Pulmonary Hilar Lymph Node Metastasis of Breast Cancer Induced Bronchopleural Fistula and Superior Vena Cava Syndrome

    OpenAIRE

    Nishinari, Yutaka; Kashiwaba, Masahiro; UMEMURA, Akira; Komatsu, Hideaki; Sasaki, Akira; Wakabayashi, Go

    2014-01-01

    Patient: Female, 56 Final Diagnosis: Broncho-pleural fistula • empyema • supra-vena cava syndrome Symptoms: Dyspnea • fever • facial edema Medication: — Clinical Procedure: — Specialty: Oncology and Pulmonology Objective: Unusual clinical course Background: It is extremely rare for pulmonary hilar lymph node metastasis (PHLNM) of a cancer to be independently lethal. Here, we report an exceedingly rare case of cavitation in PHLNM from breast cancer triggering bronchopleural fistula and empyema...

  15. Focal Hepatic Hot Spot From Superior Vena Cava Occlusion Visualized on Ventilation/Perfusion Scintigraphy With Contrast-Enhanced CT Correlate.

    Science.gov (United States)

    Lawrence, Michael; Schuster, David M

    2016-05-01

    A 57-year-old woman with superior vena cava stenosis from repeated central line placements underwent ventilation/perfusion scanning after presenting with pleuritic chest pain. The ventilation/perfusion scan was not characteristic for pulmonary embolus, but perfusion images demonstrated abnormal radiotracer activity within hepatic segment 4, along with extensive collateral vessels as seen on SPECT/CT. Two months later, the patient presented with similar complaints and had a chest CT with contrast to evaluate for pulmonary embolus. This showed occlusion of the superior vena cava and arterial enhancement within segment 4 in a similar distribution to the radiotracer in the perfusion scan. PMID:26825208

  16. Thrombosis of the superior vena cava and auxiliary branches in patients with indwelling catheterization of the internal jugular vein

    Institute of Scientific and Technical Information of China (English)

    LI Han; WANG Shi-xiang; WANG Wei; XU Chen; SHEN Shen; YU Ling; ZHANG Gui-zhi

    2009-01-01

    Background Central venous thrombosis is a serious and life-threatening complication in hemodialysis (HD) patients with an indwelling catheter. The present study aimed to investigate the prevalence and characteristics of thrombosis of the superior vena cava and auxiliary branches in Chinese HD patients with an indwelling internal jugular venous catheter and to explore its risk factors.Methods Fifty-four patients on maintenance hemodialysis (MHD) with an indwelling catheter were enrolled in this cross-sectional study. The thrombosis of the internal jugular vein, subclavical vein, brachiocephalic vein and superior vena cava was assessed by vascular ultrasound. Collected were data on age, gender, ultrafiltration volume, Kt/V, blood pressure, levels of hemoglobin, serum albumin, lipid, calcium, and phosphorus, and parathyroid hormone.Results The patients were given short- or long-term double lumen central venous catheters. Among them, 42 patients had the catheter placed into the right internal jugular vein, and 12 patients into the left internal jugular vein. Different degrees of central venous thrombosis were found in 33 patients (61.1%). The prevalence of thrombosis in the jugular vein, brachiocephalic vein, subclavical vein and superior vena cava was 61.1% (33/54), 44.4% (24/54), 16.7% (9/54) and 5.6% (3/54), respectively. Among the 33 HD patients with central venous thrombosis, the percentages for one, two, three and four affected veins were 27.3% (9/33), 45.4% (15/33), 18.2% (6/33) and 9.1% (3/33), respectively. Twelve (12/33, 36.4%) of the 33 HD patients with central venous thrombosis had clinical symptoms. Nine patients (27.3%) had edema of the upper extremity and 3 (9.1%) had new-onset symptoms of pulmonary embolism such as cough, chest distress and short breath. The incidences of diabetes mellitus and malignant tumor and levels of lipoprotein a and homocysteic acid were significantly higher in the HD patients with central venous thrombosis than in those without

  17. Massive catheter-related thrombosis of vena cava superior protruding into the right atrium in a hemodialysis patient.

    Science.gov (United States)

    Mach, Lukas; Ondruskova, Olga; Nemec, Petr; Orban, Marek

    2015-10-01

    A 36-year-old man with chronic renal insufficiency secondary to type 1 diabetes mellitus was on hemodialysis via central venous catheter (CVC), newly placed into the right subclavian vein after his arteriovenous fistula became dysfunctional. Seven days after CVC insertion, the patient developed fever and on day 11 echocardiography showed a large nearly occluding thrombus in the superior vena cava (SVC) extending into the right atrium (RA). Emergency surgical thrombectomy was successfully performed and an 11 cm long thrombus extending from the RA cranially into the SVC occupying majority of the vein's lumen was removed. Cultures from the thrombus and CVC were negative, but polymerase chain reaction was positive for Staphylococcus aureus. This particular case was interesting for a marked discrepancy between large SVC occluding thrombosis and a relatively mild clinical presentation with fever, and it highlights the importance of correct timing of echocardiography exam which might prevent potentially fatal consequences such as pulmonary embolism. PMID:25645521

  18. Treatment of a coronary artery to superior vena cava fistula resulting from early closure of a Possis Perma-Flow graft.

    Science.gov (United States)

    Graham, M M; Kells, C M; Sullivan, J; O'Neill, B J

    1999-06-01

    The Perma-Flow graft used in bypass surgery achieves more complete revascularization when paucity of native conduits exists. We report a coronary artery to superior vena cava fistula as a complication of this graft, leading to severe right heart failure. The fistula was successfully occluded percutaneously, improving the patient's clinical situation.

  19. Primary Mediastinal Synovial Sarcoma Presenting as Superior Vena Cava Syndrome: A Rare Case Report and Review of the Literature

    Directory of Open Access Journals (Sweden)

    Irappa Madabhavi

    2015-01-01

    Full Text Available Primary mediastinal sarcomas are aggressive tumors with a very rare incidence. This report describes the case of a 35-year-old male patient who presented with acute symptoms of dyspnoea, facial puffiness, voice-hoarseness, and engorged neck veins. With the clinical picture consistent with the superior vena cava (SVC syndrome, the patient was investigated with computed tomography of the chest. This revealed a large soft tissue density mass lesion compressing the SVC along with other critical superior mediastinal structures. Histopathological evaluation of the mass revealed features consistent with a soft tissue sarcoma and positive staining was observed for vimentin and S-100. Cytogenetic analysis by fluorescent in situ hybridisation (FISH demonstrated the t(X:18 translocation. Thus diagnosis was established as primary mediastinal synovial sarcoma. Patient was treated with three cycles of neoadjuvant chemotherapy, to which there was a partial response as per the RECIST criteria. Surgical excision of the mediastinal mass was performed, and further postoperative treatment with adjuvant chemoradiotherapy was provided. Patient currently is free of disease. This is to the best of our knowledge the first report in the world literature of a successfully treated case of “primary mediastinal sarcomas presenting as SVC syndrome.” Patient is under regular surveillance at our clinic and remains free of recurrence one year after treatment completion.

  20. The characteristics of action potential and nonselec-tive cation current of cardiomyocytes in rabbit superior vena cava

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    As a special focus in initiating and maintaining atrial fibrillation (AF), cardiomyocytes in superior vena cava (SVC) have distinctive electrophysiological characters. In this study, we found that comparing with the right atrial (RA) cardiomyoctyes, the SVC cardiomyoctyes had longer APD90 at the different basic cycle lengths; the conduction block could be observed on both RA and SVC cardiomyoctyes. A few of SVC cardiomyoctyes showed slow response action potentials with automatic activity and some others showed early afterdepolarization (EAD) spontaneously. Further more, we found that there are nonselective cation current (INs) in both SVC and RA cardiomyocytes. The peak density of INs in SVC cardiomyocytes was smaller than that in RA cardiomyocytes. Removal of extracellular divalent cation and glucose could increase INs in SVC cardiomyocytes. The agonist or the antagonist of INs may in-crease or decrease APD. To sum up, some SVC cardiomyocytes possess the ability of spontaneous activity; the difference of transmembrane action potentials between SVC and RA cardiomyocytes is partly because of the different density of INs between them; the agonist or the antagonist of INs can in-crease or decrease APD leading to the enhancement or reduction of EAD genesis in SVC cardiomyo-cytes. INs in rabbit myocytes is fairly similar to TRPC3 current in electrophysiological property, which might play an important role in the mechanisms of AF.

  1. Percutaneous transluminal angioplasty in a patient with chronic cerebrospinal venous insufficiency and persistent left superior vena cava.

    Science.gov (United States)

    Lupattelli, T; Benassi, F; Righi, E; Bavera, P; Bellagamba, G

    2014-04-01

    Chronic cerebrospinal venous insufficiency (CCSVI) is a syndrome characterized by stenoses of the internal jugular veins (IJVs) and/or azygos veins and formation of collateral venous channels. A case of a 57-year-old patient with CCSVI in whom the venous outflow from the left IJV to the right atrium occurred through a venous anomaly, the persistent left superior vena cava (PLSVC), is reported. PLSVC is caused by persistence of the left anterior cardinal vein that drains blood from the limb effluent from the left and the left side of head and neck into coronary sinus (Type a), or in the left atrium (Type b). PLSVC can be associated either with innominate vein hypoplasia or other congenital heart abnormalities. Because of evidence of left innominate vein hypoplasia, angioplasty was not performed using the ordinary route but passing with the balloon directly through the PLSVC up to the left IJV. Finally, angioplasty was carried out in a standard manner in the right IJV as well as in the azygous vein. Confirmation angiogram revealed complete reopening of all treated vessels with no evidence of peri- and postoperative complications. The patient was discharged home the following day in good general conditions. PLSVC is a rare congenital vein anomaly but in case of concomitant innominate vein hypoplasia may prove to be a valuable alternative to treat patients with IJV diseases.

  2. Proton beam therapy for a patient with a giant thymic carcinoid tumor and severe superior vena cava syndrome

    Directory of Open Access Journals (Sweden)

    Kaori Sugawara

    2014-05-01

    Full Text Available Surgical resection is the first choice for treatment of a thymic carcinoid tumor and radiotherapy is often performed as adjuvant therapy. Here, we report a case of an unresectable and chemoresistant thymic carcinoid tumor that was treated successfully using standalone proton beam therapy (PBT. The patient was a 66-year-old woman in whom surgical resection of the tumor was impossible because of cardiac invasion. Therefore, chemotherapy was administered. However, the tumor grew to 15 cm in diameter and she developed severe superior vena cava (SVC syndrome. She was referred to our hospital and received PBT at a dose of 74 GyE in 37 fractions. PBT was conducted without severe early toxicities. After PBT, the tumor mildly shrunk to 13 cm in diameter and SVC syndrome almost disappeared. Subsequently, the tumor has continued to decrease in size slowly over the last 2 years and late toxicities have not been observed. Our experience with this case suggests that PBT may be effective for an unresectable thymic carcinoid tumor.

  3. The Incidental Finding of a Persistent Left Superior Vena Cava: Implications for Primary Care Providers—Case and Review

    Directory of Open Access Journals (Sweden)

    Loren Garrison Morgan

    2015-01-01

    Full Text Available Persistent left superior vena cava (PLSVC is the most common thoracic venous anomaly and is a persistent congenital remnant of the vena caval system from early cardiac development. Patients with congenital anomalous venous return are at increased risk of developing various cardiac arrhythmias, due to derangement of embryologic conductive tissue during the early development of the heart. Previously this discovery was commonly made during the placement of pacemakers or defibrillators for the treatment of the arrhythmias, when the operator encountered difficulty with proper lead deployment. However, in today’s world of various easily obtainable imaging modalities, PLSVC is being discovered more and more by primary care providers during routine testing or screening for other ailments. Given the known association between anomalous venous return and the propensity for cardiac arrhythmias, we review the embryology of PLSVC and the mechanisms by which it leads to conduction abnormalities. We also provide the practitioner with recommendations for certain baseline cardiac observations and suggestions for proper surveillance in hopes that better understanding will reduce unnecessary and potentially harmful testing, premature subspecialty referral, and unneeded patient anxiety.

  4. Advanced Stage T-Cell Non-Hodgkin lymphoma in an 11-Month-Old Infant and Related Superior Vena Cava Syndrome: Importance of Transthoracic Echocardiography.

    Science.gov (United States)

    Yilmaz, Osman; Karabag, Kezban; Keskin Yildirim, Zuhal; Calik, Muhammet; Kilic, Omer

    2014-01-01

    Superior vena cava syndrome (SVCS) is rare in infants. Non-Hodgkin lymphoma is the most common cause of SVCS in children. Swelling in the face and neck are the most common clinical symptoms associated with this syndrome. However, these clinical findings are also observed in allergic diseases, which therefore often leads to misdiagnosis. Here, we reported the importance of echocardiography in diagnosing SVCS in an infant with advanced stage non-Hodgkin lymphoma. PMID:24639614

  5. Advanced Stage T-Cell Non-Hodgkin lymphoma in an 11-Month-Old Infant and Related Superior Vena Cava Syndrome: Importance of Transthoracic Echocardiography

    OpenAIRE

    YILMAZ, Osman; KARABAG, Kezban; KESKIN YILDIRIM, Zuhal; CALIK, Muhammet; KILIC, Omer

    2014-01-01

    Superior vena cava syndrome (SVCS) is rare in infants. Non-Hodgkin lymphoma is the most common cause of SVCS in children. Swelling in the face and neck are the most common clinical symptoms associated with this syndrome. However, these clinical findings are also observed in allergic diseases, which therefore often leads to misdiagnosis. Here, we reported the importance of echocardiography in diagnosing SVCS in an infant with advanced stage non-Hodgkin lymphoma.

  6. The characteristics of action potential and nonselective cation current of cardiomyocytes in rabbit superior vena cava

    Institute of Scientific and Technical Information of China (English)

    WANG Pan; YANG XinChun; LIU XiuLan; BAO RongFeng; LIU TaiFeng

    2008-01-01

    As s special focus in initiating and maintaining atrial fibrillation (AF), cardiomyocytes in superior vena cavs (SVC) have distinctive electrophysiological characters. In this study, we found that comparing with the right atrial (RA) cardiomyoctyes, the SVC cardiomyoctyes had longer APD90 at the different basic cycle lengths; the conduction block could be observed on both RA and SVC cardiomyoctyes. A few of SVC cardiomyoctyes showed slow response action potentials with automatic activity and some others showed early afterdepolarization (EAD) spontaneously. Further more, we found that there are nonselective cation current (INs) in both SVC and RA cardiomyocytes. The peak density of INs in SVC cardiomyocytes was smaller than that in RA cardiomyocytes. Removal of extracellular divalent cation and glucose could increase INs in SVC cardiomyocytes. The agonist or the antagonist of INs may increase or decrease APD. To sum up, some SVC cardiomyocytes possess the ability of spontaneous activity; the difference of transmembrane action potentials between SVC and RA cardiomyocytes is partly because of the different density of INs between them; the agonist or the antagonist of INs can increase or decrease APD leading to the enhancement or reduction of EAD genesis in SVC cardiomyocytes. INs in rabbit myocytes is fairly similar to TRPC3 current in electrophysiological property, which might play an important role in the mechanisms of AF.

  7. Cerebral tissue oxygenation index and superior vena cava blood flow in the very low birth weight infant.

    LENUS (Irish Health Repository)

    Moran, M

    2012-02-01

    BACKGROUND: Superior vena cava (SVC) flow assesses blood flow from the upper body, including the brain. Near infrared spectroscopy (NIRS) provides information on brain perfusion and oxygenation. AIM: To assess the relationship between cerebral tissue oxygenation index (cTOI) and cardiac output measures in the very low birth weight (VLBW) infant in the first day of life. METHODS: A prospective observational cohort study. Neonates with birth weight less than 1500 g (VLBW) were eligible for enrollment. Newborns with congenital heart disease, major congenital malformations and greater than Papile grade1 Intraventricular Haemorrhage on day 1 of life were excluded. Echocardiographic evaluation of SVC flow was performed in the first 24 h of life. Low SVC flow states were defined as a flow less than 40 mL\\/kg\\/min. cTOI was measured using NIRO 200 Hamamatsu. RESULTS: Twenty-seven VLBW neonates had both echocardiography and NIRS performed. The median (range) gestation was 29\\/40 (25 + 3 to 31 + 5 weeks) and median birth weight was 1.2 kg (0.57-1.48 kg). The mean (SD) TOI was 68.1 (7.9)%. The mean (SD) SVC flow was 70.36(39.5) mLs\\/kg\\/min. The correlation coefficient of cerebral tissue oxygenation and SVC flow was r = 0.53, p-value 0.005. There was a poor correlation between right and left ventricular output and cTOI which is not surprising considering the influence of intra- and extracardiac shunts. CONCLUSION: There is a positive relationship between cerebral TOI values and SVC flow in the very low birth infant on day one of life.

  8. Serum cortisol values, superior vena cava flow and illness severity scores in very low birth weight infants.

    LENUS (Irish Health Repository)

    Miletin, J

    2012-02-01

    OBJECTIVE: Recent evidence suggests that high cortisol concentrations are associated with increased morbidity and mortality in very low birth weight (VLBW) infants. Neonatal illness severity and mortality risk scores are reliable in predicting morbidity and mortality. The objectives were (i) to assess the correlation between serum cortisol levels and clinical assessment of multi-organ dysfunction\\/illness severity scores (CRIB II, SNAPPE-II and neonatal multiple organ dysfunction score (NEOMOD)) in first 24 h in VLBW infants and (ii) to assess the relationship between surrogates of end organ blood flow and serum cortisol levels. STUDY DESIGN: A prospective observational cohort study. Neonates with birth weight <1500 g were eligible for enrollment. Echocardiography evaluation of superior vena cava (SVC) flow was carried out in the first 24 h life. Cortisol levels were measured simultaneously and appropriate clinical scores were calculated. RESULT: A total of 54 VLBW neonates were enrolled following parental consent. Two patients were excluded because of congenital malformations. In 14 babies the cortisol value was not simultaneously obtained. The mean birth weight was 1.08 kg, mean gestational age was 27.8 weeks. There was a significant correlation between cortisol and NEOMOD score (P=0.006). There was no correlation between cortisol and CRIB II score (P=0.34), SVC flow (P=0.49) and mean arterial blood pressure respectively (P=0.35). CONCLUSION: There was no correlation between SVC flow and cortisol values or between cortisol and mean blood pressure values. There was a significant correlation between cortisol levels and neonatal organ dysfunction score evaluated suggesting that stressed VLBW infants do mount a cortisol response.

  9. Electrophysiological characteristics of paroxysmal atrial fibrillation originating from superior vena cava: a clinical analysis of 30 cases.

    Science.gov (United States)

    Shi, Xiang-Min; Yuan, Hong-Tao; Guo, Hong-Yang; Guo, Jian-Ping; Shan, Zhao-Liang; Wang, Yu-Tang

    2015-01-01

    To analyze characteristics of electrocardiogram (ECG), electrophysiological intracardiac mapping and radiofrequency ablation (RF) of paroxysmal atrial fibrillation (PAF) originating from superior vena cava (SVC), aiming to investigate electrophysiological characteristics of PAF with SVC origin. Clinical data of 30 subjects (18 men and 12 women, aged, 58.6 ± 15.5 years) with PAF of SVC origin were retrospectively analyzed; All patients underwent RF during 2006.9-2012.7. ECG of AF and atrial premature contractions (APCs), procedure and fluoroscopic time, numbers of ablation sites within SVC, complications and success rate were studied. Compared with P wave of sinus rhythm (SR), APCs of SVC origin exhibited higher amplitude in lead II (0.23 ± 0.11 vs. 0.15 ± 0.06 mv), III (0.19 ± 0.09 vs. 0.13 ± 0.08 mv), AVF (0.21 ± 0.13 vs. 0.14 ± 0.10 mv), V2 (0.24 ± 0.07 vs. 0.15 ± 0.09 mv) and V3 (0.21 ± 0.09 vs. 0.12 ± 0.05 mv) (P atrial flutter within 1 month after completion of ablation and were controlled by antiarrhythmic drugs. The APCs and AF of SVC origin manifested distinctive ECG features, which could be helpful to distinguish SVC from other foci before ablation, the completion of SVCI required shorter procedure and fluoroscopic time, as well as less ablation points, and meanwhile, the success rate was high with less complication. PMID:25784993

  10. Replacement of Superior Vena Cava in the Treatment of Chest Tumor%上腔静脉置换术在胸腔肿瘤中的应用

    Institute of Scientific and Technical Information of China (English)

    朱鹏志; 王平; 桂龙生; 李永武; 彭浩; 熊健

    2011-01-01

    Objective To evaluate and summarize the clinical experience of the vessel resection and reconstruction in surgical management of malignant superior vena cava syndrome (SVCS). Methods Five patients with SVC being invaded by tumors were included and analyzed retrospectively in this study. Among them locally advanced lung cancer was in three cases, invasive thymoma in two cases. The primary tumor was totally resected in all patients. Replacement of SVC with Gore-Tex vascular prosthesis was performed in all patients. Result All of the cases had no intraoperative and early postoperative death and complications. Conclusion For local advanced malignant tumors invading superior vena cava without distant metastasis, expanded resection including replacement of superior vena cava with artificial blood vessel can raise operative excision rate, relieve clinical symptoms and increase the survival rate time.%目的 探讨和总结上腔静脉置换治疗晚期胸腔恶性肿瘤的临床经验,并评价其疗效.方法 回顾性分析5例上腔静脉受到肿瘤侵犯患者的手术经验.其中局部晚期肺癌3例、侵袭性胸腺瘤2例.术中行原发肿瘤和受累上腔静脉全部切除并重建上腔静脉.结果 全组无手术死亡及术后早期死亡,无严重并发症.结论 对于无远处转移、侵犯上腔静脉的局部晚期恶性肿瘤,采用包括上腔静脉置换在内的扩大切除术,可以提高手术切除率,缓解临床症状,延长生存期.

  11. Tratamento convencional e endovascular para rara associação de doenças: síndrome de veia cava superior e aneurisma aorto-ilíaco - controle após 12 meses Conventional and endovascular treatment for a rare combination of diseases: superior vena cava syndrome and aortoiliac aneurysm - control after 12 months

    Directory of Open Access Journals (Sweden)

    Gustavo Petorossi Solano

    2011-09-01

    Full Text Available A associação entre a síndrome de veia cava superior e uma dilatação aneurismática das artérias aorta e ilíacas não é comum. A abordagem de cada uma destas patologias pode ser efetuada através do modo convencional, com cirurgia aberta ou pela técnica endovascular. Neste trabalho, relatamos as duas modalidades de intervenção cirúrgica executadas e discutimos suas indicações e os resultados deste caso em particular.The association between superior vena cava syndrome and an aorto-iliac aneurysm is not common. The approach to each of theses diseases can be either by the conventional way with open surgery or by endovascular techniques. We report the two methods of surgical intervention and discuss their indications and results in this particular case.

  12. Role of bilateral inferior petrosal sinus sampling (BIPSS) in the diagnosis of Cushing's disease in a patient with double superior vena cava.

    Science.gov (United States)

    Tashi, Sonam; Ng, Keng Sin

    2015-08-01

    Cushing's syndrome is known to have a wide spectrum of clinical presentation with debilitating consequences and morbidity if not diagnosed and treated in time. Sometimes the diagnosis of Cushing's syndrome can be challenging to the endocrinologist, especially when the usual battery of biochemical tests and advanced cross-sectional imaging is negative or inconclusive. We described a case in which the use of bilateral inferior petrosal sinus sampling (BIPSS) was conclusive albeit being technically challenging (due to a rare incidental finding of double superior vena cava) and invasive in nature.

  13. Liver Trapping of (99m)Tc Macroaggregated Albumin During Ventilation/Perfusion Scintigraphy in a Patient With Superior Vena Cava Stenosis as Demonstrated by SPECT/CT.

    Science.gov (United States)

    Rousseau, Etienne; Leclerc, Yves; Prévost, Sylvain; Keu, Khun Visith

    2015-07-01

    A 50-year-old woman presented to our institution with a 1-day history of right posterior thoracic pain and dyspnea. She had a previous history of conservative resection of a high-grade basal-like infiltrating ductal carcinoma of the right breast 2 years before, subsequently treated by chemotherapy and radiotherapy. A ventilation and perfusion (VQ) scintigraphy performed for suspected pulmonary embolism showed an abnormal deposition of (99m)Tc macroaggregated albumin ((99m)Tc-MAA) in the left lobe of the liver. This unusual finding prompted additional imaging that demonstrated a superior vena cava stenosis. PMID:26018706

  14. Surgical treatment of superior vena cava syndrome%上腔静脉综合征的外科治疗

    Institute of Scientific and Technical Information of China (English)

    韩志军; 任华; 戈烽; 李单青; 张志庸

    2008-01-01

    Objective To analyze the clinical features,especially surgical treatment of superior vena cava syndrome(SVCS).Methods The clinical data of 26 patients with SVCS,19 males and 7 females,aged 37(19-63),diagnosed base on the space occupying lesion in mediastinum and complete or incomplete obstruction of SVC and/or innominate vein by imaging examination without evidence of tumor in other parts and without evidence of lymphoma in the mediastinal lesion by pathological examination,who underwent surgical treatment were analyzed,focusing on the clinical presentation,preoperative examination,surgical treatment,pathological diagnosis,and survival.Results Facial cyanosis and edema,cervical and chest wall varicose veins.headache and dizziness,cough and dyspnea were the most common clinical manifestations.Pre-operative percutaneous needle biopsy guided by CT confirmed the diagnoses of malignant tumor of mediastinum in 6 cases and definite diagnoses failed to be got in the other 20 cases.Resection of the primary lesions combined with artificial blood vessel replacement of SVC was performed.Twenty patients received complete resection,and 6 received only incomplete excision because of extensiveness of lesions.The mean survival time of the former group was 30 months,significantly longer than that of the latter group (11 months,P=0.0036).The overall 1-year survival rate was 69.2%,and 5-year survival rate was 7.6%.Conclusion Resection procedure is an important factor influencing the prognosis of SVCS.%目的 总结上腔静脉综合征(SVCS)的外科治疗经验.方法 回顾性分析手术治疗的26例SVCS患者(男19例,女7例,年龄19~63岁)的临床资料,包括临床表现、术前检查、手术方法、术后病理诊断和生存时间.病例纳入标准为影像学检查提示纵隔占位以及上腔静脉和(或)无名静脉部分或完全梗阻,无其他部位肿瘤,纵隔病变经组织病理学检查无明确淋巴瘤的证据.结果 常见临床表现为颜面及颈

  15. Suction against resistance: a new breathing technique to significantly improve the blood flow ratio of the superior and inferior vena cava

    International Nuclear Information System (INIS)

    Optimal contrast within the pulmonary artery is achieved by the maximum amount of contrast-enhanced blood flowing through the superior vena cava (SVC), while minimum amounts of non-contrasted blood should originate from the inferior vena cava (IVC). This study aims to clarify whether ''suction against resistance'' might optimise this ratio. Phase-contrast pulse sequences on a 1.5T MRI magnet were used for flow quantification mean flow (mL/s), stroke volume (Vol) in the SVC and IVC in volunteers. Different breathing manoeuvers were analysed repeatedly: free breathing; inspiration; expiration; suction against resistance, and Valsalva. To standardise breathing commands, volunteers performed suction and Valsalva manoeuvers with an MR-compatible manometer.??Suction against resistance was associated with a significant drop of the IVC/SVC flow quotient (1.63 [range 1.3-2.0] p 0.05).??Suction against resistance caused a significant drop in the IVC/SVC quotient. Theoretically, this breathing manoeuver might significantly improve the enhancement characteristics of CT angiography. (orig.)

  16. Case report: Completely unroofed coronary sinus with a left superior vena cava draining into the left atrium studied by cardiovascular magnetic resonance

    International Nuclear Information System (INIS)

    A persistent left superior vena cava (LSVC) draining through a dilated coronary sinus into the right atrium is a relatively common congenital cardiovascular anomaly. It is readily identified by cardiovascular magnetic resonance (CMR). However, a LSVC draining into the left atrium (LA) and associated with unroofing of the coronary sinus, with resulting interatrial communication, is rare and may have important clinical consequences. As with any large atrial septal defect, it can be associated with a higher than expected incidence of pulmonary arterial hypertension, systemic embolization, and brain abscesses. In this report, we present a case of a completely unroofed coronary sinus with a persistent LSVC draining directly into the LA and illustrate the role of CMR in the diagnosis and evaluation of such anomalies

  17. Defibrillation lead placement using a transthoracic transatrial approach in a case without transvenous access due to lack of the right superior vena cava.

    Science.gov (United States)

    Otsuka, Yosuke; Okamura, Hideo; Sato, Syunsuke; Nakajima, Ikutaro; Ishibashi, Kohei; Miyamoto, Kouji; Noda, Takashi; Aiba, Takeshi; Kamakura, Shiro; Kobayashi, Junjiro; Yasuda, Satoshi; Ogawa, Hisao; Kusano, Kengo

    2015-06-01

    A 65-year-old woman with a history of syncope was diagnosed with hypertrophic cardiomyopathy. She had previously undergone mastectomy of the left breast owing to breast cancer. Holter electrocardiogram (ECG) and monitor ECG revealed sick sinus syndrome (Type II) and non-sustained ventricular tachycardia. Sustained ventricular tachycardia and ventricular fibrillation were induced in an electrophysiological study. Although the patient was eligible for treatment with a dual chamber implantable cardioverter defibrillator (ICD), venography revealed lack of the right superior vena cava (R-SVC). Lead placement from the left subclavian vein would have increased the risk of lymphedema owing to the patient׳s mastectomy history. Consequently, the defibrillation lead was placed in the right ventricle by direct puncture of the right auricle through the tricuspid valve. The atrial lead was sutured to the atrial wall, and the postoperative course was unremarkable. Defibrillation lead placement using a transthoracic transatrial approach can be an alternative method in cases where a transvenous approach for lead placement is not feasible.

  18. Revista Izquierdas, N° 21, Octubre 2014

    OpenAIRE

    Pérez, Aníbal; Bortolotti, Mariana; Figueroa, Noelia; Grimaldi, Nicolás; Aiziczón, Fernando; Ponce, José Ignacio; Serra, María Loreto; Corvalán, Luis; Garrido, Pablo; Díaz, Francisco; Chaia de Bellis, Jonás; Samaniego, Augusto

    2015-01-01

    Revista Izquierdas, publicación científica dedicada a la historiografía sobre el socialismo latinoamericano, http://www.izquierdas.cl/ Publicada por el Instituto de Estudios Avanzados de la Universidad de Santiago de Chile

  19. Malignant thrombosis of the superior vena cava caused by non-small-cell lung cancer treated with radiation and erlotinib: a case with complete and prolonged response over 3 years

    Directory of Open Access Journals (Sweden)

    Wang JY

    2013-07-01

    Full Text Available Jianyang Wang,1 Jun Liang,1 Wenqing Wang,1 Han Ouyang,2 Luhua Wang11Department of Radiation Oncology, Cancer Hospital and Institute, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 2Department of Diagnostic Radiology, Cancer Hospital and Institute, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of ChinaAbstract: Most cases of superior vena cava (SVC syndrome resulting from neoplasm, especially from lung cancer, remain a serious challenge to treat. Here, for the first time as far as we are aware, we report the case of a non-small-cell lung cancer patient with a massive SVC malignant thrombosis who was treated with thoracic irradiation and erlotinib. The treatment regimen consisted of erlotinib 150 mg/day and a total dose of 66 Gy/33 fractions delivered to the tumor, malignant thrombosis, and metastasis mediastinal lymph nodes. The malignant thrombosis responded dramatically and the combined regimen was well tolerated. After discharge, the erlotinib was prescribed as maintenance therapy. The patient was followed closely for the next 3 years. During this time, positron emission tomography/computed tomography scans and serum tumor marker screens were undertaken. By 6 months, the primary tumor showed complete response and by 9 months, the SVC thrombosis had disappeared. No sign of relapse has been found to date.Keywords: superior vena cava syndrome, radiotherapy, thoracic irradiation, neoplasm

  20. 上腔静脉X线投影测量与患者相关因素的探讨%Studying and analyzing the relationship between X-ray cephalometry of superior vena cava and patient-related factors

    Institute of Scientific and Technical Information of China (English)

    耿才正; 陈姬雅; 王建铭

    2012-01-01

    Objective The aim of this study was to explore the relationship between the variables (age, sex, height, weight) and the lower segment of superior vena cava on the posteroanterior thorax radiograph, and to improve the in-vitro measurements accuracy of beside PICC. Methods The data of 100 cases adults physical examination were collected in Tai-Zhou hospital. We measnred the distance between the middle of the lower segment of superior vena cava to the inner side of the right clavicle, observed the front rib units which was projected the middle of the lower segment of superior vena cava, and then analyzed the correlation between the data (distance between vertical segment, the front rib units) and the variable (age, sex, height, weight) with IBM SPSS Statistics vl9 software. Results The front rib units planes was no significant correlation with sex. age, height and weight ( r =0. 196~0. 130, P =0. 051~0. 936). The distance between vertical segment was obvious correlation with body height and sex ( r =0. 197, -0. 339, P =0. 049,0. 001) and no significant correlation with age and body weight( r =0. 052, -0. 066, F =0. 604, 0. 512). Conclusion The projection of the lower segment of superior vena cava has the individual differences, which is affected by many factors besides age, sex, height and weight. Thus, it is difficult to improve the in-vitro measurements accuracy of beside PICC by analyzing the age. sex, height and weight of the patient.%目的 探讨成人上腔静脉下段后前位胸片投影是否与性别、年龄、身高、体重相关,以期提高床旁PICC体外测量的准确性.方法 成人体检资料100份,在后前位胸片上测量上腔静脉下段中点至右锁骨内端下缘距离(即横L体外测量法垂直段距离,以下简称“垂直段距离”),上腔静脉下段中点所在前肋肋单元平面,各数据会同性别、年龄、身高、体重,利用IBM SPSS Statistics v19统计软件作Pearson相关分析.结果 上腔静脉下段中点

  1. La izquierda chilena contemparánea

    Directory of Open Access Journals (Sweden)

    Manuel Antonio Garretón

    2006-01-01

    Full Text Available En este artículo, el autor examina las particularidades de la izquierda chilena para entender su papel en los gobiernos democráticos desde los años 70. El autor parte de la premisa de la existencia, durante los años 90, de dos izquierdas: una, el socialismo dentro de la coalición; la otra, el comunismo fuera de ella. En el trabajo se sostiene que la izquierda socialista ha sido el principal motor de la coalición y su papel específico se ha concentrado en los temas socio-económicos ligados a la igualdad, a la justicia, a los derechos humanos y a las propuestas culturales de tipo progresista. Asimismo, se analizan las particularidades esenciales de los gobiernos democráticos chilenos y se examinan los temas y las tareas pendientes. El artículo concluye con un balance del papel de la izquierda y de los retos que aún tiene por delante.

  2. Congenital anomalies of the venae cavae: embryological origin, imaging features and report of three new variants

    Energy Technology Data Exchange (ETDEWEB)

    Minniti, S.; Visentini, S.; Procacci, C. [Department of Radiology, University of Verona, Policlinico ' ' GB Rossi' ' , Piazzale LA Scuro, 37134 Verona (Italy)

    2002-08-01

    Due to the complexity of their developmental stages, the venae cavae may undergo a very large number of congenital anomalies. All the possible abnormalities which, to our knowledge, have been observed in the literature are reported, differentiating those of the superior vena cava and the azygos system, those of the inferior vena cava and the complex anomalies that concern the venous system as a whole. Moreover, we present three new variants: a right double inferior vena cava with azygos continuation of the posterior-medial vein; an agenesis of the superior vena cava with drainage through the azygos and hemiazygos veins to the inferior vena cava; and a double inferior vena cava with hemiazygos and azygos continuation of the left one. (orig.)

  3. The Role of Nasopharyngeal Temperature Monitoring in Detection of a Malpositioned Superior Vena Cava Cannula in an Emergency Coronary Artery Bypass in a Patient With Ventricular Septal Defect

    Directory of Open Access Journals (Sweden)

    A Dabbagh

    2010-03-01

    Full Text Available A 55 year-old woman was admitted to the CCU ward of our university hospital due to typical chest pain. The patient received supportive care and was transferred to the operating room for an emergency repair of the ventricular septal defect (VSD and myocardial revascularization. The surgical team was notified regarding the tolerance to cooling detected by the temperature monitoring and also, the congestion of eye and blanching of forehead. After a few maneuvers, the cannula was repositioned. In a few seconds, the forehead was cooled, while the airlocking episodes were lifted completely and the blanching and chemosis in the face and eyes all resolved. The septal defect was approached through the left ventricle; a 15 in 20 mm foramen, due to the ischemic rupture of the superior portion of the anteroseptal wall, was repaired with a patch of hemoshield. The incision over the LV was then repaired with 2 parallel bands of felt. The patient was operated on and transferred to the intensive care unit.

  4. Vena cava filter; Vena-cava-Filter

    Energy Technology Data Exchange (ETDEWEB)

    Helmberger, T. [Klinikum Bogenhausen, Institut fuer Diagnostische und Interventionelle Radiologie und Nuklearmedizin, Muenchen (Germany)

    2007-05-15

    Fulminant pulmonary embolism is one of the major causes of death in the Western World. In most cases, deep leg and pelvic venous thrombosis are the cause. If an anticoagulant/thrombotic therapy is no longer possible or ineffective, a vena cava filter implant may be indicated if an embolism is threatening. Implantation of the filter is a simple and safe intervention. Nevertheless, it is necessary to take into consideration that the data base for determining the indications for this treatment are very limited. Currently, a reduction in the risk of thromboembolism with the use of filters of about 30%, of recurrences of almost 5% and fatal pulmonary embolism of 1% has been reported, with a risk of up to 20% of filter induced vena cava thrombosis. (orig.) [German] Die fulminante Lungenembolie zaehlt zu den Haupttodesursachen in der westlichen Welt. In der Mehrzahl der Faelle sind tiefe Bein- und Beckenvenenthrombosen ursaechlich verantwortlich. Ist eine antikoagulative/-thrombotische Therapie nicht (mehr) moeglich oder unwirksam, kann bei drohender Emboliegefahr die Vena-cava-Filterimplantation indiziert sein. Die Filterimplantation ist eine einfache und sehr sichere Intervention. Dennoch muss bei der Indikationsstellung beruecksichtigt werden, dass die Datenlage zur Wirksamkeit sehr limitiert ist. So wird aktuell ueber eine Reduktion des Thrombembolierisikos um 30% bei Embolierezidiven von knapp 5% und fatalen Lungenembolien von 1% unter Filterprophylaxe berichtet, bei einem Risiko von bis zu 20% fuer die filterinduzierte Vena-cava-Thrombose. (orig.)

  5. 上腔静脉阻塞综合征的血管内支架治疗%Superior Vana Cava Syndrome: A Therapy by Intra-vascular Stenting

    Institute of Scientific and Technical Information of China (English)

    官泳松; 汪小舟; 黄明亮; 张华山

    2003-01-01

    Objective To study the techniques and clinical applications of intra-vascular stenting in the treatment of superior vana cava oblit-eration syndrome (SVS).Methods In 9 cases of SVS, primary lesions were all confirmed as malignancy ( primary pulmonary carcinoma of right upperlobe) histolo-pathologically. By route of right femoral vein, SVS catheterization and DSA was made. The length of the stricturesand the diameters of normal superior vana cavae (SVC) were measured for the choice of appropriate stents. The option of stent di-ameter is 10% larger than that of normal SVCs. The upper and lower ends of the stent should be 1 - 2 cm protruding from the endsof the stricture. The stent was dilated with a balloon after its successful placement. Therapy of original lesions was continued to-gether with anticoagulant. Stents were observed about their positions by fluoroscopy or chest films, and about patency of SVC byDoppler.Results After the placement of a stent, DSA revealed the contrast media in the SVCs passed along smoothly, diameters of SVCsalmost normal, collateral branches diminished remarkably. Average SVC pressure was decreased from 26.4 cmH2O before theplacement down to 15.7 cmH2 O, with an obvious difference (P < 0.01 = by statistics. Related clinical symptoms and signs disap-peared or relieved. Subsidised were swelling of head and neck, upper extremities and chest. Excretion of urine increased. Gor-geous superficial veins in the chest could not be detected any more.Conclusion The therapy of intra-vascular stenting to treat SVS is microinvasive, simple and effective.%目的 探讨血管内支架治疗上腔静脉阻塞综合征的技术和临床应用效果.方法 9例上腔静脉阻塞综合征患者,原发病灶均由病理组织学诊断为恶性肿瘤(右上肺中央型肺癌).行右股静脉穿刺,在造影像上测量狭窄长度及正常上腔静脉直径,选择适当支架,原则上支架直径应超过正常上腔静脉直径10%,

  6. 支架植入术治疗上腔静脉综合征:金属支架的选择%Stent implantation for the treatment of superior vena cava syndrome:Selection of metallic stents

    Institute of Scientific and Technical Information of China (English)

    杨维竹; 潘恒; 黄兢姚; 江娜; 郑曲彬; 林俊清

    2013-01-01

    目的 探讨支架植入术治疗上腔静脉综合征(SVCS)中选择金属支架的要点.方法 收集51例SVCS,CT均显示上腔静脉(SVC)明显狭窄或闭塞;经股静脉穿刺插管,以球囊扩张狭窄或闭塞段后植入1枚或多枚金属内支架(Smart支架、Z-Stent支架、Fluency支架),直至复查造影显示SVC血流通畅.术后评价疗效.结果 51例SVCS中,50例双侧头臂静脉汇合处受累.支架植入术均获成功,28例植入Smart支架,17例植入Z-Stent,4例植入Fluency支架,2例为Smart支架内套Fluency支架;31例植入1枚支架,12例植入2枚支架,8例植入3枚支架.支架植入后48例临床症状明显改善,上腔静脉压显著下降.术中无SVC破裂等严重并发症发生.46例接受随访,其中18例于随访期内重现SVC阻塞症状,包括11例植入Smart支架、7例植入Z-Stent支架者,植入Fluency支架者未见复发.结论 根据SVC病变程度、位置,选择植入结构和特性适当的金属支架可使介入治疗SVCS安全、有效.%Objective To investigate the elective points of different types of metallic stents for implantation in patients with superior vena cava syndrome (SVCS).Methods Fifty-one patients with SVCS were enrolled.Enhanced CT showed obvious stenosis or occlusion of the superior vena cava (SVC) in all patients.Stent implantation was performed after balloon dilatation through femoral vein.One or more stents (Smart stent,Z-Stent and Fluency stent) were positioned till the obstruction of SVC flow was relieved.The therapeutic effects of stent implantation were evaluated.Results Among all 51 patients,invasion of bilateral brachiocephalic veins were observed in 50 patients.Technical success of stent implantation was achieved in all patients including 28 patients with Smart stent,17 with Z-Stent,4 with Fluency stent and 2 patients with Fluency+Smart stent.Significant improvements of SVCS symptoms was noticed in 48 patients after stent implantation,and the pressure of SVC

  7. México: una izquierda mercurial

    OpenAIRE

    Raphael, Ricardo

    2006-01-01

    Este artículo explora la naturaleza de la actual izquierda en México, a la luz de la revisión de algimos de los cambios que han operado en las identidades de las diversas formaciones que se reconocen como parte de dicha corriente política. El autor se propone resaltar tanto las consistencias como las contradicciones de una corriente política que no ha logrado decidir con claridad entre la democracia y la revolución.

  8. La izquierda y los derechos humanos en el siglo XXI

    Directory of Open Access Journals (Sweden)

    Manuel Alcaraz Ramos

    2000-01-01

    Full Text Available El artículo trata de ofrecer una visión general de las relaciones históricas entre la izquierda, en sus diversas tradiciones, y los problemas políticos planteados por la emergencia y desarrollo conceptual y práctico de los Derechos Humanos. Se resalta que la relación entre izquierdas y Derechos Humanos ha estado marcada, en muchas ocasiones, por la contradicción cuando no por determinadas incompresiones y desencuentros. Sin embargo, el fin de la Guerra Fría y las convulsiones producidas en la izquierda por los cambios experimentados abren un nuevo curso ideológico a la relación izquierda - Derechos humanos, hasta el punto de que el autor considera inevitable que la defensa radical de éstos debe comvertirse en un eje central de la recuperación de la identidad perdida de las izquierdas.

  9. 胎儿永存左上腔静脉和相关先天异常的产前MRI诊断%Prenatal Diagnosis of Persistent Left Superior Vena Cava and Its Associated Congenital Anomalies by MRI

    Institute of Scientific and Technical Information of China (English)

    董素贞; 朱铭; 李奋; 钟玉敏

    2012-01-01

    Purpose: To evaluate the associated conditions and the appearances of persistent left superior vena cava (PLSVC) detected in fetal life by MRI. Methods: Twelve pregnant women with gestation from 21 to 35 weeks were studied on a 1.5 T superconductive MR unit within 24 to 48 hours after ultrasound studies. The imaging protocols included fast-imaging employing steady-state acquisition (FIESTA) or balanced fast field echo (B-FFE), single-shot fast spin echo (SSFSE) or single shot turbo spin echo (SSTSE) and non-gated cine FIESTA/ "real-time" B-TFE sequences in the axial, coronal, and sagittal planes relative to the fetal brain, thorax, abdomen, especially thorax and heart. Prenatal US and MR imaging findings were compared with postnatal diagnoses. Postnatal evaluation included postnatal imaging, surgery and autopsy. Results: All 12 cases were with bilateral superior vena cava, one of the cases accompanied the bridging vein. According to the associated congenital anomalies, ten cases accompanied cardiac malformations, one case accompanied oligohydramnios and one case with no associated condition. Four of ten cases with cardiac malformations also accompanied etracardiac malformations. For PLSVC, all 12 cases were diagnosed correctly by MRI, and by prenatal US five cases were accurately diagnosed and seven cases were missed. For associated cardiac malformations, Prenatal MRI provided accurate diagnosis in seven cases, misdiagnosis in one case and missed diagnosis in two cases, prenatal US with accurate diagnosis in seven cases, misdiagnosis in two cases and missed diagnosis in one case. Conclusion: Prenatal MRI is effective in the assessment of fetal PLSVC. The diagnostic accuracy of prenatal ultrasound for associated cardiac abnormalities was better than MRI, but the diagnostic accuracy of prenatal ultrasound for associated extracardiac abnormalities was not better than MRI.%目的:探讨胎儿永存左上腔静脉和相关畸形的产

  10. VENA RENAL IZQUIERDA RETRO-AÓRTICA. VENA RENAL IZQUIERDA RETRO-AÓRTICA

    OpenAIRE

    Russo, Alejandro M.

    2013-01-01

    Understanding of the renal venous anatomy and its variations is essential to perform any procedure in the region. We report a variation of the left renal venous tree found during a cadaveric dissection, the retro-aortic left renal vein. It was a unique venous trunk that emerged from the left renal hilum and traveled dorsally to the abdominal aorta before reaching the inferior vena cava. The existence of this vessel is associated to the embryology of the inferior vena cava. We discuss the surg...

  11. 冠状窦顶重建治疗无顶综合征合并心内膜垫缺损和永存左上腔静脉%Reestablishment the roof of coronary sinus in treating unroofed coronary sinus syndrome with endocardial cushion defect and persistent left superior vena cava

    Institute of Scientific and Technical Information of China (English)

    范祥明; 闫军; 王强; 罗国华; 吕晓东; 刘迎龙

    2010-01-01

    目的 总结冠状静脉窦顶重建在无顶冠状静脉窦综合征合并心内膜垫缺损和永存左上腔静脉的外科治疗经验.方法 2000年1月至2008年1月共753例心内膜垫缺损病人行畸形矫治手术,15例(2%)同时合并永存左上腔静脉和无顶冠状静脉窦综合征,包括部分型心内膜垫缺损12例,完全型心内膜垫缺损3例.均在行心内膜垫缺损矫治术同期重建冠状静脉窦顶,1例直接结扎左上腔静脉,14例将左上腔静脉隔入右房,其中10例用自体心包补片,4例通过折叠左房后壁完成冠状静脉窦顶的重建,最后在重建的冠状静脉窦开口的左侧缝合修补房间隔缺损.结果 术后早期1例死于严重肺部感染.术后随访3个月~6年,无远期死亡病例.14例术后均未见腔静脉、肺静脉回流梗阻和心房水平残余分流.1例行左房后壁折叠分隔左上腔静脉者术后早期超声心动图提示左上腔静脉入左房顶处血流速度偏快.结论 合并心内膜垫缺损和永存左上腔静脉的无顶冠状静脉窦综合征外科治疗有难度,冠状窦顶重建技术能够取得良好的治疗效果.%Objective To summarize the surgical procedures of unroofed coronary sinus syndrome with endocardial cushion defect and persistent left superior vena cava.Methods From 2000 to 2008,753 cases of endocardial cushion defect underwent surgical repair.Among them 15 cages(2.0%)were associated with persistent left superior vena cava and unroofed coronary sinus syndrome.The drainage of the persistent left superior vena cava and coronary vein were corrected simultaneously during the operation by reestablishing the roof of the coronary sinus.The persistent left superior vena cava were drained to right atrium by intra-atrial tunnel with pericardial patch or left atrium folding in 14 cases and it was ligated in the remain one.Most of the coronary veins were drained into right atrium after the correction of cardiac defect.Results One patient

  12. El nuevo dilema de la izquierda: identidad vs justicia social

    OpenAIRE

    José María Seco Martínez; Rafael Rodríguez Prieto

    2011-01-01

    ResumenLa izquierda carece en la actualidad de iniciativa real. Desde la caída del muro se vio ampliamente desbordada por el neocapitalismo. La idea de justicia social dejaba entonces de tener valor. Desde entonces los partidos de izquierda no asumen posiciones diáfanas en este sentido. No reivindican la justicia social y son ambiguos frente a las condiciones que impone el capitalismo. Sitúan el eje de sus discurso político en cuestiones más relacionadas con la identidad, que con la justicia ...

  13. La izquierda colombiana, un caso particular en el escenario latinoamericano

    Directory of Open Access Journals (Sweden)

    Jeisson Oswaldo Martínez Leguízamo

    2015-04-01

    Full Text Available En los últimos 25 años en el panorama político de Latinoamérica se pueden apreciar dos fenómenos evidentes. Primero, la crisis del modelo neoliberal instaurado en el continente a partir del Consenso de Washington y, segundo, la respuesta popular que condujo al ascenso de movimientos pertenecientes a un amplio espectro de la izquierda. Colombia, a pesar de mantener una activa movilización social, no ha logrado sumarse a esta tendencia regional. La intervención permanente de los EE.UU., la violencia usada como instrumento político por parte de las élites colombianas y la dispersión de la izquierda aparecen entre las principales explicaciones de este hecho. Como respuesta a la violencia estatal y ante el cierre de los espacios democráticos, una parte de la izquierda se alzó en armas impugnando la legitimidad del régimen, mientras que otra se mantuvo dentro de la institucionalidad a pesar de los riesgos que ello conllevaba. El Estado, decidido a terminar por la fuerza con el alzamiento armado, adoptó una tendencia militarista encaminada a la persecución de las guerrillas, pero que se extendió al conjunto de la izquierda democrática y del movimiento social. Sin embargo, los Diálogos de Paz han abierto la posibilidad de superar la confrontación. Ante la eventual firma de un acuerdo de paz, vuelve a cobrar vigencia el debate sobre la unidad de la izquierda, pero esta vez con un elemento adicional: la posibilidad de que los movimientos políticos que resulten del acuerdo puedan sumarse a la tan anhelada convergencia.

  14. Prenatal diagnosis of persistent left superior vena cava and associated anomalies%胎儿持续性左上腔静脉及其相关异常研究

    Institute of Scientific and Technical Information of China (English)

    赖祝琴; 杜柳; 吴宏; 杨振宇

    2015-01-01

    associated malformations , chromosomal abnormalities and clinical outcome in the fetuses with persistent left superior vena cava.(PLSVC). Methods 138 Fetuses with prenatal diagnosis of PLSVC from January 2011 to December 2013 were categorized into isolated and non-isolated (associated with cardiac anomalies including other cardiac , great vessels malformation and heterotaxy syndrome;.extracardiac anomalies including other organ malformation and abnormal sonographic soft markers). The associated anomalies, karyotypes and clinical outcome of the two groups were analyzed. Results Of the 138 fetuses with PLSVC,.30(21.7%) were isolated and 108(78.3%) were non-isolated. In the non-isolated cases, 87(63.0%, 87/138) cases were associated with other cardiac anomalies, including 10 (11.5%, 10/138) cases of heterotaxy syndrome; 67 (45.6%, 67/138) cases of other extracardiac anomalies and 46(33.3%, 46/138) cases of both cardiac and extracardiac anomalies. The chromosomal karyotypes and clinical phenotypes were obtained in 99 cases,13(13.1%, 13/99) cases had chromosomal abnormalities including trisomy 18(46.1%, 6/13) trisomy 21(23.1%, 3/13) and one each in trisomy 13, Turner syndrome, 47, XXY, 46, XX, t(6; 13) (q22; q23). Among these 13 fetuses, one case (4.0%, 1/25) with 46,XX, t(6; 13) (q22; q23) was isolated, others (16.2%, 12/74) were non-isolated. The risk of chromosomal abnormalities was significantly higher in fetuses associated with other anomalies. (P<0.05)..The birth rates in the isolated and non-isolated cases were 83.3%(25/30).and 14.8%(16/108) respectively. Two non-isolated cases were died after birth, the survival rate was 95.1% (39/41). Conclusion The PLSVC oftenassociated with additional anomalies, should be considered as a marker of fetal structure malformation. Fetuses of PLSVC with other defects are more highly associated with chromosomal disorders than those of isolated PLSVC..Isolated PLSVC is a benign vascular anomaly and may not affect the outcome.

  15. The assessment of ultrasonic measurement of superior vena cava blood flow for the volume responsiveness of patients with mechanical ventilation%超声测量上腔静脉血流评估机械通气患者容量反应性

    Institute of Scientific and Technical Information of China (English)

    郭喆; 何伟; 侯静; 李彤; 周华; 许媛; 席修明

    2014-01-01

    Objective To approach the evaluative effect of respiratory variation of superior vena cava peak flow velocity measured using transthoracic echocardiography (TTE) on fluid responsiveness in patients with mechanical ventilation.Methods A prospective cohort study was conducted.All mechanical ventilated critically ill patients whose fluid therapy was planned due to hypovolemia in Department of Critical Care Medicine of Beijing Tongren Hospital of Capital Medical University from April 2011 to April 2013 were enrolled.Volume expansion was performed with 500 mL Linger solution within 30 minutes.Patients were classified as responders if pulse pressure variation (PPV) increased ≥ 13% before volume expansion.The respiratory variation in superior vena cava peak velocity was calculated as the difference between maximum and minimum values of velocity in peak A,peak S and peak D over a single respiratory circle,and their variations (ΔA,ΔS,ΔD) were also calculated.The receiver operating characteristic curve (ROC curve) was plotted to assess the evaluative effect of respiratory variation of superior vena cava peak velocity on fluid responsiveness.Results Twenty-seven patients were enrolled in this study.Volume expansion increased PPV ≥ 13% happened in 14 patients (responders).The velocity of superior vena cava in peak A,peak S,peak D was significantly increased after volume expansion compared with that before volume expansion in responders [peak A (cm/s):34.6 ± 2.2 vs.31.3 ±2.1,t=-2.493,P=0.027; peak S (cm/s):39.1 ± 1.3 vs.35.3 ±2.1,t=-2.564,P=0.024; peak D (cm/s):28.1 ± 1.2 vs.23.3 ± 1.4,t=-4.995,P=0.000],but there was no significant difference in ΔA,ΔS and ΔD between before and after volume expansion.The ΔA,ΔS and ΔD were positively correlated with PPV (r=0.040,P=0.854; r=0.350,P=0.074; r=0.749,P=0.000).The area under ROC curve (AUC) of peak S was 0.36 [95% confidence interval (95%CI):0.11-0.52],but the AUC of ΔS was 0.68 (95%CI 0.47-0.89),the AUC

  16. El nuevo dilema de la izquierda: identidad vs justicia social

    Directory of Open Access Journals (Sweden)

    José María Seco Martínez

    2011-06-01

    Full Text Available ResumenLa izquierda carece en la actualidad de iniciativa real. Desde la caída del muro se vio ampliamente desbordada por el neocapitalismo. La idea de justicia social dejaba entonces de tener valor. Desde entonces los partidos de izquierda no asumen posiciones diáfanas en este sentido. No reivindican la justicia social y son ambiguos frente a las condiciones que impone el capitalismo. Sitúan el eje de sus discurso político en cuestiones más relacionadas con la identidad, que con la justicia social y la clase social. De la respuesta a la pregunta ¿sigue siendo hoy una prioridad para la izquierda la búsqueda de la justicia social?, dependerá en buena medida la razón de su existencia. Abstract Nowadays the left lacks initiative. Since the fall of the Berlin Wall it was widely exceded by neocapitalism. At that time the idea of social justice had no longer any importance. Since then the left parties did not take up a strong stance, they do not demand social justice and they are ambiguous  facing the conditions imponed by capitalism. They focus their political programme mainly on identity more than  social justice and social class. Their raison d´être will depend to a great extent on the way they can answer the question, is it still today a priority for the left the search for social justice?

  17. ¿América Latina: giro a la izquierda?

    Directory of Open Access Journals (Sweden)

    Pierre Gilhodes

    2008-11-01

    Full Text Available Se discute la aparición en América Latina, desde la primera elección de Chávez en Venezuela, de las características de un neo populismo o un giro hacia una nueva izquierda; algunos hablan de varias izquierdas. Se debe a la fuerte personalización del poder, a la falta de partidos políticos que representen a esta izquierda. Sus gobiernos, además de ser expresión de fuerzas sociales hasta hoy, alejadas del poder, parecen estar inventando su programa de gobierno día tras día. Les favorece, coyunturalmente, una buena situación económica mundial, ¿qué será de ellos en caso de dificultades?, ¿representan algo distinto frente a la hasta hoy alineación mundial de fuerzas, frente a la opción exclusiva por políticas liberales?, ¿en caso de responder positivamente, cuáles son sus ineludibles tareas?

  18. La izquierda en Venezuela: evolución y situación actual

    OpenAIRE

    González Fuentes, Sonia

    2009-01-01

    Históricamente, la izquierda en Venezuela se ha caracterizado por el enfrentamiento entre la izquierda socialdemócrata y la izquierda radical. Durante mucho tiempo la primera estuvo liderada por AD y la segunda por el PCV. En ambos partidos surgieron disidentes que crearon nuevas formaciones pasando de una a otra corriente. Así de AD surgió el MIR y el MEP, y del PCV, el MAS y LCR. Uno de los factores que más ha condicionado el avance electoral y el surgimiento de las fuerzas de izquierda ha ...

  19. Infra hepatic interruption of inferior vena cava

    Energy Technology Data Exchange (ETDEWEB)

    Choe, Yeon Hyeon; Lee, Dong Ho; Kim, Young Goo; Park, Jae Hyung; Yeon, Kyung Mo; Han, Man Chung [Seoul National University College of Medicine, Seoul (Korea, Republic of)

    1986-02-15

    Congenital anomaly of IVC is rare, but understanding of this anomaly is important in radiological diagnosis angiographic procedures and major retroperitoneal and thoracic surgery. We analysed 23 cases of IVC interruption diagnosed by cardiac angiography at Seoul National University Hospital. The results were as follows: 1. The incidence of intrahepatic interruption of IVC was 0.45% of the patients having cardiac angiography and most patients showed cyanosis (91%). 2. The most common associated cardiac anomaly was right ventricular outflow tract obstruction (60%). Other associated cardiac defects were VSD, ASD, valvular anomalies in 9 cases (39%) respectively; double outlet right ventricle, bilateral superior vena cava, single ventricle in 6 cases (26%) respectively; single atrium, PDA in 5 cases (22%) respectively. 6 cases of situs inverses, 3 cases if sutus ambiguous, 2 cases of visceral heterotaxia and one case of asplenia were observed also. 7 cases of left-sided IVC were associated with IVC interruption in normal situs.

  20. PERSISTENT LEFT SUPERIOR VENACAVA

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    Devinder Singh

    2014-05-01

    Full Text Available A Persistent Left Superior Venacava (PLSVC is the most common variation of the thoracic venous system and rare congenital vascular anomaly and is prevalent in 0.3% of the population. It may be associated with other cardiovascular abnormalities including atrial septal defect, bicuspid aortic valve, coarctation of aorta, coronary sinus ostial atresia, and cor triatriatum. Incidental rotation of a dilated coronary sinus on echocardiography should raise the suspicion of PLSVC. The diagnosis should be confirmed by saline contrast echocardiography. Condition is usually asymptomatic. Here we present a rare case of persistent left superior vena cava presented in OPD with dyspnoea & palpitations.

  1. ¿Quién apoya a la izquierda ‘populista’ latinoamericana?

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    Paolo Moncagatta

    2013-01-01

    Full Text Available A inicios del siglo XXI, América Latina se ve gobernada en su mayor parte por gobiernos de izquierda. Varios autores han diferenciado entre una izquierda ‘pragmática’, por un lado, y una ‘populista’ por otro. Usando datos de las encuestas AmericasBarometer del 2012, indagamos sobre el perfil socio-demográfico de quién apoya a la izquierda ‘populista’ en cuatro naciones: Argentina, Bolivia, Ecuador y Venezuela. Mediante modelos de regresión logística, analizamos las probabilidades de expresar intención de voto por el candidato o partido del actual presidente de ciudadanos pertenecientes a distintos niveles de educación, riqueza, y otras variables socio-demográficas. Los resultados permiten concluir que no todos los gobiernos calificados como pertenecientes a la izquierda ‘populista’ latinoamericana reciben el apoyo del mismo tipo de individuos.

  2. Agenesia of the vena cava inferior

    Energy Technology Data Exchange (ETDEWEB)

    Kullnig, P.; Lammer, J.; Ranner, G.; Pilger, E.

    1986-12-01

    A case of agenesia of 3 of the 4 segments of the vena cava inferior is presented. The embryogenesis of the v. cava inferior is discussed in so far as is relevant for the malformation in this case. Exact diagnosis and classification can be made via intravenous and intraarterial DSA and computed tomography.

  3. Creating a Fontan fenestration in a child with dextrocardia and interrupted inferior vena cava.

    Science.gov (United States)

    Charlagorla, Pradeepkumar; Breinholt, John P

    2016-01-01

    Plastic bronchitis is a rare life-threatening complication of the Fontan operation. Transcatheter Fontan fenestration can ameliorate symptoms by decompressing elevated venous pressures. Transcatheter creation of a fenestration can be technically challenging in cases with complex venous anatomy. We report a case of a 5-year-old boy with heterotaxy, dextrocardia with unbalanced atrioventricular canal (AVC), atrial and visceral situs inversus, left-sided superior vena cava (SVC), and left-sided interrupted inferior vena cava (IVC) with azygos continuation. With few modifications to the equipment, a successful Fontan fenestration with stent implantation was performed via transjugular approach. At 2-year follow-up, his symptoms of plastic bronchitis improved significantly.

  4. Nociones sobre “democracia obrera” y “burocracia sindical” en la izquierda de los años 70. Una comparación entre la izquierda peronista y la izquierda marxista

    OpenAIRE

    Farace, Rafael; Gabriela JÄKEL

    2016-01-01

    Este trabajo estudia las nociones sobre democracia obrera y burocracia sindical utilizadas por las organizaciones de izquierda durante la década de 1970 a partir del análisis de fuentes documentales como volantes, boletines, prensa y documentos partidarios. Se examinará en particular los casos de dos organizaciones peronistas (Montoneros y Peronismo de Base) y una organización marxista (Partido Revolucionario de los Trabajadores – Ejército Revolucionario del Pueblo), establecié...

  5. Traumatismos de veia cava inferior Inferior vena cava injuries

    Directory of Open Access Journals (Sweden)

    Cleinaldo de Almeida Costa

    2005-10-01

    Full Text Available OBJETIVO: Avaliar a incidência, o perfil clínico e as estratégias operatórias dos ferimentos de Veia Cava Inferior (VCI. MÉTODOS: Foram analisados retrospectivamente os prontuários de 76 doentes com ferimento de VCI atendidos nos dois prontossocorros de Manaus, no período de janeiro de 1997 a julho de 2002. Mecanismo de lesão, mortalidade, estado hemodinâmico, índice de trauma abdominal penetrante (PATI, achados intra-operatórios e conduta cirúrgica foram estudados. RESULTADOS: Quarenta e nove (65% doentes sofreram lesão por arma branca, 26 (34% por arma de fogo e um por traumatismo abdominal fechado. Quarenta e um (54% doentes sobreviveram. Quase todos chegaram acordados, entretanto 40% estavam hipotensos (pressão arterial sistólica BACKGROUND: Injuries of inferior vena cava (IVC require immediate and definitive action. Our objective is to evaluate the incidence, the clinical findings and the operative approach to IVC injuries. METHODS: We retrospectively studied 76 patients with IVC injuries treated in two Emergency Hospitals of Manaus, AM, Brazil, from January 1997 to July 2002. Mechanisms of injuries, mortality, hemodynamic status, penetrating abdominal trauma index (PATI, intraoperative findings and surgical approach were among assessed data. RESULTS: Fourty-nine patients (65% had stab wounds, 26 (34% gunshot wounds, and one had blunt abdominal trauma. Fourty-one (54% patients survived. Almost all patients entered the emergency room awake, although 40% were hypotensive (systolic blood pressure < 70 mmHg, and the penetrating abdominal trauma index average was above 40. At laparotomy, active retroperitoneal bleeding or an expanding retroperitoneal hematoma were detected in all cases. Caval injury was retro-hepatic in 21 patients, and infrahepatic in the other 55. The prevailing surgical approach was lateral repair in 65 patients. Atrial-caval shunting was tried in six patients, with only three survivals. CONCLUSIONS: We

  6. Arco aórtico derecho, divertículo de Kommerell y arteria subclavia izquierda aberrante Right aortic arch, Kommerell's diverticulum and aberrant left subclavian artery

    Directory of Open Access Journals (Sweden)

    I. Simón-Yarza

    2011-08-01

    Full Text Available La arteria subclavia derecha aberrante o «arteria lusoria» es la variante anatómica más común del desarrollo embrionario de la aorta y sus ramas, llegando a estar presente en un 0,5-2% de la población; con menos frecuencia se puede encontrar una arteria subclavia izquierda aberrante asociada al arco aórtico derecho. Estas variantes anatómicas deben incluirse en el diagnóstico diferencial del ensanchamiento mediastínico superior visible en la radiografía de tórax. Se presenta el caso clínico de un paciente que presentaba arco aórtico derecho y arteria subclavia izquierda aberrante con dilatación en su origen (divertículo de Kommerell como causa de ensanchamiento mediastínico superior de etiología incierta detectado de manera incidental en una radiografía de tórax realizada en un paciente con sintomatología respiratoria.The right aberrant subclavian artery or «arteria lusoria» is the most common anatomical variant of the embryonic development of the aorta and its branches, with a presence in 0.5-2% of the population. Less frequently, a right aortic arch with aberrant left subclavian artery may be present. These anatomical variations should be included in the differential diagnosis of superior mediastinal widening seen on chest radiographs. In this report, we present a right aortic arch with left aberrant subclavian artery dilated at its origin (Kommerell's diverticulum as a cause of superior mediastinal widening detected incidentally on a chest radiograph.

  7. Mauricio Archila et al. Una historia inconclusa. Izquierdas políticas y sociales en Colombia

    Directory of Open Access Journals (Sweden)

    Ricardo Sánchez Ángel

    2011-02-01

    Full Text Available La distinción entre izquierdas y derechas depende de los momentos históricos, que son cualitativos; concentra significados y crea imaginarios. Los imaginarios de la igualdad y de la libertad son creaciones de la Revolución Francesa, en 1789, pero especialmente de la república jacobina, entre 1791-1793.

  8. [The vena cava--reflections on nomenclature].

    Science.gov (United States)

    Kaiser, E

    1984-01-01

    In the course of standardization of anatomical nomenclature old nomenclatures are retained although their sense is not clear. One example is the term " Hohl "- Vene (= "hollow" vein). During the time of ancient medicine the names artery/vein signified a hollow structure and later the meaning was limited to vessels. At that time two names existed for the inferior vena cava: vena magna (the "big" vein) and vena cava (the "hollow" vein). Later authors thought that the name vena cava was an error of translation. But the history of medicine demonstrates a clear coherence between the words "hollow space" and "spirit". Therefore the name " Hohl "- Vene indicates that people supposed the animal spirit being in the hollow part of the blood circulation. PMID:6721176

  9. 犬急性肺动脉高压模型上腔静脉多普勒血流速度频谱变化规律研究%Study of superior vena cava Doppler flow velocity spectrum in the canine model of acute pulmonary hypertension

    Institute of Scientific and Technical Information of China (English)

    孙丹丹; 段云友; 陈洪茂; 袁丽君; 梁宁南; 尚福军; 侯娜

    2011-01-01

    Objective To explore the relationship between the pulmonary artery pressure and the changes of spectrum of superior vena cava( SVC )blood flow in the canine model of acute thromboembolic pulmonary hypertension ( ATEPH ). Methods A canine model of ATEPH was developed by infusing thrombus into the femoral vein. The pulmonary arterial pressure was simultaneously measured via the right heart catheter. The maximum systolic peak flow velocity( S ), diastolic peak flow velocityC D ), atrial reverse peak flow velocityC AR ), and ventricular reverse peak flow velocity( VR )of the SVC were measured by Doppler echocardiography in the right supraclavicular fossa view. Paired samples f-test was used to compare the parameters before and after ATEPH. Simple linear regression was used to analyze the relations of the Doppler spectral indexes with the PASP. Results The models were successfully established in 24 dogs with the peak value of pulmonary arterial systolic pressure ( PASP ) greater than 30 mm Hg. Compared with the pre-embolization: S significantly decreased in the moderate and severe pulmonary hypertension group [( 15. 37 ± 8.08 ),( 14.72 ±7.42 ),( 19.92 ±7.27 )cm/s,f =2. 055,2.265,aU P <0.05 ],AR was significantly higher in the moderate and severe hypertension group[ ( 14. 08 ± 5.30),(21.84±6.56),(l0.05±2.8l)cm/s,f = -3.155, -8. 892,all P <0.05 ], VR was significantly higher in the severe pulmonary hypertension group[ ( 13. 03 ± 6.67),(8.87±2. 88)cm/s,f = -2. 101,P<0. 05 ]. The ratios of AR/S and VR/S increased significantly with the increase of PASP, and was positively correlated with PASP( r = 0.693,0.646, all P < 0. 01 ). Conclusion The ratios of AR/S and VR/S have good correlations with the pulmonary artery systolic pressure, and may provide good indexes for the assessment of pulmonary artery pressure.%目的 探索犬血栓栓塞性肺动脉高压模型上腔静脉血流频谱的变化规律及意义.方法 通过股静脉注入血栓栓子建立犬血栓栓

  10. Spanish sparkling wines (Cavas) as inhibitors of in vitro human low-density lipoprotein oxidation.

    Science.gov (United States)

    Satué-Gracia, M T; Andrés-Lacueva, C; Lamuela-Raventós, R M; Frankel, E N

    1999-06-01

    Forty-seven dealcoholized sparkling wines (cava) from the Penedès area in Spain were tested for their antioxidant activity in a low-density lipoprotein system. The effect of different quality-related parameters, such as harvest year or grape variety, was investigated. Twenty-two phenolic compounds were separated by high-performance liquid chromatography and identified by comparing their retention time and their ultraviolet spectra with those of pure standards. When tested at the same total phenol concentration, the antioxidant activity of these white sparkling wines was found to be similar to that reported for red wines. This activity was positively correlated with the total phenolic content, trans-caffeic acid, coumaric acid, protocatechuic acid, and quercetin 3-glucuronide. The wines made of the classic cava wine coupage had superior antioxidant activity compared to those of other cultivars.

  11. Creating a Fontan fenestration in a child with dextrocardia and interrupted inferior vena cava

    Directory of Open Access Journals (Sweden)

    Pradeepkumar Charlagorla

    2016-01-01

    Full Text Available Plastic bronchitis is a rare life-threatening complication of the Fontan operation. Transcatheter Fontan fenestration can ameliorate symptoms by decompressing elevated venous pressures. Transcatheter creation of a fenestration can be technically challenging in cases with complex venous anatomy. We report a case of a 5-year-old boy with heterotaxy, dextrocardia with unbalanced atrioventricular canal (AVC, atrial and visceral situs inversus, left-sided superior vena cava (SVC, and left-sided interrupted inferior vena cava (IVC with azygos continuation. With few modifications to the equipment, a successful Fontan fenestration with stent implantation was performed via transjugular approach. At 2-year follow-up, his symptoms of plastic bronchitis improved significantly.

  12. De revolucionarios, partidos y utopismos. Algunas reflexiones en torno a la izquierda mexicana

    Directory of Open Access Journals (Sweden)

    Alejandro González Gutiérrez

    2015-01-01

    Full Text Available En este ensayo se hace un análisis histórico sobre la política, la ideología y la postura de la izquierda comunista mexicana frente al Estado a lo largo del siglo XX. A partir de la experiencia del Partido Comunista Mexicano, el objetivo es arrojar una luz sobre la naturaleza histórica del sistema político mexicano a fin de comprender que la contención de las oposiciones políticas se logró mediante un complejo mecanismo de concesión y coerción. Fue gracias al empleo de ese mecanismo dual que el régimen logró afianzar su proyecto político en detrimento de otras propuestas como fue el caso de la izquierda. Frente a la imposición del neoliberalismo, este ensayo busca abrir espacios de reflexión sobre los retos, límites y alcances de la izquierda en el pasado y el presente.

  13. Total laparoscopic retrieval of inferior vena cava filter

    Directory of Open Access Journals (Sweden)

    Ehsan Benrashid

    2015-08-01

    Full Text Available While there is some local variability in the use of inferior vena cava filters and there has been some evolution in the indications for filter placement over time, inferior vena cava filters remain a standard option for pulmonary embolism prophylaxis. Indications are clear in certain subpopulations of patients, particularly those with deep venous thrombosis and absolute contraindications to anticoagulation. There are, however, a variety of reported inferior vena cava filter complications in the short and long term, making retrieval of the filter desirable in most cases. Here, we present the case of a morbidly obese patient complaining of chronic abdominal pain after inferior vena cava filter placement and malposition of the filter with extensive protrusion outside the inferior vena cava. She underwent successful laparoscopic retrieval of her malpositioned inferior vena cava filters after failure of a conventional endovascular approach.

  14. Bilhemia: a fatal complication following percutaneous placement of a transhepatic inferior vena cava catheter in a child

    Energy Technology Data Exchange (ETDEWEB)

    Sierre, Sergio; Lipsich, Jose; Questa, Horacio [Hospital de Pediatria Prof JP Garrahan, Department of Interventional Radiology, Buenos Aires (Argentina)

    2007-05-15

    A transhepatic central venous catheter was implanted in a 2-year-old child with a history of multiple venous access procedures and superior and inferior vena cava thrombosis. After 2 weeks, inadvertent dislodgement of the catheter was complicated by a biloma. The biloma was percutaneously drained, but a biliary-venous fistula led to a rapidly progressive and fatal bilhemia. We report this case as an infrequent complication of transhepatic catheterization. (orig.)

  15. Referentes internacionales para el giro reformista de la izquierda chilena (1975-1990

    Directory of Open Access Journals (Sweden)

    Marcelo Mella Polanco

    2011-01-01

    Full Text Available El presente artículo analiza el giro reformista de la izquierda chilena durante el régimen autoritario de Pinochet. Para lograrlo, se expone cómo la penetración de ideas provenientes del marxismo analítico homogeneizó un importante sector de intelectuales y expertos opositores de Pinochet, constituyendo, de esta forma, un nuevo mainstream político-académico capaz de renovar los marcos epistémicos de las ciencias sociales y diseñar la transición a la democracia.

  16. La reemergencia del discurso nacional-popular en la nueva izquierda latinoamericana

    DEFF Research Database (Denmark)

    Cancino, Hugo

    2012-01-01

    En este artículo analizamos la reemergencia del discurso nacional-popular. Los movimientos nacional-populares son un fenómeno recurrente en la historia de América Latina. Las revoluciones y los movimientos sociales más significativos del siglo XX fueron los movimientos nacional-populares. Para...... nuevo Estado, a través de la democracia radical, los cuales sustituyen la oligarquía del Estado y de la Nación Criolla que excluyeron indígenas y mestizos del poder y de la riqueza. Palabras claves: Discurso; Nacional-popular; Izquierda...

  17. Imágenes y representaciones en el periodismo de izquierda en México

    OpenAIRE

    Maricruz Castro Ricalde

    2006-01-01

    El artículo presenta los resultados de una investigación acerca de los imaginarios de la cinematografía dirigida por mujeres, creados por la prensa de izquierda en México durante la década de los ochenta. El modelo de análisis aplicado parte de la propuesta de Michel Pêcheux sobre las formaciones imaginarias, pero tomando en cuenta las condiciones de producción, circulación y recepción del discurso, y no sólo el estudio de los elementos intradiscursivos, ...

  18. Nociones sobre “democracia obrera” y “burocracia sindical” en la izquierda de los años 70. Una comparación entre la izquierda peronista y la izquierda marxista

    Directory of Open Access Journals (Sweden)

    Rafael FARACE

    2016-02-01

    Full Text Available Este trabajo estudia las nociones sobre democracia obrera y burocracia sindical utilizadas por las organizaciones de izquierda durante la década de 1970 a partir del análisis de fuentes documentales como volantes, boletines, prensa y documentos partidarios. Se examinará en particular los casos de dos organizaciones peronistas (Montoneros y Peronismo de Base y una organización marxista (Partido Revolucionario de los Trabajadores – Ejército Revolucionario del Pueblo, estableciéndose comparaciones que den cuenta de la importancia de la adscripción ideológica y la estrategia política como condicionantes de los sentidos otorgados a la burocracia y democracia sindical. Por otra parte, se focalizará el estudio de publicaciones realizadas en el año 1975 debido a que en el marco de las jornadas de lucha obrera desarrolladas ese año se concentraron y profundizaron debates y concepciones al calor de la experiencia inédita de la clase trabajadora.

  19. Izquierda y derecha: formas de definirlas, el caso latinoamericano y sus implicaciones

    Directory of Open Access Journals (Sweden)

    Luis Eduardo GONZÁLEZ FERRER

    2014-01-01

    Full Text Available Izquierda y derecha (o liberales y conservadores son conceptos usados ampliamente para estudiar partidos y otros objetos políticos, pero tienen al menos dos problemas. Primero, no es claro que sean útiles fuera de las democracias prósperas. Segundo, no se los define de una única manera: hay dos grandes familias de enfoques. Por un lado, una tradición histórico-analítica y, por otro, un enfoque basado en las teorías espaciales de la competencia entre partidos. Este artículo compara dos clasificaciones de los partidos políticos de América Latina en la escala izquierda-derecha basadas en esos enfoques y muestra que son muy diferentes. En segundo lugar, sugiere una explicación para esas diferencias basada en pautas sistemáticas observadas en los datos, explicación que conduce a varias hipótesis que pueden ser verificadas empíricamente. Finalmente, muestra que la evidencia y la literatura disponibles apoyan esas hipótesis, y por lo tanto la explicación en sí misma.

  20. La segunda república: un discurso esquivo en la izquierda colombiana

    Directory of Open Access Journals (Sweden)

    Miguel Antonio Espinosa Rico

    2013-01-01

    Full Text Available El artículo trata sobre el estado actual de la realidad de la izquierda colombiana y su relación con la crisis del estado moderno colombiano. Se argumenta con FalsBorda (2001 y otros, que la globalización constituye un tema central para la consolidación del capitalismo colombiano, considerando con los autores revisados que el Estado Moderno representa la estructura sobre la cual se yergue el capitalismo en Occidente, pero que en Latinoamérica, y en especial, en la República Neogranadina, sienta las bases para la perpetuación del sistema. Analiza el sistema de división territorial colombiano para establecer premisas de dominio del régimen capitalista sobre el ciudadano común. Se concluye que el nuevo país solo es posible con sueño de la izquierda de la Segunda República, que reivindica las regiones como pilar fundamental para la dignidad del pueblo colombiano.

  1. Computational Modeling of Blood Flow in the TrapEase Inferior Vena Cava Filter

    Energy Technology Data Exchange (ETDEWEB)

    Singer, M A; Henshaw, W D; Wang, S L

    2008-02-04

    To evaluate the flow hemodynamics of the TrapEase vena cava filter using three dimensional computational fluid dynamics, including simulated thrombi of multiple shapes, sizes, and trapping positions. The study was performed to identify potential areas of recirculation and stagnation and areas in which trapped thrombi may influence intrafilter thrombosis. Computer models of the TrapEase filter, thrombi (volumes ranging from 0.25mL to 2mL, 3 different shapes), and a 23mm diameter cava were constructed. The hemodynamics of steady-state flow at Reynolds number 600 was examined for the unoccluded and partially occluded filter. Axial velocity contours and wall shear stresses were computed. Flow in the unoccluded TrapEase filter experienced minimal disruption, except near the superior and inferior tips where low velocity flow was observed. For spherical thrombi in the superior trapping position, stagnant and recirculating flow was observed downstream of the thrombus; the volume of stagnant flow and the peak wall shear stress increased monotonically with thrombus volume. For inferiorly trapped spherical thrombi, marked disruption to the flow was observed along the cava wall ipsilateral to the thrombus and in the interior of the filter. Spherically shaped thrombus produced a lower peak wall shear stress than conically shaped thrombus and a larger peak stress than ellipsoidal thrombus. We have designed and constructed a computer model of the flow hemodynamics of the TrapEase IVC filter with varying shapes, sizes, and positions of thrombi. The computer model offers several advantages over in vitro techniques including: improved resolution, ease of evaluating different thrombus sizes and shapes, and easy adaptation for new filter designs and flow parameters. Results from the model also support a previously reported finding from photochromic experiments that suggest the inferior trapping position of the TrapEase IVC filter leads to an intra-filter region of recirculating

  2. Tomographic anatomy of the vena cava and renal veins: features relevant to vena cava filter placement

    Directory of Open Access Journals (Sweden)

    Thiago Melo do Espírito Santo

    2015-03-01

    Full Text Available BACKGROUND: There is a growing demand for invasive procedures involving the inferior vena cava, in particular for placement of vena cava filters. It is not always easy to identify the more distal renal vein with cavography, for safe release of filters. OBJECTIVES: To determine parameters for the relationships between the renal veins and the infrarenal vena cava and their corresponding vertebral bodies, their relationships with biotype and the occurrence of anatomic variations, the relationships between vertebral bodies and the bifurcation of the common iliac veins and the distance from this bifurcation to the outflow of the more distal renal vein, with reference to placement of vena cava filters. METHODS: A total of 150 abdominal computed tomography scans conducted from October to November 2011 were analyzed and classified according to the biotype exhibited (using Charpy's angle. Scans were performed at MEDIMAGEM and analyzed at the Integrated Vascular Surgery Service, both part of Hospital da Beneficência Portuguesa in São Paulo, Brazil. RESULTS: In 127 of the 150 scans analyzed (84.66%, the more distal renal vein emerged between the first lumbar intervertebral space (L1-L2 and the body of L2, irrespective of patient biotype. Just 23 patients (15.33% exhibited a more distal renal vein with outflow below the body of L2, i.e. in the projection of the space between L2 and L3. CONCLUSIONS: The radiological correlation between the confluence of the more distal renal vein and vertebral bodies exhibits little variation, irrespective of the biotype of the patient.

  3. Suprarenal symplastic leiomyoma of the inferior vena cava.

    Science.gov (United States)

    Kepenekci, Ilknur; Demirkan, Arda; Sözener, Ulas; Cakmak, Atil; Demirer, Seher; Alaçayir, Iskender; Ekinci, Cemil

    2009-01-01

    We report on a case of a leiomyoma in the inferior vena cava that appeared in the image to be located in the adrenal gland. En bloc excision of the tumor with the right adrenal gland and the involved segment of the vena cava was carried out. Histopathological work-up of the tumor revealed smooth muscle fibers and marked nuclear pleomorphism consistent with symplastic leiomyoma. This case report presents a distinct histological variant of the rarely seen primary smooth muscle tumor of the inferior vena cava.

  4. Congenital anomalies of the inferior vena cava

    Energy Technology Data Exchange (ETDEWEB)

    Malaki, M., E-mail: mbmv@doctors.org.uk [Department of Clinical Radiology, Queen Elizabeth Hospital, Birmingham (United Kingdom); Willis, A.P.; Jones, R.G. [Department of Clinical Radiology, Queen Elizabeth Hospital, Birmingham (United Kingdom)

    2012-02-15

    Congenital anomalies of the inferior vena cava (IVC) and its tributaries are increasingly recognized in asymptomatic patients due to the more frequent use of cross-sectional imaging and computed tomography (CT) in particular. IVC development is a complex process involving formation of anastomoses between three pairs of embryonic veins in the 4th to 8th week of gestation. Various permutations occur in the basic venous plan of the abdomen and pelvis resulting in variants such as isolated left IVC, double IVC, and retroaortic left renal vein. The majority of these anomalies are asymptomatic but occasionally present clinically with thromboembolic complications. However, awareness of their existence is important to avoid important diagnostic pitfalls and in preoperative surgical and interventional radiological planning.

  5. De revolucionarios, partidos y utopismos. Algunas reflexiones en torno a la izquierda mexicana

    OpenAIRE

    Alejandro González Gutiérrez

    2015-01-01

    En este ensayo se hace un análisis histórico sobre la política, la ideología y la postura de la izquierda comunista mexicana frente al Estado a lo largo del siglo XX. A partir de la experiencia del Partido Comunista Mexicano, el objetivo es arrojar una luz sobre la naturaleza histórica del sistema político mexicano a fin de comprender que la contención de las oposiciones políticas se logró mediante un complejo mecanismo de concesión y coerción. Fue gracias al empleo de ese mecanismo dual que ...

  6. Pseudo-aneurisma post-traumático de tronco de arteria coronaria izquierda

    Directory of Open Access Journals (Sweden)

    Melina M. Gallo

    2011-08-01

    Full Text Available El pseudo-aneurisma de arteria coronaria es extremadamente raro. Su historia natural es poco conocida y su tratamiento discutido. Se presenta el caso de un paciente con pseudo-aneurisma de tronco de la coronaria izquierda e infarto antero-apical del ventrículo izquierdo cinco años después de un paro cardíaco secundario a un traumatismo no penetrante de tórax. Se consideró entonces que la lesión no era pasible de corrección percutánea o quirúrgica por lo que se optó por tratamiento médico conservador. Una angiografía coronaria por tomografía computarizada multicorte realizada 10 años después del evento inicial mostró ausencia de progresión de la lesión.

  7. Neoplasms of the inferior vena cava - pictorial essay

    International Nuclear Information System (INIS)

    This pictorial essay reviews common and rare neoplasms affecting the inferior vena cava (IVC, Table 1), with a particular emphasis on the clinical implications and the role and efficacy of the various imaging techniques. (author)

  8. [Des]igualdad y anarquismo. Derecha e izquierda en el ideario anarquista

    Directory of Open Access Journals (Sweden)

    Garaventa, Carlos A.

    2011-12-01

    Full Text Available Dentro del ideario anarquista podemos encontrar muchísimas vertientes ideológicas diferentes que nos hacen imposible dar una definición unívoca de esta corriente de pensamiento o, mejor dicho, de vida. Podemos señalar, sin embargo, una característica común a todo ideal ácrata: la oposición al Estado. Es posible señalar también, en un anarquismo puro, el respeto de los tres pilares fundadores de la Revolución Francesa, pero con una dinámica diferente: en lugar de considerarlos aisladamente, para el anarquismo puro, el trinomio debe funcionar como un todo único. Esto da lugar al triángulo virtuoso de libertad, igualdad y fraternidad; sin embargo, no todos los anarquistas defienden íntegramente este triángulo. Hay autores que, por ejemplo, no prestan atención a la igualdad. Siguiendo el esquema de distinción política que da Norberto Bobbio en Derecha e izquierda podemos realizar una diferenciación entre los anarquistas de ambos lados del abanico político. Esta diferencia la marca, según Bobbio, la aspiración, o no, a una sociedad igualitaria. En consecuencia, serán de izquierda aquellos anarquistas que defiendan la igualdad y, por ende, el triángulo virtuoso. Serán anarquistas de derecha, en cambio, aquellos que deseen la abolición del Estado pero haciendo caso omiso de si la sociedad se vuelve o no igualitaria.

  9. Troubleshooting OptEase inferior vena cava filter retrieval.

    Science.gov (United States)

    Nakashima, Masaya; Kobayashi, Hideaki; Kobayashi, Masayoshi

    2016-01-01

    For treatment of deep vein thrombosis and prevention of pulmonary thromboembolism, a retrievable inferior vena cava filter is commonly utilized as an effective bridge to anticoagulation. However, we have experienced difficulties in retrieving inferior vena cava filters. Endovascular retrieval assisted by disposable biopsy forceps is an appropriate approach because it provides a less-invasive low-cost way to remove a migrated filter. We suggest this troubleshooting technique to deal with filter hook migration into the caval wall. PMID:24828829

  10. Entre el humanismo cívico y el liberalismo de izquierda

    Directory of Open Access Journals (Sweden)

    Daguerre, Martín

    2005-12-01

    Full Text Available I shall begin by exposing the «humanist» criticism of leftwing liberalism and analizing W. Kymlicka's left liberal response to it, while highlighting its coincidences with classical republicanism. I shall then argue that, even if we accept Kymlicka's response, leftwing liberalism is still problematic due to its difficulty in generating political participation. Liberal separation of ethics and politics renders political participation in unjust societies pointless. In order to surmount this problem, we need to resort to the intrinsic value of participation, as humanists do, while avoiding a defense of participation for its own sake, that would carry counter intuitive consequences, as shown by Kymlicka in his defense of liberalism. With a view to avoiding the problems of both liberalism and humanism, I shall draw an analogy between friendship and political relationships and propose a definition of the latter that will show we need not incur the dangers of appealing to religious or national identities or the like in order make political participation intrinsicly valuable.

    Comenzaré exponiendo la crítica «humanista» al liberalismo de izquierda y analizando la respuesta a la misma que, desde esta última postura, ofrece W. Kymlicka, y destacaré sus coincidencias con el republicanismo clásico. Argumentaré luego que, aun aceptando la respuesta de Kymlicka, el liberalismo de izquierda no deja de tener dificultades a la hora de generar participación ciudadana. La diferenciación que hace entre ética y política hace que carezca de sentido la participación política en sociedades injustas. Para superar este problema, es necesario apelar --como los humanistas- al valor intrínseco de la participación, pero evitando una defensa de la participación por la participación misma, que acarrearía -como señala Kymlicka en su defensa del liberalismo- consecuencias contraintuitivas. A fin de evitar tanto los problemas del liberalismo como los

  11. The North Atlantic Oscillation affects the quality of Cava (Spanish sparkling wine).

    Science.gov (United States)

    Real, Raimundo; Báez, José Carlos

    2013-05-01

    This study explores the possible effects of the North Atlantic Oscillation (NAO) on the quality of Spanish Cava. We found a significant negative relationship between the mean NAO for the months of March through August of each year between 1970 and 2008 and the probability of obtaining a top quality Cava. The NAO is associated with temperature and rainfall variations in the Cava region, which affect vine physiological processes during grape maturity. The probability of obtaining a top quality Cava was highest when the mean value of the NAO was negative, which causes the mean temperature in the Cava area to decrease, with positive consequences on Cava quality. Although the overall discrimination capacity and explanatory power of the model were low, 80% of clearly favorable years were classified correctly as corresponding to top quality Cava, and 70% of clearly unfavorable years were classified correctly as non top quality Cava.

  12. Entrapment of J-tip guidewires by Venatech and stainless-steel Greenfield vena cava filters during central venous catheter placement: percutaneous management in four patients.

    Science.gov (United States)

    Andrews, R T; Geschwind, J F; Savader, S J; Venbrux, A C

    1998-01-01

    We present four patients in whom bedside placement of a central venous catheter was complicated by entrapment of a J-tip guidewire by a previously placed vena cava (VC) filter. Two Venatech filters were fragmented and displaced into the superior VC or brachiocephalic vein during attempted withdrawal of the entrapped wire. Two stainless-steel Greenfield filters remained in place and intact. Fluoroscopically guided extraction of both wires entrapped by Greenfield filters was successfully performed in the angiography suite.

  13. Imágenes y representaciones en el periodismo de izquierda en México

    Directory of Open Access Journals (Sweden)

    Maricruz Castro Ricalde

    2006-01-01

    Full Text Available El artículo presenta los resultados de una investigación acerca de los imaginarios de la cinematografía dirigida por mujeres, creados por la prensa de izquierda en México durante la década de los ochenta. El modelo de análisis aplicado parte de la propuesta de Michel Pêcheux sobre las formaciones imaginarias, pero tomando en cuenta las condiciones de producción, circulación y recepción del discurso, y no sólo el estudio de los elementos intradiscursivos, de manera acorde con los presupuestos de la Escuela Francesa del Discurso. La de los ochenta fue una época en la cual el movimiento feminista en México parecía haberse consolidado y, como consecuencia, podría suponerse el interés de los medios de comunicación hacia los problemas de género, el quehacer femenino y sus ámbitos de acción, especialmente en aquellos medios que acababan de surgir como alternativa a las tendencias oficiales.

  14. Syndrome of the superior caval vene - clinical findings, etiology and case reports

    Energy Technology Data Exchange (ETDEWEB)

    Serdarevic, M.; Loehr, E.; Reidemeister, J.C.

    1984-06-01

    The so-called superior-Cava Syndrome is caused by obstructions by centrally localized tumors by thrombosis or by inflammations of the mediastinum. In cases of tumorous infiltration a graft can be inserted. The different phenomena of thrombosis caused by nutritial catheters and pace makers are of clinical importance. Acute thrombosis of the brachio-cervical veins and the Vena Cava can be treated successfully by means of thrombolysis. Besides CT bilateral brachial phlebography communicates optimal information concerning localization of vascular obstruction and collateral circuits.

  15. Trimodality Therapy for an Advanced Thymic Carcinoma With Both Aorta and Vena Cava Invasion.

    Science.gov (United States)

    Momozane, Tohru; Inoue, Masayoshi; Shintani, Yasushi; Funaki, Soichiro; Kawamura, Tomohiro; Minami, Masato; Shirakawa, Yukitoshi; Kuratani, Toru; Sawa, Yoshiki; Okumura, Meinoshin

    2016-08-01

    A case of locally advanced thymic carcinoma that was successfully resected with the great vessels after chemoradiation therapy is reported. A 57-year-old man with Masaoka stage III thymic carcinoma received two cycles of cisplatin/docetaxel and 60 Gy irradiation. The response was stable disease with 19% size reduction, and a radical resection with the ascending aorta and superior vena cava with the patient under circulatory arrest with the use of cardiopulmonary bypass was performed. The postoperative course was uneventful, and the patient has been free of disease for 28 months. Trimodality therapy with use of a cardiovascular surgical procedure might be a valuable option in locally advanced thymic carcinoma. PMID:27449450

  16. Liver trauma and transection of the inferior vena cava

    International Nuclear Information System (INIS)

    CT of a child with severe liver trauma due to a seat belt injury demonstrated avulsion of a portion of the lateral segment of the left lobe of the liver. The location of nondependent extravasated contrast material aided in identification of the visceral fracture site (the sentinel contrast sign). Associated transection of the inferior vena cava was evidenced by hypoatenuating zones adjacent to all the major hepatic veins and vena cava (hepatic perivenous tracking). Recognition of these two signs is important so that the radiologist can help the surgeon select the optimal operative approach. (orig.)

  17. Leiomiossarcoma da veia cava inferior: relato de caso

    Directory of Open Access Journals (Sweden)

    Rafael Lemos Nascif

    2014-12-01

    Full Text Available Relatamos um caso de paciente do sexo feminino, 48 anos, com quadro clínico de dor abdominal de moderada intensidade e abaulamento do abdome. Ao exame físico constatou-se massa abdominal palpável. A tomografia computadorizada mostrou volumosa massa retroperitoneal, com realce heterogêneo e íntima relação com a veia cava inferior. Realizou-se ressecção em bloco da massa e do segmento invadido da veia cava. A histologia revelou leiomiossarcoma.

  18. Bilateral inferior vena cava filter insertion in a patient with duplication of the infrarenal vena cava.

    LENUS (Irish Health Repository)

    Leong, S

    2010-06-19

    BACKGROUND: Inferior vena cava (IVC) filter insertion is a commonly performed procedure for indications such as recurrent pulmonary emboli or contraindication to anticoagulation. Symptomatic duplication of the IVC is exceedingly rare with only a handful of cases being described in the literature. AIM: We report an unusual case of a patient with symptomatic duplication of the IVC. RESULT: A 53-year-old woman presented at our hospital for resection of a cerebral metastasis from a non-small cell lung cancer following a recent diagnosis of bilateral lower limb deep venous thrombosis. This required perioperative reversal of anticoagulation and IVC filter insertion. Conventional venography performed during filter insertion documented the existence of a duplicated IVC. CONCLUSION: We present a case of a symptomatic duplication of the IVC requiring filter insertion. We review the developmental anatomy of the IVC along with the diagnostic findings and management strategies available.

  19. Vena cava agenesi kan vise sig som inkarcereret lyskebrok

    DEFF Research Database (Denmark)

    Safir-Hansen, Kristina; Achiam, Michael Patrick

    2014-01-01

    The case describes a 45-year-old man with a rare finding of vena cava agenesia presented as incarcerated groin hernia. From childhood the patient had developed dilatation of subcutaneous veins with establishment of aneurismal dilatation in the lower right side of the abdomen and groin. The patient...

  20. INFERIOR VENA-CAVA OBSTRUCTION AFTER ORTHOTOPIC LIVER-TRANSPLANTATION

    NARCIS (Netherlands)

    BROUWERS, MAM; DEJONG, KP; PEETERS, PMJG; BIJLEVELD, CMA; KLOMPMAKER, IJ; SLOOFF, MJH

    1994-01-01

    Post-operative inferior vena cava (IVC) obstruction is reported as an uncommon complication after orthotopic liver transplantation (OLT). We report 6 cases after 245 OLT's in the period between March '79 and December '92. Compression or torsion of the IVC or a technical problem were underlying cause

  1. Persistent Left Superior Vena Cava, The View of a Rare Case

    OpenAIRE

    H.Volkan Kara

    2013-01-01

    The glenohumeral joint is the most commonly dislocated joint in the human body. Anterior dislocatin is the most common type and posterior dislocations account for <1% of shoulder dislocations.  A 68-yearold woman was brought to the emergency department by ambulance  with shoulder pain following a fall from stairs. On local physical examination, there was severe pain on the left proximal humerus. The left arm was in internal rotation in the adducted position. Active and passive mo...

  2. Persistent Left Superior Vena Cava, The View of a Rare Case

    Directory of Open Access Journals (Sweden)

    H.Volkan Kara

    2013-10-01

    Full Text Available The glenohumeral joint is the most commonly dislocated joint in the human body. Anterior dislocatin is the most common type and posterior dislocations account for <1% of shoulder dislocations.  A 68-yearold woman was brought to the emergency department by ambulance  with shoulder pain following a fall from stairs. On local physical examination, there was severe pain on the left proximal humerus. The left arm was in internal rotation in the adducted position. Active and passive movements of the left shoulder were painful and limited. The neurovascular examination of the left upper extremity revealed no deficit. Radiographs of her left shoulder were performed and no significant pathology was identified in the left shoulder anteroposterior (AP X-ray (Figure 1. Axillary radiography could not be performed because of painful arm movements. Therefore, CT was performed to clarify any existing shoulder pathology (Figure 2. Closed reduction under conscious sedation was performed with longitudinal and lateral traction on the arm to protect the humeral head. Control CT was performed and this revealed that reduction had improved the shoulder (Figure 3. She was then treated with an arm sling and discharged with an outpatient orthopaedic control visit.

  3. Estudio hermenéutico de la izquierda colombiana como alternativa política de partido

    Directory of Open Access Journals (Sweden)

    Emma Doris López

    2013-07-01

    Full Text Available ResumenEl presente estudio hermenéutico parte de los argumentosplanteados en el seminario electivo de comportamientopolítico, en el Doctorado de Ciencias Políticas,orientado por el doctor José Enrique Molina.La interpretación política de la izquierda en Colombiaha incidido a través de la historia como una fuerzaque, a pesar de su fragmentación, hoy se está consolidandocomo una alternativa de partido que abarca el manejode los comportamientos electorales desde lo psicológicoy lo sociológico.Este artículo está fundamentado en Pérez (2006 y enlos planteamientos de Torcal y Mainwaring. Se trató deinterpretar la posición de la izquierda como política alternativapara el mejoramiento de los estados sociales enlos países de América Latina.Palabras clave: Hermenéutica, Política de izquierda,Comportamiento electoral. AbstractThis hermeneutic study of the arguments raised inthe seminar elective political behavior, the Ph.D. in PoliticalScience, guided by Dr. José Enrique Molina.The political interpretation of the left in Colombiahas affected through history as a power that, despite itsfragmentation, today is emerging as an alternative partythat covers the management of electoral behavior fromthe psychological and the sociological.This paper it is based on Pérez (2006 and approachesTorcal and Mainwaring. He tried to interpret the positionof the left as an alternative for improving social conditionsin Latin American politics.Keywords: Hermeneutics, Leftist politics, ElectoralbehaviorCómo

  4. Agenesia de veia cava inferior associada à trombose venosa profunda Agenesis of inferior vena cava associated with deep venous thrombosis

    Directory of Open Access Journals (Sweden)

    Clovis Luis Konopka

    2010-09-01

    Full Text Available A agenesia da veia cava inferior é uma anomalia congênita rara, que foi recentemente identificada como um importante fator de risco para o desenvolvimento e a recorrência de trombose venosa profunda de membros inferiores em jovens. O objetivo deste trabalho foi relatar o caso de uma paciente que apresentou trombose venosa profunda dois meses após a realização de cirurgia de varizes. A angiotomografia computadorizada demonstrou a presença de anomalia venosa complexa com ausência da veia cava inferior.The agenesis of the inferior vena cava is a rare congenital anomaly, which was recently identified as an important risk factor for the development and recurrence of deep venous thrombosis especially in young people. The goal of this work was to report the case of a patient who presented deep venous thrombosis approximately two months after varicose vein surgery. The computerized angiotomography demonstrated the presence of a complex venous anomaly with absence of the inferior vena cava.

  5. El contexto histórico del chavismo y los partidos políticos venezolanos de la izquierda

    Directory of Open Access Journals (Sweden)

    Rickard Lalander

    2008-01-01

    Full Text Available Muchos académicos han ignorado la importancia de conexiones históricas entre el movimiento político alrededor del Presidente venezolano Hugo Rafael Chávez Frías (Chavismo y los partidos políticos históricos de la izquierda. En este artículo se analizan las raíces, así como el desarrollo y la situación actual del Chavismo a través de consideraciones históricas sobre los partidos políticos izquierdistas del país. Se consideran aspectos de conflicto y cambio por dentro y fuera del Chavismo en el contexto de la democracia venezolana y los actores políticos de izquierda, tanto los que han estado asociados al movimiento de Chávez, como los de la presente y reciente oposición política. Asimismo, se consideran el carácter personalista del Chavismo y sus posibles implicaciones para el sistema partidista y los partidos políticos individuales.

  6. Double vena cava inferior:A report of three cases

    Institute of Scientific and Technical Information of China (English)

    Isin Ureyen; Zeynep Kestel; Elif Gulsah Sahin; Alper Karalok; Taner Turan; Nurettin Boran; Gokhan Tulunay

    2013-01-01

    Congenital anomalies of the vena cava inferior (VCI) develop as a result of the persistence of the embryonic venous system. The majority of cases is clinically silent and is diagnosed in routine dissection studies, in retroperitoneal surgeries, or through imaging for other reasons. We report three cases with a double VCI. We outline our operative policy, summarize the embryological development of the VCI and present these cases as a reminder of this rare anatomical variation.

  7. Unusual variant of infrarenal duplication of inferior vena cava

    Directory of Open Access Journals (Sweden)

    Ranjan Kumar Sahoo

    2016-01-01

    Full Text Available Infrarenal inferior vena cava (IVC duplication is a rare anomaly. Most of the cases are asymptomatic and are detected incidentally. Prior knowledge of the anomaly is essential for safe procedure by intervention radiologist, retroperitoneal operation, and multi-visceral recovery operation from deceased donor by surgeon. We report a case of infrarenal IVC duplication detected incidentally during contrast-enhanced computed tomography examination of abdomen of a patient presenting with viral hepatitis and mild obstructive jaundice.

  8. Modeling Flow Past a Tilted Vena Cava Filter

    International Nuclear Information System (INIS)

    Inferior vena cava filters are medical devices used to prevent pulmonary embolism (PE) from deep vein thrombosis. In particular, retrievable filters are well-suited for patients who are unresponsive to anticoagulation therapy and whose risk of PE decreased with time. The goal of this work is to use computational fluid dynamics to evaluate the flow past an unoccluded and partially occluded Celect inferior vena cava filter. In particular, the hemodynamic response to thrombus volume and filter tilt is examined, and the results are compared with flow conditions that are known to be thrombogenic. A computer model of the filter inside a model vena cava is constructed using high resolution digital photographs and methods of computer aided design. The models are parameterized using the Overture software framework, and a collection of overlapping grids is constructed to discretize the flow domain. The incompressible Navier-Stokes equations are solved, and the characteristics of the flow (i.e., velocity contours and wall shear stresses) are computed. The volume of stagnant and recirculating flow increases with thrombus volume. In addition, as the filter increases tilt, the cava wall adjacent to the tilted filter is subjected to low velocity flow that gives rise to regions of low wall shear stress. The results demonstrate the ease of IVC filter modeling with the Overture software framework. Flow conditions caused by the tilted Celect filter may elevate the risk of intrafilter thrombosis and facilitate vascular remodeling. This latter condition also increases the risk of penetration and potential incorporation of the hook of the filter into the vena caval wall, thereby complicating filter retrieval. Consequently, severe tilt at the time of filter deployment may warrant early clinical intervention.

  9. Modeling Flow Past a Tilted Vena Cava Filter

    Energy Technology Data Exchange (ETDEWEB)

    Singer, M A; Wang, S L

    2009-06-29

    Inferior vena cava filters are medical devices used to prevent pulmonary embolism (PE) from deep vein thrombosis. In particular, retrievable filters are well-suited for patients who are unresponsive to anticoagulation therapy and whose risk of PE decreased with time. The goal of this work is to use computational fluid dynamics to evaluate the flow past an unoccluded and partially occluded Celect inferior vena cava filter. In particular, the hemodynamic response to thrombus volume and filter tilt is examined, and the results are compared with flow conditions that are known to be thrombogenic. A computer model of the filter inside a model vena cava is constructed using high resolution digital photographs and methods of computer aided design. The models are parameterized using the Overture software framework, and a collection of overlapping grids is constructed to discretize the flow domain. The incompressible Navier-Stokes equations are solved, and the characteristics of the flow (i.e., velocity contours and wall shear stresses) are computed. The volume of stagnant and recirculating flow increases with thrombus volume. In addition, as the filter increases tilt, the cava wall adjacent to the tilted filter is subjected to low velocity flow that gives rise to regions of low wall shear stress. The results demonstrate the ease of IVC filter modeling with the Overture software framework. Flow conditions caused by the tilted Celect filter may elevate the risk of intrafilter thrombosis and facilitate vascular remodeling. This latter condition also increases the risk of penetration and potential incorporation of the hook of the filter into the vena caval wall, thereby complicating filter retrieval. Consequently, severe tilt at the time of filter deployment may warrant early clinical intervention.

  10. Inferior vena cava leiomyosarcoma confirmed by catheter suction biopsy during digital subtraction angiography

    OpenAIRE

    Wei, Ning; Xu, Xiang-Dong; Xu, Hao; ZU, MAO-HENG

    2014-01-01

    Leiomyosarcoma of vascular origin is a rare disease and most cases arise in the inferior vena cava. Inferior vena cava leiomyosarcoma (IVCLMS) usually presents in females in their sixth decade of life. The clinical symptoms are often non-specific and the diagnosis is often delayed. Current imaging techniques can accurately differentiate inferior vena cava neoplasms from other non-neoplastic lesions. However, definitive diagnosis of IVCLMS needs histologic evidence. We report a case of IVCLMS ...

  11. [Mitral surgery by superior biatrial septotomy].

    Science.gov (United States)

    Saade, A; Delepine, G; Lemaitre, C; Baehrel, B

    1995-01-01

    The superior biatrial septotomy approach consists of two semicircular right atrial and septal incisions joined at the superior end of the interatrial septum and extended across the dome of the left atrium, allowing exposure of the mitral valve by reflecting the ventricular side using stay sutures. From 1991 to 1993, 81 patients underwent mitral valve surgery by this technic. Mitral valve operation was combined with other cardiac procedures in 30 patients (37%) and was performed as a second operation in 21 patients (25.9%). Duration of cardiopulmonary bypass and aortic occlusion was not significantly different from that of patients operated via a conventional left atrial approach. The five hospital deaths (6.2%) were not related to this operative approach. Only 2 patients (3.3%) with preoperative in sinus rythm were discharged in atrial fibrillation after operation. In one patient (1.6%), atrioventricular block appeared at late follow-up. There were no cases of bleeding, atrioventricular nodal dysfunction or intra-atrial shunting related to the approach. This approach provides excellent exposure of the mitral valve even in unfavorable situations such as a small left atrium, dense adhesions from previous procedures or a previously implanted aortic prosthesis, without damage to various cardiac structures due to excessive traction. No retractor or vena cava repair are required. These data support a wide application of the superior biatrial septotomy approach in mitral valve surgery.

  12. A Giant Mesenteric Desmoid Tumor Revealed by Acute Pulmonary Embolism due to Compression of the Inferior Vena Cava

    Science.gov (United States)

    Palladino, Elisa; Nsenda, Joseph; Siboni, Renaud; Lechner, Christian

    2014-01-01

    Patient: Male, 69 Final Diagnosis: Mesenteric desmoid tumor Symptoms: — Medication: — Clinical Procedure: — Specialty: Surgery Objective: Rare disease Background: Intra-abdominal fibromatosis is a benign rare tumor of fibrous origin with a significant potential for local invasion and no ability to metastasize, but it can recur. The etiology of desmoid tumors is unknown. It is often associated with conditions such as familial adenomatous polyposis and Gardner syndrome. Case Report: We report the case of a 69-year-old man who presented to our hospital with an acute pulmonary embolism. The patient had a past history of colic surgery for a polyp with a high-grade dysplasia. Pulmonary angiography showed partial occlusion of the right superior lobe artery and partial occlusion of the middle lobe artery. The patient was given thrombolytic therapy. Abdominal computerized tomography revealed a mesenterial giant mass with compression of the inferior vena cava (IVC). A biopsy of the mass, confirming aggressive fibromatosis. A laparotomy was performed, which revealed a massive growth occupying the abdomen and attached to the previous ileocolic anastomosis. One day after surgery, his condition deteriorated. Conclusions: This report underlines the potential of imaging investigations of abdomen and vena cava if pulmonary embolism is suspected, especially when there is no evidence of peripheral venous thrombosis or other predisposing factors. Unfortunately, data on the surgical management of desmoid tumor is scarce. Therefore, the standard of treatment is a surgical resection for resectable tumors. PMID:25180474

  13. La renta básica universal en Cataluña. ¿Una propuesta de izquierdas?

    OpenAIRE

    Carpio Aznar, Marina

    2015-01-01

    Con alrededor de un 20% de la población catalana por debajo del umbral de la pobreza, hay partidos que defienden la renta mínima de inserción vigente; otros, en cambio, apuestan por una renta garantizada de ciudadanía. Pero, ¿hay algún partido que contemple la implementación de la renta básica universal en Cataluña? A priori, podría asociarse esta propuesta a una ideología de izquierdas, debido a su carácter plenamente igualitario. Esta es, de hecho, la principal hipótesis del presente estudi...

  14. Deep venous thrombosis in a young woman with hypoplastic inferior vena cava.

    Science.gov (United States)

    Lavens, Matthias; Moors, Boudewijn; Thomis, Sarah

    2014-05-01

    We present a 33-year-old woman with deep venous thrombosis of the left iliac vein and the left lower limb. A computed tomography scan of her abdomen revealed a hypoplastic inferior vena cava and agenesis of the right kidney. Congenital anomalies of the inferior vena cava are uncommon and are sometimes an unrecognized cause of deep venous thrombosis.

  15. Leiomioma benigno metastatizante de veia cava inferior: rara complicação tardia de histerectomia Benign metastasizing leiomyoma of inferior vena cava: a rare condition following hysterectomy

    Directory of Open Access Journals (Sweden)

    Marcos Filgueiras

    2008-08-01

    Full Text Available Large vessel tumors diagnosis is usually difficult. Benign metastasizing leiomyoma is a rare condition occurring inside peripheral vessels. There are few publications about this tumor inside inferior vena cava. A 54 years old female patient is presented with a previous hysterectomy for myomas. She complained of no specific symptoms 18 months after surgery. Computer tomography revealed a 7.5 x 3.5 x 4.0 cm mass at inferior vena cava and right psoas muscle. After surgical management and immunohistochemical screening biopsy, the diagnosis was benign metastasizing leiomyoma of inferior vena cava. The patient recovery was uneventful. Benign metastasizing leiomyoma of inferior vena cava is a very rare condition, and must be suspected in patients with primary leiomyosarcoma, especially in women previously submitted to hysterectomy for leiomyomatosis.

  16. Inferior Vena Cava Duplication: Incidental Case in a Young Woman.

    Science.gov (United States)

    Coco, Danilo; Cecchini, Sara; Leanza, Silvana; Viola, Massimo; Ricci, Stefano; Campagnacci, Roberto

    2016-01-01

    A case of a double inferior vena cava (IVC) with retroaortic left renal vein, azygos continuation of the IVC, and presence of the hepatic portion of the IVC drained into the right renal vein is reported and the embryologic, clinical, and radiological significance is discussed. The diagnosis is suggested by multidetector computed tomography (MDCT), which reveals the aberrant vascular structures. Awareness of different congenital anomalies of IVC is necessary for radiologists to avoid diagnostic pitfalls and they should be remembered because they can influence several surgical interventions and endovascular procedures. PMID:27217964

  17. Renal transplantation in a child with thrombosed inferior vena cava

    Directory of Open Access Journals (Sweden)

    Surjeet Kumar

    2014-01-01

    Full Text Available The external iliac vein is commonly used in renal transplantation for vascular anastomosis of the allograft renal vein. However, there are rare instances when the transplant surgeon may encounter thrombosis of the ilio-caval vein during surgery, making renal transplantation a challenge. Often, these patients are considered unsuitable for renal transplantation. We report a case of thrombosis of the inferior vena cava in an asymptomatic pediatric patient in whom the splenic vein was used, at transplantation, for venous drainage. This case highlights that pre-operative Doppler screening should be performed in all potential renal transplant recipients.

  18. Radiological evaluation of inferior vena cava obstruction: pictorial essay

    International Nuclear Information System (INIS)

    The clinical diagnosis of inferior vena cava (IVC) obstruction is often difficult, since patients may present with a multitude of signs and symptoms. The clinical manifestations depend on several factors: the underlying cause, the level of obstruction, the adequacy of collateral circulation, the presence of intercurrent disease, and the organ system involved. Although the most common clinical manifestations are deep venous thrombosis in the legs, abdominal pain, low back pain, loin pain and hematuria, patients may present with unusual and varied pathologic conditions. IVC obstruction may resemble or be associated with such conditions as congestive cardiac failure, cirrhosis of the liver or renal disease. (author)

  19. Estudi i millora d'una planta productora de cava

    OpenAIRE

    Boza Macías, Marta

    2008-01-01

    El present projecte té com a objectiu principal l’automatització d’una part del procés productiu del cava. Concretament, la millora que es desitja realitzar consisteix en la instal·lació d’un autòmat programable que controli l’emplenat i buidat dels dipòsits d’emmagatzematge. Aquest control es realitzarà utilitzant sensors capacitius, encarregats de controlar els nivells, tant alt com baix, dels citats dipòsits. A part de controlar en tot moment l’estat en que es troben les ...

  20. Ultrasonographic findings in a cow with ascites due to thrombosis of the caudal vena cava.

    Science.gov (United States)

    Braun, U; Schefer, U; Gerber, D; Föhn, J

    1992-01-01

    This case report describes a three-year-old Swiss Braunvieh cow with ascites due to thrombosis of the caudal vena cava. Ultrasonography verified the ascites and revealed dilatation of the abdominal portion of the caudal vena cava (4.8 cm). It was presumed that the caudal vena cava was occluded by a thrombus or by perivenous compression cranial to the dilatation. Post mortem findings included: a massive accumulation of fluid in the abdominal cavity; a 15 cm long thrombus in the subphrenic region of the caudal vena cava; multiple pulmonary abscesses; severe thrombosis of the pulmonary vasculature; hepatic congestion; oedematous abomasal folds; and severe thrombophlebitis of the left jugular vein and both udder veins, due to poor intravenous injection technique. Ascites caused by thrombosis of the caudal vena cava is rare because collateral routes of venous return, including the udder veins, are usually established. It was therefore concluded that the ascites was attributable to bilateral thrombosis of the udder veins.

  1. Different cava reconstruction techniques in liver transplantation:piggyback versus cava resection

    Institute of Scientific and Technical Information of China (English)

    Volker Schmitz; Wenzel Schoening; Ines Jelkmann; Brigitta Globke; Andreas Pascher; Marcus Bahra; Peter Neuhaus and Gero Puhl

    2014-01-01

    BACKGROUND: Originally, cava reconstruction (CR) in liver transplantation meant complete resection and reinsertion of the donor cava. Alternatively, preservation of the recipients inferior  vena  cava  (IVC)  with  side-to-side  anastomosis (known  as  "piggyback")  can  be  performed.  Here,  partial clamping maintains blood lfow of the IVC, which may improve cardiovascular stability, reduce blood loss and stabilize kidney function. The aim of this study was to compare both techniques with particular focus on kidney function. METHODS: A series of 414 patients who had had adult liver transplantations  (2006-2009)  were  included.  Among  them, 176  (42.5%)  patients  had  piggyback  and  238  had  classical CR  operation,  112  (27.1%)  of  the  patients  underwent  CR accompanied with veno-venous bypass (CR-B) and 126 (30.4%) without a bypass. The choice of either technique was based on the surgeons' individual preference. Kidney function [serum creatinine, calculated glomerular ifltration rate (GFR), RIFLE stages] was assessed over 14 days. RESULTS: Lab-MELD scores were signiifcantly higher in CR-B (22.5±11.0) than in CR (17.3±9.0) and piggyback (18.8±10.0) (P=0.008). Unexpectedly, the incidences of arterial stenoses (P=0.045)  and  biliary  leaks  (P=0.042)  were  signiifcantly increased in piggyback. Preoperative serum creatinine levels were the highest in CR-B [1.45±1.17 vs 1.25±0.85 (piggyback) and 1.13±0.60 mg/dL (CR); P=0.033]. Although a worsening of postoperative kidney function was observed among all groups,

  2. Ausência de veia cava inferior: relato de caso Absence of the inferior vena cava: case report

    Directory of Open Access Journals (Sweden)

    Elton Correia Alves

    2010-12-01

    Full Text Available A ausência congênita de veia cava inferior é achado incomum e ocasional durante exames complementares ou cirurgias do abdome. Em razão de a maioria dos pacientes sem outras malformações serem assintomáticos, há dificuldade em estimar a prevalência dessas anomalias. O objetivo deste trabalho foi relatar o caso de um paciente de 28 anos, sexo masculino, referido para radiografia de tórax devido a quadro de febre alta (39ºC não-responsiva à medicação. Radiografia de tórax sugeriu dilatação de veia ázigos. Em inquérito dirigido para sintomas cardiovasculares, referiu dor torácica (durante atividade física e em repouso e dispneia ocasionais durante o sono associada ao período em que intensificou a prática de exercícios. Realizada tomografia computadorizada sem contraste e, posteriormente, contrastada. As mesmas não esclareceram o caso, fazendo-se necessário angiotomografia, a qual evidenciou ausência de veia cava inferior torácica.The congenital absence of the inferior vena cava is a rare and occasional finding at complementary exams or abdominal surgeries. As the majority of patients without other malformations are asymptomatic, it is hard to estimate the prevalence of these anomalies. Our goal was to report a case of a 28-year-old patient, male, referred to thorax X-ray due to high fever state (39ºC, nonresponder to medication. The X-ray suggested azygos vein dilatation. The interview about cardiovascular symptoms revealed thoracic pain during both physical exercises and at rest, and occasional dyspnea during sleep related to the period of intensification of physical exercises. Computadorized tomography with and without contrast did not solve the case, what explain the request of an angiotomography, that showed absence of thoracic inferior vena cava.

  3. Advanced Techniques for Removal of Retrievable Inferior Vena Cava Filters

    Energy Technology Data Exchange (ETDEWEB)

    Iliescu, Bogdan; Haskal, Ziv J., E-mail: ziv2@mac.com [University of Maryland School of Medicine, Division of Vascular and Interventional Radiology (United States)

    2012-08-15

    Inferior vena cava (IVC) filters have proven valuable for the prevention of primary or recurrent pulmonary embolism in selected patients with or at high risk for venous thromboembolic disease. Their use has become commonplace, and the numbers implanted increase annually. During the last 3 years, in the United States, the percentage of annually placed optional filters, i.e., filters than can remain as permanent filters or potentially be retrieved, has consistently exceeded that of permanent filters. In parallel, the complications of long- or short-term filtration have become increasingly evident to physicians, regulatory agencies, and the public. Most filter removals are uneventful, with a high degree of success. When routine filter-retrieval techniques prove unsuccessful, progressively more advanced tools and skill sets must be used to enhance filter-retrieval success. These techniques should be used with caution to avoid damage to the filter or cava during IVC retrieval. This review describes the complex techniques for filter retrieval, including use of additional snares, guidewires, angioplasty balloons, and mechanical and thermal approaches as well as illustrates their specific application.

  4. El giro a la izquierda en América Latina y el nacimiento del "nuevo bolivarismo": las tradiciones de Komintern y la actualidad

    Directory of Open Access Journals (Sweden)

    Lazar Jeifets

    2009-12-01

    Full Text Available La idea de una "Revolución Bolivariana", proclamada por el Presidente de Venezuela Hugo Chávez. puede parecer novedosa y propia del giro actual a la izquierda de varios países sudamericanos. Sin embargo, dicha idea ya era conocida e impulsada en la primera mitad del siglo XX, cuando diferentes movimiemos políticos revolucionarios buscaban el apoyo de Moscú para lograr la toma del poder en los países andinos. Este artículo examina la influencia de la Tercera Internacional sobre los planes de los grupos revolucionarios en los llamados países bolivarianos durante la década de los años veinte y treinta del siglo pasado y señala semejanzas y diferencias entre dicha relación y la que sostiene actualmente el chavismo con algunos movimientos de izquierda venezolanos.

  5. Inferior vena cava leiomyosarcoma confirmed by catheter suction biopsy during digital subtraction angiography.

    Science.gov (United States)

    Wei, Ning; Xu, Xiang-Dong; Xu, Hao; Zu, Mao-Heng

    2014-01-01

    Leiomyosarcoma of vascular origin is a rare disease and most cases arise in the inferior vena cava. Inferior vena cava leiomyosarcoma (IVCLMS) usually presents in females in their sixth decade of life. The clinical symptoms are often non-specific and the diagnosis is often delayed. Current imaging techniques can accurately differentiate inferior vena cava neoplasms from other non-neoplastic lesions. However, definitive diagnosis of IVCLMS needs histologic evidence. We report a case of IVCLMS in a 61-year old Chinese woman. This is the first IVCLMS case confirmed by catheter suction biopsy during digital subtraction angiography. PMID:25232438

  6. The Media Politics of Latin America’s Leftist Governments La política de medios de los gobiernos de izquierda en América Latina

    Directory of Open Access Journals (Sweden)

    Philip Kitzberger

    2012-01-01

    Full Text Available Does Latin America’s left turn matter in media politics? Has ideology any impact on governments’ practices and policies regarding media and journalistic institutions? This essay focuses on the existence of a specific kind of media activism on the part of leftist governments in Latin America. It does so by assessing discourses on the media, direct-communication practices, and media regulation policies. While showing that the current binary distinctions stressing the existence of two lefts – “populist” and “nonpopulist” – obscure important commonalities and continuities, the author demonstrates that institutional and structural constraints account for the differences among the various leftist governments in Latin America. In sum, the paper challenges the prevailing neglect of ideology as a relevant factor in explaining developments in government–media relationships in the region.¿Ha sido relevante el giro a la izquierda en América Latina para la política de medios? ¿Tuvo impacto la ideología en las prácticas y políticas gubernamentales relativas a los medios y las instituciones políticas? Por medio de una evaluación de los discursos sobre los medios, de las prácticas de comunicación directa y de las políticas de regulación del sector mediático por parte de los recientes gobiernos de izquierda en América Latina, el presente ensayo focaliza en la existencia de un activismo mediático de los gobiernos de izquierda en la región. En tanto muestra cómo las distinciones binarias corrientes que afirman la existencia de dos izquierdas – populista y no-populista – oscurece importantes rasgos comunes y continuidades, el autor plantea que las restricciones institucionales y estructurales dan cuenta de las diferencias entre los varios gobiernos de izquierda en América Latina. En suma, el artículo desafía la prevaleciente subestimación del factor ideológico en las explicaciones de las relaciones entre medios y

  7. La figura del gorila en el imaginario político de la izquierda brasileña

    Directory of Open Access Journals (Sweden)

    Rodrigo Patto Sá Motta

    2014-09-01

    Full Text Available El texto analiza los orígenes y usos de la figura caricaturezca del gorila en el contexto de la crisis política que llevó al golpe de Estado de 1964 en Brasil, marcada por la radicalización y la movilización intensa de las fuerzas en disputa en el escenario público. El contexto fue propicio para el enriquecimiento del discurso político tanto verbal como visual e la imagen del gorila fue construida en medio de las batallas discursivas del período. El propósito del artículo es mostrar el papel desempeñado por esa figura en el imaginario construido por las izquierdas en acción en los inicios de los años sesenta, que seria movilizada para atacar a los enemigos de derecha, principalmente los militares, dando origen a una representación caricaturezca que continuaría en uso durante la dictadura militar.

  8. Infrahepatic inferior vena cava agenesis with bilateral renal vein thrombosis.

    Science.gov (United States)

    Skeik, Nedaa; Wickstrom, Kelly K; Schumacher, Clark W; Sullivan, Timothy M

    2013-10-01

    Congenital anomalies of the inferior vena cava (IVC) are rare and are estimated to be present in 0.07-8.7% of the general population. IVC agenesis (IVCA) is found in approximately 5% of cases of unprovoked lower extremity deep vein thrombosis in patients Renal vein thrombosis (RVT) is an extremely rare and unusual presentation of IVCA. We report a unique case of a 23-year-old previously healthy man presenting with infrahepatic IVCA-induced bilateral RVT with azygos and hemiazygos continuation. To our knowledge, this is the third reported case in the literature of IVCA-induced RVT and the first to affect the bilateral renal veins in the absence of any other thrombogenic risk factors or any lower extremity venous complications. We also present a literature review of IVCA-induced vein thrombosis and highlight the lack of literature to manage this condition.

  9. Deep Venous Thrombosis Associated With Inferior Vena Cava Abnormalities And Hypoplastic Kidney In Siblings

    Directory of Open Access Journals (Sweden)

    Duicu Carmen

    2016-06-01

    Full Text Available Congenital inferior vena cava anomalies have a reduced frequency in general population, many times being an asymptomatic finding. Patients caring such anomalies are at risk to develop deep vein thrombosis. In this paper, we present 2 siblings with deep venous thrombosis and inferior vena cava abnormalities, with a symptomatic onset at similar age. The inferior vena cava abnormality was documented by an angio-CT in each case. The thrombophilic workup was negative. Patients were treated with conservative therapy: low molecular weight heparin anticoagulants converted later to oral anticoagulant with resolution of symptoms and disappearance of the thrombus. Finally, in the absence of any risk factor in a young patient admitted with deep vein thrombosis investigations to exclude inferior vena cava anomalies are mandatory.

  10. [Calcified bullet thrombus of the inferior vena cava and left renal vein in an adult].

    Science.gov (United States)

    Leclerc, A; Lapébie, F-X; Thuillier, F; Lacroix, P

    2016-07-01

    Calcifications are rarely located within the inferior vena cava and the renal veins. The etiology is poorly understood and the prognosis is uncertain. We report a case in a 55-year-old man. PMID:27344300

  11. Estudo comparativo da biocompatibilidade da submucosa intestinal porcina e pericárdio bovino usados como enxertos na veia cava de cães Comparative study of the biocompatibility of the porcine intestinal submucosa and bovine pericardium used as grafts in the inferior cava vein of dogs

    Directory of Open Access Journals (Sweden)

    Fernando Hintz Greca

    2005-08-01

    Full Text Available OBJETIVO: Comparar a biocompatibilidade entre submucosa de intestino delgado (SID porcino e o pericárdio bovino como enxerto no reparo de lesões criadas na veia cava inferior de cães. MÉTODOS: Dezesseis cães foram submetidos a laparotomia. Após a abertura da cavidade abdominal a veia cava foi identificada e em seguida procedeu-se com a retirada de um segmento elíptico de 1,5X3cm de sua parede anterior. Em 8 animais o defeito foi reparado com SID porcino (grupo A e nos 8 animais restantes o defeito foi reparado com pericárdio bovino (grupo B.No 30° dia de P.O. realizou-se uma ultra-sonografia e a eutanásia foi realizada no 40°dia de pós-operatório. RESULTADOS: Observou-se estenose da veia cava em 1 cão do grupo do grupo A e em 2 animais do grupo B além de trombose em 1 cão desse mesmo grupo. A análise microscópica revelou um processo inflamatório crônico moderado em ambos os grupos. A endotelização do enxerto, regeneração de fibras musculares lisas e depósito de colágeno também foi similar nos 2 grupos estudados. CONCLUSÃO: A SID provou ser um excelente substrato para a regeneração vascular quando implantado em veia cava superior, contudo os resultados encontrados não diferem daqueles observados com o uso de pericárdio bovino.PURPOSE: To compare the biocompatibility of the bovine pericardium and the small intestine submucosa (SIS when used to repair a created defect in the inferior vena cava of dogs. METHODS: Sixteen male mongrel dogs were submitted to a midline laparotomy incision. An elliptical segment (1,5 X 3,0 cm of the inferior vena cava, below the renal veins, was excised. In 8 dogs, the A group, a patch of porcine small bowel submucosa was used to repair the defect. In the 8 remaining dogs, the B group, a bovine pericardium was implanted in the vena cava. On the 30th post-operative day an ultrasound was performed in order to identify stenosis. The euthanasia was accomplished in the 40th post-operative day

  12. Inferior vena cava aneurysm in an infant presenting with a renal mass.

    Science.gov (United States)

    Unzueta-Roch, José L; García-Abós, Miriam; Sirvent-Cerdá, Sara; de Prada, Inmaculada; Martínez de Azagra, Amelia; Ollero, Jose M; Madero-López, Luis

    2014-10-01

    Aneurysm of the inferior vena cava is a rare finding in the pediatric population. We report the case of a 5-month-old infant presenting with anemia, hypertension, and dehydration in the emergency room. A renal mass was found with ultrasound and MRI and a renal tumor was first considered. Histopathologic review of the surgical specimen led to the diagnosis of aneurysmal dilatation of the vena cava.

  13. Huge Trombus including Left Renal Vein, Ovarian Vein, and Inferior Vena Cava Mimicking Renal Colic

    OpenAIRE

    Sakir Ongun; Sermin Coban; Abdullah Katgi; Funda Obuz; Aykut Kefi

    2014-01-01

    A 31-year-old female presented with acute left flank pain; she had a C/S at the postpartum day 24. Ureteral stone was suspected but ultrasound examination was normal. Then Doppler ultrasound revealed a trombus in left renal vein and inferior vena cava. Contrast enhanced MDCT scan showed swelled and nonfunctional left kidney, a trombus including distal part of left ovarian vein, left renal vein, and inferior vena cava. We started anticoagulation treatment. Further examination revealed diagnosi...

  14. A novel technique to remove inferior vena cava filters using a homemade snare device.

    Science.gov (United States)

    Singh, Kuldeep; Zia, Saqib; Khan, Muhammad Asad; Marco, Sean; Hill, David

    2014-01-01

    The need to retrieve inferior vena cava filters is quite evident due to the long-term complications. We present a novel technique to remove inferior vena cava filters using a homemade snare created using a looped a 0.014-inch semistiff wire. Employing this technique, 18 consecutive retrievable filters were removed. All filters were easily snared on the very first attempt, and no complications occurred. Our novel technique to retrieve filters is efficient, safe, and cost-effective. PMID:26992977

  15. Amebic Liver abscess Complicated by Inferior Vena Cava Thrombosis: A Case Report.

    Science.gov (United States)

    Ray, S; Khanra, D; Saha, M; Talukdar, A

    2012-10-01

    Amebic liver abscess is the most common extraintestinal manifestation of infection with Entamoeba histolytica. It is a common disease, especially in endemic areas, but it is a rare cause of inferior vena cava (IVC) obstruction, with only a few cases appearing in the literature. The authors describe a case of amebic liver abscess in a patient who developed a rare vascular complication of inferior vena cava thrombosis. The case responded to conservative treatment and radiological intervention.

  16. Prevalencia de hipertrofia ventricular izquierda en pacientes diabéticos Prevalence of left ventricular hypertrophy in diabetic patients

    Directory of Open Access Journals (Sweden)

    Diego Valarezo-Sevilla

    2013-03-01

    Full Text Available Con el objetivo de establecer la prevalencia de hipertrofia ventricular izquierda (HVI en pacientes con diabetes mellitus tipo 2 (DM, se realizó un estudio transversal en estos pacientes, estableciendo sus características antropométricas, presión arterial y control metabólico. Para evaluar la presencia de HVI se empleó ecocardiografía transtorácica. El estudio incluyó 91 pacientes, en los cuales la prevalencia de HVI fue de 63,7%, siendo más frecuente en mujeres que en varones (p=0,001. Adicionalmente, se encontró un 46,2% de pacientes con disfunción diastólica del ventrículo izquierdo. Se concluye que existe una importante prevalencia de HVI en pacientes diabéticos sin antecedentes de causas definidas de hipertrofia. No se encontró relación con sexo, control metabólico, IMC y tiempo de diagnósticoIn order to establish the prevalence of left ventricular hypertrophy (LVH in patients with type 2 diabetes mellitus, (DM a cross-sectional study was conducted in these patients studying their anthropometric characteristics, blood pressure and metabolic control. To evaluate the presence of LVH, a trans-thoracic echocardiogram was used. The study included 91 patients, finding a 63.7% prevalence of HVI, with women being more affected than men (p=0.001. Additionally, 46.2% of patients were found to have diastolic dysfunction of the left ventricle. We conclude that there is an important prevalence of LVH in diabetic patients without defined causes of hypertrophy. There was no association with sex, metabolic control, BMI and time of diagnosis

  17. La intolerancia a la glucosa aumenta el índice de masa ventricular izquierda y la distensibilidad arterial en un grupo de hipertensos leves de sexo masculino

    Directory of Open Access Journals (Sweden)

    Claudio R. Majul

    2005-01-01

    Full Text Available Con la finalidad de evaluar si en un grupo de hipertensos de nivel I con intolerancia a la glucosa y obesidad abdominal, por lo cual reúnen criterios para diagnóstico de síndrome metabólico (SM, existe un índice de masa ventricular izquierda mayor y una alteración mayor de la distensibilidad arterial respecto de un grupo de hipertensos de nivel I con obesidad abdominal, no intolerantes a la glucosa y sin SM, en el presente trabajo se incluyeron 56 varones, de 51 ± 6 años, con hipertensión de nivel I, que se dividieron en dos grupos. Grupo A 28 con SM: glucemia en ayunas >1,10 g/L y 1,40 g/L y menor de 2,00 g/L, perímetro abdominal > 102 cm y PA = 130 y/u / 85 mm Hg. Grupo B 28 sin SM: el perímetro abdominal y la presión arterial eran similares al grupo A, pero con glucemias en ayunas < 1,10 g/L y poscarga < 1,40 g/L. Se midió el índice de masa ventricular izquierda (IMVI por ecocardiografia bidimensional y distensibilidad arterial: velocidad de onda de pulso, onda refleja central (ORC por Sphygmocor: Grupo A Grupo B p < 0,05 IMVI g/m2 140 ± 30 101 ± 28 0,002 ORC mm Hg 28 (R 15/48 21 (R 11/38 0,003 Conclusión La presencia de intolerancia a la glucosa en pacientes con hipertensión de nivel I se asocia con mayor masa ventricular izquierda y rigidez arterial que en los casos con el mismo nivel de hipertensión sin intolerancia a la glucosa.

  18. Modificación de los criterios de Sgarbossa para el diagnóstico de infarto agudo de miocardio en presencia de bloqueo de rama izquierda

    Directory of Open Access Journals (Sweden)

    Nelson Leandro Moreno-Ruiz

    2015-01-01

    Full Text Available Un bloqueo de rama izquierda dificulta el diagnóstico de infarto agudo de miocardio. Los criterios de Sgarbossa, mencionados en las guías de manejo de las diferentes sociedades científicas, son útiles pero con limitaciones bien reconocidas. Recientemente, se ha publicado una modificación a estos criterios que puede mejorar su rendimiento diagnóstico, y así ser parte de un algoritmo de manejo para los pacientes; aunque, hasta el momento, hacen falta estudios para validar lo anterior.

  19. Agenesia de vena cava inferior en un caso de autopsia forense Absence of the inferior cava vein in a case of forensic autopsy

    Directory of Open Access Journals (Sweden)

    M. Subirana Domènech

    2011-06-01

    Full Text Available La agenesia de vena cava inferior es una entidad congénita poco frecuente que a menudo se asocia con otras severas anomalías congénitas o malposiciones viscerales. También ha sido descrita como un factor de riesgo de trombosis venosa en pacientes jóvenes. La mayoría de los casos publicados proceden de estudios radiológicos y muy raramente aparece como hallazgo necrópsico. Presentamos un caso de agenesia de vena cava inferior, sin otras anomalías asociadas, que apareció como hallazgo incidental en una autopsia forense.The absence of the inferior vena cava is a rare congenital anomaly, often associated with severe congenital deformities and visceral position abnormalities. It has been described also as a risk factor for deep vein thrombosis in young patients. We present a case of congenital absence of inferior vena cava appeared as an incidental finding in a forensic autopsy.

  20. Radiographic evaluation of caudal vena cava size in dogs

    International Nuclear Information System (INIS)

    Dilation of the caudal vena cava (CVC) on lateral thoracic radiographs is often interpreted as suggestive of right-sided congestive heart failure, To quantitate the clinical utility of evaluating CVC size as an indicator of right-sided heart disease, we compared the ratio of the diameter of the CVC as measured on a left lateral thoracic radiograph to the descending aorta (Ao), length of the thoracic vertebra above the tracheal bifurcation (VL), and width of the right fourth rib (R4) in 35 dogs with right heart disease and 35 control dogs, Each CVC ratio(CVC/Ao, CVC/VL, CVC/R4) was statistically larger in dogs with right heart disease, Response operating characteristic curves and likelihood ratios were used to determine ratios helpful in identifying dogs with right heart disease. A CVC/Ao > 1.50, CVC/VL > 1.30, or CVC/R4 > 3.50 are strongly suggestive of a right-sided heart abnormality in a patient

  1. Superior Hiking Trail

    Data.gov (United States)

    Minnesota Department of Natural Resources — Superior Hiking Trail main trail, spurs, and camp spurs for completed trail throughout Cook, Lake, St. Louis and Carlton counties. These data were collected with...

  2. Superior Hiking Trail Facilities

    Data.gov (United States)

    Minnesota Department of Natural Resources — Superior Hiking Trail main trail, spurs, and camp spurs for completed trail throughout Cook, Lake, St. Louis and Carlton counties. These data were collected with...

  3. Bathymetry of Lake Superior

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Bathymetry of Lake Superior has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more...

  4. Effect of Dieckol, a Component of Ecklonia cava, on the Promotion of Hair Growth

    Directory of Open Access Journals (Sweden)

    Sang-Cheol Kim

    2012-05-01

    Full Text Available This study was conducted to evaluate the effect of Ecklonia cava, a marine alga native to Jeju Island in Korea, on the promotion of hair growth. When vibrissa follicles were cultured in the presence of E. cava enzymatic extract (which contains more than 35% of dieckol for 21 days, E. cava enzymatic extract increased hair-fiber length. In addition, after topical application of the 0.5% E. cava enzymatic extract onto the back of C57BL/6 mice, anagen progression of the hair-shaft was induced. The treatment with E. cava enzymatic extract resulted in the proliferation of immortalized vibrissa dermal papilla cells (DPC. Especially, dieckol, among the isolated compounds from the E. cava enzymatic extract, showed activity that increased the proliferation of DPC. When NIH3T3 fibroblasts were treated with the E. cava enzymatic extract and the isolated compounds from the E. cava enzymatic extract, the E. cava enzymatic extract increased the proliferation of NIH3T3 fibroblasts, but the isolated compounds such as eckol, dieckol, phloroglucinol and triphlorethol-A did not affect the proliferation of NIH3T3 fibroblasts. On the other hand, the E. cava enzymatic extract and dieckol significantly inhibited 5α-reductase activity. These results suggest that dieckol from E. cava can stimulate hair growth by the proliferation of DPC and/or the inhibition of 5α-reductase activity.

  5. The Edible Brown Seaweed Ecklonia cava Reduces Hypersensitivity in Postoperative and Neuropathic Pain Models in Rats

    Directory of Open Access Journals (Sweden)

    Jae Goo Kim

    2014-06-01

    Full Text Available The current study was designed to investigate whether edible brown seaweed Ecklonia cava extracts exhibits analgesic effects in plantar incision and spared nerve injury (SNI rats. To evaluate pain-related behavior, we performed the mechanical withdrawal threshold (MWT and thermal hypersensitivity tests measured by von Frey filaments and a hot/cold plate analgesia meter. Pain-related behavior was also determined through analysis of ultrasonic vocalization. The results of experiments showed MWT values of the group that was treated with E. cava extracts by 300 mg/kg significantly increased; on the contrary, number of ultrasonic distress vocalization of the treated group was reduced at 6 h and 24 h after plantar incision operation (62.8%, p < 0.05. Moreover, E. cava 300 mg/kg treated group increased the paw withdrawal latency in hot-and cold-plate tests in the plantar incision rats. After 15 days of continuous treatment with E. cava extracts at 300 mg/kg, the treated group showed significantly alleviated SNI-induced hypersensitivity response by MWT compared with the control group. In conclusion, these results suggest that E. cava extracts have potential analgesic effects in the case of postoperative pain and neuropathic pain in rats.

  6. ¿Fascistas o revolucionarios? Política de izquierda y de derecha entre los campesinos pobres ¿Fascistas o revolucionarios? Política de izquierda y de derecha entre los campesinos pobres

    Directory of Open Access Journals (Sweden)

    Leslie Anderson

    2001-01-01

    Full Text Available La expansión de la democracia en América Latina y su extensión en el tiempo ha puesto de manifiesto una tendencia sorprendente y preocupante. Muchos de los nuevos electores latinoamericanos han dado su apoyo a candidatos de derecha y no democráticos que una vez en el poder han atentado de diversas maneras contra la democracia. Dentro del electorado se constata que ese apoyo a las fuerzas antidemocráticas es mayor en la población rural. A la luz de la bibliografía de los años 70 y 80 sobre las revoluciones campesinas de Rusia, China, Cuba o Nicaragua, este derechismo campesino es un rompecabezas: ¿los campesinos son fascistas o revolucionarios? Para descifrar este enigma, el trabajo en primer lugar analiza cuatro casos de apoyo rural al fascismo o al autoritarismo populista en la primera mitad del siglo XX (Francia, Italia, Alemania y Argentina. Compara los factores explicativos que emergen de esa comparación con los resultados obtenidos de la investigación sobre el izquierdismo campesino en China, Rusia, Cuba y Nicaragua. La conclusión del trabajo es que hay dos conjuntos de factores que explican el apoyo de los campesinos a la izquierda o a la derecha. El primer tipo de factores, de transfondo, incluye el contexto económico y las relaciones sociales de propiedad y tenencia de la tierra. El segundo tipo de factores, de primer plano,incluye el tipo de liderazgo, el estilo organizativo y la habilidad política, así como el tipo de retórica que se usa para atraer el voto campesino. La población rural no es por naturaleza ni de derecha ni de izquierda, sino que su apoyo puede llevarse a cualquiera de los dos lados dependiendo del trasfondo económico-social y de la escena política. En América Latina hay que estudiar en detalle los estilos de liderazgo y las retóricas de los candidatos. Estas variables de primera instancia nos van a permitir dictaminar si el apoyo electoral dará lugar a panoramas fascistas o autoritarios como los

  7. Fibrosing mediastinitis with superior vena cava obstruction as the initial presentation of Langerhans' cell histiocytosis in a young child

    International Nuclear Information System (INIS)

    We present a 2-year-old girl with an unusual presentation of Langerhans' cell histiocytosis (LCH). Five months prior to admission to our hospital, she received IV steroids for bronchial obstruction. On admission, clinical signs of SVC obstruction were evident and a mediastinal mass was evident on the chest radiograph and MRI. Biopsy revealed fibrosing mediastinitis. Five months later, osteolysis was present on a skull radiograph. Surgical biopsy of the skull lesion revealed LCH. This case is unique because it demonstrates a rare initial manifestation of LCH that has not been previously reported. Furthermore, the primary, solitary mediastinal manifestation without calcifications was histologically interpreted as fibrosing mediastinitis, and the final diagnosis of LCH was only made after identifying the skull lesion. (orig.)

  8. Vena cava filters in cancer patients: experience with 50 patients Filtros de veia cava inferior em pacientes com câncer: experiência em 50 casos

    Directory of Open Access Journals (Sweden)

    Antonio Eduardo Zerati

    2005-10-01

    Full Text Available OBJECTIVE: To study the immediate and late results obtained from the implantation of vena cava filters in cancer patients with deep vein thrombosis concomitant with neoplasia. METHODS: This was a retrospective evaluation of 50 patients with an association of cancer and deep venous thrombosis who underwent interruption of the inferior vena cava and the insertion of permanent vena cava filters. The indications for the procedure, filter implantation technique, early and late complications related to the operation, and the clinical evolution were evaluated. RESULTS: The most frequent indication for filter implantation was the contraindication for full anticoagulant treatment (80%. The femoral vein was the preferred access route (86% of the patients. There were no complications related to the surgical procedure. During the follow-up, the following complications were observed: 1 episode of nonfatal pulmonary thromboembolism, 2 cases of occlusion of the inferior vena cava, and 1 case of thrombus retained in the device. Twenty patients (40% died due to progression of the neoplasm. CONCLUSIONS: Interruption of the inferior cava vein using an endoluminal filter is a procedure with a low rate of complications. It is a safe and efficient measure for preventing pulmonary embolism in cancer patients who have deep vein thrombosis of the lower limbs.OBJETIVO: Estudar os resultados imediatos e tardios obtidos com a implantação de filtros de veia cava inferior em pacientes com trombose venosa profunda concomitante a neoplasia. MÉTODOS: Avaliamos retrospectivamente 50 pacientes com câncer e trombose venosa profunda associada submetidos a interrupção de veia cava inferior com filtros intraluminais definitivos. Foram estudados aspectos referentes à indicação do procedimento, à técnica de implante dos dispositivos, complicações precoces e tardias relacionadas à operação e à evolução dos pacientes. RESULTADOS: A indicação mais freqüente para o

  9. Temporary Inferior Vena Cava Filters: How Do We Move Forward?

    Science.gov (United States)

    Arous, Edward J; Messina, Louis M

    2016-05-01

    Despite their widespread use, the indications for the selective use of temporary inferior vena cava (IVC) filters remains uncertain with few trials supporting their use. Additionally, the risks of long-term temporary IVC filter insertion are being increasingly discussed amongst the mainstream media and through multiple class action lawsuits. Retrievable IVC filters were specifically designed to have a less secure implantation in order to facilitate retrieval. However, multiple reports have demonstrated significant filter-related complications, most commonly related to duration of implantation. Furthermore, the risk is not isolated to one manufacturer alone. The incidence of filter-related complications is linearly related to its duration of time on the market. Currently, the FDA recommends that IVC filters be removed within 25-54 days of their implantation. Unfortunately, little evidence exists to show that this recommendation is followed routinely. Recently, the PRESERVE Trial (NCT02381509) was initiated as a multicenter non-randomized open label study to determine the safety and effectiveness of commercially available IVC filters (both temporary and permanent) in individuals who require mechanical prophylaxis against pulmonary embolism. Until such evidence is developed, temporary IVC filters should be implanted based on best available evidence and routinely removed within the guidelines of the FDA of 25-54 days. A fair question at this point is whether the design features themselves that are required to manufacture a low profile removable IVC filter can achieve effective prophylaxis against pulmonary embolism at a low rate of short and long-term complications. PMID:27012891

  10. Design Optimization of Vena Cava Filters: An application to dual filtration devices

    Energy Technology Data Exchange (ETDEWEB)

    Singer, M A; Wang, S L; Diachin, D P

    2009-12-03

    Pulmonary embolism (PE) is a significant medical problem that results in over 300,000 fatalities per year. A common preventative treatment for PE is the insertion of a metallic filter into the inferior vena cava that traps thrombi before they reach the lungs. The goal of this work is to use methods of mathematical modeling and design optimization to determine the configuration of trapped thrombi that minimizes the hemodynamic disruption. The resulting configuration has implications for constructing an optimally designed vena cava filter. Computational fluid dynamics is coupled with a nonlinear optimization algorithm to determine the optimal configuration of trapped model thrombus in the inferior vena cava. The location and shape of the thrombus are parameterized, and an objective function, based on wall shear stresses, determines the worthiness of a given configuration. The methods are fully automated and demonstrate the capabilities of a design optimization framework that is broadly applicable. Changes to thrombus location and shape alter the velocity contours and wall shear stress profiles significantly. For vena cava filters that trap two thrombi simultaneously, the undesirable flow dynamics past one thrombus can be mitigated by leveraging the flow past the other thrombus. Streamlining the shape of thrombus trapped along the cava wall reduces the disruption to the flow, but increases the area exposed to abnormal wall shear stress. Computer-based design optimization is a useful tool for developing vena cava filters. Characterizing and parameterizing the design requirements and constraints is essential for constructing devices that address clinical complications. In addition, formulating a well-defined objective function that quantifies clinical risks and benefits is needed for designing devices that are clinically viable.

  11. Huge Trombus including Left Renal Vein, Ovarian Vein, and Inferior Vena Cava Mimicking Renal Colic

    Directory of Open Access Journals (Sweden)

    Sakir Ongun

    2014-01-01

    Full Text Available A 31-year-old female presented with acute left flank pain; she had a C/S at the postpartum day 24. Ureteral stone was suspected but ultrasound examination was normal. Then Doppler ultrasound revealed a trombus in left renal vein and inferior vena cava. Contrast enhanced MDCT scan showed swelled and nonfunctional left kidney, a trombus including distal part of left ovarian vein, left renal vein, and inferior vena cava. We started anticoagulation treatment. Further examination revealed diagnosis of chronic myeloproliferative disease. The trombus was completely recanalized at 3-month followup.

  12. Advanced Hepatocellular Carcinoma with Subtotal Occlusion of the Inferior Vena Cava and a Right Atrial Mass

    Directory of Open Access Journals (Sweden)

    Christian Steinberg

    2013-01-01

    Full Text Available Hepatocellular carcinoma usually metastasizes to regional lymph nodes, lung, and bones but can rarely invade the inferior vena cava with intravascular extension to the right atrium. We present the case of a 75-year-old man who was admitted for generalized oedema and was found to have advanced HCC with invasion of the inferior vena cava and endovascular extension to the right atrium. In contrast to the great majority of hepatocellular carcinoma, which usually develops on the basis of liver cirrhosis due to identifiable risk factors, none of those factors were present in our patient.

  13. Experiência preliminar com novo filtro de veia cava: resultados de 15 implantes Preliminary experience with a new vena cava filter: results of 15 implantations

    Directory of Open Access Journals (Sweden)

    Winston B. Yoshida

    2008-09-01

    Full Text Available Este estudo apresenta resultados preliminares obtidos com um novo filtro permanente de veia cava, baseado no desenho de Greenfield, com três hastes prolongadas de um total de seis, para dar estabilidade central ao filtro na luz da veia cava. Neste artigo, relatamos sua avaliação clínica preliminar quanto à aplicabilidade, eficácia e segurança. De agosto de 2004 a dezembro de 2006, 15 filtros foram implantados em nove homens e seis mulheres, com idades variando de 38 a 79 anos (média de 57,8 anos. O acesso foi feito sempre por via transjugular. As indicações foram: trombose venosa proximal, com contra-indicação de anticoagulação em 12 pacientes; complicações hemorrágicas com anticoagulação em dois pacientes; e embolia pulmonar, apesar de anticoagulação adequada, em um paciente. Os filtros foram avaliados quanto à liberação, inclinação, mau posicionamento e perfuração de cava. No seguimento, avaliou-se trombose no local de acesso, tromboembolismo venoso recorrente, migração do filtro e trombose de cava pelo ultra-som. Nenhum paciente recebeu anticoagulantes no seguimento. O filtro foi liberado com sucesso em todos os casos sem mau posicionamento, inclinação, perfuração ou trombose de acesso. Os pacientes foram seguidos entre 3 e 23 meses (média de 11 meses. Nenhum paciente teve recorrência de tromboembolismo venoso. Não houve casos de trombose de veia cava ou migração do filtro. Óbito ocorreu em sete casos, todos relacionados com a moléstia de base. Os resultados preliminares indicam potencial eficácia e segurança do uso do novo filtro no período estudado.This study presents preliminary results obtained from a new permanent filter, based on Greenfield's filter design, with prolongations on three of six struts to stabilize it centrally in the vena caval lumen. The preliminary clinical evaluation of the filter with regard to feasibility, efficacy and safety is reported. From August 2004 to December 2006

  14. The Right in “New Left” Latin America La derecha en tiempos de la nueva izquierda en América Latina

    Directory of Open Access Journals (Sweden)

    James David Bowen

    2011-01-01

    Full Text Available Over the past decade, there has been a surge of “new Left” governments in Latin America, yet polling data shows no comparable shift to the left among the general Latin American population. If electorates have not followed their political leaders to the left, then it is likely that new right-wing political actors will emerge to compensate for the leftward shift in Latin American politics. I propose a research agenda for studying right-wing politics in light of the current wave of left-leaning governments in the region. I argue that we should focus on four main areas of right-wing politics: the political agenda of right-wing groups; their political organization; their power capability; and the institutional environment in which they operate. This agenda requires that we move beyond the traditional focus on right-wing political parties and focus on right-wing organizations at all levels of formal politics, as well as groups that operate outside the formal political arena.Durante la última década han surgido en América Latina varios gobiernos de la llamada “nueva izquierda.” Sin embargo, las encuestas no muestran un movimiento correspondiente hacia la izquierda en la opinión pública. Si los electorados latinoamericanos no siguen a algunos de sus líderes hacia la izquierda es muy probable que pronto veamos la (reemergencia de actores políticos de corte derechista. Este ensayo propone un marco teórico y una agenda para el análisis de estos actores de derecha. Aquí se argumenta que deberíamos enfocarnos en cuatro temas principales: las agendas políticas de los grupos de derecha, sus formas de organización política, sus capacidades de aglutinar y usar varias fuentes de poder político, económico y social, y el ambiente institucional que servirá de contexto para su enfrentamiento con otros actores políticos. Esta agenda implica un cambio en los enfoques tradicionales sobre el estudio de la derecha que han puesto fuerte

  15. Angioplastia del tronco de la arteria coronaria izquierda no protegido en pacientes con alto riesgo quirúrgico

    Directory of Open Access Journals (Sweden)

    Victor Mauro

    2008-01-01

    Full Text Available IntroducciónEl tratamiento de elección de la enfermedad del tronco de la coronaria izquierda (TCI es la cirugía de revascularización miocárdica (CRM. Un número creciente de pacientes presenta comorbilidades y/o inestabilidad clínica que condicionan un alto riesgo quirúrgico.ObjetivosEvaluar los resultados de la angioplastia (ATC del TCI no protegido en pacientes con alto riesgo para CRM (EUROSCORE = 6.Material y métodosDe 59 pacientes con ATC de TCI no protegido se excluyeron 8 con infarto agudo de miocardio (IAM en shock cardiogénico y 12 sin características de alto riesgo; de los restantes pacientes de alto riesgo fueron objeto de este estudio los 32 tratados con stents convencionales.Se comparó la mortalidad hospitalaria predicha por EUROSCORE logístico con la observada, así como la incidencia de complicaciones mayores y su evolución alejada.ResultadosLa mediana de edad fue de 76,5 años, el 41% tenía 80 años o más, el 22% eran mujeres, el 28% diabéticos, el 56% tenía disfunción ventricular moderada a grave, el 31% insuficiencia renal crónica, el 50% vasculopatía periférica, el 53% angina refractaria, el 22% IAM reciente, el 28% procedimientos de emergencia y la mediana de EUROSCORE fue de 10,5 puntos.El 41% de los pacientes presentaban compromiso del TCI distal. El éxito angiográfico fue del 94%. Se utilizaron inhibidores IIb/IIIa en el 47%, cutting balloon en el 28%, Rotablator® en el 3% y balón de contrapulsación en el 31%. En todos se implantó un stent y en el 50% se trataron otras obstrucciones.La mortalidad hospitalaria fue del 3,1% (intervalo de confianza del 95% 0,2%-14,5%, p = 0,003, en tanto que la predicha era del 23,8%. Ningún paciente presentó déficit neurológico, IAM transmural ni requirió diálisis. Un paciente debió ser sometido a CRM electiva por fracaso del procedimiento.La mediana de seguimiento fue de 15,5 meses, período en el que se registraron 6 muertes (2 cardiovasculares y 4

  16. Analysis of surgical treatment for lung cancer of the vena cava involvement%累及上腔静脉的肺癌外科治疗效果探析

    Institute of Scientific and Technical Information of China (English)

    周云峰

    2013-01-01

    Objective Surgical treatment of lung cancer involving the upper vena rava. Methods In our hospital from 2008 May to 2010 5 menstrual operation treatment lor lung ranrer invading the superior vena rava in 30 patients as the research object, the retrospective analysis of the clinical data, record the measurement results of patients with superior vena cava pressure and blocking time; superior vena cava replacement patients were given bulk Teflon artificial blood vessel treatment; no trauma slide line suture using 4-OProlene; postoperative anastomosis mouth bleeding. Results 19 patients with intravenous replacement on cavity, patients are not blocked in 5 cases, the superior vena cava occlusion time of patients for 10 ~32 minutes. Block in patients with superior vena cava pressure determination of 30KPa in preoperative, intiaopeiative highest pressure is 40 KPa. No mortality occurred in the peri operative period and operation; 12 patients developed pneumonia, atelectasis, heart failure, arrhythmia and other complications. Conclusion In the course of treatment, reduce the superior vena cava cross - clamping time can be avoided in patients with cerebral edema; selection of artifi-cial vascular suitable, using non - invasive slip line continuous everting suture, can effectively control the bleeding, embolism symptoms.%目的 探析肺癌累及上腔静脉的外科治疗效果.方法 将我院2008年5月至2010年5月经手术治疗的肺癌累及上腔静脉患者30例作为研究对象,将其临床资料进行回顾性分析,记录患者上腔静脉压力及阻断时间的测量结果;上腔静脉置换患者给予膨体聚四氟乙烯人工血管治疗;运用4-0Prolene无创伤滑线进行缝合;观察术后患者吻合口出血等情况.结果 上腔静脉置换19例患者中,未阻断的患者有5例,上腔静脉阻断患者的阻断时间为10~32 min.阻断患者的上腔静脉压力在术前测定为30 KPa,术中最高压力为40 KPa.整个围术期及

  17. Origin of the infrarenal part of the caudal vena cava in the pig.

    Science.gov (United States)

    Cornillie, P; Van Den Broeck, W; Simoens, P

    2008-10-01

    The vascular topography in the lumbar region of pig embryos and young fetuses was three-dimensionally reconstructed to study some controversial aspects of the origin and development of the infrarenal part of the caudal vena cava. Contrary to general belief, it was found that the supracardinal veins, which form the azygos veins in the thorax, do not take part in the construction of the caudal vena cava in the lumbar region. These veins do appear in the abdomen, but they are only involved in the formation of the lumbar and ascending lumbar veins. The infrarenal part of the caudal vena cava arises from the lumbar part of the right caudal cardinal vein. Whilst this venous pattern is established, the lumbar part of the left caudal cardinal vein disappears and its former location is occupied by large lymphatic connections between the cysterna chyli and the retroperitoneal mesenteric lymphatic sac. On the basis of these findings, a number of hypotheses on the development of anatomical variations of the caudal vena cava should be reconsidered. PMID:18537942

  18. Del dogmatismo católico al dogmatismo de izquierda. El Ambiente Político en la Universidad Nacional en los 60s y 70s

    Directory of Open Access Journals (Sweden)

    William Maurico Beltrán

    2009-11-01

    Full Text Available L a Universidad Nacional estuvo inmersa durante las décadas del 60 y 70 en un ambiente altamente politizado en el que nacieron y fructificaron diversos movimientos de izquierda. La mayoría de estos movimientos heredaron del catolicismo el dogmatismo y la intolerancia, lo que influyó para que se convirtieran en sectas cerradas y totalitarias semejantes en muchas de sus características a los movimientos religiosos voraces. El presente ensayo pretende explotar las posibilidades explicativas que pueda proporcionar la analogía entre sectarismo político y sectarismo religioso, en ese sentido se pretende describir el ambiente político que se respiraba en la Universidad Nacional durante estas décadas acudiendo a algunas categorías proporcionadas tanto por la sociología política como por la sociología de la religión.

  19. Tratamiento de la compresión del tronco de la arteria coronaria izquierda en pacientes con hipertensión pulmonar

    Directory of Open Access Journals (Sweden)

    María L. Talavera

    2011-10-01

    Full Text Available La angina de pecho es un síntoma frecuente en pacientes con hipertensión pulmonar (HP de cualquier etiología. Aunque su fisiopatología no está aclarada, las causas propuestas son: la isquemia subendocárdica por aumento del estrés parietal del ventrículo derecho, la dilatación de la arteria pulmonar por incrementos transitorios de la presión pulmonar y la compresión extrínseca del tronco de la arteria coronaria izquierda (TCI por la arteria pulmonar (AP dilatada. Se presentan tres casos que muestran la relación entre la angina de pecho y la compresión del TCI en pacientes con HP asociada a cardiopatías congénitas, tratados mediante implante de stent coronario.

  20. “Si me asesinan, vengadme”. El gaitanismo en el imaginario de la nueva izquierda colombiana: el caso del moec 7 de enero

    Directory of Open Access Journals (Sweden)

    José Abelardo Díaz Jaramillo

    2010-10-01

    Full Text Available Normal 0 21 false false false ES-CO X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} En los años sesenta distintos movimientos de la izquierda colombiana se encargaron de rememorar el asesinato de Jorge Eliécer Gaitán y de retomar el legado del gaitanismo con el fin de generar un impacto político. Este artículo analiza la presencia del gaitanismo en la nueva izquierda colombiana de esos años, tomando como ejemplo al Movimiento Obrero Estudiantil Campesino(moec 7 de enero. Con base en los planteamientos de Tzvetan Todorov acerca de la memoria literal y la memoria ejemplar, el artículo expone la manera en que el moec 7 de enero asumió el gaitanismo, es decir, como un acontecimiento recuperado y leído de manera ejemplar por el movimiento.

  1. [Agenesis of the infrarenal inferior vena cava with thrombosis of the renal vein in a fetus: a case report].

    Science.gov (United States)

    Raposo Rodríguez, L; Recio Rodríguez, M; Alvarez Moreno, E; López Azorín, M

    2012-01-01

    Agenesis of the inferior vena cava, especially of the infrarenal segment, is exceptional. This condition is thought to result from thrombosis during gestation rather than from a true congenital malformation. Agenesis of the inferior vena cava can be associated with renal vein thrombosis, which in turn is related to suprarenal hemorrhage in the fetus. We present a case of agenesis of the inferior vena cava with preservation of the hepatic segment, thrombosis of the left renal vein, and secondary bilateral suprarenal hemorrhage diagnosed prenatally using sonography and magnetic resonance imaging.

  2. Rare case of primary inferior vena cava leiomyosarcoma on F-18 fluorodeoxyglucose positron emission tomography-computed tomography scan: Differentiation from nontumor thrombus in a background of procoagulant state

    International Nuclear Information System (INIS)

    We report a rare case of leiomyosarcoma of the inferior vena cava (IVC) in which F-18 fluorodeoxyglucose (F-18 FDG) positron emission tomography-computed tomography (PET-CT) scan provided vital evidence, which led to its diagnosis, in a background of procoagulant state of the patient, where previous ultrasound-Doppler and echocardiography studies were nonspecific and revealed bilateral lower limb deep vein thrombosis with thrombus in IVC. The whole body F-18 FDG PET-CT scan was done in view of no significant improvement in clinical status of the patient over few months in spite of appropriate medical management. FDG PET-CT scan revealed high grade uptake in a large mass lesion occupying the right atrium, extending superiorly into terminal superior vena cava, inferiorly into dilated IVC and probably into hepatic veins. CT guided biopsy of this F-18 FDG avid mass was consistent with the diagnosis of leiomyosarcoma, which however was not amenable to surgery at this stage. F-18 FDG PET-CT accurately differentiated tumor mass from bland thrombus and further had a significant impact on the management, since aggressive surgery combined with adjuvant therapy offers the best outcome for patients with leiomyosarcoma of the IVC

  3. Acute superior vena caval syndrome with airway obstruction following elective mediastinoscopy.

    LENUS (Irish Health Repository)

    Power, C K

    2012-02-03

    A 47-year-old female patient had a subclinical superior vena caval syndrome which developed into the \\'full blown\\' acute condition when she was placed into the left lateral position after mediastinoscopy. She developed airway obstruction requiring urgent re-intubation and subsequent admission to the intensive care unit. This subclinical condition might have been suspected pre-operatively if closer attention had been paid to the history, physical examination and review of the computerised axial tomography scan: she had a history of intermittent dysponea, wheeze and cough which was worse on waking and improved as the day progressed, she had a positive Pemberton\\'s sign and the computerised axial tomography scan showed that the lesion was encroaching on the superior vena cava.

  4. Breast varices: imaging findings of an unusual presentation of collateral pathways in superior vena caval syndrome

    Energy Technology Data Exchange (ETDEWEB)

    Oezdemir, Ayseguel E-mail: aozdemir@tip.gazi.edu.tr; Ilgit, Erhan T.; Konus, Oeznur L.; Cetin, Meltem; Oezsunar, Yelda

    2000-11-01

    Imaging findings are presented of an unusual pathway of collateral circulation consisting of bilateral and diffuse dilated breast veins from a patient with long standing superior vena caval syndrome. The main importance of this case is the extent of the collateral development through the breast veins, serving as the major pathway of collateral circulation. Identification of this unusual collateral development, which resembles breast varices, was performed with contrast-enhanced chest CT scans, digital subtraction venography, color Doppler ultrasonography, and mammographic studies. Collateral development was secondary to a long segment idiopathic venous occlusion involving bilateral subclavian and brachiocephalic veins as well as vena cava superior. We conclude that dilated breast veins when detected on any imaging modality should raise the suspicion of central venous obstruction.

  5. Contabilidad Financiera Superior

    OpenAIRE

    Ipiñazar Petralanda, Izaskun

    2013-01-01

    Duración (en horas): De 31 a 40 horas. Destinatario: Estudiante y Docente A través de este material se presentan las pautas necesarias para implementar un aprendizaje basado en problemas en la asignatura de Contabilidad Financiera Superior dentro de los temas “Constitución de S.A. y S.R.L.” (Tema 2), “Ampliaciones de Capital” (Tema 3) y “Reducciones de Capital” (Tema 4). En primer lugar se presentan las guías generales de la asignatura, y a continuación, las diferentes activida...

  6. Implante de filtro de veia cava com uso de dióxido de carbono como meio de contraste: série de casos Carbon dioxide use as contrast for vena cava filter implantation: case series

    Directory of Open Access Journals (Sweden)

    Matheus Pessanha de Rezende

    2012-03-01

    Full Text Available OBJETIVO: Avaliar o resultado do implante de filtro em veia cava inferior empregando angiografia digital por subtração com dioxide de carbono (CO2 como meio de contraste. MÉTODOS: No período de abril de 2010 a fevereiro de 2011, sete pacientes foram submetidos ao implante de filtro na veia cava inferior, utilizando-se CO2 como meio de contraste em subtração digital. Os pacientes apresentaram como critério de inclusão trombose venosa profunda no setor ilíaco-femoral e contraindicação à anticoagulação. RESULTADOS: Foi obtido sucesso técnico em todos os casos, com adequada visualização da veia cava e veias renais, não havendo complicações relacionadas ao uso do CO2 ou ao procedimento. CONCLUSÃO: O implante de filtro de veia cava utilizando o CO2 como meio de contraste é segura e efetiva em pacientes portadores de alergia ao contraste iodado ou com insuficiência renal não dialítica.OBJECTIVE: To assess the use of digital subtraction with carbon dioxide (CO2 for vena cava filter implant. METHODS: From April (2010 to February (2011, seven patients underwent inferior vena cava filter placement with digital subtraction angiography with the use of CO2 as contrast media. All patients had iliac and femoral deep venous thrombosis and contraindications for anticoagulation. RESULTS: Technical success was achieved in all cases. Inferior vena cava e renal veins were identified in all cases. There were no evidences of complications related to the use of CO2 during or after the procedure. CONCLUSION: The placement of inferior vena cava filter with CO2 and digital subtraction angiography is safe and effective with good results in patients with renal insufficiency and allergy to iodine.

  7. Malformação de veia cava inferior e trombose venosa profunda: fator de risco de trombose venosa em jovens Inferior vena cava malformation and deep venous thrombosis: a risk factor of venous thrombosis in the young

    Directory of Open Access Journals (Sweden)

    Renan Roque Onzi

    2007-06-01

    Full Text Available A ausência da veia cava inferior, alteração no processo de formação embriológica que ocorre entre a sexta e a oitava semanas de gestação, é uma rara anomalia congênita. Porém, recentemente foi confirmada como sendo um fator de risco importante para o desenvolvimento de trombose venosa profunda, especialmente em jovens. Apresentamos um caso de trombose em veias cava inferior, ilíacas, femorais e poplíteas num jovem de 16 anos com agenesia de um segmento de veia cava infra-renal e veia renal esquerda retroaórtica.Absence of inferior vena cava, caused by aberrant development within the sixth to eighth weeks of gestation, is a rare congenital anomaly. However, it has been recently confirmed as a major risk factor for the development of deep venous thrombosis, especially in young patients. We report a case of inferior vena cava, iliac, femoral and popliteal vein thrombosis in a 16-year-old patient with inferior vena cava agenesis and retroaortic left renal vein.

  8. Transjugular Approach to Device Closure of Atrial Septal Defect in a Child with Heterotaxia and Interrupted Inferior Vena Cava

    OpenAIRE

    Ozbarlas, Nazan; Kiziltas, Alev; Kucukosmanoglu, Osman; Erdem, Sevcan

    2012-01-01

    In heterotaxia syndrome with left atrial isomerism, the distinguishing feature is interrupted inferior vena cava with azygos continuation. We report using a transjugular approach to device closure of an atrial septal defect in an 8-year-old boy with heterotaxia syndrome. We found that device closure of the child's atrial septal defect through a jugular venous approach was safe when an inferior vena cava approach was not possible. To our knowledge, ours is the first report of the use of intern...

  9. Estimation of Right Atrial Pressure from the Inspiratory Collapse of the Inferior Vena cava in Pediatric Patients

    OpenAIRE

    Gholamhossein Ajami; Khobiar Zare; Hamid Amoozgar; Mohammad Borzoee; Saeed Abtahi

    2010-01-01

    Objective: Paucity of data exists between mean right atrial pressure (RAP) and inferior vena cava (IVC) size and collapsibility in pediatric patients with congenital heart disease.Methods: In a prospective study, fifty consecutive pediatric patients with different congenital heart diseases who had right side cardiac catheterization were studied, comparing right atrial pressure with simultaneous M-mode echocardiographic measurement of inferior vena cava diameter. Mean age of the patients was 4...

  10. Ultrasonographic assessment of inferior vena cava/abdominal aorta diameter index: a new approach of assessing hypovolemic shock class 1

    OpenAIRE

    Rahman, Nik Hisamuddin NA; Ahmad, Rashidi; Kareem, Meera Mohaideen; Mohammed, Mohammad Iqhbal

    2016-01-01

    Background We designed this study to expand the usage of ultrasound to detect early occurrence of hypovolemia. We explore the potential use of inferior vena cava (IVC) and abdominal aorta (AA) diameter index (IVC:AA) measured ultrasonographically to detect class 1 hypovolemic shock with blood loss less than 15%.ᅟ Methods The aim of this study was to determine the changes in the diameter of inferior vena cava and abdominal aorta in blood donors by using ultrasound, pre and post blood donation....

  11. Fístula axilo-cava para hemodiálise: relato de caso Axillary arteriovenous fistula for hemodialysis: case report

    Directory of Open Access Journals (Sweden)

    Yosio Nagato

    2009-12-01

    Full Text Available Na confecção de fístula arteriovenosa (FAV para hemodiálise, condutos venosos autógenos demonstram performance superior quando comparados com material protético em relação à perviedade primária ou secundária. A prótese de politetrafluoroetileno (PTFE é reservada para casos de falência de material autógeno e é geralmente utilizada em fístulas em membros superiores. Descrevemos o caso de uma paciente de 52 anos que, após falência de acessos para hemodiálise e impossibilidade de realização de diálise peritoneal em razão de peritonite bacteriana, foi submetida à confecção de FAV entre a artéria axilar direita e a veia cava inferior com prótese de PTFE de 6 mm. O acesso foi utilizado para hemodiálise 1 mês após sua criação e permanece pérvio após 24 meses. Até o momento, não houve complicações infecciosas, sinais de insuficiência cardíaca ou síndrome de roubo em membro superior direito.With regards to the creation of an arteriovenous fistula (AV fistula for hemodialysis, autogenous venous grafts clearly show high performance when compared with prosthetic material in terms of primary or secondary patency. Polytetrafluoroethylene (PTFE grafts for the reconstruction of AV fistulae must be restricted to cases of failure of the autogenous material, which is generally used in upper limb fistulae. We describe a case of a 52-year-old patient, who, after access failure for hemodialysis and the impossibility of performing peritoneal dialysis due to bacterial peritonitis, underwent the reconstruction of an AV fistula between the right axillary artery and the cava vein using a 6-mm PTFE prosthesis. One month after surgery, this AV fistula started to be used for hemodialysis. The AV fistula remains patent 24 months after its creation. No infectious complications, cardiac insufficiency symptoms, or steal syndromes of right upper limb were detected.

  12. Congenital inferior vena cava anomalies: a review of findings at multidetector computed tomography and magnetic resonance imaging

    Energy Technology Data Exchange (ETDEWEB)

    Yang, Catherine; Trad, Clovis Simao [Central de Diagnostico Ribeirao Preto (CEDIRP), SP (Brazil); Trad, Henrique Simao, E-mail: hstrad@terra.com.br [Central de Diagnostico Ribeirao Preto (CEDIRP), SP (Brazil); Universidade de Sao Paulo (HC-FMRPUSP), Ribeirao Preto, SP (Brazil). Fac. de Medicina. Hospital das Clinicas; Mendonca, Silvana Machado [Clinica de Diagnostico por Imagem (CDPI), Rio de Janeiro, RJ (Brazil)

    2013-06-15

    Inferior vena cava anomalies are rare, occurring in up to 8.7% of the population, as left renal vein anomalies are considered. The inferior vena cava develops from the sixth to the eighth gestational weeks, originating from three paired embryonic veins, namely the subcardinal, supracardinal and postcardinal veins. This complex ontogenesis of the inferior vena cava, with multiple anastomoses between the pairs of embryonic veins, leads to a number of anatomic variations in the venous return from the abdomen and lower limbs. Some of such variations have significant clinical and surgical implications related to other cardiovascular anomalies and in some cases associated with venous thrombosis of lower limbs, particularly in young adults. The authors reviewed images of ten patients with inferior vena cava anomalies, three of them with deep venous thrombosis. The authors highlight the major findings of inferior vena cava anomalies at multidetector computed tomography and magnetic resonance imaging, correlating them the embryonic development and demonstrating the main alternative pathways for venous drainage. The knowledge on the inferior vena cava anomalies is critical in the assessment of abdominal images to avoid misdiagnosis and to indicate the possibility of associated anomalies, besides clinical and surgical implications. (author)

  13. Congenital inferior vena cava anomalies: a review of findings at multidetector computed tomography and magnetic resonance imaging

    Directory of Open Access Journals (Sweden)

    Catherine Yang

    2013-07-01

    Full Text Available Inferior vena cava anomalies are rare, occurring in up to 8.7% of the population, as left renal vein anomalies are considered. The inferior vena cava develops from the sixth to the eighth gestational weeks, originating from three paired embryonic veins, namely the subcardinal, supracardinal and postcardinal veins. This complex ontogenesis of the inferior vena cava, with multiple anastomoses between the pairs of embryonic veins, leads to a number of anatomic variations in the venous return from the abdomen and lower limbs. Some of such variations have significant clinical and surgical implications related to other cardiovascular anomalies and in some cases associated with venous thrombosis of lower limbs, particularly in young adults. The authors reviewed images of ten patients with inferior vena cava anomalies, three of them with deep venous thrombosis. The authors highlight the major findings of inferior vena cava anomalies at multidetector computed tomography and magnetic resonance imaging, correlating them the embryonic development and demonstrating the main alternative pathways for venous drainage. The knowledge on the inferior vena cava anomalies is critical in the assessment of abdominal images to avoid misdiagnosis and to indicate the possibility of associated anomalies, besides clinical and surgical implications.

  14. Entrapment of Guide Wire in an Inferior Vena Cava Filter: A Technique for Removal

    Energy Technology Data Exchange (ETDEWEB)

    Abdel-Aal, Ahmed Kamel, E-mail: akamel@uabmc.edu; Saddekni, Souheil [University of Alabama at Birmingham, Department of Radiology (United States); Hamed, Maysoon Farouk [University of Alabama at Birmingham, Department of Anesthesia (United States); Fitzpatrick, Farley [Radiology Specialists of Louisville (United States)

    2013-04-15

    Entrapment of a central venous catheter (CVC) guide wire in an inferior vena cava (IVC) filter is a rare, but reported complication during CVC placement. With the increasing use of vena cava filters (VCFs), this number will most likely continue to grow. The consequences of this complication can be serious, as continued traction upon the guide wire may result in filter dislodgement and migration, filter fracture, or injury to the IVC. We describe a case in which a J-tipped guide wire introduced through a left subclavian access without fluoroscopic guidance during CVC placement was entrapped at the apex of an IVC filter. We describe a technique that we used successfully in removing the entrapped wire through the left subclavian access site. We also present simple useful recommendations to prevent this complication.

  15. Agenesis of Ductus Venosus Presenting with Dilated Inferior Vena Cava with Favorable Outcome

    Directory of Open Access Journals (Sweden)

    Omer Dai

    2014-04-01

    Full Text Available The ductus venosus regulates the distribution of oxygen and placental nutrients by restricting the centralization of blood flow in fetal circulation. The ductus venosus is a small vein transmitting oxygen-rich blood from the umbilical vein to the fetal heart.. Increasing numbers of case reports are being published about ductus venosus agenesis with cardiac structural abnormalities, other malformations, chromosomal abnormalities, and stillbirth. Heart failure, hydrops and unexplained polyhydramnios could also be associated with ductus venosus agenesis. In the follow-up of fetuses with ductus venosus agenesis, care must be taken to examine for hydrops and heart failure. The agenesis of ductus venosus is often only found in fetuses by coincidentally. Herein we discuss the prenatal diagnosis of isolated agenesis of the ductus venosus presenting with a dilated inferior vena cava and without any disturbance of fetal hemodynamics and any other malformation. In conclusion a dilated inferior vena cava can be a sign of ductus venosus agenesia.

  16. Cartografía de las publicaciones periódicas judías de izquierda en Argentina, 1900-1953

    Directory of Open Access Journals (Sweden)

    Alejandro Dujovne

    2009-04-01

    Full Text Available ResumenLa fuerte inversión política y cultural en la palabra impresa que tuvo lugar dentro del mundo culturaljudío argentino a lo largo del siglo XX se mostró especialmente intensa y rica en el arco ideológico dela izquierda. Así, sobre la base de un prolongado trabajo de registro y sistematización de las publicacionesperiódicas judías impresas en Buenos Aires a lo largo del siglo XX, el artículo se concentra en el análisis delconjunto de publicaciones de izquierda editadas entre 1900 y 1953. En este sentido, se propone un mapeode la diversidad de emprendimientos y a partir de él un primer esbozo de periodización a partir del cualresulte posible aproximarnos a los rasgos generales de la emergencia y las transformaciones socio-históricasde un espacio específico de publicaciones judías de izquierda. De este modo, el texto expone los contornosde un universo denso de producción, circulación y consumo de bienes simbólicos estructurado sobre doslenguas y conformado por un diverso conjunto de agentes culturales y políticos situados en el país y en elexterior. La objetivación de este espacio mediante una aproximación cartográfica como la que aquí sepropone abre un terreno de problemas e hipótesis de investigación aún no explorado.AbstractThe strong political and cultural investment in the printed word that took place within the ArgentineJewish cultural world throughout the twentieth century was particularly intense and rich in the arc of theideological left. Thus, based on a lengthy work of record and systematization of Jewish periodicals printedin Buenos Aires along the twentieth century, the article focuses on the analysis of the left-wing periodicalspublished between 1900 and 1953. In this regard, it proposes a mapping of the diversity of enterprises, andfrom it a first outline of periodization from which it is possible to reach the general features of the emergencyand the socio-historical transformations of a specific

  17. The CAVA corpus: synchronised stereoscopic and binaural datasets with head movements

    OpenAIRE

    Arnaud, Elise; Christensen, Heidi; Lu, Yan-Chen; Barker, Jon; Khalidov, Vasil; Hansard, Miles; Holveck, Bertrand; Mathieu, Herve; Narasimha, Ramya; Taillant, Elise; Forbes, Florence; Horaud, Radu

    2008-01-01

    International audience This paper describes the acquisition and content of a new multi-modal database. Some tools for making use of the data streams are also presented. The Computational Audio- Visual Analysis (CAVA) database is a unique collection of three synchronised data streams obtained from a binaural microphone pair, a stereoscopic camera pair and a head tracking device. All recordings are made from the perspective of a person; i.e. what would a human with natural head movements see...

  18. Extra-Adrenal Retroperitoneal Paraganglioma with Extensive Duodenal Invasion and Inferior Vena Cava Tumor Thrombus.

    Science.gov (United States)

    Sadamori, Hiroshi; Monden, Kazuteru; Hioki, Masayoshi; Yoshimoto, Masashi; Ueki, Toru; Hyodo, Tsuyoshi; Omonishi, Kunihiro; Kioka, Yukio; Kuriyama, Mitsuhito; Ohno, Satoshi; Sakaguchi, Kohsaku; Matsuda, Tadakazu; Takakura, Norihisa

    2016-08-01

    We report a case of extra-adrenal retroperitoneal paraganglioma (RP) with extensive duodenal invasion and tumor thromboses both in the right testicular vein and in the inferior vena cava (IVC). Because there was rigid adherence between the RP and the abdominal aorta, pancreatoduodenectomy with replacement of the IVC and aorta was performed for complete surgical resection. In the present case, both the mode of progression of the RP and the surgical approach were extremely rare. PMID:26921027

  19. Bullet embolisation from injured inferior cava vein to the right ventricle

    OpenAIRE

    Zenelaj, A; M Brati; Kerci, M

    2010-01-01

    Gunshot injuries of the human body challenge surgical teams in the emergency department. Since such injuries do not follow any rule, every patient should be considered a special case. Our case, of bullet embolism from injured inferior cava vein to the right heart ventricle is a rare one. Such cases make us be more alert for diagnosis and treatment of this kind of injury. Well equipped hospitals and experienced medical teams are necessary for successful outcome.

  20. A sulfated polysaccharide of Ecklonia cava inhibits the growth of colon cancer cells by inducing apoptosis

    OpenAIRE

    Ahna, Ginnae; Lee, WonWoo; Kim, Kil-Nam; Lee, Ji-Hyeok; Heo, Soo-Jin; Kang, Nalae; Lee, Seung-Hong; Ahnf, Chang-Bum; Jeon, You-Jin

    2015-01-01

    We investigated anticancer effects of the crude polysaccharides (CPs) isolated from Ecklonia cava enzymatic extracts using AMG, Viscozyme, Protamex, and Alcalase enzyme against a colon cancer cell line, CT26 cells. Among them, the CP of Protamex extract (PCP) contained the highest fucose and sulfated group contents and showed the highest growth inhibitory effect against CT-26 cells. In addition, PCP dose-dependently increased the formation of apoptotic body and the percentage of Sub-G1 DNA co...

  1. Prenatal Calcification of the Inferior Vena Cava and Renal Veins in a Normal Neonate

    Directory of Open Access Journals (Sweden)

    Daniel Ranch

    2006-01-01

    Full Text Available Prenatal calcification of the inferior vena cava (IVC and renal veins is a rare condition with unclear etiology and prognosis. It occurs with renal vein thrombosis in utero and is associated with congenital anomalies and abnormal prenatal hemodynamic status. We report a rare case of prenatal IVC and renal vein calcification in a normal neonate without any history of compromised prenatal or perinatal condition, or significant deterioration of kidney function.

  2. A case of renal cell carcinoma with an extensive inferior vena cava thrombosis

    Directory of Open Access Journals (Sweden)

    Majd Alfreijat

    2016-10-01

    Full Text Available Renal cell carcinoma (RCC is the most prevalent primary renal malignant neoplasm in adults. Most of the cases are usually found incidentally. It is commonly associated with venous thrombosis. We demonstrate a case of a RCC which was associated with an extensive thrombus that reached the upper part of the inferior vena cava (IVC. We also perform a brief literature review about the association between RCC and IVC thrombosis.

  3. Klippel-Trenaunay syndrome with gastrointestinal bleeding,splenic hemangiomas and left inferior vena cava

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Klippel-Trenaunay syndrome is a congenital vascular anomaly characterized by a triad of varicose veins,cutaneous capillary malformation,and hypertrophy of bone and(or)soft tissue.Gastrointestinal vascular malformations in Klippel-Trenaunay syndrome may present with gastrointestinal bleeding.The majority of patients with spleenic hemangiomatosis and/or left inferior vena cava are asymptomatic.We herein report a case admitted to the gastroenterology clinic with life-threatening hematochezia and symptomatic ir...

  4. Ecklonia cava Inhibits Glucose Absorption and Stimulates Insulin Secretion in Streptozotocin-Induced Diabetic Mice

    OpenAIRE

    Hye Kyung Kim

    2012-01-01

    Aims of study. Present study investigated the effect of Ecklonia cava (EC) on intestinal glucose uptake and insulin secretion. Materials and methods. Intestinal Na+-dependent glucose uptake (SGU) and Na+-dependent glucose transporter 1 (SGLT1) protein expression was determined using brush border membrane vesicles (BBMVs). Glucose-induced insulin secretion was examined in pancreatic β-islet cells. The antihyperglycemic effects of EC, SGU, and SGLT1 expression were determined in streptozotocin ...

  5. Sobre viejas y nuevas izquierdas. Los jóvenes comunistas uruguayos y el movimiento estudiantil de 1968 On the Old and New Left. Young Uruguayan Communists and the 1968 Student Movement

    Directory of Open Access Journals (Sweden)

    Vania Markarian

    2011-12-01

    Full Text Available Este trabajo se centra en la participación de los jóvenes comunistas uruguayos en el movimiento estudiantil de 1968 como parte de una generación de latinoamericanos que combinó una visión heroica de la militancia con la adopción de nuevas pautas culturales provenientes de Europa y Estados Unidos. Se analizan tanto las discusiones generadas en el seno de la izquierda sobre las "vías de la revolución" como el efecto de esas ideas y prácticas de circulación global en la conformación de identidades políticas a nivel local. La articulación entre militancia de izquierda, violencia política y cultura juvenil busca repensar algunas categorías usadas al estudiar los años sesenta en América Latina, especialmente las de "nueva izquierda" e "izquierda revolucionaria".This article focuses on the participation of young Uruguayan communists in the 1968 student movement as part of the generation of Latin Americans who combined a heroic view of militancy with the adoption of new cultural guidelines for Europe and the United States. It analyzes both the discussion that arose in the left on the "pathways of the revolution" and the effect of these global ideas and practices in shaping local political identities. The link between leftist militancy, political violence and youth culture attempts to rethink some of the categories used in studying the 1960s in Latin America, particularly those of the "new left" and "revolutionary left."

  6. Leiomyosarcoma of the inferior vena cava level II involvement: curative resection and reconstruction of renal veins

    Directory of Open Access Journals (Sweden)

    Wang Quan

    2012-06-01

    Full Text Available Abstract Leiomyosarcoma of the inferior vena cava (IVCL is a rare retroperitoneal tumor. We report two cases of level II (middle level, renal veins to hepatic veins IVCL, who underwent en bloc resection with reconstruction of bilateral or left renal venous return using prosthetic grafts. In our cases, IVCL is documented to be occluded preoperatively, therefore, radical resection of tumor and/or right kidney was performed and the distal end of inferior vena cava was resected and without caval reconstruction. None of the patients developed edema or acute renal failure postoperatively. After surgical resection, adjuvant radiation therapy was administrated. The patients have been free of recurrence 2 years and 3 months, 9 months after surgery, respectively, indicating the complete surgical resection and radiotherapy contribute to the better survival. The reconstruction of inferior vena cava was not considered mandatory in level II IVCL, if the retroperitoneal venous collateral pathways have been established. In addition to the curative resection of IVCL, the renal vascular reconstruction minimized the risks of procedure-related acute renal failure, and was more physiologically preferable. This concept was reflected in the treatment of the two patients reported on.

  7. First Evidence that Ecklonia cava-Derived Dieckol Attenuates MCF-7 Human Breast Carcinoma Cell Migration

    Directory of Open Access Journals (Sweden)

    Eun-Kyung Kim

    2015-03-01

    Full Text Available We investigated the effect of Ecklonia cava (E. cava-derived dieckol on movement behavior and the expression of migration-related genes in MCF-7 human breast cancer cell. Phlorotannins (e.g., dieckol, 6,6′-biecko, and 2,7″-phloroglucinol-6,6′-bieckol were purified from E. cava by using centrifugal partition chromatography. Among the phlorotannins, we found that dieckol inhibited breast cancer cell the most and was selected for further study. Radius™-well was used to assess cell migration, and dieckol (1–100 µM was found to suppress breast cancer cell movement. Metastasis-related gene expressions were evaluated by RT-PCR and Western blot analysis. In addition, dieckol inhibited the expression of migration-related genes such as matrix metalloproteinase (MMP-9 and vascular endothelial growth factor (VEGF. On the other hand, it stimulated the expression of tissue inhibitor of metalloproteinase (TIMP-1 and TIMP-2. These results suggest that dieckol exerts anti-breast cancer activity via the regulation of the expressions of metastasis-related genes, and this is the first report on the anti-breast cancer effect of dieckol.

  8. Compartment syndrome in patients with massive venous thrombosis after inferior vena cava filter placement.

    Science.gov (United States)

    Mesfin, Addisu; Lum, Ying Wei; Nayfeh, Tariq; Mears, Simon C

    2011-03-11

    Massive venous thrombosis, which can occur acutely after inferior vena cava filter placement, has 2 forms: phlegmasia cerulea dolens and phlegmasia alba dolens. In phlegmasia cerulea dolens, complete occlusion of venous outflow occurs. In the milder phlegmasia alba dolens version, collateral venous flow out of the limb remains despite the venous thrombosis. This article presents, to our knowledge, the first 2 cases of massive venous thrombosis (1 phlegmasia cerulea dolens, 1 phlegmasia alba dolens) below inferior vena cava filters occurring after the acute period. Phlegmasia cerulea dolens and phlegmasia alba dolens can present as compartment syndrome. Prompt fasciotomies were performed, but the underlying massive venous thrombosis was not addressed surgically. Phlegmasia cerulea dolens and phlegmasia alba dolens have high morbidity and mortality. The patient with phlegmasia alba dolens required leg and thigh fasciotomies and eventually required an above-knee amputation. The patient with phlegmasia cerulea dolens developed compartment syndrome in the left leg, right leg, and right thigh. Although he underwent decompression of all of these compartments, he died from multiple organ failure. A multidisciplinary approach with the vascular service and the intensivists is required in the treatment of patients with massive venous thrombosis. Treatment goals include preventing additional propagation of the thrombus via anticoagulation, with strong consideration for catheter-directed thrombolysis or thrombectomy and fasciotomies for compartment syndrome. The orthopedic surgeon should keep phlegmasia cerulea dolens and phlegmasia alba dolens in the differential for compartment syndrome, especially in patients who have had a history of acute or chronic inferior vena cava filter placement.

  9. Left sided inferior vena cava duplication and venous thromboembolism: case report and review of literature

    Directory of Open Access Journals (Sweden)

    Butera James N

    2008-12-01

    Full Text Available Abstract The etiology of venous thromboembolism in young patients is frequently associated with hereditary coagulation abnormalities, immunologic diseases, and neoplasia. The advent of radiological advances, namely Computed Tomography (CT scans and venography has identified vena cava malformations as a new etiologic factor worthy of consideration. In this case report, we describe the unusual occurrence of venous thromboembolism in association with a duplicated inferior vena cava. Duplications of the inferior vena cava (IVC are seen with an incidence of 0.2% to 3.0% in the general population. Embryogenesis of the IVC is a complex process involving the intricate formation and regression of numerous anastomoses, potentially leading to various anomalies. We present a 23-year-old Caucasian woman with IVC duplication who developed a deep venous thrombosis and multiple pulmonary emboli. Anomaly of the IVC is a rare example of a congenital condition that predisposes to thromboembolism, presumably by favoring venous stasis. This diagnosis should be considered in patients under the age of 30 with spontaneous occurrence of blood clots.

  10. Safety and Efficacy of the Gunther Tulip Retrievable Vena Cava Filter: Midterm Outcomes

    Energy Technology Data Exchange (ETDEWEB)

    Hoffer, Eric K., E-mail: eric.k.hoffer@hitchcock.org; Mueller, Rebecca J.; Luciano, Marcus R.; Lee, Nicole N.; Michaels, Anne T.; Gemery, John M. [Dartmouth-Hitchcock Medical Center, Department of Radiology, Section of Vascular and Interventional Radiology (United States)

    2013-08-01

    PurposeTo evaluate of the medium-term integrity, efficacy, and complication rate associated with the Gunther Tulip vena cava filter.MethodsA retrospective study was performed of 369 consecutive patients who had infrarenal Gunther Tulip inferior vena cava filters placed over a 5-year period. The mean patient age was 61.8 years, and 59 % were men. Venous thromboembolic disease and a contraindication to or complication of anticoagulation were the indications for filter placement in 86 % of patients; 14 % were placed for prophylaxis in patients with a mean of 2.3 risk factors. Follow-up was obtained by review of medical and radiologic records.ResultsMean clinical follow-up was 780 days. New or recurrent pulmonary embolus occurred in 12 patients (3.3 %). New or recurrent deep-vein thrombosis occurred in 53 patients (14.4 %). There were no symptomatic fractures, migrations, or caval perforations. Imaging follow-up in 287 patients (77.8 %) at a mean of 731 days revealed a single (0.3 %) asymptomatic fracture, migration greater than 2 cm in 36 patients (12.5 %), and no case of embolization. Of 122 patients with CT scans, asymptomatic perforations were identified in 53 patients (43.4 %) at a mean 757 days.ConclusionThe Gunther Tulip filter was safe and effective at 2-year follow-up. Complication rates were similar to those reported for permanent inferior vena cava filters.

  11. ¿Después del radicalismo la sensatez? El giro a la izquierda y la política económica en América Latina

    Directory of Open Access Journals (Sweden)

    Jorge Lazo Cividanes

    2008-01-01

    Full Text Available Este trabajo analiza el impacto que ha tenido el surgimiento de gobiernos de izquierda en América Latina en las políticas económicas que se aplican en la región. El artículo presenta y discute datos sociales y económicos de Argentina, Brasil, Chile y Venezuela, países donde la izquierda controla el gobierno, y dos casos contrastantes, Colombia y México, cuyos gobiernos están en manos de partidos de centro-derecha. Tomando como referencia aspectos centrales de las reformas estructurales de la década de los 90, nuestro análisis sugiere que los nuevos gobiernos de izquierda no han transformado la política económica de manera substancial, lo cual se contradice con la fuerte retórica antineoliberal que ha caracterizado a muchos de sus líderes durante las campañas electorales. En este sentido, el artículo finaliza con algunas hipótesis que podrían explicar tal comportamiento.

  12. Origen anómalo de la arteria coronaria izquierda originándose de la arteria pulmonar. Reporte de caso y revisión de literatura

    Directory of Open Access Journals (Sweden)

    José Jiménez Vega

    2007-01-01

    Full Text Available Se presenta el caso de un lactante de 2 meses de edad que consultó por tos y dificultad respiratoria; al ser admitido en el servicio de urgencias, el abordaje inicial fue de una infección respiratoria baja (bronquiolitis pero la evolución tórpida y la presencia de cardiomegalia hizo sospechar una cardiopatía, diagnosticándose origen anómalo de la arteria coronaria izquierda que nace de la arteria pulmonar, la cual fue tratada quirúrgicamente con resultado favorable.2 month old male who was brought to the emergency department with a history of non productive cold, was noticed with difficulty breathing. He was admitted with the possible diagnosis of bronquioloitis. The poor evolution of the patient, and the presence of cardiomegaly, made the physicians look for a cardiopathy, and a diagnosis of anomalous left coronary artery from the pulmonary artery was made. He was stabilized and then was taken to the operating room and had his anomalous coronary artery reimplanted to his aorta

  13. Acute iliofemoral venous thrombosis in patients with atresia of the inferior vena cava can be treated successfully with catheter-directed thrombolysis

    DEFF Research Database (Denmark)

    Broholm, Rikke; Jørgensen, Maja; Just, Sven;

    2011-01-01

    To assess the effectiveness and clinical outcomes of catheter-directed thrombolysis in patients with atresia of the inferior vena cava (IVC) and acute iliofemoral deep vein thrombosis (DVT).......To assess the effectiveness and clinical outcomes of catheter-directed thrombolysis in patients with atresia of the inferior vena cava (IVC) and acute iliofemoral deep vein thrombosis (DVT)....

  14. Hemorragia adrenal bilateral com trombose da veia renal direita e veia cava inferior em um recém-nascido Bilateral adrenal hemorrhage associated with right renal vein and inferior vena cava thrombosis in a newborn

    Directory of Open Access Journals (Sweden)

    Severino Aires de Araújo Neto

    2003-10-01

    Full Text Available Os autores apresentam um caso de um recém-nascido com um tipo raro de associação de hemorragia adrenal bilateral com trombose de veia renal direita e de veia cava inferior, em que os exames de ultra-sonografia e tomografia computadorizada exerceram papel crucial no estabelecimento do diagnóstico, orientação da conduta e seguimento do paciente.We report a rare case of coexisting bilateral adrenal hemorrhage, right renal vein and inferior vena cava thrombosis in a neonate. Imaging studies played an important role in the diagnosis, management, and follow-up of this patient.

  15. Repair of the inferior vena cava with autogenous peritoneo-fascial patch graft following abdominal trauma: a case report.

    Science.gov (United States)

    Emmiler, Mustafa; Kocogullari, Cevdet Ugur; Yilmaz, Sezgin; Cekirdekci, Ahmet

    2008-01-01

    Abdominal vascular injuries are among the most challenging and lethal injuries in traumatized patients. Inferior vena cava is the most frequently injured vein during the blunt or penetrating trauma. The primary repair, end to end anastomosis, endovascular stenting, or graft interposition with autogenous or synthetic materials should be considered in selected cases. However, in cases the synthetic graft was preferred, intestinal contaminations due to small or large bowel perforation accompanying the trauma have been cited as a limiting factor for the use of such grafts as in the current case. However, a previous history of lower leg variceal surgery prevents the use of great saphenous vein as a graft. So in the present case, the authors report a patient with inferior vena cava injury repaired with autogenous peritoneo-fascial graft. The authors have used APF graft in traumatic inferior vena cava injury for the first time. PMID:18667465

  16. On-and offshore tephrostratigraphy and -chronology of the southern Central American Volcanic Arc (CAVA)

    Science.gov (United States)

    Schindlbeck, J. C.; Kutterolf, S.; Hemming, S. R.; Wang, K. L.

    2015-12-01

    Including the recently drilled CRISP sites (IODP Exp. 334&344) the deep sea drilling programs have produced 69 drill holes at 29 Sites during 9 Legs at the Central American convergent margin, where the Cocos plate subducts beneath the Caribbean plate. The CAVA produced numerous plinian eruptions in the past. Although abundant in the marine sediments, information and data regarding large late Cenozoic explosive eruptions from Costa Rica, Nicaragua, Honduras, El Salvador, and Guatemala remain very sparse and discontinuous on land. We have established a tephrostratigraphy from recent through Miocene times from the unique archive of ODP/IODP sites offshore Central America in which we identify tephra source regions by geochemical fingerprinting using major and trace element glass shard compositions. Here we present first order correlations of ­~500 tephra layers between multiple holes at a single site as well as between multiple sites. We identified ashes supporting Costa Rican (~130), Nicaraguan (17) and Guatemalan (27) sources as well as ~150 tephra layers from the Galápagos hotspot. Within our marine record we also identified well-known marker beds such as the Los Chocoyos tephra from Atitlán Caldera in Guatemala and the Tiribi Tuff from Costa Rica but also correlations to 15 distinct deposits from known Costa Rican and Nicaraguan eruptions within the last 4.1 Ma. These correlations, together with new radiometric age dates, provide the base for an improved tephrochronostratigraphy in this region. Finally, the new marine record of explosive volcanism offshore southern CAVA provides insights into the eruptive history of long-living volcanic complexes (e.g., Barva, Costa Rica) and into the distribution and frequency of large explosive eruptions from the Galápagos hotspot. The integrated approach of Ar/Ar age dating, correlations with on land deposits from CAVA, biostratigraphic ages and sediment accumulation rates improved the age models for the drilling sites.

  17. Filtros de vena cava en pacientes con cáncer

    Directory of Open Access Journals (Sweden)

    Fernando A. Díaz Couselo

    2012-08-01

    Full Text Available Los pacientes con tromboembolismo venoso (TEV y cáncer tienen más complicaciones vinculadas al tratamiento anticoagulante que la población general. Los filtros de vena cava constituyen una herramienta útil para el tratamiento del TEV y su utilización es controvertida en estadios avanzados de la enfermedad. En este trabajo se revisaron las indicaciones, complicaciones y frecuencia de retiro de los filtros de vena cava en una población de pacientes oncológicos con TEV. Se analizaron 27 pacientes a quienes se les había colocado filtros de vena cava. Veinticinco tenían tumores sólidos y dos linfomas no Hodgkin. Veinticinco estaban bajo tratamiento activo (cirugía y/o quimioterapia. Diecinueve se hallaban en estadio IV de su enfermedad. El motivo de su indicación fue profilaxis en el período perioperatorio en 14 casos (51.9%, hemorragia (n = 5, trombocitopenia (n = 4, metástasis en sistema nervioso central (n = 2, accidente cerebrovascular (n = 1 y neurocirugía previa no reciente (n = 1. Se retiraron 8 (29.6% filtros. La mediana del tiempo de permanencia fue 21 días (6-75. No hubo diferencias estadísticamente significativas en la frecuencia de retiro entre los filtros colocados en el perioperatorio (6/14 y los colocados por otras contraindicaciones para la anticoagulación (2/13; p = 0.2087. No hubo fracasos ni complicaciones en los procedimientos de colocación y retiro.

  18. Research progress in the application of inferior vena cava filter on acute venous thrombosis

    Institute of Scientific and Technical Information of China (English)

    Ioannis Stefanidis; George Galyfos; Stavros Kerasidis; Ioannis Stamatatos; Georgios Geropapas; Sotirios Giannakakis; Georgios Kastrisios; Gerasimos Papacharalampous; Chrisostomos Maltezos

    2015-01-01

    Anticoagulant therapy using heparins or per os vitamin K antagonists has been the treatment of choice in patients with venous thromboembolic disease for decades. However, the introduction of inferior vena cava (IVC) filters recently has provided new therapeutic choices appropriate for specific groups of patients with venous thromboembolic disease. This review aims to present all current evidence on the indications and precautions for the proper IVC filters utilization. There is still a great challenge in identifying the proper populations that would benefit from an IVC filter implantation or extraction. New randomized trials are needed to produce safe and clear guidelines of proper use.

  19. Rectal cancer presenting tumor thrombosis in the inferior vena cava and common iliac vein: case report

    Energy Technology Data Exchange (ETDEWEB)

    Rhee, Sun Jung; Park, Seong Jin; Lee, Hae Kyung; Yi, Boem Ha; Park, Sung Il; Hong, Soo Jin; Kim, Hee Kyung; Park, Jeong Mi [Soonchunhyang University Hospital, Bucheon (Korea, Republic of)

    2008-10-15

    We report the radiologic findings of a rectal carcinoma case with tumor thrombus in the inferior vana cava and left common iliac vein of a 48-year-old woman. The patient complained of swelling in the left leg and consequently underwent a lymphoscintigraphy, CT venography, abdominal CT, PET-CT, pelvis MRI, and ultrasound doppler. The rectal cancer was determined via a colonoscopy. The tissue biopsy of tumor thrombus in the IVC was done during insertion of IVC filter and poorly differentiated adenocarcinoma was revealed by pathology.

  20. [Bilateral deep venous thrombosis and vena cava aplasia treated with local thrombolysis

    DEFF Research Database (Denmark)

    Pelta, A.M.; Jørgensen, Maja; Just, Sven Richardt Lundgren;

    2008-01-01

    In this case report the treatment of a young man with bilateral iliaco-femoral DVT and vena cava aplasia is presented. The patient was treated with catheter-directed thrombolysis; the catheters were introduced in the thrombus of both legs via v. popliteae. The treatment led to almost complete thr...... thrombus resolution and no valvular incompetence at three months follow-up. In our opinion this treatment should be offered even in complex cases of acute proximal deep venous thrombosis Udgivelsesdato: 2008/5/19...

  1. Cement embolus trapped in the inferior vena cava filter during percutaneous vertebroplasty

    Energy Technology Data Exchange (ETDEWEB)

    Li, Zhi; Ni, Rui Fang; Zhao, Xin; Yang, Chao; Li, Ming Ming [First Affiliated Hospital of Soochow University, Suzhou (China)

    2013-06-15

    A 58-year-old female patient, diagnosed with adenocarcinoma of the lung, underwent percutaneous vertebroplasty at the L4 vertebral body due to painful spinal metastases. Because of deep venous thrombosis of the left femoral and iliac veins, an inferior vena cava filter had been placed before vertebroplasty. Bone cement migrated into the venous bloodstream and then was being trapped within the previously placed filter. This case illustrates that caval filter could capture the bone cement and prevent it from migrating to the pulmonary circulation.

  2. Bilateral dyb venos trombose og vena cava-aplasi behandlet med lokal trombolyse

    DEFF Research Database (Denmark)

    Pelta, A.M.; Jorgensen, M.; Jensen, L.P.;

    2008-01-01

    In this case report the treatment of a young man with bilateral iliaco-femoral DVT and vena cava aplasia is presented. The patient was treated with catheter-directed thrombolysis; the catheters were introduced in the thrombus of both legs via v. popliteae. The treatment led to almost complete thr...... thrombus resolution and no valvular incompetence at three months follow-up. In our opinion this treatment should be offered even in complex cases of acute proximal deep venous thrombosis Udgivelsesdato: 2008/5/19...

  3. Inferior vena cava stent grafting closure of a high-flow portacaval shunt.

    Science.gov (United States)

    Alhaizaey, Abdullah; Ghanekar, Anand; Oreopoulos, George

    2016-01-01

    Portacaval (PC) shunts can be of congenital or acquired types. Acquired PC shunts are usually created in patients with end-stage liver disease to manage complications associated with portal hypertension or may be part of selected adult-adult living donor liver transplantation procedures to decrease the chance of the small-for-size syndrome. The main potential complication of these acquired high-flow PC shunts is early hepatic encephalopathy. We present a case of a high-flow acquired PC shunt after liver transplantation that was complicated by uncontrolled encephalopathy. This was treated by endovascular inferior vena cava stent grafting for shunt closure. PMID:26946901

  4. ANGIOPLASTIA PERCUTÁNEA CON STENT EN EL TRONCO PRINCIPAL DE LA ARTERIA CORONARIA IZQUIERDA / Percutaneous angioplasty with stent in the left main coronary artery

    Directory of Open Access Journals (Sweden)

    Javier Almeida Gómez

    2012-10-01

    Full Text Available ResumenIntroducción y objetivos: La afectación significativa del tronco común izquierdo, es la más letal de las presentaciones de la enfermedad arterial coronaria. El tratamiento de elección, es la cirugía de derivación aorto-coronaria. En varios estudios multicéntricos, se sugiere la posibilidad de tratar la enfermedad de tronco mediante el intervencionismo coronario percutáneo con implantación de prótesis endoluminal o stent. El objetivo de esta investigación fue caracterizar la angioplastia percutánea con stent en el tronco principal de la arteria coronaria izquierda. Método: Se realizó un estudio observacional, descriptivo y transversal en 21 pacientes con angioplastia percutánea con stent en el tronco principal de la arteria coronaria izquierda, realizadas en el laboratorio de Hemodinámica y Cardiología Intervencionista del Hospital "Hermanos Ameijeiras", entre enero 2010 y julio 2011. Resultados: No existió diferencia significativa en el sexo. Predominó el grupo de edad entre 50-64 años (47,6 % y el color de la piel blanca (76,19 %. El factor de riesgo cardiovascular más encontrado fue la HTA (85,71 %, seguido de dislipidemia (47,61 %. El diagnóstico más observado fue la angina de esfuerzo estable, 14 casos (66,66 %. La lesión en el cuerpo del tronco (12 pacientes, 57,1 %, fue la más encontrada, seguida de la ostial (8 casos. El tipo de stent más utilizado fue el liberador de fármacos (61,9 %, y solamente 4 pacientes presentaban troncos protegidos quirúrgicamente. Conclusiones: La mayor cantidad de casos fueron electivos, con predominio de los troncos no protegidos. El factor de riesgo coronario más encontrado fue la HTA. Se encontró asociación significativa entre la diabetes mellitus y la localización ostial de la lesión tratada. / AbstractIntroduction and Objectives: Significant impairment of the left main coronary artery is the most lethal presentation of coronary artery disease. The treatment of choice

  5. [Bilateral renal vein thrombosis and acute renal failure due to inferior vena cava filter thrombosis. Report of one case].

    Science.gov (United States)

    Vega, Jorge; Díaz, Rienzi

    2014-11-01

    Bilateral renal vein thrombosis is an unusual etiology of acute renal failure and usually is associated with nephrotic syndrome. We report a 77-year-old man, consulting in the emergency room for anuria that appeared 24 hours after a syncope. The patient was carrier of an inferior vena cava filter prophylactically installed 17 months earlier and was not receiving anticoagulation. Serum creatinine on admission was 5.45 mg/dl and blood urea nitrogen was 54 mg/dl. Computed tomography and Doppler ultrasonography showed an extensive thrombosis of inferior vena cava and both renal veins. Heparin therapy was started with a rapid recovery of renal function and diuresis.

  6. Combined Anomaly of the Right Hepatic Lobe Agenesis and Absence of the Inferior Vena Cava: a Case Report

    Energy Technology Data Exchange (ETDEWEB)

    Suh, Hee Jung; Kim, Wan Tae; Kim, Mi Young; Cho, Yun Ku [Seoul Veterans Hospital, Seoul (Korea, Republic of)

    2008-07-15

    The absence of the inferior vena cava is an uncommon congenital anomaly that has recently been identified as an important risk factor contributing to the development of deep venous thrombosis. Congenital agenesis of the right hepatic lobe is a rare anomaly which is found incidentally in radiologic examinations. We present a case of a congenital absence of the infrarenal inferior vena cava, combined with agenesis of the right hepatic lobe in a 62-year-old man presented with symptoms of deep venous thrombosis

  7. Relationship between encephalopathy and portal vein-vena cava shunt:Value of computed tomography during arterial portography

    Institute of Scientific and Technical Information of China (English)

    Qian Chu; Zhen Li; Su-Ming Zhang; Dao-Yu Hu; Ming Xiao

    2004-01-01

    AIM: To assess the value of computed tomography during arterial portography (CTAP) in portal vein-vena cava shunt,and analysis of the episode risk in encephalopathy.METHODS: Twenty-nine patients with portal-systemic encephalopathy due to portal hypertension were classified by West Haven method into grade Ⅰ(29 cases), gradeⅡ(16 cases), grade Ⅲ(10 cases), grade Ⅳ( 4 cases). All the patients were scanned by spiral-CT. Plane scans, artery phase and portal vein phase enhancement scans were performed, and the source images were thinly reconstructed to 1.25 mm. We reconstructed the celiac trunk, portal vein,inferior vena cava and their branches and subjected them to three-dimensional vessel analysis by volume rendering(VR) technique and multiplanar volume reconstruction(MPVR) technique. The blood vessel reconstruction technique was used to evaluate the scope and extent of portal vein-vena cava shunt, portal vein emboli and the fistula of hepatic artery- portal vein. The relationship between the episode risk of portal-systemic encephalopathy and the scope and extent of portal vein-vena cava shunt,portal vein emboli and fistula of hepatic artery- portal vein was studied.RESULTS: The three-dimensional vessel reconstruction technique of spiral-CT could display celiac trunk, portal vein,inferior vena cava and their branches at any planes and angles and the scope and extent of portal vein-vena cava shunt, portal vein emboli and the fistula of hepatic artery- portal vein. In twenty-nine patients with portal-systemic encephalopathy, grade Ⅰ accounted for 89.7% esophageal varices, 86.2% paragastric varices; grade Ⅱ accounted for68.75% cirsomphalos, 56.25% paraesophageal varices,62.5% retroperitoneal varices and 81.25% dilated azygos vein; grade Ⅲ accounted for 80% cirsomphalos, 60%paraesophageal varices, 70% retroperitoneal varices, 90%dilated azygos vein, and part of the patients in grades Ⅱand Ⅲ had portal vein emboli and fistula of hepatic arteryportal vein

  8. Las invasiones de tierras y la izquierda en la ciudad: Montevideo, Uruguay, 1984-2011 Squatter Settlements and the Left in the City: Montevideo, Uruguay, 1984-2011

    Directory of Open Access Journals (Sweden)

    MARÍA JOSÉ ALVAREZ RIVADULLA

    2012-01-01

    Full Text Available En la última década del siglo XX la ciudad de Montevideo sufrió cambios drásticos. El número de barrios informales creció como nunca en la historia de la ciudad. Muchos de esos barrios se formaron a partir de invasiones organizadas, es decir, mediante un proceso en el que un grupo identificó un terreno disponible, lo invadió, trazó calles y lotes, negoció con las autoridades y se organizó para demandar servicios públicos. Este artículo se pregunta qué explica la ola de invasiones de tierra planificadas en torno a 1990 en Montevideo. A partir de análisis cuantitativo y cualitativo de eventos de invasión a través del tiempo, argumenta que el aumento de la competencia electoral y la llegada de la coalición de izquierda Frente Amplio al gobierno de la ciudad, constituyeron una oportunidad política clave para los pobres urbanos.The city of Montevideo changed drastically during the last decade of the twentieth century. The number of informal neighborhoods increased in an unprecedented manner. Many of these neighborhoods started as organized land invasions, that is, with a group identifying a piece of land, invading it, outlining streets and plots, negotiating with authorities and organizing to demand public services. This article asks what explains the wave of organized land invasions in Montevideo around 1990. Using qualitative and quantitative analysis of squatting events over time, it argues that the rising electoral competition and the arrival of the leftist coalition Frente Amplio to the city government, constituted a key political opportunity for the urban poor.

  9. A new type of inferior vena cava filter and its animal experiment

    Institute of Scientific and Technical Information of China (English)

    YU; Xue-bao; LIU; Mei-rong; GUO; Jin-fang; HU; Yu-ling

    2005-01-01

    This article explains the definition of pulmonary embolism as well as its causes and elaborates on a new type of inferior vena cava filter(VCF)we have developed. Shaped like a waistdrum,the VCF is mainly made of TiNi shape memory alloy-wire. It has a subulate wire frame which can intercept the thrombus on each side. Its medial body is made up of straight shape memory alloywire . Every pillar is bound by several shape memory alloy springs. This type of inferior vena cava filter has a good resistance to fatigue and is hard to be broken. Through animal experiments its framework has been proved to be lasting. Neither deformation nor fragmentation happened when the VCF had been kept in the body for a long time. The thrombus interception efficiency of our VCF is higher than imported VCFs. The filter is unfavorable for thrombosis. After implantation,the IVC was completely unimpeded and no displacement occurred. Moreover the VCF did little damage to the Wall of vein. Neither IVC perforation nor haematoma occurred after the operation.

  10. The clinical implications of variants of vena cava inferior and aorta on retroperitoneal surgery

    Directory of Open Access Journals (Sweden)

    S. V. Mukhtarulina

    2014-12-01

    Full Text Available Objective: to study variants of retroperitoneal vascular structure and its clinical implications on retroperitoneal surgery in patients with cervical cancer IA–IIB stage.Materials and methods. 101 patients who underwent paraaortic and bilateral pelvic lymphadenectomy were included in this study. 10 patients of the first group with anomalies of inferior vena cava, renal arteries and veins, common iliac vein and ovarian vessels were compared with 91 patients of the second group without anomalies.Results. Variants of major retroperitoneal vascular structure were present in 10 (9.9 % patients. Supernumerary renal arteries and veins observed in 5 (4.9 % patients; retroaortic left renal vein type I and II – in 3 (3.0 % patients. Double vena cava inferior detected in 1 (1.0 % patient. Patients with variants of retroperitoneal vascular structures hadn’t vessel injury. There was no difference in intraoperative hemorrhage, transfusion red blood cell, rate of intraoperative hemoglobin and removed paraaortic lymph nodes between the groups. Risk factors for intraoperative bleeding in patients with cervical cancer, depending on the presence or absence of anomalies of retroperitoneal vessels had no significant difference.Conclusion. Despite the fact that the variants of retroperitoneal vascular structures are rare (9.9 %, the success of retroperitoneal surgery is associated with the knowledge of vascular variations which decrease serious, life-threatening complications.

  11. The clinical implications of variants of vena cava inferior and aorta on retroperitoneal surgery

    Directory of Open Access Journals (Sweden)

    S. V. Mukhtarulina

    2014-01-01

    Full Text Available Objective: to study variants of retroperitoneal vascular structure and its clinical implications on retroperitoneal surgery in patients with cervical cancer IA–IIB stage.Materials and methods. 101 patients who underwent paraaortic and bilateral pelvic lymphadenectomy were included in this study. 10 patients of the first group with anomalies of inferior vena cava, renal arteries and veins, common iliac vein and ovarian vessels were compared with 91 patients of the second group without anomalies.Results. Variants of major retroperitoneal vascular structure were present in 10 (9.9 % patients. Supernumerary renal arteries and veins observed in 5 (4.9 % patients; retroaortic left renal vein type I and II – in 3 (3.0 % patients. Double vena cava inferior detected in 1 (1.0 % patient. Patients with variants of retroperitoneal vascular structures hadn’t vessel injury. There was no difference in intraoperative hemorrhage, transfusion red blood cell, rate of intraoperative hemoglobin and removed paraaortic lymph nodes between the groups. Risk factors for intraoperative bleeding in patients with cervical cancer, depending on the presence or absence of anomalies of retroperitoneal vessels had no significant difference.Conclusion. Despite the fact that the variants of retroperitoneal vascular structures are rare (9.9 %, the success of retroperitoneal surgery is associated with the knowledge of vascular variations which decrease serious, life-threatening complications.

  12. Nursing care of the complications caused by vena cava filter placement and thrombolytic therapy

    International Nuclear Information System (INIS)

    Objective: To discuss the nursing care and observation measures for the complications occurred after vena cava filter placement and thrombolytic therapy. Methods: During the period of July 2007-March 2010, vena cava filter placement and thrombolytic therapy were employed in 70 patients. The observation for the main procedure-related complications was made. The main complications included bleeding tendency, pulmonary embolism, filter migration or loss, thrombus formation within filter, IVC perforation due to filter, venous insufficiency and skin blisters of the affected lower extremity. Results: The total effective rate of thrombolytic treatment in 70 patients was 95.7%. As reasonable and effective nursing care measures were implemented, no major complications, such as pulmonary embolism, filter migration or loss,thrombus formation within filter, IVC perforation due to filter, infection, etc. occurred. The other complications developed in some patients,which included hematuria (n=4), bleeding at puncturing site (n=3), bleeding at abdominal incision (n=3), subcutaneous ecchymosis (n=3) and skin vesicles of diseased limb (n=3), all of which were cured after proper management. Conclusion: Postoperative nursing is a kind of prospective nursing care, the primary purpose of which is to prevent the occurrence of the potential complications after surgery. Therefore, solid fundamental knowledge, careful observation ability and strong consciousness of responsibility are most important.(authors)

  13. Sobre viejas y nuevas izquierdas. Los jóvenes comunistas uruguayos y el movimiento estudiantil de 1968 On the Old and New Left. Young Uruguayan Communists and the 1968 Student Movement

    OpenAIRE

    Vania Markarian

    2011-01-01

    Este trabajo se centra en la participación de los jóvenes comunistas uruguayos en el movimiento estudiantil de 1968 como parte de una generación de latinoamericanos que combinó una visión heroica de la militancia con la adopción de nuevas pautas culturales provenientes de Europa y Estados Unidos. Se analizan tanto las discusiones generadas en el seno de la izquierda sobre las "vías de la revolución" como el efecto de esas ideas y prácticas de circulación global en la conformación de identidad...

  14. El Partido de la Revolución Democrática en crisis: entre la dirigencia de la corriente Nueva Izquierda y la salida de Andrés Manuel López Obrador

    OpenAIRE

    Rosendo Bolívar Meza

    2014-01-01

    El autor señala que una vez concluido el proceso electoral de 2012, el Partido de la Revoluci ón Democrática entró en la peor de sus crisis internas de los 25 años que lleva de existencia. Esto se debe a la conducción realizada por su dirigencia nacional encabezada por la corriente Nueva Izquierda, a la cual, por la forma en que ha conducido al partido y las decisiones que ha tomado, se han opuesto varias de las corrientes que lo conforman. A esto se agrega la salida de Andrés Manuel López Ob...

  15. Attitudes, Ideological Associations and the Left–Right Divide in Latin America Actitudes, Asociaciones Ideológicas y la Dimensión de Izquierda-Derecha en América Latina

    Directory of Open Access Journals (Sweden)

    Nina Wiesehomeier

    2012-01-01

    Full Text Available Do Latin American citizens share a common conception of the ideological left–right distinction? And if so, is this conception linked to individuals’ ideological self-placement? Selecting questions from the 2006 Latinobarómetro survey based on a core definition of the left–right divide rooted in political theory and philosophy, this paper addresses these questions. We apply joint correspondence analysis to explore whether citizens who relate to the same ideological identification also share similar and coherent convictions and beliefs that reflect the ideological content of the left–right distinction. Our analysis indicates that theoretical conceptions about the roots of, and responsibility for, inequality in society, together with the translation of these beliefs into attitudes regarding the state versus market divide, distinguish those who self-identify with the left and those who self-identify with the right.¿Comparten los ciudadanos de América Latina una concepción común de la dimension ideológica izquierda-derecha? Y si es así, ¿estará esta concepción vinculada a la auto-identificación ideológica de los individuos? Este trabajo aborda estos planteamientos seleccionando preguntas del Latinobarómetro del año 2006, con base en una definición básica de la división izquierda-derecha que se arraiga en la teoría y filosofía política. Utilizamos el análisis de correspondencia conjunto para explorar si los ciudadanos que comparten la misma identificación ideológica también poseen convicciones y creencias similares y coherentes que reflejan el contenido ideológico de la dimensión izquierda-derecha. Nuestro análisis indica que las concepciones teóricas acerca de las raíces de, y de la responsabilidad para, la desigualdad en la sociedad, junto con la traducción de estas creencias en actitudes con respecto a la distinción estado-mercado, distinguen a aquellos que se identifican con la izquierda de los que se

  16. Implante de filtro de veia cava inferior guiado por ultra-som: relato de dois casos Placement of inferior vena cava filter guided by ultrasound: report of two cases

    Directory of Open Access Journals (Sweden)

    Rogério Abdo Neser

    2006-03-01

    Full Text Available A instalação percutânea dos filtros de veia cava inferior é realizada, tradicionalmente, em sala de angiografia ou em centro cirúrgico, utilizando-se fluoroscopia e infusão de contraste iodado para adequado posicionamento do dispositivo. Porém, para pacientes internados em unidades de tratamento intensivo com condição clínica ruim para o transporte ou com função renal deteriorada, o deslocamento e a nefrotoxicidade dos contrastes iodados são, freqüentemente, motivos de preocupação. Assim, a colocação, à beira do leito, de filtros de veia cava inferior guiada por ultra-som pode ser uma alternativa bastante atraente e segura para esses pacientes.The percutaneous placement of inferior vena cava filters is traditionally carried out in angiosuite or operating room using fluoroscopy and infusion of iodinated contrast for proper positioning of the device. However, for patients hospitalized in intensive care units under poor conditions for transportation, and for patients with impaired renal function, their displacement and the nephrotoxicity of the iodinated contrast agents are frequently matters of concern. Thus, the bedside placement of inferior vena cava filters guided by ultrasound may be a reasonably safe and attractive alternative for these patients.

  17. Right renal vein elongation with the inferior vena cava for cadaveric kidney transplants: an old neglected surgical approach

    Directory of Open Access Journals (Sweden)

    Jose C. Baptista-Silva

    2005-12-01

    Full Text Available INTRODUCTION: Short right renal vein is a frequent and well-known technical inconvenience that is commonly observed during transplantation of the right kidney. We present our experience with the elongation of short cadaveric right renal veins using the contiguous vena cava during cadaveric renal transplants. METHODS: We performed 34 kidney transplantations with a short right renal vein requiring elongation using the inferior vena cava, to make the venous anastomosis technically feasible. The elongated right renal vein was anastomosed end to side to the external iliac vein in 24 patients, to the common iliac vein in 8 patients and to the inferior vena cava in 2 patients. The right renal artery with an aortic patch was implanted end to side in 33 patients, and end to end without aortic patch to the internal iliac artery in one patient. RESULTS: In all cases, the vascular anastomoses were easily performed in the recipient and no thrombosis was observed. CONCLUSION: Elongation of a short right renal vein with the inferior vena cava is a feasible mean to overcome technical problems that may compromise the results of cadaveric renal transplantation.

  18. Catheter-directed thrombolysis for double inferior vena cava with deep venous thrombosis: A case report and literature review.

    Science.gov (United States)

    Wang, Xiaodong; Chen, Zhengxin; Cai, Qianrong

    2014-08-01

    Double inferior vena cava (DIVC) with deep venous thrombosis (DVT) is rare, and there is only one reported case of DIVC with DVT treated by catheter-directed thrombolysis. We report a case of a 32-year-old man with an extensive venous clot involving the infrarenal segment of a double IVC who received filter implantation and catheter-directed thrombolysis.

  19. Dispersión del QRS como índice de disincronía en el bloqueo de rama izquierda y de sincronía tras la terapia de resincronización cardíaca, una variable de respuesta exitosa / QRS dispersion as an index of dyssynchrony in left bundle branch block and of

    OpenAIRE

    Elibet Chávez González; Alain Alonso Herrera; Raimundo Carmona Puerta; Damián Pérez Cabrera; Ramiro R Ramos Ramírez; Walker Gómez Paima; Francisco L Moreno-Martínez

    2015-01-01

    Introducción: En pacientes con insuficiencia cardíaca, el bloqueo de rama izquierda del haz de His constituye un importante marcador de mal pronóstico, en ellos la tera-pia de resincronización puede mejorar la función del ventrículo izquierdo. Objetivo: Describir variables electrocardiográficas asociadas a una mejor respuesta de la resincronización cardíaca. Método: Se estudiaron 19 pacientes, 7 mujeres y 12 hombres con bloqueo de rama izquierda y fracción de eyección ≤ 35 %. Se realizó elect...

  20. 75 FR 28542 - Superior Resource Advisory Committee

    Science.gov (United States)

    2010-05-21

    ... orient the new Superior Resource Advisory Committee members on their roles and responsibilities. DATES... of the roles and responsibilities of the Superior Resource Advisory Committee members; Election of... Forest Service Superior Resource Advisory Committee AGENCY: Forest Service, USDA. ACTION: Notice...

  1. Pensamiento Superior y Desarrollo Territorial

    OpenAIRE

    Víctor Manuel Racancoj Alonzo

    2015-01-01

    Esta reflexión pretende explicar el papel, fundamental, que juega el pensamiento superior, en la formulación y la práctica de modelos de desarrollo territorial local; para que contribuyan de forma sustantiva, en la transformación de las condiciones socioeconómicas adversas que hoy viven comunidades indígenas y rurales de muchos países, como Guatemala, situación que puede resumirse en altos índices de pobreza y desnutrición. Pero, el pensamiento superior, debe ser competencia de la población c...

  2. Muerte súbita por embolia cerebral de mixoma de la aurícula izquierda Sudden death due to cerebral embolism from a left atrial myxoma

    Directory of Open Access Journals (Sweden)

    B. Aguilera

    2011-09-01

    Full Text Available El mixoma es el tumor cardiaco primario más frecuente. Puede manifestarse con síntomas cardiacos, síntomas generales y embolismo tumoral sistémico. Aunque es un tumor benigno, las embolizaciones, especialmente las cerebrales, pueden ocasionar graves complicaciones neurológicas, de ahí que esté indicada su resección quirúrgica. Presentamos el caso de un varón de 47 años que, en ausencia de síntomas previos, presenta síncope mientras mantenía relación sexual, falleciendo a las pocas horas. En la autopsia se constató en la aurícula izquierda, un tumor pediculado y gelatinoso de 1 cm de diámetro adherido al tabique interauricular, y en la arteria carótida interna derecha, un trombo oclusivo. Al estudio histológico, el tumor presentaba la morfología típica del mixoma cardiaco recubierto por trombo de fibrina y la oclusión arterial estaba ocasionada por émbolo tumoral y trombo de fibrina, hallazgos que explicaron el cuadro clínico.Myxoma is the most common primary tumor of the heart. Clinical manifestations are due to cardiac disturbance, systemic embolism and constitutional symptoms. Although it is a benign tumor, embolism, especially cerebral ones, can produce neurological complications. Surgical treatment of the myxomas is indicated to prevent cerebral complications. We present the case of a previously asymptomatic 47 years-old man who suffer syncope during sexual intercourse, dying few hours later without recover conscientious. At autopsy, in the left atria there was a gelatinous tumor, 1cm length, attached to the interatrial septum and the internal right carotid artery was occluded by a thrombus. Microscopically, the tumor demonstrated the characteristic histological findings of cardiac myxoma covered by fibrinous thrombus and, the carotid artery was occluded by a tumoral embolism.

  3. What are Millian Qualitative Superiorities?

    Directory of Open Access Journals (Sweden)

    Jonathan Riley

    2008-04-01

    Full Text Available In an article published in Prolegomena 2006, Christoph Schmidt-Petri has defended his interpretation and attacked mine of Mill’s idea that higher kinds of pleasure are superior in quality to lower kinds, regardless of quantity. Millian qualitative superiorities as I understand them are infinite superiorities. In this paper, I clarify my interpretation and show how Schmidt-Petri has misrepresented it and ignored the obvious textual support for it. As a result, he fails to understand how genuine Millian qualitative superiorities determine the novel structure of Mill’s pluralistic utilitarianism, in which a social code of justice that distributes equal rights and duties takes absolute priority over competing considerations. Schmidt-Petri’s own interpretation is a non-starter, because it does noteven recognize that Mill is talking about different kinds of pleasant feelings, such that the higher kinds are intrinsically more valuable than the lower. I conclude by outlining why my interpretation is free of any metaphysical commitment to the “essence” of pleasure.

  4. X-ray examination in diagnosis of hepatic segment deficiency of inferior cava

    Energy Technology Data Exchange (ETDEWEB)

    Kiseleva, I.P.; Podzolkov, V.P.; Ivanitskij, A.V.; Mal' sagov, G.U. (Akademiya Meditsinskikh Nauk SSSR, Moscow. Inst. Serdechno-Sosudistoj Khirurgii; Tsentral' nyj Inst. Usovershenstvovaniya Vrachej, Moscow (USSR))

    Data on clinical and X-ray examination of 29 patients aged 2 weeks to 66 years with vena cava inferior hepatic segment deficiency are presented. The blood outflow from the lower part of the body was effected through the azygos vein in 17 patients, and through the hemiazygos one in 12 patients. The data obtained were in all cases correlated with the results of intracardiac research methods (the right and left heart cavities catherization and angiocardiography), with intraoperative and autopsy findings. An anomaly was found to prevail in patients (89.6%) with different types of abnormal heart position in the thoracic cavity. Along with examination of the cardiovascular system, the abdominal organs study was carried out: standard roentgenoscopy and radiography, both aiming to detect the liver position, gastrointestinal tract examination, and cholecystography.

  5. A Dedicated Inferior Vena Cava Filter Service Line: How to Optimize Your Practice.

    Science.gov (United States)

    Karp, Jennifer K; Desai, Kush R; Salem, Riad; Ryu, Robert K; Lewandowski, Robert J

    2016-06-01

    Despite the increased placement of retrievable inferior vena cava filters (rIVCFs), efforts to remove these devices are not commensurate. The majority of rIVCFs are left in place beyond their indicated usage, and often are retained permanently. With a growing understanding of the clinical issues associated with these devices, the United States Food and Drug Administration (FDA) has prompted clinicians to remove rIVCF when they are no longer indicated. However, major obstacles exist to filter retrieval, chief among them being poor clinical follow-up. The establishment of a dedicated IVC filter service line, or clinic, has been shown to improve filter retrieval rates. Usage of particular devices, specifically permanent versus retrievable filters, is enhanced by prospective physician consultation. In this article, the rationale behind a dedicated IVC filter service line is presented as well as described the structure and activities of the authors' IVC filter clinic; supporting data will also be provided when appropriate.

  6. Patency of the inferior vena cava after placement of Simon nitinol filter

    International Nuclear Information System (INIS)

    This paper reports on Simon nitinol filters (SNFs) placed in 33 patients (11 male, 22 female; mean age, 67 years; range, 38-88 years) since February 1988. MR imaging and US were performed in 18 of these patients to evaluate patency of the inferior vena cava (IVC) 2-9 months after SNF placement. Six patients were imaged twice with MR and US, for a total of 24 studies. Duplex Doppler US was used. For MR imaging, spin-echo sequences were used for six examinations in five patients, and fast low-angle shot sequences in the remaining 18. The results were as follows for MR imaging versus US: adequate visualization of the IVC, 23 versus 10 studies; partial visualization, one versus five; nonvisualization, zero versus nine; normal IVC, 16 versus 10; occlusions of IVC, five (three patients) versus zero; partial occlusion, two (asymptomatic patients) versus zero; and nondiagnostic findings, one versus 14

  7. Brachytherapy for the prevention of neointimal hyperplasia in the canine inferior vena cava after stent placement

    Energy Technology Data Exchange (ETDEWEB)

    Isota, Masayuki; Kaminou, Toshio; Sakai, Yukimasa; Nakamura, Kenji; Yamada, Ryusaku [Osaka City Univ. (Japan). Medical School

    2002-06-01

    The aim of this study was to evaluate the efficacy of brachytherapy for preventing neointimal hyperplasia in the inferior vena cava (IVC) after stent placement. Sixteen beagles underwent Z-stent placement in the IVC and the aorta. For 8 of 16 beagles, irradiation (15 Gy) was delivered endoluminally to the stented segments of each vessel immediately after stent placement using the {sup 192}Ir. All animals were sacrificed after 6 weeks for morphometric and histopathologic examination. Morphometrically, neointimal thickness in the IVC of the radiation group was significantly decreased compared with the control group as well as that in the aorta (p<0.05). Histopathologic findings showed the neointima in the IVC of the control group contained markedly organization of thrombus and neovascularization though that in the IVC of the radiation group consisted mainly of smooth muscle cells without organization of thrombus and neovascularization. From these data intravenous irradiation may prevent clinical restenosis after stent placement. (author)

  8. CT of anomalies of the inferior vena cava and left renal vein

    International Nuclear Information System (INIS)

    Incidence of anomalies of the inferior vena cava (IVC) and left renal vein (LRV) was examined with post-contrast abdominal CT studies in the last five years and seven months retrospectively. Of the total 1100 cases, right retrocaval ureter was noted in two cases (0.2 %), left IVC was two (0.2 %) and bilateral IVC was twelve (1.1 %) about anomalies of the IVC. As to anomalies of the LRV, retroaortic LRV was four (0.4 %) and circumaortic LRV was six (0.5 %). These results did not always agree with those of previous reports on dissection cases. Particularly, incidence of anomalies of the LRV on CT was much lower than that on dissection. We speculated that racial difference was one of its causes. Clinical usefulness of CT for evaluation of anomalies of the IVC and LRV was stressed. (author)

  9. Acute wiiitis representing as thrombosis of the inferior vena cava and left pelvic veins.

    Science.gov (United States)

    Brodmann, M; Gary, T; Hafner, F; Eller, P; Deutschmann, H; Pilger, E; Seinost, G

    2015-08-01

    Deep venous thrombosis as a result of venous wall injury provoked by trauma is a common finding. It often occurs in patients with sportive overstraining, caused by over fatigue of the body structures. In 2007, the entity of "acute wiiitis" was first described in a letter to the New England Journal of Medicine. Acute wiiitis sums up all affections, mainly skeletal and muscle affections, provoked by playing Nintendo Wii, a very common and loved video-game system. Deep venous thrombosis as a consequence of Nintendo Wii has not been described so far. We present a patient with a massive free floating thrombus of the left pelvic veins originating from the gluteal veins and reaching into the inferior vena cava after playing Nintendo Wii. PMID:24681523

  10. Liver transplantation with preservation of the inferior vena cava in case of symptomatic adult polycystic disease.

    Science.gov (United States)

    Lerut, Jan; Ciccarelli, Olga; Rutgers, Matthieu; Orlando, Giuseppe; Mathijs, Jules; Danse, Etienne; Goffin, Eric; Gigot, Jean-François; Goffette, Pierre

    2005-05-01

    Adult polycystic liver disease (APLD) is a rare disorder of the liver parenchyma, the treatment of which is still controversial. Conservative surgery may have a significant morbidity and is often ineffective in the long run. Liver replacement may be indicated in case of incapacitating hepatomegaly. Patients (one male, five females) undergoing liver transplantation for symptomatic APLD is presented in this study. The particular nature of this series is the fact that successful transplantation was performed in all cases with preservation of the recipient's inferior vena cava and without use of veno-venous bypass despite massive hepatomegaly and previous extensive liver surgery (in three cases). There was minimal morbidity and no mortality. All patients have excellent quality of life with a median follow-up of 41 months (range: 12-58) as testified by a median Karnofsky score of 90% (range: 80-100%). PMID:15819798

  11. Extensive Thrombosis of the Inferior Vena Cava and Left Renal Vein in a Neonate.

    Science.gov (United States)

    Kdous, Moez; Khlifi, Oussema; Brahem, Marwene; Khrouf, Mohamed; Amari, Sarah; Ferchiou, Monia; Zhioua, Fethi

    2015-01-01

    Antenatal renal vein thrombosis is a rarely described diagnostic finding, with variable consequences on kidney function. We present the case of an affected fetus, born at 35-week gestation, with intrauterine oligohydramnios and two small kidneys. A renal ultrasound carried out after birth confirmed the presence of prenatal abnormalities. Renal vein thrombosis was not diagnosed at the time. The baby died 20 days later of kidney failure, metabolic acidosis, and polypnea with severe hypotrophy. Autopsy revealed atrophied kidneys and adrenal glands. The vena cava had thrombosis occupying most of its length. The right renal vein was normal, while the left renal vein was threadlike and not permeable. Histologically, there was necrosis of the left adrenal gland with asymmetrical bilateral renal impairment and signs of ischemic and hemorrhagic lesions. A review of thrombophilia was carried out and a heterozygous mutation in Factor V was found in both the mother and the child.

  12. Incidental Finding of Inferior Vena Cava Atresia Presenting with Deep Venous Thrombosis following Physical Exertion

    Directory of Open Access Journals (Sweden)

    Shalini Koppisetty

    2015-01-01

    Full Text Available Inferior vena cava atresia (IVCA is a rare but well described vascular anomaly. It is a rare risk factor for deep venous thrombosis (DVT, found in approximately 5% of cases of unprovoked lower extremity (LE DVT in patients <30 years of age. Affected population is in the early thirties, predominantly male, often with a history of major physical exertion and presents with extensive or bilateral DVTs. Patients with IVC anomalies usually develop compensatory circulation through the collateral veins with enlarged azygous/hemizygous veins. Despite the compensatory circulation, the venous drainage of the lower limbs is often insufficient leading to venous stasis and thrombosis. We describe a case of extensive and bilateral deep venous thrombosis following physical exertion in a thirty-six-year-old male patient with incidental finding of IVCA on imaging.

  13. Acute wiiitis representing as thrombosis of the inferior vena cava and left pelvic veins.

    Science.gov (United States)

    Brodmann, M; Gary, T; Hafner, F; Eller, P; Deutschmann, H; Pilger, E; Seinost, G

    2015-08-01

    Deep venous thrombosis as a result of venous wall injury provoked by trauma is a common finding. It often occurs in patients with sportive overstraining, caused by over fatigue of the body structures. In 2007, the entity of "acute wiiitis" was first described in a letter to the New England Journal of Medicine. Acute wiiitis sums up all affections, mainly skeletal and muscle affections, provoked by playing Nintendo Wii, a very common and loved video-game system. Deep venous thrombosis as a consequence of Nintendo Wii has not been described so far. We present a patient with a massive free floating thrombus of the left pelvic veins originating from the gluteal veins and reaching into the inferior vena cava after playing Nintendo Wii.

  14. Congenital absence of inferior vena cava and thrombosis: a case report

    Directory of Open Access Journals (Sweden)

    Iqbal Javaid

    2008-02-01

    Full Text Available Abstract Introduction A congenitally absent Inferior Vena Cava (IVC is a rare anomaly that is recognised to be associated with idiopathic Deep Venous Thrombosis (DVT, particularly in the young. It may not be apparent until later in life. Retrospectively, as discussed in this case, there can be clues indicating the presence of such an anomaly from a young age. However, it is not clear whether early recognition of this condition would affect the prognosis and treatment. Case presentation A 54 year old gentleman was admitted with 3 weeks of abdominal pain and localised swelling over the right flank. Examination revealed palpable 'snake-like' tortuous, tender lumps on the abdominal wall. Past history revealed chronic non-healing venous leg ulcers, and varicose veins necessitating varicose vein ligation at a very young age. The ulcers eventually needed skin grafting. During this, current admission he was investigated and diagnosed with Deep Vein Thrombosis (DVT. CT scan, performed to search for intra-abdominal cancer, revealed absence of the Inferior Vena Cava with extensive thrombosed collaterals of the superficial abdominal and azygous veins and a congenitally atrophic left kidney. Conclusion This is a case of one of the oldest patient described in the literature to be diagnosed with absence of the IVC. It is thought that IVC anomalies are under-diagnosed, and may be commoner than once believed. However there were vital clues in his previous medical history suspicious for an underlying venous anomaly. Idiopathic DVT in a relatively young person with a past history of chronic leg ulceration or varicose veins should be investigated for congenital anomalies of the IVC. This is best achieved by CT scan of the abdomen.

  15. Long-Term Safety and Effectiveness of the “OptEase” Vena Cava Filter

    International Nuclear Information System (INIS)

    Purpose: To assess the long-term safety and effectiveness of the OptEase inferior vena cava (IVC) filter. Materials and Methods: In this Institutional Review Board-approved, retrospective study, we reviewed data of 71 patients who received an OptEase filter at our institution from 2002 to 2007. Thirty-nine (55%) patients had symptoms of venous thromboembolism before filter placement. The indications for filter included contraindication to anticoagulation in 31 (44%) patients, prophylaxis against pulmonary embolism (PE) in 29 (41%) patients, and failure of anticoagulation in 11 (15%) patients. Procedure-related complications, such as symptomatic post-filter PE, deep venous thrombosis (DVT), IVC occlusion, and incidental imaging-evident filter-related complications, were recorded. Safety was assessed by the occurrence of filter-related complications during placement and follow-up. Effectiveness was assessed by the occurrence of post-filter PE. Results: Sixty-five (92%) filters were placed under fluoroscopy, and 6 (8%) were placed using intravascular ultrasound guidance. Seventy (99%) filters were placed successfully. Seven (10%) filters were placed in the suprarenal cava. Retrieval was attempted in 14 (20%) patients, and 12 filters were successfully retrieved. Clinical follow-up was available for 20 ± 21 months. Symptoms of postfilter PE and DVT occurred in 15% (n = 11) and 10% (n = 7) patients, respectively. None of these patients had computed tomography (CT)-proven PE, and only one had ultrasound-proven new DVT. One patient had symptomatic IVC occlusion. Follow-up abdominal CT in 20 patients showed thrombus in the filter in two of them. There were no instances of filter migration, filter tilt, or caval wall penetration. Conclusion: The OptEase filter appears to have an acceptable long-term safety profile. The filter was effective against PE.

  16. Inferior vena cava obstruction and collateral circulation as unusual manifestations of hepatobiliary cystadenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Nikolaos Arkadopoulos; Anneza I Yiallourou; Constantinos Palialexis; Emmanouil Stamatakis

    2013-01-01

    BACKGROUND: Hepatobiliary cystadenocarcinoma represents a rare epithelial malignant tumor derived from the intrahepatic bile duct. METHODS: A 71-year-old woman, who had undergone laparos-copic drainage of a cystic lesion of the right hepatic lobe, was misdiagnosed  as  having  hepatic  echinococcal  disease,  and received intracystic infusion of 95% ethanol four years ago. She was admitted to our hospital for further treatment. RESULTS: Physical  examination  revealed  dilated  superficial veins  across  the  right  abdominal  wall.  After  mapping  the direction of blood flow in these vessels, we assumed that this was a sign of inferior vena cava obstruction. Abdominal ultrasound, computed tomography, magnetic resonance imaging combined with  magnetic  resonance  angiography  showed  a  large  cystic mass in the right upper quadrant and epigastrium, displacing the  adjacent  structures,  adherent  to  the  inferior  vena  cava, which  was  not  patent,  resulting  in  dilation  of  superficial epigastric  veins.  The  patient  underwent  an  exploratory laparotomy.  Total  excision  of  the  huge  mass  measuring  16× 15  cm  was  possible  under  selective  vascular  exclusion  of  the liver. Removal of the tumor resulted in immediate restoration of flow in the inferior vena cava. On the basis of the pathology and findings of immunohistochemical analysis, a hepatobiliary cystadenocarcinoma was diagnosed. CONCLUSIONS: In the present case, hepatobiliary cystadenocar-cinoma was accompanied by dilated superficial venous collaterals due to inferior vena

  17. The letter height superiority illusion.

    Science.gov (United States)

    New, Boris; Doré-Mazars, Karine; Cavézian, Céline; Pallier, Christophe; Barra, Julien

    2016-02-01

    Letters are identified better when they are embedded within words rather than within pseudowords, a phenomenon known as the word superiority effect (Reicher in Journal of Experimental Psychology, 81, 275-280, 1969). This effect is, inter alia, accounted for by the interactive-activation model (McClelland & Rumelhart in Psychological Review, 88, 375-407, 1981) through feedback from word to letter nodes. In this study, we investigated whether overactivation of features could lead to perceptual bias, wherein letters would be perceived as being taller than pseudoletters, or words would be perceived as being taller than pseudowords. In two experiments, we investigated the effects of letter and lexical status on the perception of size. Participants who had to compare the heights of letters and pseudoletters, or of words and pseudowords, indeed perceived the former stimuli as being taller than the latter. Possible alternative interpretations of this height superiority effect for letters and words are discussed. PMID:26370216

  18. Writing superiority in cued recall

    Directory of Open Access Journals (Sweden)

    Carina eFueller

    2013-10-01

    Full Text Available In list learning paradigms with free recall, written recall has been found to be less susceptible to intrusions of related concepts than spoken recall when the list items had been visually presented. This effect has been ascribed to the use of stored orthographic representations from the study phase during written recall (Kellogg, 2001. In other memory retrieval paradigms, either better recall for modality-congruent items or an input-independent writing superiority effect have been found (Grabowski, 2005. In a series of four experiments using a paired associate (PA learning paradigm we tested (a whether output modality effects on verbal recall can be replicated in a paradigm that does not involve the rejection of semantically related intrusion words, (b whether a possible superiority for written recall was due to a slower response onset for writing as compared to speaking in immediate recall, and (c whether the performance in PA word recall was correlated with performance in an additional episodic memory task. We found better written recall in the first half of the recall phase, irrespective of the modality in which the material was presented upon encoding. An explanation based on longer response latencies for writing and hence more time for retrieval could be ruled out by showing that the effect persisted in delayed response versions of the task. Although there was some evidence that stored additional episodic information may contribute to the successful retrieval of associate words, this evidence was only found in the immediate response experiments and hence is most likely independent from the observed output modality effect. In sum, our results from a PA learning paradigm suggest that superior performance for written versus spoken recall cannot be (solely explained in terms of additional access to stored orthographic representations from the encoding phase. Our findings rather suggest a general writing-superiority effect at the time of memory

  19. Writing superiority in cued recall.

    Science.gov (United States)

    Fueller, Carina; Loescher, Jens; Indefrey, Peter

    2013-01-01

    In list learning paradigms with free recall, written recall has been found to be less susceptible to intrusions of related concepts than spoken recall when the list items had been visually presented. This effect has been ascribed to the use of stored orthographic representations from the study phase during written recall (Kellogg, 2001). In other memory retrieval paradigms, by contrast, either better recall for modality-congruent items or an input-independent writing superiority effect have been found (Grabowski, 2005). In a series of four experiments using a paired associate learning paradigm we tested (a) whether output modality effects on verbal recall can be replicated in a paradigm that does not involve the rejection of semantically related intrusion words, (b) whether a possible superior performance for written recall was due to a slower response onset for writing as compared to speaking in immediate recall, and (c) whether the performance in paired associate word recall was correlated with performance in an additional episodic memory recall task. We observed better written recall in the first half of the recall phase, irrespective of the modality in which the material was presented upon encoding. An explanation for this effect based on longer response latencies for writing and hence more time for memory retrieval could be ruled out by showing that the effect persisted in delayed response versions of the task. Although there was some evidence that stored additional episodic information may contribute to the successful retrieval of associate words, this evidence was only found in the immediate response experiments and hence is most likely independent from the observed output modality effect. In sum, our results from a paired associate learning paradigm suggest that superior performance for written vs. spoken recall cannot be (solely) explained in terms of additional access to stored orthographic representations from the encoding phase. Our findings rather

  20. Writing superiority in cued recall

    OpenAIRE

    Carina eFueller; Jens eLoescher; Peter eIndefrey

    2013-01-01

    In list learning paradigms with free recall, written recall has been found to be less susceptible to intrusions of related concepts than spoken recall when the list items had been visually presented. This effect has been ascribed to the use of stored orthographic representations from the study phase during written recall (Kellogg, 2001). In other memory retrieval paradigms, by contrast, either better recall for modality-congruent items or an input-independent writing superiority effect have b...

  1. Adrenocortical carcinoma with extension to the inferior vena cava and right atrium: 20-month-old girl with TP53 mutation

    Directory of Open Access Journals (Sweden)

    Terry L. Levin, MD

    2015-01-01

    Full Text Available A 20-month-old female presented with respiratory distress and a right adrenal mass extending into the inferior vena cava and right atrium. The mass was initially thought to be neuroblastoma. Pathology later revealed adrenocortical carcinoma. Inferior vena cava extension is far more common in adrenocortical carcinoma than neuroblastoma, and its presence should prompt clinical and laboratory evaluation for an adrenocortical tumor. The genetic findings in TP53 associated with this disease are discussed.

  2. You see what you know … gas bubbles in the inferior vena cava, an unusual presentation of necrotizing soft tissue infection.

    Science.gov (United States)

    Winter, Thomas C; Rudolf, Lou; Sommers, Daniel N

    2015-06-01

    Gas detected within the systemic circulation as an unexpected finding is a very rare phenomenon. A case of multiple bubbles within the inferior vena cava detected incidentally during a sonogram requested to assess for portal vein thrombosis is presented. These were eventually determined to be sequelae of a fatal, clinically silent necrotizing soft tissue infection. The differential diagnosis for gas within the inferior vena cava is reviewed, and teaching points that may help future patients are presented.

  3. Superior sulcus tumors (Pancoast tumors).

    Science.gov (United States)

    Marulli, Giuseppe; Battistella, Lucia; Mammana, Marco; Calabrese, Francesca; Rea, Federico

    2016-06-01

    Superior Sulcus Tumors, frequently termed as Pancoast tumors, are a wide range of tumors invading the apical chest wall. Due to its localization in the apex of the lung, with the potential invasion of the lower part of the brachial plexus, first ribs, vertebrae, subclavian vessels or stellate ganglion, the superior sulcus tumors cause characteristic symptoms, like arm or shoulder pain or Horner's syndrome. The management of superior sulcus tumors has dramatically evolved over the past 50 years. Originally deemed universally fatal, in 1956, Shaw and Paulson introduced a new treatment paradigm with combined radiotherapy and surgery ensuring 5-year survival of approximately 30%. During the 1990s, following the need to improve systemic as well as local control, a trimodality approach including induction concurrent chemoradiotherapy followed by surgical resection was introduced, reaching 5-year survival rates up to 44% and becoming the standard of care. Many efforts have been persecuted, also, to obtain higher complete resection rates using appropriate surgical approaches and involving multidisciplinary team including spine surgeon or vascular surgeon. Other potential treatment options are under consideration like prophylactic cranial irradiation or the addition of other chemotherapy agents or biologic agents to the trimodality approach.

  4. Fibrosing mediastinitis with superior vena cava obstruction as the initial presentation of Langerhans' cell histiocytosis in a young child

    Energy Technology Data Exchange (ETDEWEB)

    Trusen, Andreas; Beissert, Matthias; Darge, Kassa [Department of Paediatric Radiology, Institute of Radiodiagnostics, University of Wuerzburg, Josef-Schneider-Strasse 2, 97080 Wuerzburg (Germany); Hebestreit, Helge [University Children' s Hospital, University of Wuerzburg, Wuerzburg (Germany); Marx, Alexander [Institute of Pathology, University of Wuerzburg, Wuerzburg (Germany)

    2003-07-01

    We present a 2-year-old girl with an unusual presentation of Langerhans' cell histiocytosis (LCH). Five months prior to admission to our hospital, she received IV steroids for bronchial obstruction. On admission, clinical signs of SVC obstruction were evident and a mediastinal mass was evident on the chest radiograph and MRI. Biopsy revealed fibrosing mediastinitis. Five months later, osteolysis was present on a skull radiograph. Surgical biopsy of the skull lesion revealed LCH. This case is unique because it demonstrates a rare initial manifestation of LCH that has not been previously reported. Furthermore, the primary, solitary mediastinal manifestation without calcifications was histologically interpreted as fibrosing mediastinitis, and the final diagnosis of LCH was only made after identifying the skull lesion. (orig.)

  5. Modified Senning Procedure for Correction of Atrioventricular Discordance With Total Anomalous Pulmonary Venous Return, Atrial Situs Inversus, Dextrocardia, and Bilateral Superior Venae Cavae.

    Science.gov (United States)

    Sebastian, Vinod A; Guleserian, Kristine J; Juraszek, Amy; Kane, Colin; Hamzeh, Rabih; Forbess, Joseph M

    2015-10-01

    The Senning and Mustard baffles remain important techniques for the treatment of congenitally corrected transposition (cc-TGA), isolated ventricular inversion, and D-transposition of the great arteries with delayed presentation. We describe the treatment of an 8-month old infant with atrioventricular discordance, ventriculoarterial concordance, and dextrocardia with atrial situs inversus. A modified Senning procedure was performed through the "left-sided" atrium. Modifications of the Senning and Mustard baffles remain important tools in the treatment of rare conditions like isolated ventricular inversion.

  6. The Role of Nasopharyngeal Temperature Monitoring in Detection of a Malpositioned Superior Vena Cava Cannula in an Emergency Coronary Artery Bypass in a Patient With Ventricular Septal Defect

    OpenAIRE

    Dabbagh, A; M Shahzamani; M Foroughi; K Ghods; M Ghomeisi; Rahimian, H.

    2010-01-01

    A 55 year-old woman was admitted to the CCU ward of our university hospital due to typical chest pain. The patient received supportive care and was transferred to the operating room for an emergency repair of the ventricular septal defect (VSD) and myocardial revascularization. The surgical team was notified regarding the tolerance to cooling detected by the temperature monitoring and also, the congestion of eye and blanching of forehead. After a few maneuvers, the cannula was repositioned. I...

  7. Efecto de la elastancia arterial efectiva sobre la función sistólica ventricular izquierda en la estenosis aórtica grave

    Directory of Open Access Journals (Sweden)

    Ricardo A. Migliore

    2006-01-01

    Full Text Available AntecedentesLa disfunción ventricular izquierda en la estenosis aórtica (EAo está relacionada con el exceso de poscarga. El aumento de la poscarga puede deberse a la reducción del área valvular aórtica (AVA, a cambios en la geometría ventricular y a las características de la vasculatura arterial. La elastancia arterial efectiva (Ea es un índice de carga vascular que incorpora la impedancia característica, la resistencia y la distensibilidad arterial.ObjetivoEvaluar el efecto de la Ea sobre la función sistólica del ventrículo izquierdo en la EAo grave.Material y métodosSe estudiaron prospectivamente 54 pacientes con EAo grave evaluados mediante los gradientes transvalvulares, el AVA, la resistencia valvular y el índice de pérdida de energía. La Ea se calculó mediante el cociente entre la presión de fin de sístole y el volumen sistólico. La presión de fin de sístole se obtuvo a partir del pulso carotídeo calibrado con la presión arterial medida con esfigmomanómetro. Como medida de la poscarga global, se calculó la impedancia valvuloaórtica (Zva, definida por: (presión sistólica + gradiente medio neto / índice de volumen sistólico. La Zva tiene en cuenta el efecto de la EAo y la Ea. Los pacientes se dividieron en tres grupos: G1, EAo con insuficiencia cardíaca (NYHA III-IV (n = 13, G2, EAo sintomática pero sin insuficiencia cardíaca (n = 13 y G3, EAo asintomática (n = 28. ResultadosLa fracción de eyección (Fey (% fue menor en el G1 (33 ± 15 en comparación con el G2 (42 ± 16 y el G3 (65 ± 14; p < 0,01. La Ea (mm Hg/ml fue mayor en el G1 (2,46 ± 0,8 con respecto al G2 y el G3 (1,83 ± 0,52 y 1,73 ± 0,47; p < 0,01, al igual que la Zva (mm Hg/ml/ m2: G1 (6,5 ± 2,2, G2 y G3 (4,8 ± 1,0 y 4,7 ± 1,5; p < 0,01. En el análisis univariado, la Zva se correlacionó con la Ea (r = 0,88; p < 0,0001 y la Fey (r = -0,41; p < 0,01. En el análisis multivariado, la Ea y la Zva fueron predictores independientes de la

  8. DISFUNCIÓN VENTRICULAR IZQUIERDA EN PACIENTES CON INFECCIÓN POR VIRUS DE INMUNODEFICIENCIA HUMANA / Left ventricular dysfunction in patients with human immunodeficiency virus infection

    Directory of Open Access Journals (Sweden)

    Angélica M. Reyes Pérez

    2013-04-01

    Full Text Available Resumen: La infección por el virus de inmunodeficiencia humana es una de las principales causas de cardiopatía adquirida, especialmente de disfunción ventricular izquierda sintomática. Se realizó una revisión bibliográfica para profundizar en los diversos elementos clínicos, fisiopatológicos y diagnósticos que caracterizan a estos pacientes. La patogénesis de la disfunción del ventrículo izquierdo se relaciona con diversos agentes causales como: la infección miocárdica por el propio virus, las infecciones oportunistas o por otros virus, mecanismos autoinmunes, deficiencias nutricionales, sobreexpresión de citocinas y toxicidad inducida por fármacos. La disfunción sistólica sintomática es una manifestación tardía de afectación cardíaca mientras que una proporción importante de pacientes presentan alteraciones clínicamente silentes. La disfunción diastólica cursa con una alteración precoz de la relajación miocárdica y de la dinámica de llenado del ventrículo izquierdo. La ecocardiografía es útil para el diagnóstico. El tratamiento antirretroviral actual incrementa la supervivencia de pacientes con infección por el virus de inmunodeficiencia humana, lo cual presumiblemente producirá un aumento en la prevalencia de complicaciones cardíacas. Se requiere de nuevos estudios prospectivos observacionales que determinen la susceptibilidad de desarrollar enfermedad cardíaca sintomática en los pacientes infectados por este virus. / Abstract: Infection with the human immunodeficiency virus is a major cause of acquired heart disease, especially symptomatic left ventricular dysfunction. A literature review was conducted to deepen the understanding of the various clinical, pathophysiological and diagnostic aspects that characterize these patients. The pathogenesis of left ventricular dysfunction is related to various causative agents such as: myocardial infection by the virus itself, opportunistic infections or by other

  9. Deep venous thrombosis caused by congenital inferior vena cava agenesis and heterozygous factor V Leiden mutation – a case report

    Science.gov (United States)

    Vasco, Pablo Guisado; López, Angel Ruedas; Piñeiro, María Laiño; Rivera, José Ignacio Gallego

    2009-01-01

    The unusual clinical presentation, importance of imaging techniques and role of low molecular weight heparin are described for an initial treatment of thrombosis in inferior vena cava agenesis associated with heterozygous factor V Leiden. The patient, a 36-year-old woman, presented to the emergency room with sudden onset of back pain, swelling of the legs and thighs, and claudication while walking. Abdominal ultrasonography was immediately ordered. Anomalies in vascular blood flow were detected. Computed tomography was performed, and initially showed a complete absence of the infrarenal segment of inferior vena cava caudally to the origin of both renal veins. Treatment with enoxaparin (1 mg/kg twice per day) was started. The patient was discharged and returned to her activities of daily living two weeks after admission. This vascular abnormality is mostly incidentally diagnosed in adults and only a few cases are described as being associated with thrombophilia. PMID:22477517

  10. [Anomalies of the subrenal inferior vena cava in the surgery of non-specific and inflammatory abdominal aortic aneurysms].

    Science.gov (United States)

    Gargiulo, M; Stella, A; Caputo, M; Brusori, S; Pedrini, L; Tarantini, S; Curti, T

    1993-01-01

    The sub-renal abnormalities of the lower vena cava (LVC) (left LVC, double LVC) are determined by a deterioration of the alteration process of supra-cardinal veins. Though they are rare, it is necessary to look for them during surgery of abdominal aorta in order to lower the risk of iatrogenic venous injuries. You will find below the description of six cases of sub-renal lower vena cava abnormality (3 double LVC, 3 left LVC) associated with an abdominal aorta aneurism (4 non specific aneurisms, 2 inflammations ones) as well as the diagnostic aspects and the technical issues they cause during the reconstruction of a non specific and inflammation aneurism of the abdominal aorta. PMID:8248315

  11. Posterior Nutcracker Syndrome Associated with Interrupted Left Inferior Vena Cava with Azygos Continuation and Retroaortic Right Renal Vein

    International Nuclear Information System (INIS)

    Various anatomic anomalies have been considered the causes of nutcracker syndrome (NCS). Posterior NCS refers to the condition, in which vascular narrowing was secondary to the compression of the retroaortic left renal vein while it is crossing between the aorta and the vertebral column. Here, we report an unusual case of posterior NCS associated with a complicated malformation of the interrupted left inferior vena cava with azygos continuation and retroaortic right renal vein, diagnosed by both color Doppler ultrasonography and CT angiography.

  12. Ressonância magnética cardiovascular em veia cava inferior interrompida não prevista

    Directory of Open Access Journals (Sweden)

    Andre Mauricio Fernandes

    2012-02-01

    Full Text Available A Veia Cava Inferior (VCI interrompida é uma anomalia rara. As anomalias da VCI são clinicamente importantes para os cardiologistas e radiologistas que pretendem intervir na cavidade cardíaca direita. Descrevemos três casos de interrupção da VCI diagnosticados por meio de estudo imaginológico de ressonância magnética cardíaca.

  13. Fractured inferior vena cava filter strut presenting as a penetrating foreign body in the right ventricle: report of a case.

    Science.gov (United States)

    Kumar, S Prathap; Mahtabifard, Ali; Young, J Nilas

    2008-01-01

    Migration of a fractured strut of an inferior vena cava (IVC) filter to the heart is a rare complication. We report the case of a 40-year-old woman who had this complication eight months after infrarenal IVC filter placement. She presented with chest pain. The broken arm of the IVC filter had migrated to the heart and penetrated the free wall of the right ventricle. It was removed successfully by cardiac surgery without the aid of cardiopulmonary bypass.

  14. The Arthroscopic Superior Capsular Reconstruction.

    Science.gov (United States)

    Adams, Christopher R; Denard, Patrick J; Brady, Paul C; Hartzler, Robert U; Burkhart, Stephen S

    2016-01-01

    In a subset of patients with rotator cuff tears, the glenohumeral joint has minimal degenerative changes and the rotator cuff tendon is either irreparable or very poor quality and unlikely to heal. Reverse shoulder arthroplasty (RSA) is often considered for these patients despite the lack of glenohumeral arthritis. However, due to the permanent destruction of the glenohumeral articular surfaces, complication rates, and concerns about implant longevity with RSA, we believe the superior capsular reconstruction (SCR) is a viable alternative. In this article, we describe our technique for the SCR. PMID:27552457

  15. O cyberbullying no ensino superior

    OpenAIRE

    Tavares, Telma Filipa Félix

    2014-01-01

    O cyberbullying pode ser caracterizado por um comportamento agressivo e intencional. Aproximadamente 20 a 40% dos jovens afirmam serem vítimas de cyberbullying (Patchin & Hinduja, 2006) e cerca de 11% a 17% afirmam ter molestado alguém. O presente estudo pretende caracterizar o cyberbullying numa amostra da população universitária. Foi utilizado o Questionário de Cyberbullying no Ensino Superior (QCES) que apresenta 4 Subescalas que avaliam Vítimas, Agressores, Observadores de Agressores e Ob...

  16. Polyphenol-Rich Fraction of Ecklonia cava Improves Nonalcoholic Fatty Liver Disease in High Fat Diet-Fed Mice

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    Eun-Young Park

    2015-11-01

    Full Text Available Ecklonia cava (E. cava; CA is an edible brown alga with beneficial effects in diabetes via regulation of various metabolic processes such as lipogenesis, lipolysis, inflammation, and the antioxidant defense system in liver and adipose tissue. We investigated the effect of the polyphenol-rich fraction of E. cava produced from Gijang (G-CA on nonalcoholic fatty liver disease (NAFLD in high-fat diet (HFD-fed mice. C57BL6 mice were fed a HFD for six weeks and then the HFD group was administered 300 mg/kg of G-CA extracts by oral intubation for 10 weeks. Body weight, fat mass, and serum biochemical parameters were reduced by G-CA extract treatment. MRI/MRS analysis showed that liver fat and liver volume in HFD-induced obese mice were reduced by G-CA extract treatment. Further, we analyzed hepatic gene expression related to inflammation and lipid metabolism. The mRNA expression levels of inflammatory cytokines and hepatic lipogenesis-related genes were decreased in G-CA-treated HFD mice. The mRNA expression levels of cholesterol 7 alpha-hydroxylase 1 (CYP7A1, the key enzyme in bile acid synthesis, were dramatically increased by G-CA treatment in HFD mice. We suggest that G-CA treatment ameliorated hepatic steatosis by inhibiting inflammation and improving lipid metabolism.

  17. Experimental evaluation of a new retrievable inferior vena cava filter for protection from acute pulmonary embolism in canine

    International Nuclear Information System (INIS)

    Objective: To evaluate the validity, safety and feasibility of a new retrieval inferior vena cava filter for the prevention of pulmonary embolism in an animal model. Methods: The model of deep iliofemoral venous thrombosis was established in 12 experimental dogs. In control group(6 experimental dogs), the deep venous thrombosis was made to fall off directly. In experimental group (6 experimental dogs), the deep venous thrombosis was made to fall off with an implanted filter in inferior vena cava. The filter's thrombus-trapping efficacy was evaluated by angiography of pulmonary artery, measurement of the mean pressure of pulmonary artery and arterial oxygen saturation before and after the deep venous thrombus falling off. Results: All filters implanted in the experimental dogs could successfully capture clot coming from deep venous thrombosis. There was no case of pulmonary embolism in experimental groups. On the other hand, pulmonary embolism occurred following the fall of deep venous thrombus in all dogs of control group. Conclusion: The retrievable inferior vena cava filter can effectively prevent from the pulmonary embolism due to falling off of the emboli from deep venous thrombosis. The process of implantation and retrieval is relatively simple and easy. (authors)

  18. Análisis ecocardiográfico de la geometría ventricular izquierda en ratas espontáneamente hipertensas Echocardiographic study of left ventricular geometry the in spontaneously hypertensive rats

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    Eduardo M. Escudero

    2009-06-01

    Full Text Available El presente trabajo fue diseñado para analizar ecocardiográficamente la geometría del ventrículo izquierdo en ratas espontáneamente hipertensas (SHR. Se estudiaron 114 ratas macho de 4 meses de edad, 73 SHR y 41 Wistar (W a las que se les registró la presión arterial, la frecuencia cardíaca y se les realizó un ecocardiograma. Con las mediciones de diámetros y espesores de la pared ventricular izquierda se calcularon el espesor parietal relativo (h/r, el índice de masa del ventrículo izquierdo (IMVI, el volumen minuto, y el acortamiento medio ventricular. La geometría ventricular izquierda normal fue definida analizando el grupo de ratas normotensas y fijando los límites de IMVI y h/r a partir de la media más 2 desvíos estándar. Los patrones de geometría anormal se definieron como: remodelado concéntrico (RC: IMVI 0.71; hipertrofia excéntrica (HE: IMVI>2.06 mg/g - h/r 2.06 mg/g - h/r > 0.71. La presión arterial sistólica y el volumen minuto se utilizaron para estimar la resistencia periférica total (RPT. Doce por ciento de SHR presentaron geometría ventricular izquierda normal; 18% RC; 33% HC y 37% HE. El RC mostró el volumen latido más pequeño y la RPT más alta de cualquier grupo. HE presentó presión arterial sistólica similar a la de los otros grupos de SHR, volumen latido más alto y la RPT más baja. Estos hallazgos en SHR exhibiendo diferentes patrones de geometría ventricular izquierda, similares a los referidos en humanos, intensifican las similitudes entre la hipertensión esencial humana y las SHR.The purpose of this study was to analyze by echocardiogram left ventricular (LV geometry in spontaneously hypertensive rats (SHR. Echocardiographic study, systolic blood pressure and heart rate were obtained in 114 male, 4-month old rats, 73 SHR and 41 Wistar (W. Left ventricular mass index (LVMI, relative wall thickness (RWT, stroke volume, and mid ventricular shortening were calculated with echocardiographic

  19. Klaus Meschkat y José María Rojas, compiladores. Liquidando el pasado. La izquierda colombiana en los archivos de la Unión Soviética

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    Mauricio Archila Neira

    2010-10-01

    Full Text Available El voluminoso libro que compilan Klaus Meschkat y José María Rojas cubre más de 170 documentos sobre las relaciones de la izquierda colombiana con la Internacional Comunista entre 1927 y 1933, seleccionados de los archivos de la ex Unión Soviética (y unos pocos del archivo del, por ese entonces, ministro Ignacio Rengifo. Las primeras 80 páginas corresponden a dos introducciones de los compiladores en las que presentan el contexto del texto y algunos rasgos del liderazgo revolucionario de esos años. Por tanto, el grueso del libro, casi 750 páginas, corresponde a los mencionados documentos organizados en once capítulos.

  20. On determining the characteristics of a Greenfield Inferior Vena Cava Filter using CFD

    Science.gov (United States)

    Swaminathan, Tirumani; Hu, Howard; Patel, Aalpen

    2004-11-01

    In those patients with deep venous thrombosis (DVT) or those at a high risk for DVT, and who have contraindications to or are unresponsive to anticoagulation therapy, vena cava filters are often used to prevent recurrent pulmonary emboli. Ideally, the filter should be efficacious while being non-thrombogenic and non-impeding to the blood flow. In reality, the filter has to establish a balance between clot capture efficiency and flow impedance before and after clot capture. The development and use of numerical tools to study the characteristics of filters and its application to the case of a Greenfield filter has been presented here. A detailed model resolving the flow field around the filter to a fine detail is described. The thrombogenecity of the filter in un-occluded flows is determined by analyzing plots of shear stresses and velocity fields. To evaluate a filter's clot capturing efficacy, a Thin Wire Model (TWM) has been developed and used in conjunction with a moving finite element scheme to study the probability of clot capturing for the Greenfield filter.

  1. Computational Simulations of Inferior Vena Cava (IVC) Filter Placement and Hemodynamics in Patient-Specific Geometries

    Science.gov (United States)

    Aycock, Kenneth; Sastry, Shankar; Kim, Jibum; Shontz, Suzanne; Campbell, Robert; Manning, Keefe; Lynch, Frank; Craven, Brent

    2013-11-01

    A computational methodology for simulating inferior vena cava (IVC) filter placement and IVC hemodynamics was developed and tested on two patient-specific IVC geometries: a left-sided IVC, and an IVC with a retroaortic left renal vein. Virtual IVC filter placement was performed with finite element analysis (FEA) using non-linear material models and contact modeling, yielding maximum vein displacements of approximately 10% of the IVC diameters. Blood flow was then simulated using computational fluid dynamics (CFD) with four cases for each patient IVC: 1) an IVC only, 2) an IVC with a placed filter, 3) an IVC with a placed filter and a model embolus, all at resting flow conditions, and 4) an IVC with a placed filter and a model embolus at exercise flow conditions. Significant hemodynamic differences were observed between the two patient IVCs, with the development of a right-sided jet (all cases) and a larger stagnation region (cases 3-4) in the left-sided IVC. These results support further investigation of the effects of IVC filter placement on a patient-specific basis.

  2. Dynamic Limb Bioimpedance and Inferior Vena Cava Ultrasound in Patients Undergoing Hemodialysis.

    Science.gov (United States)

    Tiba, Mohamad H; Belmont, Barry; Heung, Michael; Theyyunni, Nik; Huang, Robert D; Fung, Christopher M; Pennington, Amanda J; Cummings, Brandon C; Draucker, Gerard T; Shih, Albert J; Ward, Kevin R

    2016-01-01

    Assessment of volume status in critically ill patients poses a challenge to clinicians. Measuring changes in the inferior vena cava (IVC) diameter using ultrasound is becoming a standard tool to assess volume status. Ultrasound requires physicians with significant training and specialized expensive equipment. It would be of significant value to be able to obtain this measurement continuously without physician presence. We hypothesize that dynamic changes in limb's bioimpedance in response to respiration could be used to predict changes in IVC. Forty-six subjects were tested a hemodialysis session. Impedance was measured via electrodes placed on the arm. Simultaneously, the IVC diameter was assessed by ultrasound. Subjects were asked to breathe spontaneously and perform respiratory maneuvers using a respiratory training device. Impedance (dz) was determined and compared with change in IVC diameter (dIVC; r = 0.76, p < 0.0001). There was significant relationship between dz and dIVC (p< 0.0001). Receiver-operator curves for dz at thresholds of dIVC (20% to70%) demonstrated high predictive power with areas under the curves (0.87-0.99, p < 0.0001). This evaluation suggests that real-time dynamic changes in limb impedance are capable of tracking a wide range of dynamic dIVC. This technique might be a suitable surrogate for monitoring real-time changes in dIVC to assess intravascular volume status. PMID:26919184

  3. Congenital agenesis of inferior vena cava: a rare cause of unprovoked deep venous thrombosis.

    Science.gov (United States)

    Parsa, Pouria; Lane, John S; Barleben, Andrew R; Owens, Erik L; Bandyk, Dennis

    2015-07-01

    Congenital anomalies of the inferior vena cava (IVC), although rare, are a risk factor for lower limb deep venous thrombosis (DVT). A 19-year-old male presented with a left flank and groin pain caused by iliofemoral venous thrombosis. Vascular imaging by computed tomography (CT) scanning and venography demonstrated agenesis of the IVC. Catheter-directed thrombolysis via a popliteal vein was attempted but did not alter the patency of the common femoral vein outflow collaterals into the retroperitoneal azygous venous system. The patient was anticoagulated using systemic heparin infusion and clinical symptoms resolved within 5 days. He was transitioned to oral Coumadin anticoagulation, and follow-up venous duplex testing demonstrated no infrainguinal DVT and phasic venous flow with respiration in the femoral vein indicating patent collateral veins. Anomalies of the IVC are present in 0.3-0.5% of otherwise healthy individuals. Agenesis of the IVC has an incidence of 0.0005-1% in the general population but is found in almost 5% of patients venous collaterals on noncontrast CT imaging. In young adults presenting with unprovoked lower limb DVT, the presence of an IVC anomaly should be considered and evaluated for by venous duplex testing and if necessary CT venography.

  4. superior en México

    Directory of Open Access Journals (Sweden)

    César Mureddu Torres

    2008-01-01

    Full Text Available El presente artículo desarrolla algunos de los retos que ha traído consigo el acceso a la información existente en la red de Internet y lo que ello supone. Se abordan principalmente las consecuencias de la presencia actual de una sociedad llamada del conocimiento, si se mantiene la confusión entre conocimiento e información. Por ello, la sola gestión de la información no puede ser tomada como definitoria respecto a la función de educación superior confiada a las universidades. Hacerlo sería cometer un error aún más grave que la confusión teórica entre los términos mencionados.

  5. Anomalía total del retorno venoso sistémico. Comunicación de un caso. Consideraciones quirúrgicas

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    Omar Lazzarin

    2009-01-01

    Full Text Available RESUMENLa anomalía total del retorno venoso sistémico (ATRVS sin malformaciones acompañanteses un hallazgo excepcional. En esta presentación se describe el caso de una niña de 24 horasde vida, derivada a nuestra institución por presentar cianosis y disnea desde el nacimiento.Por ecocardiografía Doppler color se observó una anomalía parcial del retorno venososistémico: drenaje de la vena cava superior en la aurícula izquierda. El cateterismo cardíacomodificó el diagnóstico al confirmar una anomalía total del retorno venoso sistémico hacia laaurícula izquierda. Se realizó la corrección quirúrgica a los dieciséis meses de vida con excelenteresultado.REV ARGENT CARDIOL 2009;77:405-407.

  6. Implante intencional de filtros de veia cava em ambas as veias ilíacas comuns: relato de caso e revisão da literatura Intentional placement of vena cava filters in both iliac veins: case report and literature review

    Directory of Open Access Journals (Sweden)

    Daniel Queiroz Neves

    2010-12-01

    Full Text Available Os filtros de veia cava são utilizados para impedir a passagem de êmbolos dos membros inferiores para as artérias pulmonares e, normalmente, são colocadas imediatamente abaixo das veias renais. Em alguns casos, no entanto, existem dificuldades técnicas incomuns que devem ser superadas para tratar adequadamente alguns pacientes. Relatamos o caso de uma paciente em cujas veias ilíacas comuns foram implantados filtros de veia cava devido à baixa implantação das veias renais e da veia cava inferior curta.Vena cava filters are used to prevent the passage of emboli from the lower limbs to the pulmonary arteries and normally are placed immediately below the renal veins. In some cases however there are unusual technical difficulties that must be overcome to properly treat some patients. We report a case of a patient in whose common iliac veins vena cava filters were deployed, due to the lower implantation of renal veins and a short inferior vena cava.

  7. Effect of different suprahepatic vena cava reconstruction methods on the hemodynamics of rats after liver transplantation.

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    Hongdong Wang

    Full Text Available BACKGROUND: There are few studies on the hemodynamic changes after orthotopic liver transplantation in rats. In this study, we aimed to evaluate the effect of different suprahepatic vena cava (SHVC reconstruction methods on the hemodynamics of rats after liver transplantation. MATERIALS AND METHODS: Three rat liver transplantation groups were created according to the SHVC reconstruction method: Kamada's two-cuff technique, a modified veno-lined stent technique, and Harihara's three-cuff technique. Ten rats of similar weight were grouped as the control. Anatomical, ultrasonic, and hemodynamic parameters and the microcirculation of the liver were measured after transplantation. The detailed operation time, operative complications, and animal survival were recorded. RESULTS: All the recipients showed portal hypertension one month after transplantation. The portal hypertension in the group with the modified veno-lined stent technique was the most severe. The value measured with real-time elastography was significantly higher in the recipients using the modified veno-lined stent technique than in the other two groups (P<0.01. There was no difference in the graft microcirculation after reperfusion among the three groups. The survival rate of the three groups displayed no difference, but the modified veno-lined stent technique led to more venous complications than the other two techniques. CONCLUSIONS: The hemodynamics after liver transplantation in rats is determined not only by the cuff used for portal vein reconstruction but also by the cuff or stent for the SHVC. Some SHVC reconstruction methods, such as the modified veno-lined stent technique, Miyata's or Settaf's three-cuff techniques, significantly affect the hemodynamics.

  8. Inferior vena cava filters in cancer patients: to filter or not to filter

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    Hikmat Abdel-Razeq

    2011-03-01

    Full Text Available Hikmat Abdel-Razeq1, Asem Mansour2, Yousef Ismael1, Hazem Abdulelah11Department of Internal Medicine, 2Department of Radiology, King Hussein Cancer Center, Amman, JordanPurpose: Cancer and its treatment are recognized risk factors for venous thromboembolism (VTE; active cancer accounts for almost 20% of all newly diagnosed VTE. Inferior vena cava (IVC filters are utilized to provide mechanical thromboprophylaxis to prevent pulmonary embolism (PE or to avoid bleeding from systemic anticoagulation in high-risk situations. In this report, and utilizing a case study, we will address the appropriate utilization of such filters in cancer patients.Methods: The case of a 43-year-old female patient with rectal cancer, who developed deep vein thrombosis following a complicated medical course, will be presented. The patient was anticoagulated with a low molecular weight heparin, but a few months later and following an episode of bleeding, an IVC filter was planned. Using the PubMed database, articles published in English language addressing issues related to IVC filters in cancer patients were accessed and will be presented.Results: Many recent studies questioned the need to insert IVC filters in advanced-stage cancer patients, particularly those whose anticipated survival is short and prevention of PE may be of little clinical benefit and could be a poor utilization of resources.Conclusion: Systemic anticoagulation can be safely offered for the majority of cancer patients. When the risk of bleeding or pulmonary embolism is high, IVC filters can be utilized. However, placement of such filters should take into consideration the stage of disease and life expectancy of such patients.Keywords: anticoagulation, bleeding, chemotherapy

  9. Circulating microRNA profile in patients with membranous obstruction of the inferior vena cava

    Science.gov (United States)

    SUN, GUI-XIANG; SU, YONG; LI, YING; ZHANG, YA-FENG; XU, LI-CHUN; ZU, MAO-HENG; HUANG, SHUI-PING; ZHANG, JIN-PENG; LU, ZHAO-JUN

    2016-01-01

    Membranous obstruction of the inferior vena cava (MOVC) is a common type of Budd-Chiari syndrome. However, the pathogenesis of MOVC has not been fully elucidated. Recent studies demonstrated that microRNAs (miRNAs or miRs) are involved in multiple diseases. To the best of our knowledge, specific changes in the expression of miRNAs in MOVC patients have not been previously assessed. The present study used a microarray analysis, followed by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) validation, with the aim to access the miRNA expression levels in the plasma of 34 MOVC patients, compared with those in healthy controls. The results revealed a total of 16 differentially expressed miRNAs in MOVC patients. Subsequently, RT-qPCR analysis verified the statistically consistent expression of 5 selected miRNAs (miR-125a-5p, miR-133b, miR-423-5p, miR-1228-5p and miR-1266), in line with the results of the microarray analysis. These 5 miRNAs, which were described as crucial regulators in numerous biological processes and vascular diseases, may play an important role in the pathogenesis of MOVC. Bioinformatics analysis of target genes of the differentially expressed miRNAs revealed that these predicted targets were significantly enriched and involved in several key signaling pathways important for MOVC, including the ErbB, Wnt, MAPK and VEGF signaling pathway. In conclusion, miRNAs may involve in multiple signaling pathways contributing to the pathological processes of MOVC. The present study offers an intriguing new perspective on the involvement of miRNAs in MOVC; however, the precise underlying mechanisms require further validation. PMID:26997997

  10. Estrutura, ultraestrutura e morfometria da veia cava de paca (Cuniculus paca Linnaeus, 1766 criada em cativeiro

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    Sérgio Pinter Garcia Filho

    2013-05-01

    Full Text Available A paca (Cuniculus paca é o segundo maior roedor da fauna brasileira. Apresenta carne de excelente qualidade, o que incentiva a criação comercial. Além disso, este animal pode tornar-se uma opção válida em experimentação embora poucas sejam as informações detalhadas sobre sua morfologia. Assim, objetivou-se descrever a morfologia, morfometria e ultraestrutura de segmentos das porções cranial e caudal da veia cava de quatro pacas (Cuniculus paca adultas excedentes do plantel do Setor de Animais Silvestres do Departamento de Zootecnia da FCAV-Unesp. Os segmentos venosos foram analisados à microscopia de luz e à microscopia eletrônica de varredura. Foram mensuradas as espessuras do complexo formado pelas túnicas íntima e média, além da túnica adventícia e analisou-se os resultados pela estatística descritiva, teste "T" pareado (p<0,05. Em relação à espessura das túnicas estudadas, comprovou-se que os valores da espessura das túnicas íntima, média e adventícia, para todos os animais, foram significativamente maiores no segmento cranial. As camadas das paredes dos vasos apresentaram variações entre si quanto à estrutura e espessura, supostamente devido a uma adaptação à exigência funcional.

  11. Interruption or congenital stenosis of the inferior vena cava: Prevalence, imaging, and clinical findings

    Energy Technology Data Exchange (ETDEWEB)

    Koc, Zafer [Baskent University, School of Medicine, Department of Radiology, Adana (Turkey)]. E-mail: koczafer@gmail.com; Oguzkurt, Levent [Baskent University, School of Medicine, Department of Radiology, Adana (Turkey)

    2007-05-15

    Objective: To present the prevalence, clinical, and imaging findings of interruption or congenital stenotic lesions of the inferior vena cava (IVC), associated malformations, and their clinical relevance. Materials and methods: Between March 2004 and March 2006, 7972 patients who had undergone consecutive routine abdominal multidetector row computed tomography were analyzed for interruption or stenotic lesion of the IVC. Results: Prevalence of interruption (n = 8) or congenital stenosis (n = 4) of the IVC occurred in 12 (0.15%) of 7972 patients. Four patients with interruption and four patients with congenital stenosis of the IVC were symptomatic with DVT (n = 4), leg swelling (n = 4), leg pain (n = 2), lower extremity varices (n = 2), hepatic vein thrombosis (n = 1), and hematochezia (n = 1). All four of the asymptomatic patients were from the interruption group, and these patients had interrupted IVC with well-developed azygos/hemiazygos continuation. Eight symptomatic patients did not have a well-developed azygos/hemiazygos continuation, and drainage of lower extremity was mainly from collateral veins. Additional findings in eight symptomatic patients were abdominal venous collaterals (n = 8), venous aneurysm (n = 2), lower extremity varices (n = 2), varicocele (n = 2), and pelvic varices (n = 1). Conclusion: Interruption or stenosis of the IVC are rare on routine abdominal CT examinations and may cause different clinical findings depending on the variant drainage patterns or collaterals. Interrupted IVC is commonly asymptomatic if associated with well-developed azygos/hemiazygos continuation, whereas commonly symptomatic if well-developed azygos/hemiazygos continuation is not present.

  12. Collateral circulation in ferrets (Mustela putorius) during temporary occlusion of the caudal vena cava.

    Science.gov (United States)

    Calicchio, Kristina W; Bennett, R Avery; Laraio, Leonard C; Weisse, Chick; Zwingenberger, Allison L; Rosenthal, Karen L; Johnston, Matthew S; Campbell, Vicki L; Solomon, Jeffrey A

    2016-05-01

    OBJECTIVE To determine whether extent of collateral circulation would change during temporary occlusion of the caudal vena cava (CVC) in ferrets (Mustela putorius), a pressure change would occur caudal to the occlusion, and differences would exist between the sexes with respect to those changes. ANIMALS 8 adult ferrets (4 castrated males and 4 spayed females). PROCEDURES Ferrets were anesthetized. A balloon occlusion catheter was introduced through a jugular vein, passed into the CVC by use of fluoroscopy, positioned cranial to the right renal vein, and inflated for 20 minutes. Venography was performed 5 and 15 minutes after occlusion. Pressure in the CVC caudal to the occlusion was measured continuously. A CBC, plasma biochemical analysis, and urinalysis were performed immediately after the procedure and 2 or 3 days later. RESULTS All 8 ferrets survived the procedure; no differences were apparent between the sexes. Vessels providing collateral circulation were identified in all ferrets, indicating blood flow to the paravertebral venous plexus. Complications observed prior to occlusion included atrial and ventricular premature contractions. Complications after occlusion included bradycardia, seizures, and extravasation of contrast medium. Mean baseline CVC pressure was 5.4 cm H2O. During occlusion, 6 ferrets had a moderate increase in CVC pressure (mean, 24.3 cm H2O) and 2 ferrets had a marked increase in CVC pressure to > 55.0 cm H2O. CONCLUSIONS AND CLINICAL RELEVANCE Caval occlusion for 20 minutes was performed in healthy ferrets with minimal adverse effects noted within the follow-up period and no apparent differences between sexes. The CVC pressure during occlusion may be prognostic in ferrets undergoing surgical ligation of the CVC, which commonly occurs during adrenal tumor resection. PMID:27111022

  13. Thrombectomy and surgical reconstruction for extensive iliocaval thrombosis in a patient with agenesis of the retrohepatic vena cava and atresia of the left renal vein.

    Science.gov (United States)

    La Spada, Michele; Stilo, Francesco; Carella, Giuseppe; Salomone, Ignazio; Benedetto, Filippo; De Caridi, Giovanni; Spinelli, Francesco

    2011-08-01

    In 80% of the patients presenting with deep-venous thrombosis (DVT), a risk factor can be identified. An absent or hypoplastic infrarenal vena cava is a rare risk factor for DVT in young adults. In these cases, the prevalence of congenital anomalies of the inferior vena cava (IVC) is estimated at 0.5% of the general population, up to 5% in young people. The association with coagulopathy increases the risk of DVT. We report a case of a young man who presented with a massive caval and iliofemoral-popliteal thrombosis in presence of the agenesis of retrohepatic inferior vena cava and atresia of the left renal vein. Open thrombectomy and caval reconstruction with a polytetrafluoroethylene graft were performed. Surgical option with vein reconstruction was preferred to prevent new episodes of thrombosis and the risk of acute renal failure.

  14. Idiopathic Thrombosis of the Inferior Vena Cava and Bilateral Femoral Veins in an Otherwise Healthy Male Soldier

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    Sarah Gordon

    2013-01-01

    Full Text Available Thrombosis of the inferior vena cava is less common than deep venous thrombosis of the lower extremities, particularly in the absence of an obvious congenital caval abnormality or hypercoagulable state. We present a case of IVC thrombosis in an otherwise healthy and active 28-year-old male soldier secondary to dehydration and venous webbing. IVC thrombosis is an uncommon and underrecognized condition; in this case, the patient’s caval thrombosis was initially mistaken for acute back strain. Prompt recognition is necessary to minimize long-term sequelae.

  15. Influence of temperature during the second fermentation and aging of sparkling wine (Cava on the properties of the foam

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    Esteruelas Mireia

    2015-01-01

    Full Text Available The aim of this study was to determine the influence of temperature during the second fermentation and aging of spar- kling wines (AOC Cava on their foam properties. The results indicate that sparkling wines elaborated at 12 °C have a maximum height (HM and a stable height (HS of the foam significantly higher than the corresponding ones produced at 16 °C. This better foam properties observed in sparkling wines obtained at low temperature are probably related with their higher protein and oligosaccharide concentration.

  16. Congenital anomaly of the inferior vena cava and factor V Leiden mutation predisposing to deep vein thrombosis

    Science.gov (United States)

    Lamparello, Brooke M; Erickson, Cameron R; Kulthia, Arun; Virparia, Vasudev; Thet, Zeyar

    2014-01-01

    A previously healthy 21-year-old man presented with back pain, bilateral extremity pain, and right lower extremity weakness, paresthesias, and swelling. Sonographic examination revealed diffuse deep vein thrombosis (DVT) in the femoral and popliteal venous system. CT imaging revealed hypoplasia of the hepatic inferior vena cava (IVC) segment with formation of multiple varices and collateral veins around the kidneys. Hematologic workup also discovered a factor V Leiden mutation, further predisposing the patient to DVT. The rare, often overlooked occurrence of attenuated IVC, especially in the setting of hypercoagulable state, can predispose patients to significant thrombosis. PMID:25395858

  17. Limitations of using synthetic blood clots for measuring in vitro clot capture efficiency of inferior vena cava filters

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    Robinson RA

    2013-05-01

    Full Text Available Ronald A Robinson, Luke H Herbertson, Srilekha Sarkar Das, Richard A Malinauskas, William F Pritchard, Laurence W GrossmanOffice of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, MD, USAAbstract: The purpose of this study was first to evaluate the clot capture efficiency and capture location of six currently-marketed vena cava filters in a physiological venous flow loop, using synthetic polyacrylamide hydrogel clots, which were intended to simulate actual blood clots. After observing a measured anomaly for one of the test filters, we redirected the focus of the study to identify the cause of poor clot capture performance for large synthetic hydrogel clots. We hypothesized that the uncharacteristic low clot capture efficiency observed when testing the outlying filter can be attributed to the inadvertent use of dense, stiff synthetic hydrogel clots, and not as a result of the filter design or filter orientation. To study this issue, sheep blood clots and polyacrylamide (PA synthetic clots were injected into a mock venous flow loop containing a clinical inferior vena cava (IVC filter, and their captures were observed. Testing was performed with clots of various diameters (3.2, 4.8, and 6.4 mm, length-to-diameter ratios (1:1, 3:1, 10:1, and stiffness. By adjusting the chemical formulation, PA clots were fabricated to be soft, moderately stiff, or stiff with elastic moduli of 805 ± 2, 1696 ± 10 and 3295 ± 37 Pa, respectively. In comparison, the elastic moduli for freshly prepared sheep blood clots were 1690 ± 360 Pa. The outlying filter had a design that was characterized by peripheral gaps (up to 14 mm between its wire struts. While a low clot capture rate was observed using large, stiff synthetic clots, the filter effectively captured similarly sized sheep blood clots and soft PA clots. Because the stiffer synthetic clots remained straight when approaching the

  18. Real-time flow - determination of vena cava inferior on two different levels via 'RACE' pulse sequence in MR

    International Nuclear Information System (INIS)

    A new and simple parameter for quantiative evaluation of liver perfusion is outlined: Post-sinusoidal quantitative measurement of the entire liver venous flow: This is a result of the differences in evaluated flow volumes at two different levels in the inferior V.cava. The first level is the height of diaphragm, and the second is situated just cranial of the renal vessels. Normal values obtained from a group of healthy volunteers are presented. A gradient-echo pulse sequence called RACE, enabling flow measurements in real-time, is outlined. (orig.)

  19. CT Findings of Intrarenal Yolk Sac Tumor with Tumor Thrombus Extending into the Inferior Vena Cava: A Case Report

    Energy Technology Data Exchange (ETDEWEB)

    Lin, Shao Chun; Li, Xue Hua; Sun, Can Hui; Feng, Shi Ting; Peng, Zhen Peng; Huang, Si Yun; Li, Zi Ping [Dept. of Radiology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou (China)

    2014-10-15

    Yolk sac tumor (YST) is a rare germ cell neoplasm of childhood that usually arises from the testis or ovary. The rare cases of YST in various extragonadal locations have been reported, but the primary intrarenal YST is even more uncommon. Here, we report a case of a primary intrarenal YST with tumor thrombus of the inferior vena cava and left renal vein in a 2-year-old boy, with an emphasis on the CT features. To our knowledge, this is the first reported case of an intrarenal YST with intravascular involvement.

  20. Use of a Trellis Device for Endovascular Treatment of Venous Thrombosis Involving a Duplicated Inferior Vena Cava

    Energy Technology Data Exchange (ETDEWEB)

    Saettele, Megan R., E-mail: SaetteleM@umkc.edu [University of Missouri, Kansas City, Department of Radiology, Saint Luke' s Hospital (United States); Morelli, John N., E-mail: dr.john.morelli@gmail.com [Texas A and M University Health Science Center, Department of Radiology, Scott and White Clinic and Hospital (United States); Chesis, Paul; Wible, Brandt C. [University of Missouri, Kansas City, Department of Interventional Radiology, Saint Luke' s Hospital (United States)

    2013-12-15

    Congenital anomalies of the inferior vena cava (IVC) are increasingly recognized with CT and venography techniques. Although many patients with IVC anomalies are asymptomatic, recent studies have suggested an association with venous thromboembolism. We report the case of a 62-year-old woman with extensive venous clot involving the infrarenal segment of a duplicated left IVC who underwent pharmacomechanical thrombectomy and tissue plasminogen activator catheter-directed thrombolysis with complete deep venous thrombosis resolution. To our knowledge this is the first reported case in the English literature of the use of a Trellis thrombectomy catheter in the setting of duplicated IVC.

  1. [THE CHOICE OF SURGICAL TREATMENT METHOD FOR THE DEEP VEINS THROMBOSIS IN SYSTEM OF VENA CAVA INFERIOR].

    Science.gov (United States)

    Rusyn, V I; Korsak, V V; Popovych, Ya M; Boyko, S O

    2015-05-01

    There were analyzed the results of examination and treatment of 455 patients, suffering deep veins thrombosis in a system of vena cava inferior, of whom 175 (38.5%) were operated on. Inclusion of ultrasound duplex scanning, roentgencontrast phlebography, multispiral computer tomography with intravenous contrasting, radionuclide phleboscintigraphy into complex of clinic-instrumental examination of the patients gives possibility to estimate the disorders of the main trunk and collateral venous blood flow in the deep veins thrombosis, as well as to substantiate indications and choice of the operative treatment method.

  2. La orejuela izquierda como fuente de accidentes cerebrovasculares: cerrar (y cómo, o no cerrar (y por qué Left atrial appendage as a source of stroke: to close (and how, or not to close (and why

    Directory of Open Access Journals (Sweden)

    R. Hernández-Estefanía

    2012-04-01

    Full Text Available La orejuela izquierda se considera la principal fuente de émbolos en los accidentes cerebrovasculares que se producen en pacientes con fibrilación auricular. El tratamiento con anticoagulantes orales reduce significativamente el riesgo de accidentes embólicos cerebrales en relación con la aspirina, pero se asocia a riesgo de complicaciones hemorrágicas, por lo que no siempre son utilizados. Se ha descrito que el cierre de la orejuela izquierda reduce la tasa de accidentes tromboembólicos y en la actualidad se recomienda en pacientes en fibrilación auricular sometidos a cirugía mitral, pero la formación de émbolos en estos pacientes puede deberse a otras causas, y la implicación de la orejuela podría ser menor de la que se presupone. Además, no todos los pacientes son candidatos para la anticoagulación oral, y no todos se mantienen en un rango terapéutico adecuado, lo que podría justificar la formación de trombos auriculares. Existen diversos métodos para el cierre de la orejuela: sutura directa, exclusión epicárdica mediante grapadora o clip, u oclusión mediante los recientes dispositivos endovasculares de aplicación percutánea. Pero, según la bibliografía, la efectividad de estos métodos para ocluir completamente la orejuela, así como su seguridad y eficacia para la prevención de accidentes embólicos cerebrales, pueden presentar resultados dispares. Para aumentar la controversia, algunos métodos de cierre con sutura no revelan un claro beneficio e, incluso, en algunos se describe un aumento del riesgo de tromboembolismo. Se presenta una revisión sobre la necesidad de cierre de la orejuela izquierda para la prevención de accidentes vasculares cerebrales, así como los diversos procedimientos descritos.Left atrial appendage is considered the main source of emboli in stroke for patients with atrial fibrillation. Oral anticoagulant therapy significantly reduces the risk of cerebral embolic events as compared with

  3. Inferior vena cava filter thrombus: A possible cause of an unanticipated finding of {sup 99m} Tc-labeled red blood cell scintigraphy

    Energy Technology Data Exchange (ETDEWEB)

    Song, Hee Sung; Choi, Joon Hyouk; Kim, Young Suk [Jeju National University School of Medicine, Jeju (Korea, Republic of)

    2016-06-15

    {sup 99m}Tc-labeled red blood cell scintigraphy, a sensitive and specific diagnostic test, is useful for patients suspected of suffering from active gastrointestinal bleeding. This study follows a case of a patient who was suspected of gastrointestinal bleeding after an inferior vena cava filter was inserted due to a deep vein thrombosis of the femoral vein. To evaluate an exact focus of bleeding, {sup 99m}Tc-labeled red blood cell scintigraphy was executed. Herein, an unanticipated finding of {sup 99m}Tc-labeled red blood cell scintigraphy probably due to a thrombus on the inferior vena cava filter is reported.

  4. Congenital anomaly of the inferior vena cava and factor V Leiden mutation predisposing to deep vein thrombosis

    Directory of Open Access Journals (Sweden)

    Lamparello BM

    2014-11-01

    Full Text Available Brooke M Lamparello,1,* Cameron R Erickson,2,* Arun Kulthia,3 Vasudev Virparia,3 Zeyar Thet3 1St George’s University, Grenada, West Indies; 2Northeast Ohio Medical University, Rootstown, OH, USA; 3Department of Medicine, Coney Island Hospital, Brooklyn, NY, USA *These authors contributed equally to this work Abstract: A previously healthy 21-year-old man presented with back pain, bilateral extremity pain, and right lower extremity weakness, paresthesias, and swelling. Sonographic examination revealed diffuse deep vein thrombosis (DVT in the femoral and popliteal venous system. CT imaging revealed hypoplasia of the hepatic inferior vena cava (IVC segment with formation of multiple varices and collateral veins around the kidneys. Hematologic workup also discovered a factor V Leiden mutation, further predisposing the patient to DVT. The rare, often overlooked occurrence of attenuated IVC, especially in the setting of hypercoagulable state, can predispose patients to significant thrombosis. Keywords: inferior vena cava (IVC, deep vein thrombosis (DVT, lower extremities, thrombophilic, venography

  5. Estimation of Right Atrial Pressure from the Inspiratory Collapse of the Inferior Vena cava in Pediatric Patients

    Directory of Open Access Journals (Sweden)

    Gholamhossein Ajami

    2010-06-01

    Full Text Available Objective: Paucity of data exists between mean right atrial pressure (RAP and inferior vena cava (IVC size and collapsibility in pediatric patients with congenital heart disease.Methods: In a prospective study, fifty consecutive pediatric patients with different congenital heart diseases who had right side cardiac catheterization were studied, comparing right atrial pressure with simultaneous M-mode echocardiographic measurement of inferior vena cava diameter. Mean age of the patients was 4.96±4.05 years (30 male and 20 female. Patients were categorized into two groups according to their right atrial pressure (RAP as measured by cardiac catheterization: Group 1 (40 patients were those with mean RAP 8 mmHg when IVC diameter in inspiration was >3.6 (sensitivity of 100%, specificity of 47.5%, +LR=1.9 or if IVC diameter was >6mm in expiration (sensitivity of 70%, specificity of 87%, +LR=4.67.Conclusion: This study showed that measurement of IVC size in inspiration and expiration can be used as a reliable method for estimation of mean right atrial pressure.

  6. Blood Pool Segmentation Results in Superior Virtual Cardiac Models than Myocardial Segmentation for 3D Printing.

    Science.gov (United States)

    Farooqi, Kanwal M; Lengua, Carlos Gonzalez; Weinberg, Alan D; Nielsen, James C; Sanz, Javier

    2016-08-01

    The method of cardiac magnetic resonance (CMR) three-dimensional (3D) image acquisition and post-processing which should be used to create optimal virtual models for 3D printing has not been studied systematically. Patients (n = 19) who had undergone CMR including both 3D balanced steady-state free precession (bSSFP) imaging and contrast-enhanced magnetic resonance angiography (MRA) were retrospectively identified. Post-processing for the creation of virtual 3D models involved using both myocardial (MS) and blood pool (BP) segmentation, resulting in four groups: Group 1-bSSFP/MS, Group 2-bSSFP/BP, Group 3-MRA/MS and Group 4-MRA/BP. The models created were assessed by two raters for overall quality (1-poor; 2-good; 3-excellent) and ability to identify predefined vessels (1-5: superior vena cava, inferior vena cava, main pulmonary artery, ascending aorta and at least one pulmonary vein). A total of 76 virtual models were created from 19 patient CMR datasets. The mean overall quality scores for Raters 1/2 were 1.63 ± 0.50/1.26 ± 0.45 for Group 1, 2.12 ± 0.50/2.26 ± 0.73 for Group 2, 1.74 ± 0.56/1.53 ± 0.61 for Group 3 and 2.26 ± 0.65/2.68 ± 0.48 for Group 4. The numbers of identified vessels for Raters 1/2 were 4.11 ± 1.32/4.05 ± 1.31 for Group 1, 4.90 ± 0.46/4.95 ± 0.23 for Group 2, 4.32 ± 1.00/4.47 ± 0.84 for Group 3 and 4.74 ± 0.56/4.63 ± 0.49 for Group 4. Models created using BP segmentation (Groups 2 and 4) received significantly higher ratings than those created using MS for both overall quality and number of vessels visualized (p 3D printing. Desktop 3D printers can offer good quality printed models with accurate representation of anatomic detail.

  7. Paso superior en una ladera

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    Bender, O.

    1965-07-01

    Full Text Available The Redwood highway, through the Californian forest, runs on a viaduct, as it crosses a mountain slope of about 45° inclination. The firm ground is fairly deep, and as an additional constructional difficulty, it was necessary to respect the natural beauty of the countryside. A structure of portal frames were built, forming a number of short spans. These spans were bridged with metal girders, on which a 19 m wide deck was placed. The columns are hollow and have a transversal cross beam, to join each pair. There was difficulty in excavating the foundations for the columns, as it was necessary to dig through the soft top soil, and also prevent this soil from hurting the trunks of the forest trees. Another significant difficulty in the construction of this viaduct was the access to the working site, since there were no suitable platforms from which to operate the appropriate machinery. This made it necessary to do a lot of the work by manual operation. As one of the edges of the deck is very close to the mountain side, a supporting beam was erected on this side. It was made of concrete, on metal piles. The formwork for the deck structure was placed on the concrete stems of the supporting piles.La autopista denominada Redwood (California salva, con un paso superior, la ladera de un bosque cuya pendiente es del 1/1. El terreno firme se halla a bastante profundidad, añadiéndose, a los naturales problemas de la construcción, el imperativo de respetar la belleza agreste del paraje. La solución adoptada consiste en una estructura porticada, con varios tramos de pequeñas luces, salvados con vigas metálicas, sobre los que se coloca la losa del tablero, de 19 m de anchura total. Los soportes están constituidos por pórticos de dos montantes huecos (con bases de hormigón en masa por debajo del suelo, hasta el firme coronados por un cabezal. La perforación de pozos para el hormigonado de los montantes presentaba la dificultad de atravesar el terreno

  8. Obstruction of hepatic vein or inferior vena cava after liver transplantation: the diagnosis and interventional treatment

    International Nuclear Information System (INIS)

    Objective: To investigate the diagnosis and interventional therapeutic technology for the obstruction of hepatic vein (HV) or inferior vena cava (IVC) after liver transplantation. Methods: In the 831 patients who received orthotopic liver transplantation (OLT) and 26 patients who received living donor liver transplantation (LDLT), 11 cases were confirmed with HV or IVC obstruction by venography and received interventional treatment from 2 to 111 days after liver transplantation. Of the 11 patients, five had the obstruction of HV anastomosis, five had the obstruction of IVC anastomosis, and one had the obstruction of HV and IVC anastomosis. In the eleven patients, five patients underwent OLT, four patients underwent LDLT, and two pediatric patients underwent reduced-size OLT. Before interventional treatment, 9 patients function tests, clinical sympatom, and monitoring of HV or IVC flow. Pressure gradients before and after therapeutic technology of 11 cases were retrospectively analyzed. Results: In all 11 patients, CT or MRI could clearly show congested areas of the liver, and the location and degree of HV or IVC obstruction. Of the 11 patients, four with HV obstruction and five with IVC obstruction were treated with stent placement, one with HV obstruction was treated with percutaneous transluminal angioplasty (PTA), one with HV and IVC obstruction was treated with HV PTA and IVC stent placement. Interventional technical success was achieved in all patients. The venous pressure gradient across obstruction was significantly reduced from (16.5 ± 4.1) mm Hg (1 mm Hg =0.133 kPa) before the procedure to (2.9 ± 1.7) mm Hg after the procedure (t=11.5, P<0.01). Clinical improvement was noted in 10 patients except one pediatric patient who died of multiple-organs failure at the 9 th day after the treatment. During the follow-up period of 9 to 672 days, two patients with PTA treatment had recurrent HV stenosis within one month after treatment, no patient with stent

  9. Endovascular treatment of thrombosed inferior vena cava filters: Techniques and short-term outcomes

    Directory of Open Access Journals (Sweden)

    Mohammad Arabi

    2015-01-01

    Full Text Available Purpose: To present the techniques for endovascular treatment of thrombosed filter-bearing inferior vena cavae (IVCs, along with short-term clinical and imaging follow-up. Materials and Methods: A total of 45 consecutive patients (17 females and 28 males, aged 19-79 years (mean age of 49 years, who had IVC filter placement complicated by symptomatic acute or chronic iliocaval thrombosis and underwent endovascular therapy were studied. All patients presented with lower extremity swelling and/or pain. One patient also had bilateral lower extremity swelling and chronic gastrointestinal (GI bleeding which was secondary to chronic systemic to portal venous collaterals. Patients underwent one or more of the following endovascular treatments depending on the chronicity and extent of thrombosis: (a catheter-directed thrombolysis (CDT (n = 25, (b pharmacomechanical thrombolysis (PMT (n = 15, (c balloon angioplasty (n = 45, and/or (d stent placement across the filter (n = 42. In addition, 16 patients underwent groin arteriovenous fistula (AVF creation (36% and 3 (7% had femoral venous thrombectomy to improve flow in the recanalized iliac veins and IVCs. Results: Anatomical success was achieved in all patients. Follow-up was not available in 10 patients (lost to follow-up, n = 4; expired due to comorbidities, n = 2; lost to follow-up after re-intervention, n = 4. At a mean follow-up time of 13.3 months (range 1-48 months, clinical success was achieved in 27 patients (60%, i.e. in 21 patients without re-intervention and in 6 patients with re-intervention. Clinical success was not achieved despite re-intervention in eight patients. Higher clinical success was noted in patients who did not require repeat interventions (P = 0.03 and the time to re-intervention was significantly shorter in patients who had clinical failure (P = 0.01. AVF creation did not improve the clinical success rate (P = 1. There was no significant difference in clinical success between

  10. Accuracy of Inferior Vena Cava, Aorta, and Jugular Vein Ultrasonographic Diameters in Identifying Pediatric Dehydration

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    Hamid Kariman

    2015-10-01

    Full Text Available Introduction: Evaluating intravascular volume is an important but complicated matter in management of critically ill patients, especially in children. Although invasive techniques have the ability to accurately estimate the intravascular volume, but they have dangerous side effects. Therefore, the present study was designed with the aim of comparing the diagnostic accuracy of sonographic diameters of inferior vena cava (IVC, aorta, internal jugular vein (IJV, and IVC/aorta ratio in identifying pediatric dehydration in children presented to the emergency department (ED. Methods: The present prospective cross-sectional study was carried out with the aim of determining the diagnostic accuracy of sonographic diameters of IVC, IJV, and aorta, in estimation of dehydration rate for children presented to the ED with mild to moderate dehydration. Their screening performance characteristics, such as area under the ROC curve, sensitivity and specificity, were calculated and used for this purpose. The data were analyzed using STATA 11.0 and 0.05 was considered as significance level. Results: In the end, 54 patients were enrolled in the study (57.4% male, mean age of 4.9 ± 2.7 years. Area under the ROC curve for IVC in diagnosis of moderate dehydration in sagittal and transverse planes were 0.775 (95% CI: 0.65 – 0.91 and 0.8086 (95%CI: 0.96 – 0.93, respectively. In addition, the diameter of aorta in this regard were 0.658 (95%CI: 0.51 – 0.81 for the sagittal and 0.7126 (95% CI: 0.57 – 0.86 for the transverse plane. IJV diameter had an area under the curve of 0.7332 (95% CI: 0.59 – 0.88. Comparing the area under the ROC curves for the studied parameters showed that IVC diameter in the sagittal (p = 0.004 and transverse (p < 0.001 planes is a better index for diagnosis of moderate dehydration. Conclusion: Based on the findings of the present study, it seems that IJV, IVC, and aorta diameters are not very accurate for determining the condition of

  11. Safety and efficacy of interventional treatment for occlusion of the entire inferior vena cava

    International Nuclear Information System (INIS)

    Objective: To evaluate the safety and efficacy of interventional treatment of occlusion of the entire inferior vena cava (IVC). Methods: The clinical data of 6 patients with entire IVC occlusion were analyzed retrospectively. All patients were diagnosed by color Doppler ultrasound and DSA. Venography was performed under local anesthesia via internal jugular vein and femoral vein approach. The occlusion of IVC and hepatic vein were treated with balloon dilatation and/or stent placement. Follow-up examination with color Doppler ultrasound was taken 1, 3, 6, 12 months after treatment and annually thereafter to assess the patency of IVC and hepatic vein. The pressure gradient of hepatic vein-right atrium and IVC-right atrium before and after interventional treatment were compared with paired t test. Results: In 5 cases, both IVC and 1 hepatic vein were recanalized successfully. In 1 case,recanalization of IVC failed,but the right hepatic vein was recanalized successfully. The mean pressure gradient of hepatic vein-right atrium decreased from (23.2 ± 2.0) cmH2O (1 cmH2O =0.098 kPa) before treatment to (8.7 ± 3.2) cmH2O after treatment in 6 cases (t=21.6, P<0.05). The mean pressure gradient of IVC-right atrium decreased from (26.6 ± 2.7) cmH2O before treatment to (9.4 ± 1.1) cmH2O after treatment (t=16.1, P<0.05). Abdominal pains occurred in 3 patients after stent implantation which disappeared in 24 hours. No other complications such as bleeding and death occurred. During a mean follow-up of (42 ± 27) months (16 to 90 months), hepatic vein patency was maintained in 6 cases and IVC patency was maintained in 5 cases. Conclusion: Interventional treatment of occlusion of the entire IVC is a safe and effective method. (authors)

  12. Tratamiento de la compresión del tronco de la arteria coronaria izquierda en pacientes con hipertensión pulmonar Treatment of compression of the left main coronary artery in patients with pulmonary hypertension

    Directory of Open Access Journals (Sweden)

    María L. Talavera

    2011-10-01

    Full Text Available La angina de pecho es un síntoma frecuente en pacientes con hipertensión pulmonar (HP de cualquier etiología. Aunque su fisiopatología no está aclarada, las causas propuestas son: la isquemia subendocárdica por aumento del estrés parietal del ventrículo derecho, la dilatación de la arteria pulmonar por incrementos transitorios de la presión pulmonar y la compresión extrínseca del tronco de la arteria coronaria izquierda (TCI por la arteria pulmonar (AP dilatada. Se presentan tres casos que muestran la relación entre la angina de pecho y la compresión del TCI en pacientes con HP asociada a cardiopatías congénitas, tratados mediante implante de stent coronario.Chest pain is a frequent symptom in patients with pulmonary hypertension of any etiology. Its pathophysiology has not been clearly established, the proposed causes are ischemia due to increased right ventricle wall stress, transient increased pulmonary hypertension resulting in acute pulmonary artery dilatation and external compression of the left main coronary artery (LMCA by a dilated pulmonary artery. We report and discuss here three cases where the association between chest pain and compression of the LMCA by a dilated pulmonary artery could be shown, and they were treated with coronary stenting.

  13. Retrievable Guenther Tulip Vena Cava Filter in the prevention of pulmonary embolism in patients with acute deep venous thrombosis in perinatal period

    Energy Technology Data Exchange (ETDEWEB)

    Koecher, Martin [Department of Radiology, University Hospital, I.P. Pavlova 6, 775 20 Olomouc (Czech Republic)], E-mail: martin.kocher@seznam.cz; Krcova, Vera [Department of Hematooncology, University Hospital, I.P. Pavlova 6, 775 20 Olomouc (Czech Republic); Cerna, Marie [Department of Radiology, University Hospital, I.P. Pavlova 6, 775 20 Olomouc (Czech Republic); Prochazka, Martin [Department of Obstetrics and Gynaecology, University Hospital, I.P. Pavlova 6, 775 20 Olomouc (Czech Republic)

    2009-04-15

    Objectives: To evaluate the feasibility and efficacy of the retrievable Guenther Tulip Vena Cava Filter in the prevention of pulmonary embolism in patients with acute deep vein thrombosis in the perinatal period and to discuss the technical demands associated with the filter's implantation and retrieval. Methods: Between 1996 until 2007, eight women (mean age 27.4 years, range 20-42 years) with acute deep iliofemoral venous thrombosis in the perinatal period of pregnancy and increased risk of pulmonary embolism during delivery were indicated for retrievable Guenther Tulip Vena Cava Filter implantation. All filters were inserted and removed under local anesthesia from the jugular approach. Results: The Guenther Tulip Vena Cava Filter was implanted suprarenally in all patients on the day of caesarean delivery. In follow-up cavograms performed just before planned filter removal, no embolus was seen in the filter in any patient. In all patients the filter was retrieved without complications on the 12th day after implantation. Conclusions: Retrievable Guenther Tulip Vena Cava Filters can be inserted and removed in patients during the perinatal period without major complications.

  14. Superiority in value and the repugnant conclusion

    DEFF Research Database (Denmark)

    Jensen, Karsten Klint

    2007-01-01

    James Griffin has considered a weak form of superiority in value a possible remedy to the Repugnant Conclusion. In this paper, I demonstrate that, in a context where value is additive, this weaker form collapses into a stronger form of superiority. And in a context where value is non-additive, weak...... superiority does not amount to a radical value difference at all. I then spell out the consequences of these results for different interpretations of Griffin's suggestion regarding population ethics. None of them comes out very successful, but perhaps they nevertheless retain some interest....

  15. Cytotoxic activity of proteins isolated from extracts of Corydalis cava tubers in human cervical carcinoma HeLa cells

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    Balcerkiewicz Stanislaw

    2010-12-01

    Full Text Available Abstract Background Corydalis cava Schweigg. & Koerte, the plant of numerous pharmacological activities, together with the studied earlier by our group Chelidonium majus L. (Greater Celandine, belong to the family Papaveraceae. The plant grows in Central and South Europe and produces the sizeable subterraneous tubers, empty inside, which are extremely resistant to various pathogen attacks. The Corydalis sp. tubers are a rich source of many biologically active substances, with the extensive use in European and Asian folk medicine. They have analgetic, sedating, narcotic, anti-inflammatory, anti-allergic and anti-tumour activities. On the other hand, there is no information about possible biological activities of proteins contained in Corydalis cava tubers. Methods Nucleolytic proteins were isolated from the tubers of C. cava by separation on a heparin column and tested for DNase activity. Protein fractions showing nucleolytic activity were tested for cytotoxic activity in human cervical carcinoma HeLa cells. Cultures of HeLa cells were conducted in the presence of three protein concentrations: 42, 83 and 167 ng/ml during 48 h. Viability of cell cultures was appraised using XTT colorimetric test. Protein fractions were separated and protein bands were excised and sent for identification by mass spectrometry (LC-ESI-MS/MS. Results The studied protein fractions showed an inhibiting effect on mitochondrial activity of HeLa cells, depending on the administered dose of proteins. The most pronounced effect was obtained with the highest concentration of the protein (167 ng/ml - 43.45 ± 3% mitochondrial activity of HeLa cells were inhibited. Mass spectrometry results for the proteins of applied fractions showed that they contained plant defense- and pathogenesis-related (PR proteins. Conclusions The cytotoxic effect of studied proteins toward HeLa cell line cells has been evident and dependent on increasing dose of the protein. The present study, most

  16. Superior mesenteric artery syndrome causing growth retardation

    Directory of Open Access Journals (Sweden)

    Halil İbrahim Taşcı

    2013-03-01

    Full Text Available Superior mesenteric artery syndrome is a rare and lifethreateningclinical condition caused by the compressionof the third portion of the duodenum between the aortaand the superior mesenteric artery’s proximal part. Thiscompression may lead to chronic intermittent, acute totalor partial obstruction. Sudden weight-loss and the relateddecrease in the fat tissue are considered to be the etiologicalreason of acute stenosis. Weight-loss accompaniedby nausea, vomiting, anorexia, epigastric pain, andbloating are the leading complaints. Barium radiographs,computerized tomography, conventional angiography,tomographic and magnetic resonance angiography areused in the diagnosis. There are medical and surgical approachesto treatment. We hereby present the case ofa patient with superior mesenteric artery syndrome withdelayed diagnosis.Key words: superior mesenteric artery syndrome, nausea-vomiting, anorexia

  17. Millian superiorities and the repugnant conclusion

    DEFF Research Database (Denmark)

    Jensen, Karsten Klint

    2008-01-01

    James Griffin has considered a form of superiority in value that is weaker than lexical priority as a possible remedy to the Repugnant Conclusion. In this article, I demonstrate that, in a context where value is additive, this weaker form collapses into the stronger form of superiority. And in a...... results for different interpretations of Griffin's suggestion regarding population ethics. None of them comes out very successful, but perhaps they nevertheless retain some interest....

  18. Superior oblique surgery: when and how?

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    Taylan Şekeroğlu H

    2013-08-01

    Full Text Available Hande Taylan Şekeroğlu,1 Ali Sefik Sanac,1 Umut Arslan,2 Emin Cumhur Sener11Department of Ophthalmology, 2Department of Biostatistics, Hacettepe University Faculty of Medicine, Ankara, TurkeyBackground: The purpose of this paper is to review different types of superior oblique muscle surgeries, to describe the main areas in clinical practice where superior oblique surgery is required or preferred, and to discuss the preferred types of superior oblique surgery with respect to their clinical outcomes.Methods: A consecutive nonrandomized retrospective series of patients who had undergone superior oblique muscle surgery as a single procedure were enrolled in the study. The diagnosis, clinical features, preoperative and postoperative vertical deviations in primary position, type of surgery, complications, and clinical outcomes were reviewed. The primary outcome measures were the type of strabismus and the type of superior oblique muscle surgery. The secondary outcome measure was the results of the surgeries.Results: The review identified 40 (20 male, 20 female patients with a median age of 6 (2–45 years. Nineteen patients (47.5% had Brown syndrome, eleven (27.5% had fourth nerve palsy, and ten (25.0% had horizontal deviations with A pattern. The most commonly performed surgery was superior oblique tenotomy in 29 (72.5% patients followed by superior oblique tuck in eleven (27.5% patients. The amount of vertical deviation in the fourth nerve palsy and Brown syndrome groups (P = 0.01 for both and the amount of A pattern in the A pattern group were significantly reduced postoperatively (P = 0.02.Conclusion: Surgery for the superior oblique muscle requires experience and appropriate preoperative evaluation in view of its challenging nature. The main indications are Brown syndrome, fourth nerve palsy, and A pattern deviations. Superior oblique surgery may be effective in terms of pattern collapse and correction of vertical deviations in primary

  19. Magnetic resonance imaging evaluation of meniscoid superior labrum: normal variant or superior labral tear*

    Science.gov (United States)

    Simão, Marcelo Novelino; Vinson, Emily N.; Spritzer, Charles E.

    2016-01-01

    Objective The objective of this study was to determine the incidence of a "meniscoid" superior labrum. Materials and Methods This was a retrospective analysis of 582 magnetic resonance imaging examinations of shoulders. Of those 582 examinations, 110 were excluded, for a variety of reasons, and the final analysis therefore included 472 cases. Consensus readings were performed by three musculoskeletal radiologists using specific criteria to diagnose meniscoid labra. Results A meniscoid superior labrum was identified in 48 (10.2%) of the 472 cases evaluated. Arthroscopic proof was available in 21 cases (43.8%). In 10 (47.6%) of those 21 cases, the operative report did not include the mention a superior labral tear, thus suggesting the presence of a meniscoid labrum. In only one of those cases were there specific comments about a mobile superior labrum (i.e., meniscoid labrum). In the remaining 11 (52.4%), surgical correlation demonstrated superior labral tears. Conclusion A meniscoid superior labrum is not an infrequent finding. Depending upon assumptions and the requirement of surgical proof, the prevalence of a meniscoid superior labrum in this study was between 2.1% (surgically proven) and 4.8% (projected). However, superior labral tears are just as common and are often confused with meniscoid labra. PMID:27777474

  20. [Radical nephrectomy and thrombectomy in patients with renal cell cancer complicated by tumoral thrombosis of the renal vein and vena cava inferior].

    Science.gov (United States)

    Rusyn, V I; Korsak, V V; Rusyn, A V; Boĭko, S O

    2013-01-01

    Surgical treatment was conducted in 81 patients, suffering renocellular cancer (RCC), complicated by a renal vein and vena cava inferior thrombosis. According to the Mayo clinic classification, the level of a tumoral thrombus spread was established: the 0 level--in 37 patients, the level I--in 19, the level II--in 17, the level III --in 6, and the level IV--in 2. There were substantiated the optimal surgical accesses and technique of radical nephrectomy and thrombectomy for RCC, complicated by a renal vein and vena cava inferior thrombosis. It is recommended to apply transabdominal accesses: the extended median laparotomic, bilateral subcostal of a "Chevron" or "Mercedes" type. There was shown, that the access choice depends on the level of the tumoral thrombus localization.

  1. The Lake Superior Game: Use Versus Abuse.

    Science.gov (United States)

    Liukkonen, Barbara

    1988-01-01

    Described is a role playing activity in which students are asked to assume roles that represent a variety of individuals who use Lake Superior. Discussed are the goals, materials and preparation, and procedures for the game. Examples of role cards are provided. (CW)

  2. Absence of inferior vena cava in 14-year old boy associated with deep venous thrombosis and positive Mycoplasma pneumoniae serum antibodies- a case report

    OpenAIRE

    Kalicki, Boleslaw; Sadecka, Monika; Wawrzyniak, Agata; Kozinski, Piotr; Dziekiewicz, Miroslaw; Jung, Anna

    2015-01-01

    Background Absence of the inferior vena cava is a rare vascular anomaly, which usually remains asymptomatic in childhood. It is recognized as the risk factor for deep venous thrombosis, since the collateral circulation does not provide adequate drainage of the lower limbs. Mycoplasma pneumoniae is a common cause of community-acquired pneumonia in school-aged children and adolescents. Mycoplasma pneumoniae infection might be associated with deep venous thrombosis but its pathophysiology remain...

  3. Evaluation of antioxidant properties of a new compound, pyrogallol-phloroglucinol-6,6'-bieckol isolated from brown algae, Ecklonia cava

    OpenAIRE

    Kang, Sung-Myung; Lee, Seung-Hong; Heo, Soo-Jin; Kim, Kil-Nam; Jeon, You-Jin

    2011-01-01

    In this study, antioxidant and free radical scavenging activities of the natural antioxidative compound, pyrogallol-phloroglucinol-6,6'-bieckol (PPB) isolated from brown algae, Ecklonia cava was assessed in vitro by measuring the radical scavenging activities (DPPH, alkyl, hydroxyl, and superoxide) using electron spin resonance (ESR) spectrometry, intracellular reactive oxygen species (ROS) scavenging activity, and DNA damage assay. According to the results of these experiments, the scavengin...

  4. Treatment of pulmonary embolism and prevention of recurrence by placement of vena cava filters in prevention of deep venous thrombosis: Case report

    Directory of Open Access Journals (Sweden)

    Vučićević-Trobok Jadranka

    2002-01-01

    Full Text Available Introduction In patients with pulmonary thromboembolism it is clinical to suspect the disease, establish the diagnosis and initiate anticoagulation treatment as early as possible in order to prevent relapses, which may be fatal. Deep venous thrombosis of lower extremities is the most common site of origin, which initially may remain obscure. Case report Two weeks prior to admission the patient had right-sided chest pain accompanied with dyspnea, interpreted and treated as pleuropneumonia. Pulmonary thromboembolism was suspected due to clinical symptoms, chest X-ray, elevated enzyme levels findings, blood gas analysis with hypoxemia and ECG with right heart overload. The diagnosis of pulmonary thromboembolism confirmed by lung scintigraphy presented with perfusion defects. After twenty days of heparin therapy, the patient developed left leg edema. Ultrasound screening confirmed bilateral iliac-femoral popliteal vein thrombosis of iliacofemoropopliteal veins bilaterally. Phlebography performed via jugular vein disclosed thrombotic material in the right common iliac vein, as well as in the vena cava inferior. In the course of the procedure vena cava filter has been placed. Discussion Although the patient was receiving anticoagulation heparin therapy, he developed pulmonary thromboembolism relapse and deep venous thrombosis. In our patient, vena cava filter placement was aimed at preventing pulmonary thromboembolism relapse. Since a deficit of S protein was also established, the patient is unfortunately likely to develop thrombosis at other sites as well. Conclusion In our patient pulmonary thromboembolism was a consequence of deep venous thrombosis, and the diagnosis was established by ultrasound screening of the lower extremities and confirmed by phlebography. During phlebography vena cava filter was placed in order to prevent pulmonary thromboembolism.

  5. Measurement of Anterior-Posterior Diameter of Inferior Vena Cava by Ultrasonography: A Non-Invasive Method for Estimation of Central Venous Pressure

    OpenAIRE

    R Nafisi-Moghadam; Mansourian, H.R

    2007-01-01

    Background and Objective: The assessment of blood volume is now one of the most commonly needed interventions in the first line of care and severe ill patients. Measuring central venous pressure (CVP) is an invasive method, most frequently used in clinical practice for the assessment of volume status. The di-ameter of the inferior vena cava (IVC) is a parameter to estimate central venous pressure. The purpose of this study was to determine whether measurement of the anterior-posterior diamete...

  6. A prebiotic role of Ecklonia cava improves the mortality of Edwardsiella tarda-infected zebrafish models via regulating the growth of lactic acid bacteria and pathogen bacteria.

    Science.gov (United States)

    Lee, WonWoo; Oh, Jae Young; Kim, Eun-A; Kang, Nalae; Kim, Kil-Nam; Ahn, Ginnae; Jeon, You-Jin

    2016-07-01

    In this study, the beneficial prebiotic roles of Ecklonia cava (E. cava, EC) were evaluated on the growth of lactic acid bacteria (LAB) and pathogen bacteria and the mortality of pathogen-bacteria infected zebrafish model. The result showed that the original E. cava (EC) led to the highest growth effects on three LABs (Lactobacillus brevis, L. brevis; Lactobacillus pentosus, L. pentosus; Lactobacillus plantarum; L. plantarum) and it was dose-dependent manners. Also, EC, its Celluclast enzymatic (ECC) and 100% ethanol extracts (ECE) showed the anti-bacterial activities on the fish pathogenic bacteria such as (Edwardsiella tarda; E. tarda, Streptococcus iniae; S. iniae, and Vibrio harveyi; V. harveyi). Interestingly, EC induced the higher production of the secondary metabolites from L. plantarum in MRS medium. The secondary metabolites produced by EC significantly inhibited the growth of pathogen bacteria. In further in vivo study, the co-treatment of EC and L. plantarum improved the growth and mortality of E. tarda-infected zebrafish as regulating the expression of inflammatory molecules such as iNOS and COX2. Taken together, our present study suggests that the EC plays an important role as a potential prebiotic and has a protective effect against the infection caused by E. tarda injection in zebrafish. Also, our conclusion from this evidence is that EC can be used and applied as a useful prebiotic. PMID:27192145

  7. Iodine-125 Seeds Strand for Treatment of Tumor Thrombus in Inferior Vena Cava: An Experimental Study in a Rabbit Model

    Energy Technology Data Exchange (ETDEWEB)

    Zhang, Wen, E-mail: wenzhangxiao@126.com; Yan, Zhiping, E-mail: Yan.zhiping@zs-hospital.sh.cn; Luo, Jianjun, E-mail: luo.jianjun@zs-hospital.sh.cn; Fang, Zhuting, E-mail: 470389481@qq.com; Wu, Linlin, E-mail: linlinzhifubao@126.com; Liu, QingXin, E-mail: liu.qingxin@zs-hospital.sh.cn; Qu, Xudong, E-mail: qu.xudong@zs-hospital.sh.cn; Liu, Lingxiao, E-mail: liu.lingxiao@zs-hospital.sh.cn; Wang, Jianhua, E-mail: wang.jianhua@zs-hospital.sh.cn [Fudan University, Department of Interventional Radiology, Zhongshan Hospital (China)

    2013-10-15

    Objective: The purpose of this study was to establish an animal model of implanted inferior vena cava tumor thrombus (IVCTT) and to evaluate the effect of linear iodine-125 seeds strand in treating implanted IVCTT. Methods: Tumor cell line VX{sub 2} was inoculated subcutaneously into New Zealand rabbit to develop the parent tumor. The tumor strip was inoculated into inferior vena cava (IVC) to establish the IVCTT model. The IVCTT was confirmed by multidetector computed tomography (MDCT) after 2 weeks. Twelve rabbits with IVCTT were randomly divided into two groups. Treatment group (group T; n = 6) underwent Iodine-125 seeds brachytherapy, and the control group (group C; n = 6) underwent blank seeds strand. The blood laboratory examination (including blood routine examination, hepatic and renal function), body weight, survival time, and IVCTT volume by MDCT were monitored. All rabbits were dissected postmortem, and the therapeutic effects were evaluated on the basis of histopathology. The proliferating cell nuclear antigen index (PI) and apoptosis index (AI) of IVCTT were compared between two groups. T test, Wilcoxon rank test, and Kaplan-Meier survival curve analysis were used. Results: The success rate of establishing IVCTT was 100 %. The body weight loss and cachexia of rabbits in group C appeared earlier than in group T. Body weight in the third week, the mean survival time, PI, AI in groups T and C were 2.23 {+-} 0.12 kg, 57.83 {+-} 8.68 days, (16.73 {+-} 5.18 %), (29.47 {+-} 7.18 %), and 2.03 {+-} 0.13 kg, 43.67 {+-} 5.28 days, (63.01 {+-} 2.01 %), (6.02 {+-} 2.93 %), respectively. There were statistically significant differences between group T and group C (P < 0.05). The IVCTT volume of group T was remarkably smaller than that of group C. Conclusions: Injecting and suspensory fixing VX2 tumor strip into IVC is a reliable method to establish IVCTT animal model. The linear Iodine-125 seeds strand brachytherapy was a safe and effective method for treating IVCTT

  8. Iodine-125 Seeds Strand for Treatment of Tumor Thrombus in Inferior Vena Cava: An Experimental Study in a Rabbit Model

    International Nuclear Information System (INIS)

    Objective: The purpose of this study was to establish an animal model of implanted inferior vena cava tumor thrombus (IVCTT) and to evaluate the effect of linear iodine-125 seeds strand in treating implanted IVCTT. Methods: Tumor cell line VX2 was inoculated subcutaneously into New Zealand rabbit to develop the parent tumor. The tumor strip was inoculated into inferior vena cava (IVC) to establish the IVCTT model. The IVCTT was confirmed by multidetector computed tomography (MDCT) after 2 weeks. Twelve rabbits with IVCTT were randomly divided into two groups. Treatment group (group T; n = 6) underwent Iodine-125 seeds brachytherapy, and the control group (group C; n = 6) underwent blank seeds strand. The blood laboratory examination (including blood routine examination, hepatic and renal function), body weight, survival time, and IVCTT volume by MDCT were monitored. All rabbits were dissected postmortem, and the therapeutic effects were evaluated on the basis of histopathology. The proliferating cell nuclear antigen index (PI) and apoptosis index (AI) of IVCTT were compared between two groups. T test, Wilcoxon rank test, and Kaplan–Meier survival curve analysis were used. Results: The success rate of establishing IVCTT was 100 %. The body weight loss and cachexia of rabbits in group C appeared earlier than in group T. Body weight in the third week, the mean survival time, PI, AI in groups T and C were 2.23 ± 0.12 kg, 57.83 ± 8.68 days, (16.73 ± 5.18 %), (29.47 ± 7.18 %), and 2.03 ± 0.13 kg, 43.67 ± 5.28 days, (63.01 ± 2.01 %), (6.02 ± 2.93 %), respectively. There were statistically significant differences between group T and group C (P < 0.05). The IVCTT volume of group T was remarkably smaller than that of group C. Conclusions: Injecting and suspensory fixing VX2 tumor strip into IVC is a reliable method to establish IVCTT animal model. The linear Iodine-125 seeds strand brachytherapy was a safe and effective method for treating IVCTT in rabbit model

  9. Reproduction of a new inferior vena cava thrombosis model and study of the evolutionary process of thrombolysis in rats

    Directory of Open Access Journals (Sweden)

    Jian FU

    2015-10-01

    Full Text Available Objective To investigate the reproduction of a new model of thrombosis of inferior vena cava (IVC, and explore the natural process of thrombolysis and its mechanism in rats. Methods Forty-eight SD rats were randomly classified into experimental group and control group. In the experimental group, the lumen of the vena cava was blocked by about 80%-90% with a ligature of IVC below the left renal vein, and then the animals were redivided into three subgroups (n=12, each. In group A, the IVC endothelium was damaged and its tributaries were ligated. In group B, the IVC endothelium was damaged and its tributaries were not ligated. In group C, no damage was done to the endothelium of the IVC but all its tributaries were ligated. A sham-operated group served as control. The length and weight of the vinous thrombus and the percentage of the IVC luminal area were compared after operation to determine the optimum animal model of venous thrombosis. According to the best mode to establish the model, the thrombus specimens were collected and detected by HE and Masson staining, and the ED-1 expressions were examined by immunohistochemical staining after thrombus formation in 30 rats. The natural evolution of intravenous thrombolysis was analyzed dynamically and the cell types involved in this process were observed. Results Gross observation showed that the experimental group was successfully induced thrombus formation. The thrombus length and weight in group A was significantly higher than that in group B and group C, and no difference between group B and C. The thrombus area in group A was significantly higher than that in groups B and group C, which identified the group A was the optimal model group of venous thrombosis. In the group reproduced by the best mode of the model, HE and Masson staining results showed that new capillaries and the components of collagen and extracellular matrix increased gradually with the passage of time in the process of

  10. Terapia de resgate com amiodarona em crianças com grave disfunção ventricular esquerda causada por veneno de escorpião Terapia de rescate con amiodarona en niños con severa disfunción ventricular izquierda ocasionada por veneno de escorpión Antiadrenergic rescue therapy with amiodarone in children with severe left ventricular dysfunction secondary to scorpion envenomation

    Directory of Open Access Journals (Sweden)

    Justo J. Santiago

    2010-01-01

    ón endotraqueal y soporte respiratorio, electrocardiograma, radiografía de tórax, ecocardiograma y determinación sérica de la norepinefrina y troponina I. Los análisis se repitieron tras 12, 24 y 48 horas. Las siguientes medicaciones intravenosas se administraron: dobutamina 4-6 mcg/kg/min; amiodarona 3 mg/kg durante dos horas, con dosis de mantenimiento de 5 mg/kg/día; y furosemida 0.5 mg/kg. Amiodarona, dobutamina y furosemida se administraron durante las primeras 48 horas. Bloqueante betaadrenergicos e inhibidores de la enzima convertidora de la angiotensina se administraron hasta 48 tras la internación, una vez que el estado clínico había mejorado y la fracción de eyección ventricular izquierda se hallaba superior a un 0,35%. RESULTADOS: Al ingreso, la dosificación de la norepinefrina fue 1727,50± 794,96 pg/ml, la de troponina I 24,53 ± 14,09 ng/ml y la fracción de eyección del ventrículo izquierdo fue 0,20 ± 0,056. Tras 12 horas, los niveles séricos de norepinefrina y de troponina I disminuyeron para la mitad de los valores iniciales y la fracción de eyección aumentó para 0,32 ± 0,059. Durante las 24 y 48 horas subsiguientes, la fracción de eyección se elevó para 0,46 ± 0,045 (pBACKGROUND: Children with scorpion envenomation have massive sympathetic activation and variable degrees of left ventricular systolic dysfunction. OBJECTIVE: To evaluate a rescue protocol for children with severe left ventricular dysfunction secondary to scorpion envenomation. METHODS: Four children, after scorpion envenomation, were subjected to a rescue protocol for acute left ventricular dysfunction: Endotracheal intubation and respiratory assistance, electrocardiograms, chest x-Ray, echocardiograms and blood samples for norepinephrine and troponin I serum levels. Samples and echocardiograms were repeated at 12, 24 and 48 hours. Intravenous medications: Dobutamine: 4-6 μg/kg/min. Amiodarone: 3 mg/kg during a 2 hour period. Maintenance: 5 mg/kg/day. Furosemide: 0.5 mg

  11. Diplopía y ptosis palpebral izquierda como primera manifestación de metástasis hipofisarias de adenocarcinoma pulmonar Diplopia and left palpebral ptosis as a first manifestation of hypophysary metastases of pulmonary adenocarcinoma

    Directory of Open Access Journals (Sweden)

    S. Junquera

    2012-04-01

    Full Text Available Paciente sin antecedentes patológicos de interés que debuta con diplopía y ptosis palpebral izquierda como primera manifestación de metástasis hipofisarias de un cáncer de origen pulmonar ampliamente diseminado y no conocido previamente. El diagnóstico se hizo con pruebas de imagen específicas del área hipofisaria en donde se apreció una neoformación en silla turca, que invadía el seno cavernoso izquierdo con erosión del dorso selar, junto con la presencia de nódulos pulmonares y múltiples adenopatías, además del estudio histológico de las lesiones. Se detectó un hipogonadismo hipogonadotropo como única alteración hormonal debido a la infiltración de la hipófisis anterior por las metástasis óseas en la base del cráneo. El paciente, a pesar de recibir varias sesiones de radioterapia, sufrió un deterioro neurológico progresivo falleciendo a las pocas semanas.A patient, without significant previous medical history, who started with diplopia and left palpebral ptosis as the first manifestation of hypophysary metastases of a widely disseminated and previously undetected cancer of pulmonary origin. Together with a histological study of the lesions, the diagnosis was made with specific image tests of the hypophysary area, which detected a neoformation in the sella turca that was invading the left cavernous sinus with erosion of the verso of the sellar, together with the presence of pulmonary nodules and numerous adenopathies. An hypogonadotropic hypogonadism was detected as the only hormonal alteration due to the infiltration of the anterior hypophysis due to the osseous metastases at the base of the cranium. The patient, in spite of receiving several weeks of radiotherapy, suffered a progressive neurological deterioration and died after a few weeks.

  12. Longevity of Lake Superior lake trout

    Science.gov (United States)

    Schram, Stephen T.; Fabrizio, Mary C.

    1998-01-01

    The age structure of mature lake trout Salvelinus namaycush from the Wisconsin waters of Lake Superior increased following a population recovery that has taken place since the 1960s. As the population aged, it became apparent that scales were unreliable aging structures. Beginning in 1986, we examined both scale and sagittal otolith ages from tagged fish with a known period at liberty. We found large discrepancies in scale and sagittal otolith ages of mature fish, such that scale ages were biased low. We estimated lake trout living up to 42 years, which is greater than previously reported from Lake Superior. Investigators studying lake trout population dynamics in the Great Lakes should be aware that lake trout can live longer than previously thought.

  13. Exploring the word superiority effect using TVA

    DEFF Research Database (Denmark)

    Starrfelt, Randi

    Words are made of letters, and yet sometimes it is easier to identify a word than a single letter. This word superiority effect (WSE) has been observed when written stimuli are presented very briefly or degraded by visual noise. It is unclear, however, if this is due to a lower threshold...... for perception of words, or a higher speed of processing for words than letters. We have investigated the WSE using methods based on a Theory of Visual Attention. In an experiment using single stimuli (words or letters) presented centrally, we show that the classical WSE is specifically reflected in perceptual...... processing speed: words are simply processed faster than single letters. It is also clear from this experiment, that the word superiority effect can be observed at a large range of exposure durations, from the perceptual threshold to ceiling performance. Intriguingly, when multiple stimuli are presented...

  14. Reperfusion hemorrhage following superior mesenteric artery stenting.

    LENUS (Irish Health Repository)

    Moore, Michael

    2012-02-03

    Percutaneous transluminal angioplasty and stent placement is now an established treatment option for chronic mesenteric ischemia and is associated with low mortality and morbidity rates. We present a case of reperfusion hemorrhage complicating endovascular repair of superior mesenteric artery stenosis. Although a recognized complication following repair of carotid stenosis, hemorrhage has not previously been reported following mesenteric endovascular reperfusion. We describe both spontaneous cessation of bleeding and treatment with coil embolization.

  15. ECONOMICS OF PURCHASING GENETICALLY SUPERIOR BEEF BULLS

    OpenAIRE

    Clary, Gregory M.; Jordan, Johnny W.; Thompson, Carl Eugene

    1984-01-01

    Net present value analysis is used to derive the marginal bid price for a beef herd sire from after-tax net revenues and cash flow influenced by genetic improvements. Marginal bid price represents the additional amount a producer could pay, above the present value of the current beef herd sire, for a sire expected to exhibit superior performance as reflected by increased average weaning weights of offspring. An analysis of the profitability of purchasing a breeding bull for a commercial beef ...

  16. Prenatal diagnosis of interruption of the inferior vena cava by ultrasound%下腔静脉离断产前超声诊断

    Institute of Scientific and Technical Information of China (English)

    姚远; 李胜利; 陈秀兰; 文华轩; 廖玉媚; 肖志莲

    2012-01-01

    目的 探讨胎儿下腔静脉离断产前超声声像图特征和有效诊断切面,以提高其产前超声诊断准确率.方法 回顾性分析我院2006年1月至2010年5月诊断的10例下腔静脉离断胎儿(其中7例经引产后尸体解剖证实)产前超声声像图,与正常超声声像图对比,总结其产前超声声像图特征及有效切面.结果 10例下腔静脉离断胎儿,9例合并严重心内结构畸形,7例合并心外结构畸形(其中5例合并内脏反位).本组10例下腔静脉离断胎儿产前超声声像图均表现为四腔心切面异常(奇静脉扩张)、上腹部横切面异常(正常下腔静脉不能显示)、胸腹部斜冠状切面异常[离断的下腔静脉异位连接于奇(半奇)静脉并穿过膈肌连于腔静脉]及右心房纵切面异常(肝上段下腔静脉入右心房,肾上段肝段间的下腔静脉缺失并离断).结论 下腔静脉离断常合并心内、外结构畸形.下腔静脉离断胎儿在四腔心切面、上腹部横切面、胸腹部斜冠状切面及右心房纵切面上均有特征性超声声像图表现.识别下腔静脉离断特征性超声声像图表现可明显提高其产前超声检出率和诊断准确率.%Objective To investigate ultrasound characteristics and effective diagnosis views of interruption of the inferior vena cava. Methods Between January 2006 and May 2010, 10 fetuses were diagnosed as interruption of the inferior vena cava by ultrasound in our hospital. Seven cases of them were confirmed by autopsy. Their ultrasound images were retrospectively reviewed and compared with normal ones. Results Among the ten fetuses, 9 were complicated with severe cardiac malformations and 7 were complicated with outside cardiac malformations ( including 5 with situ inverse ). For all the 10 cases, dilated venae azygos could be found in four-chamber view, normal inferior vena cava could not be found in the upper abdominal view, inferior vena cava connected with venae azygos or

  17. Right Double Inferior Vena Cava (IVC) with Preaortic Iliac Confluence – Case Report and Review of Literature

    Science.gov (United States)

    Babu, C.S. Ramesh; Lalwani, Rekha; Kumar, Indra

    2014-01-01

    Anomalies of the inferior vena cava (IVC) are uncommon and most of them remain asymptomatic. Though rare, anomalies of IVC can lead to severe hemorrhagic complications especially during aortoiliac surgery. Prior knowledge of these variations facilitates proper interpretation of radiological images and safe performance of interventional procedures and surgeries. During routine anatomical dissection of abdomen in a female cadaver we observed the presence of right sided duplication of IVC. Both IVCs were present on the right side of abdominal aorta, one ventral and the other more dorsal in position and named ventral right IVC and dorsal right IVC. The ventrally and medially placed IVC, which appeared to be the main IVC was formed by the union of two common iliac veins in front of the right common iliac artery (Preaortic iliac confluence-“Marsupial Cava”). The right external iliac vein continued as the more dorsally and laterally placed dorsal right IVC. The right internal iliac vein after receiving a transverse anastomotic vein from the external iliac continued as the right common iliac vein. This transverse anastomosis was present behind the right common iliac artery. The narrower dorsal right IVC joined the wider ventral right IVC just below the level of renal veins to form a single IVC. The abdominal aorta presented a convexity to the left. PMID:24701503

  18. Fontan's circulation with dextrocardia, recent pulmonary embolism, and inferior vena cava filter: Anesthetic challenges for urgent hysterectomy.

    Science.gov (United States)

    Singh, Preet Mohinder; Borle, Anuradha; Ramachandran, Rashmi; Trikha, Anjan; Goudra, Basavana Gouda

    2016-01-01

    Fontan's circulation is a unique challenge for the anesthesiologist. Venous pressure is the only source of blood flow for the pulmonary circulation. Patients with such circulation are extremely sensitive to progression of cyanosis (decreased pulmonary blood flow) or circulatory failure. Any major venous compression can compromise the pulmonary blood flow worsening cyanosis; simultaneously, an increased afterload can precipitate circulatory failure. We present a rare patient of surgically corrected Ivemark syndrome with Fontan's physiology with dextrocardia who developed a large uterine fibroid compressing inferior vena cava (IVC). As a result of compression, not only the pulmonary circulation was compromised but she also developed stasis-induced venous thrombosis in the lower limbs that lead to pulmonary embolism (PE) (increased afterload). In addition to oral anticoagulation an IVC filter was inserted to prevent ongoing recurrent PE. Further, to prevent both circulatory compromise and deep venous thrombosis an urgent myomectomy/hysterectomy was planned. In the present case, we discuss the issues involved in the anesthetic management of such patients and highlight the lacunae in the present guidelines for managing perioperative anticoagulation these situations.

  19. Fontan′s circulation with dextrocardia, recent pulmonary embolism, and inferior vena cava filter: Anesthetic challenges for urgent hysterectomy

    Directory of Open Access Journals (Sweden)

    Preet Mohinder Singh

    2016-01-01

    Full Text Available Fontan′s circulation is a unique challenge for the anesthesiologist. Venous pressure is the only source of blood flow for the pulmonary circulation. Patients with such circulation are extremely sensitive to progression of cyanosis (decreased pulmonary blood flow or circulatory failure. Any major venous compression can compromise the pulmonary blood flow worsening cyanosis; simultaneously, an increased afterload can precipitate circulatory failure. We present a rare patient of surgically corrected Ivemark syndrome with Fontan′s physiology with dextrocardia who developed a large uterine fibroid compressing inferior vena cava (IVC. As a result of compression, not only the pulmonary circulation was compromised but she also developed stasis-induced venous thrombosis in the lower limbs that lead to pulmonary embolism (PE (increased afterload. In addition to oral anticoagulation an IVC filter was inserted to prevent ongoing recurrent PE. Further, to prevent both circulatory compromise and deep venous thrombosis an urgent myomectomy/hysterectomy was planned. In the present case, we discuss the issues involved in the anesthetic management of such patients and highlight the lacunae in the present guidelines for managing perioperative anticoagulation these situations.

  20. Successful cases of difficult inferior vena cava filter retrieval with the use of biopsy forceps: Biopsy forceps technique

    Directory of Open Access Journals (Sweden)

    Masaya Nakashima

    2014-12-01

    Full Text Available Objectives: For treatment and prevention of deep vein thrombosis(DVT and pulmonary embolism(PE, retrievable inferior vena cava(IVC filters have commonly been used as an effective bridge to anticoagulation. However, we experienced unexpected difficulty in endovascular retrieval of some IVC filters. Most problems were due to endovascular treatment devices issues, filter intimal migration, filter disintegration, filter-associated thrombosis, and right atrium/ventricle migration. Methods: Disposable biopsy forceps was used to engage the filter hook and reform the shape of the filter struts. Endovascular retrieval assisted by use of the biopsy forceps via a similar vein was effective and provided a less-invasive, low cost method for removal of problematic IVC filters. Results: We described easily performed methods that uses disposable biopsy forceps for the retrieval of IVC filters that are difficult to remove because of filter hook migration into the caval wall. Conclusion: We developed an easily performed method that uses intestine biopsy forceps for the retrieval of IVC filter that are difficult to remove.

  1. Blood Pool Segmentation Results in Superior Virtual Cardiac Models than Myocardial Segmentation for 3D Printing.

    Science.gov (United States)

    Farooqi, Kanwal M; Lengua, Carlos Gonzalez; Weinberg, Alan D; Nielsen, James C; Sanz, Javier

    2016-08-01

    The method of cardiac magnetic resonance (CMR) three-dimensional (3D) image acquisition and post-processing which should be used to create optimal virtual models for 3D printing has not been studied systematically. Patients (n = 19) who had undergone CMR including both 3D balanced steady-state free precession (bSSFP) imaging and contrast-enhanced magnetic resonance angiography (MRA) were retrospectively identified. Post-processing for the creation of virtual 3D models involved using both myocardial (MS) and blood pool (BP) segmentation, resulting in four groups: Group 1-bSSFP/MS, Group 2-bSSFP/BP, Group 3-MRA/MS and Group 4-MRA/BP. The models created were assessed by two raters for overall quality (1-poor; 2-good; 3-excellent) and ability to identify predefined vessels (1-5: superior vena cava, inferior vena cava, main pulmonary artery, ascending aorta and at least one pulmonary vein). A total of 76 virtual models were created from 19 patient CMR datasets. The mean overall quality scores for Raters 1/2 were 1.63 ± 0.50/1.26 ± 0.45 for Group 1, 2.12 ± 0.50/2.26 ± 0.73 for Group 2, 1.74 ± 0.56/1.53 ± 0.61 for Group 3 and 2.26 ± 0.65/2.68 ± 0.48 for Group 4. The numbers of identified vessels for Raters 1/2 were 4.11 ± 1.32/4.05 ± 1.31 for Group 1, 4.90 ± 0.46/4.95 ± 0.23 for Group 2, 4.32 ± 1.00/4.47 ± 0.84 for Group 3 and 4.74 ± 0.56/4.63 ± 0.49 for Group 4. Models created using BP segmentation (Groups 2 and 4) received significantly higher ratings than those created using MS for both overall quality and number of vessels visualized (p < 0.05), regardless of the acquisition technique. There were no significant differences between Groups 1 and 3. The ratings for Raters 1 and 2 had good correlation for overall quality (ICC = 0.63) and excellent correlation for the total number of vessels visualized (ICC = 0.77). The intra-rater reliability was good for Rater A (ICC = 0.65). Three models were successfully printed

  2. Influência das cavas de extração de areia no balanço hídrico do vale do Paraíba do Sul

    Directory of Open Access Journals (Sweden)

    Benedito Jorge dos Reis

    2006-12-01

    Full Text Available A crescente formação de lagos artificiais oriundos da atividade de extração de areia no Vale do Rio Paraíba do Sul é responsável por alterações ambientais significativas. Nesse trabalho, é investigada a evolução das áreas de cavas de extração de areia e sua influência no balanço hídrico regional. Para isso, foi desenvolvido um banco de dados georreferenciado, na plataforma SPRING, no qual foram inseridas imagens dos satélites Landsat 5 e 7, cenas 218/76 e 219/76, que foram analisadas para fornecer estimativas das áreas das cavas de areia em um período de 11 anos. Com dados da estação climatológica 83784 - UNITAU/INMET e a área total de lagos artificiais, foi possível estimar o volume de água evaporada para atmosfera a partir dos lagos resultantes dessa atividade. Observou-se um crescimento na área de lagos formados pela extração de areia de 591 ha, em 1993 para 1.726 ha, em 2003. A evaporação resultante aumentou em 203% e resultou na evaporação de 19.157.022 m³, no ano de 2003, equivalentes ao abastecimento de uma cidade com mais de 326.000 habitantes, considerando a média de consumo do Estado de São Paulo, que é superior à média Brasileira.The extraction of sand in the valley of the Paraíba do Sul River, carried out in a vulnerable environment, is responsible for significant environmental impacts. This work had the objective of investigating the increase of the total area of lakes created in the mining process for a period of 11 years and of verifying the influence of the evaporation from these lakes on the regional water balance. Thus, a Geographic Information System data basis was implemented using the GIS software package, SPRING, and Landsat imagery. Scenes 218/76 and 219/76 were used for the quantification of the mining areas and for the assessment of the evolution of the activity in the area for a period of 11 years. With data from a local climatological station (UNITAU/INMET-83784 integrated into

  3. Left paraduodenal hernias; Hernias paraduodenales izquierdas

    Energy Technology Data Exchange (ETDEWEB)

    Lopez-Negrete, L.; Garcia-Lozano, J.; Sanchez, J. L.; Tejeiro, A.; Sala, J. [Hospital Valle del Nalon. Riano-Sama. Asturias (Spain)

    2002-07-01

    We report two cases of left paraduodenal internal hernias located in the fossa of Landzert that were diagnosed by CT. Internal hernias are an infrequent cause of acute abdomen, due to the intestinal sub occlusion they produce. Left paraduodenal hernias are responsible for about 50% of internal hernias. CT makes it possible to demonstrate the group of herniated loops between the stomach, fourth segment of the duodenum, descending colon, and tail of the pancreas. The identification of the loops in an atypical position together with displaced blood vessels (mesenteric vessels) and colon gives concerns on them a typical radiological semiology that makes them easily identifiable. (Author) 9 refs.

  4. de educación media superior

    Directory of Open Access Journals (Sweden)

    Enrique Cerón Ferrer

    2007-01-01

    Full Text Available El trabajo presenta los resultados obtenidos en relación al conocimiento y manejo que sobre matemáticas tienen los estudiantes de educación media superior, de los Centros de Estudios Tecnológicos y de Servicios del Distrito Federal, de diferentes carreras que se imparten en estos centros escolares, durante el año 2005. El instrumento de análisis es un cuestionario que contestaron los alumnos, la metodología utilizada es de tipo longitudinal y comparativa.

  5. Superior mesenteric vein aneurysm: a case report.

    Science.gov (United States)

    Truong, Tuan; Vu, Jonathan-Hien; Matteo, Jerry

    2012-01-01

    A 46-year-old female was found to have a saccular superior mesenteric vein (SMV) aneurysm on computed tomography (CT) scan during workup for abdominal pain. It measured 3.5 cm in diameter. The SMV aneurysm was successfully resected, and the SMV was repaired with femoral vein patch angioplasty. She was placed on coumadin for 3 months. At follow-up, the vein patch repair was patent and the patient was doing well with complete resolution of her abdominal pain. PMID:22156158

  6. Radiation treatment of superior sulcus lung carcinoma

    Energy Technology Data Exchange (ETDEWEB)

    Millar, J.; Ball, D.; Worotniuk, V.; Smith, J.; Crennan, E.; Bishop, M. [Peter MacCallum Cancer Inst., East Melbourne, VIC (Australia)

    1996-02-01

    The survival of patients with superior sulcus lung carcinoma and the effects of treatment were reviewed. From a prospective database of 4123 consecutive new patients with lung carcinoma, 131 (3.2%) cases of superior sulcus lung carcinoma were identified. Seventy-four patients were planned to receive radiation with palliative intent, 53 radical radiotherapy and one was observed only. The remaining three patients, with small-cell carcinoma, were treated with chemotherapy with or without radiotherapy. Of the 53 radically treated patients, nine were treated with pre-operative radiation prior to intended radical resection. Analysis was carried out on the effect on survival of performance status, nodal involvement, weight loss, vertebral body or rib involvement, treatment intent and radical combined modality treatment compared with radical radiation alone. The estimated median survival for the whole group was 7.6 months; for those treated radically it was 18.3 months, while for the palliatively treated patients it was 3.7 months. Radically treated patients with no initial nodal involvement had an estimated median survival of 22 months, while radically treated patients with nodal involvement had an estimated median survival of 8.4 months (P = 0.003). There were no statistically significant differences in survival between radically treated patients grouped according to initial weight loss, performance status, or vertebral body and rib involvement. Patients treated with pre-operative radiation did not survive significantly longer than patients treated with radiation alone, although the numbers are small. 33 refs., 2 tabs., 4 figs.

  7. Studies on zooplankton of Lago Paione Superiore

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    Patrizia COMOLI

    1999-08-01

    Full Text Available We report here the results of a three year study on the zooplankton of Lago Paione Superiore, an acid sensitive lake above the tree line in the Italian Alps. The research was carried out within MOLAR, an EC-founded Project on “Measuring and Modeling the dynamic response of remote mountain lakes ecosystems to environmental change”. This study comes after a series of investigations on the effects of acidification, in which we documented the changes occurred with decreasing water pHs, by comparing the recent situation with that in the literature of the 40s, and reconstructed the beginning of anthropogenic disturbance through an analysis of the past cladocera assemblages archived in the lake sediments. A characteristic pattern in seasonal periodicity is a transition from a community dominated by small zooplankton (August to a community where the large particle-feeder Daphnia longispina dominates. This is a typical pattern observed in fishless, copepod-cladocera lakes. Regardless from which food is able to exploit, Daphnia population of Lago Paione Superiore is composed by well-fed organisms, visually rich in lipids, able to produce more than one generation/ year of parthenogenetic females at density levels which are rather high in an oligotrophic high mountain lake.

  8. Xanthogranulomatous Pyelonephritis in a male child with renal vein thrombus extending into the inferior vena cava: a Case Report

    Directory of Open Access Journals (Sweden)

    Kotasthane Vaishali D

    2010-07-01

    Full Text Available Abstract Background We present a case of Xanthogranulomatous pyelonephritis (XGPN in a male child with renal vein thrombus extending into the inferior vena cava. This is a rare presentation. XGPN is a rare type of renal infection characterised by granulomatous inflammation with giant cells and foamy histiocytes. The peak incidence is in the sixth to seventh decade with a female predominance. XGPN is rare in children. Case presentation An 11 year old male child presented with a history of high grade fever and chills, right flank pain and progressive pyuria for two months. He had a history of vesical calculus for which he was operated four years back. In our case, a subcapsular right nephrectomy was performed. The surgical specimens were formalin fixed and paraffin embedded. The sections were stained with routine Hematoxylin & Eosin stain. Grossly; the kidney was enlarged with adherent capsule and thickening of the perinephric tissue. The pelvicalyceal system was dilated and was filled with a cast of pus. Histological evaluation revealed diffuse necrosis of the renal parenchyma and perinephric fat. Neutrophils, plasma cells, sheets of foamy macrophages and occasional multinucleate giant cells were seen. The renal vein was partially occluded by an inflammatory thrombus with fibrin, platelets and mixed inflammatory cells. The thrombus was focally adherent to the vein wall with organization. Conclusions The clinical presentation and the macroscopic aspect, together with the histological pattern, the cytological characteristics addressed the diagnosis towards XGPN with a vena caval thrombus. Our case illustrates that the diagnosis of XGPN should be considered even in paediatric age group when renal vein and vena caval thrombi are present.

  9. Social and Demographic Factors Influencing Inferior Vena Cava Filter Retrieval at a Single Institution in the United States

    Energy Technology Data Exchange (ETDEWEB)

    Smith, S. Christian, E-mail: csmith@aemrc.arizona.edu; Shanks, Candace, E-mail: Candace.Shanks@osumc.edu; Guy, Gregory, E-mail: Gregory.Guy@osumc.edu; Yang, Xiangyu, E-mail: Xiangyu.Yang@osumc.edu; Dowell, Joshua D., E-mail: Joshua.Dowell@osumc.edu [The Ohio State University Wexner Medical Center, Division of Interventional Radiology, Department of Radiology (United States)

    2015-10-15

    PurposeRetrievable inferior vena cava filters (IVCFs) are associated with long-term adverse events that have increased interest in improving filter retrieval rates. Determining the influential patient social and demographic factors affecting IVCF retrieval is important to personalize patient management strategies and attain optimal patient care.Materials and MethodsSeven-hundred and sixty-two patients were retrospectively studied who had a filter placed at our institution between January 2011 and November 2013. Age, gender, race, cancer history, distance to residence from retrieval institution, and insurance status were identified for each patient, and those receiving retrievable IVCFs were further evaluated for retrieval rate and time to retrieval.ResultsOf the 762 filters placed, 133 were permanent filters. Of the 629 retrievable filters placed, 406 met the inclusion criteria and were eligible for retrieval. Results revealed patients with Medicare were less likely to have their filters retrieved (p = 0.031). Older age was also associated with a lower likelihood of retrieval (p < 0.001) as was living further from the medical center (p = 0.027). Patients who were white and had Medicare were more likely than similarly insured black patients to have their filters retrieved (p = 0.024).ConclusionsThe retrieval rate of IVCFs was most influenced by insurance status, distance from the medical center, and age. Race was statistically significant only when combined with insurance status. The results of this study suggest that these patient groups may need closer follow-up in order to obtain optimal IVCF retrieval rates.

  10. MEASUREMENT OF INFERIOR VENA CAVA PARAMETERS IN THE NORMAL ADULT INDIAN POPULATION USING TRANSABDOMINAL ULTRASOUND: A STANDARDISATION STUDY

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    Navin Gnanasekaran

    2016-07-01

    Full Text Available BACKGROUND The study was undertaken with a view to determine various inferior vena cava (IVC parameters such as diameter in inspiration, in expiration, the mean diameter, and the collapsibility index using transabdominal ultrasound (TAS, and thus define the normal range of values for Indian population and derive nomogram values. The study was also undertaken to highlight the variations in the IVC parameters in accordance with various determinants such as age, gender, height, weight, body surface area and body mass index in the study group. METHODS 105 patients comprising of healthy Indian subjects were included in the study. The hepatic portion of the IVC was scanned with ultrasound in axial cross section. The anteroposterior diameter was measured in maximum inspiration and expiration placing the callipers from "inner to inner" wall. The mean diameter and the collapsibility index were then calculated. The resultant data was analysed using student's t test, t test and ANOVA. A 'p value' of less than 0.05 was considered significant. RESULTS Males had significantly higher collapsibility index than the females. Maximal IVC diameters were found in males in the age group of 21 to 30 years, and this was statistically significant with respect to mean IVC diameter and IVC diameter on expiration. In general, across all age groups, the IVC diameter in males was found to be higher. IVC parameters did not show any statistically significant variations with changes in the body surface area or body mass index. CONCLUSIONS TAS is a reliable, cost effective modality to monitor and measure IVC parameters. Variations in IVC parameters across age, gender, height, weight, etc. have been documented. "Nomogram chart of IVC parameters" has been derived for the Indian population and may serve as a standing reference.

  11. Social and Demographic Factors Influencing Inferior Vena Cava Filter Retrieval at a Single Institution in the United States

    International Nuclear Information System (INIS)

    PurposeRetrievable inferior vena cava filters (IVCFs) are associated with long-term adverse events that have increased interest in improving filter retrieval rates. Determining the influential patient social and demographic factors affecting IVCF retrieval is important to personalize patient management strategies and attain optimal patient care.Materials and MethodsSeven-hundred and sixty-two patients were retrospectively studied who had a filter placed at our institution between January 2011 and November 2013. Age, gender, race, cancer history, distance to residence from retrieval institution, and insurance status were identified for each patient, and those receiving retrievable IVCFs were further evaluated for retrieval rate and time to retrieval.ResultsOf the 762 filters placed, 133 were permanent filters. Of the 629 retrievable filters placed, 406 met the inclusion criteria and were eligible for retrieval. Results revealed patients with Medicare were less likely to have their filters retrieved (p = 0.031). Older age was also associated with a lower likelihood of retrieval (p < 0.001) as was living further from the medical center (p = 0.027). Patients who were white and had Medicare were more likely than similarly insured black patients to have their filters retrieved (p = 0.024).ConclusionsThe retrieval rate of IVCFs was most influenced by insurance status, distance from the medical center, and age. Race was statistically significant only when combined with insurance status. The results of this study suggest that these patient groups may need closer follow-up in order to obtain optimal IVCF retrieval rates

  12. Triphlorethol-A from Ecklonia cava Up-Regulates the Oxidant Sensitive 8-Oxoguanine DNA Glycosylase 1

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    Ki Cheon Kim

    2014-10-01

    Full Text Available This study investigated the protective mechanisms of triphlorethol-A, isolated from Ecklonia cava, against oxidative stress-induced DNA base damage, especially 8-oxoguanine (8-oxoG, in Chinese hamster lung fibroblast V79-4 cells. 8-Oxoguanine DNA glycosylase-1 (OGG1 plays an important role in the removal of 8-oxoG during the cellular response to DNA base damage. Triphlorethol-A significantly decreased the levels of 8-oxoG induced by H2O2, and this correlated with increases in OGG1 mRNA and OGG1 protein levels. Furthermore, siOGG1-transfected cell attenuated the protective effect of triphlorethol-A against H2O2 treatment. Nuclear factor erythroid 2–related factor 2 (Nrf2 is a transcription factor for OGG1, and Nrf2 combines with small Maf proteins in the nucleus to bind to antioxidant response elements (ARE in the upstream promoter region of the OGG1 gene. Triphlorethol-A restored the expression of nuclear Nrf2, small Maf protein, and the Nrf2-Maf complex, all of which were reduced by oxidative stress. Furthermore, triphlorethol-A increased Nrf2 binding to ARE sequences and the resulting OGG1 promoter activity, both of which were also reduced by oxidative stress. The levels of the phosphorylated forms of Akt kinase, downstream of phosphatidylinositol 3-kinase (PI3K, and Erk, which are regulators of OGG1, were sharply decreased by oxidative stress, but these decreases were prevented by triphlorethol-A. Specific PI3K, Akt, and Erk inhibitors abolished the cytoprotective effects of triphlorethol-A, suggesting that OGG1 induction by triphlorethol-A involves the PI3K/Akt and Erk pathways. Taken together, these data indicate that by activating the DNA repair system, triphlorethol-A exerts protective effects against DNA base damage induced by oxidative stress.

  13. Efficacy and Safety of Endovascular Intervention for the Management of Primary Entire-Inferior Vena Cava Occlusion

    Energy Technology Data Exchange (ETDEWEB)

    Zhang, Qingqiao, E-mail: 1427286069@qq.com; Huang, Qianxin, E-mail: 18705206105@163.com; Shen, Bin, E-mail: 753021357@qq.com; Sun, Jingmin, E-mail: 383937658@qq.com; Wang, Xiaolong, E-mail: 781198238@qq.com; Liu, Hongtao, E-mail: hongtao6@vip.sina.com [The Affiliated Hospital of Xuzhou Medical College, Department of Interventional Radiology and Vascular Surgery (China)

    2015-06-15

    PurposeThis study was designed to investigate the safety and efficacy of endovascular intervention for the treatment of primary entire-inferior vena cava (IVC) occlusion.MethodsEndovascular interventions were performed in six patients for the treatment of primary entire-IVC occlusion. IVC and hepatic venography were performed via the jugular and femoral veins. Balloon angioplasty was used to revascularize the hepatic vein and IVC and a stent was placed in the IVC to maintain patency. Postoperative color Doppler ultrasonography was performed at 1, 3, 6, and 12 months, and then annually, to monitor the patency of the hepatic vein and IVC.ResultsThe IVC and one or two hepatic veins were successfully revascularized in five patients. Revascularization was successful in the right and left hepatic veins in one patient; however, IVC patency could not be established in this patient. Eleven Z-type, self-expanding stents were placed into the IVCs of five patients (three stents in two patients, two stents in two patients, and one stent in one patient). There were no instances of postoperative bleeding or mortality. Follow-up was conducted for 18–90 months (42.8 ± 26.5 months). None of the five patients suffered restenosis of the IVC or hepatic veins. However, there was one of the six cases of right hepatic vein restenosis at 18 months postprocedure that was revascularized after a second balloon dilatation.ConclusionsEndovascular intervention is safe and efficacious for the treatment of primary entire-IVC occlusion.

  14. Mechanism for the tilting of Geunther Tulip inferior vena cava filter inserted via femoral vein: an experimental study in vitro

    International Nuclear Information System (INIS)

    Objective: To clarify the mechanism causing the tilting of Geunther Tulip inferior Vena Cava filter (GTF) which is inserted via femoral vein access by means of the experiment in vitro. Methods: The caval model was established by placing one 25 mm × 10 cm Dacron graft and two 10 mm × 20 cm Dacron grafts into a transparent bifurcate glass tube. The study consisted of two groups: right straight group (GRS) (n=100) and left straight group (GLS) (n=100). The distance (DCH) between the caval right wall and the hook was measured. The degree of tilting (DT) was classified into 5 grades and the data were recorded. Before and after the GTF was released, the angle (ACM1,2) between the axis of IVC and the metal mount, the distance (DCM1,2) between the caval right wall and the metal mount, the angle (ACF) between the axis of IVC and the axis of the filter and the diameter of IVC (DIVC) were measured separately. Results: The degree of GTF tilting in each group revealed a divergent tendency. In Group RS, the apex of the filter tended to be grade Ⅲ compared that in Group LS (59% vs 36%, P=0.003). The differences in most variables between GRS and GLS were considered as statistical significance. Significant positive correlation existed between ACM1 and ACF, ACM1-ACM2 and DCH1-DCH2 in each group, respectively, while significant negative association was also existed between DCH1 and ACF in each group. Conclusion: The tilting angle of GTF filter axis before it is released is a major cause of the occurrence of femoral GTF filter tilting. (authors)

  15. Impact of intra-abdominal pressure on retrohepatic vena cava shape and flow in mechanically ventilated pigs

    International Nuclear Information System (INIS)

    Conflicting results have been found regarding correlations between right atrial pressure (RAP) and inferior vena cava (IVC) diameter in mechanically ventilated patients. This finding could be related to an increase in intra-abdominal pressure (IAP). This study was designed to clarify whether variations in IVC flow rate caused by positive pressure ventilation are associated with changes in the retrohepatic IVC cross-section (ΔIVC) during major changes in volume status and IAP. Nine pigs were anesthetized, mechanically ventilated and equipped. IAP was set at 0, 15 and 30 mmHg during two conditions, i.e. normovolemia and hypovolemia, generated by blood removal to obtain a mean arterial pressure value lower than 60 mmHg. At each IAP increment, cardiac output, IVC flow and surface area were respectively assessed by flowmeters and transesophageal echocardiography. At normal IAP, even in presence of respiratory changes in IVC flows, no ΔIVC were observed during the two conditions. At high IAP, neither ΔIVC nor modulations of IVC flow were observed whatever the volemic status. The majority of animals with an IVC area of less than 0.65 cm2 showed evidence of IAP greater than RAP values. Negative RAP–IAP pressure gradients were found to occur with an IVC area of less than 0.65 cm2, suggesting that IVC dimensions determined using standard ultrasound techniques may indicate the direction of the RAP–IAP gradient. The clinical relevance of the present findings is that volume status should not be estimated from retrohepatic IVC dimensions in cases of high IAP. (paper)

  16. Follow-Up of 6 Patients with Permanent ; Vena Cava Filters in the Prevention of Pulmonary Embolism

    Directory of Open Access Journals (Sweden)

    M. Vahedian

    2011-10-01

    Full Text Available Introduction & Objective: Venous thromboembolic disease is a significant cause of morbidity and mortality in the United States. Deep venous thrombosis (DVT and pulmonary embolism (PE are a spectrum of a single disease entity. In most clinical situations, anticoagulation is the preferred form of therapy .IVC filter placement when using anticoagulation therapy is contraindicated or proves ineffective. The placement of an IVC filter is considered standard preventive treatment for PE. The aim of this study was follow up of patients with permanent vena cava filters in the prevention of pulmonary embolism after six months. Materials & Methods: In this cross sectional study 6 patients with IVC filter were followed up after 6 months. They were examined about having emboli, reccurent DVT, edema, varicosis, bleeding, misplacement, and fracture of filter. Data were analyzed with SPSSV17. Results: 6 patients having a mean age of 58.6 years were evaluated. There was no difference in sex . The reason of admission in all cases was DVT. Doppler sonography was done for all the patients. In 66.66% anticoagulation therapy was done before surgery. The filter was placed percutaneously in all cases. After 6 months in 5 cases there were no signs of DVT, PE, edema, and varicosis. In addition one patient died because of respiratory arrest due to encephalopathy. No complications were seen during admission period. Conclusion: Although IVC filter increases the risk of recurrent DVT in the long term ,it remarkablely decreases the risk of PE.IVC filter is a useful and effective treatment in patients with contraindication of using anticoagulation therapy especially in patients with cancer. (Sci J Hamadan Univ Med Sci 2011;18(2:29-32

  17. Efficacy of Lower-Extremity Venous Thrombolysis in the Setting of Congenital Absence or Atresia of the Inferior Vena Cava

    Energy Technology Data Exchange (ETDEWEB)

    Ganguli, Suvranu, E-mail: sganguli@partners.org; Kalva, Sanjeeva; Oklu, Rahmi; Walker, T. Gregory; Datta, Neil [Massachusetts General Hospital and Harvard Medical School, Division of Vascular Imaging and Intervention, Department of Imaging (United States); Grabowski, Eric F. [Massachusetts General Hospital and Harvard Medical School, Division of Hematology and Oncology, Department of Pediatrics (United States); Wicky, Stephan [Massachusetts General Hospital and Harvard Medical School, Division of Vascular Imaging and Intervention, Department of Imaging (United States)

    2012-10-15

    Purpose: A rare but described risk factor for deep venous thrombosis (DVT), predominately in the young, is congenital agenesis or atresia of the inferior vena cava (IVC). The optimal management for DVT in this subset of patients is unknown. We evaluated the efficacy of pharmacomechanical catheter-directed thrombolysis (PCDT) followed by systemic anticoagulation in the treatment of acute lower-extremity DVT in the setting of congenital IVC agenesis or atresia. Materials and Methods: Between November of 2005 and May of 2010, six patients (three women [average age 21 years]) were referred to our department with acute lower-extremity DVT and subsequently found to have IVC agenesis or atresia on magnetic resonance imaging. A standardized technique for PCDT (the Angiojet Rheolytic Thrombectomy System followed by the EKOS Microsonic Accelerated Thrombolysis System) was used for all subjects. Successful thrombolysis was followed by systemic heparinization with transition to Coumadin or low molecular-weight heparin and compression stockings. Subjects were followed-up at 1, 3, and then every 6 months after the procedure with clinical assessment and bilateral lower-extremity venous ultrasound. Results: All PCDT procedures were technically successful. No venous stenting or angioplasty was performed. The average thrombolysis time was 28.6 h (range 12-72). Two patients experienced heparin-induced thrombocytopenia, and one patient developed a self-limited knee hemarthrosis, No patients were lost to follow-up. The average length of follow-up was 25.8 {+-} 20.2 months (range 3.8-54.8). No incidence of recurrent DVT was identified. There were no manifestations of postthrombotic syndrome. Conclusions: PCDT followed by systemic anticoagulation and the use of compression stockings appears to be safe and effective in relatively long-term follow-up treatment of patients who present with acute DVT and IVC agenesis or atresia.

  18. Resultados inmediatos y a los 5 años de la cirugía de pacientes portadores de lesión del tronco de la coronaria izquierda

    Directory of Open Access Journals (Sweden)

    Rodolfo A. Ahuad Guerrero

    2008-01-01

    Full Text Available AntecedentesLa cirugía de revascularización miocárdica se considera hasta el momento el mejor tratamiento para los pacientes portadores de enfermedad del tronco de la coronaria izquierda (TCI; pese a ello existen pocos datos locales que comuniquen los resultados de esta cirugía.ObjetivosDescribir los resultados inmediatos y a los 5 años de una serie de cirugías coronarias en pacientes con lesiones del TCI.Material y métodosEn el período 2003-2007 se estudiaron 174 cirugías coronarias del TCI realizadas en forma consecutiva en tres servicios quirúrgicos asociados. Se analizaron los resultados quirúrgicos a los 30 días y en el seguimiento hasta 5 años, en los que se tuvieron en cuenta la mortalidad de causa cardiovascular y por otras causas, los eventos cardiovasculares mayores, la necesidad de nueva revascularización y la supervivencia libre de síntomas. Las curvas se compararon con la supervivencia esperada para el mismo grupo de edad y sexo.ResultadosEl 90,8% de los pacientes tuvieron lesiones múltiples. La mortalidad a los 30 días fue del 4,0%, similar a la esperada según el EuroSCORE (6,4%, OR = 0,62, IC 95% 0,21-1,78; p = 0,333, y los eventos cardiovasculares mayores incluyeron 2,9% de infarto y 1,7% de accidente cerebrovascular (ACV. El seguimiento fue de 506 pacientes-años (12 a 60 meses e involucró al 91% de los pacientes. Al considerar la mortalidad cardiovascular, la supervivencia a los 5 años fue del 83,7%, similar a la esperada en la población general. La supervivencia en el mismo plazo descendió al 77,6% cuando se computaron todas las causas de muerte (p = 0,436. La supervivencia a los 5 años libre de angina y de nueva revascularización fue del 72,2% y del 88,1%, respectivamente.ConclusionesEn este estudio observacional de pacientes operados con lesión del TCI se demostró una mortalidad quirúrgica algo inferior a la calculada con el EuroSCORE y una tasa de ACV e infarto de entre el 1,7% y el 2,9%. El

  19. [Compensative dilatation of the vena azygos by abnormalities of the vena cava inferior - a contribution to the differential diagnosis of the tumorsuspected right tracheobronchial angle (author's transl)].

    Science.gov (United States)

    Strauss, H J; Strauss, G

    1976-08-01

    Report on 2 patients, with a mediastinal enlargement at the right tracheobronchial angle revealing an ectasis of the orifice of vena-azygos. It could be shown that the enlargement of the vena azygos ist due to an increase of the flow-volume, caused by an abnormal embryonic drainage of the vena cava inferior into the vena azygos. The diagnostic possibilities for differentiation from vascular and nonvascular space-occupying processes in that region are discussed. An exact diagnosis is possible by angiography. PMID:1020364

  20. Renal Sinus Fat Invasion and Tumoral Thrombosis of the Inferior Vena Cava-Renal Vein: Only Confined to Renal Cell Carcinoma

    Directory of Open Access Journals (Sweden)

    Turker Acar

    2014-01-01

    Full Text Available Epithelioid angiomyolipoma (E-AML, accounting for 8% of renal angiomyolipoma, is usually associated with tuberous sclerosis (TS and demonstrates aggressive behavior. E-AML is macroscopically seen as a large infiltrative necrotic tumor with occasional extension into renal vein and/or inferior vena cava. However, without history of TS, renal sinus and venous invasion E-AML would be a challenging diagnosis, which may lead radiologists to misinterpret it as a renal cell carcinoma (RCC. In this case presentation, we aimed to report cross-sectional imaging findings of two cases diagnosed as E-AML and pathological correlation of these aforementioned masses mimicking RCC.

  1. Feeling superior is a bipartisan issue: extremity (not direction) of political views predicts perceived belief superiority.

    Science.gov (United States)

    Toner, Kaitlin; Leary, Mark R; Asher, Michael W; Jongman-Sereno, Katrina P

    2013-12-01

    Accusations of entrenched political partisanship have been launched against both conservatives and liberals. But is feeling superior about one's beliefs a partisan issue? Two competing hypotheses exist: the rigidity-of-the-right hypothesis (i.e., conservatives are dogmatic) and the ideological-extremism hypothesis (i.e., extreme views on both sides predict dogmatism). We measured 527 Americans' attitudes about nine contentious political issues, the degree to which they thought their beliefs were superior to other people's, and their level of dogmatism. Dogmatism was higher for people endorsing conservative views than for people endorsing liberal views, which replicates the rigidity-of-the-right hypothesis. However, curvilinear effects of ideological attitude on belief superiority (i.e., belief that one's position is more correct than another's) supported the ideological-extremism hypothesis. Furthermore, responses reflecting the greatest belief superiority were obtained on conservative attitudes for three issues and liberal attitudes for another three issues. These findings capture nuances in the relationship between political beliefs and attitude entrenchment that have not been revealed previously. PMID:24096379

  2. MRI manifestations of enlarged superior ophthalmic vein

    Institute of Scientific and Technical Information of China (English)

    WEI Rui-li; MA Xiao-ye; CAI Ji-ping; ZHU Huang

    2002-01-01

    Objective:To assess MRI in the evaluation of enlarged superior ophthalmic vein (SOV). Methods: MRI manifestations and etiology of forty-six patients with enlarged SOV were analyzed. Results: SOV enlargement was noted to occur in carotid-cavernous fistula, ophthalmic Graves'disease, Tolosa-Hunt syndrome, inflammation at the apex of the orbit, orbital pseudotumor and thrombosis of cavernous sinus. The dilated vein appeared as signal void tubular shadows on both T1 and T2 weighted images. The diameter of the enlarged vein was 3.5-6.0 mm. Extraocular muscle enlargement, orbital pathologies, enlarged carotid cavernous sinus etc were also revealed by MRI. Conclusion: The dilated SOV may be well demonstrated by MRI. The etiological diagnosis of enlarged SOV can be made in combination with the associated findings.

  3. Superiority: China Mobile in the competition

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    The market share between China Mobile and China Unicom has stabilized since 2002.It is found that China Mobile has the superiority in the competition, for example, the scissors movement between its revenue and cost indicates that it has a strong profit generating ability and there is enough room for it to reduce the price.The ratio between its price (marginal income) and marginal cost indicates that there is a very distant limit for it to reduce the price.Its demand is obviously flexible with the price, but it does not use the price weapon abundantly.The reason for the stabilization of the market is that China Mobile withdrew from the competition.

  4. ANATOMIC RESEARCH OF SUPERIOR CLUNIAL NERVE TRAUMA

    Institute of Scientific and Technical Information of China (English)

    1999-01-01

    In order to find the mechanism of superior clunial nerve (SCN) trauma, we dissected and revealed SCN from 12 corpses (24 sides). Combining 100 sides of SCN trauma, we inspected the course of SCN, the relation between SCN and it's neighbour tissues with the situation of SCN when being subjected to force. We found that the following special anatomic characteristics and mechanical elements such as the course of SCN, it's turning angles, the bony fibrous tube at the iliac crest, the posterior layer of the lumbodorsal fascia and SCN neighbour adipose tissue, are the causes of external force inducing SCN trauma. The anatomic revealment is the guidance of SCN trauma treatment with edged needle.

  5. Lightning activity during the 1999 Superior derecho

    Science.gov (United States)

    Price, Colin G.; Murphy, Brian P.

    2002-12-01

    On 4 July 1999, a severe convective windstorm, known as a derecho, caused extensive damage to forested regions along the United States/Canada border, west of Lake Superior. There were 665,000 acres of forest destroyed in the Boundary Waters Canoe Area Wilderness (BWCAW) in Minnesota and Quetico Provincial Park in Canada, with approximately 12.5 million trees blown down. This storm resulted in additional severe weather before and after the occurrence of the derecho, with continuous cloud-to-ground (CG) lightning occurring for more than 34 hours during its path across North America. At the time of the derecho the percentage of positive cloud-to-ground (+CG) lightning measured by the Canadian Lightning Detection Network (CLDN) was greater than 70% for more than three hours, with peak values reaching 97% positive CG lightning. Such high ratios of +CG are rare, and may be useful indicators of severe weather.

  6. SUPERIOR MESENTERIC ARTERY SYNDROME - A REVIEW

    Directory of Open Access Journals (Sweden)

    Aneeta

    2014-02-01

    Full Text Available Superior mesenteric artery (SMA syndrome is a rare acquired disorder in which an acute angulation of SMA causes compression and obstruction of the third part of the duodenum between the SMA and the aorta. The diagnosis is usually made by exclusion. A large number of debilita ting conditions leading to a loss of fatty tissue such as anorexia nervosa , malabsorption , or hyper catabolic states like burns , major surgery , severe injuries , or malignancies can cause this syndrome. To our knowledge there are no cases reported in the In dian literature , though many such cases are being diagnosed and successfully treated the world over. We recently diagnosed and successfully treated a patient of S.M.A. syndrome in Shri Aurobindo Institute of Medical S ciences , Medical College and Post - G radu at e I nstitute. We take the opportunity to review the literature on S.M.A. syndrome

  7. The management of superior sulcus tumors

    Energy Technology Data Exchange (ETDEWEB)

    Komaki, Ritsuko; Cox, J.D.; Putnam, J.B. Jr [Texas Univ., Houston, TX (United States). Anderson Cancer Center] (and others)

    2001-09-01

    Superior sulcus tumors are a rare type of lung cancer arising in the apex of the lung above the sulcus and cause specific symptoms and signs depending on the location and whether the tumor extends into the surrounding structures. Because of the closeness of critical structures to the tumor (e.g., the subclavian artery for anterior lesions, the brachial plexus for lesions in the middle location, and the sympathetic stellate ganglion causing Horner's syndrome [Pancoast's tumor], the vertebral bodies, nerve foramen, and spinal cord for posterior lesions), superior sulcus tumors were often considered marginally respectable or unresectable. Therefore, for many years, preoperative radiation therapy was considered routine treatment for those tumors. However, with the evolution in our understanding of these tumors and modern imaging techniques such as computerized tomography (CT) and magnetic resonant imaging (MRI) and surgical techniques, there is now considerable debate about the roles and timing of surgical resection, radiation therapy, and chemotherapy in the treatment of patients with these tumors. If mediastinoscopy reveals microscopic mediastinal lymph node involvement, the patient can be treated with preoperative concurrent chemoradiotherapy followed by surgery. If there was a gross mediastinal lymph node involvement (N2) on CT, N3 or T4 lesions, the patient can be treated with concurrent chemoradiotherapy with a curative intent; the outcome of such treatment appears to be better than that of sequential chemotherapy followed by radiation therapy. Whenever possible, without compromising the patient's quality of life, surgery should be considered to improve outcome. (author)

  8. RIGHT SUPERIOR POLAR ARTERY ARISING FROM AORTA

    Directory of Open Access Journals (Sweden)

    Sreekanth

    2013-05-01

    Full Text Available ABSTRACT: The renal vasculature was always a subject of varia tions both in the number and pattern of portal of entry into kidney and Perihilar placement of the artery, vein and pelvis. Good anatomical insight is an essential prerequisite besides the surgical expertise. The cadaveric dissection at Shadan Institute of Medical Sciences, Teaching Hospital and Research Centre, revealed superior / upper polar artery arising from the lateral aspect of the aorta just proximal to the origin of Main Renal Artery (MRA. T he main renal artery and the accessory renal artery had almost a common point of origin. Th e peri-hilar segmentation of the main renal artery was a fork like pattern. One of the segmental arteries was long and had its portal of entry into the kidney by perforating the capsule of the ant erior substance of the kidney. The remaining segmental branches had their portal of ent ry through the hilum. The lower two segmental branches were placed anterior to the main renal vein causing altered hilar anatomy. A thorough knowledge of the frequently to the rarel y occurring wide range of variations of renal vasculature has significance in exploration and trea tment of renal trauma, renal transplantation, renal artery embolization, surgery for abdominal ao rtic aneurysm and conservative or radical renal surgery. Such a rare variation including the combination of extra renal peri-hilar segmentation of MRA with superior polar artery is wor thy of concern to the urologists harvesting kidneys from the live donors for performi ng transplantation procedures, partial nephrectomies for the hilar tumors and for Radiologi sts during interpretation of the angiograms

  9. Arthroscopic Superior Capsule Reconstruction for Irreparable Rotator Cuff Tears.

    Science.gov (United States)

    Petri, Maximilian; Greenspoon, Joshua A; Millett, Peter J

    2015-12-01

    Massive irreparable rotator cuff tears in young patients are a particular challenge for the orthopaedic surgeon. Surgical treatment options include debridement, partial rotator cuff repair, patch-augmented rotator cuff repair, bridging rotator cuff reconstruction with graft interposition, tendon transfer, and reverse total shoulder arthroplasty. Recently, reconstruction of the superior glenohumeral capsule using a fascia lata autograft has been suggested to reduce superior glenohumeral translation and restore superior stability. Promising clinical results have been reported in 1 case series of 23 patients, indicating that superior capsular reconstruction may be a promising tool to manage massive irreparable rotator cuff tears. This article describes our preferred technique for arthroscopic superior capsule reconstruction. PMID:27284506

  10. Sobre el dominio territorial como requisito del elemento político en la definición de los crímenes de lesa humanidad. Un análisis enfocado en la calificación jurídica de los actos de la izquierda armada en Argentina

    Directory of Open Access Journals (Sweden)

    Juan Francisco Iosa

    2014-03-01

    Full Text Available Ofrezco primero una caracterización  de la teoría de los dos demonios. Esta teoría, tras gozar del rol de discurso de Estado luego de la recuperación democrática en Argentina, ha sido explícitamente rechazada en la segunda generación de juicios: aquí se consideró que sólo los militares (no las organizaciones de izquierda cometieron crímenes contra la humanidad. Mi interés está centrado en evaluar las razones que sustentan esa distinción. Con vistas a ese fin, segundo, presento la figura de los crímenes contra la humanidad tal como está fijada en el Estatuto de Roma y distingo cuatro concepciones relativas a cómo debe delinearse su  elemento político. Tercero, reconstruyo la interpretación que la Corte y los tribunales argentinos hacen de los requisitos necesarios para que un delito califique como crimen contra la humanidad. Hago foco en  el elemento político y específicamente en las condiciones que una organización debe satisfacer para ser capaz de cometer dichos crímenes. Cuarto, comparo las decisiones argentinas con las tomadas por las cortes internacionales. Quinto, ofrezco una reconstrucción de los requisitos que a mi entender deben ser tenidos en cuenta (según la concepción normativa que considero correcta en la definición legal de los crímenes contra la humanidad. Con esta herramienta conceptual en mano evalúo las decisiones jurisprudenciales mencionadas más arriba. Por último, presento la que considero como la calificación jurídica adecuada de los delitos cometidos por la izquierda armada en los setenta. 

  11. [On the venous system in the retroperitoneal region (a contribution to the persistence of the primitive vena cava system) (author's transl)].

    Science.gov (United States)

    Besier, H; Stofft, E

    1977-01-01

    A vasal anomaly in the region of the Vena cava inferior is being described in the corpse of a 25-year-old man. 1. In the course of development the V. subcardinalis has not been joined to the Pars hepatica of the V. cava inferior, which originates from the V. hepatis revehens communis. In our case the Anastomosis intersubcardinalis remains and is subjected to a slight retroaortal displacement to the left. 2. Among the Vv. sacrocardinales the V. sacrocardinalis sinistra, which ought to involute after the sixth embryonal week, has been retained together with the Anastomosis intersacrocardinalis. 3. The Vv. supracardinales are connected with the intersubcardinal anastomosis and the intersupracardinal transversal anastomosis has been retained. 4. The Vv. caudales end in the Anastomosis sacrocardinalis at a point before the Sacrum and the Anastomosis intercaudalis has been retained, too. 5. The caudal section of the right lower cardinal vein in its prerenal part is retained with an anastomosis to the right subcardinal vein. 6. The portal blood of the liver is directly distributed to the atrium dextrum after it has passed through three Vv. hepaticae. The Lig. venosum is intrahepatic and is joined to the Vv. hepaticae. 7. The primitive bilateral-symmetric veinous system of the caudal half of the body continues to exist almost completely. PMID:603065

  12. Percutaneous closure of huge patent ductus arterious associated with anomalous inferior vein cava drainage and dextrocardia with muscular ventricular septal defect occluder

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    @@ Transcatheter occlusion of patent ductus arterious (PDA) using various occluders and coils has been a well-established method1-5 since Porstmann and colleagues6 reported the first case in 1967. However, when patients associated with anomalous inferior vein cava drainage or/and huge high pulmonary artery pressure ductus (HPAP-PDA), the method is not suitable. First, it is unfeasible to carry out the procedure via femoral vein. Second, in the presence of high pulmonary artery pressure such devices including the Amplatzer ductu occluder carry the risk of embolising into the aorta.7 The muscular ventricular septal defect occluder (MVSDO), which is a device for transcatheter closure of muscular ventricular septal defect, may be more suitable for using with HPAP-PDA as its double disk tends to anchor the device, preventing embolisation into the aorta. We present a patient, who is suffering from huge PDA associated with anomalous inferior vein cava drainage and dextrocardia, in whom percutaneous closure of PDA using MVSDO was successfully accomplished via transjugular approach.

  13. Ultrasonic diagnosis of dextrocardia combined with endocardial cushion defects, bilateral superior vena cava and absence of inferior vena cava hepatic segment: report of one case%彩超诊断右位心、心内膜垫缺损、双上腔静脉、下腔静脉肝段缺如1例

    Institute of Scientific and Technical Information of China (English)

    邵嘉涛; 刘悦; 李萍

    2012-01-01

    病例男,29岁.因自幼发现心脏杂音,活动后胸闷、气促人院.查体:口唇颜色正常,颈静脉充盈,胸廓右侧隆起,心尖搏动在剑下及右前胸明显,较弥散,未触及震颤,胸骨左右缘第3~4肋间及心尖部均可闻及收缩期杂音,最强部位位于心尖部,约Ⅲ~Ⅳ级.

  14. Radical surgery for Budd-Chiari syndrome through exposure of the entire inferior vena cava of the hepatic segment

    Institute of Scientific and Technical Information of China (English)

    ZHANG Xiao-ming; LI Qing-Le

    2007-01-01

    Background Several kinds of radical surgery for the treatment of Budd-Chiari syndrome (BCS) have been devised. We have described preliminary efforts to treat BCS using a novel radical resection technique to expose the entire inferior vena cava (IVC) of the hepatic segment.Methods Sixty patients with BCS were treated by radical resection, including 46 men and 14 women. BCS patients ranged in age from 11 to 62 years, with 3 months to 11 years since the BCS diagnosis. The lesions included membrane occlusion of the IVC in 16 patients, double membranes within the IVC in 2 patients, double membranes within the IVC and the hepatic vein (HV) in 3 patients, IVC membrane with distal thrombosis in 10 patients, long segment thrombosis of the IVC in 5 patients (organized thrombosis in 2 patients, fresh thrombosis in 3 patients), occlusion of the outlet of the HVs due to mural thrombosis in 2 patients, segmental occlusion of the IVC in 3 patients, membranes within the HV with IVC stenosis due to protrusion of HV stent in 1 patient, HV membranes in 11 patients, extensive occlusion of HVs in 1 patient, the whole IVC tumor thrombus with tumor thrombus of 2/3 right atrium resulting from a posterior peritoneum tumor in 1 patient, IVC leiomyosarcoma in 2 patients, IVC leiomyosarcoma with tumor thrombus into 1/2 right atrium in 1 patient, IVC thrombosis extending into right atrium in 1 patient, compression of supra-hepatic segment of IVC due to fiber trabs in 1 patient.Results All lesions were successfully resected under direct supervision. Three procedures were performed under extracorporeal circulation, 52 patients with catheterization of the right atrium, 4 patients with a cell saver, and one patient with auto-retrieval of blood. The retrieved blood was from 300 ml to 4000 ml. Transfusion of banked blood was from 400 ml to 2000 ml for 14 patients. For the other patients no transfusion of banked blood was required. One patient died of renal failure peri-operatively. Newly formed IVC

  15. Large cell non-Hodgkin's lymphoma masquerading as renal carcinoma with inferior vena cava thrombosis: a case report

    Directory of Open Access Journals (Sweden)

    Weissman Alan

    2011-06-01

    Full Text Available Abstract Introduction Many cancers are associated with inferior vena cava (IVC obstruction, but very few cancers have the ability to propagate within the lumen of the renal vein or the IVC. Renal cell carcinoma is the most common of these cancers. Renal cancer with IVC extension has a high rate of recurrence and a low five year survival rate. Case presentation A 62-year-old Caucasian woman previously in good health developed the sudden onset of severe reflux symptoms and right-sided abdominal pain that radiated around the right flank. A subsequent ultrasound and CT scan revealed a right upper pole renal mass with invasion of the right adrenal gland, liver, left renal vein and IVC. This appeared to be consistent with stage III renal cancer with IVC extension. Metastatic nodules were believed to be present in the right pericardial region; the superficial anterior abdominal wall; the left perirenal, abdominal and pelvic regions; and the left adrenal gland. The pattern of these metastases, as well as the invasion of the liver by the tumor, was thought to be atypical of renal cancer. A needle biopsy of a superficial abdominal wall mass revealed a surprising finding: The malignant cells were diagnostic of large-cell, B-cell non-Hodgkin's lymphoma. The lymphoma responded dramatically to systemic chemotherapy, which avoided the need for nephrectomy. Conclusion Lymphomas only rarely progress via intraluminal vascular extension. We have been able to identify only one other case report of renal lymphoma with renal vein and IVC extension. While renal cancer would have been treated with radical nephrectomy and tumor embolectomy, large-cell B-cell lymphomas are treated primarily with chemotherapy, and nephrectomy would have been detrimental. It is important to remember that, rarely, other types of cancer arise from the kidney which are not derived from the renal tubular epithelium. These may be suspected if an atypical pattern of metastases or unusual

  16. 镜像右位心、法乐氏五联症并双上腔静脉1例%A mirror-image dextrocardia, pentalogy of Fallot and double superior vena cava: case report

    Institute of Scientific and Technical Information of China (English)

    王凤臣; 钟震亚; 王维峰; 赵振富; 李梅秀

    2009-01-01

    @@ 该尸为幼儿女性,身长75 cm,体重8.4kg,约18个月,营养状态中等. 1 心脏的位置、形态 1.1 右位心 心脏及心包的周围毗邻关系正常,其约4/5位于正中线的右侧胸廓内,1/5位于正中线的左侧.心尖伸向右前下方,心脏的长轴长61 mm,明显偏于胸腔的右侧.

  17. Text legibility and the letter superiority effect.

    Science.gov (United States)

    Sheedy, James E; Subbaram, Manoj V; Zimmerman, Aaron B; Hayes, John R

    2005-01-01

    Effects of font design and electronic display parameters upon text legibility were determined using a threshold size method. Participants' visual acuity (inverse of the minimum detection size, representing the threshold legibility for each condition) was measured using upper- and lowercase letters and lowercase words in combinations of 6 fonts, 3 font-smoothing modes, 4 font sizes, 10 pixel heights, and 4 stroke widths. Individual lowercase letters were 10% to 20% more legible than lowercase words (i.e., lowercase words must be 10%-20% larger to have the same threshold legibility). This letter superiority effect suggests that individual letters play a large role and word shape plays a smaller role, if any, in word identification at threshold. Pixel height, font, stroke width, and font smoothing had significant main effects on threshold legibility. Optimal legibility was attained at 9 pixels (10 points). Verdana and Arial were the most legible fonts; Times New Roman and Franklin were least legible. Subpixel rendering (ClearType) improved threshold legibility for some fonts and, in combination with Verdana, was the most legible condition. Increased stroke width (bold) improved threshold legibility but only at the thinnest width tested. Potential applications of this research include optimization of font design for legibility and readability. PMID:16553067

  18. Functioning pancreas graft with thromboses of splenic and superior mesenteric arteries after simultaneous pancreas-kidney transplantation: a case report.

    Science.gov (United States)

    Matsumoto, I; Shinzeki, M; Asari, S; Goto, T; Shirakawa, S; Ajiki, T; Fukumoto, T; Ku, Y

    2014-04-01

    Graft thrombosis is the most common cause of early graft loss after pancreas transplantation. The grafted pancreas is difficult to salvage after complete thrombosis, especially arterial thrombosis, and graft pancreatectomy is required. We describe a patient presenting with a functioning pancreas graft with thromboses of the splenic artery (SA) and superior mesenteric artery (SMA) after simultaneous pancreas-kidney transplantation (SPK). A 37-year-old woman with a 20-year history of type 1 diabetes mellitus underwent SPK. The pancreaticoduodenal graft was implanted in the right iliac fossa with enteric drainage. A Carrel patch was anastomosed to the recipient's right common iliac artery, and the graft gastroduodenal artery was anastomosed to the common hepatic artery using an arterial I-graft. The donor portal vein was anastomosed to the recipient's inferior vena cava. Four days after surgery, graft thromboses were detected by Doppler ultrasound without increases in the serum amylase and blood glucose levels. Contrast enhanced computed tomography revealed thromboses in the SA, splenic vein and SMA. Selective angiography showed that blood flow was interrupted in the SA and SMA. However, pancreatic graft perfusion was maintained by the I-graft in the head of the pancreas and the transverse pancreatic artery in the body and tail of the pancreas. We performed percutaneous direct thrombolysis and adjuvant thrombolytic therapy. However, we had to stop the thrombolytic therapy because of gastrointestinal hemorrhage. Thereafter, the postoperative course was uneventful and the pancreas graft was functioning with a fasting blood glucose level of 75 mg/dL, HbA1c of 5.1%, and serum C-peptide level of 1.9 ng/mL at 30 months post-transplantation.

  19. Carbon phosphide monolayers with superior carrier mobility

    Science.gov (United States)

    Wang, Gaoxue; Pandey, Ravindra; Karna, Shashi P.

    2016-04-01

    Two dimensional (2D) materials with a finite band gap and high carrier mobility are sought after materials from both fundamental and technological perspectives. In this paper, we present the results based on the particle swarm optimization method and density functional theory which predict three geometrically different phases of the carbon phosphide (CP) monolayer consisting of sp2 hybridized C atoms and sp3 hybridized P atoms in hexagonal networks. Two of the phases, referred to as α-CP and β-CP with puckered or buckled surfaces are semiconducting with highly anisotropic electronic and mechanical properties. More remarkably, they have the lightest electrons and holes among the known 2D semiconductors, yielding superior carrier mobility. The γ-CP has a distorted hexagonal network and exhibits a semi-metallic behavior with Dirac cones. These theoretical findings suggest that the binary CP monolayer is a yet unexplored 2D material holding great promise for applications in high-performance electronics and optoelectronics.Two dimensional (2D) materials with a finite band gap and high carrier mobility are sought after materials from both fundamental and technological perspectives. In this paper, we present the results based on the particle swarm optimization method and density functional theory which predict three geometrically different phases of the carbon phosphide (CP) monolayer consisting of sp2 hybridized C atoms and sp3 hybridized P atoms in hexagonal networks. Two of the phases, referred to as α-CP and β-CP with puckered or buckled surfaces are semiconducting with highly anisotropic electronic and mechanical properties. More remarkably, they have the lightest electrons and holes among the known 2D semiconductors, yielding superior carrier mobility. The γ-CP has a distorted hexagonal network and exhibits a semi-metallic behavior with Dirac cones. These theoretical findings suggest that the binary CP monolayer is a yet unexplored 2D material holding great

  20. The left and the democratic stability in Latin America: the ideology of the Bolivarian Revolution and its impact on the political processes in Venezuela and Latin America Izquierda y estabilidad de la democracia en América latina: la ideología de la revolución bolivariana y su repercusión sobre el proceso político en Venezuela y América latina

    Directory of Open Access Journals (Sweden)

    José Enrique MOLINA V.

    2010-10-01

    Full Text Available One of the main areas of work in Comparative Politics and Political Theory has been the determination of the variables associated with the stability/instability of political systems in general, and democracy in particular. This paper focuses on one of these variables. One with newly acquired importance after the recent electoral successes by the left, but that nevertheless has not been in the spotlight of scholarly analysis: ideological polarization. Particularly, ideological polarization brought about by the attempt to pursue by the government a leftist political project. The main focus is on the ideological project pursued by the Venezuelan Bolivarian Government and its association with the political instability of 2002 and 2003. The paper considers this topic taken into account mainstream theoretical approaches on political stability, and the experience of previous Latin American leftist governments. The paper reaches the conclusion that in Latin America the attempt to implement a socialist program by a democratically elected government, if it is done without meaningful social and political negotiation, and with authoritarian overtones, is likely to lead to intense political instability and to the ultimate failure of the proposed social change. Los factores vinculados a la estabilidad o inestabilidad de los sistemas políticos y la democracia han sido una preocupación central de la política comparada y la teoría política. Este trabajo se centra en analizar un factor que adquiere nueva importancia dado el resurgimiento de la izquierda en América Latina, pero que no ha estado en el centro del debate académico sobre la estabilidad democrática: la polarización ideológica producida por el adelanto de un proyecto político de izquierda desde el gobierno. Su análisis se enmarca en los enfoques teóricos sobre la estabilidad de la democracia y los sistemas políticos. Dentro del contexto de los gobiernos de izquierda en América Latina, se

  1. The Business Value of Superior Energy Performance

    Energy Technology Data Exchange (ETDEWEB)

    McKane, Aimee; Scheihing, Paul; Evans, Tracy; Glatt, Sandy; Meffert, William

    2015-08-04

    Industrial facilities participating in the U.S. Department of Energy’s (US DOE) Superior Energy Performance (SEP) program are finding that it provides them with significant business value. This value starts with the implementation of ISO 50001-Energy management system standard, which provides an internationally-relevant framework for integration of energy management into an organization’s business processes. The resulting structure emphasizes effective use of available data and supports continual improvement of energy performance. International relevance is particularly important for companies with a global presence or trading interests, providing them with access to supporting ISO standards and a growing body of certified companies representing the collective knowledge of communities of practice. This paper examines the business value of SEP, a voluntary program that builds on ISO 50001, inviting industry to demonstrate an even greater commitment through third-party verification of energy performance improvement to a specified level of achievement. Information from 28 facilities that have already achieved SEP certification will illustrate key findings concerning both the value and the challenges from SEP/ISO 50001 implementation. These include the facilities’ experience with implementation, internal and external value of third-party verification of energy performance improvement; attractive payback periods and the importance of SEP tools and guidance. US DOE is working to bring the program to scale, including the Enterprise-Wide Accelerator (SEP for multiple facilities in a company), the Ratepayer-Funded Program Accelerator (supporting tools for utilities and program administrators to include SEP in their program offerings), and expansion of the program to other sectors and industry supply chains.

  2. Superior corrosion resistance by niobium coating

    International Nuclear Information System (INIS)

    Niobium is a reactive metal which passivates spontaneously in many aggressive environments. Niobium metal also has favorable thermal and mechanical properties for use in the chemical process industries as process equipment or ancillary components which require high reliability and extensive service life. Niobium coatings can be used in applications where superior resistance against aqueous corrosion or erosion in hot-gases is needed. In this study the corrosion resistance of electrodeposited niobium on AISI 316 stainless steels in acid media has been studied. The structure and composition of niobium coatings are reviewed. The morphology, microstructure and defects were studied using a scanning electron microscope. In short term experiments the electrolyte was 30% H2SO4 at a temperature of 298 K and during long term measurements the electrolyte was 1 M H2SO4. Both Alternating Current (AC) and Direct Current (DC) electrochemical methods were used to characterize the corrosion behavior of base material and coating-base material system. Short term measurement procedure for coated samples consisted of four different measurements. Polarization resistance values measured by electrochemical impedance spectroscopy showed that the corrosion resistance of niobium coatings was related to the development of a passive layer on the niobium surface. The Long Cyclic Anodic Polarization curves showed that electrodeposited niobium coatings are capable of isolating the substrate material completely from the electrolyte. The Potentiostatic Exertion measurements showed that the corrosion resistance of electrodeposited niobium coatings was five orders of magnitude better than of the base material AISI 316 in 30 % H2SO2 electrolyte

  3. Superior Mesenteric Artery Syndrome. An Infrequent Complications of Scoliosis Surgery.

    OpenAIRE

    Balık, Emre; Keskin, Metin; Akgül, Turgut; Bayraktar, Adem; Dikici, Fatih

    2014-01-01

    Superior mesenteric artery syndrome is a rare condition that causes a proximal small intestinal obstruction due to contraction of the angle between the superior mesenteric artery and the aorta. Scoliosis surgery is one of the 15 reasons for superior mesenteric artery syndrome, which can present with acute or chronic manifestations. Although conservative treatment is usually possible, surgical treatment is required in certain cases that cannot be treated using conservative methods. In this pap...

  4. Superior Mesenteric Artery Syndrome: An Infrequent Complication of Scoliosis Surgery

    Directory of Open Access Journals (Sweden)

    Metin Keskin

    2014-01-01

    Full Text Available Superior mesenteric artery syndrome is a rare condition that causes a proximal small intestinal obstruction due to contraction of the angle between the superior mesenteric artery and the aorta. Scoliosis surgery is one of the 15 reasons for superior mesenteric artery syndrome, which can present with acute or chronic manifestations. Although conservative treatment is usually possible, surgical treatment is required in certain cases that cannot be treated using conservative methods. In this paper, we describe a patient who developed superior mesenteric artery syndrome after scoliosis surgery and was treated with duodenojejunostomy due to failure and complications of conservative treatment.

  5. Warden repair for superior sinus venosus atrial septal defect and anomalous pulmonary venous drainage in children: Anesthesia and transesophageal echocardiography perspective

    Directory of Open Access Journals (Sweden)

    Neelam Aggarwal

    2016-01-01

    Full Text Available Objective: Review of intraoperative anesthetic challenges and the role of transesophageal echocardiography in children with sinus venosus atrial septal defect and partial anomalous pulmonary venous drainage undergoing Warden repair. Design: A retrospective observational case series. Methodolgy: Pediatric patients who underwent Warden repair between October 2011-September 2015 were recruited. Their preoperative clinical details, anesthetic techniques, intraoperative TEE findings and postoperative events were recorded from the medical records. The categorical variables and the continuous variables were expressed as number (percentages and mean ΁ SD respectively. Results: A total of 35 patients were operated for Warden repair during the study period. Anesthesia was induced with the aim to prevent any fall in pulmonary vascular resistance. The right internal jugular vein was cannulated under ultrasound guidance using a short length cannula to monitor right superior vena cava pressure. Intraoperative TEE revealed the drainage of PAPVC high into RSVC in 22 patients. Persistent LSVC was found in 9 patients. After repair, TEE imaging detected a high gradient at Warden anastomotic site in 5 patients and 3 of them required revision of surgery. Rerouted pulmonary veins required surgical correction in 2 patients in view of obstruction. None of them had pulmonary venous and SVC obstruction in the postoperative period. Conclusion: The primary aim of anesthesia is to avoid any fall in PVR. Right IJV cannulation can be beneficial. The intraoperative TEE can help in delineating the anatomy of lesion and detecting anastomotic site obstruction.

  6. Comparison of tricuspid inflow and superior vena caval Doppler velocities in acute simulated hypovolemia: new non-invasive indices for evaluating right ventricular preload

    Directory of Open Access Journals (Sweden)

    Duan Yun-You

    2006-05-01

    Full Text Available Abstract Background Assessment of cardiac preload is important for clinical management of some emergencies related to hypovolemia. Effects of acute simulated hypovolemia on Doppler blood flow velocity indices of tricuspid valve (TV and superior vena cava (SVC were investigated in order to find sensitive Doppler indices for predicting right ventricular preload. Methods Doppler flow patterns of SVC and TV in 12 healthy young men were examined by transthoracic echocardiography (TTE during graded lower body negative pressure (LBNP of up to -60 mm Hg which simulated acute hypovolemia. Peak velocities of all waves and their related ratios (SVC S/D and tricuspid E/A were measured, calculated and statistically analyzed. Results Except for the velocity of tricuspid A wave, velocities of all waves and their related ratios declined during volume decentralization. Of all indices measured, the peak velocities of S wave and AR wave in SVC correlated most strongly with levels of LBNP (r = -0.744 and -0.771, p Conclusion The S and AR velocities are of good values in assessing right ventricular preload. Monitoring SVC flow may provide a relatively noninvasive means to assess direct changes in right ventricular preload.

  7. Word superiority, pseudoword superiority, and learning to read: a comparison of dyslexic and normal readers.

    Science.gov (United States)

    Grainger, Jonathan; Bouttevin, Sébastien; Truc, Cathy; Bastien, Mireille; Ziegler, Johannes

    2003-12-01

    Identification of letters embedded in briefly presented words (e.g., TABLE), pseudowords (e.g., TOBLE), and illegal nonwords (e.g., TPBFE) was measured using the Reicher-Wheeler paradigm. Children diagnosed as dyslexic and showing a clear disadvantage in recognizing and reading aloud words and pseudowords (compared to chronological age-matched controls) showed a pattern of results that was qualitatively identical to both reading age and chronological age control children. In all three groups a small nonsignificant advantage was obtained for letter identification in words compared to pseudowords, and a massive advantage for letter identification in pseudowords compared to illegal nonwords. A group of adult participants tested with the same materials showed the classic word superiority effect as well as a pseudoword advantage over illegal nonwords. These results suggest that the pseudoword superiority effect is subtended by regularities operating at the level of sublexical orthographic representations (orthotactic constraints). This phenomenon could provide a useful tool for future investigations of the development of orthotactic constraints during reading acquisition. PMID:14642545

  8. Non-monotonic repayment contracts are superior: an experimental approach

    OpenAIRE

    Reiss, J.P.; Wolff, I.

    2007-01-01

    We experimentally investigate if theoretically superior non-monotonic repayment contracts yield superior results in the laboratory. We find replacing standard debt contracts with repayment-equivalent non-monotonic contracts increases entrepreneurial income by 170% and total surplus by 30%.

  9. The Development of the Picture-Superiority Effect

    Science.gov (United States)

    Whitehouse, Andrew J. O.; Maybery, Murray T.; Durkin, Kevin

    2006-01-01

    When pictures and words are presented serially in an explicit memory task, recall of the pictures is superior. While this effect is well established in the adult population, little is known of the development of this picture-superiority effect in typical development. This task was administered to 80 participants from middle childhood to…

  10. Phlegmasia Caerulea Dolens in a Patient With an Inferior Vena Cava Filter: Treatment of Massive Iliocaval Thrombosis Using Local Intravenous Catheter-Directed Thrombolysis

    Energy Technology Data Exchange (ETDEWEB)

    Cookson, Daniel, E-mail: danielthomascookson@yahoo.co.uk [Middlemore Hospital, Department of Radiology (New Zealand); Caldwell, Stuart, E-mail: stuart.caldwell@middlemore.co.nz [Middlemore Hospital, Department of Vascular Surgery (New Zealand)

    2012-10-15

    Phlegmasia caerulea dolens (PCD) is a potentially disastrous complication of inferior vena cava filter insertion, and its optimum management has not been clearly established. We present a case report of a patient with pulmonary embolism and acute adrenal haemorrhage who developed PCD secondary to massive iliocaval thrombosis after insertion of a Cook Celect removable filter. Local intravenous catheter-directed thrombolysis (CDT), followed by systemic anticoagulation, achieved limb salvage and virtual resolution of symptoms at 3 months without complications. CDT can be a successful primary treatment of filter-associated PCD and can be safe in selected patients with acute nontraumatic haemorrhage. Systemic anticoagulation may subsequently restore complete venous patency and may therefore be a useful approach to postthrombolysis management of residual iliocaval thrombus when filter removal is indicated.

  11. Pharmacomechanical thrombectomy and catheter-directed thrombolysis of acute lower extremity deep venous thrombosis in a 9-year-old boy with inferior vena cava atresia.

    Science.gov (United States)

    Hamidian Jahromi, Alireza; Coulter, Amy H; Bass, Patrick; Zhang, Wayne W; Tan, Tze-Woei

    2015-04-01

    Lower extremity deep venous thrombosis (DVT) is uncommon in the pediatric population, but it can be associated with severe symptoms and potential long-term morbidity secondary to post-thrombotic syndrome. Inferior vena cava (IVC) atresia can predispose a patient to the development of extremity DVT. There is no clear consensus on optimal management of extensive extremity DVT in pediatric patients, especially in patients with IVC anomalies. We report a case of iliofemoral DVT in a 9-year-old boy with IVC atresia and presumed protein S deficiency that was treated successfully using pharmacomechanical thrombectomy and catheter-directed thrombolysis. He was maintained on long-term anticoagulation and remained symptom free at 6 months' follow-up.

  12. Is the inferior vena cava diameter measured by bedside ultrasonography valuable in estimating the intravascular volume in patients with septic shock?

    Directory of Open Access Journals (Sweden)

    Mortaza Talebi Doluie

    2016-07-01

    Full Text Available Introduction:Resuscitation should be initiated immediately in shock. Early goal-directed therapy is an established algorithm for the resuscitation in septic shock. The first step is to maintain cardiac preload. Central venous pressure (CVP plays an important role in goal-directed therapy. Central venous catheterization is invasive and time-consuming in emergency conditions. There are some alternative and noninvasive methods for estimating the intravascular volume such as measuring the inferior vena cava (IVC diameter by ultrasonography. Methods: We searched PubMed, Google scholar, and Scopus databases with keywords (central venous pressure OR venous pressure OR CVP AND (ultrasonography OR sonography AND (sepsis OR septic shock AND (inferior vena cava OR IVC.Result: The search resulted in 2550 articles. The articles were appraised regarding the relevance, type of article, and statistical methods. Finally, 12 articles were selected. The number of patients was between 30 and 83 cases (mean age=57-67 years, intubated and non-intubated in each study. The IVC diameter was measured in respiratory cycle by bedside ultrasonography in longitudinal subxiphoid view and caval index was calculated, then they were compared with the CVP measured by central venous catheter.Discussion: CVP is an indicator of intravascular fluid status and right heart function. CVP measurement is an invasive method and of course with some complications. The IVC is the biggest vein of venous system with low-pressure; expansion of the vein reflects intravascular volume.Conclusion: It seems that IVC diameter measured by ultrasonography could be used as an alternative method for the determination of CVP in the emergency or critical patients.

  13. Dispersión del QRS como índice de disincronía en el bloqueo de rama izquierda y de sincronía tras la terapia de resincronización cardíaca, una variable de respuesta exitosa / QRS dispersion as an index of dyssynchrony in left bundle branch block and of

    Directory of Open Access Journals (Sweden)

    Elibet Chávez González

    2015-08-01

    Full Text Available Introducción: En pacientes con insuficiencia cardíaca, el bloqueo de rama izquierda del haz de His constituye un importante marcador de mal pronóstico, en ellos la tera-pia de resincronización puede mejorar la función del ventrículo izquierdo. Objetivo: Describir variables electrocardiográficas asociadas a una mejor respuesta de la resincronización cardíaca. Método: Se estudiaron 19 pacientes, 7 mujeres y 12 hombres con bloqueo de rama izquierda y fracción de eyección ≤ 35 %. Se realizó electrocardiograma antes y des-pués de la terapia de resincronización, medición del QRS en las doce derivaciones y cálculo de su dispersión, se midieron voltajes máximos del QRS, y se realizaron eco-cardiografías antes y después del procedimiento. Resultados: La fracción de eyección se incrementó desde 29,8±4,7 hasta 41,2±10,7 % (p=0.000. La correlación lineal entre fracción de eyección y dispersión del QRS a los seis meses de seguimiento fue significativa (r=0.34 y p=0.02; las mujeres presentaron mayor dispersión del QRS (48,0±24,0 vs. 37,14±13,8 ms; p=0.04. Los voltajes del QRS fueron predominantemente negativos en aVR (-0,52±0,58 vs. 0,28±0,42 mvolt; p=0.032 y positivos en V5 (0,71±1,12 vs. -0,15±1,20 mvolt; p=0.023 para los responde-dores en relación con los no respondedores. Conclusiones: La dispersión del QRS incrementada en el electrocardiograma con blo-queo de rama izquierda y la disminución de la dispersión del QRS posresincronización demostraron correlaciones significativas con la fracción de eyección; además, el es-trechamiento del QRS tras la resincronización fue significativo para los respondedo-res. Los voltajes predominantemente positivos en aVR y negativos en V5, pudieran predecir cuáles pacientes no responderán adecuadamente a la terapia de resincroni-zación cardíaca.

  14. Alterações do diâmetro da veia cava caudal nas diferentes fases do ciclo respiratório, como um indicador não invasivo da volémia e correlação com a pressão venosa central

    OpenAIRE

    Monteiro, Carla Alexandra Almeida

    2009-01-01

    ABSTRACT - Ultrasound evaluation of caudal vena cava diameter changes with breathing as an estimate of volemia and central venous pressure - Estimating volemia is essential for the care of critical patients. Traditionally this has been achieved through indirect parameters or invasive methods such as central venous pressure (CVP). Recently several human studies demonstrated that ultrasound (US) kinetic respiratory changes of caudal vena cava (CVC) can be a reliable indicator of the v...

  15. ¿Interculturalizando la educación superior?

    OpenAIRE

    Gullo, Bárbara

    2009-01-01

    La Secretaría de Educación Pública a través de la Coordinación General de Educación Intercultural y Bilingüe (cgeib) publica en 2006 el libro Universidad intercultural. Modelo educativo, de la autoría de María de Lourdes Casillas Muñoz, directora de Educación Media Superior y Superior en la cgeib, y Laura Santini Villar, asesora de Educación Media Superior y Superior en la cgeib. Se trata de una edición reproducida en el marco del convenio de colaboración celebrado entre la Comisión Nacional ...

  16. Sonographically guided superior laryngeal nerve block during awake fiberoptic intubation.

    Science.gov (United States)

    Sawka, Andrew; Tang, Raymond; Vaghadia, Himat

    2015-04-15

    We report 5 patients who underwent ultrasound-guided superior laryngeal nerve block before awake intubation and general anesthesia. We used a 8- to 15-MHz hockey stick-shaped ultrasound transducer (HST15-8/20 linear probe, Ultrasonix) to visualize the superior laryngeal nerve. A 3.8-cm 25-G needle was inserted in real time and directed toward the superior laryngeal nerve followed by circumferential placement of local anesthetic. All 5 patients tolerated subsequent awake fiberoptic intubation with either minimal or no sedation. Sonographically guided superior laryngeal nerve block may be useful in patients where identification of landmarks in the neck is difficult as a result of patient anatomy. PMID:25867195

  17. 2010 Great Lakes Restoration Initiative Bathymetric Lidar: Lake Superior

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The data contained in this file contain hydrographic and topographic data collected by the Fugro LADS Mk II system along the Lake Superior coast of Minnessota,...

  18. Protein tyrosine phosphatases expression during development of mouse superior colliculus

    OpenAIRE

    Reinhard, Jacqueline; Horvat-Bröcker, Andrea; Illes, Sebastian; Zaremba, Angelika; Knyazev, Piotr; Ullrich, Axel; Faissner, Andreas

    2009-01-01

    Protein tyrosine phosphatases (PTPs) are key regulators of different processes during development of the central nervous system. However, expression patterns and potential roles of PTPs in the developing superior colliculus remain poorly investigated. In this study, a degenerate primer-based reverse transcription-polymerase chain reaction (RT-PCR) approach was used to isolate seven different intracellular PTPs and nine different receptor-type PTPs (RPTPs) from embryonic E15 mouse superior col...

  19. Stomatitis sub-prosthesis in patients with superior dental prosthesis

    OpenAIRE

    Antonia Martina Francisco Local; Yoel González Beriau; Ana Gloria Vázquez de León

    2009-01-01

    Background: The stomatitis sub-prosthesis is one of the most frequent changes in hard palate mucous membrane in patients with mucous-supported dental prosthesis. It can be caused by multiple factors, which makes its study and prognosis more difficult. Objective: To describe the occurrence of stomatitis sub-prosthesis and its causes in patients with superior dental prosthesis. Method: Descriptive study including all the patients with superior dental prosthesis examined in the odontology consul...

  20. Word and pseudoword superiority effects reflected in the ERP waveform

    OpenAIRE

    Coch, Donna; Mitra, Priya

    2010-01-01

    A variant of the Reicher-Wheeler task was used to determine when in the event-related potential (ERP) waveform indices of word and pseudoword superiority effects might be present, and whether ERP measures of superiority effects correlated with standardized behavioral measures of orthographic fluency and single word reading. ERPs were recorded to briefly presented, masked letter strings that included real words (DARK/PARK), pseudowords (DARL/PARL), nonwords (RDKA/RPKA), and letter-in-xs (DXXX,...

  1. Evaluation and diagnosis of the cathodic protection of ducts in the left margin of the Tonala River of the Superintendencia General de Ductos Minatitlan; Evaluacion y diagnostico de la proteccion catodica en la margen izquierda del Rio Tonala de la Superintendencia General de Ductos Minatitlan

    Energy Technology Data Exchange (ETDEWEB)

    Gonzalez N, Miguel A; Malo T, Jose M; Munoz Ledo C, Ramon; Uruchurtu C, Jorge; Castrejon G, Rafael [Instituto de Investigaciones Electricas, Cuernavaca, Morelos (Mexico); Sanchez G, Luis; Algarra M, Raul; Abreu L, Emilio [Gerencia de Mantenimiento, Pemex (Mexico)

    2003-07-01

    The present study contains the measurements obtained as a part of the evaluation of the protection system of ducts located in the left margin of the Tonal River, made by the Gerencia de Materiales y Procesos Quimicos of the Instituto de Investigaciones Electricas (IIE) during the last trimester of year 2001. Also, the measurements of potential in conditions of instantaneous ignition and extinguished in measuring posts of the duct in Rights of Way (DDV) Tonala-Nudo Teapa 23 are studied, in order to determine the real protection level reached by the cathodic protection system, the possible unprotected zones and the possible corrective measures that lead to a safe operation of the ducts. [Spanish] El presente estudio contiene las mediciones obtenidas como parte de la evaluacion del sistema de proteccion de los ductos ubicados en la margen izquierda del rio Tonala, realizadas por la Gerencia de Materiales y Procesos Quimicos del Instituto de Investigaciones Electricas (IIE) durante el ultimo trimestre del ano 2001. Asimismo, se tratan las mediciones de potencial en condiciones de encendido y apagado instantaneo en postes de medicion del ducto en los Derechos De Via (DDV) Tonala-Nudo Teapa 23, con el proposito de determinar el nivel real de proteccion alcanzado por el sistema de proteccion catodica, las posibles zonas desprotegidas y las posibles medidas correctivas que conduzcan a una operacion segura de los ductos.

  2. Differential diagnosis of cervical radiculopathy and superior pulmonary sulcus tumor

    Institute of Scientific and Technical Information of China (English)

    GU Rui; KANG Ming-yang; GAO Zhong-li; ZHAO Jian-wu; WANG Jin-cheng

    2012-01-01

    Background The result would be disastrous if the superior pulmonary sulcus tumor (Pancoast tumor) was misdiagnosed as degenerative cervical spine diseases.The aim of this study was to investigate the differential diagnosis methods of cervical radiculopathy and superior pulmonary sulcus tumor.Methods Clinical manifestations,physical,and radiological findings of 10 patients,whose main complaints were radiating shoulder and arm pain and later were diagnosed with superior pulmonary sulcus tumor,were reviewed and compared with those of cervical radiculopathy.Results Superior pulmonary sulcus tumor patients have shorter mean history and fewer complaints of neck pain or limitation of neck movement.Physical examination showed almost normal cervical spine range of motion.Spurling's neck compression test was negative in all patients.Anteroposterior cervical radiographs showed the lack of pulmonary air at the top of the affected lung in all cases and first rib encroachment in one case.The diagnosis of superior pulmonary sulcus tumor can be further confirmed by CT and MRI.Conclusions By the method of combination of history,physical examination,and radiological findings,superior pulmonary sulcus tumor can be efficiently differentiated from cervical radiculopathy.Normal motion range of the cervical spine,negative Spurling's neck compression test,and the lack of pulmonary air at the top of the affected lung in anteroposterior cervical radiographs should be considerad as indications for further chest radiograph examinations.

  3. Superior Memorizers Employ Different Neural Networks for Encoding and Recall

    Directory of Open Access Journals (Sweden)

    Johannes eMallow

    2015-09-01

    Full Text Available Superior memorizers often employ the method of loci (MoL to memorize large amounts of information. The method of loci, known since ancient times, relies on a complex process where information to be memorized is bound to landmarks along mental routes in a previously memorized environment. However, fMRI data on groups of trained superior memorizer are rare. Based on the memorizing strategy reported by superior memorizers we developed a scheme of the processes successively employed during memorizing and recalling digits and relate these to brain activation that is specific for the encoding and recall period. In the examined superior memorizers several regions, suggested to be involved in mental navigation and digit-to-word processing, were specifically activated during encoding: bilateral early visual cortex, retrosplenial cortex, left parahippocampus, left visual cortex, and left superior parietal cortex. Although the scheme suggests that some steps during encoding and recall seem to be analog, none of the encoding areas were specifically activated during the recall. Instead, we found strong activation in left anterior superior temporal gyrus, which we relate to recalling the sequential order of the digits, and right motor cortex that may be related to reciting the digits.

  4. Nursing Care of 4 Patients with Inferior Vena Cava Thrombosis Treated by Temporary Inferior Vena Cava Filter plus Catheter-directed Thrombolysis%4例肾静脉以上临时性腔静脉滤器植入联合导管溶栓治疗下腔静脉血栓患者的护理

    Institute of Scientific and Technical Information of China (English)

    周菊珍; 金伟飞; 蒋美; 姚碧连

    2012-01-01

    This paper summarized the nursing experience of four cases of patients with inferior vena cava thrombosis, which were treated with temporary inferior vena cava filter (IVCF) combined with catheter-directed thrombolysis. The importance of nursing went to the placement of IVCF to prevent its displacement, limb nursing and catheter-directed thrombolysis. All the laboratory indexes were under the monitoring and measures were taken for the prevention of complication of pulmonary embolism and education for discharge was conducted as well. During the treatment, bleeding in puncture point occurred in one case, displacement of catheter one case and gastrointestinal bleeding one case and after treatment, all the swelling of extremities and inferior vena cava thrombosis disappeared. IVCF was removed 3 to 4 weeks after discharge and after 3 to 38 months follow-ups, no thrombosis reoccurred.%总结4例下腔静脉血栓患者行肾静脉以上临时腔静脉滤器植入联合腔内导管溶栓治疗的护理经验.做好临时性腔静脉滤器置入的护理,严防滤器移位;做好肢体护理及导管溶栓护理;密切观察患者出血情况,监测实验室指标;预防和观察肺栓塞并发症;做好出院指导.4例患者患肢肿胀消退,下腔静脉血栓均消失,出现穿刺点出血1例,导管移位1例,消化道出血1例,经及时发现积极治疗护理,痊愈出院,术后3~4 周拔除临时滤器,随防3~38 个月无血栓复发.

  5. Avaliação econômica do minério remanescente nos taludes da cava final da Mina de Alegria

    Directory of Open Access Journals (Sweden)

    Adilson Curi

    2003-03-01

    Full Text Available Esse trabalho apresenta uma estimativa do benefício que pode ser auferido através da recuperação do minério remanescente nos taludes da cava final de uma mina a céu aberto através da aplicação de uma metodologia de lavra baseada no método de corte e enchimento. Para exemplificar o uso da metodologia proposta, foi adotado o caso das minas de minério de ferro de Alegria de propriedade da Samarco Mineração S.A. A viabilidade econômica da recuperação do minério remanescente em taludes de cavas exauridas de minas a céu aberto envolve recursos que estarão diretamente ligadas ao valor de mercado do produto e ao custo operacional para sua recuperação. Na fase de exaustão de uma mina, tradicionalmente, considerada como de desembolso de capital, a geração de receitas adicionais é bem-vinda, pois implica ganhos econômicos não previstos na fase de fechamento de minas e até em minas já paralisadas, acrescendo-se também um ganho ambiental devido à não construção de pilhas de estéril.This paper introduces estimated benefits, obtainable by use of "cut and filling" mine-methodology extraction of ore remaining in slopes of the final pit in an open pit mining operation. The economic viability of this method considers product market value and operational costs. When terminating a mining operation, the generation of additional revenue is highly desired, since it implies unforeseen economical earnings. This also holds true for already-closed mines. When the method desribed in this study is used, there is also an environmental bonus since there is no waste pile construction.

  6. Os rankings na educação superior brasileira: políticas de governo ou de estado? Los rankings en la educación superior brasileña: ¿políticas de gobierno de estado? The rankings in Brazilian higher education: policies of government or state?

    Directory of Open Access Journals (Sweden)

    Adolfo Ignacio Calderón

    2011-12-01

    Full Text Available O presente artigo, de cunho teórico, analisa o lugar dos rankings nas políticas de Educação Superior do Estado Brasileiro tendo como parâmetro quatro mandatos presidências, dois mandatos do governo Fernando Henrique Cardoso (1995-2002, marcados pela implantação das reformas neoliberais, e dois mandatos do governo Luiz Inácio Lula da Silva (2003-2010, como alternativa de esquerda democrática para América Latina diante da expansão neoliberal. Defende-se a hipótese de que passados quatro mandatos e o governo de dois presidentes representantes de projetos políticos teoricamente opostos, os rankings, enquanto estratégias de estímulo da concorrência para a melhoria da qualidade da educação superior ganharam consenso e legitimidade técnica no âmbito governamental, deixando de serem políticas de governos específicos para se tornarem política de longo prazo do Estado Brasileiro, acima dos interesses dos grupos políticos que se alternaram no poder.El presente artículo, de cuño teórico, analiza el lugar de los rankings en las políticas de Educación Superior del Estado brasileño, y tiene como parámetro cuatro mandatos presidenciales, dos de Fernando Henrique Cardoso (1995-2002, marcados por la implantación de las reformas neoliberales, y dos del gobierno de Luiz Inácio Lula da Silva (2003-2010, considerado como una alternativa de la izquierda democrática para América Latina frente a la expansión neoliberal. Se defiende la hipótesis de que después de cuatro mandatos y el gobierno de dos presidentes, representantes de proyectos teóricamente opuestos, los rankings, en la condición de estrategias de estímulo de la competición para la mejora de la calidad de la educación superior, obtuvieron consenso y legitimidad técnica en el ámbito gubernamental, dejando de ser vistos como políticas de determinados gobiernos para convertirse en una política a largo plazo del Estado brasileño, sin relación con los intereses de

  7. Pneumatized superior turbinate as a cause of headache

    Directory of Open Access Journals (Sweden)

    Katotomichelakis Michael

    2007-01-01

    Full Text Available Abstract Background A pneumatized superior turbinate is a rare cause of headache. Nasal endoscopy alone, does not provide us with adequate information for this inaccessible area of the superior nasal cavity. A coronal computed tomography (CT must be obtained to confirm the diagnosis. Case presentation We present a 40-year-old female with migraine-type headache and nasal obstruction. Nasal endoscopy revealed a mild septal deviation, a right middle concha bullosa and a paradoxically curved middle turbinate on the left side. Coronal CT-scan showed also the presence of a superior concha bullosa on the left, which was in close contact with the nasal septum. The patient underwent septoplasty and bilateral endoscopic sinus surgery, including partial removal of both the pneumatized middle turbinates in conjunction with gentle lateralization and resection of the lower half of the left superior turbinate. Prompt relief from headache and nasal symptoms was obtained. Conclusion Pneumatized superior concha causing migrainous headache is a rare finding. Endoscopic surgery may provide permanent relief of symptoms.

  8. Endoprótese revestida de jugular preservada de bovino: estudo comparativo da resposta tecidual em aorta torácica descendente e veia cava inferior de suínos Bovine preserved jugular covered stent-graft: comparative study of tissue response at swine thoracic descendent aorta and inferior vena cava

    Directory of Open Access Journals (Sweden)

    Celso Luiz Muhlethaler Chouin

    2008-08-01

    Full Text Available OBJETIVO: Avaliar e comparar a resposta tecidual de uma endoprótese biosintetica implantada na aorta torácica descendente e veia cava inferior de suínos. MÉTODO: Foi implantada uma endoprótese auto-expansível composta de aço inoxidável, revestida por veia jugular de bovino, processada pelo método L-hydro, com auxilio de uma bainha de liberação Taheri-Leonhardt (Flórida, EUA na aorta torácica descendente, e a veia cava infra-renal de 10 suínos. Sessenta dias após, as endopróteses foram retiradas e analisadas sob o ponto de vista macro e microscópicos. Foram observados: perviedade, grau de incorporação a parede do vaso, tipo de reação inflamatória, e local de maior resposta, tanto em relação a camada do vaso quanto ao local de contato com o anel de aço RESULTADOS: Todas as endopróteses encontravam-se pérvias, e incorporadas à parede. No setor venoso, seis apresentaram traves fibrosas em sua luz, e quatro apresentaram fibrose perivascular. No setor arterial somente uma prótese apresentou discreta estenose, sem fibrose perivascular. A reação inflamatória crônica tipo corpo estranho ocorreu em 100% das peças, a camada média foi a mais acometida no setor venoso, enquanto a íntima foi mais constante na artéria, o grau de incorporação foi mais firme na veia em comparação a artéria. A reação tecidual mostrou maior tendência nas áreas em intimo contato com o anel de aço (intra-anelar, mais intensa na artéria do que na veia. CONCLUSÃO: A prótese apresentou baixa trombogenicidade em ambos os sistemas, houve maior reação tecidual e baixa biocompatibilidade no setor venoso.BACKGROUND: To evaluate and compare the tissue response, in swine, to a biosynthetic stent-graft when implanted in both thoracic aorta and inferior vena cava. METHOD: It was used a self-expanding stainless stent, covered by segment of bovine jugular veins, processed by the method L-hydro, and delivered by Taheri-Leonhardt system (Florida

  9. INFORMATION ASSURANCE - INTELLIGENCE - INFORMATION SUPERIORITY RELATIONSHIP WITHIN NATO OPERATIONS

    Directory of Open Access Journals (Sweden)

    Gheorghe BOARU, Ioan-Mihai ILIEŞ

    2011-01-01

    Full Text Available There is a tight relationship between information assurance, the intelligence cycle and information superiority within NATO operations. The intelligence cycle has a discrete architecture and provides on-time and relevant intelligence products to the joint force commanders and to other authorized users in a specifi c joint area of operations. The intelligence cycle must follow the evolution of the operation. A permanent intelligence estimate will be performed during the military decision making process and operations execution. Information superiority is one of the most powerful intelligence cycle achievements. and decisively infuences the success of NATO joint operations. Information superiority must be preserved and enhanced through information assurance. Information assurance is an information operation that must be planned by the military in charge of operation security or by non-military experts, executed by all personnel during the entire intelligence cycle life time and employed during the planning and execution of NATO joint operations.

  10. Status of the shortjaw cisco (Coregonus zenithicus) in Lake Superior

    Science.gov (United States)

    Hoff, Michael H.; Todd, Thomas N.

    2004-01-01

    The shortjaw cisco (Coregonus zenithicus) was historically found in Lakes Huron, Michigan, and Superior, but has been extirpated in Lakes Huron and Michigan apparently as the result of commercial overharvest. During 1999-2001, we conducted an assessment of shortjaw cisco abundance in five areas, spanning the U.S. waters of Lake Superior, and compared our results with the abundance measured at those areas in 1921-1922. The shortjaw cisco was found at four of the five areas sampled, but abundances were so low that they were not significantly different from zero. In the four areas where shortjaw ciscoes were found, abundance declined significantly by 99% from the 1920s to the present. To increase populations of this once economically and ecologically important species in Lake Superior, an interagency rehabilitation effort is needed. Population monitoring is recommended to assess population trends and to evaluate success of rehabilitation efforts.

  11. Temporal Bone Fracture Causing Superior Semicircular Canal Dehiscence

    Directory of Open Access Journals (Sweden)

    Kevin A. Peng

    2014-01-01

    Full Text Available Importance. Superior semicircular canal dehiscence (SCD is a third window lesion of the inner ear causing symptoms of vertigo, autophony, tinnitus, and hearing loss. A “two-hit” hypothesis has traditionally been proposed, whereby thinly developed bone overlying the superior canal is disrupted by a sudden change in intracranial pressure. Although the symptoms of SCD may be precipitated by head injury, no previous reports have described a temporal bone fracture directly causing SCD. Observations. Two patients sustained temporal bone fractures after closed head trauma, and developed unilateral otologic symptoms consistent with SCD. In each instance, computed tomography imaging revealed fractures extending through the bony roof of the superior semicircular canal. Conclusions and Relevance. Temporal bone fractures, which are largely treated nonoperatively, have not previously been reported to cause SCD. As it is a potentially treatable entity, SCD resulting from temporal bone fracture must be recognized as a possibility and diagnosed promptly if present.

  12. Revealing the superior perceptibility of words in Arabic.

    Science.gov (United States)

    Jordan, Timothy R; Paterson, Kevin B; Almabruk, Abubaker A A

    2010-01-01

    When alphabetic stimuli are presented very briefly, people perceive real words better than nonwords. It is generally accepted that this word superiority effect reflects the efficiency of visual word perception. However, much of what is known about this effect comes from research conducted in languages using the Latin alphabet (eg English, French, Italian), and little is known about whether alphabetic languages with visual properties fundamentally different from Latinate languages also produce word superiority effects. We report an experiment in which stimuli (words, illegal nonwords, and pseudowords) were presented in Arabic, which is a cursive script, read from right to left. The findings revealed advantages for words over pseudowords and illegal nonwords, and for pseudowords over illegal nonwords, indicating that the superiority effects reported for Latinate languages are also observed in Arabic. Implications of these findings for understanding the processes involved in word recognition are discussed. PMID:20465177

  13. Isolated abscess in superior rectus muscle in a child

    Directory of Open Access Journals (Sweden)

    Sushank Ashok Bhalerao

    2015-01-01

    Full Text Available Pyomyositis is a primary bacterial infection of striated muscles nearly always caused by Staphylococcus aureus. Development of the intramuscular abscess involving the extra-ocular muscles (EOMs remains an extremely rare process. We herein present a case of isolated EOM pyomyositis involving superior rectus muscle in a 2-year male child who was referred with complaints of swelling in left eye (LE and inability to open LE since last 1-month. Orbital computed tomography (CT scan showed a well-defined, hypo-dense, peripheral rim-enhancing lesion in relation to left superior rectus muscle suggestive of left superior rectus abscess. The abscess was drained through skin approach. We concluded that pyomyositis of EOM should be considered in any patient presenting with acute onset of orbital inflammation and characteristic CT or magnetic resonance imaging features. Management consists of incision and drainage coupled with antibiotic therapy.

  14. Papaya Development Model As A Competitive Local Superior Commodity

    Directory of Open Access Journals (Sweden)

    Reny Sukmawani

    2014-12-01

    Full Text Available The aim of this research is to study the comparative advantage and papaya competitive and to design its development model by using the approach of local base agriculture development. This research uses survey method. The resulting research shows that papaya is a base commodity that has comparative advantage and competitive. The development papaya in the district of Sukabumi is quite good bases on eight superior creations. But in order to be the main sector in economic development and has a competition, the development of papaya must concern to its influence factors. In supporting papaya development as a competitive local superior commodity, it needs to be done some efforts are as follows: (1 increase a skillful worker; (2 improve business management; (3 increase papaya productivity by using technology and study papaya planted technology in specific local superior commodity; (4 develop the involvement of the business relation; (5 provide market information and information technology network; and (6 improve infrastructures.

  15. Contrast-fluid level in the inferior vena cava (IVC niveau sign) in patients with acute type A aortic dissection. Computed tomography findings during acute cardiac tamponade

    International Nuclear Information System (INIS)

    The purpose of this study was to report a new computed tomography (CT) finding in acute cardiac tamponade: a contrast-fluid level in the hepatic inferior vena cava (IVC) during an arterial dominant phase CT study (IVC niveau sign) in patients with acute type A aortic dissection. We retrospectively reviewed CT studies with the diagnosis of proximal aortic dissection (Stanford type A) with acute cardiac tamponade. There were 12 patients enrolled in the study (6 women, 6 men; mean age 66 years). A total of 62 patients were selected as a control chronic pericardial effusion group to compare with the acute cardiac tamponade group. Among the 12 patients with acute cardiac tamponade, the IVC niveau sign was seen in 7 (58%). In the control chronic pericardial effusion group (n=62), we identified the IVC niveau sign in only one patient (1.6%). There was a significant difference in the presence of the IVC niveau sign between the acute cardiac tamponade and chronic pericardial effusion groups (P<0.0001). The presence of the IVC niveau sign suggests acute cardiac tamponade in patients with acute type A aortic dissection. (author)

  16. Transhepatic approach to create stent fenestration in the extracardiac Fontan conduit in a child with dextrocardia and interrupted inferior vena cava with azygos continuation.

    Science.gov (United States)

    Kobayashi, Daisuke; Turner, Daniel R; Forbes, Thomas J

    2013-04-01

    Plastic bronchitis is a rare life-threatening complication of Fontan operation. When medical treatment is ineffective in the setting of high systemic venous pressures, Fontan fenestration may be considered to decompress venous pressures and improve cardiac output by creation of the right-to-left shunting. However, transcatheter approach can be difficult in patients with complex venous anatomy. We report a 4-year-old girl born with hypoplastic left ventricle and heterotaxy syndrome, who developed plastic bronchitis following extracardiac Fontan procedure. Her venous anatomy was complex with dextrocardia and interrupted inferior vena cava with azygos continuation. Stent fenestration was successfully performed via transhepatic approach, which was selected based on the anatomical relationship (between extracardiac conduit, left atrium, and hepatic veins) delineated by pre-catheterization cardiac MRI. Simultaneous transesophageal echocardiography guided the intervention. Her plastic bronchitis improved significantly in 3 months but slowly progressed after the stent fenestration. At her 8-month follow-up, stent fenestration remains open and she is currently under heart transplantation evaluation due to persistent plastic bronchitis. Treatment of plastic bronchitis can be undertaken with Fontan fenestration, with pre-procedural MRI playing an essential role in patients with complex venous anatomy.

  17. 下腔静脉癌栓的诊治进展%Advancements in Diagnosis and Treatment of Inferior Vena Cava Tumor Thrombus

    Institute of Scientific and Technical Information of China (English)

    郝嘉; 游凯

    2011-01-01

    下腔静脉癌栓常在恶性肿瘤中伴发,治疗上仍较棘手.目前如何选择适宜的诊治方法和它对肿瘤预后的影响尚未达成共识.现系统回顾下腔静脉癌栓的分型、诊断、围术期的综合治疗方法和预后方面的进展,重点综述外科治疗下腔静脉癌栓的各种辅助方法、手术切口和术后联合治疗方式.%Inferior vena cava tumor thrombus ( IVCTT) is one of the factors resulting in a poor prognosis for patients with carcmoma.The classification, improvement of diagnosis, comprehensive treatments, and overall suwival of IVCTT were analyzed. The review focuses on multiple surpcal methods, incision access, and combined postoperative therapies.

  18. Deep Venous Thrombosis of the Leg, Associated with Agenesis of the Infrarenal Inferior Vena Cava and Hypoplastic Left Kidney (KILT Syndrome in a 14-Year-Old Child

    Directory of Open Access Journals (Sweden)

    Sakshi Bami

    2015-01-01

    Full Text Available Agenesis of the inferior vena cava (IVC is a rare anomaly which can be identified as incidental finding or can be associated with iliofemoral vein thrombosis. IVC agenesis has a known association with renal anomalies which are mainly confined to the right kidney. We describe a case of a 14-year-old male who presented with left leg swelling and pain. Ultrasonography confirmed the presence of left leg deep vein thrombosis (DVT. No underlying hematologic risk factors were identified. A CT scan was obtained which demonstrated absent infrarenal IVC and extensive thrombosis in the left deep venous system and development of collateral venous flow into the azygous/hemiazygous system, with extension of thrombus into paraspinal collaterals. An additional finding in the patient was an atrophic left kidney and stenosis of an accessory left renal artery. Agenesis of the IVC should be considered in a young patient presenting with lower extremity DVT, especially in patients with no risk factors for thrombosis. As agenesis of the IVC cannot be corrected, one should be aware that there is a lifelong risk of lower extremity DVT.

  19. Depressive effects on the central nervous system and underlying mechanism of the enzymatic extract and its phlorotannin-rich fraction from Ecklonia cava edible brown seaweed.

    Science.gov (United States)

    Cho, Suengmok; Han, Daeseok; Kim, Seon-Bong; Yoon, Minseok; Yang, Hyejin; Jin, Young-Ho; Jo, Jinho; Yong, Hyeim; Lee, Sang-Hoon; Jeon, You-Jin; Shimizu, Makoto

    2012-01-01

    Marine plants have been reported to possess various pharmacological properties; however, there have been few reports on their neuropharmacological effects. Terrestrial plants have depressive effects on the central nervous system (CNS) because of their polyphenols which make them effective as anticonvulsants and sleep inducers. We investigated in this study the depressive effects of the polyphenol-rich brown seaweed, Ecklonia cava (EC), on CNS. An EC enzymatic extract (ECEE) showed significant anticonvulsive (>500 mg/kg) and sleep-inducing (>500 mg/kg) effects on the respective mice seizure induced by picrotoxin and on the mice sleep induced by pentobarbital. The phlorotannin-rich fraction (PTRF) from ECEE significantly potentiated the pentobarbital-induced sleep at >50 mg/kg. PTRF had binding activity to the gamma aminobutyric acid type A (GABA(A))-benzodiazepine (BZD) receptors. The sleep-inducing effects of diazepam (DZP, a well-known GABA(A)-BZD agonist), ECEE, and PTRF were completely blocked by flumazenil, a well-known antagonist of GABA(A)-BZD receptors. These results imply that ECEE produced depressive effects on CNS by positive allosteric modulation of its phlorotannins on GABA(A)-BZD receptors like DZP. Our study proposes EC as a candidate for the effective treatment of neuropsychiatric disorders such as anxiety and insomnia.

  20. Measurement of Anterior-Posterior Diameter of Inferior Vena Cava by Ultrasonography: A Non-Invasive Method for Estimation of Central Venous Pressure

    Directory of Open Access Journals (Sweden)

    R. Nafisi-Moghadam

    2007-05-01

    Full Text Available Background and Objective: The assessment of blood volume is now one of the most commonly needed interventions in the first line of care and severe ill patients. Measuring central venous pressure (CVP is an invasive method, most frequently used in clinical practice for the assessment of volume status. The di-ameter of the inferior vena cava (IVC is a parameter to estimate central venous pressure. The purpose of this study was to determine whether measurement of the anterior-posterior diameter of the IVC by ultra-sonography, correlates with CVP. Materials and Methods: It was a descriptive and pro-spective study on 50 patients; CVP was measured in supine position by CVP manometer. Anterior – pos-terior IVC diameter was assessed by ultrasonography during inspiration and expiration. Results: The mean of CVP during inspiration and ex-piration was 11.31+5.59, 12.20 + 5.65cmH2o, respec-tively. The mean of inspiratory and expiratory IVC diameter was 7.71+3.56, 11.97+3.28 mm, respectively. There was significant relation between CVP and IVC diameter in the inspiration (r=0.664, p<0.0001 and expiration (r=0.495, p=0.001. The relation between these two variables was linear. Conclusion: Result of this study showed that IVC di-ameter measurement by ultrasonography can be used to estimate the mean of CVP.

  1. Modelos de ensino superior militar de Portugal e Espanha

    OpenAIRE

    Barreira, João, 1964-

    2013-01-01

    Sabemos que nos últimos 30 anos o Ensino Superior Militar (ESM) seguiu um percurso de convergência com o sistema de ensino superior nacional e, mais tarde, no sentido da acreditação internacional, seguindo as diretivas e critérios estabelecidos pelo processo de Bolonha. Por sua vez, Espanha também optou por seguir os critérios estabelecidos pelo processo de Bolonha, mas num caminho diferente do escolhido por Portugal. É neste sentido que o presente estudo visa analisar a exequibilidade de ...

  2. Imaging Evaluation of Superior Labral Anteroposterior (SLAP) Tears.

    Science.gov (United States)

    Grubin, Jeremy; Maderazo, Alex; Fitzpatrick, Darren

    2015-10-01

    Superior labral anteroposterior (SLAP) tears are common injuries that are best evaluated with magnetic resonance arthrography (MRA), as it provides the most detailed evaluation of the bicipital labral complex. Given the variety and complexity of SLAP tears, distention of the joint with intra-articular dilute gadolinium contrast properly separates the intra-articular biceps tendon, superior labrum, glenoid cartilage and glenohumeral ligaments to optimize assessment of these structures. This allows for increased diagnostic confidence of the interpreting radiologist and provides a better road map for the surgeon prior to arthroscopy. Indirect MRA and high-field magnetic resonance imaging are sensitive and specific alternative modalities if MRA cannot be performed.

  3. Depth-specific Analyses of the Lake Superior Food Web

    Science.gov (United States)

    Characteristics of large, deep aquatic systems include depth gradients in community composition, in the quality and distribution of food resources, and in the strategies that organisms use to obtain their nutrition. In Lake Superior, nearshore communities that rely upon a combina...

  4. Cationic amphiphilic non-hemolytic polyacrylates with superior antibacterial activity.

    Science.gov (United States)

    Punia, Ashish; He, Edward; Lee, Kevin; Banerjee, Probal; Yang, Nan-Loh

    2014-07-01

    Acrylic copolymers with appropriate compositions of counits having cationic charge with 2-carbon and 6-carbon spacer arms can show superior antibacterial activities with concomitant very low hemolytic effect. These amphiphilic copolymers represent one of the most promising synthetic polymer antibacterial systems reported. PMID:24854366

  5. Biological Motion Task Performance Predicts Superior Temporal Sulcus Activity

    Science.gov (United States)

    Herrington, John D.; Nymberg, Charlotte; Schultz, Robert T.

    2011-01-01

    Numerous studies implicate superior temporal sulcus (STS) in the perception of human movement. More recent theories hold that STS is also involved in the "understanding" of human movement. However, almost no studies to date have associated STS function with observable variability in action understanding. The present study directly associated STS…

  6. Morphological variation of siscowet lake trout in Lake Superior

    Science.gov (United States)

    Bronte, C.R.; Moore, S.A.

    2007-01-01

    Historically, Lake Superior has contained many morphologically distinct forms of the lake trout Salvelinus namaycush that have occupied specific depths and locations and spawned at specific times of the year. Today, as was probably the case historically, the siscowet morphotype is the most abundant. Recent interest in harvesting siscowets to extract oil containing omega-3 fatty acids will require additional knowledge of the biology and stock structure of these lightly exploited populations. The objective of this study was to determine whether shape differences exist among siscowet populations across Lake Superior and whether these shape differences can be used to infer stock structure. Morphometric analysis (truss protocol) was used to differentiate among siscowets sampled from 23 locations in Lake Superior. We analyzed 31 distance measurements among 14 anatomical landmarks taken from digital images of fish recorded in the field. Cluster analysis of size-corrected data separated fish into three geographic groups: The Isle Royale, eastern (Michigan), and western regions (Michigan). Finer scales of stock structure were also suggested. Discriminant function analysis demonstrated that head measurements contributed to most of the observed variation. Cross-validation classification rates indicated that 67–71% of individual fish were correctly classified to their region of capture. This is the first study to present shape differences associated with location within a lake trout morphotype in Lake Superior.

  7. Prof. Zhou Xuewen's Experience in Treating Superior Mesenteric Artery Syndrome

    Institute of Scientific and Technical Information of China (English)

    姚岚

    2003-01-01

    @@ Prof. Zhou Xuewen (周学文), a veteran TCM doctor,is an expert in treating miscellaneous internaldiseases. I have the honor to follow him and havebenefited from his teaching. The following is hisexperience in treating superior mesenteric arterysyndrome that I would like to introduce below.

  8. Superiority of Vicarious over Direct Experience in Interpersonal Conflict Resolution

    Science.gov (United States)

    Braver, Sanford L.; Rohrer, Van

    1978-01-01

    A laboratory experiment compared the relative effects of observing and participating in a first Prisoner's Dilemma Game (PDG) on subsequent PDG encounters by the original observer and participant. Concludes that vicarious experience is superior to direct experience in producing responses that reduce interpersonal conflict. Available from: Sage…

  9. Superior refining performance beyond 2000 -- Breaking traditional paradigms

    International Nuclear Information System (INIS)

    Over the last 5 years, refining companies have not performed well financially, generating returns below the cost of capital. Environmental regulations have caused the industry to invest significant amounts of capital, and while new regulations will cause the shutdown of between 500 thousand and 1.2 million barrels per day of capacity, the industry structure will remain poor and financial returns for the average player will likely be volatile, cyclical, and below the cost of capital. Based on this industry outlook, refining companies seeking superior performance will have to break the traditional paradigms and adopt world-class practices used in other industries. Changes required to significantly improve financial returns will include shifts in business strategy to accommodate growth, and development of nontraditional services, as well as initiates to dramatically reshape cost structure and improve profitability. Making the changes to become a superior performer in the refining business will require a clear vision and strong leadership at multiple levels in the organization. The transformation will also require changes in company culture and incentive plans that encourage managers to act as owners. In addition, superior performers will push accountability for results to low levels in the organization. Given the herd mentality of the oil industry, superior performers must take decisive, preemptive action to generate a substantial, competitive advantage

  10. Protein tyrosine phosphatases expression during development of mouse superior colliculus.

    Science.gov (United States)

    Reinhard, Jacqueline; Horvat-Bröcker, Andrea; Illes, Sebastian; Zaremba, Angelika; Knyazev, Piotr; Ullrich, Axel; Faissner, Andreas

    2009-12-01

    Protein tyrosine phosphatases (PTPs) are key regulators of different processes during development of the central nervous system. However, expression patterns and potential roles of PTPs in the developing superior colliculus remain poorly investigated. In this study, a degenerate primer-based reverse transcription-polymerase chain reaction (RT-PCR) approach was used to isolate seven different intracellular PTPs and nine different receptor-type PTPs (RPTPs) from embryonic E15 mouse superior colliculus. Subsequently, the expression patterns of 11 PTPs (TC-PTP, PTP1C, PTP1D, PTP-MEG2, PTP-PEST, RPTPJ, RPTPε, RPTPRR, RPTPσ, RPTPκ and RPTPγ) were further analyzed in detail in superior colliculus from embryonic E13 to postnatal P20 stages by quantitative real-time RT-PCR, Western blotting and immunohistochemistry. Each of the 11 PTPs exhibits distinct spatiotemporal regulation of mRNAs and proteins in the developing superior colliculus suggesting their versatile roles in genesis of neuronal and glial cells and retinocollicular topographic mapping. At E13, additional double-immunohistochemical analysis revealed the expression of PTPs in collicular nestin-positive neural progenitor cells and RC-2-immunoreactive radial glia cells, indicating the potential functional importance of PTPs in neurogenesis and gliogenesis. PMID:19727691

  11. A Developmental, Interactive Activation Model of the Word Superiority Effect.

    Science.gov (United States)

    Chase, Christopher H.; Tallal, Paula

    1990-01-01

    Examined effects of orthographic context on the letter recognition skills of dyslexic children, comparing their performance to that of adults and of chronological and reading age-matched groups. Results showed that the two matched groups showed strong word superiority effect (WSE) for words and pseudowords over nonwords. Dyslexic readers did not…

  12. Memory for Pictorial Information and the Picture Superiority Effect.

    Science.gov (United States)

    Maisto, Albert A.; Queen, Debbie Elaine

    1992-01-01

    The performance of 53 younger adults (mean age 20.7) and 52 older adults (mean age 68.3) was compared in a memory task involving pictures, words, and pictures-plus-words. Results showed (1) significantly higher recall scores for younger adults; (2) equivalent picture superiority effect for both groups; and (3) decline in older adults' performance…

  13. Word and pseudoword superiority effects reflected in the ERP waveform.

    Science.gov (United States)

    Coch, Donna; Mitra, Priya

    2010-05-01

    A variant of the Reicher-Wheeler task was used to determine when in the event-related potential (ERP) waveform indices of word and pseudoword superiority effects might be present, and whether ERP measures of superiority effects correlated with standardized behavioral measures of orthographic fluency and single word reading. ERPs were recorded to briefly presented, masked letter strings that included real words (DARK/PARK), pseudowords (DARL/PARL), nonwords (RDKA/RPKA), and letter-in-xs (DXXX, PXXX) stimuli. Participants decided which of two letters occurred at a given position in the string (here, forced-choice alternatives D and P). Behaviorally, both word (more accurate choices for letters in words than in baseline nonwords or letter-in-xs) and pseudoword (more accurate choices for letters in pseudowords than in baseline conditions) superiority effects were observed. Electrophysiologically, effects of orthographic regularity and familiarity were apparent as early as the P150 time window (100-160ms), an effect of lexicality was observed as early as the N200 time window (160-200ms), and peak amplitude of the N300 and N400 also differentiated word and pseudoword as compared to baseline stimuli. Further, the size of the P150 and N400 ERP word superiority effects was related to standardized behavioral measures of fluency and reading. Results suggest that orthographic fluency is reflected in both lower-level, sublexical, perceptual processing and higher-level, lexical processing in fluently reading adults. PMID:20211607

  14. Comparing accuracy assessments to infer superiority of image classification methods

    NARCIS (Netherlands)

    Leeuw, de J.; Jia, H.; Liu, X.; Schmidt, K.S.; Skidmore, A.K.

    2006-01-01

    The z-test based on the Kappa statistic is commonly used to infer superiority of one map production method over another. Typically the same reference data set is used to calculate and next compare the Kappa's of the two maps. This data structure easily leads to dependence between the two error-matri

  15. Repair of the superior sulcus deformity using autogenous costal cartilage.

    Science.gov (United States)

    Sutula, F C; Thomas, O

    1982-05-01

    Superior sulcus deformity is a late sequela of surgical anophthalmos. Many methods have been proposed to treat this difficult problem. A technique using autogenous costal cartilage that has resulted in satisfactory repair is presented. In addition to standard photographs and exophthalmometry measurements to follow these patients, a specific device to accurately measure orbital volume gain after operation was fashioned. PMID:7099560

  16. Correlação entre os índices dopplervelocimétricos da veia cava inferior e ducto venoso e a concentração de hemoglobina do cordão em fetos de gestantes isoimunizadas

    Directory of Open Access Journals (Sweden)

    Taveira Marcos Roberto

    2003-01-01

    Full Text Available OBJETIVO: o objetivo principal desse estudo foi verificar se existe correlação entre os índices dopplervelocimétricos da veia cava inferior e do ducto venoso e a concentração sérica da hemoglobina fetal. MÉTODOS: estudo transversal e prospectivo, realizado entre janeiro de 1998 e junho de 2001. Foram acompanhadas 31 gestantes isoimunizadas com resultado do teste de Coombs indireto maior que 1:8, que foram submetidas à pesquisa de hemólise fetal. Quando foram indicadas as transfusões intra-uterinas intravasculares, a hemoglobina do cordão foi dosada no início do procedimento. Nos demais casos, a hemoglobina do cordão foi mensurada no momento do parto, sempre por cesariana eletiva. Obteve-se um total de 74 procedimentos estudados, definidos como sendo cada transfusão intra-uterina precedida pela dopplervelocimetria venosa. A mensuração da concentração da hemoglobina fetal foi realizada no Hemocue® (B-Hemoglobin Photometer Hemocue AB; Angelholm, Sweden, dispositivo usado para a determinação quantitativa de hemoglobina no sangue. A dopplervelocimetria da cava inferior e do ducto venoso foi realizada antecedendo a coleta do sangue fetal, sempre em intervalo de tempo inferior a 24 horas. Os índices dopplervelocimétricos estudados foram o índice de pulsatilidade para veias (IPV, o índice do pico de velocidade para veias (IPVV e a relação entre o pico de velocidade durante a fase de contração atrial e o pico de velocidade na sístole ventricular (relação CA/SV ou índice de pré-carga, na veia cava inferior, e o IPV, IPVV e a relação entre os picos de velocidade da sístole ventricular e da contração atrial (relação SV/CA, no ducto venoso. Foi realizado estudo de correlação entre a dopplervelocimetria da veia cava inferior e do ducto venoso e a hemoglobina do cordão, pela técnica de regressão linear simples. Realizou-se também estudo de associação entre os índices dopplervelocimétricos do compartimento

  17. Creation of an iOS and Android Mobile Application for Inferior Vena Cava (IVC) Filters: A Powerful Tool to Optimize Care of Patients with IVC Filters.

    Science.gov (United States)

    Deso, Steven E; Idakoji, Ibrahim A; Muelly, Michael C; Kuo, William T

    2016-06-01

    Owing to a myriad of inferior vena cava (IVC) filter types and their potential complications, rapid and correct identification may be challenging when encountered on routine imaging. The authors aimed to develop an interactive mobile application that allows recognition of all IVC filters and related complications, to optimize the care of patients with indwelling IVC filters. The FDA Premarket Notification Database was queried from 1980 to 2014 to identify all IVC filter types in the United States. An electronic search was then performed on MEDLINE and the FDA MAUDE database to identify all reported complications associated with each device. High-resolution photos were taken of each filter type and corresponding computed tomographic and fluoroscopic images were obtained from an institutional review board-approved IVC filter registry. A wireframe and storyboard were created, and software was developed using HTML5/CSS compliant code. The software was deployed using PhoneGap (Adobe, San Jose, CA), and the prototype was tested and refined. Twenty-three IVC filter types were identified for inclusion. Safety data from FDA MAUDE and 72 relevant peer-reviewed studies were acquired, and complication rates for each filter type were highlighted in the application. Digital photos, fluoroscopic images, and CT DICOM files were seamlessly incorporated. All data were succinctly organized electronically, and the software was successfully deployed into Android (Google, Mountain View, CA) and iOS (Apple, Cupertino, CA) platforms. A powerful electronic mobile application was successfully created to allow rapid identification of all IVC filter types and related complications. This application may be used to optimize the care of patients with IVC filters. PMID:27247483

  18. Creation of an iOS and Android Mobile Application for Inferior Vena Cava (IVC) Filters: A Powerful Tool to Optimize Care of Patients with IVC Filters.

    Science.gov (United States)

    Deso, Steven E; Idakoji, Ibrahim A; Muelly, Michael C; Kuo, William T

    2016-06-01

    Owing to a myriad of inferior vena cava (IVC) filter types and their potential complications, rapid and correct identification may be challenging when encountered on routine imaging. The authors aimed to develop an interactive mobile application that allows recognition of all IVC filters and related complications, to optimize the care of patients with indwelling IVC filters. The FDA Premarket Notification Database was queried from 1980 to 2014 to identify all IVC filter types in the United States. An electronic search was then performed on MEDLINE and the FDA MAUDE database to identify all reported complications associated with each device. High-resolution photos were taken of each filter type and corresponding computed tomographic and fluoroscopic images were obtained from an institutional review board-approved IVC filter registry. A wireframe and storyboard were created, and software was developed using HTML5/CSS compliant code. The software was deployed using PhoneGap (Adobe, San Jose, CA), and the prototype was tested and refined. Twenty-three IVC filter types were identified for inclusion. Safety data from FDA MAUDE and 72 relevant peer-reviewed studies were acquired, and complication rates for each filter type were highlighted in the application. Digital photos, fluoroscopic images, and CT DICOM files were seamlessly incorporated. All data were succinctly organized electronically, and the software was successfully deployed into Android (Google, Mountain View, CA) and iOS (Apple, Cupertino, CA) platforms. A powerful electronic mobile application was successfully created to allow rapid identification of all IVC filter types and related complications. This application may be used to optimize the care of patients with IVC filters.

  19. Total variation superiorization schemes in proton computed tomography image reconstruction

    CERN Document Server

    Penfold, S N; Censor, Y; Rosenfeld, A B

    2010-01-01

    Purpose: Iterative projection reconstruction algorithms are currently the preferred reconstruction method in proton computed tomography (pCT). However, due to inconsistencies in the measured data arising from proton energy straggling and multiple Coulomb scattering, noise in the reconstructed image increases with successive iterations. In the current work, we investigated the use of total variation superiorization (TVS) schemes that can be applied as an algorithmic add-on to perturbation-resilient iterative projection algorithms for pCT image reconstruction. Methods: The block-iterative diagonally relaxed orthogonal projections (DROP) algorithm was used for reconstructing Geant4 Monte Carlo simulated pCT data sets. Two TVS schemes added on to DROP were investigated; the first carried out the superiorization steps once per cycle and the second once per block. Simplifications of these schemes, involving the elimination of the computationally expensive feasibility proximity checking step of the TVS framework, we...

  20. Laparoscopic Pancreaticoduodenectomy: Right Posterior Superior Mesenteric Artery "First" Approach.

    Science.gov (United States)

    Pittau, Gabriella; Sànchez-Cabùs, Santiago; Laurenzi, Andrea; Gelli, Maximiliano; Cunha, Antonio Sa

    2015-12-01

    Pancreaticoduodenectomy (PD) is considered one of the most challenging abdominal operations for several reasons, including the anatomy, which is surrounded by vital vascular structures and also because of the serious complications that are possible in the postoperative period. Nowadays, thanks to the development of minimally invasive surgery and improvement of patients' selection, laparoscopic pancreatic resections have been proven to be technically feasible and safe especially in the case of left pancreatectomies. More recently, many series of laparoscopic PD for adenocarcinoma have been published demonstrating the feasibility of this technique. In pancreatic cancer, the advantage of superior mesenteric artery "first approach" is already known to achieve an oncological resection. The purpose of this video is to describe the different technical aspects of the laparoscopic superior mesenteric artery first approach in the right posterior fashion.

  1. La educación superior como eje del desarrollo

    OpenAIRE

    Benjamín Afanador Vargas; Rodolfo Cano Blandón; Fernando Copete Saldarriaga; Jairo Isaza Castro; Nohra León Rodríguez

    2003-01-01

    Este documento analiza cómo ha sido la interacción entre la política educativa y las estrategiasde desarrollo en Colombia, a lo largo del siglo XX. Se presenta una revisión del estadoactual de la educación en Colombia, tanto a nivel de educación básica y media, como de laeducación superior. Para ello se toman tres criterios básicos que son la cobertura, la calidady la equidad en el acceso a la educación. Para el caso de la educación superior, se comparala oferta de cupos con la demanda existe...

  2. Tullio phenomenon in superior semicircular canal dehiscence syndrome.

    Science.gov (United States)

    Basura, Gregory J; Cronin, Scott J; Heidenreich, Katherine D

    2014-03-18

    Tullio phenomenon refers to eye movements induced by sound.(1) This unusual examination finding may be seen in superior semicircular canal dehiscence (SSCD) syndrome.(2) This disorder is due to absent bone over the superior semicircular canal (figure). Patients complain of dizziness triggered by loud sound, aural fullness, autophony, and pulsatile tinnitus. When Tullio phenomenon exists in SSCD syndrome, the patient develops a mixed vertical-torsional nystagmus in which the slow phase rotates up and away from the affected ear (video on the Neurology® Web site at Neurology.org). This pattern of nystagmus aligns in the plane of the dehiscent semicircular canal and is due to excitation of its afferent nerves.

  3. Neural underpinnings of superior action prediction abilities in soccer players

    OpenAIRE

    Makris, Stergios; Urgesi, Cosimo

    2014-01-01

    The ability to form anticipatory representations of ongoing actions is crucial for effective interactions in dynamic environments. In sports, elite athletes exhibit greater ability than novices in predicting other players’ actions, mainly based on reading their body kinematics. This superior perceptual ability has been associated with a modulation of visual and motor areas by visual and motor expertise. Here, we investigated the causative role of visual and motor action representations in exp...

  4. Pseudoaneurysm of the superior gluteal artery following polytrauma

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Dennis [Vancouver General Hospital, University of British Columbia and Department of Radiology, Vancouver, BC (Canada); Legiehn, Gerald M. [Vancouver General Hospital, Interventional Radiology, University of British Columbia and Department of Radiology, Vancouver, BC (Canada); Munk, Peter L. [Vancouver General Hospital, MSK Section, University of British Columbia and Department of Radiology, Vancouver, BC (Canada)

    2007-09-15

    Gluteal artery aneurysms are rare and often secondary to pelvic fractures, blunt or penetrating trauma. We describe a case of a superior gluteal artery pseudoaneurysm that presented as back pain with numbness and weakness of the lower extremities. Diagnosis was confirmed by color Doppler sonography and angiography. A proximal and distal control was obtained over the aneurysm neck via coil embolization with excellent hemostasis within the pseudoaneurysm and maintenance of perfusion to the left pelvis. (orig.)

  5. Superior Mesenteric Artery Syndrome: An Infrequent Complication of Scoliosis Surgery

    OpenAIRE

    Metin Keskin; Turgut Akgül; Adem Bayraktar; Fatih Dikici; Emre Balık

    2014-01-01

    Case Report Superior Mesenteric Artery Syndrome: An Infrequent Complication of Scoliosis Surgery Metin Keskin,1 Turgut Akgül,2 Adem Bayraktar,1 Fatih Dikici,2 and Emre BalJk3 1 General Surgery Department, Istanbul Faculty of Medicine, Istanbul University, Capa, Millet Caddesi, 34093 Istanbul, Turkey 2Orthopedic Department, Istanbul Faculty of Medicine, Istanbul University, Capa, Millet Caddesi, 34093 Istanbul, Turkey 3 General Surgery Department, School of Medicine, Koc¸ Uni...

  6. False memories in highly superior autobiographical memory individuals

    OpenAIRE

    Patihis, L; Frenda, SJ; LePort, AKR; Petersen, N.; Nichols, RM; Stark, CEL; McGaugh, JL; Loftus, EF

    2013-01-01

    The recent identification of highly superior autobiographical memory (HSAM) raised the possibility that there may be individuals who are immune to memory distortions. We measured HSAM participants' and age- and sex-matched controls' susceptibility to false memories using several research paradigms. HSAM participants and controls were both susceptible to false recognition of nonpresented critical lure words in an associative word-list task. In a misinformation task, HSAM participants showed hi...

  7. Organizational self-awareness is the key to knowledge superiority

    OpenAIRE

    Rivera, Ricardo

    2015-01-01

    Approved for public release; distribution is unlimited This thesis proposes an integrated approach to develop and evaluate knowledge management systems and methodologies that deliver sustainable competitive advantages through knowledge superiority. Integration revolves around internal, structural factors that the organization can manipulate to achieve its strategic goals. The fundamental concept behind the research is that an organization’s self-awareness allows leaders to select the best ...

  8. Information Superiority generated through proper application of Geoinformatics

    Science.gov (United States)

    Teichmann, F.

    2012-04-01

    Information Superiority generated through proper application of Geoinformatics Information management and especially geoscience information delivery is a very delicate task. If it is carried out successfully, geoscientific data will provide the main foundation of Information Superiority. However, improper implementation of geodata generation, assimilation, distribution or storage will not only waste valuable resources like manpower or money, but could also give rise to crucial deficiency in knowledge and might lead to potentially extremely harmful disasters or wrong decisions. Comprehensive Approach, Effect Based Operations and Network Enabled Capabilities are the current buzz terms in the security regime. However, they also apply to various interdisciplinary tasks like catastrophe relief missions, civil task operations or even in day to day business operations where geo-science data is used. Based on experience in the application of geoscience data for defence applications the following procedure or tool box for generating geodata should lead to the desired information superiority: 1. Understand and analyse the mission, the task and the environment for which the geodata is needed 2. Carry out a Information Exchange Requirement between the user or customer and the geodata provider 3. Implementation of current interoperability standards and a coherent metadata structure 4. Execute innovative data generation, data provision, data assimilation and data storage 5. Apply a cost-effective and reasonable data life cycle 6. Implement IT security by focusing of the three pillar concepts Integrity, Availability and Confidentiality of the critical data 7. Draft and execute a service level agreement or a memorandum of understanding between the involved parties 8. Execute a Continuous Improvement Cycle These ideas from the IT world should be transferred into the geoscience community and applied in a wide set of scenarios. A standardized approach of how to generate, provide

  9. CURRENT COLLOIDAL DISPERSION GELS ARE NOT SUPERIOR TO POLYMER FLOODING

    Institute of Scientific and Technical Information of China (English)

    Seright Randy; Han Peihui; Wang Dongmei

    2006-01-01

    The suggestion that the colloidal-dispersion-gel (CDG) process is superior to normal polymer flooding is misleading and generally incorrect. Colloidal dispersion gels, in their present state of technological development, should not be advocated as an improvement to, or substitute for, polymer flooding. Gels made from aluminum-citrate crosslinked polyacrylamides can act as conventional gels and provide effective conformance improvement in treating some types of excess water production problems if sound scientific and engineering principles are respected.

  10. Anger superiority effect: The importance of dynamic emotional facial expressions

    OpenAIRE

    F.Ceccarini; C.Caudek

    2013-01-01

    A rapid response to a threatening face in a crowd is important to successfully interact in social environments. Visual search tasks have been employed to determine whether there is a processing advantage for detecting an angry face in a crowd, compared to a happy face. The empirical findings supporting the anger superiority effect (ASE), however, have been criticized on the basis of possible low-level visual confounds and because of the limited ecological validity of the stimuli. Moreover, a ...

  11. CETSI: uma proposta para um novo paradigma de ensino superior

    OpenAIRE

    Gomes Pires, José A.; Francisco José GARCÍA-PEÑALVO; Martins do Amaral, Luis Alfredo; Pérez Iglesias, José Luis

    2005-01-01

    The courses of technologic specialization play a important role in the new paradigm of education learning, that is desired to be more flexible and adjusted to the demands of highly selective professional environment. To fit the concept of formation throughout life, in the context of the reforms proposed in the scope of the declaration of Bologna that considers the construction of a uniform space of superior education, constitutes a challenge for the universities and polytechnics of Portugal...

  12. Controlled movement processing: superior colliculus activity associated with countermanded saccades.

    Science.gov (United States)

    Paré, Martin; Hanes, Doug P

    2003-07-23

    We investigated whether the monkey superior colliculus (SC), an important midbrain structure for the regulation of saccadic eye movements, contains neurons with activity patterns sufficient to control both the cancellation and the production of saccades. We used a countermanding task to manipulate the probability that, after the presentation of a stop signal, the monkeys canceled a saccade that was planned in response to an eccentric visual stimulus. By modeling each animal's behavioral responses, with a race between GO and STOP processes leading up to either saccade initiation or cancellation, we estimated that saccade cancellation took on average 110 msec. Neurons recorded in the superior colliculus intermediate layers during this task exhibited the discharge properties expected from neurons closely involved in behavioral control. Both saccade- and fixation-related discharged differently when saccades were counter-manded instead of executed, and the time at which they changed their activity preceded the behavioral estimate of saccade cancellation obtained from the same trials by 10 and 13 msec, respectively. Furthermore, these intervals exceed the minimal amount of time needed for SC activity to influence eye movements. The additional observation that saccade-related neurons discharged significantly less when saccades were countermanded instead of executed suggests that saccades are triggered when these neurons reach a critical activation level. Altogether, these findings provide solid evidence that the superior colliculus contains the necessary neural signals to be directly involved in the decision process that regulates whether a saccade is to be produced. PMID:12878689

  13. Superior metallic alloys through rapid solidification processing (RSP) by design

    Energy Technology Data Exchange (ETDEWEB)

    Flinn, J.E. [Idaho National Engineering Laboratory, Idaho Falls, ID (United States)

    1995-05-01

    Rapid solidification processing using powder atomization methods and the control of minor elements such as oxygen, nitrogen, and carbon can provide metallic alloys with superior properties and performance compared to conventionally processing alloys. Previous studies on nickel- and iron-base superalloys have provided the baseline information to properly couple RSP with alloy composition, and, therefore, enable alloys to be designed for performance improvements. The RSP approach produces powders, which need to be consolidated into suitable monolithic forms. This normally involves canning, consolidation, and decanning of the powders. Canning/decanning is expensive and raises the fabrication cost significantly above that of conventional, ingot metallurgy production methods. The cost differential can be offset by the superior performance of the RSP metallic alloys. However, without the performance database, it is difficult to convince potential users to adopt the RSP approach. Spray casting of the atomized molten droplets into suitable preforms for subsequent fabrication can be cost competitive with conventional processing. If the fine and stable microstructural features observed for the RSP approach are preserved during spray casing, a cost competitive product can be obtained that has superior properties and performance that cannot be obtained by conventional methods.

  14. Water quality of streams tributary to Lakes Superior and Michigan

    Science.gov (United States)

    Zimmerman, Jerome W.

    1968-01-01

    Water quality of streams tributary to Lakes Superior and Michigan was analyzed for 142 stations on 99 streams tributary to Lake Superior and 83 stations on 56 streams tributary to Lake Michigan during 1962-65. Concentrations of aluminum, copper, and iron were not affected greatly by flow or season. Magnesium, calcium, chlorides, total alkalinity, total hardness, and conductivity varied with the flow, temperature, and season; the lowest values were during the spring runoff and heavy rains, and the highest were during low water in late summer and the colder periods of winter. Concentrations of nitrate, silica, and sulfates were lowest in the spring and summer. Concentrations of tanninlike and ligninlike compounds were highest during the spring runoff and other high-water periods, and were lowest during freezeup when surface runoff was minimal. The pH values were highest from June to September and lowest during the spring runoff. Phenolphthalein alkalinity was detected primarily in the summer and coincided occasionally with low flows just before the spring thaw. Total hardness usually was lower in streams tributary to Lake Superior than in streams tributary to Lake Michigan. The total hardness was higher in the streams in Wisconsin than in the streams in Michigan along the west shore of Lake Michigan. It was lowest in the northernmost streams. The water quality of the streams in an area was related to the geological characteristics of the land.

  15. Preference for Audiovisual Speech Congruency in Superior Temporal Cortex.

    Science.gov (United States)

    Lüttke, Claudia S; Ekman, Matthias; van Gerven, Marcel A J; de Lange, Floris P

    2016-01-01

    Auditory speech perception can be altered by concurrent visual information. The superior temporal cortex is an important combining site for this integration process. This area was previously found to be sensitive to audiovisual congruency. However, the direction of this congruency effect (i.e., stronger or weaker activity for congruent compared to incongruent stimulation) has been more equivocal. Here, we used fMRI to look at the neural responses of human participants during the McGurk illusion--in which auditory /aba/ and visual /aga/ inputs are fused to perceived /ada/--in a large homogenous sample of participants who consistently experienced this illusion. This enabled us to compare the neuronal responses during congruent audiovisual stimulation with incongruent audiovisual stimulation leading to the McGurk illusion while avoiding the possible confounding factor of sensory surprise that can occur when McGurk stimuli are only occasionally perceived. We found larger activity for congruent audiovisual stimuli than for incongruent (McGurk) stimuli in bilateral superior temporal cortex, extending into the primary auditory cortex. This finding suggests that superior temporal cortex prefers when auditory and visual input support the same representation.

  16. Anatomo-radiological study of the Superior Semicircular Canal Dehiscence

    Energy Technology Data Exchange (ETDEWEB)

    Crovetto, M., E-mail: macdlt@telefonica.net [Otolaryngology Department, Hospital de Basurto, University of the Basque Country, Avenida de Montevideo 18, Bilbao 48013, Vizcaya (Spain); Whyte, J., E-mail: jwhite@unizar.es [Faculty of Medicine, Department of Human Anatomy and Histology, University of Zaragoza, C/Domingo Mirall s/n, Zaragoza (Spain); Rodriguez, O.M., E-mail: OLIVIAMARIA.RODRIGUEZSANVICENT@osakidetza.net [Hospital de Cruces, Baracaldo, Vizcaya (Spain); Lecumberri, I., E-mail: INIGO.LECUMBERRICORTES@osakidetza.net [Hospital de Basurto, Avenida Montevideo 18, Bilbao 498013 (Spain); Martinez, C., E-mail: claudiorayosx@yahoo.es [Hospital General de la Defensa, Via Iberica s/n Zaragoza (Spain); Elexpuru, J., E-mail: jelexpuru@mac.com [Hospital de Basurto, Avenida de Montevideo 18, Bilbao 48013, Vizcaya (Spain)

    2010-11-15

    Introduction: The main purpose of this study is to determine the radiological incidence of Superior (SSCD) and Posterior Semicircular Canal Dehiscence (PSCD) and to compare radiologic SSCD to the incidence of this condition on cadaver specimen. We have also analysed the relation between the ossification state of the semicircular canals and the degree of mastoid pneumatization and integrity of Tegmen Tympani. Material and methods: Temporal bones have been investigated by means of CT scan on patients and direct observation on cadaver specimen, respectively. Results: 604 ears and 160 cadaver temporal bones have been investigated by means of CT scan and direct observation, respectively. 3.6% and 0.3% of the studied ears had SSCD and PSCD, respectively, on CT scan. Only 0.6% of the cadaver specimen ears did have anatomical SSCD. Degree of pneumatization of the mastoid bone is related to the mean thickness of bone overlying the Superior and Posterior Semicircular Canal. Radiological absence of Tegmen Tympani is more frequent in ears that also have radiologic SSCD. Conclusion: CT scanning gives higher incidence figures of SSCD than anatomical studies, 3.6% vs. 0.6%. We also found a 0.6% incidence of radiological PSCD in the studied ears. There is a direct relation between the degree of ossification of Superior and Posterior Semicircular Canal and certain temporal bone anatomic features: temporal bone pneumatization and absence/presence of Tegmen Tympani or Antri.

  17. Cooperation between ligninolytic enzymes produced by superior mixed flora

    Institute of Scientific and Technical Information of China (English)

    WANG Hai-lei; LI Zong-yi; GUO Wei-yun; WANG Zhen-yu; PAN Feng

    2005-01-01

    Since the ability to degrade lignin with one kind of white-rot fungi or bacteria was very limited, superior mixed flora's ability to degrade lignin was investigated by an orthogonal experiment in this paper. The results showed that superior mixed flora reinforced the ability to degrade lignin, the degradation rates of both sample 9 and 10 were beyond 80% on the day 9. The cooperation between lignin peroxidase(LiP), Mn-dependent peroxidase(MnP) and laccase (Lac) for lignin degradation was also studied. By examining the activities of three enzymes produced by superior mixed flora, it was found that Lac was a key enzyme in the process of biological degradation of lignin but Lip was not; the enzyme activity ratios of Lac/MnP and Lac/LiP were significantly correlative with the degradation rate of lignin at the 0.01 level; and the ratio of MnP/LiP was an important factor affecting the degradation rate of lignin.

  18. Prey selection by the Lake Superior fish community

    Science.gov (United States)

    Isaac, Edmund J.; Hrabik, Thomas R.; Stockwell, Jason D.; Gamble, Allison E.

    2012-01-01

    Mysis diluviana is an important prey item to the Lake Superior fish community as found through a recent diet study. We further evaluated this by relating the quantity of prey found in fish diets to the quantity of prey available to fish, providing insight into feeding behavior and prey preferences. We describe the seasonal prey selection of major fish species collected across 18 stations in Lake Superior in spring, summer, and fall of 2005. Of the major nearshore fish species, bloater (Coregonus hoyi), rainbow smelt (Osmerus mordax), and lake whitefish (Coregonus clupeaformis) consumed Mysis, and strongly selected Mysis over other prey items each season. However, lake whitefish also selected Bythotrephes in the fall when Bythotrephes were numerous. Cisco (Coregonus artedi), a major nearshore and offshore species, fed largely on calanoid copepods, and selected calanoid copepods (spring) and Bythotrephes (summer and fall). Cisco also targeted prey similarly across bathymetric depths. Other major offshore fish species such as kiyi (Coregonus kiyi) and deepwater sculpin (Myoxocephalus thompsoni) fed largely on Mysis, with kiyi targeting Mysis exclusively while deepwater sculpin did not prefer any single prey organism. The major offshore predator siscowet lake trout (Salvelinus namaycush siscowet) consumed deepwater sculpin and coregonines, but selected deepwater sculpin and Mysis each season, with juveniles having a higher selection for Mysis than adults. Our results suggest that Mysis is not only a commonly consumed prey item, but a highly preferred prey item for pelagic, benthic, and piscivorous fishes in nearshore and offshore waters of Lake Superior.

  19. Stomatitis sub-prosthesis in patients with superior dental prosthesis

    Directory of Open Access Journals (Sweden)

    Antonia Martina Francisco Local

    2009-04-01

    Full Text Available Background: The stomatitis sub-prosthesis is one of the most frequent changes in hard palate mucous membrane in patients with mucous-supported dental prosthesis. It can be caused by multiple factors, which makes its study and prognosis more difficult. Objective: To describe the occurrence of stomatitis sub-prosthesis and its causes in patients with superior dental prosthesis. Method: Descriptive study including all the patients with superior dental prosthesis examined in the odontology consultation “Barrio Adentro” in the state of Miranda, Venezuela, from November, 2005 to March, 2006. The analysed variables were: age, sex, stomatitis level, teeth brushing frequency, prosthesis condition and use, palate mucous condition and frequency of odontology consultations. Results: 89 patients were attended, more 50% of them had superior dental prosthesis and presented stomatitis sub-prosthesis; the group between 35 and 59 years was the most affected, mainly females. Sub-prosthesis stomatitis type II was the most common and the main causes included constant use of the prosthesis and loose prosthesis. Buccal hygiene was not adequate in these patients. Most of them declared never attending to the dentist, or just when presenting some particular problem. Conclusion: Stomatitis prevalence was related with incorrect hygiene habits and lack of knowledge; it shows the importance of performing educative tasks to reduce this disease incidence.  

  20. Arthroscopic Superior Capsule Reconstruction for Irreparable Rotator Cuff Tears

    Science.gov (United States)

    Mihata, Teruhisa; Lee, Thay Q.; Itami, Yasuo; HASEGAWA, Akihiko; Ohue, Mutsumi; Neo, Masashi

    2016-01-01

    Objectives: An arthroscopic superior capsule reconstruction, in which the fascia lata autograft attached medially to the superior glenoid and laterally to the greater tuberosity, restores shoulder stability and muscle balance in patients with irreparable rotator cuff tears; consequently, it improves shoulder function specifically deltoid muscle function and relieves pain. We assessed the clinical outcome of arthroscopic superior capsule reconstruction (Figure 1) in 100 consecutive patients with irreparable rotator cuff tears. Specifically, we focused on the rates of return to sport and work. Methods: From 2007 to 2014, we performed arthroscopic superior capsule reconstruction on 107 consecutive patients (mean 66.7 years; range, 43 to 82) with irreparable rotator cuff tears that had failed conservative treatment. Seven patients were lost to follow-up because of other medical problems or reasons. In the remaining 100 patients there were 56 supraspinatus and infraspinatus tears; 39 supraspinatus, infraspinatus, and subscapularis tears; 3 supraspinatus, infraspinatus, teres minor, and subscapularis tears; and 2 supraspinatus, infraspinatus, and teres minor tears. Physical examination, radiography, and MRI were performed before surgery; at 3, 6, and 12 months after surgery; and yearly thereafter. Rates of return to sport and work were also investigated in those patients who had been employed (34 patients: 21 manual workers, 10 farmers, 1 butcher, 1 cook, and 1 athletic trainer) or played sport (26 patients: 6 golf, 4 table tennis, 4 swimming, 3 martial arts, 2 baseball, 2 yoga, 1 tennis, 1 badminton, 1 skiing, 1 mountain-climbing, and 1 ground golf) before injury. Results: The average preoperative American Shoulder and Elbow Surgeons (ASES) score was 31.6 points (range, 3.3 to 63.3 points) and the average Japanese Orthopaedic Association (JOA) score was 51.6 points (26.5 to 68.5 points). Average postoperative clinical outcome scores all improved significantly at final