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Sample records for interventional radiology society

  1. Society of Interventional Radiology

    Science.gov (United States)

    ... Picture yourself in L.A. Register now SIR Essentials Purchase/register Search SIR's entire catalog for educational ... Quality Improvement Clinical practice MACRA Matters Health Policy, Economics, Coding Toolkits Society of Interventional Radiology 3975 Fair ...

  2. New era of the relationship between Chinese interventional radiology sub-society and journal of interventional radiology

    International Nuclear Information System (INIS)

    Li Linsun

    2009-01-01

    The past decades have witnessed interventional radiology in China to go from a very initial clinical practice to an important medical player in modern medicine. Recently, a friendly collaboration has been successfully established between the Chinese Interventional Radiology Sub-society and the Journal of Interventional Radiology. The Chinese Interventional Radiology Sub-society will take the full responsibility for the academic governance of the Journal of Interventional Radiology and the Journal of Interventional Radiology will formally become the sole interventional academic periodical of the Chinese Interventional Radiology Sub-society in China. This collaboration will surely make Chinese interventional radiology to initiate a new era,promote the further development of interventional radiology at home and enable the Journal of Interventional Radiology to step into the international medical circle. (authors)

  3. The Interventional Radiology (IR) Gender Gap: A Prospective Online Survey by the Cardiovascular and Interventional Radiological Society of Europe (CIRSE).

    Science.gov (United States)

    Wah, Tze Min; Belli, Anna Maria

    2018-05-22

    A prospective online survey was conducted by the Cardiovascular Interventional Radiological Society of Europe (CIRSE) to evaluate the gender gap within interventional radiology (IR) and the barriers facing women in IR. A questionnaire ("Appendix") was devised by the authors and the CIRSE communication and publication team and sent electronically to 750 identifiable female members of CIRSE. Responses were collected from 7 August to 24 August 2017. The response rate was 19.9% (n = 149) with highest responses from UK (18%), Italy (11%), Germany (11%), Spain (7%), Netherlands (5%), France (5%), Sweden (4%), USA (4%). 91% of the respondents were between 31 and 46 years, 83% work full time, 62% spend > 50% of their working time in IR, and 67% practice in a university or tertiary referral institution. 85% were in the minority in their department. 52% had no leadership role in their department, but 67% expressed willingness to consider a leadership position. Their main concerns were work/family life balance, the risks of radiation exposure, the effect of pregnancy on training and practice and the male-dominated work environment. This survey highlights issues experienced by women in IR. Clear guidance on concerns regarding radiation exposure particularly during pregnancy is needed. Structured and supportive training is required for female IRs who may wish to train or work flexibly. The male-dominated environment is discouraging, and a scheme to promote female IRs would encourage women to take on senior leadership positions and attract more women into the specialty.

  4. Poul Erik Andersen's radiological work on Osteochondrodysplasias and interventional radiology

    DEFF Research Database (Denmark)

    Andersen, Poul Erik

    2011-01-01

    Hospital. His significant experience and extensive scientific work has led to many posts in the Danish Society of Interventional Radiology, the European Society of Radiology and the Cardiovascular and Interventional Radiological Society of Europe, where he is a fellow and has passed the European Board...... of Interventional Radiology - The European qualification in Interventional Radiology....

  5. Guidelines for radiological interventions

    International Nuclear Information System (INIS)

    Kauffmann, G.W.

    1998-01-01

    The German Radiological Society, in cooperation with other German professional bodies, set up draft Guidelines for Radiological Interventions and submitted them to the professional community for discussion. The Guidelines are meant to assess the potential of radiological interventions as treatment alternatives to surgery or aggressive therapy such as chemotherapy. In fact, technical practicability on its own is insufficient to warrant intervention. The Guidelines are systematically compiled notions and recommendations whose aim it is to provide support to physicians and patients in choosing suitable medical care provisions (prevention, diagnosis, therapy, aftertreatment) in specific circumstances. A complete Czech translation of the Guidelines is given. (P.A.)

  6. British Society of Interventional Radiology: Biliary Drainage and Stenting Registry (BDSR)

    International Nuclear Information System (INIS)

    Uberoi, R.; Das, N.; Moss, J.; Robertson, I.

    2012-01-01

    Objectives: This study was designed to audit current practice in percutaneous biliary drainage and stenting in the United Kingdom. Methods: In 2006, the British Society of Interventional Radiology set up the first web-based Biliary Drainage and Stenting Registry (BDSR). This consisted of a series of tick sheets, which were completed online. Data collection included technical and clinical success of the procedures and outcomes at discharge with a separate form for any follow-up visits. Two months before data analysis, all contributors were asked via email to complete any outstanding data. This paper reports on data collected between November 1, 2006 and August 18, 2009. Results: A total of 833 procedures were recorded and were entered by 62 operators from 44 institutions within the United Kingdom. There were 455 men and 378 women with a median age of 69 (range 20–101) years.The majority of procedures were performed by a consultant. Successful drainage of the biliary tree was achieved in 98.7%. Partial or complete relief of symptoms was seen in 65% of patients. Minor complications, predominantly pain (14.3%), were seen in 26% and major complications, predominantly sepsis (3.5%), were seen in 7.9% of patients. Conclusions: These figures provide an essential benchmark for both audit and patient information. Identifying areas of good practice and those that require improvement will ultimately result in better patient care.

  7. Review the past and look forward the future: in celebration of 20 anniversary of(Chinese Society of Interventional Radiology)

    International Nuclear Information System (INIS)

    Li Linsun

    2010-01-01

    This paper aims to make a brief review of the Chinese Society of Interventional Radiology in the past 20 years since it was established and to put forward some personal suggestions. The article will mainly describe the following contents: (1) to make suggestions to set up a standard organization of Chinese Interventional Society; (2) to demand interventional radiologist to be a real clinical doctor, to take care of their own patients for full course, to practice all kinds of minimally-invasive therapy; (3) to improve the ability of scientific research work; (4) to perfect the system of education, training and promotion in interventional radiology field; (5) to strengthen the special team of interventional radiologists; (6) to raise the academic level and status of the 'Journal of Interventional Radiology'; (7) to heighten the quality of academic activity and to intensify the organization system of interventional discipline; (8) to correctly deal with the competition between different subjects; and (9) to improve and perfect our own interventional job.(authors)

  8. British Society of Interventional Radiology (BSIR) Inferior Vena Cava (IVC) Filter Registry

    International Nuclear Information System (INIS)

    Uberoi, Raman; Tapping, Charles Ross; Chalmers, Nicholas; Allgar, Victoria

    2013-01-01

    Purpose: The British Society of Interventional Radiology (BSIR) Inferior Vena Cava (IVC) Filter Registry was produced to provide an audit of current United Kingdom (UK) practice regarding placement and retrieval of IVC filters to address concerns regarding their safety. Methods: The IVC filter registry is a web-based registry, launched by the BSIR on behalf of its membership in October 2007. This report is based on prospectively collected data from October 2007 to March 2011. This report contains analysis of data on 1,434 IVC filter placements and 400 attempted retrievals performed at 68 UK centers. Data collected included patient demographics, insertion and retrieval data, and patient follow-up. Results: IVC filter use in the majority of patients in the UK follows accepted CIRSE guidelines. Filter placement is usually a low-risk procedure, with a low major complication rate ( 9 weeks versus those with a shorter dwell time. New lower limb deep vein thrombosis (DVT) and/or IVC thrombosis was reported in 88 patients following filter placement, there was no significant difference of incidence between filter types. Conclusions: This registry report provides interventional radiologists and clinicians with an improved understanding of the technical aspects of IVC filter placement to help improve practice, and the potential consequences of IVC filter placement so that we are better able to advise patients. There is a significant learning curve associated with IVC filter insertion, and when a filter is placed with the intention of removal, procedures should be in place to avoid the patient being lost to follow-up

  9. British Society of Interventional Radiology (BSIR) Inferior Vena Cava (IVC) Filter Registry

    Energy Technology Data Exchange (ETDEWEB)

    Uberoi, Raman, E-mail: raman.Uberoi@orh.nhs.uk; Tapping, Charles Ross [Oxford University Hospitals, John Radcliffe Hospital, Department of Radiology (United Kingdom); Chalmers, Nicholas [Manchester Royal Infirmary, Department of Radiology (United Kingdom); Allgar, Victoria [University of York, Hull and York Medical School (United Kingdom)

    2013-12-15

    Purpose: The British Society of Interventional Radiology (BSIR) Inferior Vena Cava (IVC) Filter Registry was produced to provide an audit of current United Kingdom (UK) practice regarding placement and retrieval of IVC filters to address concerns regarding their safety. Methods: The IVC filter registry is a web-based registry, launched by the BSIR on behalf of its membership in October 2007. This report is based on prospectively collected data from October 2007 to March 2011. This report contains analysis of data on 1,434 IVC filter placements and 400 attempted retrievals performed at 68 UK centers. Data collected included patient demographics, insertion and retrieval data, and patient follow-up. Results: IVC filter use in the majority of patients in the UK follows accepted CIRSE guidelines. Filter placement is usually a low-risk procedure, with a low major complication rate (<0.5 %). Cook Gunther Tulip (560 filters: 39 %) and Celect (359 filters: 25 %) filters constituted the majority of IVC filters inserted, with Bard G2, Recovery filters, Cordis Trapease, and OptEase constituting most of the remainder (445 filters: 31 %). More than 96 % of IVC filters deployed as intended. Operator inexperience (<25 procedure) was significantly associated with complications (p < 0.001). Of the IVC filters initially intended for temporary placement, retrieval was attempted in 78 %. Of these retrieval was technically successful in 83 %. Successful retrieval was significantly reduced for implants left in situ for >9 weeks versus those with a shorter dwell time. New lower limb deep vein thrombosis (DVT) and/or IVC thrombosis was reported in 88 patients following filter placement, there was no significant difference of incidence between filter types. Conclusions: This registry report provides interventional radiologists and clinicians with an improved understanding of the technical aspects of IVC filter placement to help improve practice, and the potential consequences of IVC filter

  10. Cardiovascular and Interventional Radiological Society of Europe Commentary on the Treatment of Chronic Cerebrospinal Venous Insufficiency

    Energy Technology Data Exchange (ETDEWEB)

    Reekers, J. A., E-mail: j.a.reekers@amc.uva.nl [AMC, University of Amsterdam, Department of Radiology (Netherlands); Lee, M J [Beaumont Hospital, Department of Academic Radiology (Ireland); Belli, A M [St. George' s Hospital, Department of Radiology (United Kingdom); Barkhof, F [MS Center Amsterdam, VU University Medical Center, Department of Radiology (Netherlands)

    2011-02-15

    directly approached by MS patients, contact the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) for advice. Worldwide, several centres are actively promoting and performing balloon dilatation, with or without stenting, for CCSVI. Thus far, no trial data are available, and there is currently no randomized controlled trial (RCT) in progress Therefore, the basis for this new treatment rests on anecdotal evidence and successful testimonies by patients on the Internet. CIRSE believes that this is not a sound basis on which to offer a new treatment, which could have possible procedure-related complications, to an often desperate patient population.

  11. Cardiovascular and Interventional Radiological Society of Europe commentary on the treatment of chronic cerebrospinal venous insufficiency.

    LENUS (Irish Health Repository)

    Reekers, J A

    2011-02-01

    , who are directly approached by MS patients, contact the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) for advice. Worldwide, several centres are actively promoting and performing balloon dilatation, with or without stenting, for CCSVI. Thus far, no trial data are available, and there is currently no randomized controlled trial (RCT) in progress Therefore, the basis for this new treatment rests on anecdotal evidence and successful testimonies by patients on the Internet. CIRSE believes that this is not a sound basis on which to offer a new treatment, which could have possible procedure-related complications, to an often desperate patient population.

  12. Cardiovascular and Interventional Radiological Society of Europe Commentary on the Treatment of Chronic Cerebrospinal Venous Insufficiency

    International Nuclear Information System (INIS)

    Reekers, J. A.; Lee, M. J.; Belli, A. M.; Barkhof, F.

    2011-01-01

    , who are directly approached by MS patients, contact the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) for advice. Worldwide, several centres are actively promoting and performing balloon dilatation, with or without stenting, for CCSVI. Thus far, no trial data are available, and there is currently no randomized controlled trial (RCT) in progress Therefore, the basis for this new treatment rests on anecdotal evidence and successful testimonies by patients on the Internet. CIRSE believes that this is not a sound basis on which to offer a new treatment, which could have possible procedure-related complications, to an often desperate patient population.

  13. Radiological protection in interventional radiology

    International Nuclear Information System (INIS)

    Padovani, R.

    2001-01-01

    Interventional radiology (IR) reduces the need for many traditional interventions, particularly surgery, so reducing the discomfort and risk for patients compared with traditional systems. IR procedures are frequently performed by non-radiologist physicians, often without the proper radiological equipment and sufficient knowledge of radiation protection. Levels of doses to patients and staff in IR vary enormously. A poor correlation exists between patient and staff dose, and large variations of dose are reported for the same procedure. The occurrence of deterministic effects in patients is another peculiar aspect of IR owing to the potentially high skin doses of some procedures. The paper reviews the use of IR and the radiological protection of patients and staff, and examines the need for new standards for IR equipment and the training of personnel. (author)

  14. White Paper: Curriculum in Interventional Radiology.

    Science.gov (United States)

    Mahnken, Andreas H; Bücker, Arno; Hohl, Christian; Berlis, Ansgar

    2017-04-01

    Purpose  Scope and clinical importance of interventional radiology markedly evolved over the last decades. Consequently it was acknowledged as independent subspecialty by the "European Union of Medical Specialists" (UEMS). Based on radiological imaging techniques Interventional Radiology is an integral part of Radiology. Materials und Methods  In 2009 the German Society for Interventional Radiology and minimally-invasive therapy (DeGIR) developed a structured training in Interventional Radiology. In cooperation with the German Society of Neuroradiology (DGNR) this training was extended to also cover Interventional Neuroradiology in 2012. Tailored for this training in Interventional Radiology a structured curriculum was developed, covering the scope of this modular training. Results  The curriculum is based on the DeGIR/DGNR modular training concept in Interventional Radiology. There is also an European Curriculum and Syllabus for Interventional Radiology developed by the "Cardiovascular and Interventional Radiological Society of Europe" (CIRSE). The presented curriculum in Interventional Radiology is designed to provide a uniform base for the training in Interventional Radiology in Germany, based on the competencies obtained during residency. Conclusion  This curriculum can be used as a basis for training in Interventional Radiology by all training sites. Key Points: · Interventional Radiology is an integral part of clinical radiology. · The German Society for Interventional Radiology and minimally-invasive therapy (DeGIR) developed a curriculum in Interventional Radiology. · This curriculum is an integrative basis for the training in interventional. Citation Format · Mahnken AH, Bücker A, Hohl C et al. White Paper: Curriculum in Interventional Radiology. Fortschr Röntgenstr 2017; 189: 309 - 311. © Georg Thieme Verlag KG Stuttgart · New York.

  15. A study of inventiveness among Society of Interventional Radiology members and the impact of their social networks.

    Science.gov (United States)

    Murphy, Kieran J; Elias, Gavin; Jaffer, Hussein; Mandani, Rashesh

    2013-07-01

    To investigate the nature of inventiveness among members of the Society of Interventional Radiology (SIR) and learn what influenced the inventors and assisted their creativity. The membership directory of the SIR was cross-referenced with filings at the United States Patent and Trademark Organization (USPTO) and the Patent Cooperation Treaty (PCT). The inventors were queried with an online survey to illuminate their institutions of training and practice as well as enabling or inhibiting factors to their inventiveness. Responses were analyzed through the construction of social network maps and thematic and graphical analysis. It was found that 457 members of the SIR held 2,492 patents or patent filings. After 1986, there was a marked and sustained increase in patent filings. The online survey was completed by 73 inventors holding 470 patents and patent filings. The social network maps show the key role of large academic interventional radiology departments and individual inventors in the formation of interconnectivity among inventors and the creation of the intellectual property (IP). Key inhibitors of the inventive process include lack of mentorship, of industry contacts, and of legal advice. Key enablers include mentorship, motivation, and industry contacts. Creativity and inventiveness in SIR members stem from institutions that are hubs of innovation and networks of key innovators; inventors are facilitated by personal motivation, mentorship, and strong industry contacts. Copyright © 2013 SIR. Published by Elsevier Inc. All rights reserved.

  16. Interventional Radiology in Paediatrics.

    Science.gov (United States)

    Chippington, Samantha J; Goodwin, Susie J

    2015-01-01

    As in adult practice, there is a growing role for paediatric interventional radiology expertise in the management of paediatric pathologies. This review is targeted for clinicians who may refer their patients to paediatric interventional radiology services, or who are responsible for patients who are undergoing paediatric interventional radiology procedures. The article includes a brief overview of the indications for intervention, techniques involved and the commonest complications. Although some of the procedures described are most commonly performed in a tertiary paediatric centre, many are performed in most Children's hospitals.

  17. Diagnostic and interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Vogl, Thomas J. [Klinikum der Johann Wolfgang Goethe-Universitaet, Frankfurt am Main (Germany). Inst. fuer Diagnostische und Interventionelle Radiologie; Reith, Wolfgang [Universitaetsklinikum des Saarlandes, Homburg/Saar (Germany). Klinik fuer Diagnostische und Interventionelle Neuroradiologie; Rummeny, Ernst J. (ed.) [Technische Univ. Muenchen Klinikum rechts der Isar, Muenchen (Germany). Inst. fuer Radiologie

    2016-08-01

    This exceptional book covers all aspects of diagnostic and interventional radiology within one volume, at a level appropriate for the specialist. From the basics through diagnosis to intervention: the reader will find a complete overview of all areas of radiology. The clear, uniform structure, with chapters organized according to organ system, facilitates the rapid retrieval of information. Features include: Presentation of the normal radiological anatomy Classification of the different imaging procedures according to their diagnostic relevance Imaging diagnosis with many reference images Precise description of the interventional options The inclusion of many instructive aids will be of particular value to novices in decision making: Important take home messages and summaries of key radiological findings smooth the path through the jungle of facts Numerous tables on differential diagnosis and typical findings in the most common diseases offer a rapid overview and orientation Diagnostic flow charts outline the sequence of diagnostic evaluation All standard procedures within the field of interventional radiology are presented in a clinically relevant and readily understandable way, with an abundance of illustrations. This is a textbook, atlas, and reference in one: with more than 2500 images for comparison with the reader's own findings. This comprehensive and totally up-to-date book provides a superb overview of everything that the radiology specialist of today needs to know.

  18. Practical interventional radiology

    International Nuclear Information System (INIS)

    Lammer, J.; Schreyer, H.

    1991-01-01

    The book is intended as a practical guide and manual for interventional radiology applications. Main emphasis is placed on the performance of the various techniques, with explanations of the various steps to be taken, illustrated by drawings or pictures. Indications, contra-indications and clinical achievements are given in brief. There is one chapter each for the following techniques: angioplasty - intra-arterial fibrinolysis - vascular stents - neuroembolisation - embolisation of other vessels - biliary interventions - abscess drainage - nephrostomy and ureteral manipulations -percutaneous fine-needle biopsy - vena cava filters - interventional radiology in infants. (orig.)

  19. Anesthesia for interventional radiology

    International Nuclear Information System (INIS)

    van Sonnenberg, E.; Casola, G.; Varney, R.R.; D'Agostino, H.B.; Zornow, M.; Mazzie, W.

    1989-01-01

    We recognized that the complexity and surgical nature of many interventional radiology procedures dictate essential radiologic involvement into traditional anesthesiologic areas. They reviewed our experience with a variety of interventional procedures to document complications and problems related to anesthetic use (or misuse) and compile recommendations for rational monitoring and control for these procedures. In particular, the authors have studied complications of drug therapies and the treatment of these complications; use of complex anesthesia procedures (e.g., epidural anesthesia, succinylcholine blockage); reasons for choice of drugs (e.g., fentanyl vs meperidine vs morphine); and medico-legal aspects of radiologist performing traditional anesthesiology-type procedures

  20. Pediatric interventional radiology: vascular interventions

    International Nuclear Information System (INIS)

    Kandasamy, Devasenathipathy; Gamanagatti, Shivanand; Gupta, Arun Kumar

    2016-01-01

    Pediatric interventional radiology (PIR) comprises a range of minimally invasive diagnostic and therapeutic procedures that are performed using image guidance. PIR has emerged as an essential adjunct to various surgical and medical conditions. Over the years, technology has undergone dramatic and continuous evolution, making this speciality grow. In this review, the authors will discuss various vascular interventional procedures undertaken in pediatric patients. It is challenging for the interventional radiologist to accomplish a successful interventional procedure. There are many vascular interventional radiology procedures which are being performed and have changed the way the diseases are managed. Some of the procedures are life saving and have become the treatment of choice in those patients. The future is indeed bright for the practice and practitioners of pediatric vascular and non-vascular interventions. As more and more of the procedures that are currently being performed in adults get gradually adapted for use in the pediatric population, it may be possible to perform safe and successful interventions in many of the pediatric vascular lesions that are otherwise being referred for surgery. (author)

  1. Cardiovascular and interventional radiology

    International Nuclear Information System (INIS)

    White, R.I. Jr.

    1985-01-01

    A symposium of eight short but complete papers giving an overview of interventional radiology is presented. Organized by Dr. William Casarella, this symposium is certainly the most current review of the subject available. This year's cardiovascular section is again heavily weighted toward interventional radiology. Abrams and Doubilet's article on the underutilization of angioplasty is important because it describes the cost effectiveness of this method. Most health planners, right or wrong, have complained about overutilization of diagnostic radiology procedures. In general, the opposite is true for interventional procedures - they are underutilized. If the authors draw the attention of their hospital administrators to these approaches and also produce the data on long-term follow-up for our medical colleagues, interventional radiology may realize its full potential. Articles on cardiac magnetic resonance imaging are beginning to appear and this technique seems to have great potential. An important article, which is the first prospective study comparing lung scintigraphy and pulmonary angiography in the diagnosis of pulmonary embolism, supports the increased use of pulmonary angiography. Finally, an article on complications of percutaneous biliary drainage provokes some discussion of its value for routine preoperative use

  2. Paediatric interventional radiology

    International Nuclear Information System (INIS)

    McLaren, Clare

    2014-01-01

    Paediatric interventional radiology (PIR) is a rapidly-growing subspecialty, which offers a wide range of procedures applicable to almost all areas of hospital paediatrics. There are many important differences between paediatric and adult practice in interventional radiology, including disease processes and treatment goals, anatomical considerations, periprocedural patient management, radiation exposure optimisation and legal aspects. The use of retrievable or absorbable interventional devices such as stents will probably become more widespread in PIR practice. Recent advances in the technology of imaging equipment have been accompanied by an increase in the complexity of the work done by the radiographer. These developments present challenges and opportunities related to training and maintenance of skills, staffing arrangements, and the potential for advanced practice. It is likely that specialisation in PIR will become a more common role for radiographers in the future

  3. Executive summary of the joint position paper on renal denervation of the Cardiovascular and Interventional Radiological Society of Europe and the European Society of Hypertension.

    Science.gov (United States)

    Moss, Jonathan G; Belli, Anna-Maria; Coca, Antonio; Lee, Michael; Mancia, Giuseppe; Peregrin, Jan H; Redon, Josep; Reekers, Jim A; Tsioufis, Costas; Vorwerk, Dierk; Schmieder, Roland E

    2016-12-01

    Renal denervation (RDN) was reported as a novel exciting treatment for resistant hypertension in 2009. An initial randomized trial supported its efficacy and the technique gained rapid acceptance across the globe. However, a subsequent large blinded, sham arm randomized trial conducted in the USA (to gain Food and Drug Administration approval) failed to achieve its primary efficacy end point in reducing office blood pressure at 6 months. Published in 2014 this trial received both widespread praise and criticism. RDN has effectively stopped out with clinical trials pending further evidence. This joint consensus document representing the European Society of Hypertension and the Cardiovascular and Radiological Society of Europe attempts to distill the current evidence and provide future direction and guidance.

  4. Angiography and interventional radiology

    International Nuclear Information System (INIS)

    Bundy, A.L.

    1988-01-01

    The decrease in angiographic procedures as a result of less invasive imaging modalities has been counterbalanced by the rise in interventional radiological techniques. Because the interventional radiologist behaves somewhat like a surgeon, his legal responsibilities also approach those of his surgical colleagues. The basic concerns of negligent malpractice are amplified by the issues of informed consent and vicarious liability. Also, damages resulting from these procedures are costly because of the severity of the injuries. The angiographer must become versed in medicolegal issues of this rapidly evolving specialty

  5. Interventional radiology and undesirable effects

    International Nuclear Information System (INIS)

    Benderitter, M.

    2009-01-01

    As some procedures of interventional radiology are complex and long, doses received by patients can be high and cause undesired effects, notably on the skin or in underlying tissues (particularly in the brain as far as interventional neuroradiology is concerned and in lungs in the case of interventional cardiology). The author briefly discusses some deterministic effects in interventional radiology (influence of dose level, delay of appearance of effects, number of accidents). He briefly comments the diagnosis and treatment of severe radiological burns

  6. Attention for pediatric interventional radiology

    International Nuclear Information System (INIS)

    Zhu Ming; Cheng Yongde

    2005-01-01

    Radiological interventions possess wide utilization in the diagnosis and treatment for pediatric patients. Pediatric interventional radiology is an important branch of interventional radiology and also an important branch of pediatric radiology. Pediatric interventional radiology has grown substantially over the last 30 years, radiologists closely cooperation with surgeons and other physicians providing a new horizon in the management of pediatric diseases in western countries. It includes pediatric cardiac interventional radiology, pediatric neuro-interventional radiology, pediatric vascular interventional radiology, pediatric nonvascular interventional radiology, pediatric tumor interventional radiology and others. In the United States, every children hospital which owns two hundred beds has to have special trained interventional radiologists in radiologic department installing with advanced digital subtraction angiographic equipment. Interventional therapeutic procedures and diagnostic angiography have been proceeding more and more for the congenital and acquired diseases of children. The promising results give use uprising and interventional therapy as an alternative or a replacement or supplement to surgical operation. Pediatric interventional radiology is rather underdeveloped in China with a few special pediatric interventional radiologist, lack of digital subtraction angiography equipment. Pediatric radiologists have no enough field for interventional procedures such as pediatric neuro-interventional radiology and pediatric vascular interventional radiology. In the contrary adult interventional radiologists do have better interventional jobs in China and Pediatric cardiologists also share the same trend. They perform angiocardiography for congenital heart diseases and treat congenital heart disease with interventional procedures including balloon dilation of valves and vessels, coil embolization of collaterals, patent ducts and other arterial fistulae

  7. Interventional vascular radiology

    International Nuclear Information System (INIS)

    Yune, H.Y.

    1984-01-01

    The papers published during this past year in the area of interventional vascular radiology presented some useful modifications and further experiences both in the area of thromboembolic therapy and in dilation and thrombolysis, but no new techniques. As an introductory subject, an excellent monograph reviewing the current spectrum of pharmacoangiography was presented in Radiographics. Although the presented material is primarily in diagnostic application of various pharmacologic agents used today to facilitate demonstration of certain diagnostic criteria of various disease processes, both vasodilatory and vasoconstrictive reaction to these agents are widely used in various therapeutic vascular procedures. This monograph should be reviewed by every angiographer whether or not he or she performs interventional procedures, and it would be very convenient to have this table available in the angiography suite. In a related subject, Bookstein and co-workers have written an excellent review concerning pharmacologic manipulations of various blood coagulative parameters during angiography. Understanding the proper method of manipulation of the bloodclotting factors during angiography, and especially during interventional angiography, is extremely important. Particularly, the method of manipulating the coagulation with the use of heparin and protamine and modification of the platelet activity by using aspirin and dipyridamole are succinctly reviewed. The systemic and selective thrombolytic activities of streptokianse are also discussed

  8. Utilization of a modified Clavien Classification System in reporting complications after ultrasound-guided percutaneous nephrostomy tube placement: comparison to standard Society of Interventional Radiology practice guidelines.

    Science.gov (United States)

    Degirmenci, Tansu; Gunlusoy, Bulent; Kozacioglu, Zafer; Arslan, Murat; Ceylan, Yasin; Ors, Bumin; Minareci, Suleyman

    2013-06-01

    To report our results on percutaneous nephrostomy (PCN) and classify our complications with the Standard of Practice Committee of the Society of Interventional Radiology guidelines and the modified Clavien Classification System (CCS). Three hundred eighty-nine PCN insertions were performed in 322 patients (224 men and 98 women) at our institution. PCN insertion was performed under ultrasound for dilated pelvicalyceal system and ultrasound/fluoroscopy for nondilated system. PCN was considered successful if the catheter was drained urine spontaneously. Number of complications was registered. Primary successful PCN insertion was achieved in 368 of the 389 procedures (94.6%). The success rates for nondilated and dilated systems were 82.7% and 96.4%, respectively. Major complications occurred in 9.6% and minor complications in 9.9% according to the Society of Interventional Radiology. According to the modified CCS grades I, II, III, IV, and V was 9.9%, 1.2%, 6.8%, 1.2%, and 0.3%, respectively. Age, grade of the hydronephrosis, serum creatinine levels, and mean hemoglobin levels were statistically significant parameters for the occurrence of complications on univariate analysis. The nondilated system has statistically significant parameters affecting the complication rates on multivariate analysis (P = .001, odds ratio [OR] = 6.1, 95% confidence interval [CI] = 2-18.4). Percutaneous nephrostomy is a well-known procedure in the treatment of temporary or permanent drainage of an obstructed system. It is very important to define the complications related to interventions for interpretation of clinical comparisons more accurately. Modified CCS is a reproducible system to evaluate the complications. Copyright © 2013 Elsevier Inc. All rights reserved.

  9. Radiological Society of North America

    Science.gov (United States)

    ... RSNA Permissions Librarian Guide Subscriptions & Licensing Free Samples & Online Trial Radiology Legacy Collection Services Promote Your Offerings Manage Your Account Contact Us Agency Guide Pricing Commision Rates Customer Service Contact Us Advertising Editorial Fellowships Policies FAQs ...

  10. Occupational exposure in interventional radiology

    International Nuclear Information System (INIS)

    Oh, H.J.; Lee, K.Y.; Cha, S.H.; Kang, Y.K.; Kim, H.J.; Oh, H.J.

    2003-01-01

    This study was conducted to survey of radiation safety control and to measure occupational radiation exposure dose of staff in interventional radiology in Korea. Interventioanl radiology requires the operator and assisting personnel to remain close to the patient, and thus close to primary beams of radiation. Therefore exposure doses of these personnel are significant from a radiological protection point of view. We surveyed the status of radiation safety on interventional radiology of 72 hospitals. The result were that 119 radiation equipments are using in interventional radiology and 744 staffs are composed of 307 radiologists, 116 residents of radiology, 5 general physicians, 171 radiologic technologists and 145 nurses. 81.4% and 20.2 % of operating physicians are using neck collar protector and goggle respectively. The average radiation dose was measured 0.46±0.15 mSv/10 hours fluoroscopy inside examination room in radiation protection facilities. Occupational radiation exposure data on the staff were assessed in interventional radiology procedures from 8 interventional radiology equipments of 6 university hospitals. The dose measurements were made by placing a thermoluminesent dosimeter(TLD) on various body surface of operation and assistant staff during actual interventional radiology. The measured points were the corner of the eyes, neck(on the thyroid) , wrists, chest(outside and inside of the protector), and back. Average radiation equivalent dose of the corner of left eye and left wrist of operating physicians were 1.19 mSv(0.11∼4.13 mSv)/100 minutes fluoroscopy and 4.32 mSv(0.16∼11.0 mSv)/100 minutes fluoroscopy respectively. Average exposure dose may vary depending on the type of procedure, personal skills and the quality of equipment. These results will be contributed to prepare the guide line in interventional radiology in Korea

  11. American Society of Radiologic Technologists

    Science.gov (United States)

    ... 30 p.m. Mountain time, Monday-Friday Advertising Advertising Earn and Track CE ASRT Directed Reading Quizzes Track CE Credits ASRT Store Events and Conferences Featured CE Courses My Learning News and Research ASRT Journals and Magazines ASRT Newsletters Radiologic Technology ...

  12. Management of hemodynamically unstable pelvic trauma: results of the first Italian consensus conference (cooperative guidelines of the Italian Society of Surgery, the Italian Association of Hospital Surgeons, the Multi-specialist Italian Society of Young Surgeons, the Italian Society of Emergency Surgery and Trauma, the Italian Society of Anesthesia, Analgesia, Resuscitation and Intensive Care, the Italian Society of Orthopaedics and Traumatology, the Italian Society of Emergency Medicine, the Italian Society of Medical Radiology -Section of Vascular and Interventional Radiology- and the World Society of Emergency Surgery)

    Science.gov (United States)

    2014-01-01

    Hemodynamically Unstable Pelvic Trauma is a major problem in blunt traumatic injury. No cosensus has been reached in literature on the optimal treatment of this condition. We present the results of the First Italian Consensus Conference on Pelvic Trauma which took place in Bergamo on April 13 2013. An extensive review of the literature has been undertaken by the Organizing Committee (OC) and forwarded to the Scientific Committee (SC) and the Panel (JP). Members of them were appointed by surgery, critical care, radiology, emergency medicine and orthopedics Italian and International societies: the Italian Society of Surgery, the Italian Association of Hospital Surgeons, the Multi-specialist Italian Society of Young Surgeons, the Italian Society of Emergency Surgery and Trauma, the Italian Society of Anesthesia, Analgesia, Resuscitation and Intensive Care, the Italian Society of Orthopaedics and Traumatology, the Italian Society of Emergency Medicine, the Italian Society of Medical Radiology, Section of Vascular and Interventional Radiology and the World Society of Emergency Surgery. From November 2012 to January 2013 the SC undertook the critical revision and prepared the presentation to the audience and the Panel on the day of the Conference. Then 3 recommendations were presented according to the 3 submitted questions. The Panel voted the recommendations after discussion and amendments with the audience. Later on a email debate took place until December 2013 to reach a unanimous consent. We present results on the 3 following questions: which hemodynamically unstable patient needs an extraperitoneal pelvic packing? Which hemodynamically unstable patient needs an external fixation? Which hemodynamically unstable patient needs emergent angiography? No longer angiography is considered the first therapeutic maneuver in such a patient. Preperitoneal pelvic packing and external fixation, preceded by pelvic binder have a pivotal role in the management of these patients

  13. The economics of interventional radiology

    International Nuclear Information System (INIS)

    Price, G.W.

    1988-01-01

    At a time when policy makers and regulators are scheming to reduce the costs and utilization of medical services, interventional radiology is poised for growth. Part of this potential for growth is based on wider acceptance of the procedures performed by interventional radiologists. A second factor in the growth potential is the relative value in cost of these procedures compared with alternative therapies. The author presents a discussion of the differences in the relative value of these procedures when performed by physicians of different specialties. This paper reviews the status of the economic climate in the health care delivery system and the role and potential growth of interventional radiology. This includes a review of current data on the utilization of interventional radiology procedures in the Medicare program. This overview includes a discussion of the initiatives of the federal government which directly impact interventional radiology

  14. The internationalization of the Korean radiological society

    International Nuclear Information System (INIS)

    Choi, Byung Ihn; Kim, Seung Hyup; Han, Man Chung; Kim, Young Goo; Kim, Kun Sang

    1995-01-01

    Toward the beginning of the twenty-first century, the world experiences the dramatic changes in politics, economics and culture, and it is evident that the Korean medical field will not be able to survive provided it doesn't prepare ourselves to adapt to those changes. The Korean Medical Society held a forum for the active operation of the medical society, inviting several leading affiliated societies, to meet the needs of the times. This review describes the summary of the presentation that the authors made on behalf of the Korean Radiological Society in the forum, including the organization, current status of academic activity, current status of international communication, and problems encountered in the internationalization of the Korean Radiological Society

  15. International Society of Radiology and Radiation Protection

    International Nuclear Information System (INIS)

    Standertskjoeld-Nordenstam, C.G.

    2001-01-01

    The purpose of the International Society of Radiology (ISR), as being the global organization of radiologists, is to promote and help co-ordinate the progress of radiology throughout the world. In this capacity and as a co-operating organization of the IAEA, the ISR has a specific responsibility in the global radiological protection of patients. Globally, there are many users of medical radiation, and radiology may be practised in the most awkward circumstances. The individuals performing X ray studies as well as those interpreting them may be well trained, as in industrialized parts of the world, but also less knowledgeable, as in developing areas. The problems of radiological protection, both of patients and of radiation workers, still exist, and radiation equipment is largely diffused throughout the world. That is why a conference like this is today as important as ever. Radiation protection is achieved through education, on the one hand, and legislation, on the other. Legislation and regulation are the instruments of national authorities. The means of the ISR are education and information. Good radiological practice is something that can be taught. The ISR is doing this mainly through the biannual International Congress of Radiology (ICR), now arranged in an area of radiological need; the three previous ICRs were in China, in India and in South America; the next one is going to be in Mexico in 2002. The goal of the ICR is mainly to be an instructive and educational event, especially designed for the needs of its surrounding region. The ISR is aiming at producing educational material. The International Commission on Radiological Education (ICRE), as part of the ISR, is launching the production of a series of educational booklets, which also include radiation protection. The ICRE is actively involved in shaping and organizing the educational and scientific programme of the ICRs

  16. Interventional neuroradiology techniques in interventional radiology

    CERN Document Server

    Murphy, Kieran; Robertson, Fergus; Watkinson, Anthony

    2013-01-01

    This book provides accessible technique-specific information on interventional radiology procedures, in a format suitable for reference in the IR treatment room or as a carry-around guide. Offers step-by-step points, key point summaries and illustrations.

  17. Sedoanalgesia in interventional radiology

    International Nuclear Information System (INIS)

    Linsenmaier, U.; Pfeifer, K.J.; Reiser, M.

    2002-01-01

    Purpose: Development of a save and effective protocol for analgosedation of patients undergoing painful interventional procedures. Material and Methods: In a prospective trial a consecutive series of 72 adult patients underwent analgosedation during painful interventions. A radiologist performed the analgosedation, the patients received a combination of a shortly effective piperidine derivative (Alfentanil [Rapifen trademark ]; 7.5-15 μg/kg body weight) and Benzodiazepine (midazolam [Dormicum trademark ]; 20 μg/kg body weight). After pre-procedure oxygenation patients were continuously monitored. Pain and discomfort were scored using an established visual-analog pain score (0-10). A control group (n=24) had received midazolam, pentazocine or fentanyl according to the study protocol. Results: All procedures could be carried out by an interventional radiologist and a nurse and/or technologist only. In 69/72 cases adequate analgosedation could be achieved. Injection of alfentanil was titrated, with a rapid onset and short acting effect of the analgesia. Patients reported an average pain score of 2.6 vs. 4.5 in the control group. Over 55% experienced no or mild pain (score 0-3), in the control group only 8% reached this level. Conclusion: A combination of shortly effective alfentanil and midazolam allows interventional radiologists to perform major procedures alone under effective analgosedation. This medication scheme is superior to the medication upon demand. (orig.) [de

  18. Computational radiology for orthopaedic interventions

    CERN Document Server

    Li, Shuo

    2016-01-01

    This book provides a cohesive overview of the current technological advances in computational radiology, and their applications in orthopaedic interventions. Contributed by the leading researchers in the field, this volume covers not only basic computational radiology techniques such as statistical shape modeling, CT/MRI segmentation, augmented reality and micro-CT image processing, but also the applications of these techniques to various orthopaedic interventional tasks. Details about following important state-of-the-art development are featured: 3D preoperative planning and patient-specific instrumentation for surgical treatment of long-bone deformities, computer assisted diagnosis and planning of periacetabular osteotomy and femoroacetabular impingement, 2D-3D reconstruction-based planning of total hip arthroplasty, image fusion for  computer-assisted bone tumor surgery, intra-operative three-dimensional imaging in fracture treatment, augmented reality based orthopaedic interventions and education, medica...

  19. [Radiation protection in interventional radiology].

    Science.gov (United States)

    Adamus, R; Loose, R; Wucherer, M; Uder, M; Galster, M

    2016-03-01

    The application of ionizing radiation in medicine seems to be a safe procedure for patients as well as for occupational exposition to personnel. The developments in interventional radiology with fluoroscopy and dose-intensive interventions require intensified radiation protection. It is recommended that all available tools should be used for this purpose. Besides the options for instruments, x‑ray protection at the intervention table must be intensively practiced with lead aprons and mounted lead glass. A special focus on eye protection to prevent cataracts is also recommended. The development of cataracts might no longer be deterministic, as confirmed by new data; therefore, the International Commission on Radiological Protection (ICRP) has lowered the threshold dose value for eyes from 150 mSv/year to 20 mSv/year. Measurements show that the new values can be achieved by applying all X‑ray protection measures plus lead-containing eyeglasses.

  20. Training in Radiation Protection for Interventional Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Vano, E.; Guibelalde, E.

    2002-07-01

    Several potential problems have been detected in the safety aspects for the practice of interventional radiology procedures: a) An important increase in the number cases and their complexity and the corresponding increase of installations and specialists involved; b) New X ray systems more sophisticated, with advanced operational possibilities, requiring special skills in the operators to obtain the expected benefits;c) New medical specialists arriving to the interventional arena to profit the benefits of the interventional techniques without previous experience in radiation protection. For that reason, education and training is one of the basic areas in any optimisation programme in radiation protection (RP). the medical field and especially interventional radiology requires actions to promote and to profit the benefit of the new emerging technologies for training (Internet, electronic books, etc). The EC has recently sponsored the MARTIR programme (Multimedia and Audio-visual Radiation Protection Training in Interventional Radiology) with the production of two videos on basic aspects of RP and quality control and one interactive CD-ROM to allow tailored individual training programmes. those educational tools are being distributed cost free in the main European languages. To go ahead with these actions, the EC has decided to promote during 2002, a forum with the main Medical European Societies involved in these interventional procedures. (Author)

  1. Training in Radiation Protection for Interventional Radiology

    International Nuclear Information System (INIS)

    Vano, E.; Guibelalde, E.

    2002-01-01

    Several potential problems have been detected in the safety aspects for the practice of interventional radiology procedures: a) An important increase in the number cases and their complexity and the corresponding increase of installations and specialists involved; b) New X ray systems more sophisticated, with advanced operational possibilities, requiring special skills in the operators to obtain the expected benefits;c) New medical specialists arriving to the interventional arena to profit the benefits of the interventional techniques without previous experience in radiation protection. For that reason, education and training is one of the basic areas in any optimisation programme in radiation protection (RP). the medical field and especially interventional radiology requires actions to promote and to profit the benefit of the new emerging technologies for training (Internet, electronic books, etc). The EC has recently sponsored the MARTIR programme (Multimedia and Audio-visual Radiation Protection Training in Interventional Radiology) with the production of two videos on basic aspects of RP and quality control and one interactive CD-ROM to allow tailored individual training programmes. those educational tools are being distributed cost free in the main European languages. To go ahead with these actions, the EC has decided to promote during 2002, a forum with the main Medical European Societies involved in these interventional procedures. (Author)

  2. Management and follow-up of gallbladder polyps : Joint guidelines between the European Society of Gastrointestinal and Abdominal Radiology (ESGAR), European Association for Endoscopic Surgery and other Interventional Techniques (EAES), International Society of Digestive Surgery - European Federation (EFISDS) and European Society of Gastrointestinal Endoscopy (ESGE).

    Science.gov (United States)

    Wiles, Rebecca; Thoeni, Ruedi F; Barbu, Sorin Traian; Vashist, Yogesh K; Rafaelsen, Søren Rafael; Dewhurst, Catherine; Arvanitakis, Marianna; Lahaye, Max; Soltes, Marek; Perinel, Julie; Roberts, Stuart Ashley

    2017-09-01

    The management of incidentally detected gallbladder polyps on radiological examinations is contentious. The incidental radiological finding of a gallbladder polyp can therefore be problematic for the radiologist and the clinician who referred the patient for the radiological examination. To address this a joint guideline was created by the European Society of Gastrointestinal and Abdominal Radiology (ESGAR), European Association for Endoscopic Surgery and other Interventional Techniques (EAES), International Society of Digestive Surgery - European Federation (EFISDS) and European Society of Gastrointestinal Endoscopy (ESGE). A targeted literature search was performed and consensus guidelines were created using a series of Delphi questionnaires and a seven-point Likert scale. A total of three Delphi rounds were performed. Consensus regarding which patients should have cholecystectomy, which patients should have ultrasound follow-up and the nature and duration of that follow-up was established. The full recommendations as well as a summary algorithm are provided. These expert consensus recommendations can be used as guidance when a gallbladder polyp is encountered in clinical practice. • Management of gallbladder polyps is contentious • Cholecystectomy is recommended for gallbladder polyps >10 mm • Management of polyps <10 mm depends on patient and polyp characteristics • Further research is required to determine optimal management of gallbladder polyps.

  3. Radiological protection of patients in diagnostic and interventional radiology, nuclear medicine and radiotherapy. Contributed papers

    International Nuclear Information System (INIS)

    2001-01-01

    An International Conference on the Radiological Protection of Patients in Diagnostic and Interventional Radiology, Nuclear Medicine and Radiotherapy organized by the International Atomic Energy Agency and co-sponsored by the European Commission, the Pan American Health Organization and the World Health Organization was held in Malaga, Spain, from 26 to 30 March 2001. The Government of Spain hosted this Conference through the Ministerio de Sanidad y Consumo, the Consejo de Seguridad Nuclear, the Junta de Andalucia, the Universidad de Malaga and the Grupo de Investigacion en Proteccion Radiologica de la Universidad de Malaga (PRUMA). The Conference was organized in co-operation with the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), the International Commission on Radiological Protection (ICRP) and the following professional societies: International Organization of Medical Physicists (IOMP), International Radiation Protection Association (IRPA), International Society of Radiation Oncology (ISRO), International Society of Radiology (ISR), International Society of Radiographers and Radiological Technologists (ISRRT) and World Federation of Nuclear Medicine and Biology (WFNMB). This publication contains contributed papers submitted to the Conference Programme Committee. The papers are in one of the two working languages of this Conference, English and Spanish. The topics covered by the Conference are as follows: Radiological protection of patients in general diagnostic radiology (radiography), Radiological protection of patients in general diagnostic radiology (fluoroscopy), Radiological protection issues in specific uses of diagnostic radiology, such as mammography and computed tomography (with special consideration of the impact of digital techniques), Radiological protection in interventional radiology, including fluoroscopy not carried out by radiologists, Radiological protection of patients in nuclear medicine, Developing and

  4. Radiological protection of patients in diagnostic and interventional radiology, nuclear medicine and radiotherapy. Contributed papers

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    An International Conference on the Radiological Protection of Patients in Diagnostic and Interventional Radiology, Nuclear Medicine and Radiotherapy organized by the International Atomic Energy Agency and co-sponsored by the European Commission, the Pan American Health Organization and the World Health Organization was held in Malaga, Spain, from 26 to 30 March 2001. The Government of Spain hosted this Conference through the Ministerio de Sanidad y Consumo, the Consejo de Seguridad Nuclear, the Junta de Andalucia, the Universidad de Malaga and the Grupo de Investigacion en Proteccion Radiologica de la Universidad de Malaga (PRUMA). The Conference was organized in co-operation with the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), the International Commission on Radiological Protection (ICRP) and the following professional societies: International Organization of Medical Physicists (IOMP), International Radiation Protection Association (IRPA), International Society of Radiation Oncology (ISRO), International Society of Radiology (ISR), International Society of Radiographers and Radiological Technologists (ISRRT) and World Federation of Nuclear Medicine and Biology (WFNMB). This publication contains contributed papers submitted to the Conference Programme Committee. The papers are in one of the two working languages of this Conference, English and Spanish. The topics covered by the Conference are as follows: Radiological protection of patients in general diagnostic radiology (radiography), Radiological protection of patients in general diagnostic radiology (fluoroscopy), Radiological protection issues in specific uses of diagnostic radiology, such as mammography and computed tomography (with special consideration of the impact of digital techniques), Radiological protection in interventional radiology, including fluoroscopy not carried out by radiologists, Radiological protection of patients in nuclear medicine, Developing and

  5. Microdialysis technique and interventional radiology

    International Nuclear Information System (INIS)

    An Xiao; Xiao Xiangsheng

    2007-01-01

    Basic research in interventional radiology, including transcatheter artery perfusion especially, is progressing slowly due to lack of proper method. Microdialysis technique, a kind of accurate sampling technique in vivo, may help to solve the problem. Just as its name implies, microdialysis means tiny dialysis with advantages of authenticity, exactness and less error. Furthermore it has been applied widely and should be received with great attention and popularity. (authors)

  6. Anesthesia Practices for Interventional Radiology in Europe

    Energy Technology Data Exchange (ETDEWEB)

    Vari, Alessandra, E-mail: alessandra.vari@uniroma1.it [University La Sapienza, Department of Anesthesiology, Intensive Care and Pain Medicine (Italy); Gangi, Afshin, E-mail: gangi@unistra.fr [Les Hôpitaux Universitaires de Strasbourg, Chef de Pôle, Imagerie (France)

    2017-06-15

    PurposeThe Cardiovascular and Interventional Radiological Society of Europe (CIRSE) prompted an initiative to frame the current European status of anesthetic practices for interventional radiology, in consideration of the current variability of IR suite settings, staffing and anesthetic practices reported in the literature and of the growing debate on sedation administered by non-anesthesiologists, in Europe.MethodsAnonymous online survey available to all European CIRSE members to assess IR setting, demographics, peri-procedural care, anesthetic management, resources and staffing, pain management, data collection, safety, management of emergencies and personal opinions on the role CIRSE should have in promoting anesthetic care for interventional radiology.ResultsPredictable differences between countries and national regulations were confirmed, showing how significantly many “local” factors (type and size of centers, the availability of dedicated inpatient bed, availability of anesthesia staff) can affect the routine practice and the expansion of IR as a subspecialty. In addition, the perception of the need for IR to acquire more sedation-related skills is definitely stronger for those who practice with the lowest availability of anesthesia care.ConclusionSignificant country variations and regulations along with a controversial position of the anesthesia community on the issue of sedation administered by non-anesthesiologists substantially represent the biggest drawbacks for the expansion of peri-procedural anesthetic care for IR and for potential initiatives at an European level.

  7. Patient dosimetry in interventional radiology

    International Nuclear Information System (INIS)

    Silva, Mauro Wilson O. da; Canevaro, Lucia V.; Rodrigues, Barbara Beatriz D.

    2009-01-01

    Mapping skin doses in interventional radiology is useful to determine the probability of a possible injury, to detect areas of overlapping field and to obtain a permanent register of the most exposed skin areas. A method for the evaluation of patient doses in interventional radiology procedures is the slow film, Kodak EDR2 (Extended Dose Range). Kodak EDR 2 film was calibrated in the range of 50 kVp to 120 kVp beam qualities. Its dose-response curve was plotted up to the saturation point of 1000 mGy. Dose responses are a function of facility dependent factors including processing conditions the density sampling, and exposure monitoring equipment. The distribution and the form of all the irradiation fields have been registered in the Kodak EDR 2 films. The Dosimetric analysis was performed in a sample of 37 patients submitted the procedures coronariography and angioplasty. The film has a threshold of saturation around 1 Gy, the applied methodology is efficient to quantify the doses and to identify the distribution of the fields. (author)

  8. The Society for Radiological Protection - 40 years on from 1963

    International Nuclear Information System (INIS)

    Dunster, H John

    2003-01-01

    The Society for Radiological Protection was created in 1963 at a time when the structure of radiological protection in the United Kingdom was already well established. From its creation 40 years ago to the present, most of the features of British radiological protection stem from the recommendations of the International Commission on Radiological Protection. This review of the development of radiological protection has been produced to celebrate the 40 years of the Society's support of radiological protection, both in the United Kingdom and internationally. (review)

  9. The interventional radiology business plan.

    Science.gov (United States)

    Beheshti, Michael V; Meek, Mary E; Kaufman, John A

    2012-09-01

    Strategic planning and business planning are processes commonly employed by organizations that exist in competitive environments. Although it is difficult to prove a causal relationship between formal strategic/business planning and positive organizational performance, there is broad agreement that formal strategic and business plans are components of successful organizations. The various elements of strategic plans and business plans are not common in the vernacular of practicing physicians. As health care becomes more competitive, familiarity with these tools may grow in importance. Herein we provide an overview of formal strategic and business planning, and offer a roadmap for an interventional radiology-specific plan that may be useful for organizations confronting competitive and financial threats. Copyright © 2012 SIR. Published by Elsevier Inc. All rights reserved.

  10. Interventional radiology in pediatric oncology

    International Nuclear Information System (INIS)

    Hoffer, Fredric A.

    2005-01-01

    There are many radiological interventions necessary for pediatric oncology patients, some of which may be covered in other articles in this publication. I will discuss a number of interventions including percutaneous biopsy for solid tumor and hematological malignancy diagnosis or recurrence, for the diagnosis of graft versus host disease after stem cell or bone marrow transplantation, and for the diagnosis of complications of immunosuppression such as invasive pulmonary aspergillosis. In the past, tumor localization techniques have been necessary to biopsy or resect small lesions. However improved guidance techniques have allowed for more precise biopsy and the use of thermal ablation instead of excision for local tumor control. A percutaneously placed radio frequency, microwave, laser or cryogen probe can ablate the primary and metastatic tumors of the liver, lung, bone, kidney and other structures in children. This is an alternative treatment for the local control of tumors that may not be amenable to surgery, chemotherapy or radiotherapy. I will also describe how chemoembolization can be used to treat primary or metastatic tumors of the liver that have failed other therapies. This treatment delivers chemotherapy in the hepatic artery infused with emboli to increase the dwell time and concentration of the agents

  11. Deepening the reform of interventional radiology education and speeding up the development of interventional radiology

    International Nuclear Information System (INIS)

    Lu Chuan; Liu Linxiang; Cheng Yongde

    2010-01-01

    For recent years, although interventional radiology in China has achieved rapid development, it is still facing some rigorous challenges, such as the lack of personnel in interventional field and the flowing-away of certain patients who are definitely suitable for interventional therapy. This paper aims to discuss the reform of interventional radiology education for the undergraduates, postgraduates and clinical practitioners in the medical colleges in order to seek effective solutions to these issues the interventional radiology has confronted with. (authors)

  12. Radiation dose reduction: comparative assessment of publication volume between interventional and diagnostic radiology.

    Science.gov (United States)

    Hansmann, Jan; Henzler, Thomas; Gaba, Ron C; Morelli, John N

    2017-01-01

    We aimed to quantify and compare awareness regarding radiation dose reduction within the interventional radiology and diagnostic radiology communities. Abstracts accepted to the annual meetings of the Society of Interventional Radiology (SIR), the Cardiovascular and Interventional Radiological Society of Europe (CIRSE), the Radiological Society of North America (RSNA), and the European Congress of Radiology (ECR) between 2005 and 2015 were analyzed using the search terms "interventional/computed tomography" and "radiation dose/radiation dose reduction." A PubMed query using the above-mentioned search terms for the years of 2005-2015 was performed. Between 2005 and 2015, a total of 14 520 abstracts (mean, 660±297 abstracts) and 80 614 abstracts (mean, 3664±1025 abstracts) were presented at interventional and diagnostic radiology meetings, respectively. Significantly fewer abstracts related to radiation dose were presented at the interventional radiology meetings compared with the diagnostic radiology meetings (162 abstracts [1% of total] vs. 2706 [3% of total]; P radiology abstracts (range, 6-27) and 246±105 diagnostic radiology abstracts (range, 112-389) pertaining to radiation dose were presented at each meeting. The PubMed query revealed an average of 124±39 publications (range, 79-187) and 1205±307 publications (range, 829-1672) related to interventional and diagnostic radiology dose reduction per year, respectively (P radiology community over the past 10 years has not mirrored the increased volume seen within diagnostic radiology, suggesting that increased education and discussion about this topic may be warranted.

  13. Glove Perforations During Interventional Radiological Procedures

    International Nuclear Information System (INIS)

    Leena, R. V.; Shyamkumar, N. K.

    2010-01-01

    Intact surgical gloves are essential to avoid contact with blood and other body fluids. The objective of this study was to estimate the incidence of glove perforations during interventional radiological procedures. In this study, a total of 758 gloves used in 94 interventional radiological procedures were examined for perforations. Eleven perforations were encountered, only one of which was of occult type. No significant difference in the frequency of glove perforation was found between the categories with varying time duration.

  14. What Does Competence Entail in Interventional Radiology?

    International Nuclear Information System (INIS)

    Ahmed, Kamran; Keeling, Aoife N.; Khan, Reenam S.; Ashrafian, Hutan; Arora, Sonal; Nagpal, Kamal; Burrill, Joshua; Darzi, Ara; Athanasiou, Thanos; Hamady, Mohamad

    2010-01-01

    Interventional radiology is a relatively new speciality and may be referred to as 'image-guided surgery without a scalpel.' Training and accreditation bodies regard interventional radiology training as being 'different' from general radiology because of the additional need for dexterity and clinical acumen. Due to the multidimensional role of an interventional radiologist, a practitioner in this discipline must have a number of the competencies of anesthetists, surgeons, and radiologists. The attributes required of an interventional radiologist are akin to those required of a surgeon. This paper gives an overview of the skills required to be a competent interventional radiologist along with a succinct introduction to methods of assessment of technical and non-technical skills.

  15. Malpractice claims in interventional radiology: frequency, characteristics and protective measures.

    Science.gov (United States)

    Magnavita, N; Fileni, A; Mirk, P; Magnavita, G; Ricci, S; Cotroneo, A R

    2013-04-01

    The use of interventional radiology procedures has considerably increased in recent years, as has the number of related medicolegal litigations. This study aimed to highlight the problems underlying malpractice claims in interventional radiology and to assess the importance of the informed consent process. The authors examined all insurance claims relating to presumed errors in interventional radiology filed by radiologists over a period of 14 years after isolating them from the insurance database of all radiologists registered with the Italian Society of Medical Radiology (SIRM) between 1 January1993 and 31 December 2006. In the period considered, 98 malpractice claims were filed against radiologists who had performed interventional radiology procedures. In 21 cases (21.4%), the event had caused the patient's death. In >80% of cases, the event occurred in a public facility. The risk of a malpractice claim for a radiologist practising interventional procedures is 47 per 1,000, which corresponds to one malpractice claim for each 231 years of activity. Interventional radiology, a discipline with a biological risk profile similar to that of surgery, exposes practitioners to a high risk of medicolegal litigation both because of problems intrinsic to the techniques used and because of the need to operate on severely ill patients with compromised clinical status. Litigation prevention largely depends on both reducing the rate of medical error and providing the patient with correct and coherent information. Adopting good radiological practices, scrupulous review of procedures and efficiency of the instruments used and audit of organisational and management processes are all factors that can help reduce the likelihood of error. Improving communication techniques while safeguarding the patient's right to autonomy also implies adopting clear and rigorous processes for obtaining the patient's informed consent to the medical procedure.

  16. Dosimetry in Interventional Radiology - Effective Dose Estimation

    International Nuclear Information System (INIS)

    Miljanic, S.; Buls, N.; Clerinx, P.; Jarvinen, H.; Nikodemova, D.; Ranogajec-Komor, M; D'Errico, F.

    2008-01-01

    Interventional radiological procedures can lead to significant radiation doses to patients and to staff members. In order to evaluate the personal doses with respect to the regulatory dose limits, doses measured by dosimeters have to be converted to effective doses (E). Measurement of personal dose equivalent Hp(10) using a single unshielded dosimeter above the lead apron can lead to significant overestimation of the effective dose, while the measurement with dosimeter under the apron can lead to underestimation. To improve the accuracy, measurements with two dosimeters, one above and the other under the apron have been suggested ( d ouble dosimetry ) . The ICRP has recommended that interventional radiology departments develop a policy that staff should wear two dosimeters. The aim of this study was to review the double dosimetry algorithms for the calculation of effective dose in high dose interventional radiology procedures. The results will be used to develop general guidelines for personal dosimetry in interventional radiology procedures. This work has been carried out by Working Group 9 (Radiation protection dosimetry of medical staff) of the CONRAD project, which is a Coordination Action supported by the European Commission within its 6th Framework Program.(author)

  17. Acute radiologic intervention in gastrointestinal bleeding

    International Nuclear Information System (INIS)

    Lesak, F.

    1986-01-01

    A case of embolization of the gastroduodenal artery in a 38-year old man with chronic pancreatitis and uncontrollable bleeding is presented. The advantage of this interventional radiologic procedure is discussed and in selective cases it seems to be the choice of treatment. (orig.) [de

  18. Acute radiologic intervention in gastrointestinal bleeding

    Energy Technology Data Exchange (ETDEWEB)

    Lesak, F.

    1986-01-01

    A case of embolization of the gastroduodenal artery in a 38-year old man with chronic pancreatitis and uncontrollable bleeding is presented. The advantage of this interventional radiologic procedure is discussed and in selective cases it seems to be the choice of treatment.

  19. Streamlining interventional radiology admissions: The role of the interventional radiology clinic and physician's assistant

    International Nuclear Information System (INIS)

    White, R.I. Jr.; Rizer, D.M.; Shuman, K.; White, E.J.; Adams, P.; Doyle, K.; Kinnison, M.

    1987-01-01

    During a 5-year period (1982-1987), 376 patients were admitted to an interventional radiology service where they were managed by the senior physician and interventional radiology fellows. Sixty-eight percent of patients were admitted for angioplasty and 32% for elective embolotherapy/diagnostic angiography. A one-half-day, twice weekly interventional radiology clinic and employment of a physician's assistant who performed preadmission history and physicals and wrote orders accounted, in part, for a decrease in hospital stay length from 3.74 days (1982-1983) to 2.41 days (1986-1987). The authors conclude that use of the clinic and the physician's assistant streamlines patient flow and the admitting process and is partially responsible for a decreased length of stay for patients admitted to an interventional radiology service

  20. Safety of Conscious Sedation In Interventional Radiology

    International Nuclear Information System (INIS)

    Arepally, Aravind; Oechsle, Denise; Kirkwood, Sharon; Savader, Scott J.

    2001-01-01

    Purpose: To identify rates of adverse events associated with the use of conscious sedation in interventional radiology.Methods: In a 5-month period, prospective data were collected on patients undergoing conscious sedation for interventional radiology procedures (n = 594). Adverse events were categorized as respiratory, sedative, or major adverse events. Respiratory adverse events were those that required oral airway placement, ambu bag, or jaw thrust. Sedation adverse events were unresponsiveness, oxygen saturation less than 90%, use of flumazenil/naloxone, or agitation. Major adverse events were hypotension, intubation, CPR, or cardiac arrest. The frequency of adverse events for the five most common radiology procedures were determined.Results: The five most common procedures (total n = 541) were biliary tube placement/exchange (n = 182), tunneled catheter placement (n 135), diagnostic arteriography (n = 125), vascular interventions (n = 52), and other catheter insertions (n = 46). Rates for respiratory, sedation, and major adverse events were 4.7%, 4.2%, and 2.0%, respectively. The most frequent major adverse event was hypotension (2.0%). Biliary procedures had the highest rate of total adverse events (p < .05) and respiratory adverse events (p < .05).Conclusion: The frequency of adverse events is low with the use of conscious sedation during interventional procedures. The highest rates occurred during biliary interventions

  1. Twentieth congress of the European Society of Pediatric Radiology

    International Nuclear Information System (INIS)

    Anon.

    1983-01-01

    91 Abstracts of lectures are presented given at the 20th Congress of the European Society of Pediatric Radiology. The topics of the different sessions were as follows: Urinary tract, musculo-skeletal system, respiratory tract, gastrointestinal tract, skull and neuroradiology, genital tract, new modality imaging and cardiovascular system. (MG)

  2. Interventional radiology in pain treatment

    International Nuclear Information System (INIS)

    Kastler, B.

    2007-01-01

    Disease whether it is acute, chronic, or at end stage, is all too regularly accompanied by pain. Pain is often difficult to control, in malignant disease in particular, even by using appropriate medications. Anesthesiologists and pain therapists have developed new invasive therapies including nerve block, sympatholysis, and neurolysis useful for both diagnosis and pain management. To insure the efficiency and safety of these procedures, and furthermore for elaborate techniques such as vertebroplasty, cementoplasty, and radio frequency bone ablation, imaging guidance becomes mandatory. This state-of-the-art book describes the techniques elaborated by interventional radiologists in the treatment and palliation of a variety of benign and malignant painful conditions. Each chapter written by an expert in the field concentrates on a particular aspect of pain management, with emphasis on practical issues. This book will serve as an invaluable source of information for the radiologist willing to learn about new pain therapy techniques aimed at optimizing or replacing more invasive traditional methods. (orig.)

  3. Interventional Radiology of Male Varicocele: Current Status

    International Nuclear Information System (INIS)

    Iaccarino, Vittorio; Venetucci, Pietro

    2012-01-01

    Varicocele is a fairly common condition in male individuals. Although a minor disease, it may cause infertility and testicular pain. Consequently, it has high health and social impact. Here we review the current status of interventional radiology of male varicocele. We describe the radiological anatomy of gonadal veins and the clinical aspects of male varicocele, particularly the physical examination, which includes a new clinical and ultrasound Doppler maneuver. The surgical and radiological treatment options are also described with the focus on retrograde and antegrade sclerotherapy, together with our long experience with these procedures. Last, we compare the outcomes, recurrence and persistence rates, complications, procedure time and cost-effectiveness of each method. It clearly emerges from this analysis that there is a need for randomized multicentre trials designed to compare the various surgical and percutaneous techniques, all of which are aimed at occlusion of the anterior pampiniform plexus.

  4. Interventional Radiology of Male Varicocele: Current Status

    Energy Technology Data Exchange (ETDEWEB)

    Iaccarino, Vittorio, E-mail: vittorio.iaccarino@unina.it; Venetucci, Pietro [University of Naples ' Federico II' , Diagnostic Imaging Department-Cardiovascular and Interventional Radiology, School of Medicine (Italy)

    2012-12-15

    Varicocele is a fairly common condition in male individuals. Although a minor disease, it may cause infertility and testicular pain. Consequently, it has high health and social impact. Here we review the current status of interventional radiology of male varicocele. We describe the radiological anatomy of gonadal veins and the clinical aspects of male varicocele, particularly the physical examination, which includes a new clinical and ultrasound Doppler maneuver. The surgical and radiological treatment options are also described with the focus on retrograde and antegrade sclerotherapy, together with our long experience with these procedures. Last, we compare the outcomes, recurrence and persistence rates, complications, procedure time and cost-effectiveness of each method. It clearly emerges from this analysis that there is a need for randomized multicentre trials designed to compare the various surgical and percutaneous techniques, all of which are aimed at occlusion of the anterior pampiniform plexus.

  5. Interventional Radiologic Treatment for Idiopathic Portal Hypertension

    International Nuclear Information System (INIS)

    Hirota, Shozo; Ichikawa, Satoshi; Matsumoto, Shinichi; Motohara, Tomofumi; Fukuda, Tetsuya; Yoshikawa, Takeshi

    1999-01-01

    Purpose: To evaluate the usefulness of interventional radiological treatment for idiopathic portal hypertension. Methods: Between 1995 and 1998, we performed an interventional radiological treatment in five patients with idiopathic portal hypertension, four of whom had refused surgery and one of whom had undergone surgery. Three patients with gastroesophageal varices (GEV) were treated by partial splenic embolization (PSE), one patient with esophageal varices (EV) and massive ascites by transjugular intrahepatic portosytemic shunt (TIPS) and PSE, and one patient with GEV by percutaneous transhepatic obliteration (PTO). Midterm results were analyzed in terms of the effect on esophageal and/or gastric varices. Results: In one woman with severe GEV who underwent three sessions of PSE, there was endoscopic confirmation that the GEV had disappeared. In one man his EV shrunk markedly after two sessions of PSE. In two patients slight reduction of the EV was obtained with one application of PSE combined with endoscopic variceal ligation therapy. PTO for GV in one patient resulted in good control of the varices. All patients have survived for 16-42 months since the first interventional treatment, and varices are well controlled. Conclusion: Interventional radiological treatment is effective for patients with idiopathic portal hypertension, whether or not they have undergone surgery

  6. Protection of staff in interventional radiology

    International Nuclear Information System (INIS)

    Melkamu, M. A.

    2013-04-01

    This project focuses on the interventional radiology. The main objective of this project work was to provide a guidance and advice for occupational exposure and hospital management to optimize radiation protection safety and endorse safety culture. It provides practical information on how to minimize occupational exposure in interventional radiology. In the literature review all considerable parameters to reduce dose to the occupationally exposed are well discussed. These parameters include dose limit, risk estimation, use of dosimeter, personal dose record keeping, analysis of surveillance of occupational dose, investigation levels, and proper use of radiation protection tools and finally about scatter radiation dose rate. In addition the project discusses the ways to reduce occupational exposure in interventional radiology. The methods for dose reduction are minimizing fluoroscopic time, minimizing the number of fluoroscopic image, use of patient dose reduction technologies, use of collimation, planning interventional procedures, positioning in low scattered areas, use of protective shielding, use of appropriate fluoroscopic imaging equipment, giving training for the staff, wearing the dosimeters and know their own dose regularly, and management commitment to quality assurance and quality control system and optimization of radiation protection of safety. (author)

  7. Training for Radiation Protection in Interventional Radiology

    International Nuclear Information System (INIS)

    Bartal, G.; Sapoval, M.; Ben-Shlomo, A.

    1999-01-01

    Program in radiological equipment has incorporated more powerful x-ray sources into the standard Fluoroscopy and CT systems. Expanding use of interventional procedures carries extensive use of fluoroscopy and CT which are both associated with excessive radiation exposure to the patient and personnel. During cases of Intravenous CT Angiography and direct Intraarterial CT Angiography, one may substitute a substantial number of diagnostic angiography checks. Basic training in interventional radiology hardly includes some of the fundamentals of radiation protection. Radiation Protection in Interventional Radiology must be implemented in daily practice and become an integral part of procedure planning strategy in each and every case. Interventional radiological most master all modern imaging modalities in order to choose the most effective, but least hazardous one. In addition, one must be able to use various imaging techniques (Fluoroscopy, CTA, MM and US) as a stand-alone method, as well as combine two techniques or more. Training programs for fellows: K-based simulation of procedures and radiation protection. Special attention should be taken in the training institutions and a basic training in radiation protection is advised before the trainee is involved in the practical work. Amendment of techniques for balloon and stent deployment with minimal use of fluoroscopy. Attention to the differences between radiation protection in cardiovascular and nonvascular radiology with special measures that must be taken for each one of them (i.e., peripheral angiography vs. stenting, Endo luminal Aortic Stent Graft, or nonvascular procedures such as biliary or endo urological stenting or biliary intervention). A special emphasis should be put on the training techniques of Interventional Radiologists, both beginners and experienced. Patient dose monitoring by maintaining records of fluoroscopic time is better with non-reset timer, but is optional. Lee of automated systems that

  8. Patient Safety in Interventional Radiology: A CIRSE IR Checklist.

    LENUS (Irish Health Repository)

    2012-02-01

    Interventional radiology (IR) is an invasive speciality with the potential for complications as with other invasive specialities. The World Health Organization (WHO) produced a surgical safety checklist to decrease the morbidity and mortality associated with surgery. The Cardiovascular and Interventional Society of Europe (CIRSE) set up a task force to produce a checklist for IR. Use of the checklist will, we hope, reduce the incidence of complications after IR procedures. It has been modified from the WHO surgical safety checklist and the RAD PASS from Holland.

  9. Contrast media properties in interventional radiology

    International Nuclear Information System (INIS)

    Laerum, F.; Enge, I.

    1989-01-01

    Potential hazards of the use of contrast media (CM) in interventional radiology are analyzed by looking into each procedure regarding interactions of CM with pharmaceutical additives, with technical equipment possibly affecting CM stability, and special local or systemic demands related to the procedure. Also the impact of these factors upon the physiological mechanisms are taken into account. (H.W.). 32 refs.; 4 figs.; 2 tabs

  10. Forensics, radiology, society. X-rays. Tool and document

    International Nuclear Information System (INIS)

    Vogel, Beatrice; Vogel, Hermann

    2014-01-01

    During the last years, the individual specialities of forensic medicine and diagnostic imaging have increasingly cooperated to create the interdisciplinary entity of forensic radiology. The book demonstrates the potential of this speciality: It has become evident that the combination of diagnostic imaging and forensic medicine solves more cases of death of unknown cause than each alone, and that a radiograph can be read like a document describing forces of modern time and its effects on current society. The posters of 6 exhibitions demonstrate the actual cause of death and its preceding violence. They aim at the medical as well as the interested lay-public: Causes of natural and of violent death become visible. For instance, stab- and gunshot wounds into a person's rear are contradictory of self-defence. Stab wounds with penetration of ribs indicate great force and, therefore, intentional homicide. The same is valid for multiple stabs, stabs through silicon prosthesis of a mammoplasty, and stabs into the breast cage of a defenceless toddler. X-rays of the living can indicate preceding torture. X-rays are part of the security technology employed at airports and countries' borders. They help to detect drugs, explosives, and human stow-aways. The x-ray examination of the deceased visualises success and failure of the preceding therapy. After reanimation, the position of a tracheal tube, the effects of a vascular puncture, and potential fractures of the breast cage can be evaluated. After cardiac and aortic interventions, the procedure of choice and its effects can be seen. Concerning general or intensive care, diagnostic imaging shows the position of urinary catheters, gastric tubes and vascular catheters. Prenatal diagnostic imaging can determine the sex of the foetus and possible malformations; and in peri- and postnatal death, it may show the effects of iatrogenic actions, and later on, of child-abuse.

  11. Forensics, radiology, society. X-rays. Tool and document

    Energy Technology Data Exchange (ETDEWEB)

    Vogel, Beatrice; Vogel, Hermann [Hamburg Univ. (Germany). Inst. of Forensic Medicine

    2014-07-01

    During the last years, the individual specialities of forensic medicine and diagnostic imaging have increasingly cooperated to create the interdisciplinary entity of forensic radiology. The book demonstrates the potential of this speciality: It has become evident that the combination of diagnostic imaging and forensic medicine solves more cases of death of unknown cause than each alone, and that a radiograph can be read like a document describing forces of modern time and its effects on current society. The posters of 6 exhibitions demonstrate the actual cause of death and its preceding violence. They aim at the medical as well as the interested lay-public: Causes of natural and of violent death become visible. For instance, stab- and gunshot wounds into a person's rear are contradictory of self-defence. Stab wounds with penetration of ribs indicate great force and, therefore, intentional homicide. The same is valid for multiple stabs, stabs through silicon prosthesis of a mammoplasty, and stabs into the breast cage of a defenceless toddler. X-rays of the living can indicate preceding torture. X-rays are part of the security technology employed at airports and countries' borders. They help to detect drugs, explosives, and human stow-aways. The x-ray examination of the deceased visualises success and failure of the preceding therapy. After reanimation, the position of a tracheal tube, the effects of a vascular puncture, and potential fractures of the breast cage can be evaluated. After cardiac and aortic interventions, the procedure of choice and its effects can be seen. Concerning general or intensive care, diagnostic imaging shows the position of urinary catheters, gastric tubes and vascular catheters. Prenatal diagnostic imaging can determine the sex of the foetus and possible malformations; and in peri- and postnatal death, it may show the effects of iatrogenic actions, and later on, of child-abuse.

  12. Dosimetry with slow films in Interventional Radiology

    International Nuclear Information System (INIS)

    Ten, J.I.; Guibelalde, E.; Fernandez, J.M.; Canevaro, L.; Ramirez, R.; Vano, E.

    1998-01-01

    In this work it is presented a method for evaluation of patients doses in Interventional Radiology (RI). The method proposed in this work allows the simultaneous valoration of the product dose-area (PDA), the dose in the patient skin (DES) and the distribution of the irradiated fields, all of they together with their corresponding dose levels. The latter sometimes can be essential since the possible damages in skin depend not only of the doses, but also the irradiated area. The method has been resulted adequate for to evaluate doses to patients in Interventional Radiology procedures. It was possible to apply it as a routine form seeing that its not interfering significantly in the normal development of the medical intervention. The fundamental advantages of this dosimetric method in relation with the unique PDA measure or with the utilization of TLD is that it provide information about the total irradiated area, distribution and length of fields, collimation and wedge used besides that allow to determine the most irradiated zone. The visualization of the irradiated regions and the length fields utilized suggest the possibility to optimize the realization protocols of the interventional procedure in the cases in which it is considered that the doses have been very elevated. (Author)

  13. Analysis of papers in radiological journals in recent years: a comparison of journal of Korean radiologic society and radiology

    International Nuclear Information System (INIS)

    Kim, Jin Suh; Kim, Jae Kyun; Han, Dong Bok; Lim, Tae Hwan

    1997-01-01

    The purpose of this study was to determine current trends and the mode of future development in the field of medical radiology and to promote research among the nation's radiologists by analyzing the contents of the Journal of the Korean Radiologic Society(JKRS) and Radiology. The number of articles published in JKRS each year between 1990 and 1994 was counted. The research articles in JKRS(n=740) and in Radiology(n=1748) between 1992 and 1994 were categorized according to the objective, type, topic, materials, and radiologic techniques of their contents on the basis of predetermined criteria. Domestic Masters theses(n=126) and doctoral dissertations(n=75) accepted between 1990 and 1994, and domestic materials published in international journals (n=416) between 1986 and 1994 were also categorized using the same criteria. The greatest increase in the number of articles published in JKRS was seen during 1994. The majority of these aimed to retrospectively analyse the findings of diseases while the majority of articles published in Radiology dealt prospectively with the development and/or evaluation of diagnostic methods. More variety of topics and issues was seen in Radiology than in JKRS. The number of articles of domestic materials published in international journals increased from 1986 to 1994, while the number of articles of foreign materials published in Korea was relatively stationary : A significant number of theses and dissertations dealt, mostly prospectively, with studies of pathophysiologic and/or pharmacologic mechanisms using animal models. In order to understand both current trends and the direction and mode of future developments in the field of radiology, and to be able to actively deal with challenges at the forefront of radiologic development, it is essential to review research articles published in radiology-related journals

  14. Preliminary exploration of the postgraduate education reform in interventional radiology

    International Nuclear Information System (INIS)

    Ni Caifang; Ouyang Yong

    2012-01-01

    Interventional radiology now is facing many challenges. The education quality has declined, and the high-level professional talents have been lost. This paper aims to analyze the present situation of the postgraduate education and the relevant issues in the field of interventional radiology, and to make a preliminary exploration into how we can train the postgraduates to become qualified interventional radiologists with high comprehensive quality in order to meet the urgent requirements demanded by the development of interventional radiology. (authors)

  15. Pediatric interventional radiology: Indications, techniques, and management

    International Nuclear Information System (INIS)

    Towbin, R.B.; Ball, W.S. Jr.

    1987-01-01

    This course develops a practical approach to pediatric interventional radiology. Radiologic intervention in the pediatricage group is possible by attending to the care and special needs of the child. The authors also emphasize their approach to patient preparation, sedation and anesthesia, nursing care, monitoring of the patient during the procedure, and follow-up care. The course is divided into nonvascular and vascular sections. The discussion of nonvascular procedures focus on the chest and the GU and GI systems. Biopsy techniques and drainage of effusions and abscesses within the chest are discussed. A variety of GU procedures are presented including insertion of a nephrostomy tube and percutaneous tract dilation for placement of internal stents, percutaneous stone removal, and percutaneous surgery for pyeloplasty. The authors approach to percutaneous pyeloplasty is briefly discussed. Intervention within the GI system includes percutaenous aspiration, drainage, and biopsies. Emphasis is placed on the selection of embolic agents and catheter delivery systems, techniques, and current treatment concepts. The authors describe experience with embolization of vascular malformations, renovascular disease, uncontrollable hemorrhage, and selected neoplastic processes. Comments on the indications for and techniques of transluminal angioplasty and fibrinolytic therapy in children conclude the lecture

  16. Analgosedation and monitoring in interventional radiology

    International Nuclear Information System (INIS)

    Girolami, Guido; Steinbrich, Roman; Jacob, Augustinus Ludwig

    2010-01-01

    This article deals with the change of treatment in interventional radiology during the last decade adding a wider margin of safety through automated monitoring and better patient comfort through a combination of sedation and analgetics. In this regard it is very important to ensure adherence to standard procedures that are as simple as possible, to provide adequate training of staff members and to keep a succinct procedure protocol to ensure a high quality of care. Guidelines and checklists for the safe performance of this 'comfort-therapy' are given. (orig.)

  17. Radiation safety concerns during interventional radiology

    International Nuclear Information System (INIS)

    Victor Raj, D.; Livingstone, Roshan Samuel

    2001-01-01

    Interventional radiological procedures are on the increase by virtue of the fact that these procedures replace highly invasive surgical and other procedures. Radiation dose to patients and hospital workers are of significance since these procedures tend to impart large dose to them. Moreover, long term risk from radiation absorbed by patients is of concern since the life expectancy of major fraction of patients is long after undergoing the procedure. This study intends to measure radiation dose imparted to patients as well as personnel- radiologists, technologists, nurses, etc. and estimate the risk factor involved

  18. Active electronic personal dosemeter in interventional radiology

    International Nuclear Information System (INIS)

    Prlic, I.; Suric Mihic, M.; Vucic, Z.

    2008-01-01

    A recently developed active electronic personal dosemeter (AEPD) was utilised in order to measure the levels and the structure of occupational exposure to scattered X-ray radiation of medical staff who performed percutaneous revascularisation therapy that involves interventional radiology (IR) on the pelvis and upper leg arteries. The AEPDs, placed on the operators' and assistants' chests, that is, above the protective apron, continuously measured and recorded the received doses and, as a novelty, dose rates as a function of time, thus yielding a unique record of occupational doses and dose rates pattern at the working place. This paper presents and discusses one typical daily pattern in which seven percutaneous interventions were performed. (authors)

  19. [Evaluation of patient doses in interventional radiology].

    Science.gov (United States)

    Ropolo, R; Rampado, O; Isoardi, P; Gandini, G; Rabbia, C; Righi, D

    2001-01-01

    To verify the suitability of indicative quantities to evaluate the risk related to patient exposure, in abdominal and vascular interventional radiology, by the study of correlations between dosimetric quantities and other indicators. We performed in vivo measurements of entrance skin dose (ESD) and dose area product (DAP) during 48 procedures to evaluate the correlation among dosimetric quantities, and an estimation of spatial distribution of exposure and effective dose (E). To measure DAP we used a transmission ionization chamber and to evaluate ESD and its spatial distribution we used radiographic film packed in a single envelope and placed near the patient's skin. E was estimated by a calculation software using data from film digitalisation. From the data derived for measurements in 27 interventional procedures on 48 patients we obtained a DAP to E conversion factor of 0.15 mSv / Gy cm2, with an excellent correlation (r=.99). We also found a good correlation between DAP and exposure parameters such as fluoroscopy time and number of images. The greatest effective dose was evaluated for a multiple procedure in the hepatic region, with a DAP value of 425 Gy cm2. The greatest ESD was about 550 mGy. For groups of patients undergoing similar interventional procedures the correlation between ESD and DAP had conversion factors from 6 to 12 mGy Gy-1 cm-2. The evaluation of ESD and E by slow films represents a valid method for patient dosimetry in interventional radiology. The good correlation between DAP and fluoroscopy time and number of images confirm the suitability of these indicators as basic dosimetric information. All the ESD values found are lower than threshold doses for deterministic effects.

  20. Radiological findings and interventions for iatrogenic vascular injuries

    International Nuclear Information System (INIS)

    Lee, Kyoung Ho; Chung, Jin Wook; Kim, Tae Kyoung; Han, Sang Wook; Lee, Jong Seog; Park, Jae Hyung; Kim, Jong Hyo; Han, Man Chung

    1998-01-01

    The purpose of this study is to evaluate the radiological findings and effectiveness of radiological interventions in patients with iatrogenic vascular injuries. We analyzed 50 patients with iatrogenic vascular injuries treated with radiological intervention. The causes of injuries were surgery (n=20), cardiovascular intervention (n=15), non-cardiovascular radiological intervention (n=14), and endoscopic intervention (n=1). The injury had resulted in hemorrhage in 35 cases. The iliac and/or femoral, hepatic, and renal vessels were commonly injured. Angiography, ultrasonography with Doppler examination, CT, and CT angiography were performed to diagnose vascular injuries and guide the radiological intervention. The mean follow-up period was 23 months and in 16 cases was more than one year. the major radiological findings were extravasation, pseudoaneurysm, arteriovenous shunt, or vascular obstruction. To control these lesions, radiological interventions such as embolization (n=36), local urokinase administration, stent insertion, foreign body removal, ultrasonography-guided compression, or stent-graft insertion were performed. The clinical problems were immediately controlled by the single trials of radiological interventions and did not recur in 40 cases (80%). Radiological examinations and interventions are useful in cases with iatrogenic vascular injuries. (author). 14 refs., 4 figs

  1. The role of morbidity and mortality meetings in interventional radiology

    International Nuclear Information System (INIS)

    Mok, Philip S.; Tan, Eva Y.; Baerlocher, Mark O.; Athreya, Sriharsha

    2012-01-01

    Purpose: To understand the current practice of interventional radiology (IR) morbidity and mortality (M and M) meetings among interventional radiologists in Europe, and to develop a set of results-based recommendations to increase the prevalence of IR M and M meetings. Materials and methods: Online electronic surveys were sent to members of the Cardiovascular and Interventional Radiology Society of Europe (CIRSE). Each survey consisted of 18 questions pertaining to IR M and M meetings. Results: A total of 150 CIRSE members responded to the survey. Approximately 47% of respondents held IR M and M meetings in their departments. Among those who held IR M and M meetings, 42% held them monthly and 68% rated the quality of the meetings as good or excellent. Of those who did not have M and M meetings, 94% were interested in incorporating M and M meetings into their future practice. The most common reasons for not holding IR M and M meetings were lack of time (68%) and small IR practice groups (43%). A total of 85% were interested in learning more about IR M and M meetings. The preferred method of education about M and M meetings included annual radiology meetings (44%), peer-reviewed articles in radiology journals (31%), websites (26%), and newsletters (15%). Conclusions: The data demonstrate that although current practice of M and M meetings in European IR departments is limited, the majority of respondents believe that M and M meetings are beneficial to their practice. There is a need for guidelines or standards of practice to incorporate such meetings in IR departments to prevent medical errors, which may ultimately lead to enhanced patient safety and outcomes.

  2. Vascular Closure Devices in Interventional Radiology Practice

    Energy Technology Data Exchange (ETDEWEB)

    Patel, Rafiuddin, E-mail: rafiuddin.patel@ouh.nhs.uk [John Radcliffe Hospital, Department of Radiology (United Kingdom); Muller-Hulsbeck, Stefan, E-mail: muehue@diako.de [Diakonissen Hospital, Diagnostic and Interventional Radiology/Neuroradiology (Germany); Morgan, Robert, E-mail: robert.morgan@stgeorges.nhs.uk [St George’s Hospital, Department of Radiology (United Kingdom); Uberoi, Raman, E-mail: raman.uberoi@orh.nhs.uk [John Radcliffe Hospital, Department of Radiology (United Kingdom)

    2015-08-15

    Manual compression (MC) is a well-established technique for haemostasis following percutaneous arterial intervention. However, MC is labour and time intensive with potential limitations, particularly for patients who are coagulopathic, unable to comply with bed rest or obese and when large sheaths or anti-coagulants are used. There are a variety of vascular closure devices (VCDs) available to overcome these limitations. This review gives an overview of current VCDs, their mechanism of action, individual strengths and weaknesses, evidence base and utility in interventional radiology (IR) practice. The majority of the published evidence on VCDs is derived from patients undergoing cardiac interventions, which should be borne in mind when considering the applicability and transfer of this data for general IR practice. Overall, the evidence suggests that most VCDs are effective in achieving haemostasis with a similar rate of complications to MC although the complication profile associated with VCDs is distinct to that of MC. There is insufficient evidence to comparatively analyse the different types of VCDs currently available or reliably judge their cost-effectiveness. The interventional radiologist should have a thorough understanding of the available techniques for haemostasis and be able to identify and utilise the most appropriate strategy and closure technique for the individual patient.

  3. Radiology

    International Nuclear Information System (INIS)

    Bigot, J.M.; Moreau, J.F.; Nahum, H.; Bellet, M.

    1990-01-01

    The 17th International Congress of Radiology was conducted in two separate scientific sessions, one for radiodiagnosis and one for radiation oncology. Topics covered are: Radiobiology -radioprotection; imaging and data processing; contrast media; MRI; nuclear medicine; radiology and disasters; radiology of tropical diseases; cardiovascular radiology; interventional radiology; imaging of trauma; imaging of chest, gastro-intestinal tract, breast and genito-urinary tract; imaging in gynecology;imaging in oncology; bone and joint radiology; head and neck-radiology; neuro-radiology. (H.W.). refs.; fig.; tabs

  4. Occupational exposures from selected interventional radiological procedures

    International Nuclear Information System (INIS)

    Janeczek, J.; Beal, A.; James, D.

    2001-01-01

    The number of radiology and cardiology interventional procedures has significantly increased in recent years due to better diagnostic equipment resulting in an increase in radiation dose to the staff and patients. The assessment of staff doses was performed for cardiac catheterization and for three other non-cardiac procedures. The scattered radiation distribution resulting from the cardiac catheterization procedure was measured prior to the staff dose measurements. Staff dose measurements included those of the left shoulder, eye, thyroid and hand doses of the cardiologist. In non-cardiac procedures doses to the hands of the radiologist were measured for nephrostomy, fistulogram and percutaneous transluminal angioplasty procedures. Doses to the radiologist or cardiologist were found to be relatively high if correct protection was not observed. (author)

  5. Slovenian experience from diagnostic angiography to interventional radiology

    International Nuclear Information System (INIS)

    Pavcnik, Dusan

    2014-01-01

    The purpose of writing this article is to document the important events and people in the first 50 years of diagnostic angiography and interventional radiology in Slovenia. During this period not only did the name of the institutions and departments change, but also its governance. This depicted the important roles different people played at various times in the cardiovascular divisions inside and outside of the diagnostic and interventional radiology. Historical data show that Slovenian radiology has relatively immediately introduced the new methods of interventional radiology in clinical practice

  6. Current Trends in Heparin Use During Arterial Vascular Interventional Radiology

    International Nuclear Information System (INIS)

    Durran, Alexandra C.; Watts, Christopher

    2012-01-01

    Purpose: This study was designed to assess the current use of heparinized saline and bolus doses of heparin in non-neurological interventional radiology and to determine whether consensus could be reached to produce guidance for heparin use during arterial vascular intervention. Methods: An interactive electronic questionnaire was distributed to members of the British Society of Interventional Radiology regarding their current practice in the use, dosage, and timing of heparin boluses and heparinized flushing solutions.ResultsA total of 108 completed questionnaires were received. More than 80% of respondents used heparinized saline with varying concentrations; the most prevalent was 1,000 IU/l (international units of heparin per liter) and 5,000 IU/l. Fifty-one percent of interventionalists use 3,000 IU as their standard bolus dose; however, the respondents were split regarding the timing of bolus dose with ∼60% administering it after arterial access is obtained and 40% after crossing the lesion. There was no consensus on altering dose according to body weight, and only 4% monitored clotting parameters. Conclusions: There seems to be some coherence among practicing interventionalists regarding heparin administration. We hypothesize that heparinized saline should be used at a recognized standard concentration of 1,000 IU/l as a flushing concentration in all arterial vascular interventions and that 3,000 IU bolus is considered the standard dose for straightforward therapeutic procedures and 5000 IU for complex, crural, and endovascular aneurysm repair work. The bolus should be given after arterial access is obtained to allow time for optimal anticoagulation to be achieved by the time of active intervention and stenting. Further research into clotting abnormalities following such interventional procedures would be an interesting quantifiable follow-up to this initial survey of opinions and practice.

  7. European Society of Pediatric Radiology. Abstracts of oral presentations and poster presentations

    International Nuclear Information System (INIS)

    Small, P.G.

    1994-01-01

    The 31st Congress of the European Society of Pediatric Radiology covered all aspects of diagnostic radiology. The journal issue presents the abstracts of 77 full papers and 62 poster presentations. (MG) [de

  8. Clinical dosimetry in diagnostic and interventional radiology

    International Nuclear Information System (INIS)

    Dimcheva, M.; Sergieva, S.; Jovanovska, A.

    2012-01-01

    Full text: Introduction: Diagnostic and interventional procedures involving x-rays are the most significant contributor to total population dose form man made sources of ionizing radiation. Purpose and aim: X-ray imaging generally covers a diverse range of examination types, many of which are increasing in frequency and technical complexity. Materials and methods: The European Directives 96/29 and 97/43 EURATOM stress the importance of accurate dosimetry and require calibration of all measuring equipment related to application of ionizing radiation in medicine. Results: The paper gives and overview of current system of dosimetry of ionizing radiations that is relevant for metrology and clinical applications. It also reflects recently achieved international harmonization in the field promoted by International Atomic Energy Agency (IAEA). Discussion: Objectives of clinical dose measurements in diagnostic and interventional radiology are multiple, as assessment of equipment performance, or assessment of risk emerging from use of ionizing radiation Conclusion: Therefore, from the clinical point of view, the requirements for dosimeters and procedures to assess dose to standard dosimetry phantoms and patients in clinical diverse modalities, as computed tomography are presented

  9. Radiological protection in interventional cardiology in Chile

    International Nuclear Information System (INIS)

    Ramirez, A.; Leyton, F.A.; Farias, E.; Silva, A.M.; Vano, E.; Oyarzun, C.; Gamarra, J.; Ortiz, P.

    2001-01-01

    In September 2000, an expert mission was assigned to Chile, under the regional project named 'International BBS in Medical Practices Radiation Protection and Quality Assurance In Interventional Radiology' (ARCAL XLIX). The objective of the mission was to evaluate the level of radiation protection (RP) and safety in interventional cardiology ( IC ) installations. A team of local cardiologists, medical physicists and technologists was created for this purpose and during one week, several cardiology laboratories were evaluated and some basic quality controls (QC) were carried out. A basic pilot training course in radiation protection was imparted at the Hospital of the University of Chile in Santiago de Chile and some of the key objectives for a future national quality assurance programme were presented during the national congress of IC. In addition, a national survey on radiation protection aspects was circulated and its results evaluated. These activities enabled the local team to become familiar with the methodology of assessment of the level of protection and the organization of a programme, which was illustrated with the examples of similar European programmes. As result of these actions, several proposals were made to both the local authorities and the IAEA. The most important were: a) to initiate a basic QC programme, b) to organize a training in RP for cardiologists in order to formalize their accreditation, c) to improve personal occupational dosimetry, d) to initiate a programme of patient dosimetry, e) to optimize the technical and clinical protocols, f) to create a national registry of incidents with skin injuries. (author)

  10. Quality assurance measures in interventional radiology

    International Nuclear Information System (INIS)

    Heuser, L.

    1999-01-01

    The quality assurance of treatment measures is legally required but as yet not generally established in practice. For interventional radiology, the introduction of quality assurance for PTA of arteries of the lower limbs is planned for January 1999. It is reasonable to subject at least the most important and/or most frequently performed interventions to quality management. In the present article, the term quality in the management of diseases is defined and the system of total quality management discussed at the levels structure, process, and results. For its application, parameters of quality measurement in the form of standards, criteria, and characteristic values are necessary and must be laid down by a team of experts on the basis of subjective experience and/or results in the literature. Practical quality assurance takes place not only within a clinic but also externally by comparison with other centers. Data collection and evaluation requires high-performance software that will be continuously improved, expanded, and adapted to current needs during regular meetings between the various users. (orig.) [de

  11. Interventional radiology in congenital and acquired cardiovascular diseases

    International Nuclear Information System (INIS)

    Ivanitskij, A.V.

    2000-01-01

    Interventional cardiology is a part of interventional radiology applying in urology, neurology, gynecology and other branches of medicine. The present-day achievements in interventional radiology in cardiovascular diseases: balloon valvuloplasty in cardiac diseases (isolated pulmonary arterial stenosis, aortic and mitral stenosis), balloon vasodilatation (peripheral pulmonary arterial stenosis, aortic coarctation), embolization of the vessels and pathological communications, atrioseptostomy, transcatheter closure of atrial septal defects are presented. It is shown that the achievements in interventional radiology in cardiovascular diseases are intimately associated with the progress in cannulation of heart and angiography [ru

  12. International Society of Radiographers and Radiological Technologists and radiation protection

    International Nuclear Information System (INIS)

    Yule, A.

    2001-01-01

    The ISRRT was formed in 1962 with 15 national societies and by the year 2000 has grown to comprise more than 70 member societies. The main objects of the organization are to: Improve the education of radiographers; Support the development of medical radiation technology worldwide; Promote a better understanding and implementation of radiation protection standards. The ISRRT has been a non-governmental organization in official relations with the World Health Organization (WHO) since 1967. It is the only international radiographic organization that represents radiation medicine technology and has more than 200 000 members within its 70 member countries. Representatives of the ISRRT have addressed a number of assemblies of WHO regional committees on matters relating to radiation protection and radiation medicine technology. In this way, the expertise of radiographers worldwide contributes to the establishment of international standards in vital areas, such as: Quality control; Legislation for radiation protection; Good practice in radiographic procedures; Basic radiological services. The ISRRT believes that good and consistent standards of practice throughout the world are essential

  13. Antiplatelet and Anticoagulant Drugs in Interventional Radiology

    International Nuclear Information System (INIS)

    Altenburg, Alexander; Haage, Patrick

    2012-01-01

    In treating peripheral arterial disease, a profound knowledge of antiplatelet and anticoagulative drug therapy is helpful to assure a positive clinical outcome and to anticipate and avoid complications. Side effects and drug interactions may have fatal consequences for the patient, so interventionalists should be aware of these risks and able to control them. Aspirin remains the first-line agent for antiplatelet monotherapy, with clopidogrel added where dual antiplatelet therapy is required. In case of suspected antiplatelet drug resistance, the dose of clopidogrel may be doubled; prasugrel or ticagrelor may be used alternatively. Glycoprotein IIb/IIIa inhibitors (abciximab or eptifibatide) may help in cases of hypercoagulability or acute embolic complications. Desmopressin, tranexamic acid, or platelet infusions may be used to decrease antiplatelet drug effects in case of bleeding. Intraprocedurally, anticoagulant therapy treatment with unfractionated heparin (UFH) still is the means of choice, although low molecular-weight heparins (LMWH) are suitable, particularly for postinterventional treatment. Adaption of LMWH dose is often required in renal insufficiency, which is frequently found in elderly patients. Protamine sulphate is an effective antagonist for UFH; however, this effect is less for LMWH. Newer antithrombotic drugs, such as direct thrombin inhibitors or factor X inhibitors, have limited importance in periprocedural treatment, with the exception of treating patients with heparin-induced thrombocytopenia (HIT). Nevertheless, knowing pharmacologic properties of the newer drugs facilitate correct bridging of patients treated with such drugs. This article provides a comprehensive overview of antiplatelet and anticoagulant drugs for use before, during, and after interventional radiological procedures.

  14. Pediatric interventional radiology clinic - how are we doing?

    International Nuclear Information System (INIS)

    Rubenstein, Jonathan; Zettel, Julie C.; Lee, Eric; Cote, Michelle; Aziza, Albert; Connolly, Bairbre L.

    2016-01-01

    Development of a pediatric interventional radiology clinic is a necessary component of providing a pediatric interventional radiology service. Patient satisfaction is important when providing efficient, high-quality care. To analyze the care provided by a pediatric interventional radiology clinic from the perspective of efficiency and parent satisfaction, so as to identify areas for improvement. The prospective study was both quantitative and qualitative. The quantitative component measured clinic efficiency (waiting times, duration of clinic visit, nurse/physician time allocation and assessments performed; n = 91). The qualitative component assessed parental satisfaction with their experience with the pediatric interventional radiology clinic, using a questionnaire (5-point Likert scale) and optional free text section for feedback (n = 80). Questions explored the family's perception of relevance of information provided, consent process and overall satisfaction with their pediatric interventional radiology clinic experience. Families waited a mean of 11 and 10 min to meet the physician and nurse, respectively. Nurses and physicians spent a mean of 28 and 21 min with the families, respectively. The average duration of the pediatric interventional radiology clinic consultation was 56 min. Of 80 survey participants, 83% were satisfied with their experience and 94% said they believed providing consent before the day of the procedure was helpful. Only 5% of respondents were not satisfied with the time-efficiency of the interventional radiology clinic. Results show the majority of patients/parents are very satisfied with the pediatric interventional radiology clinic visit. The efficiency of the pediatric interventional radiology clinic is satisfactory; however, adherence to stricter scheduling can be improved. (orig.)

  15. Addressing the coming radiology crisis-the Society for Computer Applications in Radiology transforming the radiological interpretation process (TRIP) initiative.

    Science.gov (United States)

    Andriole, Katherine P; Morin, Richard L; Arenson, Ronald L; Carrino, John A; Erickson, Bradley J; Horii, Steven C; Piraino, David W; Reiner, Bruce I; Seibert, J Anthony; Siegel, Eliot

    2004-12-01

    The Society for Computer Applications in Radiology (SCAR) Transforming the Radiological Interpretation Process (TRIP) Initiative aims to spearhead research, education, and discovery of innovative solutions to address the problem of information and image data overload. The initiative will foster interdisciplinary research on technological, environmental and human factors to better manage and exploit the massive amounts of data. TRIP will focus on the following basic objectives: improving the efficiency of interpretation of large data sets, improving the timeliness and effectiveness of communication, and decreasing medical errors. The ultimate goal of the initiative is to improve the quality and safety of patient care. Interdisciplinary research into several broad areas will be necessary to make progress in managing the ever-increasing volume of data. The six concepts involved are human perception, image processing and computer-aided detection (CAD), visualization, navigation and usability, databases and integration, and evaluation and validation of methods and performance. The result of this transformation will affect several key processes in radiology, including image interpretation; communication of imaging results; workflow and efficiency within the health care enterprise; diagnostic accuracy and a reduction in medical errors; and, ultimately, the overall quality of care.

  16. A Checklist to Improve Patient Safety in Interventional Radiology

    International Nuclear Information System (INIS)

    Koetser, Inge C. J.; Vries, Eefje N. de; Delden, Otto M. van; Smorenburg, Susanne M.; Boermeester, Marja A.; Lienden, Krijn P. van

    2013-01-01

    To develop a specific RADiological Patient Safety System (RADPASS) checklist for interventional radiology and to assess the effect of this checklist on health care processes of radiological interventions. On the basis of available literature and expert opinion, a prototype checklist was developed. The checklist was adapted on the basis of observation of daily practice in a tertiary referral centre and evaluation by users. To assess the effect of RADPASS, in a series of radiological interventions, all deviations from optimal care were registered before and after implementation of the checklist. In addition, the checklist and its use were evaluated by interviewing all users. The RADPASS checklist has two parts: A (Planning and Preparation) and B (Procedure). The latter part comprises checks just before starting a procedure (B1) and checks concerning the postprocedural care immediately after completion of the procedure (B2). Two cohorts of, respectively, 94 and 101 radiological interventions were observed; the mean percentage of deviations of the optimal process per intervention decreased from 24 % before implementation to 5 % after implementation (p < 0.001). Postponements and cancellations of interventions decreased from 10 % before implementation to 0 % after implementation. Most users agreed that the checklist was user-friendly and increased patient safety awareness and efficiency. The first validated patient safety checklist for interventional radiology was developed. The use of the RADPASS checklist reduced deviations from the optimal process by three quarters and was associated with less procedure postponements.

  17. Angiography and interventional radiology of the kidneys

    International Nuclear Information System (INIS)

    Hansmann, J.; Richter, G.M.; Hallscheidt, P.; Duex, M.; Noeldge, G.; Kaufmann, G.W.

    1999-01-01

    For imaging of renal pathology a broad spectrum of radiologic diagnostic procedures are available which are, sometimes and particularly more recently, competing among each other in their diagnostic yield and relevance. For tumorous lesions ultrasound, computed tomography and magnetic resonance imaging are performed predominantly. Angiography is no longer required with the exception of highly selected cases and in some specific preoperative workup requirements. Until recently, catheter based digital subtraction angiography has been considered as gold standard. However, non-invasive techniques such as CT-angiography and MR-angiography are evolving parallel to their quantum leap of resolutions and readiness to use. Nevertheless, well accepted criteria for quality assessement of these new modalities are still lacking. More comparison studies are urgently warranted. Despite the availability of ultrashort pulse sequences applying the T1 relaxation reduction effect of gadolinium enhanced MR techniques overestimation of renal artery stenosis still poses a substantial problem. Renal intervention implies a variety of procedures such as plain angioplasty, stent placement, embolization of traumatic and both benign and malignant tumors. These methods have emerged over the last two decades from a more experimental nature to a fully accepted treatment option. When renal artery angioplasty is embedded in an aggressive approach including stenting as an adjunct for more complex cases, renal ostial lesions and a well organized follow-up regimen its therapeutic potential for treatment of renal insufficiency, malignant hypertension, for organ preservation bears a very high potential. Provided adequate periinterventional drug regimen restenosis rates may be as low as 10%. In highly selected cases capillary embolization might be used as an alternative to nephrectomy with a similar clinical outcome. Particularly the development of superselective small caliber embolization catheters

  18. Patient Safety in Interventional Radiology: A CIRSE IR Checklist

    NARCIS (Netherlands)

    Lee, M. J.; Fanelli, F.; Haage, P.; Hausegger, K.; van Lienden, K. P.

    2012-01-01

    Interventional radiology (IR) is an invasive speciality with the potential for complications as with other invasive specialities. The World Health Organization (WHO) produced a surgical safety checklist to decrease the morbidity and mortality associated with surgery. The Cardiovascular and

  19. Current radiologic interventions in hepatocellular carcinoma

    International Nuclear Information System (INIS)

    Masoud, I.; Naeem, M.Q.T.; Saeed, F.; Mirza, S.A.M.; Khan, A.; Bhatti, M.A.

    2006-01-01

    With the rising incidence of chronic liver disease caused by viral hepatitis, hepatocellular carcinoma is showing a corresponding rise worldwide. Surgery remains the mainstay of treatment, but patients unfit for surgery or liver transplantation form the bulk of those presenting with this disease. Palliative treatments are being used to treat those and radiological modalities form the mainstay of the treatment. Radiology plays a major role in the diagnosis, treatment and follow-up of hepatocellular carcinoma. Current radiological treatment modalities include percutaneous ethanol ablation, radiofrequency ablation and trans-arterial chemoembolization. This update highlights the recent advancements in the field and compares their relative merits and demerits. (author)

  20. Complementary roles of interventional radiology and therapeutic endoscopy in gastroenterology

    DEFF Research Database (Denmark)

    Ray, David M; Srinivasan, Indu; Tang, Shou-Jiang

    2017-01-01

    radiology have resulted in the paradigm shift in the management of these conditions. In this paper, we discuss the patient's work up, indications, and complementary roles of endoscopic and angiographic management in the settings of gastrointestinal bleeding, enteral feeding, cecostomy tube placement...... and luminal strictures. These conditions often require multidisciplinary approaches involving a team of interventional radiologists, gastroenterologists and surgeons. Further, the authors also aim to describe how the fields of interventional radiology and gastrointestinal endoscopy are overlapping...

  1. Accidental exposures in interventional radiology: lessons learned by the ASN

    International Nuclear Information System (INIS)

    Marchal, C.; Valero, M.

    2009-01-01

    The authors outline that interventional radiology often requires long duration exposures of patients to ionizing radiations and thus stress that interventional radiology must be optimized to improve radioprotection of patients and operators. They notice that investigations performed by the ASN (the French Nuclear Safety Authority) on declared events revealed in some cases a lack of knowledge of devices by users, notably of functionalities allowing the applied doses to be controlled

  2. Educational activities regarding exposure reduction in interventional radiology

    International Nuclear Information System (INIS)

    Tajima, Osamu; Yabe, Hitoshi; Katoh, Kyoichi; Ueki, Junko; Nakamura, Kimiyuki; Nakatani, Akira; Wakamatsu, Osamu; Satoh, Tsugio; Nakazawa, Yasuo

    2000-01-01

    As interventional radiology (IVR) has become widespread recently, skin injury caused by exposure to radiation have been reported in academic meetings, and are a major concern in academic circles. In 1986, The Japanese Society of Circulation Imaging Technology (CITEC)'s organized a group to engage in an actual condition survey on cineangiography. We have studied exposed doses to patients in the event of cardiac catheterization using ancate data available in Japan and made efforts to spread methods of reducing exposure doses through academic meetings and medical journal. In 1998, we set up the Radiation Exposure Control Committee. The committee's objectives were to reduce exposure doses to patients and operators during cardiovascular examinations, and establish concrete of technical methods and protection guidelines for exposed dose reduction. We have studied presentations at academic meetings and study meetings, etc., and classified the results into the following 5 categories: methods of reducing radiation by X-ray equipment, methods of reducing exposure using X-ray protection devices, exposure dosimetry, clinical cases of radiation exposure, and QC, QA. The committee issued a textbook based on the reports and have educated, guided and enlightened radiological technologists, nurses and ME by holding the 'Seminar for reduction technique of radiation exposure in circulator organs.' (author)

  3. Needlestick Injuries in Interventional Radiology Are Common and Underreported.

    Science.gov (United States)

    Deipolyi, Amy R; Prabhakar, Anand M; Naidu, Sailendra; Oklu, Rahmi

    2017-12-01

    Purpose To determine the prevalence of and risk factors for needlesticks in interventional radiology physicians, as well as the attitudes, behaviors, and conditions that promote or interfere with reporting of these injuries. Materials and Methods A total of 3889 interventional radiologists from academic and private practice in the United States were surveyed by emailing all interventional radiologist members of the Society of Interventional Radiology, including attending-level physicians and trainees (April-August 2016). The institutional review board waived the need for consent. Questions inquired about the nature, frequency, and type of needlestick and sharps injuries and whether and to whom these incidents were reported. Stepwise regression was used to determine variables predicting whether injuries were reported. Results In total, 908 (23%) interventional radiologists completed at least a portion of the survey. Eight hundred fourteen (91%) of 895 respondents reported a prior needlestick injury, 583 (35%) of 895 reported at least one injury while treating an HIV-positive patient, and 626 (71%) of 884 reported prior training regarding needlestick injury. There was, on average, one needlestick for every 5 years of practice. Most needlestick or sharps injuries were self inflicted (711 [87%] of 817) and involved a hollow-bore device (464 [56%] of 824). Only 566 (66%) of 850 injuries were reported. The most common reasons for not reporting included perceived lack of utility of reporting (79 [28%] of 282), perceived low risk for injury (56 [20%] of 282), noncontaminated needle (53 [19%] of 282), too-lengthy reporting process (37 [13%] of 282), and associated stigma (23 [8%] of 282). Only 156 (25%) of 624 respondents informed their significant other. Stepwise regression assessing variables affecting the likelihood of reporting showed that male sex (P = .009), low-risk patient (P < .0001), self injury (P = .010), trainee status (P < .0001), and the total number of prior

  4. Basic principles for intervention after a nuclear or radiological emergency

    International Nuclear Information System (INIS)

    Per Hedemann Jensen

    1996-01-01

    The current status of internationally agreed principles for intervention after a nuclear accident or radiological emergency and the international development of intervention guidance since the Chernobyl accident are reviewed. The experience gained after the Chernobyl accident indicates that the international advice on intervention existing at the time of the Chernobyl accident was not fully understood by decision makers neither in Western Europe nor in the former USSR and that the guidance failed to address adequately the difficult social problems which can arise after a serious nuclear accident. The radiation protection philosophy of today distinguishes between practices and interventions. The radiological protection system of intervention includes justification of the protective action and optimization of the level of protection achieved by that action. Dose limits do not apply in intervention situations. The inputs to justification and optimization studies include factors that are related to radiological protection, whereas the final decisions on introduction of countermeasures would also depend on other factors. The basic principles for intervention as recommended by international organisations are discussed in detail and the application of the principles on a generic basis is illustrated for long-term protective actions. The concepts of intervention level, operational intervention level and action level are presented and the relation between these quantities is illustrated. The numerical guidance on intervention in a nuclear accident or radiological emergency or a chronic exposure situation given by ICRP, IAEA and in the Basic Safety Standards is presented. (author)

  5. The Importance of Curriculum-Based Training and Assessment in Interventional Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Belli, Anna-Maria, E-mail: anna.belli@stgeorges.nhs.uk [St. George’s Hospital, Department of Radiology (United Kingdom); Reekers, Jim A., E-mail: j.a.reekers@amc.uva.nl [Academic Medical Centre, Department of Radiology (Netherlands); Lee, Michael, E-mail: mlee@rcsi.ie [Beaumont Hospital, Department of Radiology (Ireland)

    2013-10-30

    Physician performance and outcomes are being scrutinised by health care providers to improve patient safety and cost efficiency. Patients are best served by physicians who have undergone appropriate specialist training and assessment and perform large numbers of cases to maintain their skills. The Cardiovascular and Interventional Radiological Society of Europe has put into place a curriculum for training in interventional radiology (IR) and a syllabus with an examination, the European Board of Interventional Radiology, providing evidence of attainment of an appropriate and satisfactory skill set for the safe practice of IR. This curriculum is appropriate for IR where there is a high volume of image-guided procedures in vascular and nonvascular organ systems with cross-use of minimally invasive techniques in patients with a variety of disease processes. Other specialties may require different, longer, and more focused training if their experience is “diluted” by the need to master a different skill set.

  6. The Importance of Curriculum-Based Training and Assessment in Interventional Radiology

    International Nuclear Information System (INIS)

    Belli, Anna-Maria; Reekers, Jim A.; Lee, Michael

    2014-01-01

    Physician performance and outcomes are being scrutinised by health care providers to improve patient safety and cost efficiency. Patients are best served by physicians who have undergone appropriate specialist training and assessment and perform large numbers of cases to maintain their skills. The Cardiovascular and Interventional Radiological Society of Europe has put into place a curriculum for training in interventional radiology (IR) and a syllabus with an examination, the European Board of Interventional Radiology, providing evidence of attainment of an appropriate and satisfactory skill set for the safe practice of IR. This curriculum is appropriate for IR where there is a high volume of image-guided procedures in vascular and nonvascular organ systems with cross-use of minimally invasive techniques in patients with a variety of disease processes. Other specialties may require different, longer, and more focused training if their experience is “diluted” by the need to master a different skill set

  7. Intervention levels for protective action in the radiological emergency

    International Nuclear Information System (INIS)

    Lee, G.Y.; Khang, B.O.; Lee, M.; Lee, J.T.

    1998-09-01

    In the event of nuclear accident or radiological emergency, the protective action based on intervention levels prepared in advance should be implemented in order to minimize the public hazard. There are several protective measures such as sheltering, evacuation, iodine prophylaxis, foodstuff restrictions, temporary relocation, permanent resettlement, etc. for protecting the public. The protective measures should be implemented on the basis of operational intervention level of action level. This report describes the basic principles of intervention and the methodology for deriving intervention levels, and also recommendations for the intervention levels suggested from IAEA, ICRP, WHO and EU are summarized to apply to the domestic radiological emergency. This report also contains a revision procedure of operational intervention levels to meet a difference accident condition. Therefore, it can be usefully applied to establish revised operational intervention levels considering or the regional characteristics of our country. (author). 20 refs

  8. The role of interventional radiology in obstetric and gynaecology practice

    International Nuclear Information System (INIS)

    Ganeshan, Arul; Nazir, Sarfraz Ahmed; Hon, Lye Quen; Upponi, Sara S.; Foley, Peter; Warakaulle, Dinuke R.; Uberoi, Raman

    2010-01-01

    Interventional radiology is continuing to reshape current practice in many specialties of clinical care. It is a relatively new and innovative branch of medicine in which physicians treat diseases non-operatively through small catheters guided to the target by fluoroscopic and other imaging modalities. The aim is to provide image-guided, minimally invasive alternatives to traditional surgical and medical procedures in suitable cohorts of patients. Procedures which previously required major surgery can now be performed by interventional radiologists, sometimes on an outpatient basis, with little patient discomfort. In this review, we highlight the importance of interventional radiology in treating a comprehensive range of obstetric and gynaecological pathologies.

  9. Physical and cognitive task analysis in interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Johnson, S [School of Psychology, University of Liverpool, Liverpool (United Kingdom); Healey, A [Royal Liverpool University Hospital, Liverpool (United Kingdom); Evans, J [Royal Liverpool University Hospital, Liverpool (United Kingdom); Murphy, M [Royal Liverpool University Hospital, Liverpool (United Kingdom); Crawshaw, M [Department of Psychology, University of Hull, Hull (United Kingdom); Gould, D [Royal Liverpool University Hospital, Liverpool (United Kingdom)

    2006-01-15

    AIM: To identify, describe and detail the cognitive thought processes, decision-making, and physical actions involved in the preparation and successful performance of core interventional radiology procedures. MATERIALS AND METHODS: Five commonly performed core interventional radiology procedures were selected for cognitive task analysis. Several examples of each procedure being performed by consultant interventional radiologists were videoed. The videos of those procedures, and the steps required for successful outcome, were analysed by a psychologist and an interventional radiologist. Once a skeleton algorithm of the procedures was defined, further refinement was achieved using individual interview techniques with consultant interventional radiologists. Additionally a critique of each iteration of the established algorithm was sought from non-participating independent consultant interventional radiologists. RESULTS: Detailed task descriptions and decision protocols were developed for five interventional radiology procedures (arterial puncture, nephrostomy, venous access, biopsy-using both ultrasound and computed tomography, and percutaneous transhepatic cholangiogram). Identical tasks performed within these procedures were identified and standardized within the protocols. CONCLUSIONS: Complex procedures were broken down and their constituent processes identified. This might be suitable for use as a training protocol to provide a universally acceptable safe practice at the most fundamental level. It is envisaged that data collected in this way can be used as an educational resource for trainees and could provide the basis for a training curriculum in interventional radiology. It will direct trainees towards safe practice of the highest standard. It will also provide performance objectives of a simulator model.

  10. Physical and cognitive task analysis in interventional radiology

    International Nuclear Information System (INIS)

    Johnson, S.; Healey, A.; Evans, J.; Murphy, M.; Crawshaw, M.; Gould, D.

    2006-01-01

    AIM: To identify, describe and detail the cognitive thought processes, decision-making, and physical actions involved in the preparation and successful performance of core interventional radiology procedures. MATERIALS AND METHODS: Five commonly performed core interventional radiology procedures were selected for cognitive task analysis. Several examples of each procedure being performed by consultant interventional radiologists were videoed. The videos of those procedures, and the steps required for successful outcome, were analysed by a psychologist and an interventional radiologist. Once a skeleton algorithm of the procedures was defined, further refinement was achieved using individual interview techniques with consultant interventional radiologists. Additionally a critique of each iteration of the established algorithm was sought from non-participating independent consultant interventional radiologists. RESULTS: Detailed task descriptions and decision protocols were developed for five interventional radiology procedures (arterial puncture, nephrostomy, venous access, biopsy-using both ultrasound and computed tomography, and percutaneous transhepatic cholangiogram). Identical tasks performed within these procedures were identified and standardized within the protocols. CONCLUSIONS: Complex procedures were broken down and their constituent processes identified. This might be suitable for use as a training protocol to provide a universally acceptable safe practice at the most fundamental level. It is envisaged that data collected in this way can be used as an educational resource for trainees and could provide the basis for a training curriculum in interventional radiology. It will direct trainees towards safe practice of the highest standard. It will also provide performance objectives of a simulator model

  11. National radiology standards in X-ray diagnostic incl. interventional radiology

    International Nuclear Information System (INIS)

    Valek, V.; Kratochvil, P.

    2005-01-01

    In 2004 the Ministry of Health care started within the frame of the program for support of quality in health care a project consisting of 4 separate tasks: creating of standards for medical irradiation in radiodiagnostics, in radiotherapy , in nuclear medicine and creating of standards for patients dose assessment in radiophysics. This document continues with description of a part of the project aimed on X-ray radiodiagnostics. The authors of the project were chosen based on their bids to the public grant issued by the Ministry of Health care. The authors used recommendations, guidelines and instructions of international professional societies and IAEA, as well as the already existing procedures and practices while considering possibilities and state of the praxis in the Czech Republic. The outcome of authors work is now an interim version of a document that will be published in the bulletin of the Ministry of Health care. The document contains a set of standards that cover the whole range o fall complimentarily performed ways of patients irradiation in X-ray diagnostics and interventional radiology . The standards are divided to several categories according to the requirement of the Ministry of Health care based on the diagnostic appliances used for diagnostic irradiation i.e. radiography , fluoroscopy, mammography, stomatology, computer tomography, angiography, interventional radiography and cardiography. (authors)

  12. Approaching the Practice Quality Improvement Project in Interventional Radiology.

    Science.gov (United States)

    Reis, Stephen P; White, Benjamin; Sutphin, Patrick D; Pillai, Anil K; Kalva, Sanjeeva P; Toomay, Seth M

    2015-12-01

    An important component of maintenance of certification and quality improvement in radiology is the practice quality improvement (PQI) project. In this article, the authors describe several methodologies for initiating and completing PQI projects. Furthermore, the authors illustrate several tools that are vital in compiling, analyzing, and presenting data in an easily understandable and reproducible manner. Last, they describe two PQI projects performed in an interventional radiology division that have successfully improved the quality of care for patients. Using the DMAIC (define, measure, analyze, improve, control) quality improvement framework, interventional radiology throughput has been increased, to lessen mediport wait times from 43 to 8 days, and mediport infection rates have decreased from more than 2% to less than 0.4%. Copyright © 2015 American College of Radiology. Published by Elsevier Inc. All rights reserved.

  13. Promoting interventional radiology in clinical practice of emergency medicine

    International Nuclear Information System (INIS)

    Zhou Bing; Yuan Jianhua

    2009-01-01

    Interventional radiology has lot of advantages in dealing with various emergencies. The technique is minimally-invasive, highly-effective and immediately-efficient, moreover, it integrates the diagnosis with the therapy perfectly. Besides, the interventional techniques applied in emergency medicine include not only the vascular interventions,such as embolization, embolectomy, etc, but also the nonvascular interventions, such as tracheal s tent implantation, percutaneous vertebroplasty and so forth. However, importance has not been attached to the clinical use of interventional therapy in emergency medicine so far. It is imperative for us to promote the acceptance of interventional therapy in emergency medicine as well as to popularize the technique in clinical practice. (authors)

  14. Guide for intervention levels in radiological accidents

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Jong Tai; Khang, Byung Oui; Lee, Goan Yup; Han, Gee Yang [Korea Atomic Energy Resesrch Institute, Taejon (Korea, Republic of)

    2001-03-15

    Based on IAEA SS109 and ICRP63, intervention levels and action levels are derived using cost-benefit approach method. Intervention levels are optimized so that the net benefit from protective measures will be maximized. Evacuation, sheltering, relocation, permanent resettlement, administration of stable iodine and food restriction are included in protective measures. Intervention levels are calculated using site specific parameters in Korea. As a results of calculation, general intervention levels are similar to IAEA recommendation and action levels for food restriction are a little higher than IAEA recommendation and Japan guide. Guide on intervention levels in Korea is also suggested based on the calculated results.

  15. The teaching of Radiological Protection in actual society

    International Nuclear Information System (INIS)

    Lorenzo, Nestor Pedro de

    1996-01-01

    The use more and more frequent of radiations in different areas of the daily life generate a growing necessity of competent professionals and technicians qualified in Health Physics. The teaching of the Radiological Protection does not limit only to the instruction in scientists topics that quality to the professionals in the resolution of problems or the application of techniques, must qualified also the students in the diffusion of the own problems of the radiological protection. The content of different courses of radiological protection given in the Instituto Bailer's ( a join between the National University of Cuyo and the National Commission of Atomic Energy) guided to different groups of students or professionals are also introduced. Finally, some of the examples used in order to clarify practical situations are shown. (author)

  16. CT- and MR-guided interventions in radiology. 2. ed.

    International Nuclear Information System (INIS)

    Mahnken, Andreas H.; Wilhelm, Kai E.; Ricke, Jens

    2013-01-01

    Revised and extended second edition that covers a broad range of non-vascular interventions guided by CT or MR imaging. Discusses in detail indications, materials, techniques, and results. Includes a comprehensive section on interventional oncology. Richly illustrated source of information and guidance for all radiologists who deal with non-vascular procedures. Interventional radiology is an indispensable and still expanding area of modern medicine that encompasses numerous diagnostic and therapeutic procedures. Cross-sectional imaging modalities such as computed tomography (CT) and magnetic resonance (MR) have emerged as important techniques for non-vascular interventions, including percutaneous biopsy, drainage, ablation, and neurolysis. Various organs, diseases, and lesions can be approached in this way, permitting the treatment and management of tumors, fluid collections, and pain, the embolization of endoleaks, the provision of access to hollow organs, etc. Accordingly, interventional radiology is now an integral component of the interdisciplinary management of numerous disorders. The revised and significantly extended second edition of this volume covers a broad range of non-vascular interventions guided by CT or MR imaging. Indications, materials, techniques, and results are all carefully discussed. A particularly comprehensive section is devoted to interventional oncology as the most rapidly growing branch of interventional radiology. In addition, detailed information is provided that will assist in establishing and developing an interventional service. This richly illustrated book will be a most valuable source of information and guidance for all radiologists who deal with non-vascular procedures.

  17. Nanotechnology and its relationship to interventional radiology. Part I: imaging.

    LENUS (Irish Health Repository)

    Power, Sarah

    2011-04-01

    Nanotechnology refers to the design, creation, and manipulation of structures on the nanometer scale. Interventional radiology stands to benefit greatly from advances in nanotechnology because much of the ongoing research is focused toward novel methods of imaging and delivery of therapy through minimally invasive means. Through the development of new techniques and therapies, nanotechnology has the potential to broaden the horizon of interventional radiology and ensure its continued success. This two-part review is intended to acquaint the interventionalist with the field of nanotechnology, and provide an overview of potential applications, while highlighting advances relevant to interventional radiology. Part I of the article deals with an introduction to some of the basic concepts of nanotechnology and outlines some of the potential imaging applications, concentrating mainly on advances in oncological and vascular imaging.

  18. Nanotechnology and its relationship to interventional radiology. Part I: imaging.

    LENUS (Irish Health Repository)

    Power, Sarah

    2012-02-01

    Nanotechnology refers to the design, creation, and manipulation of structures on the nanometer scale. Interventional radiology stands to benefit greatly from advances in nanotechnology because much of the ongoing research is focused toward novel methods of imaging and delivery of therapy through minimally invasive means. Through the development of new techniques and therapies, nanotechnology has the potential to broaden the horizon of interventional radiology and ensure its continued success. This two-part review is intended to acquaint the interventionalist with the field of nanotechnology, and provide an overview of potential applications, while highlighting advances relevant to interventional radiology. Part I of the article deals with an introduction to some of the basic concepts of nanotechnology and outlines some of the potential imaging applications, concentrating mainly on advances in oncological and vascular imaging.

  19. Nanotechnology and its Relationship to Interventional Radiology. Part I: Imaging

    International Nuclear Information System (INIS)

    Power, Sarah; Slattery, Michael M.; Lee, Michael J.

    2011-01-01

    Nanotechnology refers to the design, creation, and manipulation of structures on the nanometer scale. Interventional radiology stands to benefit greatly from advances in nanotechnology because much of the ongoing research is focused toward novel methods of imaging and delivery of therapy through minimally invasive means. Through the development of new techniques and therapies, nanotechnology has the potential to broaden the horizon of interventional radiology and ensure its continued success. This two-part review is intended to acquaint the interventionalist with the field of nanotechnology, and provide an overview of potential applications, while highlighting advances relevant to interventional radiology. Part I of the article deals with an introduction to some of the basic concepts of nanotechnology and outlines some of the potential imaging applications, concentrating mainly on advances in oncological and vascular imaging.

  20. Attention to the application of vein anaesthesia in interventional radiology

    International Nuclear Information System (INIS)

    Xie Zonggui; Cheng Yongde

    2006-01-01

    Interventional radiology is mostly carried out under local anesthesia with micro invasive characteristics. However, the questions of patient's pain, nerve intense, change of blood pressure and heart rate always influence the performance of operation. General anaesthesia in interventional radiology is a comparatively simple venous anaesthesia modality with a controlled dose of anesthetics injecting via periphery vein through persistent minimally injecting pump to keep the patient in dormancy under electrocardiographic monitoring. It doesn't require a tube insertion of trachea. The anaesthesia depth and time are under control. The half-life of the anaesthesia drugs is short with less side-effect. It is necessary to introduce the advanced anaesthesia into common interventional radiological therapy with attentions of promoting the development through new modalities. (authors)

  1. Health literacy in vascular and interventional radiology: a comparative analysis of online patient education resources.

    Science.gov (United States)

    Hansberry, David R; Kraus, Carl; Agarwal, Nitin; Baker, Stephen R; Gonzales, Sharon F

    2014-08-01

    The Internet is frequently accessed by patients as a resource for medical knowledge. However, the provided material is typically written at a level well above the recommended 7th grade level. A clear understanding of the capabilities, limitations, risks, and benefits of interventional radiology by patients, both current and prospective, is hindered when the textual information offered to the public is pitched at a level of sophistication too high for general comprehension. In January 2013, all 25 patient education resources from the Cardiovascular and Interventional Radiology Society of Europe (CIRSE) Web site ( http://www.cirse.org ) and all 31 resources from the Society of Interventional Radiology (SIR) Web site ( http://www.sirweb.org ) were analyzed for their specific level of readability using ten quantitative scales: Flesch Reading Ease, Flesch-Kincaid Grade Level, Simple Measure of Gobbledygook, Gunning fog index, New Fog Count, Coleman-Liau index, FORCAST formula, Fry graph, Raygor Readability Estimate, and New Dale-Chall. Collectively, the patient education resources on the CIRSE Web site are written at the 12.3 grade level, while the resources on the SIR Web site are written at the 14.5 grade level. Educational health care materials available on both the CIRSE and the SIR Web sites are presented in language in the aggregate that could be too difficult for many lay people to fully understand. Given the complex nature of vascular and interventional radiology, it may be advantageous to rewrite these educational resources at a lower reading level to increase comprehension.

  2. Evaluation of medical radiation exposure in pediatric interventional radiology procedures

    Energy Technology Data Exchange (ETDEWEB)

    Navarro, Valeria Coelho Costa; Navarro, Marcus Vinicius Teixeira; Oliveira, Aline da Silva Pacheco, E-mail: vccnavarro@gmail.com [Instituto Federal de Educacao, Ciencia e Tecnologia da Bahia (IFBA), Salvador, BA (Brazil); Maia, Ana Figueiredo [Universidade Federal de Sergipe (UFS), Aracaju, SE (Brazil); Oliveira, Adriano Dias Dourado [Sociedade Brasileira de Hemodinamica e Cardiologia Intervencionista, Salvador, BA (Brazil)

    2012-07-15

    Objective: To evaluate pediatric radiation exposure in procedures of interventional radiology in two hospitals in the Bahia state, aiming at contributing to delineate the scenario at the state and national levels. The knowledge of exposure levels will allow an evaluation of the necessity of doses optimization, considering that peculiarities of radiology and pediatrics become even more significant in interventional radiology procedures which involve exposure to higher radiation doses. Materials and Methods: A total of 32 procedures were evaluated in four rooms of the two main hospitals performing pediatric interventional radiology procedures in the Bahia state. Air kerma rate and kerma-area product were evaluated in 27 interventional cardiac and 5 interventional brain procedures. Results: Maximum values for air kerma rate and kerma-area product and air kerma obtained in cardiac procedures were, respectively, 129.9 Gy.cm{sup 2} and 947.0 mGy; and, for brain procedures were 83.3 Gy.cm{sup 2} and 961.0 mGy. Conclusion: The present study results showed exposure values up to 14 times higher than those found in other foreign studies, and approximating those found for procedures in adults. Such results demonstrate excessive exposure to radiation, indicating the need for constant procedures optimization and evaluation of exposure rates. (author)

  3. 100 classic papers of interventional radiology: A citation analysis.

    Science.gov (United States)

    Crockett, Matthew T; Browne, Ronan Fj; MacMahon, Peter J; Lawler, Leo

    2015-04-28

    To define the 100 citation classic papers of interventional radiology. Using the database of Journal Citation Reports the 40 highest impact factor radiology journals were chosen. From these journals the 100 most cited interventional radiology papers were chosen and analysed. The top paper received 2497 citations and the 100(th) paper 200 citations. The average number of citations was 320. Dates of publication ranged from 1953 - 2005. Most papers originated in the United States (n = 67) followed by Italy (n = 20) and France (n = 10). Harvard University (n = 18) and Osped Civile (n = 11) were the most prolific institutions. Ten journals produced all of the top 100 papers with "Radiology" and "AJR" making up the majority. SN Goldberg and T Livraghi were the most prolific authors. Nearly two thirds of the papers (n = 61) were published after 1990. This analysis identifies many of the landmark interventional radiology papers and provides a fascinating insight into the changing discourse within the field. It also identifies topics, authors and institutions which have impacted greatly on the specialty.

  4. ICRP Publication 139: Occupational Radiological Protection in Interventional Procedures.

    Science.gov (United States)

    López, P Ortiz; Dauer, L T; Loose, R; Martin, C J; Miller, D L; Vañó, E; Doruff, M; Padovani, R; Massera, G; Yoder, C

    2018-03-01

    In recent publications, such as Publications 117 and 120, the Commission provided practical advice for physicians and other healthcare personnel on measures to protect their patients and themselves during interventional procedures. These measures can only be effective if they are encompassed by a framework of radiological protection elements, and by the availability of professionals with responsibilities in radiological protection. This framework includes a radiological protection programme with a strategy for exposure monitoring, protective garments, education and training, and quality assurance of the programme implementation. Professionals with responsibilities in occupational radiological protection for interventional procedures include: medical physicists; radiological protection specialists; personnel working in dosimetry services; clinical applications support personnel from the suppliers and maintenance companies; staff engaged in training, standardisation of equipment, and procedures; staff responsible for occupational health; hospital administrators responsible for providing financial support; and professional bodies and regulators. This publication addresses these elements and these audiences, and provides advice on specific issues, such as assessment of effective dose from dosimeter readings when an apron is worn, estimation of exposure of the lens of the eye (with and without protective eyewear), extremity monitoring, selection and testing of protective garments, and auditing the interventional procedures when occupational doses are unusually high or low (the latter meaning that the dosimeter may not have been worn).

  5. Deterministic effects of interventional radiology procedures

    International Nuclear Information System (INIS)

    Shope, Thomas B.

    1997-01-01

    The purpose of this paper is to describe deterministic radiation injuries reported to the Food and Drug Administration (FDA) that resulted from therapeutic, interventional procedures performed under fluoroscopic guidance, and to investigate the procedure or equipment-related factors that may have contributed to the injury. Reports submitted to the FDA under both mandatory and voluntary reporting requirements which described radiation-induced skin injuries from fluoroscopy were investigated. Serious skin injuries, including moist desquamation and tissues necrosis, have occurred since 1992. These injuries have resulted from a variety of interventional procedures which have required extended periods of fluoroscopy compared to typical diagnostic procedures. Facilities conducting therapeutic interventional procedures need to be aware of the potential for patient radiation injury and take appropriate steps to limit the potential for injury. (author)

  6. Interventional radiological treatment in complications of pancreatitis

    Energy Technology Data Exchange (ETDEWEB)

    Memis, Ahmet E-mail: ahmemis@yahoo.com; Parildar, Mustafa

    2002-09-01

    Percutaneous interventional therapy plays an important role in treating complications of acute and chronic pancreatitis. With the development of cross-sectional imaging and advanced interventional techniques, percutaneous drainage has become the preferred treatment for pancreatic fluid collections such as acute collections, pseudocysts and abscesses. Abscess and pancreatic hemorrhage are the most life threatening complications of pancreatitis. Massive hemorrhage is rare but frequently lethal. As a rule, bleeding complications of pancreatitis require prompt diagnosis and an aggressive surgical approach. In unstable patients with a severely bleeding pseudoaneurysm, hemostasis can be obtained by occlusion with mechanical devices.

  7. Interventional radiological treatment in complications of pancreatitis

    International Nuclear Information System (INIS)

    Memis, Ahmet; Parildar, Mustafa

    2002-01-01

    Percutaneous interventional therapy plays an important role in treating complications of acute and chronic pancreatitis. With the development of cross-sectional imaging and advanced interventional techniques, percutaneous drainage has become the preferred treatment for pancreatic fluid collections such as acute collections, pseudocysts and abscesses. Abscess and pancreatic hemorrhage are the most life threatening complications of pancreatitis. Massive hemorrhage is rare but frequently lethal. As a rule, bleeding complications of pancreatitis require prompt diagnosis and an aggressive surgical approach. In unstable patients with a severely bleeding pseudoaneurysm, hemostasis can be obtained by occlusion with mechanical devices

  8. Intercomparison of active personal dosemeters in interventional radiology

    International Nuclear Information System (INIS)

    Clairand, I.; Struelens, L.; Bordy, J. M.; Daures, J.; Debroas, J.; Denozieres, M.; Donadille, L.; Gouriou, J.; Itie, C.; Vaz, P.; D'Errico, F.

    2008-01-01

    The use of active personal dosemeters (APD) in interventional radiology was evaluated by Working Group 9 (Radiation protection dosimetry of medical staff) of the CONRAD project, which is a Coordination Action supported by the European Commission within its sixth Framework Programme. Interventional radiology procedures can be very complex and they can lead to relatively high doses to personnel who stand close to the primary radiation field and are mostly exposed to radiation scattered by the patient. For the adequate dosimetry of the scattered photons, APDs must be able to respond to low-energy [10-100 keV] and pulsed radiation with relatively high instantaneous dose rates. An intercomparison of five APD models deemed suitable for application in interventional radiology was organised in March 2007. The intercomparison used pulsed and continuous radiation beams, at CEA-LIST (Saclay (France)) and IRSN (Fontenay-aux-Roses (France)), respectively. A specific configuration, close to the clinical practice, was considered. The reference dose, in terms of Hp(10), was derived from air kerma measurements and from the measured and calculated energy distributions of the scattered radiation field. Additional Monte Carlo calculations were performed to investigate the energy spectra for different experimental conditions of the intercomparison. The results of this intercomparison are presented in this work and indicate which APDs are able to provide a correct response when used in the specific low-energy spectra and dose rates of pulsed X-rays encountered in interventional radiology. (authors)

  9. Radiation Protection Knowledge, Attitude, and Practice (KAP) in Interventional Radiology.

    Science.gov (United States)

    Shabani, Fatemeh; Hasanzadeh, Hadi; Emadi, Alireza; Mirmohammadkhani, Majid; Bitarafan-Rajabi, Ahmad; Abedelahi, Ali; Bokharaeian, Mitra; Masoumi, Hamed; Seifi, Danial; Khani, Tahereh; Sanchooli, Mohamad; Moshfegh, Shima; Ziari, Abbas

    2018-03-01

    Due to increasing cardiac disease and its mortality rate, the frequency of cardiac imaging has grown and, as a result, interventional cardiologists potentially receive high radiation doses in cardiac examinations. This study aimed to assess the knowledge, attitude, and practice (KAP) level of radiation protection (RP) among interventional radiology staff in Iranian health care centers across the country. We used a validated questionnaire survey consisting of 30 multiple-choice questions to perform a cross-sectional study. Participants were healthcare personnel working professionally with radiation at different levels (i.e., secretary, radiology technologists, nurse, and physician). The questionnaire was divided into three sections to assess KAP regarding RP. Significant differences exist in RP KAP mean scores based on educational age (p 0.050). We found a significant difference between RP KAP mean scores and different regions (p < 0.050). Educational and practice age, sex, type of hospital, and geographical region affect he KAP of interventional radiology staff regarding RP. Since many of the subjective radiation harms for both medical team and patients, this can be easily controlled and prevented; a checkup for personnel of interventional radiology departments, considering samples from different parts of the country with different levels of education, continuous training, and practical courses may help map the status of KAP. The results of this study may also help authorized health physics officers design strategic plans to enhance the quality of such services in radiation departments.

  10. Radiation Protection Knowledge, Attitude, and Practice (KAP in Interventional Radiology

    Directory of Open Access Journals (Sweden)

    Fatemeh Shabani

    2018-03-01

    Full Text Available Objectives: Due to increasing cardiac disease and its mortality rate, the frequency of cardiac imaging has grown and, as a result, interventional cardiologists potentially receive high radiation doses in cardiac examinations. This study aimed to assess the knowledge, attitude, and practice (KAP level of radiation protection (RP among interventional radiology staff in Iranian health care centers across the country. Methods: We used a validated questionnaire survey consisting of 30 multiple-choice questions to perform a cross-sectional study. Participants were healthcare personnel working professionally with radiation at different levels (i.e., secretary, radiology technologists, nurse, and physician. The questionnaire was divided into three sections to assess KAP regarding RP. Results: Significant differences exist in RP KAP mean scores based on educational age (p 0.050. We found a significant difference between RP KAP mean scores and different regions (p < 0.050. Conclusions: Educational and practice age, sex, type of hospital, and geographical region affect he KAP of interventional radiology staff regarding RP. Since many of the subjective radiation harms for both medical team and patients, this can be easily controlled and prevented; a checkup for personnel of interventional radiology departments, considering samples from different parts of the country with different levels of education, continuous training, and practical courses may help map the status of KAP. The results of this study may also help authorized health physics officers design strategic plans to enhance the quality of such services in radiation departments.

  11. Contribution of the french society of radiological protection to the current reflections on the possible improvement of the radiological risk management system

    International Nuclear Information System (INIS)

    Lecomte, J.F.; Schieber, C.

    2000-01-01

    Following the invitation by IRPA to comment the article by Prof. R. Clarke entitled 'Control of Low Level Radiation Exposures: Time for a Change?', the Board of the French Radiological Protection Society (SFRP) has decided to set up a specific Working Group. This Group consists of some twenty members representing the stakeholders involved in radiological protection in France. Its goal is, starting from an analysis of R. Clarke's text, to formulate questions and proposals to assist ICRP in making its radiological protection system more understandable and more efficient. The aim of this review is not to restart from scratch but to consolidate and improve the existing system. The Working Group has therefore focused its thoughts on the following four points: 1. The basis of the radiological risk management system. In the absence of scientific certainty as to the effects of low doses of radiation, a prudent attitude has been adopted as to the manner of managing the radiological risk, based on the hypothesis that the dose-effect relationship is linear with no threshold. The Group discusses this basic assumption and its implications on the elaboration of the objectives of the radiological risk management system. 2. Exposure situations. Exposure situations are multifarious and the existing system divides them into categories for management purpose (e.g. practice/intervention; natural/artificial; medical/public/occupational; actual exposure/potential exposure; etc.). Some of these divisions are pertinent but some are less so and the Group examines if another way of conceptualising exposures situations could be more efficient. 3. Risk management indicators and tools. The radiological protection system provides the professionals with a series of indicators and tools, enabling them to manage exposure situations (dose, dose limit, dose constraint, individual dose, collective dose, investigation level, action level, interventional level, exemption level, clearance level

  12. Diagnostic and interventional radiology in gynecologic neoplasms

    International Nuclear Information System (INIS)

    Thorvinger, B.

    1990-05-01

    The role and clinical value of the modern radiologic methods for evaluation of gynecologic tumors is not finally settled. The aims of our investigation were therefore to compare clinical examination with CT in patients with possible recurrence of cervical carcinoma; to evaluate the usefulness of CT in patients with fistulas following gynecologic tumors or their treatment; to evaluate the ability of transabdominal US and MR imaging in intrauterine staging including myometrial invasion on patients with endometrial carcinoma; to evaluate CT in the capacity of monitoring therapy response, probable recurrence or clinical remission in patients with ovarian carcinoma; and to evaluate the effect of intraarterial occlusion in facilitating surgery and in evaluating the role of the intraarterial infusion in gynecologic tumors otherwise refractory to all therapy given. CT was more accurate (91%) than clinical pelvic examination (78%) in revealing extensive disease after radiation and/ or surgical treatment. CT was also a most valuable tool in demonstrating genital fistulas following gynecologic malignancy or its treatment. Transabdominal US did not improve staging in early endometrila carcinoma while MR had potential for delineating intrauterine tumor growth (accuracy for myometrial invasion 95%). CT was most valuable in the evaluation of therapeutic response of ovarian malignancy. For possible recurrence or in clinical remission, only positive CT was of clinical significance. The potentials of transcatheter intraarterial management in order to facilitate operability are also discussed. (92 refs.)

  13. 100 classic papers of interventional radiology: A citation analysis

    Science.gov (United States)

    Crockett, Matthew T; Browne, Ronan FJ; MacMahon, Peter J; Lawler, Leo

    2015-01-01

    AIM: To define the 100 citation classic papers of interventional radiology. METHODS: Using the database of Journal Citation Reports the 40 highest impact factor radiology journals were chosen. From these journals the 100 most cited interventional radiology papers were chosen and analysed. RESULTS: The top paper received 2497 citations and the 100th paper 200 citations. The average number of citations was 320. Dates of publication ranged from 1953 - 2005. Most papers originated in the United States (n = 67) followed by Italy (n = 20) and France (n = 10). Harvard University (n = 18) and Osped Civile (n = 11) were the most prolific institutions. Ten journals produced all of the top 100 papers with “Radiology” and “AJR” making up the majority. SN Goldberg and T Livraghi were the most prolific authors. Nearly two thirds of the papers (n = 61) were published after 1990. CONCLUSION: This analysis identifies many of the landmark interventional radiology papers and provides a fascinating insight into the changing discourse within the field. It also identifies topics, authors and institutions which have impacted greatly on the specialty. PMID:25918585

  14. Intervention radiology in postoperative recurrent goiter

    International Nuclear Information System (INIS)

    Galkin, E.V.

    1995-01-01

    Roentgenoendovascular functional thyroidectomy was used to suppress the pathological activity of the thyroid in postoperative recurrent goiter. The method consists in vascular isolation of hyperplastic stump of the thyroid by catheterization of the left and right thyroid arteries, followed by their material occlusion. For embolization, a wide spectrum of nonlyzed synthetic, organic, and inorganic materials were used. The results of roentgenoendovascular functional thyroidectomy in 14 patients with postoperative recurrent goiter are analyzed. The advantages of roentgenoendovascular occlusion of the thyroid arteries before subtotal thyroidectomy are emphasized. A stabile clinical and hormonal remission and reduction of the thyroid in size to stage 1 were observed during three years following roentgenoendovascular intervention [ru

  15. ICRP PUBLICATION 121: Radiological Protection in Paediatric Diagnostic and Interventional Radiology

    International Nuclear Information System (INIS)

    Khong, P-L.; Ringertz, H.; Donoghue, V.; Frush, D.; Rehani, M.; Appelgate, K.; Sanchez, R.

    2013-01-01

    Paediatric patients have a higher average risk of developing cancer compared with adults receiving the same dose. The longer life expectancy in children allows more time for any harmful effects of radiation to manifest, and developing organs and tissues are more sensitive to the effects of radiation. This publication aims to provide guiding principles of radiological protection for referring clinicians and clinical staff performing diagnostic imaging and interventional procedures for paediatric patients. It begins with a brief description of the basic concepts of radiological protection, followed by the general aspects of radiological protection, including principles of justification and optimisation. Guidelines and suggestions for radiological protection in specific modalities – radiography and fluoroscopy, interventional radiology, and computed tomography – are subsequently covered in depth. The report concludes with a summary and recommendations. The importance of rigorous justification of radiological procedures is emphasised for every procedure involving ionising radiation, and the use of imaging modalities that are non-ionising should always be considered. The basic aim of optimisation of radiological protection is to adjust imaging parameters and institute protective measures such that the required image is obtained with the lowest possible dose of radiation, and that net benefit is maximised to maintain sufficient quality for diagnostic interpretation. Special consideration should be given to the availability of dose reduction measures when purchasing new imaging equipment for paediatric use. One of the unique aspects of paediatric imaging is with regards to the wide range in patient size (and weight), therefore requiring special attention to optimisation and modification of equipment, technique, and imaging parameters. Examples of good radiographic and fluoroscopic technique include attention to patient positioning, field size and adequate collimation

  16. Traumatic injuries: radiological hemostatic intervention at admission

    Energy Technology Data Exchange (ETDEWEB)

    Dondelinger, R.F.; Trotteur, G.; Ghaye, B.; Szapiro, D. [Department of Medical Imaging, University Hospital Sart Tilman, Liege (Belgium)

    2002-05-01

    Blunt trauma victims and selected patients with penetrating trauma are systematically investigated after resuscitation and hemodynamic stabilization with cross-sectional imaging. Computed tomography is a good predictor of the need for hemostatic arteriographic embolization, based on contrast medium extravasation observed on CT. In centers admitting polytrauma patients, the CT and angiography units should be installed together within the emergency environment. Trauma-dedicated interventional radiologists should be on call for optimal patient management. Posttraumatic retroperitoneal and pelvic bleeding is a primary indication for angiographic hemostasis, together with orthopedic fixation of pelvic bone fractures. Angiography should be carried out rapidly, before the patient decompensates for considerable blood loss. In patients with visceral bleeding, arterial embolization can obviate primary surgery or potentializes surgical intervention and contributes to changing hierarchy of injuries to be treated surgically. Failure to achieve primary hemostasis may occur according to the type of specific organ injury and coagulation and metabolic parameters of the patient. Postembolization complications are few and are usually non-life-threatening and rarely carry definitive sequelae. (orig.)

  17. Traumatic injuries: radiological hemostatic intervention at admission

    International Nuclear Information System (INIS)

    Dondelinger, R.F.; Trotteur, G.; Ghaye, B.; Szapiro, D.

    2002-01-01

    Blunt trauma victims and selected patients with penetrating trauma are systematically investigated after resuscitation and hemodynamic stabilization with cross-sectional imaging. Computed tomography is a good predictor of the need for hemostatic arteriographic embolization, based on contrast medium extravasation observed on CT. In centers admitting polytrauma patients, the CT and angiography units should be installed together within the emergency environment. Trauma-dedicated interventional radiologists should be on call for optimal patient management. Posttraumatic retroperitoneal and pelvic bleeding is a primary indication for angiographic hemostasis, together with orthopedic fixation of pelvic bone fractures. Angiography should be carried out rapidly, before the patient decompensates for considerable blood loss. In patients with visceral bleeding, arterial embolization can obviate primary surgery or potentializes surgical intervention and contributes to changing hierarchy of injuries to be treated surgically. Failure to achieve primary hemostasis may occur according to the type of specific organ injury and coagulation and metabolic parameters of the patient. Postembolization complications are few and are usually non-life-threatening and rarely carry definitive sequelae. (orig.)

  18. Occupational hand doses in interventional radiology

    International Nuclear Information System (INIS)

    Spasic Jokic, V.; Djurovic, B.; Lukac, S.

    2001-01-01

    In this paper we present the case of a radiologist performing interventional procedures. The radiologist works for number of interventional procedures, but we reported only percutaneous nephrostomy and percutaneous biliary drainage which represent about 30% of his occupational exposure. The radiologist is occupationally exposed for eighteen years and from 1995 has radiation injuries. From 1999, art. hypertension, cataract complicata incip.ou., onychodystrophia and hyperceratosis mani bill. The most important are hands skin injuries. In ordinary dosimetric control low doses less than 10 mGy per year were recorded, so personal dosimetry results and biological results are not in accordance. For that reason we performed additional measurements during many procedures and in this paper we present results for two chosen procedures. Radiation exposure of the radiologist's hands during 200 percutaneous nephrostomy and 63 percutaneous biliary drainage per year are reported. Exposures were measured with thermoluminescent dosemeters (TLD) type CaF 2 :Mn. Hand doses of equivalent of 221 μSv in average per drainage and 31 μSv in average per nephrostomy were recorded. (author)

  19. Occupational exposure for workers in interventional radiological examination

    International Nuclear Information System (INIS)

    Suliman, E.E.

    2005-01-01

    Full text: An interventional radiological examination is a diagnostic or therapeutic in any organ or anatomical region using images acquired with ionizing radiation. Compared to other radiological acquisition, personnel who perform interventional procedures, which involve long fluoroscopy times and a high workload may receive radiation doses comparable to the dose limits. Therefore to ensure that no person be subjected to an unacceptable risk from radiation, that need for accurate individual monitoring has arisen. In this work, the doses received by physician in cardiac angiography were evaluated and the results of two months were presented. Only 7 physicians were monitored. Hence the data available is presented, and it is hoped to provide some information on the assessment of occupational exposure in interventional radiological examination. Measurements were done using Thermoluminescence dosimeters (TLD) and a calibrated Harshaw Reader. Two TLDs were used by each physician, one worn under a protective apron at the waist (H W ) and the other worn outside and above the apron at the neck (H N ). The effective dose E was estimated from the formula: E (estimated) = 0.5 H W + 0.025 H N . From the result obtained it was concluded that, the weak point of radiation protection philosophy in medical application is in the work of interventional physicians who have no full time decision like the radiologist physicians and therefore haven't enough knowledge about the radiation and radiation protection. So they are the highest risk group among physicians and to whom the efforts must be directed. (author)

  20. Interventional radiology in the cancer patient

    International Nuclear Information System (INIS)

    Wallace, S.; Charnsangavej, C.

    1987-01-01

    The contributions of the interventional radiologist in the diagnosis and management of the cancer patient include angiography and intraarterial CT-angiography, intraarterial infusion therapy, embolization, chemoembolization, biopsy and drainage procedures, central venous catheter reposition and retrieval, and stent dilation of stenotic tubular structures in the following organ systems: (1) Kidney. Arterial embolization, therapeutic delay, enphrectomy, and medroxyprogesterone yield a response rate of 28% in patients with renal cell carcinoma and pulmonary parenchymal metastases. (2) Liver. The carcinoid syndrome secondary to hepatic metastases can be controlled by embolization in 87% of patients. Islet cell carcinoma of the pancreas with hepatic metastases is successfully managed in 75% of patients. Chemoembolization (Ivalon and cisplatin) has been effective in 60% of patients with hepatic metastases from ocular melanoma. (3) Bone. A 73% 3-year survival rate is now possible with the inraarterial infusion of cisplatin, while Adriamycin is given intravenously in patients with osteosarcoma. Limb salvage is now possible in 80% of cases. Cancers of the vulva, vagina, urethra, and penis have been successfully treated with intraarterial infusion of chemotherapy followed by radiation therapy. (5) An expansile metallic stent is available to alleviate obstructions of the vena cava, the aorta and its major branches, the tracheobronchial tree, and the common duct. These techniques are demonstrated and results discussed

  1. 2000 RSNA annual oration in diagnostic radiology: The future of interventional radiology.

    Science.gov (United States)

    Becker, G J

    2001-08-01

    Origins in imaging, procedural emphasis, and dependence on innovation characterize interventional radiology, which will continue as the field of image-guided minimally invasive therapies. A steady supply of innovators will be needed. Current workforce shortages demand that this problem be addressed and in an ongoing fashion. Interventional radiology's major identity problem will require multiple corrective measures, including a name change. Diagnostic radiologists must fully embrace the concept of the dedicated interventionalist. Interspecialty turf battles will continue, especially with cardiologists and vascular surgeons. To advance the discipline, interventional radiologists must remain involved in cutting-edge therapies such as endograft repair of aortic aneurysms and carotid stent placement. As the population ages, interventionalists will experience a shift toward a greater emphasis on cancer treatment. Political agendas and public pressure will improve access to care and result in managed health care reforms. Academic centers will continue to witness a decline in time and resources available to pursue academic missions. The public outcry for accountability will result in systems changes aimed at reducing errors and process changes in the way physicians are trained, certified, and monitored. Evidence-based medicine will be the watchword of this century. Interventional radiology will maintain its role through development of methods for delivery of genes, gene products, and drugs to specific target sites; control of angiogenesis and other biologic processes; and noninvasive image-guided delivery of various forms of energy for ablation.

  2. A survey of nurse staffing levels in interventional radiology units throughout the UK

    International Nuclear Information System (INIS)

    Christie, A.; Robertson, I.

    2016-01-01

    Aim: To supplement previous surveys analysing provision of interventional radiology (IR), in-hours (IH) and out-of-hours (OOH), by specifically surveying the level of nursing support provided. Materials and methods: A web-based questionnaire was distributed to all British Society of Interventional Radiology (BSIR) members. This addressed several aspects of radiology nursing support for IR procedures, both IH and OOH. Results: Sixty percent of respondents indicated that they have a formal OOH service. Of these, all have a dedicated nursing rota, with the vast majority operating with one nurse. IH, 77% of respondents always have a scrubbed nurse assistant, but this reduces to 40% OOH. IH, 4% never have a scrubbed radiology nurse assistant, which rises to 25% OOH. IH, 75% of respondents always have a radiology nurse dedicated to patient monitoring, but this reduces to 20% OOH. IH, 3% never have a radiology nurse dedicated to patient monitoring, which rises to 42% OOH. Conclusion: A significant disparity exists in the level of IR nursing support between IH and OOH. The majority of sites provide a single nurse with ad hoc additional support. This is potentially putting patients at increased risk. Radiology nurses are integral to the safe and sustainable provision of IR OOH services and a greater focus is required to ensure adequate and safe staffing levels for 24/7 IR services. - Highlights: • A significant disparity exists between the level of nursing support provided in-hours and OOH. • This applies to both the availability of a nurse to scrub and to monitor the patient. • Having a dedicated 24/7 nursing rota is mandatory to providing a deliverable OOH service.

  3. The Provision of Interventional Radiology Services in Europe: CIRSE Recommendations

    International Nuclear Information System (INIS)

    Tsetis, Dimitrios; Uberoi, Raman; Fanelli, Fabrizio; Roberston, Iain; Krokidis, Miltiadis; Delden, Otto van; Radeleff, Boris; Müller-Hülsbeck, Stefan; Szerbo-Trojanowska, Malgorzata; Lee, Michael; Morgan, Robert; Brountzos, Elias; Belli, Anna Maria

    2016-01-01

    Interventional Radiology (IR) is an essential part of modern medicine, delivering minimally invasive patient-focused care, which has been proven to be safe and effective in both elective and emergency settings. The aim of this document is to outline the core requirements and standards for the provision of Interventional Radiological services, including training, certification, manpower, and accreditation. The ultimate challenge will be the adoption of these recommendations by different countries and health economies around the world, in turn ensuring equal access to IR treatments for all patients, the appropriate distribution of resources for IR service provision as well as the continued development of safe and high-quality IR services in Europe and beyond.

  4. The Provision of Interventional Radiology Services in Europe: CIRSE Recommendations

    Energy Technology Data Exchange (ETDEWEB)

    Tsetis, Dimitrios, E-mail: tsetis@med.uoc.gr [University of Crete, Interventional Radiology Unit, Department of Radiology, University Hospital Heraklion, Faculty of Medicine (Greece); Uberoi, Raman, E-mail: raman.uberoi@orh.nhs.uk [John Radcliff Hospital, Radiology Department (United Kingdom); Fanelli, Fabrizio, E-mail: fabrizio.fanelli@uniroma1.it [Sapienza – University of Rome, Interventional Radiology Unit, Department of Radiological Sciences (Italy); Roberston, Iain, E-mail: bsiriain@gmail.com [Gartnavel General Hospital, Interventional Radiology Unit (United Kingdom); Krokidis, Miltiadis, E-mail: mkrokidis@hotmail.com [Cambridge University Hospitals NHS Foundation Trust, Department of Radiology (United Kingdom); Delden, Otto van, E-mail: o.m.vandelden@amc.uva.nl [Academic Medical Center, Department of Radiology (Netherlands); Radeleff, Boris, E-mail: boris.radeleff@med.uni-heidelberg.de [University Hospital of Heidelberg, Department for Diagnostic and Interventional Radiology (Germany); Müller-Hülsbeck, Stefan, E-mail: muehue@diako.de [Ev.-Luth. Diakonissenanstalt zu Flensburg – Zentrum für Gesundheit und Diakonie, Diagnostische u. Interventionelle Radiologie/Neuroradiologie (Germany); Szerbo-Trojanowska, Malgorzata, E-mail: m.trojanowska@umlub.pl [Medical University of Lublin, Interventional Radiology (Poland); Lee, Michael, E-mail: mlee@rcsi.ie [Beaumont Hospital, Department of Radiology (Ireland); Morgan, Robert, E-mail: robert.morgan@stgeorges.nhs.uk [St George’s Hospital, Department of Radiology (United Kingdom); Brountzos, Elias, E-mail: ebrountz@med.uoa.gr [National and Kapodistrian University of Athens (Greece); Belli, Anna Maria, E-mail: Anna.belli@stgeorges.nhs.uk [St George’s Hospital, Department of Radiology (United Kingdom)

    2016-04-15

    Interventional Radiology (IR) is an essential part of modern medicine, delivering minimally invasive patient-focused care, which has been proven to be safe and effective in both elective and emergency settings. The aim of this document is to outline the core requirements and standards for the provision of Interventional Radiological services, including training, certification, manpower, and accreditation. The ultimate challenge will be the adoption of these recommendations by different countries and health economies around the world, in turn ensuring equal access to IR treatments for all patients, the appropriate distribution of resources for IR service provision as well as the continued development of safe and high-quality IR services in Europe and beyond.

  5. Occupational radiation exposure of the personnel due to interventional radiology

    International Nuclear Information System (INIS)

    Wucherer, M.; Schmidt, T.; Loose, R.

    2000-01-01

    Applications of interventional radiology continue to be on an upward trend, some countries reporting a 100% increase within 2-4 years, so that the resulting radiation exposure of both patients and personnel is an issue of increasing importance. Whereas those applications in general are of advantage for the patients, they mean just a further health hazard for the medical personnel. It is therefore necessary to exploit all available means to reduce the occupational doses. Modern interventional radiology systems offer a range of measures for this purpose, as e.g. last-image-hold, or pulsed modes. Special attention has to be given to the exposure of hand and head. Particularly the hand is closest to the useful beam, and it should be a mandatory requirement to wear film rings. (orig./CB) [de

  6. The current status of interventional radiology in Canada: results of a survey by the Canadian Interventional Radiology Association

    Energy Technology Data Exchange (ETDEWEB)

    Millward, S.F.; Holley, M.L. [Univ. of Western Ontario, London Health Sciences Centre, Dept. of Radiology, London, Ontario (Canada)

    2001-04-01

    To evaluate the current status of interventional radiology in Canada. A questionnaire was sent to 28 Canadian interventional radiologists (defined as a physician who performs any type of interventional procedure, including biopsies, but excluding interventional neuroradiology) practising in both tertiary and community hospitals in the major centres in all provinces except Prince Edward Island. Twenty-two (79%) of 28 surveys were completed and returned, providing data about 86 interventional radiologists (IRs). IRs were performing almost all of the following procedures at their institutions: inferior vena cava filter placement, venous angioplasty, dialysis fistula angioplasty, diagnostic and therapeutic pulmonary and bronchial artery procedures, diagnostic and therapeutic procedures of the lower extremity and renal arteries, percutaneous abscess and biliary drainage procedures, percutaneous nephrostomy, and fibroid embolization. A second group of procedures, performed by both IRs and non-radiologists in most institutions, included: all types of central venous catheter placements, pleural drainage, and gastrostomy tube placement. Procedures not being performed by anyone in a number of institutions included: dialysis graft thrombolysis, varicocele embolization, transjugular intrahepatic portosystemic shunts, palliative stenting of the gastrointestinal tract, fallopian tube recannalization, and liver and prostate tumour treatments. The factors most often limiting the respondents' ability to provide a comprehensive interventional service were the interventional radiology inventory budget and the availability of interventional radiology rooms; 50% of respondents indicated the number of available nurses, technologists and IRs was also an important limiting factor. IRs in Canada still play a major role in many of the most commonly performed procedures. However, limited availability of resources and personnel in many institutions may be hampering the ability of IRs to

  7. Broken Esophageal Stent Successfully Treated by Interventional Radiology Technique

    International Nuclear Information System (INIS)

    Zelenak, Kamil; Mistuna, Dusan; Lucan, Jaroslav; Polacek, Hubert

    2010-01-01

    Esophageal stent fractures occur quite rarely. A 61-year-old male patient was previously treated for rupture of benign stenosis, occurring after dilatation, by implanting an esophageal stent. However, a year after implantation, the patient suffered from dysphagia caused by the broken esophageal stent. He was treated with the interventional radiology technique, whereby a second implantation of the esophageal stent was carried out quite successfully.

  8. Patient radiation doses and reference levels in pediatric interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Habib Geryes, Bouchra; Lachaux, Julie; Boddaert, Nathalie; Brunelle, Francis [Hopital Universitaire Necker Enfants Malades, Department of Paediatric Radiology, Paris (France); Bak, Adeline; Ozanne, Augustin; Saliou, Guillaume [Hopital Bicetre, Hopitaux Universitaires Paris-Sud, Department of Neuroradiology, Le Kremlin Bicetre (France); Naggara, Olivier [Hopital Universitaire Necker Enfants Malades, Department of Paediatric Radiology, Paris (France); Centre Hospitalier Sainte-Anne, Universite Paris Descartes Sorbonne Paris Cite, Centre de Psychiatrie et Neurosciences, INSERM S894, DHU Neurovasculaire, Paris (France); Centre Hospitalier Sainte-Anne, Department of Neuroradiology, Universite Paris Descartes, Sorbonne Paris Cite, INSERM UMR894, Paris (France)

    2017-09-15

    To describe, in a multicentric paediatric population, reference levels (RLs) for three interventional radiological procedures. From January 2012 to March 2015, children scheduled for an interventional radiological procedure in two French tertiary centres were retrospectively included and divided into four groups according to age: children younger than 2 years (A1), aged 2-7 years (A5), 8-12 years (A10) and 13-18 years (A15). Three procedures were identified: cerebral digital subtraction angiography (DSA), brain arteriovenous malformation (bAVM) embolization, and head and neck superficial vascular malformation (SVM) percutaneous sclerotherapy. Demographic and dosimetric data, including dose area product (DAP), were collected. 550 procedures were included. For DSA (162 procedures), the proposed RL values in DAP were 4, 18, 12 and 32 Gy.cm{sup 2} in groups A1, A5, A10 and A15, respectively. For bAVM embolization (258 procedures), values were 33, 70, 105 and 88 Gy.cm{sup 2} in groups A1, A5, A10 and A15, respectively. For SVM sclerotherapy (130 procedures), values were 350, 790, 490 and 248 mGy.cm{sup 2} in groups A1, A5, A10 and A15, respectively. Consecutive data were available to permit a proposal of reference levels for three major paediatric interventional radiology procedures. (orig.)

  9. Active pixel as dosimetric device for interventional radiology

    International Nuclear Information System (INIS)

    Servoli, L.; Baldaccini, F.; Biasini, M.; Checcucci, B.; Chiocchini, S.; Cicioni, R.; Conti, E.; Di Lorenzo, R.; Dipilato, A.C.; Esposito, A.; Fanó, L.; Paolucci, M.; Passeri, D.; Pentiricci, A.

    2013-01-01

    Interventional Radiology (IR) is a subspecialty of radiology comprehensive of all minimally invasive diagnostic and therapeutic procedures performed using radiological devices to obtain image guidance. The interventional procedures are potentially harmful for interventional radiologists and medical staff due to the X-ray diffusion by the patient's body. The characteristic energy range of the diffused photons spans few tens of keV. In this work we will present a proposal for a new X-ray sensing element in the energy range of interest for IR procedures. The sensing element will then be assembled in a dosimeter prototype, capable of real-time measurement, packaged in a small form-factor, with wireless communication and no external power supply to be used for individual operators dosimetry for IR procedures. For the sensor, which is the heart of the system, we considered three different Active Pixel Sensors (APS). They have shown a good capability as single X-ray photon detectors, up to several tens keV photon energy. Two dosimetric quantities have been considered, the number of detected photons and the measured energy deposition. Both observables have a linear dependence with the dose, as measured by commercial dosimeters. The uncertainties in the measurement are dominated by statistic and can be pushed at ∼5% for all the sensors under test

  10. Practical aspects of radiation protection in interventional radiology

    International Nuclear Information System (INIS)

    Faulkner, K.; Vano, E.; Ortiz, P.; Ruiz, R.

    2000-01-01

    The rise in the frequency of interventional procedures over recent years is due to the significant benefits of interventional radiology in which the patient may often be treated as an out-patient for clinical conditions, which would have previously meant that the patient would need surgery, i.e., a more traumatic and expensive treatment. Patients and the public demand greater access to interventional radiology for the these reasons. In some circumstances, for example in neuroradiology the aneurysm may be inoperable surgically and interventional radiology is the only method of treatment. The growth in interventional radiology therefore reflects an drive towards better, safer and more cost effective medicine. Certain types of interventional radiology procedures are quite complicated and may involve the use of extended fluoroscopy times and the use of high dose rates. In some cases reappearance of the original disease may lead to repeated interventions. This combination together with a lack of quality control in x-ray systems, has led deterministic effects in the skin of patients ranging from transient erythema to necrosis. In a few cases, staff doses reached the levels of deterministic effects, such as dot-like sub-capsular opacities (cataracts) and small dot-like paranuclear opacities and discrete posterior sub-capsular condensations in both eyes. A close review of the reported cases reveals that the working conditions were extreme, mainly: a) very short distance from x-ray focus to the patient, collimator in direct contact with the skin, b) use of high dose rate mode for a time much longer than necessary, c) fixed projection exposing the same area of skin during the entire procedure and d) malfunction of automatic exposure control systems. From these lessons, measure for preventing deterministic effects are straightforward: a) placing the x-ray tube at a distance of 50 cm or more from the skin whenever possible, b) placing the image intensifier as close as possible

  11. Action research regarding the optimisation of radiological protection for nurses during vascular interventional radiology

    International Nuclear Information System (INIS)

    Mori, Hiroshige

    2015-01-01

    The optimisation and decision-making processes for radiological protection have been broadened by the introduction of re-examination or feedback after introducing protective measures. In this study, action research was used to reduce the occupational exposure of vascular interventional radiology (IR) nurses. Four radiological protection improvement measures were continuously performed in cooperation with the researchers, nurses and stakeholders, and the nurses’ annual effective doses were compared before and after the improvements. First, the dosimetry equipment was changed from one electronic personal dosimeter (EPD) to two silver-activated phosphate glass dosimeters (PGDs). Second, the nurses were educated regarding maintaining a safe distance from the sources of scattered and leakage radiation. Third, portable radiation shielding screens were placed in the IR rooms. Fourth, the x-ray units’ pulse rates were reduced by half. On changing the dosimetry method, the two PGDs recorded a 4.4 fold greater dose than the single EPD. Educating nurses regarding radiological protection and reducing the pulse rates by half decreased their effective doses to one-third and two-fifths of the baseline dose, respectively. No significant difference in their doses was detected after the placement of the shielding screens. Therefore, the action research effectively decreased the occupational doses of the vascular IR nurses. (practical matter)

  12. Action research regarding the optimisation of radiological protection for nurses during vascular interventional radiology.

    Science.gov (United States)

    Mori, Hiroshige

    2015-06-01

    The optimisation and decision-making processes for radiological protection have been broadened by the introduction of re-examination or feedback after introducing protective measures. In this study, action research was used to reduce the occupational exposure of vascular interventional radiology (IR) nurses. Four radiological protection improvement measures were continuously performed in cooperation with the researchers, nurses and stakeholders, and the nurses' annual effective doses were compared before and after the improvements. First, the dosimetry equipment was changed from one electronic personal dosimeter (EPD) to two silver-activated phosphate glass dosimeters (PGDs). Second, the nurses were educated regarding maintaining a safe distance from the sources of scattered and leakage radiation. Third, portable radiation shielding screens were placed in the IR rooms. Fourth, the x-ray units' pulse rates were reduced by half. On changing the dosimetry method, the two PGDs recorded a 4.4 fold greater dose than the single EPD. Educating nurses regarding radiological protection and reducing the pulse rates by half decreased their effective doses to one-third and two-fifths of the baseline dose, respectively. No significant difference in their doses was detected after the placement of the shielding screens. Therefore, the action research effectively decreased the occupational doses of the vascular IR nurses.

  13. Optimization of Patient Doses in Interventional Radiology and Cardiology

    International Nuclear Information System (INIS)

    Nikodemova, D.; Boehm, K.

    2011-01-01

    Interventional radiology and cardiology belongs to the imaging modalities connected with significantly higher radiation exposure of patients and medical staff, compared to the exposure during other diagnostic procedures. The objective of this presentation is to promote typical technical parameters and parameters related to the radiation policy, used during the most frequent endovascular and cardiology procedures, as well as the monitoring of the exposure of patients. The presented study reports the results of collecting the data of monitoring doses received by 318 patients undergoing interventional examinations in 3 various departments of the Slovak National Institute of Cardiology and Vascular Diseases. There were 9 different endovascular and cardiology procedures reviewed. The reported patient's radiation exposures were established by using the KAP values, directly shown on the display of the X-ray equipment. From the measured KAP values the entrance surface doses were calculated. Equivalent doses have been measured on hands, legs and other parts of medical staff body, by using electronic dosimeters or thermoluminescent dosimeters. The presented results have covered a wide range of the measured fluoroscopy time values, different number of acquisitions used in various interventional procedures, various cumulated KAP values and also a wide range of the cumulated entrance surface doses. The occupational doses of the operators, followed during dose measurements on their left hands, covered the range from 0.1 μSv to 1513 μSv for one examination performed. The important contribution of the presented results to the radiation protection policy in the Slovak Republic is the mapping of the current situation of the radiation exposure of patients undergoing the chosen interventional examinations and the professional radiation exposure level of interventional operators, providing the most significant interventional procedures in the Slovak interventional hospitals. The

  14. Relevant radiological anatomy of the pig as a training model in interventional radiology

    International Nuclear Information System (INIS)

    Dondelinger, R.F.; Ghysels, M.P.; Brisbois, D.; Donkers, E.; Snaps, F.R.; Saunders, J.; Deviere, J.

    1998-01-01

    The use of swine for teaching purposes in medicine and surgery has largely increased in recent years. Detailed knowledge of the porcine anatomy and physiology is a prerequisite for proper use of pigs as a teaching or an experimental model in interventional radiology. A systematic study of the radiological anatomy was undertaken in more than 100 female pigs aged 6-8 weeks. All studies were performed under general anesthesia in a single session. Animals were sacrificed at the end of the study. Selective angiographies were systematically obtained in all anatomical territories. In other animals CT and MRI examinations were performed and were correlated to anatomical sections and acrylic casts of the vascular structures. Endoscopical examinations of the upper gastrointestinal tract, including retrograde opacification of the biliary and pancreatic ducts, were added in selected animals. The main angiographic aspects of the brain, head and neck, thorax, abdomen, and pelvis were recorded. Similarities and differences in comparison with human anatomy are stressed. Potential applications in interventional radiology are indicated. (orig.)

  15. Fatal mediastinal biopsy: How interventional radiology saves the day

    Directory of Open Access Journals (Sweden)

    Y Yaacob

    2012-01-01

    Full Text Available This was a case of a 35-year-old man with mediastinal mass requiring computed tomography (CT-guided biopsy for tissue diagnosis. A posterior approach with an 18-gauge biopsy needle was used to obtain tissue sample. Post biopsy, patient condition deteriorated and multiphase CT study detected active bleeding in arterial phase at the biopsy site with massive hemothorax. Subsequent angiography showed arterial bleeder arising from the apical branch of the right pulmonary artery. Selective endovascular embolization with NBCA (n-Butyl cyanoacrylate was successful. Patient survived the complication. The case highlighted a rare complication in a common radiology procedure and the value of the interventional radiology unit in avoiding a fatal outcome.

  16. Surgical and interventional radiological management of adult epistaxis: systematic review.

    Science.gov (United States)

    Swords, C; Patel, A; Smith, M E; Williams, R J; Kuhn, I; Hopkins, C

    2017-12-01

    There is variation regarding the use of surgery and interventional radiological techniques in the management of epistaxis. This review evaluates the effectiveness of surgical artery ligation compared to direct treatments (nasal packing, cautery), and that of embolisation compared to direct treatments and surgery. A systematic review of the literature was performed using a standardised published methodology and custom database search strategy. Thirty-seven studies were identified relating to surgery, and 34 articles relating to interventional radiology. For patients with refractory epistaxis, endoscopic sphenopalatine artery ligation had the most favourable adverse effect profile and success rate compared to other forms of surgical artery ligation. Endoscopic sphenopalatine artery ligation and embolisation had similar success rates (73-100 per cent and 75-92 per cent, respectively), although embolisation was associated with more serious adverse effects (risk of stroke, 1.1-1.5 per cent). No articles directly compared the two techniques. Trials comparing endoscopic sphenopalatine artery ligation to embolisation are required to better evaluate the clinical and economic effects of intervention in epistaxis.

  17. Radiation dose to physicians’ eye lens during interventional radiology

    International Nuclear Information System (INIS)

    Bahruddin, N A; Hashim, S; Karim, M K A; Ang, W C; Salehhon, N; Sabarudin, A; Bakar, K A

    2016-01-01

    The demand of interventional radiology has increased, leading to significant risk of radiation where eye lens dose assessment becomes a major concern. In this study, we investigate physicians' eye lens doses during interventional procedures. Measurement were made using TLD-100 (LiF: Mg, Ti) dosimeters and was recorded in equivalent dose at a depth of 0.07 mm, Hp(0.07). Annual Hp(0.07) and annual effective dose were estimated using workload estimation for a year and Von Boetticher algorithm. Our results showed the mean Hp(0.07) dose of 0.33 mSv and 0.20 mSv for left and right eye lens respectively. The highest estimated annual eye lens dose was 29.33 mSv per year, recorded on left eye lens during fistulogram procedure. Five physicians had exceeded 20 mSv dose limit as recommended by international commission of radiological protection (ICRP). It is suggested that frequent training and education on occupational radiation exposure are necessary to increase knowledge and awareness of the physicians’ thus reducing dose during the interventional procedure. (paper)

  18. Patient dose in interventional radiology: a multicentre study of the most frequent procedures in France

    International Nuclear Information System (INIS)

    Etard, Cecile; Bigand, Emeline; Salvat, Cecile; Vidal, Vincent; Beregi, Jean Paul; Hornbeck, Amaury; Greffier, Joel

    2017-01-01

    A national retrospective survey on patient doses was performed by the French Society of Medical physicists to assess reference levels (RLs) in interventional radiology as required by the European Directive 2013/59/Euratom. Fifteen interventional procedures in neuroradiology, vascular radiology and osteoarticular procedures were analysed. Kerma area product (KAP), fluoroscopy time (FT), reference air kerma and number of images were recorded for 10 to 30 patients per procedure. RLs were calculated as the 3rd quartiles of the distributions. Results on 4600 procedures from 36 departments confirmed the large variability in patient dose for the same procedure. RLs were proposed for the four dosimetric estimators and the 15 procedures. RLs in terms of KAP and FT were 90 Gm.cm 2 and 11 mins for cerebral angiography, 35 Gy.cm 2 and 16 mins for biliary drainage, 75 Gy.cm 2 and 6 mins for lower limbs arteriography and 70 Gy.cm 2 and 11 mins for vertebroplasty. For these four procedures, RLs were defined according to the complexity of the procedure. For all the procedures, the results were lower than most of those already published. This study reports RLs in interventional radiology based on a national survey. Continual evolution of practices and technologies requires regular updates of RLs. (orig.)

  19. Patient dose in interventional radiology: a multicentre study of the most frequent procedures in France

    Energy Technology Data Exchange (ETDEWEB)

    Etard, Cecile [Institut de Radioprotection et de Surete Nucleaire, Fontenay-aux-Roses (France); French Society of Medical Physicists (SFPM), Paris (France); Bigand, Emeline [French Society of Medical Physicists (SFPM), Paris (France); La Timone University Hospital, Department of Radiology, Marseille Cedex (France); Salvat, Cecile [French Society of Medical Physicists (SFPM), Paris (France); Lariboisiere Hospital, Department of Medical Physics and Radiation Protection, Paris (France); Vidal, Vincent [La Timone University Hospital, Department of Radiology, Marseille Cedex (France); French Society of Radiology (SFR) - Interventional Radiology Federation (FRI), Paris (France); Beregi, Jean Paul [French Society of Radiology (SFR) - Interventional Radiology Federation (FRI), Paris (France); Nimes University Hospital, Medical Imaging Group Nimes, Department of Radiology, Nimes (France); Hornbeck, Amaury [French Society of Medical Physicists (SFPM), Paris (France); Trousseau University Hospital, Department of Pediatric Radiology, Paris (France); Greffier, Joel [French Society of Medical Physicists (SFPM), Paris (France); Nimes University Hospital, Medical Imaging Group Nimes, Department of Radiology, Nimes (France)

    2017-10-15

    A national retrospective survey on patient doses was performed by the French Society of Medical physicists to assess reference levels (RLs) in interventional radiology as required by the European Directive 2013/59/Euratom. Fifteen interventional procedures in neuroradiology, vascular radiology and osteoarticular procedures were analysed. Kerma area product (KAP), fluoroscopy time (FT), reference air kerma and number of images were recorded for 10 to 30 patients per procedure. RLs were calculated as the 3rd quartiles of the distributions. Results on 4600 procedures from 36 departments confirmed the large variability in patient dose for the same procedure. RLs were proposed for the four dosimetric estimators and the 15 procedures. RLs in terms of KAP and FT were 90 Gm.cm{sup 2} and 11 mins for cerebral angiography, 35 Gy.cm{sup 2} and 16 mins for biliary drainage, 75 Gy.cm{sup 2} and 6 mins for lower limbs arteriography and 70 Gy.cm{sup 2} and 11 mins for vertebroplasty. For these four procedures, RLs were defined according to the complexity of the procedure. For all the procedures, the results were lower than most of those already published. This study reports RLs in interventional radiology based on a national survey. Continual evolution of practices and technologies requires regular updates of RLs. (orig.)

  20. Dosimetry in diagnostic and interventional radiology - ICRU and IAEA activities

    International Nuclear Information System (INIS)

    Zoetelief, J.; Pernicka, F.

    2002-01-01

    Full text: Main aims of patient dosimetry in diagnostic and interventional radiology are to determine dosimetric quantities for establishment and use of guidance levels or diagnostic reference levels and for comparative risk assessment. In the latter case, the average doses to the organs and tissues at risk should be assessed. Only limited number of measurements serve to potential risk assessment of the examination and intervention. An additional objective of dosimetry in diagnostic and interventional radiology is the assessment of equipment performance. Ionization chambers are the main devices used for dosimetric measurements in diagnostic and interventional radiology but other devices with special properties are also used. Important examples are thermoluminescent detectors (TLDs) and semiconductor detectors. For most dosemeters used in x-ray medical imaging the desired quantity for calibration of dosemeters is the air kerma free-in-air. Calibrations should be made at appropriate radiation qualities, for which recommendations are available for conventional radiology. It is important that the calibrations are traceable to the international measurement system. The uncertainty of dose measurements in medical x-ray imaging, for comparative risk assessments as well as for quality assurance, should not exceed about 7 per cent in terms of the expanded uncertainty using a coverage factor of 2. The dosimetric approaches in general diagnostic radiology, mammography and computed tomography are slightly different, resulting in application specific dosimetric quantities. Consequently, different protocols for patient dosimetry are available for these different purposes. In general diagnostic radiology, various quantities and terminologies have been used for the specification of dose on the central beam axis at the point where the x-ray beam enters the patient (or a phantom representing the patient). These include the exposure at skin entrance (ESE), the input radiation exposure

  1. DBMS for index book for the Journal of the Korean Radiological Society

    International Nuclear Information System (INIS)

    Choi, Hyung Sik; Suh, Jung Ho

    1990-01-01

    Medical research and writing for publication are based on a collection and arrangement of related literatures. The authors developed DBMS (Database Management System) for index book of the Journal of the Korean Radiological Society. The computer program was generated in R base system V language (Microrim) using the IBM compatible AT. Two tables had fundamental data with about 1.4 megabytes. Four tables were derived from them to produce seven printing files, the sum memory of which was about 1.5 megabytes. Many radiologists may utilize the database to pursue the information of these published in the Journal of the Korean Radiological Society. This DBMS is useful publishing the index book and can be applied by other medical societies

  2. Estimate of dose in interventional radiology: a study of cases

    International Nuclear Information System (INIS)

    Pinto, N.; Braz, D.; Lopes, R.; Vallim, M.; Padilha, L.; Azevedo, F.; Barroso, R.

    2006-01-01

    Values of absorbed dose taken by patients and professionals involved in interventional radiology can be significant mainly for the reason of these proceedings taking long time of fluoroscopy There are many methods to estimate and reduce doses of radiation in the interventional radiology, particularly because the fluoroscopy is responsible for the high dose contribution in the patient and in the professional. The aim of this work is the thermoluminescent dosimetry to estimate the dose values of the extremities of the professionals involved in the interventional radiology and the product dose-area was investigated using a Diamentor. This evaluation is particularly useful for proceedings that interest multiple parts of the organism. In this study were used thermoluminescent dosimeters (LiF:Mg, Ti - Harshaw) to estimate the dose values of the extremities of the professionals and to calibrate them. They were irradiated with X rays at 50 mGy, in Kerma in air and read in the reader Harshaw-5500. The product dose-area (D.A.P.) were obtained through the Diamentor (M2-P.T.W.) calibrated in Cgy.cm 2 fixed in the exit of the X-rays tube. The patients of these study were divided in three groups: individuals submitted to proceedings of embolization, individuals submitted to cerebral and renal arteriography and individuals submitted to proceedings of Transjungular Inthahepatic Porta Systemic Stent Shunt (TIPS). The texts were always carried out by the same group: radiologist doctor), an auxiliary doctor and a nursing auxiliary. The section of interventional radiology has an Angiostar Plus Siemens equipment type arc C, in which there is trifocal Megalix X-ray tube and a intensifier of image from Sirecon 40-4 HDR/33 HDR. In this work the dose estimated values were 137.25 mSv/year for the doctors, 40.27 mSv/year for the nursing and 51.95 mSv/year for the auxiliary doctor and they are below the rule, but in this study it was not taken in consideration the emergency texts as they were

  3. A mobile interventional radiology unit: innovation and social responsibility

    Directory of Open Access Journals (Sweden)

    Nestor Hugo Kisilevzky

    2010-03-01

    Full Text Available Objective: To present the preliminary results of a feasibility study performed to determine the value of a mobile interventional radiology unit used to promote a uterine embolization program for low-income patients. Methods: Forty patients with symptomatic fibroids were treated with uterine embolization. Procedures were performed in four public hospitals in the metropolitan area of Sao Paulo. This study was approved by the institutional research ethics committee and all patients signed an informed consent form. A mobile interventional radiology unit, named ANGIOMOVEL, was conceived and implemented utilizing a small truck to transport one mobile C arm, one radiological table, protection aprons and a small trolley containing specific supplies for the procedures. The ANGIOMOVEL team consisted of two interventional radiologists, one nurse, one driver and one assistant. The unit visited one hospital per week during a three-month period. Patient inclusion was contingent upon several factors, such as evaluation by a trained gynecologist, completion of a pelvic MRI, routine serological laboratory tests and completion of a quality of life questionnaire (QOL. Outcomes, MRI and QOL were evaluated. Data obtained after 12 weeks were collected and analyzed. Results: Technical success was achieved in 100% of cases, with a mean procedure time of 43 minutes and a mean fluoroscopic time of 24 minutes. The mean hospital stay was 1.07 day and the mean time for recovery and return to normal activities was 10 days. After 12 weeks, 36 (90% of patients noticed improvement of their symptoms and 4 (10% did not notice any improvement. Thirty-eight patients (95% were satisfied or very satisfied and 39 (97.5% said they would recommend the procedure. Pre- and post-procedure magnetic resonance imaging analysis showed that complete fibroid ischemia was achieved in 92.5% of cases with a mean uterine volume reduction of 38% and a mean fibroid volume reduction of 52%. Health

  4. Advancing radiology through informed leadership: summary of the proceedings of the Seventh Biannual Symposium of the International Society for Strategic Studies in Radiology (IS{sup 3}R), 23-25 August 2007

    Energy Technology Data Exchange (ETDEWEB)

    Muellner, Ada; Hricak, Hedvig [Memorial Sloan-Kettering Cancer Center, Department of Radiology, New York, NY (United States); Glazer, Gary M. [Stanford University School of Medicine, Department of Radiology, Palo Alto, CA (United States); Reiser, Maximilian F. [Ludwig Maximilian University, Department of Clinical Radiology, Munich (Germany); Bradley, William G. [UCSD Medical Center, Department of Radiology, San Diego, CA (United States); Krestin, Gabriel P. [Erasmus University Medical Center, Department of Radiology, Rotterdam (Netherlands); Thrall, James H. [Massachusetts General Hospital, Boston, MA (United States)

    2009-08-15

    The International Society for Strategic Studies in Radiology (IS{sup 3}R) brings together thought leaders from academia and industry from around the world to share ideas, points of view and new knowledge. This article summarizes the main concepts presented at the 2007 IS{sup 3}R symposium, providing a window onto trends shaping the future of radiology. Topics addressed include new opportunities and challenges in the field of interventional radiology; emerging techniques for evaluating and improving quality and safety in radiology; and factors impeding progress in molecular imaging and nanotechnology and possible ways to overcome them. Regulatory hurdles to technical innovation and drug development are also discussed more broadly, along with proposals for addressing regulators' concerns and streamlining the regulatory process. (orig.)

  5. Advancing radiology through informed leadership: summary of the proceedings of the Seventh Biannual Symposium of the International Society for Strategic Studies in Radiology (IS3R), 23-25 August 2007

    International Nuclear Information System (INIS)

    Muellner, Ada; Hricak, Hedvig; Glazer, Gary M.; Reiser, Maximilian F.; Bradley, William G.; Krestin, Gabriel P.; Thrall, James H.

    2009-01-01

    The International Society for Strategic Studies in Radiology (IS 3 R) brings together thought leaders from academia and industry from around the world to share ideas, points of view and new knowledge. This article summarizes the main concepts presented at the 2007 IS 3 R symposium, providing a window onto trends shaping the future of radiology. Topics addressed include new opportunities and challenges in the field of interventional radiology; emerging techniques for evaluating and improving quality and safety in radiology; and factors impeding progress in molecular imaging and nanotechnology and possible ways to overcome them. Regulatory hurdles to technical innovation and drug development are also discussed more broadly, along with proposals for addressing regulators' concerns and streamlining the regulatory process. (orig.)

  6. Interventional radiological therapy of benign low back pain syndromes

    International Nuclear Information System (INIS)

    Huegli, R.W.; Jacob, A.L.; Steinbrich, W.

    2007-01-01

    Spinal affections belong to the most widespread sources of back pain. Beside medical history and clinical examination, the radiological investigation plays an important rote in the clinical workup especially with the modern Cross sectional imaging methods such as computed and magnetic resonance tomography. After exclusion of a malignant disease usually a conservative therapeutic approach is the first line treatment option. If the conservative treatment approach falls a minimalinvasive image guided diagnostic or therapeutic infiltration may be considered. Thereby the interventional radiologist should be a member of the team which decides the clinical strategy. This article describes epidemiology and pathophysiology, common pre-interventional diagnostic strategies, drugs, indications, possible complications and the impact of diagnostic and therapeutic minimally invasive image guided techniques in low back pain. In this context facet joint blockade, periradicular and peridural therapy as well as sacroiliac joint blockades are discussed

  7. Is hair loss a reality in neuro-interventional radiology?

    LENUS (Irish Health Repository)

    Gavagan, L

    2012-02-01

    Reports in the literature of radiation-induced hair loss are becoming increasingly common. This work describes a retrospective dose study of patients (n = 958) undergoing diagnostic (primarily cerebral angiograms) and therapeutic (primarily cerebral embolisation) procedures in a neuro-interventional suite. A comparison of patient doses as dose area product (DAP) readings from a single-plane image intensifier system (mean DAP value of 8772 cGy cm(2)) were compared with patient doses from a flat panel biplane system (mean DAP value of 7855 cGy cm(2)). Over 80 % of patients requiring neuro-interventional procedures were found to undergo two procedures or more. An estimated 7 % of therapeutic procedures were found to reach the International Commission on Radiological Protection threshold for temporary epilation.

  8. Interventional radiological management of complications in renal transplantation

    International Nuclear Information System (INIS)

    Popovic, P.; Surlan, M.

    2004-01-01

    Background. The most frequent radiologically evaluated and treated complications in renal transplantation are perirenal and renal fluid collection and abnormalities of the vasculature and collecting system. Renal and perirenal fluid collection is usually treated successfully with percutaneous drainage. Doppler US, MRA and digital subtraction angiography (DSA) are most important in the evaluation of vascular complications of renal transplantation and management of the endovascular therapy. Conclusions. Stenosis, the most common vascular complication, occurs in 1% to 12% of transplanted renal arteries and represents a potentially curable cause of hypertension following transplantation and/or renal dysfunction. Treatment with percutaneous transluminal renal angioplasty (PTRA) or PTRA with stent has been technically successful in 82 to 92% of the cases, and graft salvage rate has ranged from 80-100%. Complications such as arterial and vein thrombosis are uncommon. Intrarenal A/V fistulas and pseudoaneurysms are occasionally seen after biopsy, the treatment requires superselective embolisation. Urologic complications are relatively uncommon; they consist predominantly of the urinary leaks and urethral obstruction. Interventional treatment consists of percutaneous nephrostomy, balloon dilation, insertion of the double J stents, metallic stent placement and external drainage of the extrarenal collections. The aim of the paper is to review the role of interventional radiology in the management of complications in renal transplantation. (author)

  9. Nordic Intervention Criteria for Nuclear or Radiological Emergencies. Recommendations

    International Nuclear Information System (INIS)

    2001-01-01

    Recommendations of the Nordic radiation protection authorities on application of international criteria in a nuclear or radiological emergency in the Nordic countries are presented. The recommendations are focused on the generic intervention levels for various actions to protect members of the public and workers undertaking an intervention. Prompt precautionary actions for the near zones around the Finnish and Swedish nuclear power plants are defined. These actions are; preventive sheltering, iodine prophylaxis and precautionary evacuation. No special intervention levels for these precautionary actions have been set, because implementation of these actions is always based on very limited information about an accident. These actions can be initiated on a mere indication of possible release of radioactivity. The indication might be an alarm or any other predefined signal. Intervention level for actions to protect members of the public are based on the concept of avertable dose. They are in line with the international recommendations. With regard to iodine prophylaxis, a national approach is recommended due to different national policies of advance distribution of iodine tablets. The longer term intervention actions, temporary relocation and permanent resettlement, will be based not only on radiation protection factors but also on wider judgement of the overall situation. For that reason, no generic intervention levels, in terms of radiation dose, are recommended. The intervention levels for various protective actions are in the following table.Table 1. Generic intervention levels for actions to protect members of the public.Protective action. Generic intervention level as an avertable dose. Sheltering: 10 mSv within two days (effective dose); Iodine prophylaxis: National recommendations; Evacuation: 50 mSv within one week (effective dose); Temporary relocation: No predetermined intervention level; Permanent resettlement: No predetermined intervention level. Workers

  10. Patterns, incidence and predictive factors for pain after interventional radiology

    International Nuclear Information System (INIS)

    England, A.; Tam, C.L.; Thacker, D.E.; Walker, A.L.; Parkinson, A.S.; DeMello, W.; Bradley, A.J.; Tuck, J.S.; Laasch, H.-U.; Butterfield, J.S.; Ashleigh, R.J.; England, R.E.; Martin, D.F.

    2005-01-01

    AIM: To evaluate prospectively the pattern, severity and predictive factors of pain after interventional radiological procedures. MATERIALS AND METHODS: All patients undergoing non-arterial radiological interventional procedures were assessed using a visual-analogue scale (VAS) for pain before and at regular intervals for 24 h after their procedure. RESULTS: One hundred and fifty patients (87 men, mean age 62 years, range 18-92 years) were entered into the study. Significant increases in VAS score occurred 8 h after percutaneous biliary procedures (+47.7 mm, SD 14.9 mm; p=0.001), 6 h after central venous access and gastrostomy insertion (+23.7 mm, SD 19.5 mm; p=0.001 and +28.4 mm, SD 9.7 mm; p=0.007, respectively) and 4 h after oesophageal stenting (+27.8 mm, SD 20.2 mm, p=0.001). Non-significant increases in VAS pain score were observed after duodenal and colonic stenting (duodenal: +5.13 mm, SD 7.47 mm; p=0.055, colonic: +23.3 mm, SD 13.10 mm, p=0.250) at a mean of 5 h (range 4-6 h). Patients reported a significant reduction in pain score for nephrostomy insertion (-28.4 mm, SD 7.11 mm, p=0.001). Post-procedural analgesia was required in 99 patients (69.2%), 40 (28.0%) requiring opiates. Maximum post-procedural VAS pain score was significantly higher in patients who had no pre-procedural analgesia (p=0.003). CONCLUSION: Post-procedural pain is common and the pattern and severity of pain between procedures is variable. Pain control after interventional procedures is often inadequate, and improvements in pain management are required

  11. Radiation protection in interventional radiology; Strahlenschutz in der interventionellen Radiologie

    Energy Technology Data Exchange (ETDEWEB)

    Adamus, R.; Loose, R.; Galster, M. [Klinikum Nuernberg Nord, Institut fuer Diagnostische und Interventionelle Radiologie, Nuernberg (Germany); Wucherer, M. [Klinikum Nuernberg Nord, Institut fuer Medizinische Physik, Nuernberg (Germany); Uder, M. [Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Institut fuer Radiologie, Erlangen (Germany)

    2016-03-15

    The application of ionizing radiation in medicine seems to be a safe procedure for patients as well as for occupational exposition to personnel. The developments in interventional radiology with fluoroscopy and dose-intensive interventions require intensified radiation protection. It is recommended that all available tools should be used for this purpose. Besides the options for instruments, x-ray protection at the intervention table must be intensively practiced with lead aprons and mounted lead glass. A special focus on eye protection to prevent cataracts is also recommended. The development of cataracts might no longer be deterministic, as confirmed by new data; therefore, the International Commission on Radiological Protection (ICRP) has lowered the threshold dose value for eyes from 150 mSv/year to 20 mSv/year. Measurements show that the new values can be achieved by applying all X-ray protection measures plus lead-containing eyeglasses. (orig.) [German] Die Anwendung ionisierender Strahlung in der Medizin scheint sowohl fuer Patienten als auch fuer beruflich exponierte Personen sicher zu sein. Die interventionellen Entwicklungen der letzten Jahre mit sehr durchleuchtungs- und dosisintensiven Eingriffen erfordern allerdings eine Intensivierung des Strahlenschutzes. Es empfiehlt sich, die zur Verfuegung stehenden Moeglichkeiten auszuschoepfen. Neben den Geraeteoptionen muss der Strahlenschutz am Eingriffstisch durch Bleilamellenaufstecker und montiertes Bleiglas intensiv betrieben werden. Besonderen Fokus muss auf den Schutz der Augen zur Kataraktvermeidung gelegt werden. Da dessen Ausbildung nach neuen Erkenntnissen moeglicherweise nicht mehr deterministisch zu sehen ist, hat die Internationale Strahlenschutzkommission (IRCP) den Grenzwert von 150 auf 20 Mikrosievert (mSv)/Jahr erniedrigt. Messungen belegen, dass unter Einhaltung aller Strahlenschutzmassnahmen plus Bleiglasbrille dieser einzuhalten ist. (orig.)

  12. Opportunity of interventional radiology: advantages and application of interventional technique in biological target therapy

    International Nuclear Information System (INIS)

    Teng Gaojun; Lu Qin

    2007-01-01

    Interventional techniques not only provide opportunity of treatment for many diseases, but also alter the traditional therapeutic pattern. With the new century of wide application of biological therapies, interventional technique also shows extensive roles. The current biological therapy, including gene therapy, cell transplantation therapy, immunobiologic molecule therapy containing cell factors, tumor antibody or vaccine, recombined proteins, radioactive-particles and targeting materials therapy, can be locally administrated by interventional techniques. The combination of targeting biological therapies and high-targeted interventional technique holds advantages of minimal invasion, accurate delivery, vigorous local effect, and less systemic adverse reactions. Authors believe that the biological therapy may arise a great opportunity for interventional radiology, therefore interventional colleagues should grasp firmly and promptly for the development and extension in this field. (authors)

  13. Organ doses in interventional radiology procedures: Evaluation of software

    International Nuclear Information System (INIS)

    Tort, I.; Ruiz-Cruces, R.; Perez-Martinez, M.; Carrera, F.; Ojeda, C.; Diez de los Rios, A.

    2001-01-01

    Interventional Radiology (IR) procedures require large fluoroscopy times and important number of radiological images, so the levels of radiation to patient are high, which leads us to calculate the organ doses. The objective of this work is to estimate and make a comparison of the results given by the different software that we have to do the calculation of organ doses in complex procedures of IR. To do this, 28 patients have been selected, distributed in the 3 procedures with highest doses. The determination of organ doses and effective doses has been made using the projections utilized and different software based on Monte Carlo Methods: Eff-dose, PCXMC and Diasoft. We have obtained very high dispersion in the average organ dose between the 3 programs. In many cases, it is higher than 25% and in some particular cases, it is greater than 100%. Dispersion obtained in effective doses is not so high, being under 20% in all cases. This shows that a better solution is needed to solve the problem of the organ doses calculation; a more accurate method is necessary that brings us to a trustworthy approach to reality, and, at the moment, that we do not dispose of it. (author)

  14. Reconciling quality and cost: A case study in interventional radiology

    International Nuclear Information System (INIS)

    Zhang, Li; Mahnken, Andreas; Domroese, Sascha

    2015-01-01

    To provide a method to calculate delay cost and examine the relationship between quality and total cost. The total cost including capacity, supply and delay cost for running an interventional radiology suite was calculated. The capacity cost, consisting of labour, lease and overhead costs, was derived based on expenses per unit time. The supply cost was calculated according to actual procedural material use. The delay cost and marginal delay cost derived from queueing models was calculated based on waiting times of inpatients for their procedures. Quality improvement increased patient safety and maintained the outcome. The average daily delay costs were reduced from 1275 EUR to 294 EUR, and marginal delay costs from approximately 2000 EUR to 500 EUR, respectively. The one-time annual cost saved from the transfer of surgical to radiological procedures was approximately 130,500 EUR. The yearly delay cost saved was approximately 150,000 EUR. With increased revenue of 10,000 EUR in project phase 2, the yearly total cost saved was approximately 290,000 EUR. Optimal daily capacity of 4.2 procedures was determined. An approach for calculating delay cost toward optimal capacity allocation was presented. An overall quality improvement was achieved at reduced costs. (orig.)

  15. Interventional radiology (IVR). The history, status quo, and prospect

    International Nuclear Information System (INIS)

    Furui, Shigeru; Kohtake, Hiroshi

    2007-01-01

    Interventional radiology (IVR) is a clinical practice that therapy and/or biopsy are performed under guidance by images obtainable by the contrast angiography, ultrasonography, CT, MRI and so on. This paper describes its history, present status and future prospect. Actual operation procedure, recent trend and progress as well are explained in the order of arterial embolization, IVR in hepatic tumors, PTA (percutaneous transluminal angiography) and MS (metallic stent indwelling), MS applied to others than artery, S-G (stent-graft), IVR in portal hypertension, development of IVR devices in Japan, and radiation exposure and its protection in IVR. Many IVR devices have been developed in Japan for as long as these 30 years, a part of which is marketed. Skin exposure in patients is unavoidable in IVR with X-ray and thereby regulations by Food and Drug Administration (FDA) and International Commission of Radiological Protection (ICRP) are introduced for their benefit. Systems for dose estimation in patients and efforts to reduce the dose are mentioned to be important and radiologists themselves should make effort to decrease their own exposure in consideration of the dose limits defined in the law. Problems in Japan are expensiveness of IVR devices, and slow-paced approval of new devices by authority and by health insurance agent. The author recommends doctors to have expert radiologist's advice in IVR. (R.T.)

  16. Reconciling quality and cost: A case study in interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Zhang, Li; Mahnken, Andreas [University Hospital Giessen and Marburg, Philipps University of Marburg, Department of Diagnostic and Interventional Radiology, Baldinger Strasse, Marburg (Germany); Domroese, Sascha [University Hospital Giessen and Marburg, Philipps University of Marburg, Division of Controlling, Baldinger Strasse, Marburg (Germany)

    2015-10-15

    To provide a method to calculate delay cost and examine the relationship between quality and total cost. The total cost including capacity, supply and delay cost for running an interventional radiology suite was calculated. The capacity cost, consisting of labour, lease and overhead costs, was derived based on expenses per unit time. The supply cost was calculated according to actual procedural material use. The delay cost and marginal delay cost derived from queueing models was calculated based on waiting times of inpatients for their procedures. Quality improvement increased patient safety and maintained the outcome. The average daily delay costs were reduced from 1275 EUR to 294 EUR, and marginal delay costs from approximately 2000 EUR to 500 EUR, respectively. The one-time annual cost saved from the transfer of surgical to radiological procedures was approximately 130,500 EUR. The yearly delay cost saved was approximately 150,000 EUR. With increased revenue of 10,000 EUR in project phase 2, the yearly total cost saved was approximately 290,000 EUR. Optimal daily capacity of 4.2 procedures was determined. An approach for calculating delay cost toward optimal capacity allocation was presented. An overall quality improvement was achieved at reduced costs. (orig.)

  17. Competitiveness of the match for interventional radiology and neuroradiology fellowships.

    Science.gov (United States)

    Chen, Jim Y; Agarwal, Vikas; Orons, Philip D

    2014-11-01

    Overall resident interest in certain subspecialties changes with time. We sought to investigate the latest 6-year trend in interventional radiology (IR) and neuroradiology fellowship applications and how it has affected competitiveness in obtaining a position. We analyzed statistics published by the National Resident Matching Program in Results and Data: Specialties Matching Service from 2008 to 2013. From these data, we calculated the positions per IR applicant (PPIRA) and positions per neuroradiology applicant (PPNRA) for each year. The number of positions per applicant is one way to assess specialty competitiveness on a supply-and-demand basis. A lower PPIRA or PPNRA indicates a more competitive year. PPIRA has decreased every year, from 1.71 to the present 0.84, and contributed to 52 applicants being unmatched in 2013, up from 9 in 2008. Accordingly, the number of unfilled positions has decreased from 86 in 2008 to 8 in 2013. PPNRA waxed and waned from 2008 to 2010 but stabilized at around 1.15 thereafter. The number of unfilled positions has never dropped below 46. The number of unmatched applicants was consistently in the teens, except in 2011, when it increased to 23. Interest in IR fellowship has increased significantly over the past 6 years, whereas interest in neuroradiology fellowships has plateaued. IR fellowships have become increasingly competitive, leading to many unmatched residents. Copyright © 2014 American College of Radiology. Published by Elsevier Inc. All rights reserved.

  18. ANS [American Nuclear Society] topical meeting on radiological accidents: Perspectives and emergency planning: Proceedings

    International Nuclear Information System (INIS)

    1987-03-01

    The increasing use of radioactive materials and the increasing public concern about possible accidents involving these materials has led to greater emphasis on preparing for such emergencies. The ANS Topical Meeting on Radiological Accidents - Perspectives and Emergency Planning provided a review of experiences with radiological accidents. The meeting covered some of the most important aspects of radiological accidents. Papers were presented which dealt with radiological accident experience. Technical response to accidents is of primary interest to many in the nuclear community; most of the papers submitted fell into this area. So many of these papers dealt with the use of computers in response that a session on that topic was arranged. A very significant impact of most radiological accidents is the cost, especially the cost of cleanup. There were papers on what is known about costs and associated current topics, such as modification and extension of the Price-Anderson Act. At least as important as the technical response to accidents is how society attempts to deal with them. A session on institutional issues was included to discuss how governments and other organizations respond to and deal with accidents. Medical effects of accidents are of great concern to the public. Invited papers to review the effects of high doses of radiation as well as very low doses were included in that session. Although the nuclear industry has an excellent safety record, this fact often does not agree with the public perception of the industry. The final session explored the public response to and perception of radiological emergencies and accidents. This subject will ultimately determine the future use of radioactive materials in this country

  19. Interventional Radiological Management of Prehepatic Obstruction the Splanchnic Venous System

    International Nuclear Information System (INIS)

    Semiz-Oysu, Aslihan; Keussen, Inger; Cwikiel, Wojciech

    2007-01-01

    Purpose. The purpose of this study was to retrospectively evaluate interventional radiological management of patients with symptomatic portal hypertension secondary to obstruction of splanchnic veins. Material and Methods. Twenty-four patients, 15 males and 9 females, 0.75 to 79 years old (mean, 36.4 years), with symptomatic portal hypertension, secondary to splanchnic venous obstruction, were treated by percutaneous methods. Causes and extent of splanchnic venous obstruction and methods are summarized following a retrospective evaluation. Results. Obstructions were localized to the main portal vein (n = 22), intrahepatic portal veins (n = 8), splenic vein (n = 4), and/or mesenteric veins (n = 4). Interventional treatment of 22 (92%) patients included recanalization (n = 19), pharmacological thrombolysis (n = 1), and mechanical thrombectomy (n = 5). Partial embolization of the spleen was done in five patients, in two of them as the only possible treatment. TIPS placement was necessary in 10 patients, while an existing occluded TIPS was revised in two patients. Transhepatic embolization of varices was performed in one patient, and transfemoral embolization of splenorenal shunt was performed in another. Thirty-day mortality was 13.6% (n=3). During the follow-up, ranging between 2 days and 58 months, revision was necessary in five patients. An immediate improvement of presenting symptoms was achieved in 20 patients (83%). Conclusion. We conclude that interventional procedures can be successfully performed in the majority of patients with obstruction of splanchnic veins, with subsequent improvement of symptoms. Treatment should be customized according to the site and nature of obstruction

  20. Preliminary characterization of dose in personnel of interventional radiology

    International Nuclear Information System (INIS)

    Godolfim, Laura Larre; Anes, Mauricio; Bacelar, Alexandre; Lykawka, Rochelle

    2016-01-01

    Exposure to X-rays of Interventional Radiology professionals (IR) impacts in the high dose rate received by these individuals, and there are reports of biological effects of this professional activity. Therefore, it is fomented greater control over the doses received by these workers. This research intends to characterize the doses received by the professionals during IR procedures. We evaluated the doses of radiologists, anesthesiologists and nursing staff of the Hospital de Clinicas de Porto Alegre, through measures with dosimeters of the OSL type, distributed in up to six regions of the body of these professionals. Until now were accompanied 33 cholangiography procedures and 29 embolization procedures. As a preliminary result, it was possible to identify a wide variation between doses of the professionals of the same function in each procedure. In overview, the dose of the professionals presented in descending order as a radiologist 1> radiologist 2 > anesthetist > nursing. (author)

  1. Interventional radiology in benign diseases of the biliary tract

    International Nuclear Information System (INIS)

    Juliani, G.; Gandini, G.

    1986-01-01

    Most references in the literature on interventional radiology of the biliary tract refer to the treatment of cancer; only occasionally are benign conditions mentioned. An updated list of radiosurgical instruments on the market in Italy is presented. The operating technique from the preparation of the patient to the performance of percutaneous transhepatic cholangiography (PTC), biliary drainage, transhepatic bilioplasty, percutaneous extraction and chemical cholelitholisis of biliary calculi and drainage of biliary collections is then described. A personal series is then presented. It consist of 93 patients in whom one or more of the following conditions were diagnosed: exclusively intrahepatic calculosis (3 cases), calculosis of the common bile duct (23 percutaneous treatments), empyema of the gallbladder (6 cases), suppurating cholangitis (46 cases), sclerotic or inflammatory stenosis (16 cases), biliary collections (14 cases). Results are reported and commented on

  2. Celiac artery stenosis/occlusion treated by interventional radiology

    International Nuclear Information System (INIS)

    Ikeda, Osamu; Tamura, Yoshitaka; Nakasone, Yutaka; Yamashita, Yasuyuki

    2009-01-01

    Severe stenosis/occlusion of the proximal celiac trunk due to median arcuate ligament compression (MALC), arteriosclerosis, pancreatitis, tumor invasion, and celiac axis agenesis has been reported. However, clinically significant ischemic bowel disease attributable to celiac axis stenosis/occlusion appears to be rare because the superior mesenteric artery (SMA) provides for rich collateral circulation. In patients with celiac axis stenosis/occlusion, the most important and frequently encountered collateral vessels from the SMA are the pancreaticoduodenal arcades. Patients with celiac artery stenosis/occlusion are treated by interventional radiology (IR) via dilation of the pancreaticoduodenal arcade. In patients with dilation of the pancreaticoduodenal arcade on SMA angiograms, IR through this artery may be successful. Here we provide several tips on surmounting these difficulties in IR including transcatheter arterial chemoembolization for hepatocellular carcinoma, an implantable port system for hepatic arterial infusion chemotherapy to treat metastatic liver tumors, coil embolization of pancreaticoduodenal artery aneurysms, and arterial stimulation test with venous sampling for insulinomas.

  3. Celiac artery stenosis/occlusion treated by interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Ikeda, Osamu [Department of Diagnostic Radiology, Kumamoto University Graduate School of Medical and Pharmaceutical Sciences, 1-1-1, Honjo Kumamoto 860-8505 (Japan)], E-mail: osamu-3643ik@do9.enjoy.ne.jp; Tamura, Yoshitaka; Nakasone, Yutaka; Yamashita, Yasuyuki [Department of Diagnostic Radiology, Kumamoto University Graduate School of Medical and Pharmaceutical Sciences, 1-1-1, Honjo Kumamoto 860-8505 (Japan)

    2009-08-15

    Severe stenosis/occlusion of the proximal celiac trunk due to median arcuate ligament compression (MALC), arteriosclerosis, pancreatitis, tumor invasion, and celiac axis agenesis has been reported. However, clinically significant ischemic bowel disease attributable to celiac axis stenosis/occlusion appears to be rare because the superior mesenteric artery (SMA) provides for rich collateral circulation. In patients with celiac axis stenosis/occlusion, the most important and frequently encountered collateral vessels from the SMA are the pancreaticoduodenal arcades. Patients with celiac artery stenosis/occlusion are treated by interventional radiology (IR) via dilation of the pancreaticoduodenal arcade. In patients with dilation of the pancreaticoduodenal arcade on SMA angiograms, IR through this artery may be successful. Here we provide several tips on surmounting these difficulties in IR including transcatheter arterial chemoembolization for hepatocellular carcinoma, an implantable port system for hepatic arterial infusion chemotherapy to treat metastatic liver tumors, coil embolization of pancreaticoduodenal artery aneurysms, and arterial stimulation test with venous sampling for insulinomas.

  4. Interventional radiology - Health at work references Nr 130

    International Nuclear Information System (INIS)

    Machacek, C.; Menechal, P.; Megnigbeto, C.; Aubert, B.; Rehel, J.L.; Vidal, J.P.; Biau, A.; Lahaye, T.; Gauron, C.; Barret, C.; Donnarieix, D.; Gambini, D.; Guerin, C.; Marande, J.L.; Marelle, P.; Pierrat, N.

    2012-06-01

    After having noticed that interventional radiology is used in most of medical and surgical specialities, and indicated the factors influencing operator exposure, this sheet indicates the different types of personnel concerned by these practices, the hazards and risks associated with exposure to direct or scattered radiation, the way risk is assessed and exposure levels are determined (definition of controlled and surveyed areas, personnel classification, selection of a dosimetric control method), how a risk management strategy is defined and implemented (risk reduction methods, technical measures for the installation and for personnel, information and training actions, prevention measures, procedures in case of incident or dysfunction), how medical survey is performed for the personnel, in case of pregnancy, and by using a medical file and performing a post-professional follow-up, and by taking on anomalies and incidents. It also describes how risk management is to be assessed, and mentions some other risks

  5. Synopsis of History of American Society for Therapeutic Radiology and Oncology 1958-2008

    International Nuclear Information System (INIS)

    Montana, Gustavo S.

    2008-01-01

    Purpose: To provide a synopsis of the history of the association of radiation oncologists in the United States, currently known as the American Society for Therapeutic Radiology and Oncology (ASTRO), with the occasion of the 50th anniversary of the organization. Methods and Materials: The history of ASTRO, from its beginning as the American Club of Therapeutic Radiologists, is the subject of a book that is to be released with the occasion of the 50th Annual Meeting of the Society in 2008. This book was prepared by members of ASTRO's History Committee and History Working Subcommittee. The source material for the book was the archives of the Society and recorded interviews, conducted by members of the subcommittee, of members of the Society and of the past and present Society staff. The book was also based on previously published material. This article used the source material used for the Society anniversary book. Results: This synopsis of the history of the Society will provide a source of reference for anyone interested in the history of the Society from its foundation in 1958 to the present, 2008

  6. The Society for Radiological Protection: incorporated by Royal Charter. How it was achieved

    International Nuclear Information System (INIS)

    Hunt, John; Scott, John

    2008-01-01

    The Society for Radiological Protection (the Society) began to consider the potential for incorporation by Royal Charter, an important goal for many professional bodies in the UK, in the mid-1980s. Impetus grew during the 1990s; contributing to this in 1998 was the Society's new status as direct UK IRPA associate. In 2002, to emphasise that the Society is active over all sectors of radiation protection, sectorial committees were established, dealing with professional interests in the component sectors. Application for a Charter begins with a Memorandum to Her Majesty the Queen's Privy Council Office (PCO) with details of the Society, its achievements and why grant of a Charter would be in the public interest. The Society prepared a Memorandum and submitted it to the PCO in 2003. In 2004, the application was declined for several reasons, which were then considered. Contacts in Government Departments were briefed on the Society's activities. The Society and the Institute of Radiation Protection (IRP) had been considering amalgamation, and in 2005 the annual general meetings of the Society and IRP agreed to proposals for a merger. A new Memorandum was submitted to the PCO in 2005, and early in 2006 it was accepted. It was then necessary to draft a Charter and a Petition to HM the Queen in Council. One of the opportunities incorporated in the Charter is the provision to award the title 'Chartered Radiation Protection Professional' with the post-nominal letters 'CRadP' to suitable members. Draft documents were presented to the Society's 2007 annual general meeting, and passed through Society's governance procedures. Public consultation by the PCO took place during summer 2007. On 10 October 2007 an order granting a Charter of Incorporation was approved at the Privy Council held by the Queen. The Charter was presented to the Society on 11 December 2007. (author)

  7. 48th Annual meeting of the Society for Pediatric Radiology 2005. Abstracts

    International Nuclear Information System (INIS)

    Anon.

    2005-01-01

    The Society for Pediatric Radiology is committed to improving the health care of the patient by providing excellence of diagnostic imaging and treatment of neonates, infants, children and adolescents. The SPR, as an advocate for the pediatric patient, is dedicated to setting standards of excellence of radiologic care. These standards of excellence will include appropriateness criteria, clinical and imaging protocols, and outcome expectations. The SPR will be a proactive organization to enhance the national visibility and unity of pediatric health care providers as a critical component of health care systems and national health care. The SPR will disseminate information/education to all pediatric health care providers who utilize radiologic imaging techniques. Primarily through its annual national meeting and its dedicated journal, Pediatric Radiology, the SPR promotes scientific review and critical appraisal of the specialty for its members and for the international medical community. Moreover, the SPR will establish liaisons and provide information to local, state, regional, and international organizations that have responsibility and authority for the development of both regulations and guidelines governing the medical imaging of pediatric patients

  8. A pilot experience launching a national dose protocol for vascular and interventional radiology

    International Nuclear Information System (INIS)

    Vano, E.; Segarra, A.; Fernandez, J. M.; Ordiales, J. M.; Simon, R.; Gallego, J. J.; Del Cerro, J.; Casasola, E.; Verdu, J. F.; Ballester, T.; Sotil, J.; Aspiazu, A.; Garcia, M. A.; Moreno, F.; Carreras, F.; Canis, M.; Soler, M. M.; Palmero, J.; Ciudad, J.; Diaz, F.; Hernandez, J.; Gonzalez, M.; Rosales, P.

    2008-01-01

    The design of a national dose protocol for interventional radiology has been one of the tasks during the European SENTINEL Coordination Action. The present paper describes the pilot experience carried out in cooperation with the Spanish Society on Vascular and Interventional Radiology (SERVEI). A prospective sample of procedures was initially agreed. A common quality control of the X-ray systems was carried out, including calibration of the air kerma area product (KAP) meters. Occupational doses of the radiologists involved in the survey were also included in the survey. A total of 10 Spanish hospitals with interventional X-ray units were involved. Six hundred and sixty-four patient dose data were collected from 397 diagnostic and 267 therapeutic procedures. Occupational doses were evaluated in a sample of 635 values. The obtained KAP median/mean values (Gy.cm 2 ) for the gathered procedures were: biliary drainage (30.6/68.9), fistulography (4.5/9.8), lower limb arteriography (52.2/60.7), hepatic chemoembolisation (175.8/218.3), iliac stent (45.9/73.2) and renal arteriography (39.1/59.8). Occupational doses (mean monthly values, in mSv) were 1.9 (over apron); 0.3 (under apron) and 4.5 (on hands). With this National experience, a protocol was agreed among the SENTINEL partners to conduct future similar surveys in other European countries. (authors)

  9. Interventional radiology as clinical specialty and how this affects the radiology specialty as a whole

    International Nuclear Information System (INIS)

    Tsetis, D.

    2015-01-01

    Full text: Interventional Radiologists (IRs) are medical doctors who are trained in imaging but have undergone additional specialist training in highly demanding image-guided techniques. For this reason they play an increasingly important clinical role which is expanding beyond IR/angiography suite. As IR practice is fundamentally different from diagnostic imaging, the Radiology departments should be adapted to facilitate this special task. Interventional Radiologists should be able to fulfil their task as patient’s primary doctor and exert direct clinical responsibility for the patient under their care. They should be able to clinically assess and counsel patients before a procedure, inform them about the risks of the procedure and possible alternative treatment options, obtain valid consent and follow-up them after the procedure. they should also effectively communicate with referring physicians and develop strategies to deal with complex clinical situations and difficult clinical scenarios. In this context it is imperative for IRs to participate regularly in multidisciplinary clinical meetings and multidisciplinary forums to ensure optimum care. As clinicians, IR’s must be involved with the day to day management of their patients’ care to ensure optimal outcomes for patients. This may involve shared care with a broad range of specialists, however IR’s should aim to have direct access to inpatients beds where they can admit and discharge patients as necessary, with sufficient time allocated for this activity. As the number and demand of IR day cases steadily increases, IR units should organize day case facilities staffed with nursing and clerical staff which can result in major cost savings to hospitals. In this context the Head of Radiology department should convince hospital authorities to establish outpatient clinic facilities with nursing and clerical support where referred patients can be counselled and reviewed in a quiet environment. In order to

  10. Symptomatic portal vein occlusion: treated by interventional radiological techniques

    International Nuclear Information System (INIS)

    Wang Maoqiang; Gu Xiaofang; Guan Jun; Wang Zhongpu; Liu Fengyong; Wang Zhiqiang

    2004-01-01

    Objective: To evaluate the efficacy and safety of the interventional radiological techniques for management of symptomatic portal vein (PV) occlusion. Methods: Nine patients with PV trunk occlusion were treated using interventional procedures. Four patients presented with abdominal pain, distention, and malabsorption; five presented with portal hypertension and repeated bleeding from esophagogastric varices. The etiologic factors were identified in all 9 patients, including post-transplantation of the liver in 2, hepatocellular carcinoma (HCC) associated with PV tumor thrombus in 3, post abdominal operative state in 1, and PV thrombosis in 3 cases. The portal access was established via a percutaneous transhepatic route in 4, and via a transjugular intrahepatic portosystemic shunt ( TIPS) approach in 5 patients. The interventional procedures included stent placement in 4, balloon angioplasty in 6, and catheter directed pharmacologic and mechanical thrombolysis in 7 patients. Results: The technical success was achieved in all cases. No complications related to the procedure occurred. Portal flow was reestablished in all patients after the procedures. Clinical improvement was seen in 3 patients with symptomatic PV thrombosis, characterized by progressive reduction of abdominal pain, distention, and diarrhea. Follow-up time ranged from 4 to 36 months. One patient with HCC died of multiple organs metastases at 11 months after the treatment . One patient died of intraabdominal sepsis and multiple organs failure 12 days after the procedure even though the antegrade flow was re-established in the main trunk of the PV. Patency of the PV trunk was confirmed by follow-up color Doppler ultrasound scan in the rest 7 patients, without recurrence of variceal bleeding or PV thrombus. Conclusions: Interventional minimally invasive procedures, including balloon angioplasty, stent placement, catheter directed local pharmacologic and mechanical thrombolysis, are safe and effective in

  11. Discussion on concepts for radiological dosimetric quantities in the Japan Health Physics Society

    International Nuclear Information System (INIS)

    Takahashi, Fumiaki; Oda, Keiji

    2007-01-01

    Many dosimetric quantities have been used for radiation protection purpose. The International Commission on Radiological Protection (ICRP) has recommended protection quantities and the International Commission on Radiation Units and Measurements (ICRU) has introduced operational quantities to provide a reasonable estimate of the protection quantities. Enthusiastic discussions are continuously made on the issues of the dosimetric quantities, such as basic biological data for the definition of these quantities and applicability of the quantities to actual radiation protection practice. At the moment, some changes are being proposed concerning dosimetric quantities in the draft recommendations of ICRP, opened for consultation in recent years. Thus, the Japan Health Physics Society (JHPS) established the Expert Committee on concepts of Dosimetric Quantities used in radiological protection (ECDQ) in April 2005 to reviewed and discuss issues in the dosimetric quantities. (author)

  12. Analysis of occupational doses in interventional radiology and cardiology installations

    International Nuclear Information System (INIS)

    Vano, E.; Gonzalez, L.; Ten, J.I.; Guibelalde, E.; Fernandez, J.M.

    1997-01-01

    The relationship between patient dose (PD) and occupational dose (OD) is not easily predictable in interventional radiology installations due to a large number of factors which can modify the occupational risk (OR). In the present work an analysis is made of the four main aspects which influence OR, namely, x-ray beam used, radiation protection (RP) tools available (aprons, thyroid protectors, gloves, screens, etc) and their regular use, type and number of procedures performed (diagnostic or therapeutic, complexity level, etc), and RP training level of the specialists. High filtration x-ray beams can entail a decrease of 20% in OD. A regular use of ceiling mounted faceplates can involve dose savings up to 65%. Mean values of dose per procedure for interventional radiologists are something greater (about 15%) than those recorded for cardiologists, except for the dosimeters placed on left forearm and shoulder. The ratio between OD and PD range around 100 μSv/1,000 cGy.cm 2 . The influence of the staff RP training level on OD is difficult to assess. In the IC Service from the Madrid San Carlos University Hospital (SCUH), PD have been reduced in above 30% and OD in a factor of 3, after running some training programmes. (author)

  13. External Factors That Influence the Practice of Radiology: Proceedings of the International Society for Strategic Studies in Radiology Meeting.

    Science.gov (United States)

    Rubin, Geoffrey D; McNeil, Barbara J; Palkó, András; Thrall, James H; Krestin, Gabriel P; Muellner, Ada; Kressel, Herbert Y

    2017-06-01

    In both the United States and Europe, efforts to reduce soaring health care costs have led to intense scrutiny of both standard and innovative uses of imaging. Given that the United States spends a larger share of its gross domestic product on health care than any other nation and also has the most varied health care financing and delivery systems in the world, it has become an especially fertile environment for developing and testing approaches to controlling health care costs and value. This report focuses on recent reforms that have had a dampening effect on imaging use in the United States and provides a glimpse of obstacles that imaging practices may soon face or are already facing in other countries. On the basis of material presented at the 2015 meeting of the International Society for Strategic Studies in Radiology, this report outlines the effects of reforms aimed at (a) controlling imaging use, (b) controlling payer expense through changes in benefit design, and (c) controlling both costs and quality through "value-based" payment schemes. Reasons are considered for radiology practices on both sides of the Atlantic about why the emphasis needs to shift from providing a large volume of imaging services to increasing the value of imaging as manifested in clinical outcomes, patient satisfaction, and overall system savings. Options for facilitating the shift from volume to value are discussed, from the use of advanced management strategies that improve workflow to the creation of programs for patient engagement, the development of new clinical decision-making support tools, and the validation of clinically relevant imaging biomarkers. Radiologists in collaboration with industry must enhance their efforts to expand the performance of comparative effectiveness research to establish the value of these initiatives, while being mindful of the importance of minimizing conflicts of interest. © RSNA, 2017.

  14. Off label use of devices and drugs in interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Zvavanjanja, R.C., E-mail: Rodrick.Zvavanjanja@rlbuht.nhs.uk [Royal Liverpool University Hospital, Liverpool (United Kingdom); Odetoyinbo, T.O.; Rowlands, P.C.; Healey, A.; Abdelsalam, H.; Powell, S.; Evans, J.C.; Hughes, M.L.; Gould, D.A.; McWilliams, R.G. [Royal Liverpool University Hospital, Liverpool (United Kingdom)

    2012-03-15

    Aim: To establish how often off-label device and drug use occurs in interventional radiology (IR) in a UK tertiary referral hospital and consider the wider implications for the interventional radiologist. Materials and methods: Prospective data were collected during interventional procedures for 1 working week in a university hospital. Out-of-hours procedures and procedures outside the department were excluded. Operators were asked to record the drugs and devices used, the indication, and method of use. The instructions for use/summary of product characteristics were then studied for each device/drug used to assess if the use was on or off-label. Results: During the study period 52 cases were performed and data were available on 26 cases (50%). In 22 of the 26 cases (84%) there was evidence of off-label use of devices or drugs. Off-label use of drugs included treatment of venous malformations with Fibrovein{sup Copyright-Sign} (sodium tetradecyl sulphate), which is licensed for the treatment of varicose veins in the leg, and intra-arterial injection of heparin, which is licensed for intravenous and subcutaneous use. Off-label device use included placing vascular sheaths in the urinary tract, using angiographic catheters to guide wires in the urinary tract, using sheaths for thrombosuction, reshaping of the tip of most guidewires, and using angioplasty balloons to dislodge the arterial plug at fistula thrombectomy. Conclusion: Off-label device and drugs use is common in a UK tertiary hospital IR department and literature suggests this is common in the wider IR community. There are important clinical and legal implications for off-label use for patients and physicians.

  15. Off label use of devices and drugs in interventional radiology

    International Nuclear Information System (INIS)

    Zvavanjanja, R.C.; Odetoyinbo, T.O.; Rowlands, P.C.; Healey, A.; Abdelsalam, H.; Powell, S.; Evans, J.C.; Hughes, M.L.; Gould, D.A.; McWilliams, R.G.

    2012-01-01

    Aim: To establish how often off-label device and drug use occurs in interventional radiology (IR) in a UK tertiary referral hospital and consider the wider implications for the interventional radiologist. Materials and methods: Prospective data were collected during interventional procedures for 1 working week in a university hospital. Out-of-hours procedures and procedures outside the department were excluded. Operators were asked to record the drugs and devices used, the indication, and method of use. The instructions for use/summary of product characteristics were then studied for each device/drug used to assess if the use was on or off-label. Results: During the study period 52 cases were performed and data were available on 26 cases (50%). In 22 of the 26 cases (84%) there was evidence of off-label use of devices or drugs. Off-label use of drugs included treatment of venous malformations with Fibrovein © (sodium tetradecyl sulphate), which is licensed for the treatment of varicose veins in the leg, and intra-arterial injection of heparin, which is licensed for intravenous and subcutaneous use. Off-label device use included placing vascular sheaths in the urinary tract, using angiographic catheters to guide wires in the urinary tract, using sheaths for thrombosuction, reshaping of the tip of most guidewires, and using angioplasty balloons to dislodge the arterial plug at fistula thrombectomy. Conclusion: Off-label device and drugs use is common in a UK tertiary hospital IR department and literature suggests this is common in the wider IR community. There are important clinical and legal implications for off-label use for patients and physicians.

  16. Abdominal radiology course 2002 - 13. annual meeting of ESGAR - joint meeting with the Society of Gastrointestinal Radiologists (SGR). Abstracts

    International Nuclear Information System (INIS)

    Anon.

    2002-01-01

    Abstracts of the conference papers dealing with the following headings: Imaging:liver; imaging: GI tract; imaging and intervention: liver, bile ducts, GI tract; imaging: GI tract, pancreas, US, contrast agents; hepatic imaging and intervention; portal venous, pancreatic, and biliary radiology, US contrast agents; GI tract: colorectal imaging and CT colography; abdominal imaging and intervention. Brief description of all posters. (MG)

  17. The German Radiological Society and the protagonists of radiology during the time of National Socialism. State of research, explanation attempts, desiderata and research prospects

    International Nuclear Information System (INIS)

    Schmidt, M.; Winzen, T.; Gross, D.

    2015-01-01

    The intention of the authors is the recognition and critical analysis of efforts to study the history of the German Radiological Society during the time of National Socialism from 1933 to 1945 with the goal of determining existing desiderata and identifying the resulting research prospects. There is a need to study concrete individual biographies of radiologists (members of the German Radiological Society, perpetrators, and victims) and their careers before and after 1945 as well as the importance of the interdisciplinarity of the discipline and the lack of institutional involvement during the ''Third Reich''. Moreover, the comparatively difficult starting situation of the study of the history of the German Radiological Society is discussed.

  18. Analysis of papers in the journal of Korean radiologic society of recent three years with special emphasis on citation index

    International Nuclear Information System (INIS)

    Yang, Seoung Oh; Choi, Sang Hee; Jeong, Cheol Hwe; Lee, Yung Il

    1990-01-01

    The papers in the Journal of the Korean Radiologic Society (JKRS) during recent three years were surveyed by analysis of their types, topics, organs, employed modalities, and cited literatures. Citation analysis is a method of studying interrelationships between papers and journals, and the most important application of citation analysis is in studies of science policy and research evaluation to evaluate the implementation of science policy and to monitor research performance. Using these citation analysis to map the journal communications network may indicate to more efficient scientific progress. Total number of papers published by JKRS for recent 3 years was 473 papers (Clinical : 354, Case report : 91, Experimental : 26, Educational : 2). The most common organ system of the papers was abdomen (head and neck, chest, musculoskeletal, cardiovascular, and urologic system in the order of decreasing frequency). The most popular topic was techniques including newer modalities and interventional radiology, and normal measurement, tuberculosis, hepatoma, normal anatomy and the like followed. Total number of cited references was 8,642 (18.26 per one paper), and the average number of authors per paper was 4.83. The most frequently used modality was CT (41%) followed by simple radiography, ultrasonogram, fluoroscopic study, angiography, nuclear imaging, and MRI. Using this kind of analysis as a guide for writing a paper for the JKRS, it could be well-organized and uplifted in its format and contents

  19. Nanotechnology and its relationship to interventional radiology. Part II: Drug Delivery, Thermotherapy, and Vascular Intervention.

    LENUS (Irish Health Repository)

    Power, Sarah

    2012-02-01

    Nanotechnology can be defined as the design, creation, and manipulation of structures on the nanometer scale. This two-part review is intended to acquaint the interventionalist with the field of nanotechnology, and provide an overview of potential applications, while highlighting advances relevant to interventional radiology. Part 2 of the article concentrates on drug delivery, thermotherapy, and vascular intervention. In oncology, advances in drug delivery allow for improved efficacy, decreased toxicity, and greater potential for targeted therapy. Magnetic nanoparticles show potential for use in thermotherapy treatments of various tumours, and the effectiveness of radiofrequency ablation can be enhanced with nanoparticle chemotherapy agents. In vascular intervention, much work is focused on prevention of restenosis through developments in stent technology and systems for localised drug delivery to vessel walls. Further areas of interest include applications for thrombolysis and haemostasis.

  20. Nanotechnology and its Relationship to Interventional Radiology. Part II: Drug Delivery, Thermotherapy, and Vascular Intervention.

    LENUS (Irish Health Repository)

    Power, Sarah

    2010-09-16

    Nanotechnology can be defined as the design, creation, and manipulation of structures on the nanometer scale. This two-part review is intended to acquaint the interventionalist with the field of nanotechnology, and provide an overview of potential applications, while highlighting advances relevant to interventional radiology. Part 2 of the article concentrates on drug delivery, thermotherapy, and vascular intervention. In oncology, advances in drug delivery allow for improved efficacy, decreased toxicity, and greater potential for targeted therapy. Magnetic nanoparticles show potential for use in thermotherapy treatments of various tumours, and the effectiveness of radiofrequency ablation can be enhanced with nanoparticle chemotherapy agents. In vascular intervention, much work is focused on prevention of restenosis through developments in stent technology and systems for localised drug delivery to vessel walls. Further areas of interest include applications for thrombolysis and haemostasis.

  1. Readability of informed consent forms in vascular and interventional radiology

    International Nuclear Information System (INIS)

    Pinto, I.; Vigil, D.

    1998-01-01

    To evaluate the readability of the informed consent forms prepared for vascular and interventional radiology. The 18 informed consent forms were analyzed using the Gramatica tool employed in Microsoft Word 97 For Windows which combines the statistics on legibility in terms of three sections: scores, averages and legibility (Flech index, passive voice, sentence complexity and vocabulary complexity). For each, the integrated readability index was also manually calculated. All the documents present a Flesch index of over 10; the sentence complexity indexes are less than or equal to 20, demonstrating that the sentences are not long or complicated in structure. Finally, the integrated readability index of all of them is well over 70. The forms posses acceptable legibility indexes, but their evaluation should be completed by an opinion poll of the patients for whom they are written. Moreover, it must be kept in mind that these documents, like the procedures performed, are changing continually. Thus, it is necessary to update and modify the information to be provided to the patients. (Author) 11 refs

  2. Interventional radiology techniques for the diagnosis of lymphoma or leukemia

    International Nuclear Information System (INIS)

    Garrett, Kevin M.; Hoffer, Fredric A.; Behm, Frederick G.; Gow, Kenneth W.; Hudson, Melissa M.; Sandlund, John T.

    2002-01-01

    Heading AbstractBackground. Fluid aspiration, percutaneous biopsy, and catheter drainage are standard minimally invasive methods of diagnosing lymphoma or leukemia in adults.Objective. To determine the effectiveness of interventional radiologic techniques in diagnosing specific hematologic malignancies in children.Methods. During a 4-year period, 22 patients (16 male, 6 female; median age, 13 years) underwent 25 percutaneous biopsies, 6 fluid aspirations, 3 catheter drainages, and 1 needle localization for diagnosing suspected hematologic malignancy.Results. For Hodgkin's disease, the procedures yielded 6 true-positive (TP) results, 2 true-negative (TN) results, and 2 false-negative (FN) results; for non-Hodgkin lymphoma (NHL), 14 TP results, 1 TN result, and 3 FN results; and for leukemia, 4 TP results and 3 FN results. Percutaneous biopsies yielded 16 TP results, 3 TN results, and 6 FN results. Aspirations and drainages yielded 8 TP results and 1 FN result. The one needle localization yielded a FN result. Overall sensitivity was 75%±7.3%; specificity, 100%; and accuracy, 77%±7.1%.Conclusion. Percutaneous biopsy of lymphoma is usually diagnostic. Drainage or aspiration of a fluid collection associated with NHL or leukemia is often diagnostic and is less invasive than biopsy. These procedures are minimally invasive and effective for diagnosing pediatric hematologic malignancies. (orig.)

  3. Entrance surface dose in cerebral interventional radiology procedures

    International Nuclear Information System (INIS)

    Barrera-Rico, M.; López-Rendón, X.; Rivera-Ordóñez, C. E.; Gamboa-deBuen, I.

    2012-01-01

    At the Instituto Nacional de Neurología y Neurocirugía (INNN) diagnostic as well as therapeutic procedures of interventional radiology are carried out. Since the procedures can last from some minutes to several hours, the absorbed dose for the patient could increase dangerously. An investigation had begun in order to determine the entrance surface dose (ESD) using 25 thermoluminiscent dosimeters TLD-100 and 8 strips of 15 ×1 cm 2 of Gafchromic XR-QA2 film bound in a holder of 15×15 cm 2 in the posteroanterior (PA) and lateral (LAT) positions during all the procedure. The results show that maximum ESD could be from 0.9 to 2.9 Gy for the PA position and between 1.6 and 2.5 Gy for the lateral position. The average ESD was between 0.7 and 1.3 Gy for the PA position, and from 0.44 to 1.1 Gy for the lateral position in a therapeutic procedure.

  4. A real-time haptic interface for interventional radiology procedures.

    Science.gov (United States)

    Moix, Thomas; Ilic, Dejan; Fracheboud, Blaise; Zoethout, Jurjen; Bleuler, Hannes

    2005-01-01

    Interventional Radiology (IR) is a minimally-invasive surgery technique (MIS) where guidewires and catheters are steered in the vascular system under X-ray imaging. In order to perform these procedures, a radiologist has to be correctly trained to master hand-eye coordination, instrument manipulation and procedure protocols. This paper proposes a computer-assisted training environment dedicated to IR. The system is composed of a virtual reality (VR) simulation of the anatomy of the patient linked to a robotic interface providing haptic force feedback.The paper focuses on the requirements, design and prototyping of a specific part of the haptic interface dedicated to catheters. Translational tracking and force feedback on the catheter is provided by two cylinders forming a friction drive arrangement. The whole friction can be set in rotation with an additional motor providing torque feedback. A force and a torque sensor are integrated in the cylinders for direct measurement on the catheter enabling disturbance cancellation with a close-loop force control strategy.

  5. Prostate embolization: A new acting field of interventional radiology

    International Nuclear Information System (INIS)

    Kisilevzky, N.; García Mónaco, R.; Peralta, O.; Rabelino, M.; Rosales Arroba, R.; Rodriguez, P.; Ocantos, J.; Martínez, P.F.; Damia, O.

    2014-01-01

    Purposes: To present the initial experience with prostatic embolization as an alternative treatment for benign prostatic hyperplasia (BPH) from a technical perspective to establish the contribution provided by diagnostic imaging. Materials and methods: Sixteen patients with lower urinary tract symptoms due to benign prostatic hyperplasia underwent prostatic embolization. All patients were evaluated with specific questionnaires to determine the severity of symptoms, impact on quality of life and erectile function, ultrasound and MRI of the pelvis, urinary flowmetry and PSA before and 30 days after the procedure. Results: Embolization was successful in all patients; in 10 cases the procedure was performed bilaterally and in six, only one side was embolized. The average time for completion of the procedure was 82 minutes and the average fluoroscopy time was 38.5 minutes. All procedures were performed on an outpatient basis with an average hospital stay of 6.4 hours. The mean contrast medium used was 175 ml. At 30 days there was a mean reduction on prostate volume of 21%. Clinical improvement was characterized by a mean 8-point improvement on IPSS, 2 points on QOL and 4 points on IIEF. The uroflowmetry improved 39% and PSA dropped 26%. No major complications that implied unscheduled hospitalization or performing additional surgical procedures were seen. Minor adverse events were verified in 9 patients. Conclusion: The initial results of prostatic embolization as an alternative treatment for BPH indicate that it is a safe and effective procedure to be consolidated as a new field of action of interventional radiology. (authors) [es

  6. Entrance surface dose in cerebral interventional radiology procedures

    Energy Technology Data Exchange (ETDEWEB)

    Barrera-Rico, M.; Lopez-Rendon, X.; Rivera-Ordonez, C. E.; Gamboa-deBuen, I. [Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, 04510 DF (Mexico); Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco Suarez, 14269 DF (Mexico); Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, 04510 DF (Mexico)

    2012-10-23

    At the Instituto Nacional de Neurologia y Neurocirugia (INNN) diagnostic as well as therapeutic procedures of interventional radiology are carried out. Since the procedures can last from some minutes to several hours, the absorbed dose for the patient could increase dangerously. An investigation had begun in order to determine the entrance surface dose (ESD) using 25 thermoluminiscent dosimeters TLD-100 and 8 strips of 15 Multiplication-Sign 1 cm{sup 2} of Gafchromic XR-QA2 film bound in a holder of 15 Multiplication-Sign 15 cm{sup 2} in the posteroanterior (PA) and lateral (LAT) positions during all the procedure. The results show that maximum ESD could be from 0.9 to 2.9 Gy for the PA position and between 1.6 and 2.5 Gy for the lateral position. The average ESD was between 0.7 and 1.3 Gy for the PA position, and from 0.44 to 1.1 Gy for the lateral position in a therapeutic procedure.

  7. American Society for Therapeutic Radiology and Oncology (ASTRO) Emerging Technology Committee report on electronic brachytherapy.

    Science.gov (United States)

    Park, Catherine C; Yom, Sue S; Podgorsak, Matthew B; Harris, Eleanor; Price, Robert A; Bevan, Alison; Pouliot, Jean; Konski, Andre A; Wallner, Paul E

    2010-03-15

    The development of novel technologies for the safe and effective delivery of radiation is critical to advancing the field of radiation oncology. The Emerging Technology Committee of the American Society for Therapeutic Radiology and Oncology appointed a Task Group within its Evaluation Subcommittee to evaluate new electronic brachytherapy methods that are being developed for, or are already in, clinical use. The Task Group evaluated two devices, the Axxent Electronic Brachytherapy System by Xoft, Inc. (Fremont, CA), and the Intrabeam Photon Radiosurgery Device by Carl Zeiss Surgical (Oberkochen, Germany). These devices are designed to deliver electronically generated radiation, and because of their relatively low energy output, they do not fall under existing regulatory scrutiny of radioactive sources that are used for conventional radioisotope brachytherapy. This report provides a descriptive overview of the technologies, current and future projected applications, comparison of competing technologies, potential impact, and potential safety issues. The full Emerging Technology Committee report is available on the American Society for Therapeutic Radiology and Oncology Web site. Copyright 2010. Published by Elsevier Inc.

  8. American Society for Therapeutic Radiology and Oncology (ASTRO) Emerging Technology Committee Report on Electronic Brachytherapy

    International Nuclear Information System (INIS)

    Park, Catherine C.; Yom, Sue S.; Podgorsak, Matthew B.; Harris, Eleanor; Price, Robert A.; Bevan, Alison; Pouliot, Jean; Konski, Andre A.; Wallner, Paul E.

    2010-01-01

    The development of novel technologies for the safe and effective delivery of radiation is critical to advancing the field of radiation oncology. The Emerging Technology Committee of the American Society for Therapeutic Radiology and Oncology appointed a Task Group within its Evaluation Subcommittee to evaluate new electronic brachytherapy methods that are being developed for, or are already in, clinical use. The Task Group evaluated two devices, the Axxent Electronic Brachytherapy System by Xoft, Inc. (Fremont, CA), and the Intrabeam Photon Radiosurgery Device by Carl Zeiss Surgical (Oberkochen, Germany). These devices are designed to deliver electronically generated radiation, and because of their relatively low energy output, they do not fall under existing regulatory scrutiny of radioactive sources that are used for conventional radioisotope brachytherapy. This report provides a descriptive overview of the technologies, current and future projected applications, comparison of competing technologies, potential impact, and potential safety issues. The full Emerging Technology Committee report is available on the American Society for Therapeutic Radiology and Oncology Web site.

  9. Radiological contrast media in the breastfeeding woman: a position paper of the Italian Society of Radiology (SIRM), the Italian Society of Paediatrics (SIP), the Italian Society of Neonatology (SIN) and the Task Force on Breastfeeding, Ministry of Health, Italy.

    Science.gov (United States)

    Cova, Maria Assunta; Stacul, Fulvio; Quaranta, Roberto; Guastalla, Pierpaolo; Salvatori, Guglielmo; Banderali, Giuseppe; Fonda, Claudio; David, Vincenzo; Gregori, Massimo; Zuppa, Antonio Alberto; Davanzo, Riccardo

    2014-08-01

    Breastfeeding is a well-recognised investment in the health of the mother-infant dyad. Nevertheless, many professionals still advise breastfeeding mothers to temporarily discontinue breastfeeding after contrast media imaging. Therefore, we performed this review to provide health professionals with basic knowledge and skills for appropriate use of contrast media. A joint working group of the Italian Society of Radiology (SIRM), Italian Society of Paediatrics (SIP), Italian Society of Neonatology (SIN) and Task Force on Breastfeeding, Ministry of Health, Italy prepared a review of the relevant medical literature on the safety profile of contrast media for the nursing infant/child. Breastfeeding is safe for the nursing infant of any post-conceptional age after administration of the majority of radiological contrast media to the mother; only gadolinium-based agents considered at high risk of nephrogenic systemic fibrosis (gadopentetate dimeglumine, gadodiamide, gadoversetamide) should be avoided in the breastfeeding woman as a precaution; there is no need to temporarily discontinue breastfeeding or to express and discard breast milk following the administration of contrast media assessed as compatible with breastfeeding. Breastfeeding women should receive unambiguous professional advice and clear encouragement to continue breastfeeding after imaging with the compatible contrast media. • Breastfeeding is a well-known investment in the health of the mother-infant dyad. • Breastfeeding is safe after administration of contrast media to the mother. • There is no need to temporarily discontinue breastfeeding following administration of contrast media.

  10. Radiological safety for the public during nuclear emergencies: application of intervention levels and derived intervention levels

    International Nuclear Information System (INIS)

    Thomas, G.; Kumar, K.S.

    2006-01-01

    public from a practice is relatively small, the intervention level based on averted dose may have to be high, as significant reduction in exposure is required to justify the intervention. For intervention after a major nuclear / radiological accident, the non-radiological risk could be much larger, particularly if it is necessary to evacuate a large number of people. The variation between intervention levels for different nuclear/ radiological emergency situation could also differ quite significantly. In case of intervention, the doses received before the countermeasures are implemented should not be counted for balancing the detriment and benefit as these doses will be received whether or not the intervention is carried out. At the same time, applying the concept of averted dose involves lot of uncertainty in predicting and advising the time of intervention. The initial planning for various emergencies should include a choice of intervention levels, as discussed in this paper, in terms of averted doses, that will be justified and reasonably well optimized. Each protective action should therefore be considered on its own merits and the doses that would be incurred via all relevant pathways of exposure should also be assessed. (authors)

  11. Report by the work-group on radiation protection in interventional radiology. Recommendations related to the improvement of radiation protection in interventional radiology

    International Nuclear Information System (INIS)

    2010-01-01

    This report aims at proposing recommendations for the improvement of the quality of radiation protection of workers and patients in the field of interventional radiology. These recommendations concern the training of health personnel, the application of the optimization principle to health professionals and patients, dosimetry and the definition of diagnosis reference levels. More particularly, these recommendations concern professions involved in interventional radiology, and take into account the experience of other European Union State members and recommendations made by the IAEA. The authors analyze the equipment, radiological actions, procedures and doses, practitioners, equipment used for radio-guided interventions. They discuss doses received by patients, patient monitoring and radio-induced lesions. Then, they address the role and training of the different interveners in radiation protection, the equipment maintenance issue, and personnel dosimetry and protection

  12. Paediatric radiology and scientific contributions to radiation dose at the meeting of the German Radiological Society-An analysis of an 11-year period

    International Nuclear Information System (INIS)

    Heyer, Christoph M.; Lemburg, Stefan P.; Peters, Soeren A.

    2010-01-01

    Aim: Evaluation of the emphasis on themes pertaining to paediatric radiology and radiation dose at the Meeting of the German Radiological Society from 1998 to 2008 in comparison to international data. Materials and methods: Retrospective analysis of 9440 abstracts with documentation of type of contribution, imaging modality, and examined body region. Abstracts primarily dealing with paediatric radiology and those stating radiation dose were documented. Results were compared with a Pubmed query. Results: 448 contributions in paediatric radiology were presented corresponding to 5% of all abstracts with an increase from 5 (1998) to 7% (2008). The proportion of prospective studies of all congress contributions was 10%, whereas in paediatric radiology, the share of prospective studies was 6%. From 1998 to 2008, the share of MRI fell from 48 to 38%, while CT contributions rose from 30 to 34%. Within paediatric radiology, the proportion of CT rose from 23 to 29%, while MRI and ultrasound fell from 63 to 48% and 35 to 19%, respectively. The share of abstracts dealing with radiation dose rose from 7 to 10% while that primarily pertaining to dose reduction grew from 2 to 4%. Of all abstracts concerning CT, 15% touched on radiation dose, whereas 6% primarily dealt with dose reduction. Among all abstracts dealing with paediatric radiology, 20 and 6% mentioned radiation dose and dose reduction, respectively. In the subgroup of paediatric radiology CT abstracts, radiation dose and dose reduction were mentioned in 34 and 16%, respectively. An online query produced 137,791 publications on CT, of whose abstracts 3% mentioned radiation dose and 0.5% mentioned dose reduction. 11% of all CT publications dealt with paediatric populations and 2% of these publications examined questions of radiation dose. Conclusions: In the last 11 years the Meeting of the German Radiological Society has presented a growing number of contributions pertaining to paediatric radiology. CT has shown the

  13. Medical intervention in radiological emergencies, formation and training

    International Nuclear Information System (INIS)

    Cardenas H, J.

    2006-01-01

    The work exposes the national experience in the development of training programs in medical aspects of the radiological emergencies. Implemented after valuing the existent situation, identified the necessities and the reach of the training, additionally it was elaborated the content of the training program whose purpose is guided to the invigoration of the medical answer capacity in radiological emergencies The content of the modular program it approaches theoretical- practical aspects on preparation and medical answer in radiological emergencies. The program includes an exercise that simulates a radiological accident, to evaluate during the same one, the answer capacity before this situation. The training concludes with the design of a strategy for the preparation and answer in radiological emergencies in correspondence with the potential accidental scenarios that the participants can face. (Author)

  14. Experience of the Argentine Radioprotection Society in training in radiological protection

    International Nuclear Information System (INIS)

    Bomben, A.M.

    2006-01-01

    From its creation in 1967, the Argentine Radioprotection Society (SAR) has as basic purpose promoting all the aspects related with the radiological protection and the nuclear safety. Due to the great increment in the use of radioactive sources in diverse areas, soon it was evident for the SAR the importance and necessity to promote the knowledge of the radioprotection approaches between the users of radioactive sources and ionizing radiations in all its application fields, be these industrial, academic or doctors. From the year 2000, the SAR comes organizing in regular and periodical form basic and specialized courses about radiological safety of radioactive sources for industrial use and profile of oil wells, among others. In this work, the characteristics of the different dictated courses are described whose programs have been developed keeping in mind the requirements of the competent authorities of Argentina. Also, statistical information on the dictated courses and its participants is presented. The number of dictated courses was incremented from 6 (year 2000) up to 16 (year 2005), being also increased significantly the number of participants for course. The dictated courses are theoretical-practical, with a duration average of 20 hs. The educational body is constituted by specialists in the different topics with recognized experience. Its given to the participants notes and support material, as well as copies of the material presented to develop the course. When concluding the courses, its deliver to the participants certifies of attendance and/or approval, as it corresponds. In their headquarters the SAR has didactic facilities and specific equipment for the dictation of the courses. Also accounts with the easiness of dictating those courses outside of their headquarters. This is particularly advantageous for companies or organizations that are seated in points far from the main cities and they should qualify in radiological safety to the personnel but, by

  15. Staff lens doses in interventional urology. A comparison with interventional radiology, cardiology and vascular surgery values

    International Nuclear Information System (INIS)

    Vano, E; Fernandez, J M; Sanchez, R M; Resel, L E; Moreno, J

    2016-01-01

    The purpose of this work is to evaluate radiation doses to the lens of urologists during interventional procedures and to compare them with values measured during interventional radiology, cardiology and vascular surgery. The measurements were carried out in a surgical theatre using a mobile C-arm system and electronic occupational dosimeters (worn over the lead apron). Patient and staff dose measurements were collected in a sample of 34 urology interventions (nephrolithotomies). The same dosimetry system was used in other medical specialties for comparison purposes. Median and 3rd quartile values for urology procedures were: patient doses 30 and 40 Gy cm 2 ; personal dose equivalent Hp(10) over the apron (μSv/procedure): 393 and 848 (for urologists); 21 and 39 (for nurses). Median values of over apron dose per procedure for urologists resulted 18.7 times higher than those measured for radiologists and cardiologists working with proper protection (using ceiling suspended screens) in catheterisation laboratories, and 4.2 times higher than the values measured for vascular surgeons at the same hospital. Comparison with passive dosimeters worn near the eyes suggests that dosimeters worn over the apron could be a reasonable conservative estimate for ocular doses for interventional urology. Authors recommend that at least the main surgeon uses protective eyewear during interventional urology procedures. (paper)

  16. The Clinical Practice of Interventional Radiology: A European Perspective

    International Nuclear Information System (INIS)

    Keeling, Aoife N.; Reekers, Jim A.; Lee, Michael J.

    2009-01-01

    The purpose of this study was to determine the current clinical environment in which interventional radiology (IR) is practiced throughout Europe. A survey, comprising 12 questions on IR clinical practice, was sent to 1800 CIRSE members. Members were asked to return one survey per department. Two hundred seventy-four departments returned completed questionnaires, 22% from the United Kingdom (n = 60), 11% from Germany (n = 30), 8% from Austria (n = 23), and the remainder spread over Europe. Experts, with more than 10 years of IR experience, comprised 74% of the survey group. Almost one-third of the radiologists dedicated more than 80% of their clinical sessions to IR alone (27%; n = 75), with two-thirds practicing in a university teaching hospital setting (66%; n = 179). Few institutions have dedicated IR inpatient hospital beds (17%; n = 46), however, to compensate, day case beds are available (31%), IR admitting rights are in place (64% overall, 86% for in-patients, and 89% for day cases), and elective IR admissions can be made through other clinicians (87%). IR outpatient clinics are run at 26% of departments, with an average of two sessions per week. Dedicated nurses staff the majority of IR suites (82%), but clinical junior doctors are lacking (46%). Hospital management's refusing access to beds was the most commonly cited reason for not developing a clinical IR service (41%). In conclusion, there is marked variation across European centers in the current practice of IR. Half do not have dedicated junior doctors and only a small minority have inpatient hospital beds. If IR is to be maintained as a dedicated clinical specialty, these issues need to be addressed urgently.

  17. The clinical practice of interventional radiology: a European perspective.

    LENUS (Irish Health Repository)

    Keeling, Aoife N

    2009-05-01

    The purpose of this study was to determine the current clinical environment in which interventional radiology (IR) is practiced throughout Europe. A survey, comprising 12 questions on IR clinical practice, was sent to 1800 CIRSE members. Members were asked to return one survey per department. Two hundred seventy-four departments returned completed questionnaires, 22% from the United Kingdom (n = 60), 11% from Germany (n = 30), 8% from Austria (n = 23), and the remainder spread over Europe. Experts, with more than 10 years of IR experience, comprised 74% of the survey group. Almost one-third of the radiologists dedicated more than 80% of their clinical sessions to IR alone (27%; n = 75), with two-thirds practicing in a university teaching hospital setting (66%; n = 179). Few institutions have dedicated IR inpatient hospital beds (17%; n = 46), however, to compensate, day case beds are available (31%), IR admitting rights are in place (64% overall, 86% for in-patients, and 89% for day cases), and elective IR admissions can be made through other clinicians (87%). IR outpatient clinics are run at 26% of departments, with an average of two sessions per week. Dedicated nurses staff the majority of IR suites (82%), but clinical junior doctors are lacking (46%). Hospital management\\'s refusing access to beds was the most commonly cited reason for not developing a clinical IR service (41%). In conclusion, there is marked variation across European centers in the current practice of IR. Half do not have dedicated junior doctors and only a small minority have inpatient hospital beds. If IR is to be maintained as a dedicated clinical specialty, these issues need to be addressed urgently.

  18. Fast skin dose estimation system for interventional radiology.

    Science.gov (United States)

    Takata, Takeshi; Kotoku, Jun'ichi; Maejima, Hideyuki; Kumagai, Shinobu; Arai, Norikazu; Kobayashi, Takenori; Shiraishi, Kenshiro; Yamamoto, Masayoshi; Kondo, Hiroshi; Furui, Shigeru

    2018-03-01

    To minimise the radiation dermatitis related to interventional radiology (IR), rapid and accurate dose estimation has been sought for all procedures. We propose a technique for estimating the patient skin dose rapidly and accurately using Monte Carlo (MC) simulation with a graphical processing unit (GPU, GTX 1080; Nvidia Corp.). The skin dose distribution is simulated based on an individual patient's computed tomography (CT) dataset for fluoroscopic conditions after the CT dataset has been segmented into air, water and bone based on pixel values. The skin is assumed to be one layer at the outer surface of the body. Fluoroscopic conditions are obtained from a log file of a fluoroscopic examination. Estimating the absorbed skin dose distribution requires calibration of the dose simulated by our system. For this purpose, a linear function was used to approximate the relation between the simulated dose and the measured dose using radiophotoluminescence (RPL) glass dosimeters in a water-equivalent phantom. Differences of maximum skin dose between our system and the Particle and Heavy Ion Transport code System (PHITS) were as high as 6.1%. The relative statistical error (2 σ) for the simulated dose obtained using our system was ≤3.5%. Using a GPU, the simulation on the chest CT dataset aiming at the heart was within 3.49 s on average: the GPU is 122 times faster than a CPU (Core i7-7700K; Intel Corp.). Our system (using the GPU, the log file, and the CT dataset) estimated the skin dose more rapidly and more accurately than conventional methods.

  19. Is Your Interventional Radiology Service Ready for SARS?: The Singapore Experience

    International Nuclear Information System (INIS)

    Lau, Te-Neng; Teo, Ngee; Tay, Kiang-Hiong; Chan, Ling-Ling; Wong, Daniel; Lim, Winston E.H.; Tan, Bien-Soo

    2003-01-01

    The recent epidemic of severe acute respiratory syndrome caught many by surprise. Hitherto, infection control has not been in the forefront of radiological practice. Many interventional radiology (IR) services are therefore not equipped to deal with such a disease. In this review, we share our experience from the interventional radiologist's perspective, report on the acute measures instituted within our departments and explore the long-term effects of such a disease on the practice of IR

  20. European Society of Urogenital Radiology (ESUR) Guidelines: MR Imaging of Leiomyomas.

    Science.gov (United States)

    Kubik-Huch, Rahel A; Weston, Michael; Nougaret, Stephanie; Leonhardt, Henrik; Thomassin-Naggara, Isabelle; Horta, Mariana; Cunha, Teresa Margarida; Maciel, Cristina; Rockall, Andrea; Forstner, Rosemarie

    2018-02-28

    The aim of the Female Pelvic Imaging Working Group of the European Society of Urogenital Radiology (ESUR) was to develop imaging guidelines for MR work-up in patients with known or suspected uterine leiomyomas. Guidelines for imaging uterine leiomyomas were defined based on a survey distributed to all members of the working group, an expert consensus meeting at European Congress of Radiology (ECR) 2017 and a critical review of the literature. The 25 returned questionnaires as well as the expert consensus meeting have shown reasonable homogeneity of practice among institutions. Expert consensus and literature review lead to an optimized MRI protocol to image uterine leiomyomas. Recommendations include indications for imaging, patient preparation, MR protocols and reporting criteria. The incremental value of functional imaging (DWI, DCE) is highlighted and the role of MR angiography discussed. MRI offers an outstanding and reproducible map of the size, site and distribution of leiomyomas. A standardised imaging protocol and method of reporting ensures that the salient features are recognised. These imaging guidelines are based on the current practice among expert radiologists in the field of female pelvic imaging and also incorporate essentials of the current published MR literature of uterine leiomyomas. • MRI allows comprehensive mapping of size and distribution of leiomyomas. • Basic MRI comprise T2W and T1W sequences centered to the uterus. • Standardized reporting ensures pivotal information on leiomyomas, the uterus and differential diagnosis. • MRI aids in differentiation of leiomyomas from other benign and malignant entities, including leiomyosarcoma.

  1. European society of urogenital radiology (ESUR) guidelines: MR imaging of pelvic endometriosis

    International Nuclear Information System (INIS)

    Bazot, M.; Thomassin-Naggara, I.; Bharwani, N.; Huchon, C.; Kinkel, K.; Cunha, T.M.; Guerra, A.; Manganaro, L.; Bunesch, L.; Kido, A.; Togashi, K.; Rockall, A.G.

    2017-01-01

    Endometriosis is a common gynaecological condition of unknown aetiology that primarily affects women of reproductive age. The accepted first-line imaging modality is pelvic ultrasound. However, magnetic resonance imaging (MRI) is increasingly performed as an additional investigation in complex cases and for surgical planning. There is currently no international consensus regarding patient preparation, MRI protocols or reporting criteria. Our aim was to develop clinical guidelines for MRI evaluation of pelvic endometriosis based on literature evidence and consensus expert opinion. This work was performed by a group of radiologists from the European Society of Urogenital Radiology (ESUR), experts in gynaecological imaging and a gynaecologist expert in methodology. The group discussed indications for MRI, technical requirements, patient preparation, MRI protocols and criteria for the diagnosis of pelvic endometriosis on MRI. The expert panel proposed a final recommendation for each criterion using Oxford Centre for Evidence Based Medicine (OCEBM) 2011 levels of evidence. (orig.)

  2. European society of urogenital radiology (ESUR) guidelines: MR imaging of pelvic endometriosis

    Energy Technology Data Exchange (ETDEWEB)

    Bazot, M.; Thomassin-Naggara, I. [Tenon Hospital, Department of Radiology, Paris (France); Bharwani, N. [Imperial College Healthcare NHS Trust, Department of Radiology, St Mary' s Hospital, London (United Kingdom); Huchon, C. [CHI Poissy Saint-Germain en Laye, Versailles University France, Department of Obtetrics and Gynaecology, Poissy (France); Kinkel, K. [Institut de Radiologie, Chene-Bougeries (Switzerland); Cunha, T.M. [Instituto Portugues de Oncologia de Lisboa Francisco Gentil, Servico de Radiologia, Lisboa (Portugal); Guerra, A. [Hospital da Luz, Department of Radiology, Lisbon (Portugal); Manganaro, L. [Sapienza University of Rome, Department of Radiological Sciences, Rome (Italy); Bunesch, L. [Hospital Clinic Barcelona, Department of Radiology (Urogenital Section), Barcelona (Spain); Kido, A.; Togashi, K. [Kyoto University Hospital, Department of Diagnostic Radiology, Kyoto (Japan); Rockall, A.G. [The Royal Marsden Hospital, Department of Radiology, London (United Kingdom)

    2017-07-15

    Endometriosis is a common gynaecological condition of unknown aetiology that primarily affects women of reproductive age. The accepted first-line imaging modality is pelvic ultrasound. However, magnetic resonance imaging (MRI) is increasingly performed as an additional investigation in complex cases and for surgical planning. There is currently no international consensus regarding patient preparation, MRI protocols or reporting criteria. Our aim was to develop clinical guidelines for MRI evaluation of pelvic endometriosis based on literature evidence and consensus expert opinion. This work was performed by a group of radiologists from the European Society of Urogenital Radiology (ESUR), experts in gynaecological imaging and a gynaecologist expert in methodology. The group discussed indications for MRI, technical requirements, patient preparation, MRI protocols and criteria for the diagnosis of pelvic endometriosis on MRI. The expert panel proposed a final recommendation for each criterion using Oxford Centre for Evidence Based Medicine (OCEBM) 2011 levels of evidence. (orig.)

  3. Minutes of the 45. meeting of the American society of therapeutic radiology and oncology (Astro)

    International Nuclear Information System (INIS)

    Racadot, S.; Mazeron, J.J.

    2003-01-01

    The forty fifth meeting of the American Society of Therapeutic Radiology and Oncology (ASTRO) held at the center of congress in Salt Lake city in october 2003. 542 scientific works have been presented, whom 221 orally. Escalation of radiation doses in prostate cancers have been studied. Fractionation and hormones therapy in prostate cancers are reported. The bladder cancers made the object of information, the bronchi cancer ( non at small cells and at small cells) have been analysed. Cancers of the ORL sphere, mammary gland and brain metastases were presented. The radiotherapy as a palliative treatment of bone metastases made the object of a report. The receptors of the epidermoid growth factor has been shown as an important factor to predict the tumor response to irradiation. (N.C.)

  4. The Public-Key-Infrastructure of the Radiological Society of Germany

    International Nuclear Information System (INIS)

    Schuetze, B.; Kaemmerer, M.; Klos, G.; Mildenberger, P.

    2006-01-01

    Pretty Good Privacy (PGP) encoding is based on the Public-Key-Procedure and permits the safe transmission of medical data. Furthermore it allows the use of an electronic signature provided that keys used belong to the key owner and that the key owner's identity is guaranteed by a trusted third party. Under the auspices of the Radiological Society of Germany (Deutsche Roentgengesellschaft, DRG) its IT-Working Group (Arbeitsgemeinschaft fuer Informationstechnik, GIT) built up an appropriate Certification Authority including the required Public-Key-Infrastructure. These GIT certified PGP keys allow the legal use of telemedicine in Germany. Digital signatures based to those certified keys correspond to the advanced signature according to the German Signature Law

  5. The Public-Key-Infrastructure of the Radiological Society of Germany

    Energy Technology Data Exchange (ETDEWEB)

    Schuetze, B. [Johannes Gutenberg-University of Mainz, Department of Radiology, Langenbeckstr. 1, 55131 Mainz (Germany)]. E-mail: schuetze@medizin-informatik.org; Kaemmerer, M. [Johannes Gutenberg-University of Mainz, Department of Radiology, Langenbeckstr. 1, 55131 Mainz (Germany); Klos, G. [Johannes Gutenberg-University of Mainz, Department of Radiology, Langenbeckstr. 1, 55131 Mainz (Germany); Mildenberger, P. [Johannes Gutenberg-University of Mainz, Department of Radiology, Langenbeckstr. 1, 55131 Mainz (Germany)

    2006-03-15

    Pretty Good Privacy (PGP) encoding is based on the Public-Key-Procedure and permits the safe transmission of medical data. Furthermore it allows the use of an electronic signature provided that keys used belong to the key owner and that the key owner's identity is guaranteed by a trusted third party. Under the auspices of the Radiological Society of Germany (Deutsche Roentgengesellschaft, DRG) its IT-Working Group (Arbeitsgemeinschaft fuer Informationstechnik, GIT) built up an appropriate Certification Authority including the required Public-Key-Infrastructure. These GIT certified PGP keys allow the legal use of telemedicine in Germany. Digital signatures based to those certified keys correspond to the advanced signature according to the German Signature Law.

  6. Proceedings of the Session of Radiological Protection in Medicine

    International Nuclear Information System (INIS)

    2016-01-01

    The Argentine Society for Radiation Protection has organized the Radiological Protection Session in Medicine 2016 in order to continue with the radiological update on specific radiological topics in radiology, nuclear medicine and interventional medicine, as well as to optimize the radiological protection of workers, patients and the public. [es

  7. Radiology

    International Nuclear Information System (INIS)

    Edholm, P.R.

    1990-01-01

    This is a report describing diagnostic techniques used in radiology. It describes the equipment necessary for, and the operation of a radiological department. Also is described the standard methods used in radiodiagnosis. (K.A.E.)

  8. Interventional radiology delivers high-value health care and is an Imaging 3.0 vanguard.

    Science.gov (United States)

    Charalel, Resmi A; McGinty, Geraldine; Brant-Zawadzki, Michael; Goodwin, Scott C; Khilnani, Neil M; Matsumoto, Alan H; Min, Robert J; Soares, Gregory M; Cook, Philip S

    2015-05-01

    Given the changing climate of health care and the imperative to add value, radiologists must join forces with the rest of medicine to deliver better patient care in a more cost-effective, evidence-based manner. For several decades, interventional radiology has added value to the health care system through innovation and the provision of alternative and effective minimally invasive treatments, which have decreased morbidity, mortality, and overall cost. The clinical practice of interventional radiology embodies many of the features of Imaging 3.0, the program recently launched by the ACR. We provide a review of some of the major contributions made by interventional radiology and offer general principles from that experience, which are applicable to all radiologists. Copyright © 2015 American College of Radiology. Published by Elsevier Inc. All rights reserved.

  9. A pilot study of radiation exposures arising from interventional radiology procedures

    International Nuclear Information System (INIS)

    Pellet, S.; Giczi, F.; Gaspardy, G.; Temesi, A.; Ballay, L.

    2006-01-01

    Full text of publication follows: In the past 25 years, considerable number of new therapeutic procedures have been worked out and adopted in radiology. These interventional procedures are mainly based on angiographic methods. During these procedures the exposure of patients and staff are usually greater than of conventional radiography and fluoroscopy as a consequence of longer fluoroscopy times and great number of cine-radiography. In the latest years radiation-induced skin injuries occurred in some patients. Injuries to physicians and staff performing interventional procedures have also been observed. In our days interventional procedures are widely used and more sophisticated procedures are worked out and adopted. Consequently, there is a need for the protection of the patient and the staff on a higher level. Radiation protection of intervention radiology deserves a distinguish attention. In Hungary interventional radiology were performed in 36 laboratories in 2003. According to statistical data the gross number of interventional radiological procedures were 19442. The most frequently performed procedures were the P.T.C.A., the coronary and ilio-femoral stent implantation and chemo-embolization. In 2004, the National Research Institute for Radiobiology and Radio-hygiene and the National Patient Dose Evaluation Program started a pilot study of radiation exposures arising from interventional radiology procedures. During the study the patient exposure were measured by D.A.P.-meters. The patient skin dose and the staff dose were performed by thermoluminescent chips. In their presentation the authors present the most important results of the study. (authors)

  10. Key issues concerning changes in the radiological protection system: some thoughts from the French Society for Radiation Protection (SFRP)

    International Nuclear Information System (INIS)

    Schieber, C.; Cordoliani, Y.S.

    2002-01-01

    In 1999, the International Radiological Protection Association (IRPA) asked for contributions to the debate on future changes to the radiological protection system proposed by the International Commission on Radiological Protection (ICRP). In response, the Board of the French Society for Radiation Protection (SFRP) created a working group to deal specifically with this issue. It met on several occasions between April and July and its findings were presented at the IRPA Congress in May 2000. They were also published in the French journal Radioprotection and in the British Journal of Radiological Protection. To further its discussions, the Board of the SFRP decided to create a second working group which became operational in September 2001. It has around 20 members representing the major players in the radiological protection field in France: authorities, experts and professionals from the nuclear, medical and research fields as well as one association representative (the list of members can be found at the end of this document). The working group was set up to produce proposals relating to the key issues likely to be raised, particularly by the ICRP, concerning the development of new radiological protection recommendations. The members of the working group analysed the ICRP memorandum published in the June 2001 edition of the Journal of Radiological Protection and used their own experience to determine what these key issues would be. The following issues were discussed: General thoughts on the new radiological protection system proposed by the ICRP, Individual and collective approaches to the radiological risk, Comparison with chemical risk management, Radiological protection of the environment, Changes in exposure levels and units of measurement. This paper, which has been approved by the Board of the SFRP, gives the main conclusions of the working group on the key issues in these areas. It is intended to reflect the various opinions expressed during the groups

  11. Imaging and radiology

    Science.gov (United States)

    Interventional radiology; Diagnostic radiology; X-ray imaging ... DIAGNOSTIC RADIOLOGY Diagnostic radiology helps health care professionals see structures inside your body. Doctors that specialize in the interpretation ...

  12. Proceedings of the 7th National Congress of the Mexican Society of Radiological Safety C.A

    International Nuclear Information System (INIS)

    1997-01-01

    The Mexican Society of Radiological Safety, celebrates on this time the 100 Anniversary of the radioactivity discovery, phenomenon coined by Marie Curie in 1898 and discover by Henry Beckerel in March 1896, when both were working with natural radioactive isotopes. Subsequently, on the new age of Physics, the use of radioactive isotopes was impulse by the invention of Cyclotron made by Dr. Ernest Orland Lawrence in the United States, which permits the manufacturing of tens of artificial radioactive isotopes which convert its in an indispensable tool in Medicine, Industry, Research, Agriculture and other disciplines, by its wide variety of applications, creating the radiological safety culture by the implicit risk in the use of these materials. From its creation in 1976, our society was removing to promote the radiological safety and two years each celebrates its National Congress removing specialists in this discipline and invite new generations to awake their interest by this useful field. (Author)

  13. Economic evaluation of angiographic interventions including a whole-radiology in- and outpatient care

    International Nuclear Information System (INIS)

    Nolte-Ernsting, C.; Abel, K.; Krupski, G.; Lorenzen, J.; Adam, G.

    2006-01-01

    Purpose: To determine the economic efficiency of a whole-radiology in- and outpatient treatment with angiographic interventions performed as the main or sole therapy. Materials and Methods: The calculations represent the data of a university radiology department, including the following angiographic interventions (neuroradiology not considered): Vascular intervention (PTA, stent implantation) of kidneys and extremities, recanalization of hemodialysis access, chemoembolization, diagnostic arterioportal liver CT, port implantation, varicocele embolization, PTCD, percutaneous implantation of biliary stent. First, the different angiographic interventions are categorized with reference to the German DRG system 2005. Considering the example of a university hospital, the individual cost of each intervention is calculated and correlated with reimbursements by G-DRG2005 and so-called ''ambulant operation'' (EBM200plus). With these data, profits and losses are calculated for both in- and outpatient care. Results: Radiologic interventions of inpatients yield a profit in the majority of cases. With a base rate of 2900 Euro, the profits in our university hospital range between -872 Euro and +3411 Euro (mean: +1348 Euro). On the other hand, those angiographic interventions suitable for ''ambulant operation'' generate average profits of +372 Euro, if only direct costs are considered. The data of outpatient radiological interventions average between 381 Euro up to 1612 Euro lower than compared with profits obtained from in patient care. (orig.)

  14. Role of interventional radiology in the management of acute gastrointestinal bleeding

    Science.gov (United States)

    Ramaswamy, Raja S; Choi, Hyung Won; Mouser, Hans C; Narsinh, Kazim H; McCammack, Kevin C; Treesit, Tharintorn; Kinney, Thomas B

    2014-01-01

    Acute gastrointestinal bleeding (GIB) can lead to significant morbidity and mortality without appropriate treatment. There are numerous causes of acute GIB including but not limited to infection, vascular anomalies, inflammatory diseases, trauma, and malignancy. The diagnostic and therapeutic approach of GIB depends on its location, severity, and etiology. The role of interventional radiology becomes vital in patients whose GIB remains resistant to medical and endoscopic treatment. Radiology offers diagnostic imaging studies and endovascular therapeutic interventions that can be performed promptly and effectively with successful outcomes. Computed tomography angiography and nuclear scintigraphy can localize the source of bleeding and provide essential information for the interventional radiologist to guide therapeutic management with endovascular angiography and transcatheter embolization. This review article provides insight into the essential role of Interventional Radiology in the management of acute GIB. PMID:24778770

  15. Spanish poster contributions to the Meeting of the Radiological Society of North America (RSNA) between 1988 and 1998

    International Nuclear Information System (INIS)

    Villanueva, A. J.

    1999-01-01

    Following a short historical introduction concerning the attendance of Spanish radiologists at international congresses, we summarize the data provided in poster form obtained from the proceedings of the meetings of the Radiological Society of North America held in 1989, 1992, 1995 and 1998. Suggestions to further this initiative are made. (Author) 6 refs

  16. Estimation of staff lens doses during interventional procedures. Comparing cardiology, neuroradiology and interventional radiology

    International Nuclear Information System (INIS)

    Vano, E.; Sanchez, R.M.; Fernandez, J.M.

    2015-01-01

    The purpose of this article is to estimate lens doses using over apron active personal dosemeters in interventional catheterisation laboratories (cardiology IC, neuroradiology IN and radiology IR) and to investigate correlations between occupational lens doses and patient doses. Active electronic personal dosemeters placed over the lead apron were used on a sample of 204 IC procedures, 274 IN and 220 IR (all performed at the same university hospital). Patient dose values (kerma area product) were also recorded to evaluate correlations with occupational doses. Operators used the ceiling-suspended screen in most cases. The median and third quartile values of equivalent dose Hp(10) per procedure measured over the apron for IC, IN and IR resulted, respectively, in 21/67, 19/44 and 24/54 μSv. Patient dose values (median/third quartile) were 75/128, 83/176 and 61/159 Gy cm 2 , respectively. The median ratios for dosemeters worn over the apron by operators ( protected by the ceiling-suspended screen) and patient doses were 0.36; 0.21 and 0.46 μSv Gy -1 cm -2 , respectively. With the conservative approach used (lens doses estimated from the over apron chest dosemeter) we came to the conclusion that more than 800 procedures y -1 and per operator were necessary to reach the new lens dose limit for the three interventional specialties. (authors)

  17. Patients and personnel radiation protection in interventional radiology and in surgery

    International Nuclear Information System (INIS)

    Menechal, P.; Valero, M.; Godet, J.L.

    2009-01-01

    The development of the interventional radiology and acts realised under radiological guiding is a real benefit for patients. The doses delivered can however, generate important detriments (determinist effects). the patients and the personnel are exposed to important doses, heterogeneous and very different doses according the operator, the patient morphology and the treated pathology. This theme is considered by the the nuclear safety Authority as a priority in the medical medium. (N.C.)

  18. Central venous catheterization: comparison between interventional radiological procedure and blind surgical reocedure

    International Nuclear Information System (INIS)

    Song, Won Gyu; Jin, Gong Yong; Han, Young Min; Yu, He Chul

    2002-01-01

    To determine the usefulness and safety of radiological placement of a central venous catheter by prospectively comparing the results of interventional radiology and blind surgery. For placement of a central venous catheter, the blind surgical method was used in 78 cases (77 patients), and the interventional radiological method in 56 cases (54 patients). The male to female ratio was 66:68, and the patients' mean age was 48 (range, 18-80) years. A tunneled central venous catheter was used in 74 cases, and a chemoport in 60. We evaluated the success and duration of the procedures, the number of punctures required, and ensuing complications, comparing the results of the two methods. The success rates of the interventional radiological and the blind surgical procedure were 100% and 94.8%, respectively. The duration of central catheterization was 3-395 (mean, 120) day, that of chemoport was 160.9 days, and that of tunneled central venous catheter was 95.1 days. The mean number of punctures of the subclavian vein was 1.2 of interventional radiology, and 2.1 for blind surgery. The mean duration of the interventional radiology and the blind surgical procedure was, respectively, 30 and 40 minutes. The postprocedure complication rate was 27.6% (37 cases). Early complications occurred in nine cases (6.7%): where interventional radiology was used, there was one case of hematoma, and blind surgery gave rise to hematoma (n=2), pneumothorax (n=2), and early deviation of the catheter (n=4). Late complications occurred in 32 cases (23.9%). Interventional radiology involved infection (n=4), venous thrombosis (n=1), catheter displacement (n=2) and catheter obstruction (n=5), while the blind surgical procedure gave rise to infection (n=5), venous thrombosis (n=3), catheter displacement (n=4) and catheter obstruction (n=8). The success rate of interventional radiological placement of a central venous catheter was high and the complication rate was low. In comparison with the blind

  19. Interventional Radiology Techniques for Provision of Enteral Feeding

    International Nuclear Information System (INIS)

    Given, M.F.; Hanson, J.J.; Lee, M.J.

    2005-01-01

    Gastrostomy placement in patients who are unable to maintain their nutrition orally has been attempted using a variety of techniques over the past century. This includes surgical, endoscopic, and, more recently, percutaneous radiologically guided methods. Surgical gastrostomy placement was the method of choice for almost a century, but has since been superseded by both endoscopic and radiological placement. There are a number of indications for gastrostomy placement in clinical practice today, with fewer contraindications due to the recent innovations in technique placement and gastrostomy catheter type. We describe the technique of gastrostomy placement, which we use in our institution, along with appropriate indications and contraindications. In addition, we will discuss the wide variety of catheter types available and their perceived advantages. There remains some debate with regard to gastropexy performance and the use of primary gastrojejunal catheters, which we will address. In addition, we will discuss the advantages and disadvantages of the three major types of gastrostomy placement currently available (i.e., surgical, endoscopic, and radiological) and their associated complications

  20. Staging of uterine cervical cancer with MRI: guidelines of the European Society of Urogenital Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Balleyguier, Corinne [Radiology Department, Institut Gustave Roussy, Villejuif (France); Sala, E. [Radiology Department, Addenbrooke' s Hospital, Cambridge (United Kingdom); Cunha, T. da [Radiology Department, Instituto Portugues de Oncologia de Lisboa Francisco Gentil, Lisbon (Portugal); Bergman, A. [Department of Radiology, Uppsala University Hospital (Sweden); Brkljacic, B. [Department of Diagnostic and Interventional Radiology, University Hospital ' ' Dubrava' ' , Zagreb (Croatia); Danza, F. [Dipartimento di Bioimmaginie Scienze Radiologiche, Universita Cattolica del S. Cuore, Rome (Italy); Forstner, R. [Zentralroentgeninstitut, Landeskliniken Salzburg, Salzburg (Austria); Hamm, B. [Department of Radiology, Charite Humboldt Universitaet, Berlin (Germany); Kubik-Huch, R. [Institut Radiologie, Kantonsspital Baden, Baden (Switzerland); Lopez, C.; Manfredi, R. [Department of Radiology, ' ' A. Gemelli' ' University Hospital, Rome (Italy); McHugo, J. [Department of Radiology, Birmingham Women' s Hospital, Birmingham (United Kingdom); Oleaga, L. [Radiology Department, Hospital Clinic, Barcelona (Spain); Togashi, K. [Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University, Graduate School of Medicine, Kyoto (Japan); Kinkel, K. [Institut de Radiologie, Clinique des Grangettes, Geneva (Switzerland)

    2011-05-15

    To design clear guidelines for the staging and follow-up of patients with uterine cervical cancer, and to provide the radiologist with a framework for use in multidisciplinary conferences. Methods: Guidelines for uterine cervical cancer staging and follow-up were defined by the female imaging subcommittee of the ESUR (European Society of Urogenital Radiology) based on the expert consensus of imaging protocols of 11 leading institutions and a critical review of the literature. The results indicated that high field Magnetic Resonance Imaging (MRI) should include at least two T2-weighted sequences in sagittal, axial oblique or coronal oblique orientation (short and long axis of the uterine cervix) of the pelvic content. Axial T1-weighted sequence is useful to detect suspicious pelvic and abdominal lymph nodes, and images from symphysis to the left renal vein are required. The intravenous administration of Gadolinium-chelates is optional but is often required for small lesions (<2 cm) and for follow-up after treatment. Diffusion-weighted sequences are optional but are recommended to help evaluate lymph nodes and to detect a residual lesion after chemoradiotherapy. Expert consensus and literature review lead to an optimized MRI protocol to stage uterine cervical cancer. MRI is the imaging modality of choice for preoperative staging and follow-up in patients with uterine cervical cancer. (orig.)

  1. The Changing Face of Vascular Interventional Radiology: The Future Role of Pharmacotherapies and Molecular Imaging

    International Nuclear Information System (INIS)

    Tapping, Charles R.; Bratby, Mark J.

    2013-01-01

    Interventional radiology has had to evolve constantly because there is the ever-present competition and threat from other specialties within medicine, surgery, and research. The development of new technologies, techniques, and therapies is vital to broaden the horizon of interventional radiology and to ensure its continued success in the future. In part, this change will be due to improved chronic disease prevention altering what we treat and in whom. The most important of these strategies are the therapeutic use of statins, Beta-blockers, angiotensin-converting enzyme inhibitors, and substances that interfere with mast cell degeneration. Molecular imaging and therapeutic strategies will move away from conventional techniques and nano and microparticle molecular technology, tissue factor imaging, gene therapy, endothelial progenitor cells, and photodynamic therapy will become an important part of interventional radiology of the future. This review looks at these new and exciting technologies

  2. The Changing Face of Vascular Interventional Radiology: The Future Role of Pharmacotherapies and Molecular Imaging

    Energy Technology Data Exchange (ETDEWEB)

    Tapping, Charles R., E-mail: crtapping@doctors.org.uk; Bratby, Mark J., E-mail: mark.bratby@ouh.nhs.uk [Oxford University Hospitals, John Radcliffe Hospital, Department of Radiology (United Kingdom)

    2013-08-01

    Interventional radiology has had to evolve constantly because there is the ever-present competition and threat from other specialties within medicine, surgery, and research. The development of new technologies, techniques, and therapies is vital to broaden the horizon of interventional radiology and to ensure its continued success in the future. In part, this change will be due to improved chronic disease prevention altering what we treat and in whom. The most important of these strategies are the therapeutic use of statins, Beta-blockers, angiotensin-converting enzyme inhibitors, and substances that interfere with mast cell degeneration. Molecular imaging and therapeutic strategies will move away from conventional techniques and nano and microparticle molecular technology, tissue factor imaging, gene therapy, endothelial progenitor cells, and photodynamic therapy will become an important part of interventional radiology of the future. This review looks at these new and exciting technologies.

  3. An observation study of radiation exposure to nurses during interventional radiology procedure

    International Nuclear Information System (INIS)

    Komemushi, Atsushi; Tanigawa, Noboru; Aoki, Atsuko

    2010-01-01

    The purpose of this study was to prospectively measure the level of radiation exposure among nursing staff during interventional radiology procedures. All interventional radiology procedures performed at our institution between April 20 and June 19, 2009 were included in this study. Radiation exposure was measured as the equivalent dose penetrating tissue to a depth of 10 mm using electronic personal dosimeters attached outside (Ha) and inside (Hb) lead aprons. Effective dose (HE) was estimated by calculating from Ha and Hb. In total, data from 68 procedures were included in this study. Four nurses performed 71 nursing cares. The mean Ha was 0.70±1.0 μSv, while the mean Hb was 0.06±0.2 μSv. The mean HE was 0.14±0.3 μSv. The present findings indicate that during interventional radiology procedures, nurses were exposed to very low levels of radiation. (author)

  4. Activity-based cost analysis in catheter-based angiography and interventional radiology

    International Nuclear Information System (INIS)

    Rautio, R.; Keski-Nisula, L.; Paakkala, T.

    2003-01-01

    The aim of this study was to analyse the costs of the interventional radiology unit and to identify the cost factors in the different activities of catheter-based angiographies and interventional radiology. In 1999 the number of procedures in the interventional radiological unit at Tampere University Hospital was 2968; 1601 of these were diagnostic angiographies, 526 endovascular and 841 nonvascular interventions. The costs were analysed by using Activity Based Cost (ABC) analysis. The budget of the interventional unit was approximately 1.8 million Euro. Material costs accounted for 67%, personnel costs for 17%, equipment costs for 14% and premises costs for 2% of this. The most expensive products were endografting of aortic aneurysms, with a mean price of 5291 Euro and embolizations of cerebral aneurysms (4472 Euro). Endografts formed 87.3% of the total costs in endografting and Guglielmi detachable coils accounted for 63.3% of the total costs in embolizations. The material costs formed the majority of the costs, especially in the newest and most complicated endovascular treatments. Despite the high cost of angiography equipment, its share of the costs is minor. In our experience ABC system is suitable for analysing costs in interventional radiology. (orig.)

  5. Derivation of Intervention levels for Protection of the Public in a Radiological Emergency in Korea

    International Nuclear Information System (INIS)

    Lee, Jong Tai; Lee, Goan Yup; Khang, Byung Oui; Oh, Ki Hoon; Kim, Chang Kyu

    2001-01-01

    Intervention levels for protection of the public in a radiological emergency are theoretically derived by the cost-benefit approach with the concept of justification and optimization. Intervention levels on the sheltering, evacuation, temporary relocation and permanent resettlement for protection of the public are estimated with the cost to protective countermeasures and the value from dose averted which are the site specific parameters. As a result, it is confirmed that IAEA guidelines for intervention levels are applicable to the radiological emergency in Korea. Optimum ranges of 5 - 10 mSv/2days for sheltering, 25 - 130 mSv/week for evacuation, 15 - 90 mSv/month for temporary relocation and 600 - 3,500 mSv/lifetime for permanent resettlement for intervention levels are also provided. The result can be applied as useful data to update intervention levels under the theoretical background in Korea

  6. Sedation and patient monitoring in vascular and interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    McDermott, V G.M.; Chapman, M E; Gillespie, I [Royal Infirmary, Edinburgh (United Kingdom)

    1993-08-01

    A postal survey of British and Irish interventional radiologists was carried out in 1991 to assess current practice with respect to sedation and monitoring of patients during angiography and interventional procedures. The response rate was 65%, 49% of patients are fasted prior to angiography and 68% prior to interventional procedures. Radiologists participate in obtaining consent in 60% of cases. Patients are often (50%) sedated for angiography and usually (62-94% depending on the procedure) sedated for interventional procedures. Nurses are present for most procedures, but are given the task of monitoring the patient's vital signs in only 49% of cases. Anaesthetists are present for less than 10% of interventional procedures. The findings indicate a wide variation in practice and a need to standardize practice at a uniform high level. (author).

  7. Estimation of staff lens doses during interventional procedures. Comparing cardiology, neuroradiology and interventional radiology.

    Science.gov (United States)

    Vano, E; Sanchez, R M; Fernandez, J M

    2015-07-01

    The purpose of this article is to estimate lens doses using over apron active personal dosemeters in interventional catheterisation laboratories (cardiology IC, neuroradiology IN and radiology IR) and to investigate correlations between occupational lens doses and patient doses. Active electronic personal dosemeters placed over the lead apron were used on a sample of 204 IC procedures, 274 IN and 220 IR (all performed at the same university hospital). Patient dose values (kerma area product) were also recorded to evaluate correlations with occupational doses. Operators used the ceiling-suspended screen in most cases. The median and third quartile values of equivalent dose Hp(10) per procedure measured over the apron for IC, IN and IR resulted, respectively, in 21/67, 19/44 and 24/54 µSv. Patient dose values (median/third quartile) were 75/128, 83/176 and 61/159 Gy cm(2), respectively. The median ratios for dosemeters worn over the apron by operators (protected by the ceiling-suspended screen) and patient doses were 0.36; 0.21 and 0.46 µSv Gy(-1) cm(-2), respectively. With the conservative approach used (lens doses estimated from the over apron chest dosemeter) we came to the conclusion that more than 800 procedures y(-1) and per operator were necessary to reach the new lens dose limit for the three interventional specialties. © The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  8. Radiology

    International Nuclear Information System (INIS)

    Sykora, A.

    2006-01-01

    In this text-book basic knowledge about radiology, biomedical diagnostic methods (radiography, computer tomography), nuclear medicine and safety and radiation protection of personnel on the radiodiagnostic place of work are presented

  9. Bone age assessment practices in infants and older children among Society for Pediatric Radiology members

    International Nuclear Information System (INIS)

    Breen, Micheal A.; Tsai, Andy; Stamm, Aymeric; Kleinman, Paul K.

    2016-01-01

    Numerous bone age estimation techniques exist, but little is known about what methods radiologists use in clinical practice. To determine which methods pediatric radiologists use to assess bone age in children, and their confidence in these methods. Society for Pediatric Radiology (SPR) members were invited to complete an online survey regarding bone age assessment. Respondents were asked to identify the methods used and their confidence with their technique for the following groups: Infants (<1 year old), 1- to 3-year-olds and 3- to 18-year-olds. Of the 937 SPR members invited, 441 responded (47%). For infants, 70% of respondents use the hand/wrist method of Greulich and Pyle, 27% use a hemiskeleton method (e.g., Sontag or Elgenmark), and 14.4% use the knee method of Pyle and Hoerr. Of these respondents, 34% were not confident with their technique. For 1- to 3-year-olds, 86% used Greulich and Pyle, and 19% used a hemiskeleton method; 21% were not confident with their technique in this age group. For 3- to 18-year-olds, 97% used Greulich and Pyle, and only 6% of respondents were not confident with their technique in this category. A logistic regression analysis demonstrated that the chronological age of the patient had the greatest impact on reader confidence, with the odds ratios for confidence being 4 times greater in the 3- to 18-year-olds category compared to the younger groups. For children older than 3 years, the majority of pediatric radiologists are very confident in their use of Greulich and Pyle for bone age assessment. However a variety of methodologies are used when assessing bone age in infants and younger children, and pediatric radiologists are less confident assessing bone age in these children. This survey highlights the need for a consensus protocol on bone age assessment of younger children and infants that provides readers with a higher degree of confidence. (orig.)

  10. Contemporary imaging: Magnetic resonance imaging, computed tomography, and interventional radiology

    International Nuclear Information System (INIS)

    Goldberg, H.I.; Higgins, C.; Ring, E.J.

    1985-01-01

    In addition to discussing the most recent advances in magnetic resonance imaging (MRI), computerized tomography (CT), and the vast array of interventional procedures, this book explores the appropriate clinical applications of each of these important modalities

  11. Interventional radiology in the management of portal hypertension

    International Nuclear Information System (INIS)

    Punamiya, Sundeep J

    2008-01-01

    From being a mere (though important) diagnostic tool, radiology has evolved to become an integral part of therapy in portal hypertension today. Various procedures are currently available, the choice depending on the etiology and location of disease, the pathoanatomy, and the symptomatology. The main aim of any procedure is to reduce the portal pressure by either direct or indirect methods. This can be achieved with transjugular intrahepatic portosystemic shunt (TIPS), recanalization of the hepatic vein outflow, recanalization of the portal vein and its tributaries, recanalization of dysfunctional portosystemic shunts, partial splenic embolization, and embolization of arterioportal shunts. When any of these procedures cannot be performed due to anatomical or physiological reasons, the symptoms can often be controlled effectively with embolization of varices or balloon-occluded retrograde transvenous obliteration of varices (BRTO). This article briefly describes the procedures, their results, and their current status in the treatment of portal hypertension

  12. Manipulation of mental models of anatomy in interventional radiology and its consequences for design of human–computer interaction

    NARCIS (Netherlands)

    Varga, E.; Pattynama, P.M.T.; Freudenthal, A.

    2012-01-01

    Interventional radiology procedures require extensive cognitive processing from the physician. A set of these cognitive functions are aimed to be replaced by technology in order to reduce the cognitive load. However, limited knowledge is available regarding mental processes in interventional

  13. Interventional Radiology service provision and practice for the management of traumatic splenic injury across the Regional Trauma Networks of England.

    Science.gov (United States)

    Hughes, Jane; Scrimshire, Ashley; Steinberg, Laura; Yiannoullou, Petros; Newton, Katherine; Hall, Claire; Pearce, Lyndsay; Macdonald, Andrew

    2017-05-01

    The management of blunt splenic injuries (BSI) has evolved toward strategies that avoid splenectomy. There is growing adoption of interventional radiology (IR) techniques in non-operative management of BSI, with evidence suggesting a corresponding reduction in emergency laparotomy requirements and increased splenic preservation rates. Currently there are no UK national guidelines for the management of blunt splenic injury. This may lead to variations in management, despite the reorganisation of trauma services in England in 2012. A survey was distributed through the British Society of Interventional Radiologists to all UK members aiming to identify availability of IR services in England, radiologists' practice, and attitudes toward management of BSI. 116 responses from respondents working in 23 of the 26 Regional Trauma Networks in England were received. 79% provide a single dedicated IR service but over 50% cover more than one hospital within the network. All offer arterial embolisation for BSI. Only 25% follow guidelines. In haemodynamically stable patients, an increasing trend for embolisation was seen as grade of splenic injury increased from 1 to 4 (12.5%-82.14%, pSplenic embolisation is offered for a variety of injury grades, providing the patient remains stable. Variation in interventional radiology services remain despite the introduction of regional trauma networks. Copyright © 2017 Elsevier Ltd. All rights reserved.

  14. In the Lead Again Horizontal-Ellipsis [Journal of Cardiovascular and Interventional Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Vorwerk, Dierk, E-mail: dierk.vorwerk@klinikum-ingolstadt.de [Ingolstadt Hospital, Department of Diagnostic and Interventional Radiology (Germany)

    2013-10-15

    The 2013 ISI journal rankings are out and it is my pleasure to inform our readership that CVIR ranks 43/120 (2012: 46/118) journals in the field of radiology. The 2013 impact factor further improved to 2.138 (2012: 2.093). This means that Cardiovascular and Interventional Radiology again continues to be the highest ranked journal dedicated to the field of interventional radiology in 2013.This is mainly due to the great support we achieve by you as authors and readers of CVIR, your dedication to the profession, and your loyalty both to the journal and to CIRSE. For all of this, we owe you our thanks and respect.

  15. Education and training in radiological protection for diagnostic and interventional procedures ICRP 113 in brief

    International Nuclear Information System (INIS)

    Salama, S.; Gomaa, M. A.; Alshoufi, J.H.

    2013-01-01

    The international commission on radiological protection (ICRP) is the primary body in protection against ionizing radiation. Among its latest publication is ICRP publication 113 e ducation and training in radiological protection for diagnostic and interventional procedures . This document introduces diagnostic and interventional medical procedures using ionizing radiations in deep details. The document is approved by the commission in October 2010 and translated into Arabic at December 2011. This work is a continuation of the efforts series to translate some of the most important of the radiological protection references into the Arabic; aiming to maximize the benefit. The previous translation include WHO handbook on indoor radon: a public health perspective, issued by world health organization 2009 and Radiation Protection in Medicine, ICRP Publication 105 2007 that translated into Arabic with support of Arab atomic energy authority at 2011.

  16. Study on Generic Intervention Levels for Protecting the Public in a Nuclear Accident or Radiological Emergency

    International Nuclear Information System (INIS)

    Suzuki, E. F.; Sordi, G. M. A. A.; Rodrigues, D. L.

    2004-01-01

    Large amounts of radioactive material can be released to the environment in a nuclear accident or radiological emergency. In these cases, social and economical factors should be considered in the actions for protecting the public and to recover the environment, as these actions may affect not only the exposed individuals but also the society as a whole, because of the social impact and high costs. In 1994, the International Atomic Energy Agency, IAEA, published the radiological protection principles for intervention criteria in accident situations involving radioactive materials, as well as numeric values for the generic intervention levels, GIL, for the main countermeasures for protecting the public. These GIL values were selected to achieve broadly the maximum net benefit in many accident situations and, nowadays, those principles still represent the international consensus about this matter. On the other hand, the economic differences between countries can lead the optimization process to get GIL values that are quite different from those recommended. In this context, the monetary value of unit collective averted dose, called alpha-value, is a key element for the determination of the GIL. In this work, the method recommended by the IAEA, based on the human capital approach, was used to estimate the alpha-value for Brazil and the value of US$ 3268 per person-sievert was obtained, considering the year 2000 prices. The per capita costs of the countermeasures for protecting the public, as sheltering, evacuation, temporary relocation and permanent resettlement, were estimated and the cost-benefit analysis technique was applied to estimate the respective GIL applicable in the country. Some of the results for the GILs were smaller than those internationally recommended, even the alpha-value being about six times lower than the alpha-value considered by the IAEA. These results were discussed and they were also compared to values estimated by a similar study accomplished

  17. Changes in the American Interventional Radiology Literature: Comparison over a 10-Year Time Period

    International Nuclear Information System (INIS)

    Ray, Charles E.; Gupta, Rajan; Blackwell, John

    2006-01-01

    Purpose. To determine the changes that occurred regarding interventional radiologic research in the major American radiology journals between 1992-1993 and 2002-2003. Methods. Articles published in three major American radiology journals (Journal of Vascular and Interventional Radiology, American Journal of Roentgenology, and Radiology) during two distinct 24-month time periods (1992-1993 and 2002-2003) were evaluated. All articles judged to be pertinent to the interventional radiologic community were included. Investigations included in journal subheadings other than 'interventional' or 'vascular radiology' were included if the emphasis of the article was on a vascular imaging modality or peripheral intervention. Exclusions included: case reports, technical reports, letters to the editor, breast interventions, and primary neurointerventions. Data were collected regarding the affiliations of the primary author (nationality, hospital type, department); primary category of interest of the investigation; funding information; and study design variables. Two-by-two chi-squared statistical analyses were performed comparing the variables from the early and late data sets. Results. A total of 405 articles met the inclusion criteria for the early data set (1992-1993); 488 articles met the inclusion criteria for the late data set (2002-2003). Variables that demonstrated a statistically significant decrease from the early data set to the late data set included: articles in which the primary author was from a department of radiology (91.1% vs. 86.3%; p < 0.025); articles written by a primary author who was American (69.4% vs. 44.6%; p < 0.001); and articles with a primary category of investigation that had a nonvascular intervention focus (22.7% vs. 11.9%; p < 0.001). Variables that demonstrated a statistically significant increase from the early data set to the late data set included primary authors from Western Europe (18.0% vs. 30.1%; p < 0.001) and Asia (6.6% vs. 18.4%; p

  18. Computer-based information management system for interventional radiology

    International Nuclear Information System (INIS)

    Forman, B.H.; Silverman, S.G.; Mueller, P.R.; Hahn, P.F.; Papanicolaou, N.; Tung, G.A.; Brink, J.A.; Ferrucci, J.T.

    1989-01-01

    The authors authored and implemented a computer-based information management system (CBIMS) for the integrated analysis of data from a variety of abdominal nonvascular interventional procedures. The CBIMS improved on their initial handwritten-card system (which listed only patient name, hospital number, and type of procedure) by capturing relevant patient data in an organized fashion and integrating information for meaningful analysis. Advantages of CBIMS include enhanced compilation of monthly census, easy access to a patient's interventional history, and flexible querying capability that allows easy extraction of subsets of information from the patient database

  19. Interventional radiological treatment of renal transplant complications: A pictorial review

    Energy Technology Data Exchange (ETDEWEB)

    Lezzi, Roberto; La, Torre Michele fabio; Santoro, Marco; Dattesi, Robrta; Nestola, Massimiliano; Posa, Alessandro; Romagnoli, Jacopo; CItterio, Franco; Bonomo, Lorenzo [' A. Gemelli' Hospital - Catholic University, Rome (Italy)

    2015-06-15

    Renal transplantation is the treatment of choice for patients with chronic renal failure, which produces a dramatic improvement in the quality of life and survival rates, in comparison to long-term dialysis. Nowadays, new imaging modalities allow early diagnosis of complications, and thanks to the recent developments of interventional techniques, surgery may be avoided in most cases. Knowledge in the types of renal transplant complications is fundamental for a correct pre-operative planning. In this article, we described the most common or clinically relevant renal transplant complications and explained their interventional management.

  20. Study on generic intervention levels for protecting the public in a nuclear accident or radiological emergency

    International Nuclear Information System (INIS)

    Suzuki, Fabio Fumio

    2003-01-01

    After a nuclear accident or radiological emergency, several social and economical factors shall be considered for the actions to protect the public and to recover the environment. The application of the radiological protection principles on practices in intervention situations may lead to adoption of protective measures disproportional to the involved risk, compromising the resources available to more effective actions. This causes a negative impact on the population and may conduct to discredit about the protective measures and the lost of confidence on the authorities. In this context, the principles of radiological protection for interventions should be studied and analyzed for being adequately applied in accident situations or radiological emergencies that involves the country. These principles are constantly improved and the concept of generic intervention level plays an important role in the decision-making to protect the public. The costs involved to the protective measures for the public in Brazil were studied and cost benefit analysis techniques were applied to estimate the generic intervention levels for public protection applicable in the country. These results were compared to those values internationally recommended, as well to values obtained in a similar study accomplished for Japan. It was also performed a sensibility analysis of the results regarding a value and a simple analysis of the results considering the costs of the several protective measures. (author)

  1. Intervention of the army health service in the case of radiological accident in peace time

    International Nuclear Information System (INIS)

    Curet, P.M.; Croq, M.

    2001-01-01

    The Army Health Service has conceived an organisation and has at its disposal the means necessary to answer the consequences of an accident having a radiological type in peace time in the military field. Its intervention area can be extended to the civil medium at the public authorities demand to give assistance. (N.C.)

  2. Radiology

    International Nuclear Information System (INIS)

    Meyers, M.A.

    1989-01-01

    This paper reports on disease processes originating within the alimentary tract, may extend through the extraperitoneal spaces, and abnormalities primarily arising within other extraperitoneal sites may significantly affect the bowel. Symptoms and signs may be obscure, delayed, or nonspecific, and the area is generally not accessible to auscultation, palpation, or percussion. Radiologic evaluation thus plays a critical role

  3. Status of radiation protection in interventional radiology. Assessment of inspections in 2009 by the ASN

    International Nuclear Information System (INIS)

    2011-01-01

    This report first describes the organization of inspections performed in health institutions, indicates the inspected establishments, the types of fixed installations in interventional radiology, the use of imagery in the operating theatre, and discusses the regulatory arrangements applicable to interventional radiology (in the Public Health Code, in the Labour Code). Then, the report discusses the results of inspections regarding radiation protection in interventional radiology: application of public health code arrangements (justification, patient training in radiation protection, radiological procedures and protocols, patient dosimetry monitoring), application of Labour Code arrangements (designation of the person with expertise in radiation protection, risk assessment and delimitation of monitored and controlled areas, workstation analysis, workers' training in radiation protection, individual protection equipment, workers' dosimetric monitoring, workers' medical monitoring, radiation protection technical controls), significant events, radiation protection in operating theatre. Propositions are stated regarding the differences noticed within or between the health establishments, the methodological and organisational difficulties faced by persons with expertise in radiation protection (PCR), the need of an interdisciplinary team

  4. STRAPIR, an European initiative for optimizing radiation protection in interventional radiology

    International Nuclear Information System (INIS)

    Vano, E.; Gonzalez, L.; Loon, R. van; Padovani, R.; Maccia, C.; Eggermont, G.

    1997-01-01

    In 1995, a European initiative for optimizing radiation protection in interventional radiology was proposed by 8 research groups. The project acronym was STPAPIR (Staff Radiation Protection in Interventional Radiology). Interventional Radiology involves an important number of specialists and their risk level is not well known, since dosimetric records exhibit important discrepancies. Many professionals using these techniques are not radiologists and the basic rules of radiation protection, known by radiologists, are not always correctly and completely followed, hence the use of protection devices is not as regular as desirable. Additionally, x-ray systems not specifically designed for interventional procedures are still used in many hospitals, what entails a significant occupational risk increase to the specialists. Some relevant questions for regulatory bodies are presented, namely, reliability of the actual data banks for occupational dosimetry, use of two personal dosimeters for assessing effective dose, actions to strengthen the systematic use of personal dosimeters and protection tools, proposals for specific training in radiation protection and use of x-ray systems specifically designed for interventional procedures, publication of reports about accidents and incidents, are also discussed. (author)

  5. 2014 Korean Guidelines for Appropriate Utilization of Cardiovascular Magnetic Resonance Imaging: A Joint Report of the Korean Society of Cardiology and the Korean Society of Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Yoon, Yeonyee E. [Department of Cardiology, Cardiovascular Center, Seoul National University Bundang Hospital, Seongnam 463-707 (Korea, Republic of); Hong, Yoo Jin [Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul 120-752 (Korea, Republic of); Kim, Hyung-Kwan [Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University College of Medicine, Seoul National University Hospital, Seoul 110-744 (Korea, Republic of); Kim, Jeong A [Department of Radiology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang 411-706 (Korea, Republic of); Na, Jin Oh [Cardiovascular Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul 152-703 (Korea, Republic of); Yang, Dong Hyun [Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736 (Korea, Republic of); Kim, Young Jin [Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul 120-752 (Korea, Republic of); Choi, Eui-Young [Division of Cardiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 135-720 (Korea, Republic of)

    2014-07-01

    Cardiac magnetic resonance (CMR) imaging is now widely used in several fields of cardiovascular disease assessment due to recent technical developments. CMR can give physicians information that cannot be found with other imaging modalities. However, there is no guideline which is suitable for Korean people for the use of CMR. Therefore, we have prepared a Korean guideline for the appropriate utilization of CMR to guide Korean physicians, imaging specialists, medical associates and patients to improve the overall medical system performances. By addressing CMR usage and creating these guidelines we hope to contribute towards the promotion of public health. This guideline is a joint report of the Korean Society of Cardiology and the Korean Society of Radiology.

  6. 2014 Korean guidelines for appropriate utilization of cardiovascular magnetic resonance imaging: A joint report of the Korean Society of Cardiology and the Korean Society of Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Yoon, Yeon Yee E. [Dept. of Cardiology, Cardiovascular Center, Seoul National University Bundang Hospital, Seoul (Korea, Republic of); Hong, Yoo Jin; Choi, Eui Young [Dept. of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul (Korea, Republic of); and others

    2015-04-15

    The use of cardiac magnetic resonance (CMR) imaging is increasing for the assessment of certain cardiovascular diseases, due to recent technical developments. CMR can give physicians information that cannot be found with other imaging modalities. However, there has been no guideline for the use of CMR in Korean people. Therefore, we have prepared a Korean guideline for the appropriate utilization of CMR to guide Korean physicians, imaging specialists, medical associates, and patients to improve the overall performances in medical system. By addressing CMR usage and creating these guidelines, we hope to contribute to the promotion of public health. This guideline is a joint report of the Korean Society of Cardiology and the Korean Society of Radiology.

  7. 2014 Korean guidelines for appropriate utilization of cardiovascular magnetic resonance imaging: A joint report of the Korean Society of Cardiology and the Korean Society of Radiology

    International Nuclear Information System (INIS)

    Yoon, Yeon Yee E.; Hong, Yoo Jin; Choi, Eui Young

    2015-01-01

    The use of cardiac magnetic resonance (CMR) imaging is increasing for the assessment of certain cardiovascular diseases, due to recent technical developments. CMR can give physicians information that cannot be found with other imaging modalities. However, there has been no guideline for the use of CMR in Korean people. Therefore, we have prepared a Korean guideline for the appropriate utilization of CMR to guide Korean physicians, imaging specialists, medical associates, and patients to improve the overall performances in medical system. By addressing CMR usage and creating these guidelines, we hope to contribute to the promotion of public health. This guideline is a joint report of the Korean Society of Cardiology and the Korean Society of Radiology.

  8. Sedoanalgesia in interventional radiology; Analgosedierung in der interventionellen Radiologie

    Energy Technology Data Exchange (ETDEWEB)

    Linsenmaier, U.; Pfeifer, K.J.; Reiser, M. [Klinikum der Universitaet Muenchen, Muenchen (Germany). Inst. fuer Klinische Radiologie; Wagner, P. [Klinikum der Universitaet Muenchen, Muenchen (Germany). Inst. fuer Anaesthesiologie und Intensivmedizin; Ambulantes Operationszentrum, Muenchen Pasing (Germany)

    2002-02-01

    Purpose: Development of a save and effective protocol for analgosedation of patients undergoing painful interventional procedures. Material and Methods: In a prospective trial a consecutive series of 72 adult patients underwent analgosedation during painful interventions. A radiologist performed the analgosedation, the patients received a combination of a shortly effective piperidine derivative (Alfentanil [Rapifen {sup trademark} ]; 7.5-15 {mu}g/kg body weight) and Benzodiazepine (midazolam [Dormicum {sup trademark} ]; 20 {mu}g/kg body weight). After pre-procedure oxygenation patients were continuously monitored. Pain and discomfort were scored using an established visual-analog pain score (0-10). A control group (n=24) had received midazolam, pentazocine or fentanyl according to the study protocol. Results: All procedures could be carried out by an interventional radiologist and a nurse and/or technologist only. In 69/72 cases adequate analgosedation could be achieved. Injection of alfentanil was titrated, with a rapid onset and short acting effect of the analgesia. Patients reported an average pain score of 2.6 vs. 4.5 in the control group. Over 55% experienced no or mild pain (score 0-3), in the control group only 8% reached this level. Conclusion: A combination of shortly effective alfentanil and midazolam allows interventional radiologists to perform major procedures alone under effective analgosedation. This medication scheme is superior to the medication upon demand. (orig.) [German] Ziel: Die Entwicklung eines einfach zu handhabenden Protokolls fuer Radiologen zur Analgosedierung bei schmerzhaften interventionellen Eingriffen. Methoden: Prospektiv wurden 72 konsekutive Patienten zusammengefasst, bei denen schmerzhafte interventionelle Eingriffe geplant waren. Die Anlagosedierung erfolgte mit einer Kombinationsmedikation aus kurzwirksamem Piperidinderivat (Alfentanil [Rapifen {sup trademark} ]; 7,5-15 {mu}g/kg KG) und Benzodiazepin (Midazolam [Dormicum {sup

  9. Pediatric interventional radiology with 3D rotational angiography

    International Nuclear Information System (INIS)

    Racadio, J.M.

    2004-01-01

    Rotational angiography with three-dimensional reconstruction vastly improves spatial orientation, eliminating guesswork during interventions. The 3D images help to define the anatomy more accurately, particularly in the case of overlapping tortuous anatomy such as that encountered in genitourinary abnormalities. The procedures are performed on a Philips Integris Allura biplane system with two 12'' image intensifiers. Although radiologists are trained to assemble multiple oblique views in their minds, that vision is often hard to convey to a waiting surgeon. The 3D images give a much better impression of the spatial relationships, saving valuable time and giving added security. (orig.)

  10. Radiologic management of haemoptysis. Diagnostic and interventional bronchial arterial embolisation

    Energy Technology Data Exchange (ETDEWEB)

    Ittrich, H.; Adam, G. [Univ. Medical Center Hamburg, Hamburg (Germany). Diagnostic and Interventional Radiology Dept. and Clinic; Klose, H. [Univ. Medical Center Hamburg, Hamburg (Germany). Section Pneumology

    2015-04-15

    Hemoptysis can be a life-threatening pulmonary emergency with high mortality, is symptomatic of an underlying severe pulmonary disease and requires immediate diagnosis and treatment. Diagnostically, bronchoscopy, conventional chest x-ray and contrast-enhanced multislice computed tomography (MSCT) with CT angiography (CTA) provide information regarding the underlying pulmonary disease, bleeding site, the vascular anatomy of the bronchial arteries (BA) and extrabronchial branches, as well a basis for planning of endovascular intervention. Therapeutically, bronchial artery embolization (BAE) is a safe and effective technique in the hands of an experienced interventionist with profound knowledge of the BA anatomy and possible pitfalls as well as experience with first-line therapy of recurrent and massive hemoptysis or as an intervention prior to elective surgery. Recurrent episodes of hemoptysis are not uncommon and require a prompt repeat BAE after exclusion of extrabronchial systemic and pulmonary artery bleeding sources. This review article should give an overview of the history, anatomical and pathophysiological basics and the clinical context of hemoptysis and diagnosis, as well as a survey of management, treatment and results of BAE.

  11. [Interventional radiology in treatment of biliodigestive anastomoses strictures].

    Science.gov (United States)

    Okhotnikov, O I; Yakovleva, M V; Grigoriev, S N

    2016-01-01

    To analyze efficacy of interventional methods via antegrade transhepatic approach in treatment of patients with strictures of biliodigestive anastomoses. 24 patients aged 47.2 years were treated for the period 2002-2015. Average time from extrahepatic biliary reconstruction using transhepatic stented tubes to strictures appearance varied from 9 months to 12 years. One- and double-sided percutaneous transhepatic cholangiostomy was performed to abort biliary hypertension. Stricture recanalization was achieved using «catheter-wire» system. Antegrade dilatation of stricture was made using balloon catheter 8 mm and pressure up to 6 atm and stage exposition up to 10 minutes. Balloon repair of anastomosis was supplemented by stented outer-inner drainage of the area of stricture. Restoration of patency of stricture area using antegrade interventional methods was effective in 22 patients. Recurrent stricture occurred in 2 cases within 1.5 years that required repeated biliary reconstruction including antegrade extraction of blocked uncovered stent in 1 patient. There were no major postoperative complications and deaths. Maximal recurrence-free follow-up after stent installation was 11 years.

  12. Clinical indications for computed tomographic colonography: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline

    Energy Technology Data Exchange (ETDEWEB)

    Spada, Cristiano; Barbaro, Federico; Petruzziello, Lucio [Catholic University, Digestive Endoscopy Unit, Rome (Italy); Stoker, Jaap; Haan, Margriet C. de [University of Amsterdam, Department of Radiology, Academic Medical Center, Amsterdam (Netherlands); Alarcon, Onofre [Universidad de La Laguna, Department of Gastroenterology, Hospital Universitario de Canarias, Facultad de Medicina, La Laguna, Tenerife (Spain); Bellini, Davide; Laghi, Andrea [Sapienza University of Rome, I.C.O.T. Hospital, Department of Radiological Sciences, Oncology and Pathology, Latina (Italy); Bretthauer, Michael [Oslo University Hospital, Department of Health Economy and Health Management, University of Oslo, and Department of Transplantation Medicine, Gastroenterology Unit, Oslo (Norway); Dumonceau, Jean-Marc [Gedyt Endoscopy Center, Buenos Aires (Argentina); Ferlitsch, Monika [Medical University of Vienna, Department of Internal Medicine III, Division of Gastroenterology and Hepatology, Vienna (Austria); Halligan, Steve; Helbren, Emma; Plumb, Andrew; Taylor, Stuart A. [University College London, Centre for Medical Imaging, London (United Kingdom); Hellstrom, Mikael [Sahlgrenska University Hospital and Sahlgrenska Academy at University of Gothenburg, Department of Radiology, Gothenburg (Sweden); Kuipers, Ernst J. [Erasmus MC University Medical Center, Department of Gastroenterology and Hepatology, Rotterdam (Netherlands); Lefere, Philippe [Virtual Colonoscopy Teaching Centre, Hooglede (Belgium); AZ Delta, Roeselare (Belgium); Mang, Thomas [Medical University of Vienna, Department of Biomedical Imaging and Image-guided Therapy, Vienna (Austria); Neri, Emanuele [University of Pisa, Diagnostic and Interventional Radiology, Pisa (Italy); Regge, Daniele [Institute for Cancer Research and Treatment, Candiolo-Torino (Italy); Hassan, Cesare [Catholic University, Digestive Endoscopy Unit, Rome (Italy); Ospedale Nuovo Regina Margherita, Department of Gastroenterology, Rome (Italy)

    2014-10-03

    Colorectal cancer (CRC) is a major cause of morbidity and mortality [1, 2]. CRC screening by fecal occult blood testing (FOBT) has been shown to reduce CRC mortality [3, 4], and is currently used in several European countries. Colonoscopy is highly effective for detecting advanced neoplasia, and endoscopic polypectomy reduces subsequent CRCspecific incidence and mortality [5]. In Europe, colonoscopy is mainly used to investigate FOBT-positive or symptomatic patients, or as a preventive strategy in those with increased CRC risk [6]. Computed tomographic colonography (CTC) is a minimally invasive imaging technique that is highly accurate for detecting colorectal cancer (CRC) and adenomatous polyps. The technique is standardized [7], and CTC is more easily performed than barium enema. Evidence-based data suggest that CTC is the natural replacement for barium enema and a complementary rather than an alternative examination to colonoscopy. However, the clinical scenarios for which CTC is indicated remain unclear. To address this uncertainty - 20 years after the first presentation of CTC at a radiological meeting [8] - the European Society of Gastrointestinal Endoscopy (ESGE) and the European Society of Gastrointestinal and Abdominal Radiology (ESGAR) decided to produce a common guideline regarding indications for CTC in clinical practice. Technical and quality issues of CTC have been deliberately excluded from this work as these have already been discussed separately [7].

  13. Clinical indications for computed tomographic colonography: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline

    International Nuclear Information System (INIS)

    Spada, Cristiano; Barbaro, Federico; Petruzziello, Lucio; Stoker, Jaap; Haan, Margriet C. de; Alarcon, Onofre; Bellini, Davide; Laghi, Andrea; Bretthauer, Michael; Dumonceau, Jean-Marc; Ferlitsch, Monika; Halligan, Steve; Helbren, Emma; Plumb, Andrew; Taylor, Stuart A.; Hellstrom, Mikael; Kuipers, Ernst J.; Lefere, Philippe; Mang, Thomas; Neri, Emanuele; Regge, Daniele; Hassan, Cesare

    2015-01-01

    Colorectal cancer (CRC) is a major cause of morbidity and mortality [1, 2]. CRC screening by fecal occult blood testing (FOBT) has been shown to reduce CRC mortality [3, 4], and is currently used in several European countries. Colonoscopy is highly effective for detecting advanced neoplasia, and endoscopic polypectomy reduces subsequent CRCspecific incidence and mortality [5]. In Europe, colonoscopy is mainly used to investigate FOBT-positive or symptomatic patients, or as a preventive strategy in those with increased CRC risk [6]. Computed tomographic colonography (CTC) is a minimally invasive imaging technique that is highly accurate for detecting colorectal cancer (CRC) and adenomatous polyps. The technique is standardized [7], and CTC is more easily performed than barium enema. Evidence-based data suggest that CTC is the natural replacement for barium enema and a complementary rather than an alternative examination to colonoscopy. However, the clinical scenarios for which CTC is indicated remain unclear. To address this uncertainty - 20 years after the first presentation of CTC at a radiological meeting [8] - the European Society of Gastrointestinal Endoscopy (ESGE) and the European Society of Gastrointestinal and Abdominal Radiology (ESGAR) decided to produce a common guideline regarding indications for CTC in clinical practice. Technical and quality issues of CTC have been deliberately excluded from this work as these have already been discussed separately [7].

  14. Interventional radiology of malignant biliary obstruction complication and treatment

    International Nuclear Information System (INIS)

    Zhai Renyou; Huang Qiang

    2007-01-01

    Intervetional therapy as an important therapeutic method for malignant biliary obstruction has been used extensively, but there still remain some problems worthy for our emphasis and research. We retrospectively reviewed more than 800 patients with malignant obstructive jaundice during 12 years. Indications, contraindications, complications and corresponding treatment methods were studied. Furthermore, discussion including methods of biliary drainage, proper time of stent implantation, methods of anesthesia, usage of antibiotics and haemostat were also carded out. Use of analgesics (pain-suppressal) pre- and post procedure, development of acute pancreatitis and its management, and peri-operative mortality were further investigated in detail. We hope our experiences and lessons would give interventional doctors some help in their career. (authors)

  15. Needs-Based Innovation in Interventional Radiology: The Biodesign Process.

    Science.gov (United States)

    Steinberger, Jonathan D; Denend, Lyn; Azagury, Dan E; Brinton, Todd J; Makower, Josh; Yock, Paul G

    2017-06-01

    There are many possible mechanisms for innovation and bringing new technology into the marketplace. The Stanford Biodesign innovation process is based in a deep understanding of clinical unmet needs as the basis for focused ideation and development. By identifying and vetting a compelling unmet need, the aspiring innovator can "derisk" a project and maximize chances for successful development in an increasingly challenging regulatory and economic environment. As a specialty founded by tinkerers, with a history of disruptive innovation that has yielded countless new ways of delivering care with minimal invasiveness, lower morbidity, and lower cost, interventional radiologists are uniquely well positioned to identify unmet needs and develop novel solutions free of dogmatic convention. Copyright © 2017 Elsevier Inc. All rights reserved.

  16. Radiological Protection in Transition. Proceedings of the 14. Regular Meeting of the Nordic Society for Radiation Protection, NSFS

    International Nuclear Information System (INIS)

    Valentin, J.; Cederlund, T.; Drake, P.; Finne, I.E.; Glansholm, A.; Jaworska, A.; Paile, W.; Rahola, T.

    2005-09-01

    These proceedings comprise the papers and posters presented at the 14th Regular Meeting of the Nordic Society for Radiation Protection, the theme of which was 'Radiological protection in transformation'. There were sessions on international developments and stakeholder involvement, on education, training, and measurements, on emergencies, on nuclear installations, on non-ionising radiation, on medical radiation, on industrial uses of radiation, on radiobiology, on natural sources of radiation, on non-nuclear waste, on NKS (Nordic Nuclear Safety Research), on radioecology and artificial radionuclides in the environment, and on regulatory and international activities. In addition to invited lectures and proffered papers, there were educational primer lessons in the mornings and several roundtable discussions. In all, there were almost 100 contributions from participants representing at least 10 different countries. The range of different topics covered, the scientific quality of the contributions, and the interest shown in this meeting reflect the high standing of radiological protection in the Nordic countries

  17. Radiological Protection in Transition. Proceedings of the 14. Regular Meeting of the Nordic Society for Radiation Protection, NSFS

    Energy Technology Data Exchange (ETDEWEB)

    Valentin, J; Cederlund, T; Drake, P; Finne, I E; Glansholm, A; Jaworska, A; Paile, W; Rahola, T [eds.

    2005-09-01

    These proceedings comprise the papers and posters presented at the 14th Regular Meeting of the Nordic Society for Radiation Protection, the theme of which was 'Radiological protection in transformation'. There were sessions on international developments and stakeholder involvement, on education, training, and measurements, on emergencies, on nuclear installations, on non-ionising radiation, on medical radiation, on industrial uses of radiation, on radiobiology, on natural sources of radiation, on non-nuclear waste, on NKS (Nordic Nuclear Safety Research), on radioecology and artificial radionuclides in the environment, and on regulatory and international activities. In addition to invited lectures and proffered papers, there were educational primer lessons in the mornings and several roundtable discussions. In all, there were almost 100 contributions from participants representing at least 10 different countries. The range of different topics covered, the scientific quality of the contributions, and the interest shown in this meeting reflect the high standing of radiological protection in the Nordic countries.

  18. Radiological Protection in Transition. Proceedings of the 14. Regular Meeting of the Nordic Society for Radiation Protection, NSFS

    Energy Technology Data Exchange (ETDEWEB)

    Valentin, J.; Cederlund, T.; Drake, P.; Finne, I.E.; Glansholm, A.; Jaworska, A.; Paile, W.; Rahola, T. (eds.)

    2005-09-01

    These proceedings comprise the papers and posters presented at the 14th Regular Meeting of the Nordic Society for Radiation Protection, the theme of which was 'Radiological protection in transformation'. There were sessions on international developments and stakeholder involvement, on education, training, and measurements, on emergencies, on nuclear installations, on non-ionising radiation, on medical radiation, on industrial uses of radiation, on radiobiology, on natural sources of radiation, on non-nuclear waste, on NKS (Nordic Nuclear Safety Research), on radioecology and artificial radionuclides in the environment, and on regulatory and international activities. In addition to invited lectures and proffered papers, there were educational primer lessons in the mornings and several roundtable discussions. In all, there were almost 100 contributions from participants representing at least 10 different countries. The range of different topics covered, the scientific quality of the contributions, and the interest shown in this meeting reflect the high standing of radiological protection in the Nordic countries.

  19. S3 Guideline. Diagnosis and treatment of colorectal carcinoma. Relevance for radiologic imaging and interventions; Aktualisierte S3-Leitlinie zur Diagnostik und Therapie des kolorektalen Karzinoms. Bedeutung fuer die radiologische Diagnostik und Intervention

    Energy Technology Data Exchange (ETDEWEB)

    Vogl, T.J.; Fischer, S. [Universitaetsklinikum Frankfurt (Germany). Inst. fuer Diagnostische und Interventionelle Radiologie; Schmiegel, W.; Pox, C. [Bochum Univ. (Germany). Medizinische Universitaetsklinik; Pereira, P.L. [SLK Kliniken, Heilbronn (Germany). Klinik fuer Radiologie, Minimal-Invasive Therapien und Nuklearmedizin; Brambs, H.J. [Universitaetsklinikum Ulm (Germany). Klinik fuer Diagnostische und Interventionelle Radiologie; Lux, P. [Universitaetsklinikum Erlangen (Germany). Chirurgische Klinik

    2013-08-15

    The new German S3 guideline 'Colorectal Carcinoma' was created as part of the German Guideline Program in Oncology of the Association of the Scientific Medical Societies in Germany, the German Cancer Society and the German Cancer Aid under the auspices of the German Society for Digestive and Metabolic Diseases and replaces the guideline from 2008. With its evidence-based treatment recommendations, the guideline contains numerous updates and detailed definitions regarding the diagnosis and treatment of colon and rectal cancer. In particular, consensus-based recommendations regarding early detection, preoperative diagnostic method selection, and the use of interventional radiological treatment methods are detailed. The guideline also includes quality indicators so that standardized quality assurance methods can be used to optimize patient-related processes. The present article discusses the significance of the current recommendations for radiological diagnosis and treatment and is intended to enhance the quality of patient information and care by increasing distribution. (orig.)

  20. European Society of Pediatric Radiology, 32nd congress, Utrecht, The Netherlands, May 18-20, 1995. Abstracts of oral presentations and poster presentations

    International Nuclear Information System (INIS)

    Kramer, P.P.G.

    1996-01-01

    The present issue of the journal contains all the oral presentations and poster presentations of the 32nd Congress of the European Society of Pediatric Radiology. The beadings of the oral presentations were as follows: Introgenic disorders. (MG)

  1. 38{sup th} European Society of Neuroradiology. Diagnostic and interventional

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2015-09-15

    The volume contains abstracts of the 38th ESNR annual meeting covering the following topics: advanced tumor imaging, advanced tumor treatment, intracranial aneurisms, spine tumors and metastasis, spondilodiscitis update, interventional neuroradiology, dementia and movement disorders, intracranial vessel evaluation beyond morphology, neuroradiology - diagnostics, aneurysm treatment, publishing a paper and ideas, pain and sleep disturbances, neuroradiological treatment of CF syndrome, diffusion tractography: research advancements and clinical applications.

  2. 38th European Society of Neuroradiology. Diagnostic and interventional

    International Nuclear Information System (INIS)

    2015-01-01

    The volume contains abstracts of the 38th ESNR annual meeting covering the following topics: advanced tumor imaging, advanced tumor treatment, intracranial aneurisms, spine tumors and metastasis, spondilodiscitis update, interventional neuroradiology, dementia and movement disorders, intracranial vessel evaluation beyond morphology, neuroradiology - diagnostics, aneurysm treatment, publishing a paper and ideas, pain and sleep disturbances, neuroradiological treatment of CF syndrome, diffusion tractography: research advancements and clinical applications.

  3. Evaluation of medical and occupational exposures in interventional radiology

    International Nuclear Information System (INIS)

    Maekoshi, Hisashi; Ishiguchi, Tsuneo; Tsuzaka, Masatoshi; Tamiya, Tadashi; Nakamura, Kiyoko.

    1992-01-01

    Absorbed radiation doses received by patients and personnel during interventional procedures were estimated in this study. An Angiostar, a fluoroscopy x-ray unit, made by Siemens Co. Ltd. was used. Fluoroscopic conditions were 82 to 112 kV of tube voltage and 2.5 to 4.3 mA of tube current. The absorbed doses to the ovaries were measured in a Mix-Dp phantom after the image intensifier's field size was changed from 40 cm to 14 cm in diameter. X-ray scattering dose distributions in the vicinity of the fluoroscopy table were measured by an ionization survey meter. This measurement was carried out concurrently with the above x-ray exposure conditions. Patient and personnel exposure increased in relation to the decreased field size. These medical and occupational exposures increases were the result of the x-ray output gradually increasing as the image intensifier's field was progressively decreased. This condition was caused by the automatic brightness control circuits of the x-ray unit. When the smallest field size of the image intensifier (I.I.) was employed the exposure doses absorbed by both patients and personnel were about three times larger than the doses received in the largest field size. (author)

  4. A survey of interventional radiology awareness among final-year medical students in a European country.

    LENUS (Irish Health Repository)

    Leong, Sum

    2009-07-01

    Interventional radiology (IR) is a rapidly expanding specialty that is facing the challenges of turf wars and personnel shortages. Appropriate exposure of medical students to this field can be vital to recruitment of potential future trainees or referring physicians. The aim of this study was to determine the knowledge and views of final-year medical students in a single EU country regarding various aspects of IR. An electronic survey was sent via e-mail to all final-year medical students in a European country. The students were given a month to respond to the questionnaire. A total of 234 students of 675 (34.5%) replied to the survey. Of the respondents, 35% had previously completed an attachment to the radiology department. The majority of students (63%) thought their knowledge in radiology in general was poor. The percentage of students who correctly identified procedures performed by interventional radiologists was 69% for Hickman line insertion, 79% for fibroid embolization, and 67.5% for lower limb angioplasty. Sixty percent, 30%, and 47% thought that interventional radiologists perform cardiac angioplasties, perform arterial bypasses, and create AV fistulas, respectively. Forty-nine percent felt that interventional radiologists are surgically trained. Eighty-three percent of students were first made aware of angioplasty by a cardiologist. Thirty-one percent thought that interventional radiologists do ward rounds, 24% thought that interventional radiologists have admitting rights, and 26% felt that interventional radiologists run an outpatient practice. A significant number of students (76%) thought that the job prospects in IR are good or excellent but only 40.5% were willing to consider a career in IR. In conclusion, this study indicates that IR remains a nascent but attractive specialty to the majority of medical students. Further development of the existing informal undergraduate curriculum to address shortcomings will ensure that IR continues to attract

  5. A Survey of Interventional Radiology Awareness Among Final-Year Medical Students in a European Country

    International Nuclear Information System (INIS)

    Leong, Sum; Keeling, Aoife N.; Lee, Michael J.

    2009-01-01

    Interventional radiology (IR) is a rapidly expanding specialty that is facing the challenges of turf wars and personnel shortages. Appropriate exposure of medical students to this field can be vital to recruitment of potential future trainees or referring physicians. The aim of this study was to determine the knowledge and views of final-year medical students in a single EU country regarding various aspects of IR. An electronic survey was sent via e-mail to all final-year medical students in a European country. The students were given a month to respond to the questionnaire. A total of 234 students of 675 (34.5%) replied to the survey. Of the respondents, 35% had previously completed an attachment to the radiology department. The majority of students (63%) thought their knowledge in radiology in general was poor. The percentage of students who correctly identified procedures performed by interventional radiologists was 69% for Hickman line insertion, 79% for fibroid embolization, and 67.5% for lower limb angioplasty. Sixty percent, 30%, and 47% thought that interventional radiologists perform cardiac angioplasties, perform arterial bypasses, and create AV fistulas, respectively. Forty-nine percent felt that interventional radiologists are surgically trained. Eighty-three percent of students were first made aware of angioplasty by a cardiologist. Thirty-one percent thought that interventional radiologists do ward rounds, 24% thought that interventional radiologists have admitting rights, and 26% felt that interventional radiologists run an outpatient practice. A significant number of students (76%) thought that the job prospects in IR are good or excellent but only 40.5% were willing to consider a career in IR. In conclusion, this study indicates that IR remains a nascent but attractive specialty to the majority of medical students. Further development of the existing informal undergraduate curriculum to address shortcomings will ensure that IR continues to attract

  6. Evaluation of patient radiation doses using DAP meter in interventional radiology procedures

    Energy Technology Data Exchange (ETDEWEB)

    Kang, Byung Sam [Dept. of Radiological Technology. Shingu University, Sungnam (Korea, Republic of); Yoon, Yong Su [Dept. of Health Sciences, Graduate School of Medical Sciences, Kyushu Univeristy, Kyushu (Japan)

    2017-03-15

    The author investigated interventional radiology patient doses in several other countries, assessed accuracy of DAP meters embedded in intervention equipment in domestic country, conducted measurement of patient doses for 13 major interventional procedures with use of Dose Area Product(DAP) meters from 23 hospitals in Korea, and referred to 8,415 cases of domestic data related to interventional procedures by radiation exposure after evaluation the actual effective of dose reduction variables through phantom test. Finally, dose reference level for major interventional procedures was suggested. In this study, guidelines for patient doses were 237.7 Gy·cm{sup 2} in TACE, 17.3 Gy·cm{sup 2} in AVF, 114.1 Gy·cm{sup 2} in LE PTA and STENT, 188.5 Gy·cm{sup 2} in TFCA, 383.5 Gy·cm{sup 2} in Aneurysm Coil, 64.6 Gy·cm{sup 2} in PTBD, 64.6 Gy·cm{sup 2} in Biliary Stent, 22.4 Gy·cm{sup 2} in PCN, 4.3 Gy·cm{sup 2} in Hickman, 2.8 Gy·cm{sup 2} in Chemo-port, 4.4 Gy·cm{sup 2} in Perm-Cather, 17.1 Gy·cm{sup 2} in PCD, and 357.9 Gy·cm{sup 2} in Vis, EMB. Dose reference level acquired in this study is considered to be able to use as minimal guidelines for reducing patient dose in the interventional radiology procedures. For the changes and advances of materials and development of equipment and procedures in the interventional radiology procedures, further studies and monitoring are needed on dose reference level Korean DAP dose conversion factor for the domestic procedures.

  7. Core needle biopsy of the thyroid: 2016 consensus statement and recommendations from Korea society of thyroid radiology

    Energy Technology Data Exchange (ETDEWEB)

    Na, Dong Gyu [Dept. of Radiology, Human Medical Imaging and Intervention Center, Seoul (Korea, Republic of); Baek, Jung Hwan; Lee, Jeong Hyun [Dept. of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul (Korea, Republic of); and others

    2017-01-15

    Core needle biopsy (CNB) has been suggested as a complementary diagnostic method to fine-needle aspiration in patients with thyroid nodules. Many recent CNB studies have suggested a more advanced role for CNB, but there are still no guidelines on its use. Therefore, the Task Force Committee of the Korean Society of Thyroid Radiology has developed the present consensus statement and recommendations for the role of CNB in the diagnosis of thyroid nodules. These recommendations are based on evidence from the current literature and expert consensus.

  8. Ultrasound-guided fine needle aspiration of thyroid nodules: A consensus statement by the Korean Society of Thyroid Radiology

    International Nuclear Information System (INIS)

    Lee, Young Hen; Baek, Jung Hwan; Jung, So Lyoung; Kwak, Jin Young; Kim, Ji Hoon; Shin, Jung Hee

    2015-01-01

    Ultrasound (US)-guided fine needle aspiration (US-FNA) has played a crucial role in managing patients with thyroid nodules, owing to its safety and accuracy. However, even with US guidance, nondiagnostic sampling and infrequent complications still occur after FNA. Accordingly, the Task Force on US-FNA of the Korean Society of Thyroid Radiology has provided consensus recommendations for the US-FNA technique and related issues to improve diagnostic yield. These detailed procedures are based on a comprehensive analysis of the current literature and from the consensus of experts.

  9. The radiology informed consent form: recommendations from the European Society of Cardiology position paper.

    Science.gov (United States)

    Carpeggiani, Clara; Picano, Eugenio

    2016-06-01

    Every radiological and nuclear medicine examination confers a definite long-term risk of cancer, but most patients undergoing such examinations receive no or inaccurate information about radiation dose and corresponding risk related to the dose received. Informed consent is a procedure to support (not substitute) the physician/patient dialogue and relationship, facilitating a free, informed and aware expression of the patient's will in the principle of patient autonomy. Physicians are responsible for providing patients with all the information on risks, benefits and alternatives useful to the patient to make the decision. In current radiological practice the information on the radiation dose and long-term cancer risks is difficult to find and not easy to understand. The form using plain language should spell-out the type of examination, the effective dose (mSv), the effective dose expressed in number of chest radiographs and the risk of cancer. The current practice clashes against the guidelines and the law.

  10. Proceedings of the 4. National Congress of the Mexican Society of Radiological Safety C.A

    International Nuclear Information System (INIS)

    1991-01-01

    In these sessions it had the participation of personalities of diverse internationally grateful organizations, with exhibitions about the situation of the nuclear industry of power, the applications of the radiations and the radiological safety in the international context. Also its were presented works about Emergency plans in Nuclear facilities and plants, Nuclear medicine, Food processing, Thermal neutrons, Neutron dosimetry, Charged particles, Thermoluminescence, Industrial radiography, Radiation monitoring, all of them with the participation of specialists with international prestige. The 41 works that are presented in the technical sessions come from Spanish, Brazilian, Greek and Mexican grateful institutions. All they are a sample of the intense activity in investigation and development in the areas of the nuclear industry as of the radiological safety. This congress reveals the impulse that the nuclear community grants to the formation of human resources

  11. Interventional radiography and mortality risks in U.S. radiologic technologists

    Energy Technology Data Exchange (ETDEWEB)

    Linet, Martha S.; Freedman, D.M.; Sigurdson, Alice J.; Doody, Michele M. [National Cancer Institute, Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, Bethesda, MD (United States); Hauptmann, Michael [National Cancer Institute, Biostatistics Branch, Division of Cancer Epidemiology and Genetics, Bethesda, MD (United States); Alexander, Bruce H. [University of Minnesota, Division of Environmental Health Sciences, Minneapolis, MN (United States); Miller, Jeremy [Information Management Services, Inc., Rockville, MD (United States)

    2006-09-15

    With the exponential increase in minimally invasive fluoroscopically guided interventional radiologic procedures, concern has increased about the health effects on staff and patients of radiation exposure from these procedures. There has been no systematic epidemiologic investigation to quantify serious disease risks or mortality. To quantify all-cause, circulatory system disease and cancer mortality risks in U.S. radiologic technologists who work with interventional radiographic procedures, we evaluated mortality risks in a nationwide cohort of 88,766 U.S. radiologic technologists (77% female) who completed a self-administered questionnaire during 1994-1998 and were followed through 31 December 2003. We obtained information on work experience, types of procedures (including fluoroscopically guided interventional procedures), and protective measures plus medical, family cancer history, lifestyle, and reproductive information. Cox proportional hazards regression models were used to compute relative risks (RRs) with 95% confidence intervals (CIs). Between completion of the questionnaire and the end of follow-up, there were 3,581 deaths, including 1,209 from malignancies and 979 from circulatory system diseases. Compared to radiologic technologists who never or rarely performed or assisted with fluoroscopically guided interventional procedures, all-cause mortality risks were not increased among those working on such procedures daily. Similarly, there was no increased risk of mortality resulting from all circulatory system diseases combined, all cancers combined, or female breast cancer among technologists who daily performed or assisted with fluoroscopically guided interventional procedures. Based on small numbers of deaths (n=151), there were non-significant excesses (40%-70%) in mortality from cerebrovascular disease among technologists ever working with these procedures. The absence of significantly elevated mortality risks in radiologic technologists reporting the

  12. Cost analysis in interventional radiology-A tool to optimize management costs

    International Nuclear Information System (INIS)

    Clevert, D.-A.; Stickel, M.; Jung, E.M.; Reiser, M.; Rupp, N.

    2007-01-01

    Objective: The objective of the study was to analyze the methods to reduce cost in interventional radiology departments by reorganizing procurement. Materials and methods: All products used in Department of Interventional Radiology were inventoried. An ABC-analysis was completed and A-products (high-value and high turnover products) underwent a XYZ-analysis which predicted demand on the basis of ordering frequency. Then criteria for a procurement strategy for the different material categories were fixed. The net working capital (NWC) was calculated using an interest rate of 8%/year. Results: Total annual material turnover was 353,000 Euro . The value of all A-products determined by the inventory was 260,000 Euro . Changes in the A-product procurement strategy tapped a cost reduction potential of 14,500/year Euro . The resulting total saving was 17,200 Euro . Improved stores management added another 37,500 Euro. The total cost cut of 52,000 Euro is equivalent to 14.7% of annual expenses. Conclusion: A flexible procurement strategy helps to reduce the storage and capital tie-up costs of A-products in interventional radiology without affecting the quality of service provided to patients

  13. A novel combined interventional radiologic and hepatobiliary surgical approach to a complex traumatic hilar biliary stricture

    Directory of Open Access Journals (Sweden)

    Rachel E. NeMoyer

    Full Text Available Introduction: Benign strictures of the biliary system are challenging and uncommon conditions requiring a multidisciplinary team for appropriate management. Presentation of case: The patient is a 32-year-old male that developed a hilar stricture as sequelae of a gunshot wound. Due to the complex nature of the stricture and scarring at the porta hepatis a combined interventional radiologic and surgical approach was carried out to approach the hilum of the right and left hepatic ducts. The location of this stricture was found by ultrasound guidance intraoperatively using a balloon tipped catheter placed under fluoroscopy in the interventional radiology suite prior to surgery. This allowed the surgeons to select the line of parenchymal transection for best visualization of the stricture. A left hepatectomy was performed, the internal stent located and the right hepatic duct opened tangentially to allow a side-to-side Roux-en-Y hepaticojejunostomy (a Puestow-like anastomosis. Discussion: Injury to the intrahepatic biliary ductal confluence is rarely fatal, however, the associated injuries lead to severe morbidity as seen in this example. Management of these injuries poses a considerable challenge to the surgeon and treating physicians. Conclusion: Here we describe an innovative multi-disciplinary approach to the repair of this rare injury. Keywords: Combined approach, Interventional radiology, Hepatobiliary surgery, Complex traumatic hilar biliary stricture, Case report

  14. Diagnostic reference levels and complexity indices in interventional radiology: a national programme

    Energy Technology Data Exchange (ETDEWEB)

    Ruiz-Cruces, R.; Perez-Martinez, M.; Pastor-Vega, J.M.; Canete, S. [University of Malaga, School of Medicine, Malaga (Spain); Vano, E.; Fernandez-Soto, J.M.; Sanchez-Casanueva, R.; Gallego-Beuter, J.J. [Complutense University, San Carlos Hospital, Medical School, Madrid (Spain); Carrera-Magarino, F.; Moreno-Rodriguez, F.; Moreno-Sanchez, T. [Juan Ramon Jimenez University Hospital, Huelva (Spain); Soler-Cantos, M.M.; Canis-Lopez, M. [Reina Sofia University Hospital, Cordoba (Spain); Hernandez-Armas, J.; Diaz-Romero, F.J. [University Hospital of Canary Islands, Tenerife (Spain); Rosales-Espizua, F.; Lopez-Medina, A.; Gonzalez-de-Garay, M. [Basurto Hospital, Bilbao (Spain); Martin-Palanca, A. [Virgen de la Victoria University Hospital, Malaga (Spain); Gil-Agudo, A.; Zarca-Diaz, M.A.; Zapata-Jimenez, J.C. [General University Hospital, Ciudad Real (Spain); Parra-Osorio, V.; Munoz Ruiz-Canela, J.J.; Moreno-Saiz, C.; Galan-Montenegro, P. [Carlos Haya University Hospital, Malaga (Spain)

    2016-12-15

    To propose national diagnostic reference levels (DRLs) for interventional radiology and to evaluate the impact of the procedural complexity on patient doses. Eight interventional radiology units from Spanish hospitals were involved in this project. The participants agreed to undergo common quality control procedures for X-ray systems. Kerma area product (KAP) was collected from a sample of 1,649 procedures. A consensus document established the criteria to evaluate the complexity of seven types of procedures. DRLs were set as the 3rd quartile of KAP values. The KAP (3rd quartile) in Gy cm{sup 2} for the procedures included in the survey were: lower extremity arteriography (n = 784) 78; renal arteriography (n = 37) 107; transjugular hepatic biopsies (THB) (n = 30) 45; biliary drainage (BD) (n = 314) 30; uterine fibroid embolization (UFE) (n = 56) 214; colon endoprostheses (CE) (n = 31) 169; hepatic chemoembolization (HC) (n = 269) 303; femoropopliteal revascularization (FR) (n = 62) 119; and iliac stent (n = 66) 170. The complexity involved the increases in the following KAP factors from simple to complex procedures: THB x4; BD x13; UFE x3; CE x3; HC x5; FR x5 and IS x4. The evaluation of the procedure complexity in patient doses will allow the proper use of DRLs for the optimization of interventional radiology. (orig.)

  15. Interventional radiologic placement of tunneled central venous catheters : results and complications in 557 cases

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Chan Kyo; Do, Young Soo; Paik, Chul H. [Samsung Medical Center, Sungkyunkwan Univ. School of Medicine, Seoul (Korea, Republic of)] (and others)

    1999-05-01

    To evaluate prospectively the results of interventional radiologic placement of tunneled central venous catheters, and subsequent complications. Between April 1997 and April 1998, a total of 557 tunneled central venous catheters were percutaneously placed in 517 consecutive patients in an interventional radiology suite. The indications were chemotherapy in 533 cases, total parenteral nutrition in 23 and transfusion in one. Complications were evaluated prospectively by means of a chart review, chest radiography, central vein angiography and blood/catheter culture. The technical success rate for tunneled central venous catheter placement was 100% (557/557 cases). The duration of catheter placement ranged from 4 to 356 (mean, 112{+-}4.6) days; Hickman catheters were removed in 252 cases during follow-up. Early complications included 3 cases of pneumothorax(0.5%), 4 cases of local bleeding/hematoma(0.7%), 2 cases of primary malposition(0.4%), and 1 case of catheter leakage(0.2%). Late complications included 42 cases of catheter-related infection(7.5%), 40 cases of venous thrombosis (7.2%), 18 cases of migration (3.2%), 5 cases of catheter / pericatheter of occlusion(0.8%), and 1 case of pseudoaneurysm(0.2%). The infection rate and thrombosis rate per 1000 days were 1.57 and 1.50, respectively. The technical success rate of interventional radiologic placement of tunneled central venous catheters was high. In comparison to conventional surgical placement, it is a more reliable method and leads to fewer complications.

  16. Pilot study of the dose in crystalline lens in the interventional radiology practice

    International Nuclear Information System (INIS)

    Castro, A.; Martinez, A.; Fernandez, A.; Molina, D.; Sanchez, L.; Diaz, A.

    2014-08-01

    The interventional radiology involves considerable exposure levels for the occupationally exposed personnel (OEP). The doses can encompass a wide range of values in dependence of the function that develops the personnel and the complexity of each procedure. In organs like the crystalline lens and skin values can be reached that imply the appearance of deterministic effects if is not fulfilled the appropriate measures of radiological protection. This has been demonstrated through multiple studies, among those that the retrospective study of damages in the crystalline lens and dose has been one of those most commented, known as RELID. The objective of that study was to examine the opacity prevalence in the crystalline lens in workers linked to the interventional cardiology and to correlate it with the occupational exposition. The obtained results contributed to that the ICRP recommend a new limit value of equivalent dose for crystalline lens of 20 mSv in one year. With the objective of analyzing the operational implications, in the radiological surveillance programs that they could originate with the new recommendations was developed a pilot study to evaluate the dose in crystalline lens in the OEP linked to the interventional radiology in a Cuban hospital. For this, an anthropomorphic mannequin RANDO-ALDERSON was used on which thermoluminescent dosimeters were placed below and above of the leaded apron and in different positions at level of the crystalline lens: above, below and to the sides of the leaded lenses that the personnel uses routinely. The mannequin was located on the same positions that occupy the main specialist that execute the procedure, as well as of the nurse to assist him. The measurements were made simulating the more representative procedures about complexity, duration time and exposure rate. The used dosimeters were RADOS model for whole body composed of two thermoluminescent detectors Gr-200 (LiF: Mg, Cu, P) to evaluate personal equivalent dose

  17. Anesthesia Practice and Clinical Trends in Interventional Radiology: A European Survey

    International Nuclear Information System (INIS)

    Haslam, Philip J.; Yap, Bernard; Mueller, Peter R.; Lee, Michael J.

    2000-01-01

    Purpose: To determine current European practice in interventional radiology regarding nursing care, anesthesia, and clinical care trends.Methods: A survey was sent to 977 European interventional radiologists to assess the use of sedoanalgesia, nursing care, monitoring equipment, pre- and postprocedural care, and clinical trends in interventional radiology. Patterns of sedoanalgesia were recorded for both vascular and visceral interventional procedures. Responders rated their preferred level of sedoanalgesia for each procedure as follows: (a) awake/alert, (b) drowsy/arousable, (c) asleep/arousable, (d) deep sedation, and (e) general anesthesia. Sedoanalgesic drugs and patient care trends were also recorded. A comparison was performed with data derived from a similar survey of interventional practice in the United States.Results: Two hundred and forty-three of 977 radiologists responded (25%). The total number of procedures analyzed was 210,194. The majority (56%) of diagnostic and therapeutic vascular procedures were performed at the awake/alert level of sedation, 32% were performed at the drowsy/arousable level, and 12% at deeper levels of sedation. The majority of visceral interventional procedures were performed at the drowsy/arousable level of sedation (41%), 29% were performed at deeper levels of sedation, and 30% at the awake/alert level. In general, more sedoanalgesia is used in the United States. Eighty-three percent of respondents reported the use of a full-time radiology nurse, 67% used routine blood pressure/pulse oximetry monitoring, and 46% reported the presence of a dedicated recovery area. Forty-nine percent reported daily patient rounds, 30% had inpatient hospital beds, and 51% had day case beds.Conclusion: This survey shows clear differences in the use of sedation for vascular and visceral interventional procedures. Many, often complex, procedures are performed at the awake/alert level of sedation in Europe, whereas deeper levels of sedation are

  18. Further promoting the clinical application and fundamental research for interventional radiology of urinary system

    International Nuclear Information System (INIS)

    Liang Huimin; Feng Gansheng

    2008-01-01

    Along with the rapid development of interventional radiology, a simultaneous increase of the treatment was carried out for diseases of urinary system, including nephrostomy, balloon dilatation and stenting for uninary tract obstruction, calculus removing techniques, stenting for prostatic hypertrophy; TAE/TACE and ablation therapy for benign/malignant tumors; angioplasty with balloon or stent for stenosis of renal artery or vein; embolotherapy for hemorrhagic diseases; interventional treatment for complications after renal transplantation, and so on. All the above mentioned techniques for urinary diseases have already provided with good results and futher research will bring a promising future. (authors)

  19. Radiology

    International Nuclear Information System (INIS)

    Lissner, J.

    1985-01-01

    Diagnostic radiology is still the foremost of all innovative medical disciplines. This has many advantages but also some handicaps, e.g. the siting problem of medical equipment whose clinical potential is not fully known. This applies in particular to nuclear spin tomography, where the Laender governments and the Scientific Council seen to agree that all universities should have the appropriate equipment as soon as possible in order to intensify interdisciplinary research. Formerly, in the case of computerized tomography, there was less readiness. As a result, the siting of CT equipment is less organically structured. A special handicap of innovative fields is the problem of training and advanced training. The Chamber of Medicine and the Association of Doctors Participating in the Health Insurance Plan have issued regulations aimed at a better standardisation in this field. (orig.) [de

  20. Radiological protection in the interventional techniques: experience in the Pain Clinic of the CIMEQ

    International Nuclear Information System (INIS)

    Guerrero C, M. C.; Benitez N, P. P.; Gonzalez G, Y.; Martinez G, A.; Gonzalez R, N.; Sanchez Z, L. R.

    2014-08-01

    The Pain Clinic of the CIMEQ offers treatment to patients with different pathologies, using interventional techniques as the radiology like visual guide to reach the target structure and to apply the election technique. The personnel that carry out these procedures are inserted in the program of radiological surveillance of the institution, reason for which a radiological event could be detected where the main physician responsible of the service was implied. In this work the results of an investigation are presented realized with the objective of to know the causes of the event and to determine the necessary measures to avoid that this repeats again. The investigation was oriented to three fundamental aspects: medical exam of the affected worker; evaluation of the operational procedures from the radiological protection view point; and dosimetric measurements simulating the real conditions of work for which were used ionization chamber, radiometer and PMMA mannequin. As a result of the medical exam was detected that the main physician of the service did not use during the execution of all the procedures the extremities dosimetry and that he presented a radio induced erythema in the right hand, reason for which he was separated of the activity with ionizing radiations, until the conclusion of the investigation. With relationship to the evaluation of the operational procedures from the radiological protection view point, was verified that the medical physician not carried out any collimation of the beam and he was located in the positions where the dose rate reached the maximum values, frequently introducing the hands in the direct beam; that which implied an overexposure of the superior extremities and a not optimized exposure for whole body. This result was proven with the realized experimental measurements, which gave dose estimated values in extremities of the order of the deterministic effects. The investigation facilitated to introduce modifications in the

  1. American College of Radiology-American Brachytherapy Society practice parameter for electronically generated low-energy radiation sources.

    Science.gov (United States)

    Devlin, Phillip M; Gaspar, Laurie E; Buzurovic, Ivan; Demanes, D Jeffrey; Kasper, Michael E; Nag, Subir; Ouhib, Zoubir; Petit, Joshua H; Rosenthal, Seth A; Small, William; Wallner, Paul E; Hartford, Alan C

    This collaborative practice parameter technical standard has been created between the American College of Radiology and American Brachytherapy Society to guide the usage of electronically generated low energy radiation sources (ELSs). It refers to the use of electronic X-ray sources with peak voltages up to 120 kVp to deliver therapeutic radiation therapy. The parameter provides a guideline for utilizing ELS, including patient selection and consent, treatment planning, and delivery processes. The parameter reviews the published clinical data with regard to ELS results in skin, breast, and other cancers. This technical standard recommends appropriate qualifications of the involved personnel. The parameter reviews the technical issues relating to equipment specifications as well as patient and personnel safety. Regarding suggestions for educational programs with regard to this parameter,it is suggested that the training level for clinicians be equivalent to that for other radiation therapies. It also suggests that ELS must be done using the same standards of quality and safety as those in place for other forms of radiation therapy. Copyright © 2017 American Brachytherapy Society and American College of Radiology. Published by Elsevier Inc. All rights reserved.

  2. Assessment of Patients Radiation Dose During Interventional Radiological Procedure in PPUKM

    International Nuclear Information System (INIS)

    Mohd Khalid Matori; Husaini Salleh; Muhammad Jamal Muhammad Isa

    2014-01-01

    Interventional Radiology (IR) is a relatively new subspecialty of radiology. It is subspecialty where minimally invasive procedures are performed under radiological guidance using X-ray. This procedure can deliver high radiation doses compared with other radiological method due to long screening time. Because of these it is important to determine radiation doses received by patients undergoing IR procedures. It is to ensure that the dose is within the range deemed to be saved. A total of 128 patients undergoing IR procedures in PPUKM between 2012 and 2013 were study retrospectively. Dose area product (DAP) meter were used to measure the integral dose for the whole procedures. Mean kerma-area products for abdomen, head, pelvis, and thorax were 243.1, 107.3, 39.05 and 45.7 Gycm 2 , respectively. This study may provide the useful information which can be use to establish baseline patient dose data for dose optimizing study and carried out a recommendation on effective method of patient dose reduction during IR procedures. A more detail results of this study are presented in this paper. (author)

  3. Periprocedural Prophylactic Antithrombotic Strategies in Interventional Radiology: Current Practice in the Netherlands and Comparison with the United Kingdom

    Energy Technology Data Exchange (ETDEWEB)

    Wiersema, Arno M., E-mail: arno@wiersema.nu [Westfriesgasthuis, Hoorn, Department of Surgery (Netherlands); Vos, Jan-Albert, E-mail: j.a.vos@antonius.net [St Antonius Hospital, Nieuwegein, Department of Radiology, Division of Interventional Radiology (Netherlands); Bruijninckx, Cornelis M. A., E-mail: cmabruijninckx@planet.nl [Equipe Zorg Bedrijven, Rotterdam, Department of Surgery (Netherlands); Delden, Otto M. van, E-mail: o.m.vandelden@amc.uva.nl [Academic Medical Centre, University of Amsterdam, Department of Radiology, Division of Interventional Radiology (Netherlands); Reijnen, Michel M. P. J., E-mail: mmpj.reijnen@gmail.com [Rijnstate Hospital, Arnhem, Department of Surgery (Netherlands); Vahl, Anco, E-mail: a.c.vahl@olvg.nl [Onze Lieve Vrouwe Gasthuis, Amsterdam, Department of Surgery (Netherlands); Zeebregts, Clark J., E-mail: czeebregts@hotmail.com [University of Groningen, Department of Surgery, Division of Vascular Surgery, University Medical Centre Groningen (Netherlands); Moll, Frans L., E-mail: F.L.Moll@umcutrecht.nl [University of Utrecht, Department of Surgery, Division of Vascular Surgery, University Medical Centre Utrecht (Netherlands)

    2013-12-15

    Purpose: The use of prophylactic antithrombotic drugs to prevent arterial thrombosis during the periprocedural period during (percutaneous) peripheral arterial interventions (PAIs) is still a matter of dispute, and clear evidence-based guidelines are lacking. To create those guidelines, a study group was formed in the Netherlands in cooperation with the Dutch Society of Vascular Surgery and the Society of Interventional Radiology. The study group is called 'Consensus on Arterial PeriProcedural Anticoagulation (CAPPA).' Materials and Methods: The CAPPA study group devised and distributed a comprehensive questionnaire amongst Dutch interventional radiologists (IRs). Results: One hundred forty-two IRs responded (68 %) to the questionnaire. Almost no IR stopped acetyl salicylic acid before interventions, and 40 % stopped clopidogrel before PAI but not before carotid artery stenting (CAS). A flushing solution on the sideport of the sheath was used routinely by 30 % of IRs in PAI and by 50 % of IRs during CAS. A minority of IRs used a heparinised flushing solution (28 %). Unfractionated heparin was used by 95 % of IRs as bolus; 5000 IU was the most used dosage. Timing of administration varied widely. A majority of IRs (75 %) repeated heparin administration after 1 h. Conclusion: A substantial variety exists amongst IRs in the Netherlands regarding the use of prophylactic periprocedural antithrombotic drugs to prevent arterial thrombosis during PAI. When compared with varying results regarding the use of heparin in the United Kingdom, the variety in the Netherlands showed a different pattern. The proven variety in these countries, and also between these countries, emphasises the need for authoritative studies to develop evidence-based practical guidelines.

  4. Results of a survey by the European Society of Radiology (ESR): undergraduate radiology education in Europe-influences of a modern teaching approach.

    Science.gov (United States)

    Oris, Elena; Verstraete, Koenraad; Valcke, Martin

    2012-04-01

    The purpose of the present study is to determine in what way a conventional versus a modern medical curriculum influences teaching delivery in formal radiology education. A web-based questionnaire was distributed by the ESR to radiology teaching staff from 93 European teaching institutions. Early exposure to radiology in pre-clinical years is typically reported in institutions with a modern curriculum. The average number of teaching hours related to radiology is similar in both curriculum types (60 h). Radiology in modern curricula is mainly taught by radiologists, radiology trainees (50%), radiographers (20%) or clinicians (17%). Mandatory clerkships are pertinent to modern curricula (55% vs. 41% conventional curriculum), which start in the first (13% vs. 4% conventional curriculum) or second year of the training (9% vs. 2% conventional curriculum). The common core in both curricula consists of radiology examinations, to work with radiology teaching files, to attend radiology conferences, and to participate in multidisciplinary meetings. The influence of a modern curriculum on the formal radiology teaching is visible in terms of earlier exposure to radiology, involvement of a wider range of staff grades and range of profession involved in teaching, and radiology clerkships with more active and integrated tasks. • This study looks at differences in the nature of formal radiology teaching.

  5. Central venous catheter placement by an interventional radiology unit: an australian experience

    International Nuclear Information System (INIS)

    Lee, M. K. S.; Mossop, P. J.; Vrazas, J. I.

    2007-01-01

    The aim of this retrospective study was to analyse the outcomes of central venous catheter (CVC) placement carried out by an interventional radiology unit. A review of our hospital records identified 331 consecutive patients who underwent insertion of a tunnelled or non-tunnelled CVC between January 2000 and December 2004. Key outcome measures included the technical success rate of CVC insertion and the percentage of immediate ( 30 days) complications. A total of 462 CVCs were placed under radiological guidance, with an overall success rate of 98.9%. Immediate complications included one pneumothorax, which was diagnosed 7 days after subclavian CVC insertion, and eight episodes of significant haematoma or bleeding within 24 h of CVC insertion. No cases were complicated by arterial puncture or air embolus. Catheter-related sepsis occurred in 2% of non-tunnelled CVC and 8.9% of tunnelled CVC. The overall incidence of catheter-related sepsis was 0.17 per 100 catheter days. As the demand for chemotherapy and haemodialysis grows with our ageing population, interventional radiology suites are well placed to provide a safe and reliable service for the placement of central venous access devices

  6. Dosimetry with slow films in Interventional Radiology; Dosimetria con peliculas lentas en Radiologia Intervencionista

    Energy Technology Data Exchange (ETDEWEB)

    Ten, J.I.; Guibelalde, E.; Fernandez, J.M.; Canevaro, L.; Ramirez, R.; Vano, E. [Grupo de Fisica Medica. Departamento de Radiologia. Facultad de Medicina. Universidad Complutense de Madrid. Martin Lagos s/n CP 28040, Madrid (Spain)

    1998-12-31

    In this work it is presented a method for evaluation of patients doses in Interventional Radiology (RI). The method proposed in this work allows the simultaneous valoration of the product dose-area (PDA), the dose in the patient skin (DES) and the distribution of the irradiated fields, all of they together with their corresponding dose levels. The latter sometimes can be essential since the possible damages in skin depend not only of the doses, but also the irradiated area. The method has been resulted adequate for to evaluate doses to patients in Interventional Radiology procedures. It was possible to apply it as a routine form seeing that its not interfering significantly in the normal development of the medical intervention. The fundamental advantages of this dosimetric method in relation with the unique PDA measure or with the utilization of TLD is that it provide information about the total irradiated area, distribution and length of fields, collimation and wedge used besides that allow to determine the most irradiated zone. The visualization of the irradiated regions and the length fields utilized suggest the possibility to optimize the realization protocols of the interventional procedure in the cases in which it is considered that the doses have been very elevated. (Author)

  7. Cost analysis of radiological interventional procedures and reimbursement within a clinic

    International Nuclear Information System (INIS)

    Strotzer, M.; Voelk, M.; Lenhart, M.; Fruend, R.; Feuerbach, S.

    2002-01-01

    Purpose: Analysis of costs for vascular radiological interventions on a per patient basis and comparison with reimbursement based on GOAe(Gebuehrenordnung fuer Aerzte) and DKG-NT (Deutsche Krankenhausgesellschaft-Nebenkostentarif). Material and Methods: The ten procedures most frequently performed within 12 months were evaluated. Personnel costs were derived from precise costs per hour and estimated procedure time for each intervention. Costs for medical devices were included. Reimbursement based on GOAewas calculated using the official conversion factor of 0.114 DM for each specific relative value unit and a multiplication factor of 1.0. The corresponding conversion factor for DKG-NT, determined by the DKG, was 0.168 DM. Results: A total of 832 interventional procedures were included. Marked differences between calculated costs and reimbursement rates were found. Regarding the ten most frequently performed procedures, there was a deficit of 1.06 million DM according GOAedata (factor 1.0) and 0.787 million DM according DKG-NT. The percentage of reimbursement was only 34.2 (GOAe; factor 1.0) and 51.3 (DKG-NT), respectively. Conclusion: Reimbursement of radiological interventional procedures based on GOAeand DKG-NT data is of limited value for economic controlling purposes within a hospital. (orig.) [de

  8. Medical societies, patient education initiatives, public debate and marketing of unproven stem cell interventions.

    Science.gov (United States)

    Weiss, Daniel J; Turner, Leigh; Levine, Aaron D; Ikonomou, Laertis

    2018-02-01

    Businesses marketing unproven stem cell interventions proliferate within the U.S. and in the larger global marketplace. There have been global efforts by scientists, patient advocacy groups, bioethicists, and public policy experts to counteract the uncontrolled and premature commercialization of stem cell interventions. In this commentary, we posit that medical societies and associations of health care professionals have a particular responsibility to be an active partner in such efforts. We review the role medical societies can and should play in this area through patient advocacy and awareness initiatives. Copyright © 2017 International Society for Cellular Therapy. Published by Elsevier Inc. All rights reserved.

  9. Safety and effectiveness of moderate sedation for radiologic non-vascular intervention

    International Nuclear Information System (INIS)

    Kim, Tae-Hoon

    2006-01-01

    The purpose of this study was to prospectively characterize the safety and effectiveness of moderate sedation/analgesia for performing radiologic non-vascular abdominal intervention. During a 3-month period, a total of 63 adult patients with a mean age of 64 years (range:27-82) underwent moderate sedation for 72 radiologic non-vascular interventional procedures. A combination of fentanyl citrate and midazolam hydrochloride, based on the patient's body weight, was intravenously administered until the patient was drowsy and tranquil. The adverse events associated with this moderate sedation were assessed. The visual analog scale format was used to measure the subjective feelings of the patient's pre-pro- cedural anxiety and intraprocedural pain. The mean total dose per kilogram of body weight of fentanyl used in PTBD was 1.148 μg. The mean total dose per kilogram of body weight of midazolam was 0.035 mg in PTBD, PTGBD, AD, PCN, DJS, GS and FRA, 0.039 mg in TDC, and 0.043 mg in BS. A temporary reduction of systolic blood pressure to less than 80 mmHg was observed during 5 procedures (6.9%), whereas a temporary elevation of systolic blood pressure above 150 mmHg was observed during 10 procedures (13.8%). A reduction of arterial oxygen saturation to less than 90% was observed during 14 procedures (19.4%). None of the patients required pharmacologic reversal agents or cardiopulmonary resuscitation. The mean anxiety score recorded before all procedures was 5.2 (distressing). The mean pain score during the procedure, which was recorded after all procedures, was 2.9 (mild). Moderate sedation allows performance of safe and effective radiologic non-vascular intervention, and it is also easy for an interventional radiologist to use. The patients should be continuously monitored to check their vital signs and arterial oxygen saturation during the procedures

  10. Safety and effectiveness of moderate sedation for radiologic non-vascular intervention

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Tae-Hoon [Dankook University Hospital, Chungju (Korea, Republic of)

    2006-06-15

    The purpose of this study was to prospectively characterize the safety and effectiveness of moderate sedation/analgesia for performing radiologic non-vascular abdominal intervention. During a 3-month period, a total of 63 adult patients with a mean age of 64 years (range:27-82) underwent moderate sedation for 72 radiologic non-vascular interventional procedures. A combination of fentanyl citrate and midazolam hydrochloride, based on the patient's body weight, was intravenously administered until the patient was drowsy and tranquil. The adverse events associated with this moderate sedation were assessed. The visual analog scale format was used to measure the subjective feelings of the patient's pre-pro- cedural anxiety and intraprocedural pain. The mean total dose per kilogram of body weight of fentanyl used in PTBD was 1.148 {mu}g. The mean total dose per kilogram of body weight of midazolam was 0.035 mg in PTBD, PTGBD, AD, PCN, DJS, GS and FRA, 0.039 mg in TDC, and 0.043 mg in BS. A temporary reduction of systolic blood pressure to less than 80 mmHg was observed during 5 procedures (6.9%), whereas a temporary elevation of systolic blood pressure above 150 mmHg was observed during 10 procedures (13.8%). A reduction of arterial oxygen saturation to less than 90% was observed during 14 procedures (19.4%). None of the patients required pharmacologic reversal agents or cardiopulmonary resuscitation. The mean anxiety score recorded before all procedures was 5.2 (distressing). The mean pain score during the procedure, which was recorded after all procedures, was 2.9 (mild). Moderate sedation allows performance of safe and effective radiologic non-vascular intervention, and it is also easy for an interventional radiologist to use. The patients should be continuously monitored to check their vital signs and arterial oxygen saturation during the procedures.

  11. Auditing an Online Self-reported Interventional Radiology Adverse Event Database for Compliance and Accuracy.

    Science.gov (United States)

    Burch, Ezra A; Shyn, Paul B; Chick, Jeffrey F; Chauhan, Nikunj R

    2017-04-01

    The purpose of this study was to determine whether auditing an online self-reported interventional radiology quality assurance database improves compliance with record entry or improves the accuracy of adverse event (AE) reporting and grading. Physicians were trained in using the database before the study began. An audit of all database entries for the first 3 months, or the first quarter, was performed, at which point physicians were informed of the audit process; entries for the subsequent 3 months, or the second quarter, were again audited. Results between quarters were compared. Compliance with record entry improved from the first to second quarter, but reminders were necessary to ensure 100% compliance with record entry. Knowledge of the audit process did not significantly improve self-reporting of AE or accuracy of AE grading. However, auditing significantly changed the final AE reporting rates and grades. Copyright © 2016 American College of Radiology. Published by Elsevier Inc. All rights reserved.

  12. M2IRAGE: Management of measurements during radiological interventions geographically assisted in the environment

    International Nuclear Information System (INIS)

    Gerphagnon, O.; Roche, H.; Lelache, H.; Guelin, M.; Fauquant, J.M.; Kacenelen, Y.; Armand, Y.

    2010-01-01

    This report presents the M 2 IRAGE software, a data processing tool designed to share radioactivity measurements and to give a schematised view of a radiological situation and of its evolution, while respecting different legal frameworks, notably the obligation to produce a radiological measurement programme. After a simplified recall of the crisis management organisation, the authors describe the M 2 IRAGE software and hardware architecture, the functions of its main modules (presentation of radioprotection information during field intervention, field mission management, data browsing, and data transmission to field teams). While giving some display examples, the authors describe how an event is managed and processed by this tool: event creation, measurement acquisition, aid to decision, team management. They report and discuss the results of a national exercise which took place in September 2009 in Saclay with a prototype version of M 2 IRAGE

  13. Automatic management system for dose parameters in interventional radiology and cardiology

    International Nuclear Information System (INIS)

    Ten, J. I.; Fernandez, J. M.; Vano, E.

    2011-01-01

    The purpose of this work was to develop an automatic management system to archive and analyse the major study parameters and patient doses for fluoroscopy guided procedures performed in cardiology and interventional radiology systems. The X-ray systems used for this trial have the capability to export at the end of the procedure and via e-mail the technical parameters of the study and the patient dose values. An application was developed to query and retrieve from a mail server, all study reports sent by the imaging modality and store them on a Microsoft SQL Server data base. The results from 3538 interventional study reports generated by 7 interventional systems were processed. In the case of some technical parameters and patient doses, alarms were added to receive malfunction alerts so as to immediately take appropriate corrective actions. (authors)

  14. Automatic management system for dose parameters in interventional radiology and cardiology.

    Science.gov (United States)

    Ten, J I; Fernandez, J M; Vaño, E

    2011-09-01

    The purpose of this work was to develop an automatic management system to archive and analyse the major study parameters and patient doses for fluoroscopy guided procedures performed in cardiology and interventional radiology systems. The X-ray systems used for this trial have the capability to export at the end of the procedure and via e-mail the technical parameters of the study and the patient dose values. An application was developed to query and retrieve from a mail server, all study reports sent by the imaging modality and store them on a Microsoft SQL Server data base. The results from 3538 interventional study reports generated by 7 interventional systems were processed. In the case of some technical parameters and patient doses, alarms were added to receive malfunction alerts so as to immediately take appropriate corrective actions.

  15. Double dosimetry procedures for the determination of occupational effective dose in interventional radiology

    International Nuclear Information System (INIS)

    Jaervinen, H.; Buls, N.; Clerinx, P.; Miljanic, S.; Ranogajec-Komor, M.; Nikodemova, D.; D'Errico, F.

    2008-01-01

    Full text: In interventional radiology, for an accurate determination of occupational effective dose, measurements with two dosemeters ('double dosimetry', DD) have been recommended, one dosemeter located above and one under the protective apron. In this paper, based on an extensive literature search, the most recent algorithms developed for the determination of effective dose from the dosimeter readings have been compared for a few practical interventional procedures. Recommendations on the practices and algorithms are given on the basis of the results. For the comparison of algorithms, dosemeter readings and the effective dose were obtained both experimentally and by calculation. Further, data from published Monte Carlo calculations have been applied. The literature review has indicated that very few regulations for DD exist and the DD practices have not been harmonized. There is no firm consensus on the most suitable calculation algorithms. Single dosemeter (SD) measurements are still mostly used for the calculation of effective dose. Most DD and SD algorithms overestimate effective dose significantly, sometimes by over ten times. However, SD algorithms can significantly underestimate effective dose in certain interventional radiology conditions. Due to the possibility of underestimating effective dose, DD is generally recommended. The results suggest that there might not be a single DD algorithm which would be optimum for all interventional radiology procedures. However, the selection of a precise DD algorithm for each individual condition is not practical and compromises must be made. For accurate personnel dosimetry, the accuracy of the algorithm selected should be tested for typical local interventional radiology condition. Personnel dosemeters should be used in the recommended positions. The dosemeter above the apron should be on a collar and its reading also used to assess the risk of lens injuries. The dosemeter under the apron can be on the chest or

  16. Patient Evaluation and Preparation in Vascular and Interventional Radiology: What Every Interventional Radiologist Should Know (Part 2: Patient Preparation and Medications)

    Energy Technology Data Exchange (ETDEWEB)

    Taslakian, Bedros, E-mail: btaslakian@gmail.com [NYU Langone Medical Center, Department of Radiology (United States); Sebaaly, Mikhael Georges, E-mail: ms246@aub.edu.lb; Al-Kutoubi, Aghiad, E-mail: mk00@aub.edu.lb [American University of Beirut Medical Center, Department of Diagnostic Radiology (Lebanon)

    2016-04-15

    Performing an interventional procedure imposes a commitment on interventional radiologists to conduct the initial patient assessment, determine the best course of therapy, and provide long-term care. Patient care before and after an interventional procedure, identification, and management of early and delayed complications of various procedures are equal in importance to the procedure itself. In this second part, we complete the comprehensive, methodical review of pre-procedural care and patient preparation before vascular and interventional radiology procedures.

  17. White paper of the European Association of Nuclear Medicine (EANM) and the European Society of Radiology (ESR) on multimodality imaging

    International Nuclear Information System (INIS)

    Bischof Delaloye, Angelika; Carrio, Ignasi; Cuocolo, Alberto; Knapp, Wolfram; Gourtsoyiannis, Nicholas; McCall, Iain; Reiser, Maximilian; Silberman, Bruno

    2007-01-01

    New multimodality imaging systems bring together anatomical and molecular information and require the competency and accreditation of individuals from both nuclear medicine and radiology. This paper sets out the positions and aspirations of the European Association of Nuclear Medicine (EANM) and the European Society of Radiology (ESR) working together on an equal and constructive basis for the future benefit of both specialties. EANM and ESR recognise the importance of coordinating working practices for multimodality imaging systems and that undertaking the nuclear medicine and radiology components of imaging with hybrid systems requires different skills. It is important to provide adequate and appropriate training in the two disciplines in order to offer a proper service to the patient using hybrid systems. Training models are proposed with the overall objective of providing opportunities for acquisition of special competency certification in multimodality imaging. Both organisations plan to develop common procedural guidelines and recognise the importance of coordinating the purchasing and management of hybrid systems to maximise the benefits to both specialties and to ensure appropriate reimbursement of these examinations. European multimodality imaging research is operating in a highly competitive environment. The coming years will decide whether European research in this area manages to defend its leading position or whether it falls behind research in other leading economies. Since research teams in the Member States are not always sufficiently interconnected, more European input is necessary to create interdisciplinary bridges between research institutions in Europe and to stimulate excellence. EANM and ESR will work with the European Institute for Biomedical Imaging Research (EIBIR) to develop further research opportunities across Europe. European Union grant-funding bodies should allocate funds to joint research initiatives that encompass clinical research

  18. White paper of the European Society of Radiology (ESR) and the European Association of Nuclear Medicine (EANM) on multimodality imaging

    International Nuclear Information System (INIS)

    Gourtsoyiannis, Nicholas; McCall, Iain; Reiser, Maximilian; Silberman, Bruno; Bischof Delaloye, Angelika; Carrio, Ignacio; Cuocolo, Alberto; Knapp, Wolfram

    2007-01-01

    New multimodality imaging systems bring together anatomical and molecular information and require the competency and accreditation of individuals from both radiology and nuclear medicine. This paper sets out the positions and aspirations of the European Society of Radiology (ESR) and the European Association of Nuclear Medicine (EANM) working together on an equal and constructive basis for the future benefit of both specialties. ESR and EANM recognise the importance of coordinating working practices for multimodality imaging systems and that undertaking the radiology and nuclear medicine components of imaging with hybrid systems requires different skills. It is important to provide adequate and appropriate training in the two disciplines in order to offer a proper service to the patient using hybrid systems. Training models are proposed with the overall objective of providing opportunities for acquisition of special competency certification in multimodality imaging. Both organisations plan to develop common procedural guidelines and recognise the importance of coordinating the purchasing and management of hybrid systems to maximise the benefits to both specialties and to ensure appropriate reimbursement of these examinations. European multimodality imaging research is operating in a highly competitive environment. The coming years will decide whether European research in this area manages to defend its leading position or whether it falls behind research in other leading economies. Since research teams in the member states are not always sufficiently interconnected, more European input is necessary to create interdisciplinary bridges between research institutions in Europe and to stimulate excellence. ESR and EANM will work with the European Institute for Biomedical Imaging Research (EIBIR) to develop further research opportunities across Europe. European Union grant-funding bodies should allocate funds to joint research initiatives that encompass clinical research

  19. Assessment of eye lens doses in interventional radiology: a simulation in laboratory conditions

    International Nuclear Information System (INIS)

    Cemusova, Z.; Ekendahl, D.; Judas, L.

    2016-01-01

    As workers in interventional radiology belong to one of the most occupationally exposed groups, methods for sufficiently accurate quantification of their external exposure are sought. The objective of the authors' experiment was to investigate the relations between eye lens dose and H p (10), H p (3) or H p (0.07) values measured with a conventional whole-body personal thermoluminescence dosemeter (TLD). Conditions of occupational exposure during common interventional procedures were simulated in laboratory. An anthropomorphic phantom represented a physician. The TLDs were fixed to the phantom in different locations that are common for purposes of personal dosimetry. In order to monitor the dose at the eye lens level during the exposures, a special thermoluminescence eye dosemeter was fixed to the phantom's temple. Correlations between doses measured with the whole-body and the eye dosemeters were found. There are indications that personnel in interventional radiology do not need to be unconditionally equipped with additional eye dosemeters, especially if an appropriate whole-body dosimetry system has been already put into practice. (authors)

  20. Estimating effective dose to pediatric patients undergoing interventional radiology procedures using anthropomorphic phantoms and MOSFET dosimeters.

    Science.gov (United States)

    Miksys, Nelson; Gordon, Christopher L; Thomas, Karen; Connolly, Bairbre L

    2010-05-01

    The purpose of this study was to estimate the effective doses received by pediatric patients during interventional radiology procedures and to present those doses in "look-up tables" standardized according to minute of fluoroscopy and frame of digital subtraction angiography (DSA). Organ doses were measured with metal oxide semiconductor field effect transistor (MOSFET) dosimeters inserted within three anthropomorphic phantoms, representing children at ages 1, 5, and 10 years, at locations corresponding to radiosensitive organs. The phantoms were exposed to mock interventional radiology procedures of the head, chest, and abdomen using posteroanterior and lateral geometries, varying magnification, and fluoroscopy or DSA exposures. Effective doses were calculated from organ doses recorded by the MOSFET dosimeters and are presented in look-up tables according to the different age groups. The largest effective dose burden for fluoroscopy was recorded for posteroanterior and lateral abdominal procedures (0.2-1.1 mSv/min of fluoroscopy), whereas procedures of the head resulted in the lowest effective doses (0.02-0.08 mSv/min of fluoroscopy). DSA exposures of the abdomen imparted higher doses (0.02-0.07 mSv/DSA frame) than did those involving the head and chest. Patient doses during interventional procedures vary significantly depending on the type of procedure. User-friendly look-up tables may provide a helpful tool for health care providers in estimating effective doses for an individual procedure.

  1. 6. Regional Congress on Radiation Protection and Safety; 3. Iberian and Latin American Congress on Radiological Protection Societies; Regional IRPA Congress. Book of abstracts

    International Nuclear Information System (INIS)

    2003-11-01

    The 6th Regional Congress on Radiation Protection and Safety was organized by the Peruvian Radiation Protection Society and the Peruvian Institute of Nuclear Energy, held in Lima, Peru, between 9 and 13 of november of 2003. In this event, were presented 227 papers that were articulated in the following sessions: radiation natural exposure, biological effects of ionizing radiation, instruments and dosimetry, radiological emergency and accidents, occupational radiation protection, radiological protection in medical exposure, radiological environmental protection, legal aspects, standards and regulations, training, education and communication, radioactive waste management, radioactive material transport, nuclear safety and biological effects of non-ionizing radiation. (APC)

  2. Analysis of dose to crystalline in Interventional radiology: a purpose of one case

    International Nuclear Information System (INIS)

    Carrera M, F.; Moreno R, F.; Velazquez M, F.; Manzano M, F.J.; Moreno S, T.

    1998-01-01

    The present work shows the dose values to crystalline for the personnel which works in interventional radiology procedures. It was took data of 436 studies with a total of 2,133.4 minutes in fluoroscopy and 19,563 images. It was showed dose values to crystalline in three situations: without blinding, with blinding of 0.25 and 0.50 mm Pb and by type of study: fluoroscopy, graphie and total. The dose means and ranges to patient for each of these studies also are detailed. (Author)

  3. European Society of Paediatric Radiology - 42th annual meeting and 28th postgraduate course. Abstracts

    International Nuclear Information System (INIS)

    Anon.

    2005-01-01

    Pediatric Radiology informs its readers of new findings and progress in all pediatric imaging and in related fields. This is achieved by a blend of original papers, complemented by reviews that set out the present state of knowledge in a particular area of the specialty or summarize specific topics in which discussion has led to clear conclusion. Advances in technology, methology apparatus and auxiliary equipment are presented, and modification of standard techniques are described. Manuscripts submitted for publication must contain a statement to the effect that all human studies habe been reviewed by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in an appropriate version of the 1964 Declaration of Helsinki. It should also be stated clearly in the text that all persons gave their informed consent prior to their inclusion in the study. Details that might disclose the identity of the subjects under study should be omitted. Report of animal experiments must state that Principles of laboratory animal care (NIH publication No. 86-23, revised 1985) were followed, as well specific national laws (e.g. the current version of the German Law on the Protection oa Animails) where applicable. The Managing Editors reserve the right to reject manuscripts that do not comply the above-mentioned requirements

  4. Awareness of interventional radiology among patients referred to the interventional radiology department: a survey of patients in a large Canadian community hospital.

    Science.gov (United States)

    Baerlocher, Mark O; Asch, Murray R; Puri, Gaurav; Vellahottam, Andrew; Myers, Andy; Andrews, Karen

    2007-05-01

    To quantify the level of knowledge about interventional radiology (IR) among patients referred for an IR procedure and to develop recommendations on how to increase public awareness of IR. Paper surveys were prospectively administered to consecutive patients scheduled to undergo an IR procedure at a community hospital. The study was terminated at the accrual of 100 completed surveys. Totals of 28% and 6% knew generally the job of a diagnostic radiologist and interventional radiologist, respectively, and 6% had heard of the field of IR before their referral (despite 21% having undergone a procedure previously). Before their arrival in the IR department, 87% had not received any information about IR. Three percent, 0%, 4%, 82%, and 82% had heard about uterine artery embolization, radiofrequency ablation, vertebroplasty, biopsy (any type), and angioplasty, respectively. After the procedures, 84% had a clearer view of what interventional radiologists do, but 98% believed that most others did not know what IR was. When asked how best to educate the public about IR, the responses were: unsure (39%), other (19%), pamphlets (12%), information from physicians (9%), television (8%), and Internet (7%). Overall, the mean satisfaction rate was 8.8 (with 0 representing the minimum and 10 representing the maximum), and 97% would choose IR over surgery for future treatments. These data quantify and strongly support the views that (1) even among patients specifically referred to IR for a procedure, the majority of people are unaware of what the field is or may offer; and (2) most patients were satisfied with their IR experience. Six results-based recommendations are made to increase public awareness about IR.

  5. A survey on the reference citation in the case reports published in The Journal of the Korean Radiological Society

    International Nuclear Information System (INIS)

    Lee, Hong Jae; Lee, Han Jin; Park, Seog Hee; Kim, Choon Yul; Bahk, Yong Whee; Shinn, Kyung Sub

    1993-01-01

    We analyzed 105 case reports published in The Journal of the Korean Radiological Society between 1975 and 1985. The objectives of this studies were to find out (1) whether those case reports were truly original or not as far as domestic publications were concerned and (2) whether their citations of domestic literatures were correct. In two papers, we found previous reports published already in the domestic journal in spite of the authors' claim as their 'first case reports'. In 105 case reports, only 94 references were cited while 151 omitted. It is concluded that a case report must include a statement to authentically clarify whether similar report had been previously published through meticulous review of published literatures. We also recommend to computerize the index of domestic literatures

  6. Ultrasonography diagnosis and imaging-based management of thyroid nodules: Revised Korean society of thyroid radiology consensus statement and recommendations

    Energy Technology Data Exchange (ETDEWEB)

    Shin, Jung Hee [Dept. of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul (Korea, Republic of); Baek, Jung Hwan [Dept. of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul (Korea, Republic of); Chung, Jin [Dept. of Radiology, Ewha Womans University School of Medicine, Seoul (Korea, Republic of); and others

    2016-06-15

    The rate of detection of thyroid nodules and carcinomas has increased with the widespread use of ultrasonography (US), which is the mainstay for the detection and risk stratification of thyroid nodules as well as for providing guidance for their biopsy and nonsurgical treatment. The Korean Society of Thyroid Radiology (KSThR) published their first recommendations for the US-based diagnosis and management of thyroid nodules in 2011. These recommendations have been used as the standard guidelines for the past several years in Korea. Lately, the application of US has been further emphasized for the personalized management of patients with thyroid nodules. The Task Force on Thyroid Nodules of the KSThR has revised the recommendations for the ultrasound diagnosis and imaging-based management of thyroid nodules. The review and recommendations in this report have been based on a comprehensive analysis of the current literature and the consensus of experts.

  7. Diagnosis of hepatocellular carcinoma with gadoxetic acid-enhanced MRI: 2016 Consensus Recommendations of the Korean Society of Abdominal Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Park, Mi-Suk [Yonsei University College of Medicine, Severance Hospital, Seoul (Korea, Republic of)

    2017-06-15

    Diagnosis of hepatocellular carcinoma (HCC) with gadoxetic acid-enhanced liver magnetic resonance imaging (MRI) poses certain unique challenges beyond the scope of current guidelines. The regional heterogeneity of HCC in demographic characteristics, prevalence, surveillance, and socioeconomic status necessitates different treatment approaches, leading to variations in survival outcomes. Considering the medical practices in Korea, the Korean Society of Abdominal Radiology (KSAR) study group for liver diseases has developed expert consensus recommendations for diagnosis of HCC by gadoxetic acid-enhanced MRI with updated perspectives, using a modified Delphi method. During the 39th Scientific Assembly and Annual Meeting of KSAR (2016), consensus was reached on 12 of 16 statements. These recommendations might serve to ensure a more standardized diagnosis of HCC by gadoxetic acid-enhanced MRI.

  8. Diagnosis of hepatocellular carcinoma with gadoxetic acid-enhanced MRI: 2016 Consensus Recommendations of the Korean Society of Abdominal Radiology

    International Nuclear Information System (INIS)

    Park, Mi-Suk

    2017-01-01

    Diagnosis of hepatocellular carcinoma (HCC) with gadoxetic acid-enhanced liver magnetic resonance imaging (MRI) poses certain unique challenges beyond the scope of current guidelines. The regional heterogeneity of HCC in demographic characteristics, prevalence, surveillance, and socioeconomic status necessitates different treatment approaches, leading to variations in survival outcomes. Considering the medical practices in Korea, the Korean Society of Abdominal Radiology (KSAR) study group for liver diseases has developed expert consensus recommendations for diagnosis of HCC by gadoxetic acid-enhanced MRI with updated perspectives, using a modified Delphi method. During the 39th Scientific Assembly and Annual Meeting of KSAR (2016), consensus was reached on 12 of 16 statements. These recommendations might serve to ensure a more standardized diagnosis of HCC by gadoxetic acid-enhanced MRI

  9. How can interventions for inhabitants be justified after a nuclear accident? An approach based on the radiological protection system of the international commission on radiological protection

    International Nuclear Information System (INIS)

    Takahara, Shogo; Homma, Toshimitsu; Yoneda, Minoru; Shimada, Yoko

    2016-01-01

    Management of radiation-induced risks in areas contaminated by a nuclear accident is characterized by three ethical issues: (1) risk trade-off, (2) paternalistic intervention and (3) individualization of responsibilities. To deal with these issues and to clarify requirements of justification of interventions for the purpose of reduction in radiation-induced risks, we explored the ethical basis of the radiological protection system of the International Commission on Radiological Protection (ICRP). The ICRP's radiological protection system is established based on three normative ethics, i.e. utilitarianism, deontology and virtue ethics. The three ethical issues can be resolved based on the decision-making framework which is constructed in combination with these ethical theories. In addition, the interventions for inhabitants have the possibility to be justified in accordance with two ways. Firstly, when the dangers are severe and far-reaching, interventions could be justified with a sufficient explanation about the nature of harmful effects (or beneficial consequences). Secondly, if autonomy of intervened-individuals can be promoted, those interventions could be justified. (author)

  10. Social Media and Scientific Meetings: Education Exhibit "Likes" at the Radiological Society of North America Annual Meeting.

    Science.gov (United States)

    Bunch, Paul M; Wortman, Jeremy R; Andriole, Katherine P

    2016-03-01

    Viewers of electronic education exhibits at the 2013 and 2014 Radiological Society of North America meetings had the opportunity to "like" exhibits, as one might "like" a Facebook or an Instagram post. The purposes of this study were (1) to evaluate for a relationship between exhibit popularity and receiving an award or RadioGraphics invitation, (2) to evaluate for a relationship between exhibit recognition and subsequent popularity, and (3) to quantify and compare the electronic education exhibit likes at the 2013 and the 2014 meetings. Exhibit likes were recorded at the midpoints and ends of both meetings. Data analyses were performed by means of one-way analysis of variance and chi-square tests. There were similar numbers of electronic education exhibits at the 2013 (1856) and 2014 (1793) meetings with no significant difference between meeting years in the number of exhibits chosen for awards (423 vs. 404, P = 0.88) or for RadioGraphics solicitation (190 vs. 169, P = 0.46). In both meeting years, there were statistically significant associations between initial and overall exhibit popularity and exhibit recognition, as well as between exhibit recognition and subsequent popularity. A 152% increase in total likes recorded was observed at the 2014 meeting as compared to the 2013 meeting (11074 vs. 4391, P < 0.0001). Popular exhibits were significantly more likely to receive awards and RadioGraphics invitations. Receiving an award or RadioGraphics invitation was associated with subsequent increased exhibit popularity. Significantly more likes were recorded at the 2014 Radiological Society of North America meeting than at the 2013 meeting. Copyright © 2015 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.

  11. Appropriate Use Criteria for Fluoroscopically Guided Diagnostic and Therapeutic Sacroiliac Interventions: Results from the Spine Intervention Society Convened Multispecialty Collaborative.

    Science.gov (United States)

    MacVicar, John; Kreiner, D Scott; Duszynski, Belinda; Kennedy, David J

    2017-11-01

    To provide an overview of a multisociety effort to formulate appropriate use criteria for image-guided injections and radiofrequency procedures in the diagnosis and treatment of sacroiliac joint and posterior sacroiliac complex pain. The Spine Intervention Society convened a multisociety effort to guide physicians and define for payers the appropriate use of image-guided injections and radiofrequency procedures. An evidence panel was established to write systematic reviews, define key terms and assumptions, and develop clinical scenarios to be addressed. The rating panel considered the evidence presented in the systematic reviews, carefully reviewed the definitions and assumptions, and rated the clinical scenarios. Final median ratings, in combination with the level of agreement, determined the final ratings for the appropriate use of sacroiliac injections and radiofrequency neurotomy. More than 10,000 scenarios were addressed in the appropriate use criteria and are housed within five modules in the portal, available on the Spine Intervention Society website: Module 1: Clinical Indications and Imaging; Module 2: Anticoagulants; Module 3: Timing of Injections; Module 4: Number of Injections; and Module 5: Lateral Branch Radiofrequency Neurotomy. Within several of these modules, several issues of interest are identified and discussed. Physicians and payers can access the appropriate use criteria portal on the Spine Intervention Society's website and select specific clinical indications for a particular patient in order to learn more about the appropriateness of the intervention(s) under consideration. © 2017 American Academy of Pain Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com

  12. The society for gastrointestinal intervention. Are we, as an organization of disparate disciplines, cooperative or competitive?

    Science.gov (United States)

    Kozarek, Richard A

    2010-09-01

    This is the Fourth Annual Meeting of the Society for Gastrointestinal Intervention, a multi-disciplinary group of practitioners committed to a minimally invasive approach to both the diagnosis and treatment of digestive disorders. The key concepts are minimally invasive and multi-disciplinary which can be construed as practicing in parallel with occasional lines of procedural and clinical interaction or inter-disciplinary in which patients are acutely cared for by a team, with treatments tailored to the patient and not the discipline that touches the patient first. In reality, many of us exist in both worlds. Most universities and large clinics are structured in departments along traditional training lines. As such, Interventional Radiology is housed in the Radiology Department, Laparoscopic Surgery (and potentially NOTES), as a component of the General Surgery Division, and Therapeutic Endoscopy usually resides within a gastroenterology structural framework. These divisions have historically been kept separate by multiple forces: salaries and budgets usually reside in a larger division. As a group, the amount of practice devoted to GI disorders is variable (for instance, minimally invasive surgeons may approach the adrenal glands or lung lesions in some institutions and interventional radiologists often sample tissue in multiple areas outside the GI tract, and by virtue of access to the vascular tree, can stent, embolize, or TPA almost any area of the body), as well as inherent differences in our individual abilities to access organs. I have already mentioned that angiographic capabilities allow the interventional radiologist access to virtually every GI organ and those capabilities allow therapeutic options for bleeding, tumor embolization, stenting of stenotic lesions, and formation of intravascular shunts. As such, there is very limited interdisciplinary competition here although capsule endoscopy as well as double and single balloon enteroscopy have improved

  13. Comparison of Performance Characteristics of American College of Radiology TI-RADS, Korean Society of Thyroid Radiology TIRADS, and American Thyroid Association Guidelines.

    Science.gov (United States)

    Middleton, William D; Teefey, Sharlene A; Reading, Carl C; Langer, Jill E; Beland, Michael D; Szabunio, Margaret M; Desser, Terry S

    2018-05-01

    The American College of Radiology (ACR) Thyroid Imaging Reporting and Data System (TI-RADS) provides guidelines to practitioners who interpret sonographic examinations of thyroid nodules. The purpose of this study is to compare the ACR TI-RADS system with two other well-established guidelines. The ACR TI-RADS, the Korean Society of Thyroid Radiology (KSThR) Thyroid Imaging Reporting and Data System (TIRADS), and the American Thyroid Association guidelines were compared using 3422 thyroid nodules for which pathologic findings were available. The composition, echogenicity, margins, echogenic foci, and size of the nodules were assessed to determine whether a recommendation would be made for fine-needle aspiration or follow-up sonography when each system was used. The biopsy yield of malignant findings, the yield of follow-up, and the percentage of malignant and benign nodules that would be biopsied were determined for all nodules and for nodules 1 cm or larger. The percentage of nodules that could not be classified was 0%, 3.9%, and 13.9% for the ACR TI-RADS, KSThR TIRADS, and ATA guidelines, respectively. The biopsy yield of malignancy was 14.2%, 10.2%, and 10.0% for nodules assessed by the ACR TI-RADS, KSThR TIRADS, and ATA guidelines, respectively. The percentage of malignant nodules that were biopsied was 68.2%, 78.7%, and 75.9% for the ACR TI-RADS, the KSThR TIRADS, and the ATA guidelines, respectively, whereas the percentage of malignant nodules that would be either biopsied or followed was 89.2% for the ACR TI-RADS. The percentage of benign nodules that would be biopsied was 47.1%, 79.7%, and 78.1% for the ACR TI-RADS, the KSThR TIRADS, and the ATA guidelines, respectively. The percentage of benign nodules that would be either biopsied or followed was 65.2% for the ACR TI-RADS. The ACR TI-RADS performs well when compared with other well-established guidelines.

  14. Interventional radiological therapy of benign low back pain syndromes; Interventionell radiologische Therapie benigner lumbaler Schmerzsyndrome

    Energy Technology Data Exchange (ETDEWEB)

    Huegli, R.W.; Jacob, A.L.; Steinbrich, W. [Universitaetsspital Basel (Switzerland). Interventionelle Radiologie

    2007-03-15

    Spinal affections belong to the most widespread sources of back pain. Beside medical history and clinical examination, the radiological investigation plays an important rote in the clinical workup especially with the modern Cross sectional imaging methods such as computed and magnetic resonance tomography. After exclusion of a malignant disease usually a conservative therapeutic approach is the first line treatment option. If the conservative treatment approach falls a minimalinvasive image guided diagnostic or therapeutic infiltration may be considered. Thereby the interventional radiologist should be a member of the team which decides the clinical strategy. This article describes epidemiology and pathophysiology, common pre-interventional diagnostic strategies, drugs, indications, possible complications and the impact of diagnostic and therapeutic minimally invasive image guided techniques in low back pain. In this context facet joint blockade, periradicular and peridural therapy as well as sacroiliac joint blockades are discussed.

  15. On-field evaluation of operator lens protective devices in interventional radiology

    International Nuclear Information System (INIS)

    Strocchi, S.; Chiaravalli, A.; Veronese, I.; Novario, R.

    2016-01-01

    The recent publication of the Euratom Directive 2013/59, adopting the reduction of eye lens dose limits from 150 to 20 mSv y"-"1, calls for the development of new tools and methodologies for evaluating the eye lens dose absorbed by the medical staff involved in interventional radiology practices. Moreover, the effectiveness of the protective devices, like leaded glasses, which can be employed for radiation protection purposes, must be tested under typical exposure scenarios. In this work, eye lens dose measurements were carried out on an anthropomorphic phantom simulating a physician bound to perform standard interventional neuroradiology angiographic procedures. The correlation between eye lens doses, in terms of Hp(0.07), and the equivalent dose [again in terms of Hp(0.07)] monthly measured with thermoluminescent dosemeters placed above the lead apron at the chest level was studied, in the presence and in the absence of different types of leaded glasses. (authors)

  16. Assessment of eye lens doses for workers during interventional radiology procedures

    International Nuclear Information System (INIS)

    Urboniene, A.; Sadzeviciene, E.; Ziliukas, J.

    2015-01-01

    The assessment of eye lens doses for workers during interventional radiology (IR) procedures was performed using a new eye lens dosemeter. In parallel, the results of routine individual monitoring were analysed and compared with the results obtained from measurements with a new eye lens dosemeter. The eye lens doses were assessed using H p (3) measured at the level of the eyes and were compared with H p (10) measured with the whole-body dosemeter above the lead collar. The information about use of protective measures, the number of performed interventional procedures per month and their fluoroscopy time was also collected. The assessment of doses to the lens of the eye was done for 50 IR workers at 9 Lithuanian hospitals for the period of 2012-2013. If the use of lead glasses is not taken into account, the estimated maximum annual dose equivalent to the lens of the eye was 82 mSv. (authors)

  17. Recommendations for equipment requirements and specifications for digital and interventional radiology: Dosimetric aspects

    International Nuclear Information System (INIS)

    Suliman, I.I.; Zoetelief, J.

    2002-01-01

    The recognition of radiation induced injuries from fluoroscopically guided interventional procedures has resulted in the current demand for development of recommendations and standards to limit dose to both patients and staff. This paper outlines the recommendations drafted within the framework of European Project DIMOND III. The actual work involves survey and review of national and international documents as well as scientific publications in areas relevant to the digital and/or interventional radiology with an aim of developing recommendations for equipment requirements and specifications for digital and interventional radiology. A pilot study of experimental investigations in at least three hospitals will be conducted to test the requirements and the specifications, the result of which will be presented. The recommendations are expected to provide an effective means of dose reduction to both patients and staff while maintaining image quality adequate for the specific diagnosis or interventional procedure. Different components of x-ray systems that have direct impact on patient and staff doses have been considered. Where necessary a compromise between patient dose and image quality has been made. The dosimetric aspects of the recommendations propose detailed descriptions and limits to dosimetric information relevant to patient and staff doses. International recommendations on maximum patient entrance surface dose rate vary in the range from 25 to 65 mGy.min -1 for normal mode fluoroscopy. Maximum image intensifier or image receptor input dose rate around 0.1 Gy min -1 at a distance 30 cm from the image intensifier input surface has been generally recommended. Maximum fluoroscopic dose rate in air must not exceed 50 mGy.min -1 at a location depending on the configuration e.g. for undertable x-ray tube at 10 mm from the patient support on the patient side of the support. The use of pulsed fluoroscopy or low dose fluoroscopy is proposed as good options to minimize

  18. Pediatric radiologists: who we are and what we do. Results of a membership survey of the Society for Pediatric Radiology - 1999

    International Nuclear Information System (INIS)

    Goske, M.J.; Lieber, M.; Lebowitz, R.L.; Ablin, D.; Royal, S.

    2000-01-01

    Background. There is a need for reliable monitoring of workforce trends in the field of pediatric radiology by the Society for Pediatric Radiology. In addition, the Society should periodically assess itself as to its mission and relevance to its members via membership surveys. Objective. The Membership Committee of the Society for Pediatric Radiology, 1999, conducted a 54-question survey to determine the makeup of its members, job profiles, satisfaction with services of the Society for Pediatric Radiology, and its official journal, Pediatric Radiology. Materials and methods. Seven hundred fifty surveys were given to active members of the Society for Pediatric Radiology in the United States and Canada. There were 275 surveys returned for an overall response of 37%. Results. Mean age of members is 48 years with 99 % of respondents working. Membership is 34 % female and 66 % male. Women members of the Society are younger (45 vs 49 years, P = 0.0012) and work less hours (47.8 vs 51.0, P = 0.0135) than men. Fifty-seven percent of respondents practice in a freestanding children's hospital, 29 % in a ''children's hospital within a hospital,'' and 14 % are in community hospitals or an office-based practice. Eighty-two percent of the responding pediatric radiologist's time is spent in performing examination on children, with only 18 % spent on adult work or administration. Forty-eight percent work at more than one office. Sixty-one percent worked evenings or weekends, excluding night call. Two hundred twenty-two of 275 respondents had received a Certificate of Added Qualification. The meeting ''for CME credit'' was considered the most important benefit of Society membership. Most respondents read select articles in Pediatric Radiology. There was sentiment to decrease esoteric case reports in favor of review articles. Only 19 % of respondents submitted their articles to Pediatric Radiology initially. Conclusion. Pediatric radiologists are a diverse membership with the common

  19. Characteristics of the development of the radiological situation resulting from the accident, intervention levels and countermeasures

    International Nuclear Information System (INIS)

    Belyaev, S.T.; Demin, V.F.; Kutkov, V.A.; Bariakhtar, V.G.; Petriaev, E.P.

    1996-01-01

    Great efforts have been made in the frame of the national and international research programs to get complete data on the radioactive releases, environmental contamination and radiological situation resulted from the Chernobyl accident. Beginning from the first publication (IAEA meeting, August 1986) these data have been considerably improved and added. The most important change of them with their influence on the decision making in the mitigation activity and the current situation is described and analyzed. The national and international regulatory documents at the moment of the accident were neither complete nor perfect in some necessary aspects especially in respect to the countermeasures at the intermediate and long-term phases. New documents have been worked out during the intervention activity. From 1986 series of documents were developed on the national and international levels. These documents are considered and analyzed in the context of their practical implementation and by the modern experience and research results. The history of countermeasures adopted on the different intervention phases are described. These documents mainly establish intervention levels in terms of averted doses and regulate only radiation protection. They don't content any intervention levels in terms of residual doses and risk, which are necessary for regulation of social and health protection of population suffered from the accident. Other restriction for the optimal regulation comes from use of the effective dose for establishing intervention levels. These and other respective aspects are discussed

  20. Radiation exposures received by the staff in the interventional radiology unit

    International Nuclear Information System (INIS)

    Vekic, Branko; Miljanic, S.; Ban, R.; Ranogajec-Komor, M.; Stern-Padovan, R.; Basic, B.

    2008-01-01

    Full text: As a consequence of the highly nonuniform exposure conditions in the interventional radiology, a reliable estimation of the effective dose for occupationally exposed persons requires a number of dose measurements at various locations of the body. The nonuniform occupational exposure is mainly associated with the relatively short distance to the radiation source (the scattered radiation from the patient) and the attenuation of the scattered radiation by protective clothing and shielding. The staff who undertake these procedures may receive radiation doses approaching the dose limits suggested by International Commission on Radiological Protection (ICRP 1991) if there is a high patient workload, for extended period of time. According to the Croatian radiation protection regulations for the effective dose estimation it is mandatory to use one dosimeter placed at the left side of the chest under the protective apron. From the dosimeter reading (dosimeter is calibrated in term of H p (10)) the effective dose is estimated. If additional dosimeters are worn on different parts of the body, their results have to be recorded, but they are not used for effective dose estimations. In the University Hospital Zagreb the personnel performing interventional radiology procedures in addition to the dosimeter placed under the apron always wear another dosimeter placed on the apron at the neck or shoulder position. In this work, the results of recorded dosimetry measurements performed during the period of 10 years were analysed. Special attention was given to the evaluation of the effective dose. The results of only one dosimeter are compared with the results obtained with two dosimeters. In the later case the effective dose was evaluated using some proposed algorithms for double dosimetry. Since it is well known that the evaluation of effective dose from the reading (without any correction) of only one dosimeter placed under the apron usually underestimate the effective

  1. Interventional radiology and endovascular surgery in the treatment of ectopic pregnancies

    Energy Technology Data Exchange (ETDEWEB)

    Fornazari, Vinicius Adami Vayego; Szejnfeld, Denis; Elito, Julio Júnior; Goldman, Suzan Menasce [Universidade Federal de São Paulo, São Paulo, SP (Brazil)

    2015-07-01

    The advent of interventional radiology enabled remarkable advances in diagnosis and treatment of several situations in obstetrics and gynecology. In the field of obstetrics, these advances include temporary occlusion of the iliac arteries to the management of placenta accreta and/or prior, arteriovenous fistulas after embolization of uterine curettage and management of ectopic uterine and extra-uterine pregnancies. The non-tubal ectopic pregnancy, either cervical, abdominal, ovarian or in a cesarean scar, often represents major therapeutic challenge, especially when exists a desire to maintain fertility. Despite the systemic methotrexate therapy and surgical resection of the ectopic gestational sac be the most used therapeutic options, the interventionist approach of non-tubal ectopic pregnancies, direct injection of methotrexate in the gestational sac and intra-arterial chemoembolization of uterine arteries constitute in the currently literature viable, safe, effective modalities with low morbidity, shorter hospital stay, and rapid clinical recovery. Because of little variety of materials used, and the increase in training of specialists in the area, the radiological intervention as a treatment option in ectopic pregnancies is financially viable and present considerable accessibility in the world and at most of Brazilian medical centers.

  2. Control development of radiation protection and safety on personnel eye lens of interventional radiology

    International Nuclear Information System (INIS)

    Titik Kartika; Ishak

    2013-01-01

    The review on radiation protection and safety to the lens of personnel especially in interventional radiology activities has been carried out. The use of radiation in interventional radiology installations provide significant exposure to the lens of the eye, especially personnel. The results of the latest various surveys and researches on the effects of low dose radiation to the eye lens indicates that the eye lens dose threshold is less than the preconceived values. Based on these facts, recently, ICRP and IAEA provides recommendations regarding the reduction of the value of the eye lens dose limit for personnel. BAPETEN have adopted the value of the eye lens dose limit in the development of new regulations on radiation protection and safety. However, the application of this provision has various challenges that BAPETEN provide 3 (three) years transitional period. These challenges include the problem of monitoring the eye lens dose, the eye lens protective equipment which is not adequate, the lack of understanding of personnel related to the risk of low radiation to the eye lens, as well as the proper procedures to mitigate those risks. BAPETEN as a regulatory agency is expected to provide solutions to the problems faced by the stake holders. Therefore, to answer the challenge, it is necessary to develop better monitoring of radiation protection and safety. (author)

  3. The role of interventional radiology and imaging in pancreatic islet cell transplantation

    International Nuclear Information System (INIS)

    Dixon, S.; Tapping, C.R.; Walker, J.N.; Bratby, M.; Anthony, S.; Boardman, P.; Phillips-Hughes, J.; Uberoi, R.

    2012-01-01

    Pancreatic islet cell transplantation (PICT) is a novel treatment for patients with insulin-dependent diabetes who have inadequate glycaemic control or hypoglycaemic unawareness, and who suffer from the microvascular/macrovascular complications of diabetes despite aggressive medical management. Islet transplantation primarily aims to improve the quality of life for type 1 diabetic patients by achieving insulin independence, preventing hypoglycaemic episodes, and reversing hypoglycaemic unawareness. The islet cells for transplantation are extracted and purified from the pancreas of brain-stem dead, heart-beating donors. They are infused into the recipient's portal vein, where they engraft into the liver to release insulin in order to restore euglycaemia. Initial strategies using surgical access to the portal vein have been superseded by percutaneous access using interventional radiology techniques, which are relatively straightforward to perform. It is important to be vigilant during the procedure in order to prevent major complications, such as haemorrhage, which can be potentially life-threatening. In this article we review the history of islet cell transplantation, present an illustrated review of our experience with islet cell transplantation by describing the role of imaging and interventional radiology, and discuss current research into imaging techniques for monitoring graft function.

  4. A feasibility inquiry on the radiodermatitis secondary to an interventional radiology act

    International Nuclear Information System (INIS)

    Roudier, C.; Pirard, Ph.; Donadieu, J.

    2006-01-01

    The radiodermatitis is a burning of skin tissue and subcutaneous tissue in relation with ionizing radiation. In the medical practice, outside radiotherapy excluded of our study, it is observed only with acts of interventional radiology. The consequences of a radiodermatitis can be aesthetic, with appearance of a scar or a definitive alopecia, functional with loss of substance needing sometimes a remedial surgical act and finally oncologic with a risk of localised skin cancer. A radiodermatitis can appear with a radiation dose of 2 grays and its intensity worsens with the dose. Since the late 1970's about 200 cases of radiodermatitis have been reported. the most of cases have been reported between 1993 and 2000 and less than ten cases have been reported since 2000, suggesting a possible reduction of incidence explainable by a concomitant improvement of technological quality of the equipment. In order to confirm this eventual trend az feasibility study has been organised and is reported in this article. Given the results, this complication is still existing. In spite of the small number of observed cases, it is to notice that every procedures of interventional radiology are concerned. The preliminary character of this study encourages the institute of Health surveillance to work on the elaboration of a program of radiodermatitis surveillance. It could be associated to actions of improvement of the prevention and follow-up of patients, of feedback, and making easy an optimization of the practices. (N.C.)

  5. Should there be greater exposure to interventional radiology in the undergraduate curriculum?

    Directory of Open Access Journals (Sweden)

    Ojha U

    2017-12-01

    Full Text Available Utkarsh Ojha,1 Raihan Mohammed,2 Sayinthen Vivekanantham3 1Faculty of Medicine, Imperial College London, London, 2Department of Medicine, University of Cambridge, Cambridge, 3University of Aberdeen, Aberdeen, UK Abstract: Medical imaging has been one of the most revolutionary innovations in medicine. Today, as health care professionals shift their focus toward more sophisticated technology and minimally invasive procedures, interventional radiology (IR has become a rapidly expanding specialty. Despite these advances, there is a lack of doctors specializing in this field. A growing body of evidence suggests that the low number of applicants for posts may be due to poor exposure to the specialty at medical school. In this article, we outline the importance of IR in today’s health care system. Next, we evaluate the evidence that there is a lack of knowledge of IR not only among medical students in the UK but globally. We further discuss how a more effective incorporation of IR in the undergraduate curriculum can enhance medical students’ interest in the field and subsequently increase the number of doctors specializing in IR. Finally, we suggest alternative strategies to gauge medical students’ interest in IR, including teaching via e-learning and virtual reality. Keywords: interventional radiology, diagnostic imaging, innovation, medical education, e-learning, virtual reality

  6. A novel combined interventional radiologic and hepatobiliary surgical approach to a complex traumatic hilar biliary stricture.

    Science.gov (United States)

    NeMoyer, Rachel E; Shah, Mihir M; Hasan, Omar; Nosher, John L; Carpizo, Darren R

    2018-01-01

    Benign strictures of the biliary system are challenging and uncommon conditions requiring a multidisciplinary team for appropriate management. The patient is a 32-year-old male that developed a hilar stricture as sequelae of a gunshot wound. Due to the complex nature of the stricture and scarring at the porta hepatis a combined interventional radiologic and surgical approach was carried out to approach the hilum of the right and left hepatic ducts. The location of this stricture was found by ultrasound guidance intraoperatively using a balloon tipped catheter placed under fluoroscopy in the interventional radiology suite prior to surgery. This allowed the surgeons to select the line of parenchymal transection for best visualization of the stricture. A left hepatectomy was performed, the internal stent located and the right hepatic duct opened tangentially to allow a side-to-side Roux-en-Y hepaticojejunostomy (a Puestow-like anastomosis). Injury to the intrahepatic biliary ductal confluence is rarely fatal, however, the associated injuries lead to severe morbidity as seen in this example. Management of these injuries poses a considerable challenge to the surgeon and treating physicians. Here we describe an innovative multi-disciplinary approach to the repair of this rare injury. Copyright © 2018. Published by Elsevier Ltd.

  7. The availability of appropriately fitting personal protective aprons and jackets for angiographic and interventional radiology personnel

    International Nuclear Information System (INIS)

    Cremen, S.A.; McNulty, J.P.

    2014-01-01

    Purpose: This study explored the availability of personal protective equipment, lead or lead-free aprons or jackets, in angiographic and interventional radiology suites in the Republic of Ireland with a focus on the sizes available, appropriateness of fit and purchasing practices. Methods: All centres providing an angiographic or interventional radiology service in the Republic of Ireland were invited to participate with data being collected by means of a postal questionnaire exploring the above issues. Results: The mean number of aprons or jackets available across the centres who responded to the survey was 18.4 with the majority of these, 72%, being medium or large in size. Clinical specialists in three centres identified that there were insufficient aprons or jackets sized extra small or extra large within their departments and only one centre had a purchasing policy in place where individual staff were assigned a personal apron or jacket. Conclusion: Ill-fitting aprons or jackets will reduce the shielding provided to certain body regions by personal protective equipment. The use of over-sized aprons or jackets by staff is of particular concern based on the potential for inadvertent exposure to tissues where cancers may potentially be induced due to poor armhole fit. It is important to carefully consider purchasing practices and range of personal protective equipment sizes available in order to ensure that all staff receive the greatest possible protection from occupational radiation exposure

  8. Plans of the German Radiology Society and the Professional Association for Quality Assurance in Mammography

    International Nuclear Information System (INIS)

    Heywang-Koebrunner, S.H.

    2001-01-01

    A high level of quality is an unequivocal prerequisite for obtaining the highest possible accuracy in symptomatic patients and for reproducing the results concerning mortality reduction, which were obtained in large screening trials. Present deficiencies in Germany are due to legal regulations, which have not been updated and which are thus below European standard. Furthermore, the quality assurance program has not proven sufficiently effective for mammography. In order to promote mammographic quality assurance, the German Roentgen Society proposes an accreditation program. The accreditation, which concerns (A.) mammographic technique and positioning and (B.) mammographic reporting is not obligatory, but will allow acquisition of special official certificates, which may support the patients to find doctors who perform and read mammograms with high quality and expertise. The accreditation shall be performed by personel and/or institutions who are specifically trained surveyed. (orig.) [de

  9. Characterization of workplaces in interventional radiology using active dosemeters ALARA OD

    International Nuclear Information System (INIS)

    Prlic, I.; Milkovic-Kraus, S.; Mestrovic, T.; Suric-Mihic, M.; Vrtar, M.

    2005-01-01

    Full text: Because of progressive development and extended use of interventional radiology procedures it is highly recommended that all individuals involved in the process should be aware of the potential for both stochastic and deterministic effects due to occupational exposure. Interventional radiology procedures are essentially therapeutic and are performed by various medical specialists, not only by properly educated radiologists. As the procedures are performed in such a manner that certain number of medical staff are always needed near the patient, near the x- ray unit, ensuring 'safe' working environment in such radiation x-ray field geometry is a new challenge to regular radiation protection. In this work we are not primary concerned in relatively high doses delivered to patients undergoing interventional procedures. The patient is rather regarded as a secondary radiation source which emits scattered x-rays. The working staff, moving in mixed, primary and scattered x-ray field, is expected to be exposed to higher occupational doses due to combination of extended fluoroscopy times, elevated fluoroscopy currents and larger amount of radiographic images required. The protection of both patients and staff is to be upgraded. As passive dosemetes will give us clear knowledge only about the monthly integrated occupational dose, a reasonable doubt exists about the frequency and duration, of receiving the dose. Measuring dose rate is not a part of regular passive dosemeters monitoring systems. This is why we have developed active - electronic dosemeter device which provides us with additional dosimetry data about the frequency and duration of professional exposure burden. Digital dosemeter ALARA OD will record and integrate any occupational dose including the normal radiation background in the working area. It will record the time and duration of any fluoroscopic exposure done. This gives us the data about the dose rate of occupational radiation and frequency of

  10. Interventional radiology in cardiov ascular division of radiology department S.N.U hospital{sub s}taff roles and departmental management

    Energy Technology Data Exchange (ETDEWEB)

    Nam, Ki Chul; Cheung, Hwan [Seoul National University Hospital, Seoul (Korea, Republic of)

    1986-11-15

    As the angiography in the field of radiological sciences is being increasingly diversified in its techniques, clinical applications of interventional radiology are rapidly increasing not only for its usefulness in simple diagnosis but for its capabilities of affording, by means of radiological surveillance, biological data such as those concerning tissues which are even substitutionary or supplementary to treatment of diseases. During the last 5 years from July 1980 to 1984 such applications in the cardiovascular division showed a trend of radical increase and thus emerging as a new domain of radiological medicine which has vast influence on diagnosis and treatment. The present treatise presents the results of research performed on the following: 1) Need for close coordination among physicians, radiologists, and nurses in the radiology department. 2) Need for prior explanation to the patient of the procedure to be followed to relieve his anxiety. 3) Checking of the angiographic equipment and selection of technical factors. 4) Proper management of manpower including medical radiologists and assistant radiologists. 5) Sterilization of auxiliary equipment required for surgical operation. 6) Selection of a catheter and control of clinical materials such as contrast agents. 7) Supplementary arrangements for speedy performance of clinical services.

  11. The role of the Romanian Society for Radiological Protection and mass media in public information

    International Nuclear Information System (INIS)

    Andrei, Veronica; Glodeanu, Florian

    2011-01-01

    accepted by all participants, developed and passed on to future generations. Due to the variety of applications of radioactivity and ionizing radiation, the actors involved in radiation protection culture include professionals and non-professional members of society: politicians, entrepreneurs, NGOs, associations and societies, groups and parties, professional organizations, patients, media, schools and universities and the general public, as well. The main actors in disseminating the culture of radiation protection are professionals in this field and mass media. In effecting their profession they must act as communicators of scientific information, improving the public perception about the risks and benefits of radiation and radioactivity. The Romanian Society of Radiation Protection, the professional organization of practitioners in this area has among its main objectives to promote a culture of radiation protection and improvement of public perception through communication and involvement. Despite substantial efforts to disseminate information on radiation protection, sociological research shows that the average Romanian citizen has no adequate knowledge to make its own decisions. In this direction, radiation protection professionals should address effective communication methods such as 'exchange of information and opinions' and the involvement of interested groups in decision making. Mass media plays an important role in communicating with the public. The recent accident in Japan had a massive coverage in all media. On the other hand, the media must obtain the economic efficiency of published or broadcast news based on audience, according to the principle 'a bad news story is a profitable'. In addition journalists are poorly informed about the topics of radiation protection and have limited editorial space available to educate the public. (authors)

  12. Differential kinetics of response and toxicity using stereotactic radiation and interventional radiological coiling for pulmonary arterio-venous shunting from metastatic leiomyosarcoma

    International Nuclear Information System (INIS)

    Wong, Annie Ngai Man; Siva, Shankar; Chin, Kwang; Manser, Renee; Antippa, Phillip; Dowling, Richard; Mileshkin, Linda Rose

    2015-01-01

    Case report demonstrating the differential kinetics of response and toxicity using stereotactic radiation and interventional radiological coiling for pulmonary arterio-venous shunting from leiomyosarcoma pulmonary metastases.

  13. Qualification guideline of the German X-ray association (DRG) und the German association for interventional radiology and minimal invasive therapy (DeGIR) for the performance of interventional-radiological minimal invasive procedures on arteries and veins

    International Nuclear Information System (INIS)

    Buecker, A.; Gross-Fengels, W.; Haage, P.; Huppert, P.; Landwehr, P.; Loose, R.; Reimer, P.; Tacke, J.; Vorwerk, D.; Fischer, J.

    2012-01-01

    The topics covered in the qualification guideline of the German X-ray association (DRG) und the German association for interventional radiology and minimal invasive therapy (DeGIR) for the performance of interventional-radiological minimal invasive procedures on arteries and veins are the following: Practical qualification: aorta iliac vessels and vessels in the upper and lower extremities, kidney and visceral arteries, head and neck arteries, dialysis shunts, veins and pulmonary arteries, aorta aneurysms and peripheral artery aneurysms. Knowledge acquisition concerning radiation protection: legal fundamentals, education and training, knowledge actualization and quality control, definition of the user and the procedure, competence preservation.

  14. Advancing radiology through informed leadership: Summary of the proceedings of the Seventh Biannual Symposium of the International Society for Strategic Studies in Radiology (IS 3R), 23-25 August 2007

    NARCIS (Netherlands)

    A. Muellner (Ada); G.M. Glazer (Gary); M.F. Reiser (Maximilian); W.G. Bradley Jr. (William); G.P. Krestin (Gabriel); H. Hricak (Hedvig); J.H. Thrall (James)

    2009-01-01

    textabstractThe International Society for Strategic Studies in Radiology (IS 3R) brings together thought leaders from academia and industry from around the world to share ideas, points of view and new knowledge. This article summarizes the main concepts presented at the 2007 IS 3R symposium,

  15. Practice pattern of transthoracic needle biopsy: 2016 survey in the members of Korean society of thoracic radiology

    Energy Technology Data Exchange (ETDEWEB)

    Jo, Ye Seul [Dept. of Radiology, Incheon St. Mary' s Hospital, College of Medicine, The Catholic University of Korea, Incheon (Korea, Republic of); Han, Kyong Min [Dept. of Radiology, Seoul St. Mary' s Hospital, College of Medicine, The Catholic University of Korea, Seoul (Korea, Republic of); Park, Jai Soung [Dept. of Radiology, Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon (Korea, Republic of); Kim, Tae Jung [Dept. of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul (Korea, Republic of)

    2017-11-15

    To assess the current practice patterns of radiologists who perform transthoracic needle biopsy (TNB). An email survey of 71 questions on TNB was sent to 240 members of the Korean Society of Thoracic Radiology. The answers to multiple-choice questions (n = 56) were analyzed. Of 60 respondents, 45% had 10 or more years of experience in chest radiology, and 70% had 5 or more years of experience in TNB. For the question on the most frequently used diagnostic method for lesions with high probability of being resectable-stage lung cancer, 70% of respondents answered that TNB is initially used, with or without bronchoscopy. In patients at high-risk of TNB-related complications, the proportion of the respondents who consistently declined TNB was only 5%. The number of rebiopsies was said to be increased; molecular analysis for an established target therapy (43.6%) and clinical trial of a new drug (28.2%) were the two most common reasons for it. The most popular needle type was the coaxial cutting needle (55%), and the popular guiding modality was conventional computed tomography (CT) (56.7%). In addition, 15% of respondents have encountered air embolism. Despite high variation in how TNB is being performed in Korea, some patterns were noted. It is common for patients with resectable-stage lung cancer to undergo TNB prior to surgery. Rebiopsy is now more common than before, with personalized medicine as the most important reason for it. The most popular type of needle is the coaxial system; the most popular modality for guidance is still CT.

  16. Practice pattern of transthoracic needle biopsy: 2016 survey in the members of Korean society of thoracic radiology

    International Nuclear Information System (INIS)

    Jo, Ye Seul; Han, Kyong Min; Park, Jai Soung; Kim, Tae Jung

    2017-01-01

    To assess the current practice patterns of radiologists who perform transthoracic needle biopsy (TNB). An email survey of 71 questions on TNB was sent to 240 members of the Korean Society of Thoracic Radiology. The answers to multiple-choice questions (n = 56) were analyzed. Of 60 respondents, 45% had 10 or more years of experience in chest radiology, and 70% had 5 or more years of experience in TNB. For the question on the most frequently used diagnostic method for lesions with high probability of being resectable-stage lung cancer, 70% of respondents answered that TNB is initially used, with or without bronchoscopy. In patients at high-risk of TNB-related complications, the proportion of the respondents who consistently declined TNB was only 5%. The number of rebiopsies was said to be increased; molecular analysis for an established target therapy (43.6%) and clinical trial of a new drug (28.2%) were the two most common reasons for it. The most popular needle type was the coaxial cutting needle (55%), and the popular guiding modality was conventional computed tomography (CT) (56.7%). In addition, 15% of respondents have encountered air embolism. Despite high variation in how TNB is being performed in Korea, some patterns were noted. It is common for patients with resectable-stage lung cancer to undergo TNB prior to surgery. Rebiopsy is now more common than before, with personalized medicine as the most important reason for it. The most popular type of needle is the coaxial system; the most popular modality for guidance is still CT

  17. Dosimetric studies of the eye lens using a new dosemeter – Surveys in interventional radiology departments

    International Nuclear Information System (INIS)

    Pirchio, R.; Sánchez, H.; Domazet, W.

    2014-01-01

    During interventional radiology (IR) and cardiology (IC) procedures, medical staff can receive high doses to their eye lenses. The Retrospective Evaluation of Lens Injuries and Dose study organized in Argentina in 2010 found incipient opacity in 50% of IC physicians and 41% of IC technicians/nurses. These results, added to the recommendations of the International Commission on Radiological Protection, which lowered their former occupational equivalent dose limit for the lens, led us to assess the eye lens dose, Hp(3), during interventional procedures. To this end, a new dosemeter was designed and calibrated at the National Atomic Energy Commission of Argentina to evaluate Hp(3). Personal dose equivalent (Hp(10)), and Hp(3) were assessed for 3 months in two IC and IR departments. An Alderson phantom was used to simulate monthly exposures of five occupational staff members. Hp(3) and Hp(10) were obtained monthly for 14 occupational staff members exposed to 121 IR and IC procedures. We concluded that the annual effective dose and Hp(3) were lower than 0.3 and 10 mSv, respectively and the average cumulative Hp(3) for working life was lower than 400 and 200 mSv for physicians and technicians/scrub nurse, respectively. An occupational annual dose constraint of 0.3 mSv was calculated. - Highlights: • An eye lens dosimeters was designed at the Personal Dosimetry Laboratory of CNEA. • A successful dosimetric survey in two interventional departments was done. • The annual effective dose and the annual eye lens dose are lower than the ICRP dose thresholds. • In order to reduce doses actions should be promoted to maximize radiation protection

  18. PACS for surgery and interventional radiology: Features of a Therapy Imaging and Model Management System (TIMMS)

    International Nuclear Information System (INIS)

    Lemke, Heinz U.; Berliner, Leonard

    2011-01-01

    Appropriate use of information and communication technology (ICT) and mechatronic (MT) systems is viewed by many experts as a means to improve workflow and quality of care in the operating room (OR). This will require a suitable information technology (IT) infrastructure, as well as communication and interface standards, such as specialized extensions of DICOM, to allow data interchange between surgical system components in the OR. A design of such an infrastructure, sometimes referred to as surgical PACS, but better defined as a Therapy Imaging and Model Management System (TIMMS), will be introduced in this article. A TIMMS should support the essential functions that enable and advance image guided therapy, and in the future, a more comprehensive form of patient-model guided therapy. Within this concept, the 'image-centric world view' of the classical PACS technology is complemented by an IT 'model-centric world view'. Such a view is founded in the special patient modelling needs of an increasing number of modern surgical interventions as compared to the imaging intensive working mode of diagnostic radiology, for which PACS was originally conceptualised and developed. The modelling aspects refer to both patient information and workflow modelling. Standards for creating and integrating information about patients, equipment, and procedures are vitally needed when planning for an efficient OR. The DICOM Working Group 24 (WG-24) has been established to develop DICOM objects and services related to image and model guided surgery. To determine these standards, it is important to define step-by-step surgical workflow practices and create interventional workflow models per procedures or per variable cases. As the boundaries between radiation therapy, surgery and interventional radiology are becoming less well-defined, precise patient models will become the greatest common denominator for all therapeutic disciplines. In addition to imaging, the focus of WG-24 is to serve

  19. PACS for surgery and interventional radiology: features of a Therapy Imaging and Model Management System (TIMMS).

    Science.gov (United States)

    Lemke, Heinz U; Berliner, Leonard

    2011-05-01

    Appropriate use of information and communication technology (ICT) and mechatronic (MT) systems is viewed by many experts as a means to improve workflow and quality of care in the operating room (OR). This will require a suitable information technology (IT) infrastructure, as well as communication and interface standards, such as specialized extensions of DICOM, to allow data interchange between surgical system components in the OR. A design of such an infrastructure, sometimes referred to as surgical PACS, but better defined as a Therapy Imaging and Model Management System (TIMMS), will be introduced in this article. A TIMMS should support the essential functions that enable and advance image guided therapy, and in the future, a more comprehensive form of patient-model guided therapy. Within this concept, the "image-centric world view" of the classical PACS technology is complemented by an IT "model-centric world view". Such a view is founded in the special patient modelling needs of an increasing number of modern surgical interventions as compared to the imaging intensive working mode of diagnostic radiology, for which PACS was originally conceptualised and developed. The modelling aspects refer to both patient information and workflow modelling. Standards for creating and integrating information about patients, equipment, and procedures are vitally needed when planning for an efficient OR. The DICOM Working Group 24 (WG-24) has been established to develop DICOM objects and services related to image and model guided surgery. To determine these standards, it is important to define step-by-step surgical workflow practices and create interventional workflow models per procedures or per variable cases. As the boundaries between radiation therapy, surgery and interventional radiology are becoming less well-defined, precise patient models will become the greatest common denominator for all therapeutic disciplines. In addition to imaging, the focus of WG-24 is to serve

  20. The Society for Pediatric Radiology, 38th annual meeting, Washington, DC, USA, April 27-30, 1995. Gold medalists, honorary members, pioneer session, abstracts

    International Nuclear Information System (INIS)

    Anon.

    1995-01-01

    The contribution reports the highlights of the 38th annual meeting of the Society for Pediatric Radiology in Washington, DC, from 27 - 30 April, 1995. The abstracts of the 96 papers presented at the sessions on all pediatric subject fields are reproduced, and the gold medalists of the Society of the year 1995 are introduced with a brief c.v. and a survey of their careers. (VHE) [de

  1. Current role of MDCT in the diagnosis of coronary artery disease (2011). A clinical guideline of the Austrian Societies of Cardiology and Radiology

    International Nuclear Information System (INIS)

    Hergan, K.; Globits, S.; Loewe, C.

    2011-01-01

    The clinical guideline of the Austrian Societies for Cardiology and Radiology on the actual role of MDCT in the diagnosis of coronary artery diseases includes the following issues: CT calcium scoring; CT angiography (CTA) of the coronaries; actually recommended application of MDCR; generally inappropriate use of the technique for specific patients; radiation exposure; structural and organizational framework.

  2. Cost and Morbidity Analysis of Chest Port Insertion: Interventional Radiology Suite Versus Operating Room.

    Science.gov (United States)

    LaRoy, Jennifer R; White, Sarah B; Jayakrishnan, Thejus; Dybul, Stephanie; Ungerer, Dirk; Turaga, Kiran; Patel, Parag J

    2015-06-01

    To compare complications and cost, from a hospital perspective, of chest port insertions performed in an interventional radiology (IR) suite versus in surgery in an operating room (OR). This study was approved by an institutional review board and is HIPAA compliant. Medical records were retrospectively searched on consecutive chest port placement procedures, in the IR suite and the OR, between October 22, 2010 and February 26, 2013, to determine patients' demographic information and chest port-related complications and/or infections. A total of 478 charts were reviewed (age range: 21-85 years; 309 women, 169 men). Univariate and bivariate analyses were performed to identify risk factors associated with an increased complication rate. Cost data on 149 consecutive Medicare outpatients (100 treated in the IR suite; 49 treated in the OR) who had isolated chest port insertions between March 2012 and February 2013 were obtained for both the operative services and pharmacy. Nonparametric tests for heterogeneity were performed using the Kruskal-Wallis method. Early complications occurred in 9.2% (22 of 239) of the IR patients versus 13.4% (32 of 239) of the OR patients. Of the 478 implanted chest ports, 9 placed in IR and 18 placed in surgery required early removal. Infections from the ports placed in IR versus the OR were 0.25 versus 0.18 infections per 1000 catheters, respectively. Overall mean costs for chest port insertion were significantly higher in the OR, for both room and pharmacy costs (P chest ports in an OR setting was almost twice that of placement in the IR suite. Hospital costs to place a chest port were significantly lower in the IR suite than in the OR, whereas radiology and surgery patients did not show a significantly different rate of complications and/or infections. Copyright © 2015 American College of Radiology. Published by Elsevier Inc. All rights reserved.

  3. Transition in occupational radiation exposure monitoring methods in diagnostic and interventional radiology

    International Nuclear Information System (INIS)

    Loennroth, N.; Hirvonen-Kari, M.; Timonen, M.; Savolainen, S.; Kortesniemi, M.

    2008-01-01

    Radiation exposure monitoring is a traditional keystone of occupational radiation safety measures in medical imaging. The aim of this study was to review the data on occupational exposures in a large central university hospital radiology organisation and propose changes in the radiation worker categories and methods of exposure monitoring. An additional objective was to evaluate the development of electronic personal dosimeters and their potential in the digitised radiology environment. The personal equivalent dose of 267 radiation workers (116 radiologists and 151 radiographers) was monitored using personal dosimeters during the years 2006-2010. Accumulated exposure monitoring results exceeding the registration threshold were observed in the personal dosimeters of 73 workers (59 radiologists' doses ranged from 0.1 to 45.1 mSv; 14 radiographers' doses ranged from 0.1 to 1.3 mSv). The accumulated personal equivalent doses are generally very small, only a few angiography radiologists have doses >10 mSv per 5 y. The typical effective doses are -1 and the highest value was 0.3 mSv (single interventional radiologist). A revised categorisation of radiation workers based on the working profile of the radiologist and observed accumulated doses is justified. Occupational monitoring can be implemented mostly with group dosimeters. An active real-time dosimetry system is warranted to support radiation protection strategy where optimisation aspects, including improving working methods, are essential. (authors)

  4. Effective dose to patients in interventional vascular radiology in Malaga and Tenerife

    International Nuclear Information System (INIS)

    Ruiz Cruces, R.; Perez Martinez, M.; Diez de los Rios Delgado, A.; Hernandez Armas, J.; Garcia-Granados, J.; Diaz Romero, F.J.

    1997-01-01

    The objective of the research is to estimate the effective dose that patients receive during the procedure of interventional vascular radiology screening using a digital system. The effective dose is the best indicator of radiological risks. A plane ionization camera is used to estimate dose per surface area (Gy/square cm). By means of the method described in the NRPB R-262 report, projections were selected which adjust to the field irradiated in each of the procedures analysed. The product values of the dose surface and effective dose has been 75.7 Gy/cm 2 and 10.5 mSv for abdominal angiography; 29.0 Gy/cm 2 and 7.6 mSv for arteriographic diagnosis of the inferior members; 104.5 Gy/cm 2 and 23.6 mSv for gall drainage; 90.5 Gy/cm 2 and 21.5 mSv for varicoceles, and 39.5 Gy/cm 2 and 9.6 mSv for nephrostomas

  5. Individual monitoring of medical staff working in interventional radiology in Switzerland using double dosimetry

    International Nuclear Information System (INIS)

    Damet, J.; Bailat, C.; Bize, P.; Buchillier, Th.; Tosic, M.; Verdun, F.R.; Baechler, S.

    2011-01-01

    Physicians who frequently perform fluoroscopic examinations are exposed to high intensity radiation fields. The exposure monitoring is performed with a regular personal dosimeter under the apron in order to estimate the effective dose. However, large parts of the body are not protected by the apron (e.g. arms, head). Therefore, it is recommended to wear a supplemental dosimeter over the apron to obtain a better representative estimate of the effective dose. The over-apron dosimeter can also be used to estimate the eye lens dose. The goal of this study was to investigate the relevance of double dosimetry in interventional radiology. First the calibration procedure of the dosimeters placed over the apron was tested. Then, results of double dosimetry during the last five years were analyzed. We found that the personal dose equivalent measured over a lead apron was underestimated by ∼20% to ∼40% for X-ray beam qualities used in radiology. Measurements made over five-year period confirm that the use of a single under-apron dosimeter is inadequate for personnel monitoring. Relatively high skin dose (>10 mSv/month) would have remained undetected without a second dosimeter placed on the apron.

  6. Conclusions and recommendations of the European ORAMED project for practical interventional radiology and nuclear medicine

    International Nuclear Information System (INIS)

    Nikodemova, Denisa; Fueloep, Marko; Cabanekova, Helena

    2012-01-01

    The results of the recently published doses obtained by medical staff working in pulsed radiation fields, and performing interventional radiology (IR) or interventional cardiology (IC) procedures, as well as applications of radionuclides in nuclear medicine (NM), have shown significantly high levels of exposure, mainly to the hands and other parts of their bodies uncovered by protective equipment. The coordinated project ORAMED (Optimization of Radiation Protection of Medical Staff) was set-up by participation of 12 European countries and 34 IR/IC and NM departments, with the 5 main tasks: (i) optimization of radiation protection in IR and IC,with the aim to standardize a unified method of extremities and eye lens doses estimation, for 3 cardiac and 5 interventional diagnostic and therapeutic examinations; (ii) verification of the possibilities to use active personal dosemeters for typical pulsed radiation fields used in IR and IC; (iii) contribution to the extremities and eye lens dose reduction in nuclear medicine; (iv) development and application of a suitable eye lens dosemeter; and (v) elaboration of training materials and guidelines for radiation protection issues at IR, IC and NM workplaces. The present study presents some important results and recommendations for dose reduction and avoidance of some typical failures during work near ionizing radiation sources. (P.A.)

  7. Provision of out-of-hours interventional radiology services in Scotland

    International Nuclear Information System (INIS)

    Zealley, I.A.; Gordon, T.J.; Robertson, I.; Moss, J.G.; Gillespie, I.N.

    2012-01-01

    Aim: To evaluate the availability of out-of-hours (OOH) interventional radiology (IR) services in Scotland and discuss implications for service redesign. Materials and methods: Data were gathered via a survey conducted by telephone/e-mail interview. The setting was hospitals in Scotland with acute medical and/or surgical beds. The interviewees were consultant interventional radiologists representing each of the 14 geographical Health Boards in Scotland. Results: Three of the 14 geographical Health Boards provided a formal, prospectively planned OOH IR service in at least one hospital. Fourteen of the 34 acute hospitals provided an in-hours IR service, which includes endovascular haemorrhage control. Eight of the 34 acute hospitals had formal, prospectively planned on-call IR arrangements, 12 had an ad-hoc service, and 20 transferred patients to other facilities. Thirty-eight of the 223 consultant radiologists in Scotland were able to perform endovascular haemorrhage control procedures: only 18 of these 38 (47%) were included in on-call rotas. A further 42 radiologists were able to perform nephrostomy and a further 61 were able to perform abscess drainage. Eighty-two radiologists did not perform any interventional procedures. Conclusions: The provision of OOH IR services in Scotland is limited and available resources, both skills and equipment, are being underutilized. These data will be used to inform a process of OOH IR service redesign in Scotland.

  8. Interventional Radiological Treatment of Perihepatic Vascular Stenosis or Occlusion in Pediatric Patients After Liver Transplantation

    International Nuclear Information System (INIS)

    Uller, Wibke; Knoppke, Birgit; Schreyer, Andreas G.; Heiss, Peter; Schlitt, Hans J.; Melter, Michael; Stroszczynski, Christian; Zorger, Niels; Wohlgemuth, Walter A.

    2013-01-01

    Purpose: Evaluation of the efficacy and safety of percutaneous treatment of vascular stenoses and occlusions in pediatric liver transplant recipients. Methods: Fifteen children (mean age 8.3 years) underwent interventional procedures for 18 vascular complications after liver transplantation. Patients had stenoses or occlusions of portal veins (n = 8), hepatic veins (n = 3), inferior vena cava (IVC; n = 2) or hepatic arteries (n = 5). Technical and clinical success rates were evaluated. Results: Stent angioplasty was performed in seven cases (portal vein, hepatic artery and IVC), and sole balloon angioplasty was performed in eight cases. One child underwent thrombolysis (hepatic artery). Clinical and technical success was achieved in 14 of 18 cases of vascular stenoses or occlusions (mean follow-up 710 days). Conclusion: Pediatric interventional radiology allows effective and safe treatment of vascular stenoses after pediatric liver transplantation (PLT). Individualized treatment with special concepts for each pediatric patient is necessary. The variety, the characteristics, and the individuality of interventional management of all kinds of possible vascular stenoses or occlusions after PLT are shown

  9. Risk of bleeding associated with interventional musculoskeletal radiology procedures. A comprehensive review of the literature

    Energy Technology Data Exchange (ETDEWEB)

    Foremny, Gregory B.; Jose, Jean; Subhawong, Ty K. [University of Miami Miller School of Medicine, Department of Radiology, Jackson Memorial Hospital, Miami, FL (United States); Pretell-Mazzini, Juan [University of Miami Miller School of Medicine, Department of Orthopaedic Surgery-Division of Musculoskeletal Oncology, Miami, FL (United States)

    2015-05-01

    This review compiles the current literature on the bleeding risks in common musculoskeletal interventional procedures and attempts to provide guidance for practicing radiologists in making decisions regarding the periprocedural management of patients on antithrombotic therapy. The practitioner must weigh the risk of bleeding if therapy is continued against the possibility a thromboembolic occurring if anticoagulation therapy is withheld or reversed. Unfortunately, there is little empirical data to guide evidence-based decisions for many musculoskeletal interventions. However, a review of the literature shows that for low-risk procedures, such as arthrograms/arthrocenteses or muscle/tendon sheath injections, bleeding risks are sufficiently small that anticoagulants and antiplatelet therapies need not be withheld. Additionally, relatively higher-risk procedures, such as needle biopsies of bone and soft tissue, may be safely performed without holding antithrombotic therapy, provided pre-procedural INR is within therapeutic range. Thus, while a patient's particular clinical circumstances should dictate optimal individualized management, anticoagulation alone is not a general contraindication to most interventional musculoskeletal radiology procedures. (orig.)

  10. Use of digital dosemeters for supporting staff radiation safety in paediatric interventional radiology suites.

    Science.gov (United States)

    McNeil, Sarah M; Lai, Priscilla; Connolly, Bairbre L; Gordon, Christopher L

    2013-12-01

    Modern-day interventional radiology (IR) procedures impart a wide range of occupational radiation doses to team members. Unlike thermoluminescent badges, digital dosemeters provide real-time dose readings, making them ideal for identifying different components during IR procedures, which influence staff radiation safety. This study focused solely on paediatric IR (PIR) cases. Digital dosemeters measured the impact of imaging modality, shielding, patient and operator specific factors, on the radiation dose received during various simulated and real live PIR procedures. They recorded potential dose reductions of 10- to 100-fold to each staff member with appropriate use of shielding, choice of imaging method, staff position in the room and complex interplay of other factors. The digital dosemeters were well tolerated by staff. Results highlight some unique radiation safety challenges in PIR that arise from dose increases with magnification use and close proximity of staff to the X-ray beam.

  11. Development of a Real-time Hand Dose Monitor for Personnel in Interventional Radiology

    Energy Technology Data Exchange (ETDEWEB)

    Ban, N.; Nakaoka, H.; Haruta, R.; Murakami, Y.; Kubo, T.; Maeda, T.; Kusama, T

    2001-07-01

    Medical procedures denoted as interventional radiology require operation near an X ray beam, which brings high dose exposures to the operators' hands. For the effectual control of their extremity doses, a prototype of a real-time wrist dosemeter has been developed, hand dose monitor (HDM), based on a single silicon detector. Experiments were performed to test its response to diagnostic X rays. The HDM was highly sensitive and showed a linear response down to doses of a few tens of microsieverts. Though dose rate, energy and angular dependence of the response were observed in some extreme conditions, the HDM was proved to be of practical use if it was appropriately calibrated. Since an HDM enables personnel to check their hand doses on a real-time basis, it would enable medical staff to control the exposure themselves. (author)

  12. Radiation load of the extremities and eye lenses of the staff during selected interventional radiology procedures

    International Nuclear Information System (INIS)

    Nikodemova, Denisa; Trosanova, Dominika

    2010-01-01

    The Slovak Medical University in Bratislava is involved in the ORAMED (Optimization of Radiation Protection for Medical Staff) research project, aimed at developing a unified methodology for a more accurate assessment of professional exposure of interventional radiology staff, with focus on extremity and eye lens dosimetry in selected procedures. Three cardiac procedures and 5 angiography examinations were selected: all technical parameters were monitored and the dose equivalent levels were measured by TL dosimetry at 9 anatomic sites of the body. Preliminary results were obtained for the radiation burden of the eyes and extremities during digital subtraction angiography of the lower limbs, collected from 7 hospital departments in partner EU states. Correlations between the evaluated data and the influence of some parameters are shown

  13. Use of digital dosemeters for supporting staff radiation safety in paediatric interventional radiology suites

    International Nuclear Information System (INIS)

    McNeil, S. M.; Lai, P.; Connolly, B. L.; Gordon, C. L.

    2013-01-01

    Modern-day interventional radiology (IR) procedures impart a wide range of occupational radiation doses to team members. Unlike thermoluminescent badges, digital dosemeters provide real-time dose readings, making them ideal for identifying different components during IR procedures, which influence staff radiation safety. This study focused solely on paediatric IR (PIR) cases. Digital dosemeters measured the impact of imaging modality, shielding, patient and operator specific factors, on the radiation dose received during various simulated and real live PIR procedures. They recorded potential dose reductions of 10-to 100-fold to each staff member with appropriate use of shielding, choice of imaging method, staff position in the room and complex interplay of other factors. The digital dosemeters were well tolerated by staff. Results highlight some unique radiation safety challenges in PIR that arise from dose increases with magnification use and close proximity of staff to the X-ray beam. (authors)

  14. Measurements of eye lens doses in interventional radiology and cardiology: Final results of the ORAMED project

    International Nuclear Information System (INIS)

    Vanhavere, F.; Carinou, E.; Domienik, J.; Donadille, L.; Ginjaume, M.; Gualdrini, G.; Koukorava, C.; Krim, S.; Nikodemova, D.; Ruiz-Lopez, N.; Sans-Merce, M.; Struelens, L.

    2011-01-01

    Within the ORAMED project (Optimization of Radiation Protection of Medical Staff) a coordinated measurement program for occupationally exposed medical staff was performed in different hospitals in Europe ( (www.oramed-fp7.eu)). The main objective was to obtain a set of standardized data on extremity and eye lens doses for staff involved in interventional radiology and cardiology and to optimize radiation protection. Special attention was given to the measurement of the doses to the eye lenses. In this paper an overview will be given of the measured eye lens doses and the main influence factors for these doses. The measured eye lens doses are extrapolated to annual doses. The extrapolations showed that monitoring of the eye lens should be performed on routine basis.

  15. StarClose Vascular Closure Device: Prospective Study on 222 Deployments in an Interventional Radiology Practice

    International Nuclear Information System (INIS)

    Imam, Atique; Carter, Ranjana M. S.; Phillips-Hughes, Jane; Boardman, Philip; Uberoi, Raman

    2007-01-01

    The StarClose device (Abbott Vascular Devices; Abbott Laboratories, Redwood City, CA) utilizes an externally placed Nitinol clip to achieve arterial closure following femoral artery puncture. The objectives of this study were to assess the efficacy and complications of the StarClose device in patients undergoing interventional radiological procedures. Preprocedural clotting status, pulse and blood pressure, severity of vessel calcification, sheath size, and time to deployment were recorded. Postdeployment complications immediately postprocedure, at 1 h, at 2 h, and at 1 week were recorded. A duplex scan was performed in the first 10 patients to assess any immediate vascular complications. Deployments were successful in 96% achieving immediate hemostasis. Mean deployment time was 48 s. There were no major complications. The StarClose device was found to have a high technical and clinical efficacy

  16. Interventional radiology in the provision and maintenance of long-term central venous access

    International Nuclear Information System (INIS)

    Lyon, S.M.; Given, M.; Marshall, N.L.

    2008-01-01

    Establishing and maintaining venous access forms an increasing proportion of the workload in interventional radiology. Several patient groups require medium-term to long-term venous catheters for a variety of purposes, including chemotherapy, long-term antimicrobials, parenteral nutrition, short-term access for haemodialysis or exhausted haemodialysis. Often, these catheters are required for treatment and frequent blood testing, which can quickly exhaust the peripheral veins. Venous access devices include implantable catheters (ports), tunnelled catheters and peripherally inserted central catheters, which have different functions, advantages and limitations. Imaging-guided placement is the preferred method of insertion in many institutions because of higher success rates and radiologists are well suited to address catheter complications.

  17. Finger doses during interventional radiology: The value of flexible protective gloves

    International Nuclear Information System (INIS)

    Vehmas, T.

    1991-01-01

    Finger doses of radiologists and assistants during 19 interventional radiological procedures were measured with thermoluminescent dosimeters (TLDs), and two types of flexible protective gloves were compared with each other. There were considerable differences in doses between different sites of TLDs on fingers. The exact site of TLDs on hands/fingers should thus be reported in papers. Both gloves were also irradiated through an Alderson phantom and the attenuation values were measured. The gloves with slightly greater attenuation proved to be significantly less comfortable to use. Wearing flexible protective gloves did not lengthen screening times as compared to a previous study in the same department. Various aspects of using such gloves are discussed. The attenuation values of gloves reported by the manufacturers may not apply under all clinical circumstances. (orig.) [de

  18. Characterization of a MOSkin detector for in vivo skin dose measurements during interventional radiology procedures

    Energy Technology Data Exchange (ETDEWEB)

    Safari, M. J.; Wong, J. H. D.; Ng, K. H., E-mail: ngkh@um.edu.my [Department of Biomedical Imaging, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia and University of Malaya Research Imaging Centre, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603 (Malaysia); Jong, W. L. [Clinical Oncology Unit, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603 (Malaysia); Cutajar, D. L.; Rosenfeld, A. B. [Centre for Medical Radiation Physics, University of Wollongong, Wollongong, NSW 2522 (Australia)

    2015-05-15

    Purpose: The MOSkin is a MOSFET detector designed especially for skin dose measurements. This detector has been characterized for various factors affecting its response for megavoltage photon beams and has been used for patient dose measurements during radiotherapy procedures. However, the characteristics of this detector in kilovoltage photon beams and low dose ranges have not been studied. The purpose of this study was to characterize the MOSkin detector to determine its suitability for in vivo entrance skin dose measurements during interventional radiology procedures. Methods: The calibration and reproducibility of the MOSkin detector and its dependency on different radiation beam qualities were carried out using RQR standard radiation qualities in free-in-air geometry. Studies of the other characterization parameters, such as the dose linearity and dependency on exposure angle, field size, frame rate, depth-dose, and source-to-surface distance (SSD), were carried out using a solid water phantom under a clinical x-ray unit. Results: The MOSkin detector showed good reproducibility (94%) and dose linearity (99%) for the dose range of 2 to 213 cGy. The sensitivity did not significantly change with the variation of SSD (±1%), field size (±1%), frame rate (±3%), or beam energy (±5%). The detector angular dependence was within ±5% over 360° and the dose recorded by the MOSkin detector in different depths of a solid water phantom was in good agreement with the Markus parallel plate ionization chamber to within ±3%. Conclusions: The MOSkin detector proved to be reliable when exposed to different field sizes, SSDs, depths in solid water, dose rates, frame rates, and radiation incident angles within a clinical x-ray beam. The MOSkin detector with water equivalent depth equal to 0.07 mm is a suitable detector for in vivo skin dosimetry during interventional radiology procedures.

  19. Development of a calibration methodology for instruments used to interventional radiology quality control

    International Nuclear Information System (INIS)

    Miranda, Jurema Aparecida de

    2009-01-01

    Interventional radiology is the technique where X radiation images are used as a tool in the conduction of diagnostic or/and therapeutic procedures. The exposition times are long for both procedures, diagnostic and therapeutic, may cause serious injuries in the patient, and also contribute to the dose of the clinical staff. In Brazil there are not yet well established rules to determine the doses and to make the dosimetry in fluoroscopic beams. There is great interest in this study, in relation to the beam quality, the half-value-layer, and others parameters. In this work a Medicor Neo Diagnomax clinical X ray generator, fluoroscopy mode, was used to develop a calibration methodology for instruments used in interventional radiology quality control. One plane parallel ionization chamber PTW was used as monitor. The ionization chambers recommended for fluoroscopy measurements had been evaluated and calibrated in relation to the IPEN Calibration Laboratory reference ionization chamber. The RQR3, RQR5 and RQR7 radiation qualities and the specific ones for fluoroscopy, RQC3, RQC5 and RQC7, were established following the norm IEC 61267. All beams characteristics were determined. Ionization chambers positioning system and the acrylic phantoms to the entrance and exit doses determination were developed and constructed. The results obtained show air kerma rates of 4.5x10 -3 , 1.2x10 -2 and 1.9x10 -2 Gy/min for RQC3, RQC5 and RQC7 respectively. Tests with and without the collimation just after the monitor chamber, were carried out and the results showed a difference of +5.5%, +0.6% e + 0.8%, confirming the importance of the collimation use in these interventionist procedures. (author)

  20. The novel application of Benford's second order analysis for monitoring radiation output in interventional radiology.

    Science.gov (United States)

    Cournane, S; Sheehy, N; Cooke, J

    2014-06-01

    Benford's law is an empirical observation which predicts the expected frequency of digits in naturally occurring datasets spanning multiple orders of magnitude, with the law having been most successfully applied as an audit tool in accountancy. This study investigated the sensitivity of the technique in identifying system output changes using simulated changes in interventional radiology Dose-Area-Product (DAP) data, with any deviations from Benford's distribution identified using z-statistics. The radiation output for interventional radiology X-ray equipment is monitored annually during quality control testing; however, for a considerable portion of the year an increased output of the system, potentially caused by engineering adjustments or spontaneous system faults may go unnoticed, leading to a potential increase in the radiation dose to patients. In normal operation recorded examination radiation outputs vary over multiple orders of magnitude rendering the application of normal statistics ineffective for detecting systematic changes in the output. In this work, the annual DAP datasets complied with Benford's first order law for first, second and combinations of the first and second digits. Further, a continuous 'rolling' second order technique was devised for trending simulated changes over shorter timescales. This distribution analysis, the first employment of the method for radiation output trending, detected significant changes simulated on the original data, proving the technique useful in this case. The potential is demonstrated for implementation of this novel analysis for monitoring and identifying change in suitable datasets for the purpose of system process control. Copyright © 2013 Associazione Italiana di Fisica Medica. Published by Elsevier Ltd. All rights reserved.

  1. Essential items for structured reporting of rectal cancer MRI: 2016 consensus recommendation from the Korean society of abdominal radiology

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2017-01-15

    High-resolution rectal MRI plays a crucial role in evaluating rectal cancer by providing multiple prognostic findings and imaging features that guide proper patient management. Quality reporting is critical for accurate effective communication of the information among multiple disciplines, for which a systematic structured approach is beneficial. Existing guides on reporting of rectal MRI are divergent on some issues, largely reflecting the differences in overall management of rectal cancer patients between the United States and Europe. The Korean Society of Abdominal Radiology (KSAR) study group for rectal cancer has developed an expert consensus recommendation regarding essential items for structured reporting of rectal cancer MRI using a modified Delphi method. This recommendation aims at presenting an up-to-date, evidence-based, practical, structured reporting template that can be readily adopted in daily clinical practice. In addition, a thorough explanation of the clinical and scientific rationale underlying the reporting items and their formats is provided. This KSAR recommendation may serve as a useful tool to help achieve more standardized optimal care for rectal cancer patients using rectal MRI.

  2. Essential items for structured reporting of rectal cancer MRI: 2016 consensus recommendation from the Korean society of abdominal radiology

    International Nuclear Information System (INIS)

    2017-01-01

    High-resolution rectal MRI plays a crucial role in evaluating rectal cancer by providing multiple prognostic findings and imaging features that guide proper patient management. Quality reporting is critical for accurate effective communication of the information among multiple disciplines, for which a systematic structured approach is beneficial. Existing guides on reporting of rectal MRI are divergent on some issues, largely reflecting the differences in overall management of rectal cancer patients between the United States and Europe. The Korean Society of Abdominal Radiology (KSAR) study group for rectal cancer has developed an expert consensus recommendation regarding essential items for structured reporting of rectal cancer MRI using a modified Delphi method. This recommendation aims at presenting an up-to-date, evidence-based, practical, structured reporting template that can be readily adopted in daily clinical practice. In addition, a thorough explanation of the clinical and scientific rationale underlying the reporting items and their formats is provided. This KSAR recommendation may serve as a useful tool to help achieve more standardized optimal care for rectal cancer patients using rectal MRI

  3. The role of interventional radiology in management of patients with end-stage renal disease

    International Nuclear Information System (INIS)

    Surlan, M.; Popovic, P.

    2003-01-01

    The aim of the paper is to review the role of interventional radiology in the management of hemodialysis vascular access and complications in renal transplantation. The evaluation of patients with hemodialysis vascular access is complex. It includes the radiology/ultrasound (US) evaluation of the peripheral veins of the upper extremities with venous mapping and the evaluation of the central vein prior to the access placement and radiological detection and treatment of the stenosis and thrombosis in misfunctional dialysis fistulas. Preoperative screening enables the identification of a suitable vessel to create a hemodynamically-sound dialysis fistula. Clinical and radiological detection of the hemodynamically significant stenosis or occlusion demands fistulography and endovascular treatment. Endovascular prophylactic dilatation of stenosis greater than 50% with associated clinical abnormalities such as flow-rate reduction is warranted to prolong access patency. The technical success rates are over 90% for dilatation. One-year primary patency rate in forearm fistula is 51%, versus graft 40%. Stents are placed only in selected cases; routinely in central vein after dilatation, in ruptured vein and elastic recoil. Thrombosed fistula and grafts can be declotted by purely mechanical methods or in combination with a lytic drug. The success rate of the technique is 89-90%. Primary patency rate is 8-26% per year and secondary 75% per year. The most frequently radiologically evaluated and treated complications in renal transplantation are perirenal and renal fluid collection and abnormalities of the vasculature and collecting system. US is often the method of choice for the diagnostic evaluation and management of the percutaneous therapeutic procedures in early and late transplantation complications. Computed tomography and magnetic resonance are valuable alternatives when US is inconclusive. Renal and perirenal fluid collection are usually treated successfully with

  4. Proceedings of the 5. Regional congress on radiation protection and safety; 2. Iberian and Latin American Congress on Radiological Protection Societies; Regional IRPA Congress

    International Nuclear Information System (INIS)

    2001-01-01

    The Fifth Regional Congress on Radiation Protection and Nuclear Safety has been held in Recife (Brazil), from 29th April to 4th May 2001. The congress was hosted by the Brazilian Radiation Protection Society, under the joint sponsorship of FRALC and UFPE-DEN Department of Nuclear Energy. Its designation as a Regional IRPA Congress has been requested. The main purpose of the meeting was to bring together professionals from the industry, universities and research laboratories to present and discuss the latest research results, and to review the state of the art on applied and fundamental aspects of the radiation protection. These specialists have talked about nuclear safety and radiological protection, radiation natural exposure, biological effect of radiation, radiotherapy and medical radiological safety, radiological safety in industry and research. In their discussions, also were included subjects related to radiological safety of nuclear and radioactive facilities, radioactive waste management, radioactive material transport, environmental radiological monitoring program, radiological emergency and accidents, instruments and dosimetry, basic safety standards of protection against radiation

  5. Benefits of an automatic patient dose registry system for interventional radiology and cardiology at five hospitals of the Madrid area

    International Nuclear Information System (INIS)

    Fernandez-Soto, J.M.; Vano, E.; Sanchez, R.M.; Ten, J.I.; Espana, M.; Pifarre, X.

    2015-01-01

    The purpose of this article is to present the results of connecting the interventional radiology and cardiology laboratories of five university hospitals to a unique server using an automatic patient dose registry system (Dose On Line for Interventional Radiology, DOLIR) developed in-house, and to evaluate its feasibility more than a year after its introduction. The system receives and stores demographic and dosimetric parameters included in the MPPS DICOM objects sent by the modalities to a database. A web service provides a graphical interface to analyse the information received. During 2013, the system processed 10 788 procedures (6874 cardiac, 2906 vascular and 1008 neuro interventional). The percentages of patients requiring clinical follow-up due to potential tissue reactions before and after the use of DOLIR are presented. The system allowed users to verify in real-time, if diagnostic (or interventional) reference levels are fulfilled. (authors)

  6. Patient Evaluation and Preparation in Vascular and Interventional Radiology: What Every Interventional Radiologist Should Know (Part 1: Patient Assessment and Laboratory Tests)

    Energy Technology Data Exchange (ETDEWEB)

    Taslakian, Bedros, E-mail: btaslakian@gmail.com [NYU Langone Medical Center, Department of Radiology (United States); Sebaaly, Mikhael Georges, E-mail: ms246@aub.edu.lb; Al-Kutoubi, Aghiad, E-mail: mk00@aub.edu.lb [American University of Beirut Medical Center, Department of Diagnostic Radiology (Lebanon)

    2016-03-15

    Performing an interventional procedure imposes a commitment on interventional radiologists to conduct the initial patient assessment, determine the best course of therapy, and provide long-term care after the procedure is completed. After patient referral, contact with the referring physician and multidisciplinary team approach is vital. In addition, clinical history, physical examination, as well as full understanding of the pre-procedural laboratory results and imaging findings can guide the interventional radiologist to implement the most appropriate management plan, avoid unnecessary procedures, and prevent complications to achieve a successful outcome. We provide a comprehensive, methodical review of pre-procedural care and management in patients undergoing vascular and interventional radiology procedures.

  7. Patient Evaluation and Preparation in Vascular and Interventional Radiology: What Every Interventional Radiologist Should Know (Part 1: Patient Assessment and Laboratory Tests)

    International Nuclear Information System (INIS)

    Taslakian, Bedros; Sebaaly, Mikhael Georges; Al-Kutoubi, Aghiad

    2016-01-01

    Performing an interventional procedure imposes a commitment on interventional radiologists to conduct the initial patient assessment, determine the best course of therapy, and provide long-term care after the procedure is completed. After patient referral, contact with the referring physician and multidisciplinary team approach is vital. In addition, clinical history, physical examination, as well as full understanding of the pre-procedural laboratory results and imaging findings can guide the interventional radiologist to implement the most appropriate management plan, avoid unnecessary procedures, and prevent complications to achieve a successful outcome. We provide a comprehensive, methodical review of pre-procedural care and management in patients undergoing vascular and interventional radiology procedures

  8. Interventional radiology simulation and measurement of patient doses; Simulacion en radiologia intervencionista y medida de dosis a pacientes

    Energy Technology Data Exchange (ETDEWEB)

    Herraiz Lablanca, M. d.; Diaz Romero, F.; Hernandez Armas, J.

    2011-07-01

    In this paper we propose a method of work to calculate the effective dose in any interventional radiology procedure using an Alderson Rando anthropomorphic phantom and dosimeters TLD 100 chip. We applied this method in the case of biliary drainage and allowed us to establish the dose value corresponding reference in the Hospital Universitario de Canarias (HUC).

  9. Improving patient follow-up in interventional radiology and radiation-based acts. To reduce the risk of deterministic effects

    International Nuclear Information System (INIS)

    Etard, Cecile; Aubert, Bernard; Lafont, Marielle; Mougniot, Sandrine; Rousse, Carole; Bey, Eric; Cassagnes, Lucie; Guersen, Joel; Ducou Le Pointe, Hubert; Elhadad, Simon; Georges, Jean-Louis; Nonent, Michel; Paisant-Thouveny, Francine; Salvat, Cecile; Vidal, Vincent; Chauvet, Bruno; Riu, Jean-Luc; Voix, Fabien; Bar, Olivier; Le Du, Dominique; Maccia, Carlo; Lacombe, Pascal; Mertz, Luc; Valery, Charles

    2014-04-01

    After having presented an example of adverse reaction to interventional radiology (a case of a iatrogenic radiodermatitis), this report first presents the context which creates a risk situation. It describes risks related to the use of ionizing radiations, identifies risk factors and how to make procedures safer, and indicates actions aimed at reducing risks (in a preventive way, in recovery, by attenuation)

  10. Lean manufacturing and Toyota Production System terminology applied to the procurement of vascular stents in interventional radiology.

    Science.gov (United States)

    de Bucourt, Maximilian; Busse, Reinhard; Güttler, Felix; Wintzer, Christian; Collettini, Federico; Kloeters, Christian; Hamm, Bernd; Teichgräber, Ulf K

    2011-08-01

    OBJECTIVES: To apply the economic terminology of lean manufacturing and the Toyota Production System to the procurement of vascular stents in interventional radiology. METHODS: The economic- and process-driven terminology of lean manufacturing and the Toyota Production System is first presented, including information and product flow as well as value stream mapping (VSM), and then applied to an interdisciplinary setting of physicians, nurses and technicians from different medical departments to identify wastes in the process of endovascular stent procurement in interventional radiology. RESULTS: Using the so-called seven wastes approach of the Toyota Production System (waste of overproducing, waiting, transport, processing, inventory, motion and waste of defects and spoilage) as well as further waste characteristics (gross waste, process and method waste, and micro waste), wastes in the process of endovascular stent procurement in interventional radiology were identified and eliminated to create an overall smoother process from the procurement as well as from the medical perspective. CONCLUSION: Economic terminology of lean manufacturing and the Toyota Production System, especially VSM, can be used to visualise and better understand processes in the procurement of vascular stents in interventional radiology from an economic point of view.

  11. The Effect of Realtime Monitoring on Dose Exposure to Staff Within an Interventional Radiology Setting

    Energy Technology Data Exchange (ETDEWEB)

    Baumann, Frederic, E-mail: fredericbaumann@hotmail.com; Katzen, Barry T. [Baptist Hospital of Miami, Miami Cardiac & Vascular Institute (MCVI) (United States); Carelsen, Bart [Philips HealthCare, Clinical Science Interventional X-ray (Netherlands); Diehm, Nicolas [Kantonsspital Aarau, Clinical and Interventional Angiology (Switzerland); Benenati, James F.; Peña, Constantino S. [Baptist Hospital of Miami, Miami Cardiac & Vascular Institute (MCVI) (United States)

    2015-10-15

    PurposeThe purpose of this study is to evaluate a new device providing real-time monitoring on radiation exposure during fluoroscopy procedures intending to reduce radiation in an interventional radiology setting.Materials and MethodsIn one interventional suite, a new system providing a real-time radiation dose display and five individual wireless dosimeters were installed. The five dosimeters were worn by the attending, fellow, nurse, technician, and anesthesiologist for every procedure taking place in that suite. During the first 6-week interval the dose display was off (closed phase) and activated thereafter, for a 6-week learning phase (learning phase) and a 10-week open phase (open phase). During these phases, the staff dose and the individual dose for each procedure were recorded from the wireless dosimeter and correlated with the fluoroscopy time. Further subanalysis for dose exposure included diagnostic versus interventional as well as short (<10 min) versus long (>10 min) procedures.ResultsA total of 252 procedures were performed (n = 88 closed phase, n = 50 learning phase, n = 114 open phase). The overall mean staff dose per fluoroscopic minute was 42.79 versus 19.81 µSv/min (p < 0.05) comparing the closed and open phase. Thereby, anesthesiologists were the only individuals attaining a significant dose reduction during open phase 16.9 versus 8.86 µSv/min (p < 0.05). Furthermore, a significant reduction of total staff dose was observed for short 51 % and interventional procedures 45 % (p < 0.05, for both).ConclusionA real-time qualitative display of radiation exposure may reduce team radiation dose. The process may take a few weeks during the learning phase but appears sustained, thereafter.

  12. The Effect of Realtime Monitoring on Dose Exposure to Staff Within an Interventional Radiology Setting

    International Nuclear Information System (INIS)

    Baumann, Frederic; Katzen, Barry T.; Carelsen, Bart; Diehm, Nicolas; Benenati, James F.; Peña, Constantino S.

    2015-01-01

    PurposeThe purpose of this study is to evaluate a new device providing real-time monitoring on radiation exposure during fluoroscopy procedures intending to reduce radiation in an interventional radiology setting.Materials and MethodsIn one interventional suite, a new system providing a real-time radiation dose display and five individual wireless dosimeters were installed. The five dosimeters were worn by the attending, fellow, nurse, technician, and anesthesiologist for every procedure taking place in that suite. During the first 6-week interval the dose display was off (closed phase) and activated thereafter, for a 6-week learning phase (learning phase) and a 10-week open phase (open phase). During these phases, the staff dose and the individual dose for each procedure were recorded from the wireless dosimeter and correlated with the fluoroscopy time. Further subanalysis for dose exposure included diagnostic versus interventional as well as short (<10 min) versus long (>10 min) procedures.ResultsA total of 252 procedures were performed (n = 88 closed phase, n = 50 learning phase, n = 114 open phase). The overall mean staff dose per fluoroscopic minute was 42.79 versus 19.81 µSv/min (p < 0.05) comparing the closed and open phase. Thereby, anesthesiologists were the only individuals attaining a significant dose reduction during open phase 16.9 versus 8.86 µSv/min (p < 0.05). Furthermore, a significant reduction of total staff dose was observed for short 51 % and interventional procedures 45 % (p < 0.05, for both).ConclusionA real-time qualitative display of radiation exposure may reduce team radiation dose. The process may take a few weeks during the learning phase but appears sustained, thereafter

  13. Innovation is the permanent motivation to make continuous development of interventional radiology: comments about esophageal internal irradiation stent for the treatment of esophageal cancer

    International Nuclear Information System (INIS)

    Teng Gaojun

    2011-01-01

    Treatment of esophageal carcinoma is still a tough issue. Although metallic esophageal stent implantation is an important technique, as it can safety and quickly relieve the dysphagia caused by esophageal cancer, is has no effect on the malignant tumor itself. As a carrier of radioactive seeds, the novel esophageal stent plays functions of relieving dysphagia and conducting brachytherapy of the tumor, which creates a new therapy for esophageal carcinoma and expands the clinical significance of the stent implantation treatment. The history of interventional radiology indicates that it is the innovation that is the permanent motivation to make continuous development of interventional radiology. Innovations include new technology, new practical devices and new theories. Today, even if the interventional radiology has highly developed, innovation is till an 'unbreakable truth' for the development of interventional radiology and it makes the interventional radiology full of vitality. (author)

  14. Staff extremity doses in interventional radiology. Results of the ORAMED measurement campaign

    International Nuclear Information System (INIS)

    Nikodemová, D.; Brodecki, M.; Carinou, E.; Domienik, J.; Donadille, L.; Koukorava, C.; Krim, S.; Ruiz-López, N.; Sans-Merce, M.; Struelens, L.; Vanhavere, F.; Zaknoune, R.

    2011-01-01

    The introduction of interventional radiology (IR) procedures in the 20th century has demonstrated significant advantages over surgery procedures. As a result, their number is continuously rising in diagnostic, as well as, in therapy field and is connected with progress in highly sophisticated equipment used for these purposes. Nowadays, in the European countries more than 400 fluoroscopically guided IR procedures were identified with a 10–12% increase in the number of IR examinations every year (). Depending on the complexity of the different types of the interventions large differences in the radiation doses of the staff are observed. The staff that carries out IR procedures is likely to receive relatively high radiation doses, because IR procedures require the operator to remain close to the patient and close to the primary radiation beam. In spite of the fact that the operator is shielded by protective apron, the hands, eyes and legs remain practically unshielded. For this reason, one of the aims of the ORAMED project was to provide a set of standardized data on extremity doses for the personnel that are involved in IR procedures and to optimize their protection by evaluating the various factors that affect the doses. In the framework of work package 1 of the ORAMED project the impact of protective equipment, tube configuration and access routes were analyzed for the selected IR procedures. The position of maximum dose measured is also investigated. The results of the extremity doses in IR workplaces are presented in this study together with the influence of the above mentioned parameters on the doses. -- Highlights: ► We present a set of data on extremity doses for staff in selected interventional radiology procedures. ► We studied the influence of different parameters. ► The measured doses are analyzed according to the operators skill,his position during work, tube configuration, etc. ► Maximum doses recorded for all types of embolisation, in all

  15. Interventional radiology in the diagnosis, management, and follow-up of pseudoaneurysms.

    LENUS (Irish Health Repository)

    Keeling, A N

    2009-01-01

    Arterial wall disruption, as a consequence of inflammation\\/infection, trauma (penetrating or blunt), or iatrogenic causes, may result in pseudoaneurysm formation. Currently, iatrogenic causes are increasing as a result of the growth of endovascular intervention. The frequency of other causes also seems to be increasing, but this may simply be the result of increased diagnosis by better imaging techniques, such as multidetector contrast-enhanced computed tomography. Clinically, pseudoaneurysms may be silent, may present with local or systemic signs, or can rupture with catastrophic consequences. Open surgical repair, previously the mainstay of treatment, has largely been replaced by image-guided occlusion methods. On the basis of an experience of over 100 pseudoaneurysms, treatments at various anatomical sites, imaging modalities used for accurate diagnosis, current changing therapeutic options for pseudoaneurysm management, approved embolization agents, and clinical follow-up requirements to ensure adequate treatment will be discussed. Image-guided direct percutaneous and endovascular embolization of pseudoaneurysms are established treatment options with favorable success rates and minimal morbidity. The pendulum has now swung from invasive surgical repair of pseudoaneurysms to that of image-guided interventional radiology.

  16. The consent process in interventional radiology: the role of specialist nurses

    Energy Technology Data Exchange (ETDEWEB)

    Davies, L.; Laasch, H.-U.; Wilbraham, L.; Marriott, A.; England, R.E.; Martin, D.F. E-mail: derrick.martin@smtr.nhs.uk

    2004-03-01

    AIMS: To evaluate the impact of patient education by specialist nurses on patients' understanding of interventional procedures, their anxiety levels and satisfaction with the given information. MATERIALS AND METHODS: Sixty patients attending the radiology department for gastrointestinal interventional procedures were interviewed. Patients were assessed using a combination of categorical and visual analogue scales. Parameters were assessed on admission and after additional information had been given by specialist nurses. After the procedure patients were asked to rate the quality of information given and their overall satisfaction. RESULTS: Four of the 60 patients were excluded due to a Mini Mental Test score of <7. Only 35 (62.5%) claimed to have been given information by the referring consultant. Fifty-three patients received additional information before formally giving consent, 50 (96.2%) from the specialist nurses. Patient anxiety before and after information did not significantly change (p=0.52), but there was significant improvement in levels of satisfaction (p=0.001) and perceived understanding (p<0.001). Patients rated overall quality of information at an average of 9.2/10 and overall satisfaction was high (median=9.1/10). CONCLUSION: The use of specialist nurses to educate patients greatly increases patient understanding. The process of informed consent is improved and patient satisfaction is increased.

  17. Role of Interventional Radiology in the Treatment of Biliary Strictures Following Orthotopic Liver Transplantation

    International Nuclear Information System (INIS)

    Righi, Dorico; Cesarani, Federico; Muraro, Emanuele; Gazzera, Carlo; Salizzoni, Mauro; Gandini, Giovanni

    2002-01-01

    Purpose: To evaluate the efficacy and safety of percutaneous treatment of biliary strictures complicating orthotopic liver transplantation (OLT). Methods: Between October 1990 and May 2000, 619 patients underwent 678 liver transplants. Seventy of the 619 (11%) patients were found to be affected by biliary strictures by July 2000. Bilioplasty was performed in 51 of these 70 (73%) patients. A cohort of 33 of 51 (65%) patients were clinically followed for more than 12 months after the last percutaneous treatment and included in the survey results. Results: After one to three treatments 24 of 33 (73%)patients were stricture-free on ultrasound and MR cholangiography follow-up. A delayed stricture recurrence required a fourth percutaneous bilioplasty in two of 33 (6%) patients. A surgical bilioenteric anastomosis was performed in six of 33 (18%) patients.Retransplantation was performed due to ischemic damage in one of 33(3%) patients. Conclusion: Interventional radiology is an effective therapeutic alternative for the treatment of most biliary strictures complicating OLT. It has a high success rate and should be considered before surgical interventions. Elective surgery may be necessary in a few failed cases or those with more severe and extensive biliary strictures

  18. The consent process in interventional radiology: the role of specialist nurses

    International Nuclear Information System (INIS)

    Davies, L.; Laasch, H.-U.; Wilbraham, L.; Marriott, A.; England, R.E.; Martin, D.F.

    2004-01-01

    AIMS: To evaluate the impact of patient education by specialist nurses on patients' understanding of interventional procedures, their anxiety levels and satisfaction with the given information. MATERIALS AND METHODS: Sixty patients attending the radiology department for gastrointestinal interventional procedures were interviewed. Patients were assessed using a combination of categorical and visual analogue scales. Parameters were assessed on admission and after additional information had been given by specialist nurses. After the procedure patients were asked to rate the quality of information given and their overall satisfaction. RESULTS: Four of the 60 patients were excluded due to a Mini Mental Test score of <7. Only 35 (62.5%) claimed to have been given information by the referring consultant. Fifty-three patients received additional information before formally giving consent, 50 (96.2%) from the specialist nurses. Patient anxiety before and after information did not significantly change (p=0.52), but there was significant improvement in levels of satisfaction (p=0.001) and perceived understanding (p<0.001). Patients rated overall quality of information at an average of 9.2/10 and overall satisfaction was high (median=9.1/10). CONCLUSION: The use of specialist nurses to educate patients greatly increases patient understanding. The process of informed consent is improved and patient satisfaction is increased

  19. Evaluation of the efficiency of different methods of personal dosimetry in vascular interventional radiology

    International Nuclear Information System (INIS)

    Bacchim Neto, F.A.; Alves, A.F.F.; Rosa, M.E.D.; Pina, D.R.

    2017-01-01

    Interventional Radiology - IR is the area of medicine that provides the largest occupational exposures. The dose values to which interventionists are exposed are difficult to standardize. The objective of the study is to perform a complete evaluation of occupational exposures and to determine the efficiency of different personal dosimetry methods used in IR. We evaluated the efficiencies of 6 different personal dosimetry methodologies used internationally to estimate the effective dose received by interventional professionals. And, based on this analysis, determine the characteristics of each methodology. One of the methods of personal dosimetry recommended by Brazilian legislation was the most conservative, overestimating, on average, the effective dose of professionals by up to 200%, reaching maximum values close to 400%. The most accurate method was that used in North America. This method did not overestimate the effective dose of the professionals more than a few percent and their standard deviation relative to the effective reference dose were the lowest. Based on these results, the choice of methodologies employing at least two dosimeters, one under and above protective aprons is recommended. In addition, in some situations where the dose in the hands may be high, additional dosimeters for this region are also recommended

  20. Provision of out-of-hours interventional radiology services in the London Strategic Health Authority

    Energy Technology Data Exchange (ETDEWEB)

    Illing, R.O., E-mail: rowland@doctors.org.u [University College London Hospitals NHS Foundation Trust, 235 Euston Road, London NW1 2BU (United Kingdom); Ingham Clark, C.L.; Allum, C. [Whittington Hospital NHS Trust, London (United Kingdom)

    2010-04-15

    Aim: To review the provision of out-of-hours interventional radiology (IR) services in the London Strategic Health Authority (SHA). Materials and methods: All 29 acute hospitals in the London SHA were contacted between November 2008 and January 2009. A questionnaire based on the Royal College of Radiologists (RCR) guidelines assessed the provision of out-of-hours IR services. An 'ad-hoc' service was defined as on-call provision where not all the radiologists could perform intervention: If IR was required out of hours, an interventionalist came in when off-duty or the patient was transferred. Results: Seventeen out of the 29 (59%) hospitals provided ad-hoc out-of-hours services, eight (28%) provided a 24-hour rota, and four (14%) provide no out-of-hours cover. No ad-hoc service had formal transfer arrangements to a centre providing a 24 h service. Only two hospitals providing a 24 h service had six radiologists on the rota. Conclusion: Strategic planning for out-of-hours IR across London is recommended. This is likely to be welcomed by the hospitals involved, allowing informal arrangements to be formalized, and collaboration to provide comprehensive regional networks, provided appropriate funding is made available. A national audit is recommended; it is unlikely these findings are unique to London.

  1. Provision of out-of-hours interventional radiology services in the London Strategic Health Authority

    International Nuclear Information System (INIS)

    Illing, R.O.; Ingham Clark, C.L.; Allum, C.

    2010-01-01

    Aim: To review the provision of out-of-hours interventional radiology (IR) services in the London Strategic Health Authority (SHA). Materials and methods: All 29 acute hospitals in the London SHA were contacted between November 2008 and January 2009. A questionnaire based on the Royal College of Radiologists (RCR) guidelines assessed the provision of out-of-hours IR services. An 'ad-hoc' service was defined as on-call provision where not all the radiologists could perform intervention: If IR was required out of hours, an interventionalist came in when off-duty or the patient was transferred. Results: Seventeen out of the 29 (59%) hospitals provided ad-hoc out-of-hours services, eight (28%) provided a 24-hour rota, and four (14%) provide no out-of-hours cover. No ad-hoc service had formal transfer arrangements to a centre providing a 24 h service. Only two hospitals providing a 24 h service had six radiologists on the rota. Conclusion: Strategic planning for out-of-hours IR across London is recommended. This is likely to be welcomed by the hospitals involved, allowing informal arrangements to be formalized, and collaboration to provide comprehensive regional networks, provided appropriate funding is made available. A national audit is recommended; it is unlikely these findings are unique to London.

  2. Radiological protection optimization derived from radiation induced lesions in interventional cardiology finding

    International Nuclear Information System (INIS)

    Vano, E.; Arranz, L.; Sastre, J.M.; Ferrer, N.

    1997-01-01

    Interventional Cardiology is one of the specialties in which patients are submitted to the greatest radiation doses with x ray systems used for diagnostic purposes and then, it is also a specialty of high occupational radiation risk. In the last years, several cases of radiation induced lesions produced on patients derived of new complex interventional procedures have been described. As consequence, different rules for avoiding this kind of incidents have been recommended by International Organisations and regulatory Bodies. Nevertheless it has been devoted relatively few attention to the evaluation of the occupational risks that inevitably are also high in these facilities. In this work, some cases of radioinduced skin lesions produced on patients submitted to cardiac ablation procedures are described. Radiological protection considerations of interest for the regulatory Bodies are made, that permit to minimize the probability of these incidents, in what to the X-rays equipment is referred as well as to the operation procedures and level of radiation protection training of the medical specialists. (author)

  3. Preliminary study of using imaging plates to map skin dose of patients in interventional radiology procedures

    International Nuclear Information System (INIS)

    Ohuchi, H.; Satoh, T.; Eguchi, Y.; Mori, K.

    2005-01-01

    A method using europium-doped BaFBr imaging plates (IPs) has been studied for mapping entrance skin doses during interventional radiology (IR); the mapping is useful for detecting overlap between irradiation fields and determining the most exposed skin areas. IPs, which are two-dimensional radiation sensors made of photostimulated luminescence materials, have a linear dose response up to ∼100 Gy, can accurately measure doses from 1 μGy to 10 Gy and can be used repeatedly. Because the energy dependence of IPs is rather high, the IPs were characterised in this study and a sensitivity variation of ∼13% was observed for effective energies of 32.7 to 44.7 keV, which are used in IR procedures. Simulation of actual interventional cardiology procedures showed that the variation of sensitivity was within 5%, meaning that IPs are practical for measuring skin doses during IR. Moreover, the patient data can be stored online and easily called up when IR procedures must be repeated, helping to prevent radiation injuries. (authors)

  4. Development of a real-time extremity dose monitor for personnel in interventional radiology

    International Nuclear Information System (INIS)

    Ban, Nobuhiko; Kusama, Tomoko; Adachi, Akiko

    2000-01-01

    Protection of personnel in interventional radiology is one of the most important issues of radiological protection in medicine. Fluoroscopically guided interventional procedures require the operation near X-ray beam, which brings a considerable hand exposure to the operators. For the purpose of effectual control of their extremity doses, we have developed a real-time extremity dose monitor which is worn on a strap around the wrist. The monitor consists of a silicon semiconductor detector, thin lithium battery and a waterproof frame with a four-digit LED display. Experiment was carried out to examine a response of the monitor to diagnostic X-rays. A practical test was also performed to evaluate usability in the actual interventional procedures. In the experiment, the extremity dose monitor was placed on an arm phantom and exposed to diagnostic X-rays. Readings of the monitor were compared to those of Capintec PS-033 shallow chamber. The monitor was highly sensitive to diagnostic X-rays. It showed a linear response down to doses of a few tens of microsieverts. For high dose-rate exposure, however, a slight decrease in the response was observed, about 10% of counting loss for 80 kV, 40 mA X-ray at one meter from the focus. With regard to energy dependence, variation was within 20% for 60 to 100 kV X-rays. The monitor showed a good angular response in general, except lateral geometry facing the far side from a detector center. In the practical test, hand exposures of medical staff were measured with the extremity dose monitor. They were also asked to fill in a questionnaire regarding size and weight of the monitor, clarity of the display and usefulness. The subjects consisted of physicians, technicians and nurses who engaged in angiography, PTCD, CT-biopsy, barium enema and so on. The readings of the monitor were less than 1 mSv in most cases while 93 mSv was recorded in an extreme case due to direct-beam exposure. In some cases, TLD rings were used together with the

  5. Development of a real-time extremity dose monitor for personnel in interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Ban, Nobuhiko; Kusama, Tomoko [Oita University of Nursing and Health Sciences, Oita (Japan); Adachi, Akiko [Oita Medical University, Oita (JP)] [and others

    2000-05-01

    Protection of personnel in interventional radiology is one of the most important issues of radiological protection in medicine. Fluoroscopically guided interventional procedures require the operation near X-ray beam, which brings a considerable hand exposure to the operators. For the purpose of effectual control of their extremity doses, we have developed a real-time extremity dose monitor which is worn on a strap around the wrist. The monitor consists of a silicon semiconductor detector, thin lithium battery and a waterproof frame with a four-digit LED display. Experiment was carried out to examine a response of the monitor to diagnostic X-rays. A practical test was also performed to evaluate usability in the actual interventional procedures. In the experiment, the extremity dose monitor was placed on an arm phantom and exposed to diagnostic X-rays. Readings of the monitor were compared to those of Capintec PS-033 shallow chamber. The monitor was highly sensitive to diagnostic X-rays. It showed a linear response down to doses of a few tens of microsieverts. For high dose-rate exposure, however, a slight decrease in the response was observed, about 10% of counting loss for 80 kV, 40 mA X-ray at one meter from the focus. With regard to energy dependence, variation was within 20% for 60 to 100 kV X-rays. The monitor showed a good angular response in general, except lateral geometry facing the far side from a detector center. In the practical test, hand exposures of medical staff were measured with the extremity dose monitor. They were also asked to fill in a questionnaire regarding size and weight of the monitor, clarity of the display and usefulness. The subjects consisted of physicians, technicians and nurses who engaged in angiography, PTCD, CT-biopsy, barium enema and so on. The readings of the monitor were less than 1 mSv in most cases while 93 mSv was recorded in an extreme case due to direct-beam exposure. In some cases, TLD rings were used together with the

  6. Experimental method for calculation of effective doses in interventional radiology; Metodo experimental para calculo de dosis efectivas en radiologia intervencionista

    Energy Technology Data Exchange (ETDEWEB)

    Herraiz Lblanca, M. D.; Diaz Romero, F.; Casares Magaz, O.; Garrido Breton, C.; Catalan Acosta, A.; Hernandez Armas, J.

    2013-07-01

    This paper proposes a method that allows you to calculate the effective dose in any interventional radiology procedure using an anthropomorphic mannequin Alderson RANDO and dosimeters TLD 100 chip. This method has been applied to an angio Radiology procedure: the biliary drainage. The objectives that have been proposed are: to) put together a method that, on an experimental basis, allows to know dosis en organs to calculate effective dose in complex procedures and b) apply the method to the calculation of the effective dose of biliary drainage. (Author)

  7. The ICRU (International Commission on Radiation Units and Measurements): Its contribution to dosimetry in diagnostic and interventional radiology

    International Nuclear Information System (INIS)

    Wambersie, A.; Zoetelief, J.; Menzel, H. G.; Paretzke, H.

    2005-01-01

    The ICRU (International Commission on Radiation Units and Measurements was created to develop a coherent system of quantities and units, universally accepted in all fields where ionizing radiation is used. Although the accuracy of dose or kerma may be low for most radiological applications, the quantity which is measured must be clearly specified. Radiological dosimetry instruments are generally calibrated free-in-air in terms of air kerma. However, to estimate the probability of harm at low dose, the mean absorbed dose for organs is used. In contrast, at high doses, the likelihood of harm is related to the absorbed dose at the site receiving the highest dose. Therefore, to assess the risk of deterministic and stochastic effects, a detailed knowledge of absorbed dose distribution, organ doses, patient age and gender is required. For interventional radiology, where the avoidance of deterministic effects becomes important, dose conversion coefficients are generally not yet developed. (authors)

  8. The Society for Pediatric Radiology - 46th annual meeting and postgraduate course - advances in CT and MRI. Abstracts

    Energy Technology Data Exchange (ETDEWEB)

    Anon.

    2003-04-01

    this issue contains conference abstracts on pediatic radiology, computerized tomography as wess as nmr imaging and ultrasonic, on brain tumors, hydrocephalus, heart and lood vessels, stroke, child abuseabdomen, fetus malformations, as well as dosimetric aspects.

  9. Optimization of radiation protection in diagnostic and interventional radiology: Which is the future?

    International Nuclear Information System (INIS)

    Tsapaki, V.

    2012-01-01

    As quoted in the latest UNSCEAR 2008 report: 'it appears that the world is entering another period of major technological changes, where the impact of these changes on the population dose worldwide in the future will be difficult to predict'. It is more than true that in this fast changing world and immense technological advances, especially in the medical sector, scientists run a marathon to be able to follow the new techniques that are continuously introduced for the benefit of the patient. Almost half of the radiation to the population in diagnostic radiology arises due to CT and interventional techniques. More and more medical specialties as well as other professions (nurses, technicians, managers, etc.) are currently being introduced into the term 'radiation safety culture' and 'optimization'. Some of these stakeholders were not aware of these expressions and were never trained or educated on these subjects. Each of these specialties should therefore be approached in a different way, indicating and underlining the specific roles of the experts, in order to persuade them to include radiation safety in their every day clinical routine. Below, some of these issues are identified and possible ways to move forward in the future are suggested. (author)

  10. The Role of Interventional Radiology in the Diagnosis and Management of Male Impotence

    Energy Technology Data Exchange (ETDEWEB)

    Spiliopoulos, Stavros [Patras University Hospital, Department of Radiology (Greece); Shaida, Nadeem [Cambridge University Hospitals NHS Trust, Addenbrooke' s University Hospital, Department of Radiology (United Kingdom); Katsanos, Konstantinos [Guy' s and St Thomas' NHS Trust, Department of Radiology (United Kingdom); Krokidis, Miltiadis, E-mail: mkrokidis@hotmail.com [Cambridge University Hospitals NHS Trust, Addenbrooke' s University Hospital, Department of Radiology (United Kingdom)

    2013-10-15

    Erectile dysfunction (ED) is defined as the persistent inability to reach or maintain penile rigidity enough for sexual satisfaction. Nearly 30% of the men between ages 40 and 70 years are affected by ED. A variety of pathologies, including neurological, psychological, or endocrine disorders and drug side effects, may incite ED. A commonly identified cause of ED is vascular disease. Initial diagnostic workup includes a detailed physical examination and laboratory tests. Whilst duplex ultrasound is considered the first-line diagnostic modality, intra-arterial digital subtraction angiography is still considered the 'gold standard' for the diagnosis of arteriogenic impotence. Percutaneous endovascular treatment may be offered in patients with vasculogenic ED that has failed to respond to oral medical therapy as an alternative to penile prosthesis or open surgical repair. In arteriogenic ED balloon angioplasty of the aorto-iliac axis, and in veno-occlusive ED, percutaneous venous ablation using various embolization materials has been reported to be safe and to improve sexual performance. Recently, the ZEN study investigated the safety and feasibility of drug-eluting stents for the treatment of arteriogenic ED attributed to internal pudendal artery stenosis with promising preliminary results. This manuscript highlights the role of interventional radiology in the diagnosis and minimally invasive treatment of male impotence.

  11. Comparison of patient doses in interventional radiology procedures performed in two large hospitals in Greece

    International Nuclear Information System (INIS)

    Papageorgiou, E.; Tsapaki, V.; Tsalafoutas, I. A.; Maurikou, E.; Kottou, S.; Orfanos, A.; Karidas, G.; Fidanis, T.; Zafiriadou, E.; Neofotistou, V.

    2007-01-01

    Purpose of the study was to determine patient doses in the most common interventional radiology (IR) procedures performed in two large Greek hospitals. A total of 164 patients who underwent 4 types of IR procedures were studied. Fluoroscopy time, total exposure time, number of frames, number of runs, radiation field size, and cumulative dose-area product (DAP) were recorded. The median DAP values for carotid arteriography and lower limb arteriography were 66 and 123 Gy cm 2 for hospital 'A' and 21 and 49 Gy cm 2 for hospital 'B'. For the cerebral arteriographies performed in hospital 'A', the median DAP was 116 Gy cm 2 while for the hepatic embolizations performed in hospital 'B', it was 104 Gy cm 2 . The DAP values observed in hospital 'A' for carotid arteriography and lower limb arteriography were almost three times than those of hospital 'B'. From the data analysis, it is evident that dose optimization in hospital 'A' should be pursued through revision of the techniques used. (authors)

  12. Recommendations to reduce extremity and eye lens doses in interventional radiology and cardiology

    International Nuclear Information System (INIS)

    Carinou, E.; Brodecki, M.; Domienik, J.; Donadille, L.; Koukorava, C.; Krim, S.; Nikodemová, D.; Ruiz-Lopez, N.; Sans-Merce, M.; Struelens, L.; Vanhavere, F.

    2011-01-01

    The main aim of the Work Package 1 (WP1) of the ORAMED project, Collaborative Project (2008–2011), supported by the European Commission within its 7th Framework Programme, was to obtain a set of standardized data on extremity and eye lens doses for staff in interventional radiology and cardiology (IR/IC) workplaces and to recommend a series of guidelines on radiation protection in order to both guarantee and optimize staff protection. Within the project, coordinated measurements were performed in 34 hospitals in 6 European countries. Furthermore, simulations of the most representative workplaces in IR and IC were performed to determine the main parameters that influence the extremity and eye lens doses. The work presented in this paper shows the recommendations that were formulated by the results obtained from both measurements and simulations. The presented guidelines are directed to operators, assistant personnel, radiation protection officers and medical physics experts. They concern radiation protection issues, such as the use of room protective equipment, as well as the positioning of the extremity and eye lens dosemeters for routine monitoring.

  13. Should there be greater exposure to interventional radiology in the undergraduate curriculum?

    Science.gov (United States)

    Ojha, Utkarsh; Mohammed, Raihan; Vivekanantham, Sayinthen

    2017-01-01

    Medical imaging has been one of the most revolutionary innovations in medicine. Today, as health care professionals shift their focus toward more sophisticated technology and minimally invasive procedures, interventional radiology (IR) has become a rapidly expanding specialty. Despite these advances, there is a lack of doctors specializing in this field. A growing body of evidence suggests that the low number of applicants for posts may be due to poor exposure to the specialty at medical school. In this article, we outline the importance of IR in today's health care system. Next, we evaluate the evidence that there is a lack of knowledge of IR not only among medical students in the UK but globally. We further discuss how a more effective incorporation of IR in the undergraduate curriculum can enhance medical students' interest in the field and subsequently increase the number of doctors specializing in IR. Finally, we suggest alternative strategies to gauge medical students' interest in IR, including teaching via e-learning and virtual reality.

  14. Analysis and assessment of the detriment in interventional radiology using biological dosimetry methods

    International Nuclear Information System (INIS)

    Montoro, A.; Almonacid, M.; Villaescusa, J.I.; Barquinero, J.F.; Rodriguez, P.; Barrios, L.; Verdu, G.; Ramos, M.

    2006-01-01

    Interventional radiologist and staff members usually are exposed to high levels of scattered radiation. As a result, the exposition to radiation procedures can produce detrimental effects that we would have to know. Effective dose is the quantity that better estimates the radiation risk. For this study we have realized an estimation of the radiological detriment to exposed workers of the Hospital la Fe de Valencia. For it, have been used physical doses registered in detectors T.L.D., and doses estimated by biological dosimetry in lymphocytes of peripheral blood. There has been estimated for every case the probability of effect of skin cancer and of non-solid cancers (leukaemia, lymphoma and myeloma), being compared with the baseline probability of natural effect. Biological doses were obtained by extrapolating the yield of dicentrics and translocations to their respective dose -effect curves. The discrepancies observed between physically recorded doses and biological estimated doses indicate that workers did not always wear their dosimeters or the dosimeters were not always in the radiation field. Cytogenetic studies should be extended to more workers to assess the risk derived from their occupational exposure. (authors)

  15. The Role of Interventional Radiology in the Diagnosis and Management of Male Impotence

    International Nuclear Information System (INIS)

    Spiliopoulos, Stavros; Shaida, Nadeem; Katsanos, Konstantinos; Krokidis, Miltiadis

    2013-01-01

    Erectile dysfunction (ED) is defined as the persistent inability to reach or maintain penile rigidity enough for sexual satisfaction. Nearly 30% of the men between ages 40 and 70 years are affected by ED. A variety of pathologies, including neurological, psychological, or endocrine disorders and drug side effects, may incite ED. A commonly identified cause of ED is vascular disease. Initial diagnostic workup includes a detailed physical examination and laboratory tests. Whilst duplex ultrasound is considered the first-line diagnostic modality, intra-arterial digital subtraction angiography is still considered the “gold standard” for the diagnosis of arteriogenic impotence. Percutaneous endovascular treatment may be offered in patients with vasculogenic ED that has failed to respond to oral medical therapy as an alternative to penile prosthesis or open surgical repair. In arteriogenic ED balloon angioplasty of the aorto-iliac axis, and in veno-occlusive ED, percutaneous venous ablation using various embolization materials has been reported to be safe and to improve sexual performance. Recently, the ZEN study investigated the safety and feasibility of drug-eluting stents for the treatment of arteriogenic ED attributed to internal pudendal artery stenosis with promising preliminary results. This manuscript highlights the role of interventional radiology in the diagnosis and minimally invasive treatment of male impotence

  16. Monte Carlo calculations on extremity and eye lens dosimetry for medical staff at interventional radiology procedures

    International Nuclear Information System (INIS)

    Carinou, E.; Ferrari, P.; Koukorava, C.; Krim, S.; Struelens, L.

    2011-01-01

    There are many factors that can influence the extremity and eye lens doses of the medical staff during interventional radiology and cardiology procedures. Numerical simulations can play an important role in evaluating extremity and eye lens doses in correlation with many different parameters. In the present study, the first results of the ORAMED (Optimisation of Radiation protection of Medical staff) simulation campaign are presented. The parameters investigated for their influence on eye lens, hand, wrist and leg doses are: tube voltage, filtration, beam projection, field size and irradiated part of the patient's body. The tube voltage ranged from 60 to 110 kVp, filtration from 3 to 6 mm Al and from 0 to 0.9 mm Cu. For all projections, the results showed that doses received by the operator decreased with increasing tube voltage and filtration. The magnitude of the influence of the tube voltage and the filtration on the doses depends on the beam projection and the irradiated part of the patient's body. Finally, the influence of the field size is significant in decreasing the doses. (authors)

  17. A Leadership Intervention to Further the Training of Female Faculty (LIFT-OFF) in Radiology.

    Science.gov (United States)

    Spalluto, Lucy B; Spottswood, Stephanie E; Deitte, Lori A; Chern, Alexander; Dewey, Charlene M

    2017-06-01

    Women are under-represented in the field of radiology, occupy a minority of leadership positions, and, at our institution, have not achieved the same level of academic success as their male counterparts. Consequently, the authors designed, implemented, and evaluated the Leadership Intervention to Further the Training of Female Faculty (LIFT-OFF) program to (1) improve access to opportunities for women's faculty development and advancement, and (2) improve clarification of expectations about the role and path of advancement. LIFT-OFF was developed based on the results of a needs assessment survey. The results generated 14 priority topics, which served as the basis for educational modules conducted by expert speakers. Module effectiveness was assessed with pre- and postsurveys to elicit participant knowledge about the targeted subject matter. A formative program evaluation was performed at the completion of year 1 of 2 to assess outcomes and impacts to date. Seventeen of 55 (31%) educational module post-survey questions demonstrated a statistically significant (P leadership positions. Copyright © 2017 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.

  18. Examination of types of exposure and management methods for nurses in interventional radiology

    International Nuclear Information System (INIS)

    Mori, Hiroshige; Fujii, Tomonori; Koshida, Kichiro; Ichikawa, Katsuhiro

    2007-01-01

    Although a large number of studies have been done on exposure to operators and doctors during interventional radiology (IVR), there have been very few reports on nurses. This study was carried out to clarify the situation regarding exposure for nurses, and provides examples of how to estimate and manage. We measured space dose-rate distributions with an ionization survey meter, and personal exposure dose by a small fluorescent grass dosimeter (Dose Ace). The experimental results disclosed that there tended to be two types of exposure depending on the task performed. Head and neck (collar level) were associated with the highest exposure dose, which was observed in nurses assisting operators. Alternatively, knees showed the highest exposure dose, which was observed in nurses observing and assisting the patient. When estimation of skin equivalent exposure at the knees is needed, it can be calculated by using the value measured at the collar level. Furthermore, in estimating exposure dose, the directional and energy characteristics of personal dosimeters should be considered adequate. For radiation management, a circular protective sheet can be placed around the patient's lower area and a protective screen near the patient's head, and basic and practical education can be given. We concluded that these are highly useful for the personal monitoring of nurses engaged in IVR. (author)

  19. Analysis and assessment of the detriment in interventional radiology using biological dosimetry methods

    Energy Technology Data Exchange (ETDEWEB)

    Montoro, A.; Almonacid, M.; Villaescusa, J.I. [Hospital Univ. la Fe de Valen cian, Servicio de Proteccion Radiologica, Valencia (Spain); Barquinero, J.F.; Rodriguez, P. [Universitat Autonom a de Barcelona, Servicio de Dosimetria Biologica, Unidad de Antropologia, Departamento de Biologia Animal, Vegetal y Ecologia., Barcelona (Spain); Barrios, L. [Universidad Autonoma de Barcelona, Dept. de Biologia Celular y Fisiologia. Unidad de Biologia Celular, Barcelona (Spain); Verdu, G.; Ramos, M. [Universidad Politecnica de Valencia, Dept. de Ingenieria Quimica y Nuclear, Valencia, (Spain)

    2006-07-01

    Interventional radiologist and staff members usually are exposed to high levels of scattered radiation. As a result, the exposition to radiation procedures can produce detrimental effects that we would have to know. Effective dose is the quantity that better estimates the radiation risk. For this study we have realized an estimation of the radiological detriment to exposed workers of the Hospital la Fe de Valencia. For it, have been used physical doses registered in detectors T.L.D., and doses estimated by biological dosimetry in lymphocytes of peripheral blood. There has been estimated for every case the probability of effect of skin cancer and of non-solid cancers (leukaemia, lymphoma and myeloma), being compared with the baseline probability of natural effect. Biological doses were obtained by extrapolating the yield of dicentrics and translocations to their respective dose -effect curves. The discrepancies observed between physically recorded doses and biological estimated doses indicate that workers did not always wear their dosimeters or the dosimeters were not always in the radiation field. Cytogenetic studies should be extended to more workers to assess the risk derived from their occupational exposure. (authors)

  20. Simulators in catheter-based interventional radiology: training or computer games?

    International Nuclear Information System (INIS)

    Gould, D.A.; Kessel, D.O.; Healey, A.E.; Johnson, S.J.; Lewandowski, W.E.

    2006-01-01

    Training in interventional radiology (IR) relies on a traditional apprenticeship; to protect patients, expert supervision is mandatory until knowledge, attitudes and practical skills have been certified as satisfactory. However, the current quality of IR training is threatened by reduced time for trainees to learn, as well as a loss of basic diagnostic, training cases to non-invasive imaging. At the same time, IR techniques are becoming a focus of interest to a range of other clinical specialities. To address this training shortfall there is a need to develop novel training alternatives such as simulator models. Few simulator models in any medical field have been successfully validated to show improved clinical skills in treating patients. To date no endovascular simulator has met this standard. A good simulator must be based around key performance measures (metrics) derived from careful analysis of the procedure to be replicated. Metrics can be determined by trained psychologists from a direct analysis of the content of the job or task to be tested. The identification of these critical measures of performance is a complex process which must be tailored to a training curriculum to be effective. Simulators based on flawed metrics will invariably lead to unsatisfactory assessment. It follows that simulator development must involve the statutory licensing authorities. Equally it is essential that we do not assume that training on a particular simulator will correlate with the ability to perform the task in the real world. This 'transfer of training' must be rigorously proven by validation studies

  1. Estimation of personal dose based on the dependent calibration of personal dosimeters in interventional radiology

    International Nuclear Information System (INIS)

    Mori, Hiroshige; Koshida, Kichiro; Ichikawa, Katsuhiro

    2007-01-01

    The purpose of present study is, in interventional radiology (IVR), to elucidate the differences between each personal dosimeter, and the dependences and calibrations of area or personal dose by measurement with electronic dosimeters in particular. We compare space dose rate distributions measured by an ionization survey meter with the value measured by personal dosimeter: an optically stimulated luminescence, two fluoroglass, and two electronic dosimeters. Furthermore, with electronic dosimeters, we first measured dose rate, energy, and directional dependences. Secondly, we calibrated the dose rate measured by electronic dosimeters with the results, and estimated these methods with coefficient of determination and Akaike's Information Criterion (AIC). The results, especially in electronic dosimeters, revealed that the dose rate measured fell by energy and directional dependences. In terms of methods of calibration, the method is sufficient for energy dependence, but not for directional dependence, because of the lack of stable calibration. This improvement poses a question for the future. The study suggested that these dependences of the personal dosimeter must be considered when area or personal dose is estimated in IVR. (author)

  2. Deepening the reform of medical education, strengthening the training of reserve specialists in interventional radiology: a profound rethinking based on a survey of medical students

    International Nuclear Information System (INIS)

    Ren Chongyang; Di Zhenhai; Li Linsun

    2010-01-01

    Although the interventional radiology, a rapidly expanding medical specialty, has already been widely popularized and generally accepted for many years, it is still facing lots of challenges and turf wars, such as the brain drain, understaffed and the gap between the old and the young. This article attempts to analyze the reasons through investigating the current teaching situation of interventional radiology in medical colleges and finding out the undergraduates' attitude to interventional radiology, in order to explore possible paths for solving the imbalance between supply and demand of qualified personnel. (authors)

  3. Utilisation and outcomes following the introduction of an interventional radiology day unit

    International Nuclear Information System (INIS)

    Makris, G.C.; Shaida, N.; Pyneeandee, R.; Shaw, A.; See, T.C.

    2016-01-01

    Aim: To assess the utilisation of an interventional radiology day unit (RDU), the rates of on-time discharges, the financial performance of the unit, and finally, the patient satisfaction rates. Materials and methods: Data regarding the unit utilisation, discharge times, and complications were retrospectively collected for the first 2 years of operation of the unit (1 April 2013 to 1 January 2015). In addition, monitoring the activity going through the RDU and applying a contribution margin to the freed-up beds measured the financial performance. The data were provided by the finance department of the hospital. Satisfaction survey questionnaires were sent randomly by post to 100 patients who had been previously admitted to the RDU. Results: During the study period, 3019 patients were admitted to the RDU, comprising 1426 during the first year and 1513 during the second. On average, 5.6 patients were discharged from the RDU on every working day during the first year and 7.1 patients during the second (21% increase in the discharge rate). Given the 8-hour working time configuration of the unit, a realistic 80% utilisation rate of the RDU's seven beds could free a total of 1400 inpatient bed days over a full year. The cost of delivering these episodes of care was reduced by approximately 50%. From the financial data, it was estimated that the RDU managed to achieve a total of £393,000 in savings for the Trust for the financial year 2013–2014. The return rate of the patient satisfaction survey was 40%. All patients were satisfied with their overall RDU experience. Conclusion: The RDU has brought significant benefits for patients and the Trust without compromises in safety or quality. - Highlights: • Radiology Day units can improve workflow through improved efficiency. • RDUs can decrease the treatment-related costs mainly by reducing the need for unnecessary overnight hospitalisation. • They appear to be welcome by the patients with excellent feedback so far.

  4. Medical intervention in radiological emergencies, formation and training; Intervencion medica en emergencias radiologicas, formacion y adiestramiento

    Energy Technology Data Exchange (ETDEWEB)

    Cardenas H, J. [CPHR, Calle 20 No. 4113, e/41 y 47 Playa, CP 11300, La Habana (Cuba)]. e-mail: cardenas@cphr.edu.cu

    2006-07-01

    The work exposes the national experience in the development of training programs in medical aspects of the radiological emergencies. Implemented after valuing the existent situation, identified the necessities and the reach of the training, additionally it was elaborated the content of the training program whose purpose is guided to the invigoration of the medical answer capacity in radiological emergencies The content of the modular program it approaches theoretical- practical aspects on preparation and medical answer in radiological emergencies. The program includes an exercise that simulates a radiological accident, to evaluate during the same one, the answer capacity before this situation. The training concludes with the design of a strategy for the preparation and answer in radiological emergencies in correspondence with the potential accidental scenarios that the participants can face. (Author)

  5. Professional development for radiographers and post graduate nurses in radiological interventions: Building teamwork and collaboration through drama.

    Science.gov (United States)

    Lundén, M; Lundgren, S M; Morrison-Helme, M; Lepp, M

    2017-11-01

    The rapid development within Interventional Radiology presents new challenges. Hybrid operating rooms consist of interventional radiology, open surgery, computed tomography, magnetic resonance imaging and other techniques. This means that several disciplines and professionals need to work in new constellations creating a multidisciplinary team around the patient. In accordance with this development, higher professional education must provide new pedagogic strategies to successfully address the knowledge expected in today's complex working life. To explore the use of Applied Drama as a learning medium, focusing on the use of Forum Theatre, to foster team work and collaboration in the field of radiography and learning. A qualitative approach, closely related to Ethnography, was utilized. The Drama Workshop utilising Forum Theatre created a dynamic learning environment and enabled the participants from three professions to understand each other's priorities better. The use of drama within health care education allows the students to take different roles in order to find the best way to co-operate. Forum Theatre is a useful learning medium in order to promote teamwork and collaboration in the radiological intervention field. By choosing a personal working experience, Forum Theatre seem to engage the participants at a deeper level and to experience various communication strategies and how the outcome changed depending on the approach. This can lead to improved teamwork and collaboration. Copyright © 2017 The College of Radiographers. All rights reserved.

  6. Overview of double dosimetry procedures for the determination of the effective dose to the interventional radiology staff

    International Nuclear Information System (INIS)

    Jaervinen, H.; Buls, N.; Clerinx, P.; Jansen, J.; Miljanic, S.; Nikodemova, D.; Ranogajec-Komor, M.; D'Errico, F.

    2008-01-01

    In interventional radiology, for an accurate determination of effective dose to the staff, measurements with two dosemeters have been recommended, one located above and one under the protective apron. Such 'double dosimetry' practices and the algorithms used for the determination of effective dose were reviewed in this study by circulating a questionnaire and by an extensive literature search. The results indicated that regulations for double dosimetry almost do not exist and there is no firm consensus on the most suitable calculation algorithms. The calculation of effective dose is mainly based on the single dosemeter measurements, in which either personal dose equivalent, directly, (dosemeter below the apron) or a fraction of personal dose equivalent (dosemeter above the apron) is taken as an assessment of effective dose. The most recent studies suggest that there might not be just one double dosimetry algorithm that would be optimum for all interventional radiology procedures. Further investigations in several critical configurations of interventional radiology procedures are needed to assess the suitability of the proposed algorithms. (authors)

  7. Economics of mycotoxins: evaluating costs to society and cost-effectiveness of interventions.

    Science.gov (United States)

    2012-01-01

    The economic impacts of mycotoxins to human society can be thought of in two ways: (i) the direct market costs associated with lost trade or reduced revenues due to contaminated food or feed, and (ii) the human health losses from adverse effects associated with mycotoxin consumption. Losses related to markets occur within systems in which mycotoxins are being monitored in the food and feed supply. Food that has mycotoxin levels above a particular maximum allowable level is either rejected outright for sale or sold at a lower price for a different use. Such transactions can take place at local levels or at the level of trade among countries. Sometimes this can result in heavy economic losses for food producers, but the benefit of such monitoring systems is a lower risk of mycotoxins in the food supply. Losses related to health occur when mycotoxins are present in food at levels that can cause illness. In developed countries, such losses are often measured in terms of cost of illness; around the world, such losses are more frequently measured in terms of disability-adjusted life years (DALYs). It is also useful to assess the economics of interventions to reduce mycotoxins and their attendant health effects; the relative effectiveness of public health interventions can be assessed by estimating quality-adjusted life years (QALYs) associated with each intervention. Cost-effectiveness assessment can be conducted to compare the cost of implementing the intervention with the resulting benefits, in terms of either improved markets or improved human health. Aside from cost-effectiveness, however, it is also important to assess the technical feasibility of interventions, particularly in low-income countries, where funds and infrastructures are limited.

  8. Post-procedural Care in Interventional Radiology: What Every Interventional Radiologist Should Know—Part I: Standard Post-procedural Instructions and Follow-Up Care

    Energy Technology Data Exchange (ETDEWEB)

    Taslakian, Bedros, E-mail: Bedros.Taslakian@nyumc.org; Sridhar, Divya [NYU Langone Medical Center, Department of Radiology, Interventional Radiology Section (United States)

    2017-04-15

    Interventional radiology (IR) has evolved into a full-fledged clinical specialty with attendant patient care responsibilities. Success in IR now requires development of a full clinical practice, including consultations, inpatient admitting privileges, and an outpatient clinic. In addition to technical excellence and innovation, maintaining a comprehensive practice is imperative for interventional radiologists to compete successfully for patients and referral bases. A structured approach to periprocedural care, including routine follow-up and early identification and management of complications, facilitates efficient and thorough management with an emphasis on quality and patient safety.

  9. Psychological intervention in medical preparedness and response to nuclear and radiological emergency

    International Nuclear Information System (INIS)

    Lei, Cuiping; Liu, Ying

    2008-01-01

    Full text: Although the incidence rate of nuclear or radiological accident and their terror attack is very low, their influence is tremendous because of the unexpected of their occurrence and uncertainty of their damage degree. An attack involving the release of radiation will create uncertainty, fear, and terror. Therefore, the management of acute psychological and behavioral responses is likely to be as important and challenging as the treatment of radiation-related injuries and illnesses. In this paper, we introduce the principle of psychological intervention at the preparation stage and during and after emergency. At the preparation stage, people should be educated by various means to prevent them from the impact of accident. When accident happens, effective action should be taken immediately to reduce the psychological influence. Special groups such as children and pregnant women must be considered. Furthermore, we analyze the symptom of different groups including victims, the public and responders and put forward the methods to prevent and treat psychological damage. After radiation accident, victims who have been exposed or anticipate possible exposure may experience feelings of vulnerability, anxiety, and lack of control. The most important element is providing good medical care. Moreover, communication between patients and their family is very important too. The public in the affected community is likely to be anxious and terrified. Trusted and informed leadership should be assigned to give psychological support in counselling center established at monitoring and evacuation centers. Government must be honest in communication with public and media. Responders have to perform their duty under stressful condition. Some of them are unable to deal with such stress could develop mental health problems such as post traumatic stress disorder, substance abuse or depression. Protective clothing and dosimeters must be provided to ensure responders' safety. Moreover

  10. Joint WHO/ISH workshop on efficacy and radiation safety in interventional radiology

    International Nuclear Information System (INIS)

    Baeuml, A.; Bauer, B.; Bernhardt, J.H.; Stieve, F.E.; Veit, R.; Zeitlberger, I.

    1997-02-01

    With the constantly developing technology and the opening of new fields of application, the implementation of Interventional Radiology (IR) is increasing considerably. These sophisticated procedures can frequently replace open surgery, and this is of enormous benefit for the patient. On the other hand, IR involves prolonged application of fluoroscopy and - due to the need for excellent image quality - partly very high dose-rate levels. Additionally, cine-series, and alsogreat numbers of single radiographs are necessary. Accordingly, the levels of exposure to patients and staff are very high. In order to consider possible reduction of the radiation risks of IR procedures interdiciplinary talks between representatives of manufacturers of X-ray equipment, hospital physicists and the clinical community would seem necessary in order to find ways of avoiding unproductive radiation exposure to the patient and to clinical staff. This was the aim of a workshop on IR, which was jointly organized by the World Health Organization and the Institute of Radiation Hygiene of the Federal Office for Radiation Protection in Germany in October 1995. It was intended as a forum for the discussion of issues related to IR, and to forster improved application, that is to say as an opportunity: To present the state of the art; to work out proposals for more efficient clinical protocols; to discuss on schemes of education and training and on equipment-related developments. Improvement of radiation safety for both patients and staff, was the general aim of the workshop. This volume contains the presentations given on the first day of the workshop. (orig./DG) [de

  11. Patient dose assessment in various Interventional radiology and cardiology procedures in Algeria (IAEA regional project results)

    International Nuclear Information System (INIS)

    Khelassi-Toutaoui, Nadia; Merad, Ahmed; Toutaoui, A.E.K.; Bairi, Souad

    2008-01-01

    Full text: Purpose: To evaluate patient doses in Interventional Radiology (IR) and Cardiology (IC) procedures in Algeria, within the framework of an International Atomic Energy Agency (IAEA) regional project on radiation protection of patients and medical exposure control (RAF 9033). Materials and Methods: Three public hospitals (CHU Bab el Oued, CHU Parnet and CHU Mustapha) and one specialised Cardiology Service (Clinique Maouche) were chosen for the study. For Maximum Skin Dose (MSD) evaluation, gafchromic films XR type R were used, placed on patient's back before the procedure. The Dose Area Product (DAP) and MSD were measured in 57 IR and IC procedures, either diagnostic or therapeutic. Results: The results revealed large variations in MSD (0.06-3.3 Gy) and DAP (5.5-332 mGycm 2 ). Mean MSD was 0.227 Gy in cerebral angiography, 0.202 Gy in coronary angiography, 1.162 Gy in Percutaneus Transluminal Coronary Angioplasty (PTCA) and 0.128 in abdominal angiography. The correlation of DAP and MSD was significant (r = 0.7). The correlation was DAP and fluoroscopy time was also significant (r = 0.8). Conclusion: The highest MSD values were found in PTCA which is a therapeutic procedure. Two PTCAs out of the 57 procedures measured in total had MSD over the threshold of 2 Gy for deterministic effects (MSD 1 = 3.0 Gy and MSD 2 3.3 Gy). The large variations in MSD reveal the need to continuously monitor patient doses in IR and IC procedures with special emphasis in PTCA procedure. (author)

  12. Identifying the Learning Curve for Uterine Artery Embolisation in an Interventional Radiological Training Unit

    Energy Technology Data Exchange (ETDEWEB)

    Das, Raj, E-mail: rajdas@nhs.net, E-mail: raj.das@stgeorges.nhs.uk; Lucatelli, Pierleone, E-mail: pierleone.lucatelli@gmail.com; Wang, Haofan, E-mail: wwhhff123@gmail.com; Belli, Anna-Maria, E-mail: anna.belli@stgeorges.nhs.uk [St George’s Hospital, Department of Radiology (United Kingdom)

    2015-08-15

    AimA clear understanding of operator experience is important in improving technical success whilst minimising patient risk undergoing endovascular procedures, and there is the need to ensure that trainees have the appropriate skills as primary operators. The aim of the study is to retrospectively analyse uterine artery embolisation (UAE) procedures performed by interventional radiology (IR) trainees at an IR training unit analysing fluoroscopy times and radiation dose as surrogate markers of technical skill.MethodsTen IR fellows were primary operator in 200 UAE procedures over a 5-year period. We compared fluoroscopy times, radiation dose and complications, after having them categorised according to three groups: Group 1, initial five, Group 2, >5 procedures and Group 3, penultimate five UAE procedures. We documented factors that may affect screening time (number of vials employed and use of microcatheters).ResultsMean fluoroscopy time was 18.4 (±8.1), 17.3 (±9.0), 16.3 (±8.4) min in Groups 1, 2 and 3, respectively. There was no statistically significant difference between these groups (p > 0.05) with respect to fluoroscopy time or radiation dose. Analysis after correction for confounding factors showed no statistical significance (p > 0.05). All procedures were technically successful, and total complication rate was 4 %.ConclusionUAE was chosen as a highly standardised procedure followed by IR practitioners. Although there is a non-significant trend for shorter screening times with experience, technical success and safety were not compromised with appropriate Consultant supervision, which illustrates a safe construct for IR training. This is important and reassuring information for patients undergoing a procedure in a training unit.

  13. Percutaneous transgluteal drainage of pelvic abscesses in interventional radiology: A safe alternative to surgery.

    Science.gov (United States)

    Robert, B; Chivot, C; Rebibo, L; Sabbagh, C; Regimbeau, J-M; Yzet, T

    2016-02-01

    Interventional radiology plays an important role in the management of deep pelvic abscesses. Percutaneous drainage is currently considered as the first-line alternative to surgery. A transgluteal computed tomography (CT)-guided approach allows to access to deep infected collections avoiding many anatomical obstacles (vessels, nerves, bowel, bladder). The objective of this study was to assess the safety and efficacy of a transgluteal approach by reviewing our clinical experience. We reviewed medical records of patients having undergone percutaneous CT-guided transgluteal drainage for deep pelvic abscesses. We focused on the duration of catheter drainage, the complications related to the procedures and the rate of complete resolution. Between 2005 and 2013, 39patients (27women and 12men; mean age: 52.5) underwent transgluteal approach CT-guided percutaneous drainage of pelvis abscesses in our department. The origins of abscesses were postoperative complications in 34patients (87.2%) and infectious intra-abdominal disease in 5patients (12.8%). The mean duration of drainage was 8.3days (range: 3-33). Laboratory cultures were positive in 35patients (89.7%) and Escherichia coli was present in 71.4% of the positive samples. No major complication was observed. Drainage was successful in 38patients (97.4%). A transpiriformis approach was more significantly associated with intra-procedural pain (P=0.003). Percutaneous CT-guided drainage with a transgluteal approach is a safe, well-tolerated and effective alternative to surgery for deep pelvic abscesses. This approach should be considered as the first-line intention for the treatment of deep pelvic abscesses. Copyright © 2015 Elsevier Masson SAS. All rights reserved.

  14. Development of real-time radiation exposure dosimetry system using synthetic ruby for interventional radiology

    International Nuclear Information System (INIS)

    Hosokai, Yoshiyuki; Win, Thet Pe; Muroi, Kenzo; Matsumoto, Kenki; Takahashi, Kaito; Usui, Akihito; Saito, Haruo; Kozakai, Masataka

    2017-01-01

    Interventional radiology (IVR) tends to involve long procedures, consequently delivering high radiation doses to the patient. Radiation-induced injuries that occur because of the effect of the high radiation doses are a considerable problem for those performing IVR. For example, skin injuries can include skin erythema if the skin is exposed to radiation doses beyond the threshold level of 2 Gy. One of the reasons for this type of injury is that the local skin dose cannot be monitored in real time. Although there are systems employed to measure the exposure dose, some do not work in real time (such as thermoluminescence dosimeters and fluorescent glass dosimeters), while certain real-time measurement systems that enter the field of view (such as patient skin dosimeters and dosimeters using a nontoxic phosphor) interfere with IVR. However, synthetic ruby has been shown to emit light in response to radiation. The luminous wavelength is 693 nm. It is possible to monitor the radiation dose by detecting the emitted light. However, small synthetic rubies emit a tiny amount of light that is difficult to detect using common systems such as photodiodes. A large enough synthetic ruby to increase the quantity of emitted light would however enter the field of view and interfere with the IVR procedure. Additionally, although a photodiode system could reduce the system size, the data is susceptible to effects from the X-rays and outside temperature. Therefore, use of a sensitive photon counting system as used in nuclear medicine could potentially have a beneficial effect in detecting the weak light signal. A real-time radiation exposure dosimetry system for use in IVR should be sufficiently sensitive, not interfere with the IVR procedure, and ideally have the possibility of development into a system that can provide simultaneous multipoint measurements. This article discusses the development of a realtime radiation exposure dosimetry system for use in IVR that employs a small

  15. Use of Multimedia tools for Training in Radiation Protection for Interventional Radiology

    International Nuclear Information System (INIS)

    Guibelalde, E.; Vano, E.

    2003-01-01

    The European Commission has published and distributed cost free in the main European languages and interactive CD-ROM for Radiation Protection Training in Interventional Radiology (MARTIR project-Radiation Protection Series N. 119-EC 2002). The CD-ROM allows: a) To select different levels of training; b) To follow a training programme as a regular course (step by step) or looking only for the topics of interest; c) To do some auto evaluation multiple choice questions at the end of the different sections or topics; d) To perform a final examination at the end of the course and to have a certification with the total time dedicated to the training programme and the obtained score in final examination. During 2001 and 2002 the MARTIR material has been distributed for evaluation purpose to different experts and it has been used in different pilot courses. In this paper the experience of using this interactive CD-ROM is discussed. The University Complutense of Madrid offers an optional specific training on Radiation Protection for the students of Medicine during their clinical period (4th to 6th year). About 100 hundred students are enrolled per year, 10% of these students follow the MARTIR CD at home as a pilot course. All of them used the CD at Least during 40 hours, completed the low level step-by-step course and pass the exam (score over 75% for 60 multiple choice questions. 87% of the students after finishing the course stated that this education methodology was very suitable for them. (Author)

  16. Study of the parameters affecting operator doses in interventional radiology using Monte Carlo simulations

    International Nuclear Information System (INIS)

    Koukorava, C.; Carinou, E.; Ferrari, P.; Krim, S.; Struelens, L.

    2011-01-01

    Measurements performed within the ORAMED project helped to evaluate the dose levels to the operators’ hands, wrists, legs and eye lenses, during several types of interventional radiology (IR) and cardiology (IC) procedures, and also to determine the parameters that affect the doses. However, the study of the effect of each parameter separately, was possible only through Monte Carlo (MC) simulations, as in clinical practice many of those parameters change simultaneously. The influence of the protective equipment, the beam projections, the beam quality, the field size and the position of the operator according to the position of access of the catheter was investigated, using anthropomorphic phantoms in setups that represent realistic IR/IC procedures. The proper use of protective shields was found to be the most important way of reducing extremity and eye lens exposure during such examinations. Ceiling suspended shields can reduce the doses to the eye lenses up to 97%, but they can also reduce hand doses about 70% when placed correctly. The highest exposure to the operator is observed for left anterior oblique (LAO) and cranial projections. Additionally, for overcouch irradiations the eyes and the hands are about 6 times more exposed compared to the cases where the tube is below the operating table. For the lateral LAO projection, placing the ceiling suspended shield at the left side of the operator is twice more effective for the protection of the eyes compared to the cases where it is placed above the patient. Finally, beam collimation was found to play an important role in the reduction of the hands and wrists doses, especially when the operator is close to the irradiation field.

  17. Implementation of Ray Safe i2 System for staff dose measuring in interventional radiology

    International Nuclear Information System (INIS)

    Gershan, Vesna; Atsovska, Violeta

    2013-01-01

    Interventional radiology procedures usually delivered the highest radiation dose to the patients as well as to medical personal. Beside another factors like patient size, fluoroscopy time, machine calibration etc., a good clinical practice has strong effects to staff and patient’s radiation dose. Materials and methods: In August 2012, a Ray Safe i2 system was installed in a private hospital in Skopje. The main purpose of this dosimetry system is to provide real time indication for the current exposure level of the medical personal. Knowing that, the staff has prerequisites to adjust their behavior to minimize unnecessary exposure like changing distance from exposed volume, C-ram angulations, field of view etc. and on this way to develop a good clinical practice. The Ray Safe i2 system is consisted by ten digital dosimeters, two dock stations, real time display, dose viewer and dose manager software. During interventional procedures, each involved staff wears dosimeter which measures and records X-Ray exposure every second and transfer the data wirelessly to the real time display. Color indication bars (green, yellow, red) represents the intensity of the currently received exposure, whereas green zone indicates < 0.2 mSv/h, yellow zone from 0.2 to 2 mSv/h and red zone indications from 2 to 20 mSv/h. Additionally, accumulated dose per individual is displayed next to the color indication bars. By using the software, information about personal dose history, such as annual dose, dose per particular session, hour, day or week, can be viewed and analyzed. Results: In this work it was found that staff accumulated doses were constantly increased over time, but reported number of procedures does not correspond to this tendency. Our assumption is that there is a misleading between reported number and actual performed procedures. Doctor1 received 55 times more dose than Doctor2 and Nurse1 received 11 to 3 times more dose than another Nurses. It was found a correlation of R2

  18. The role of interventional radiology in the management of intra-and extra-Peritoneal leakage in patients who have undergone continent urinary diversion

    International Nuclear Information System (INIS)

    Bodner, Leonard; Nosher, John L.; Siegel, Randall; Russer, Tadeus; Cummings, Kenneth; Kraus, Stephen

    1997-01-01

    Purpose. To assess how radiologic intervention altered the hospital course of patients undergoing continent urinary diversion. Methods. Thirty-seven consecutive patients with bladder cancer invading the muscular layer were treated with total cystectomy and construction of a continent urinary reservoir. Eleven of 37 patients suffered early and late anastomotic leakage; six had prolonged extraperitoneal leakage at the urethroenteric anastomosis, three had prolonged intraperitoneal pouch leaks, and two had delayed ureteroenteric leaks. Seven of these patients required radiologic intervention.Results. Intervention in the form of drainage catheter manipulation (n=4), percutaneous nephrostomy (n=4), or ureteral stent placement (n=2) resulted in cessation of leakage without surgical intervention in all seven patients. Intraperitoneal pouch leaks were more difficult to control than extraperitoneal leakage and required longer drainage intervals.Conclusion. Interventional radiologic procedures played a key role in the management of continent urinary diversion complications obviating the need for repeat surgical intervention in all instances

  19. Diagnostic radiology 1987

    International Nuclear Information System (INIS)

    Margulis, A.R.; Gooding, C.A.

    1987-01-01

    This is the latest version of the continuing education course on diagnostic radiology given yearly by the Department of Radiology at the University of California, San Francisco. The lectures are grouped into sections on gastrointestinal radiology, mammography, uroradiology, magnetic resonance, hepatobiliary radiology, pediatric radiology, ultrasound, interventional radiology, chest radiology, nuclear medicine, cardiovascular radiology, and skeletal radiology. Each section contains four to eight topics. Each of these consists of text that represents highlights in narrative form, selected illustrations, and a short bibliography. The presentation gives a general idea of what points were made in the lecture

  20. Western Interventions in Current Wars: Political Justification and Civil Society´s Response

    Directory of Open Access Journals (Sweden)

    Noelia Bueno Gómez

    2017-01-01

    Full Text Available On the one hand, it seems to be an agreement in Western countries in favor of values included in the Universal Declaration of Human Rights. On the other hand, Western countries initiate or intervene in armed conflicts outside their territories, which implies actions contrary to such values. This article examines this apparent contradiction: it describes briefly the international context of contemporary conflicts and it refers to the just-war tradition in order to analyze both the position of the Charter of the United Nations and the justifications given by Western countries. Moreover, the arguments used by the US and the Spanish Governments to justify their interventions in the Afghanistan (2001 and Iraq (2008 wars, and the responses of civil society are considered.

  1. Development of double dosimetry algorithm for assessment of effective dose to staff in interventional radiology

    International Nuclear Information System (INIS)

    Kim, Ji Young

    2011-02-01

    Medical staff involving interventional radiology(IR) procedures are significantly exposed to the scatter radiation because they stand in close proximity to the patient. Since modern IR techniques are often very complicated and require extended operation time, doses to IR workers tend to increase considerably. In general, the personal dose equivalent at 10 mm depth, H p (10), read from one dosimeter worn on the trunk of a radiation worker is assumed to be a good estimate of the effective dose and compared to the dose limits for regulatory compliance. This assumption is based on the exposure conditions that the radiation field is broad and rather homogeneous. However, IR workers usually wear protective clothing like lead aprons and thyroid shield which allow part of the body being exposed to much higher doses. To solve this problem, i.e. to adequately estimate the effective doses of IR workers, use of double dosimeters, one under the apron and one over the apron where unshielded part of the body exposed, was recommended. Several algorithms on the interpretation of the two dosimeter readings have been proposed. However, the dosimeter weighting factors applied to the algorithm differ significantly, which quests a question on the reliability of the algorithm. Moreover, there are some changes in the process of calculating the effective dose in the 2007 recommendations of the International Commission on Radiological Protection(ICRP): changes in the radiation weighting factors, tissue weighting factors and the computational reference phantoms. Therefore, this study attempts to set a new algorithm for interpreting two dosimeter readings to provide a proper estimate of the effective dose for IR workers, incorporating those changes in definition of effective dose. The effective doses were estimated using Monte Carlo simulations for various practical conditions based on the vogel reference phantom and the new tissue weighting factors. A quasi-effective dose, which is

  2. Development of double dosimetry algorithm for assessment of effective dose to staff in interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Ji Young

    2011-02-15

    Medical staff involving interventional radiology(IR) procedures are significantly exposed to the scatter radiation because they stand in close proximity to the patient. Since modern IR techniques are often very complicated and require extended operation time, doses to IR workers tend to increase considerably. In general, the personal dose equivalent at 10 mm depth, H{sub p}(10), read from one dosimeter worn on the trunk of a radiation worker is assumed to be a good estimate of the effective dose and compared to the dose limits for regulatory compliance. This assumption is based on the exposure conditions that the radiation field is broad and rather homogeneous. However, IR workers usually wear protective clothing like lead aprons and thyroid shield which allow part of the body being exposed to much higher doses. To solve this problem, i.e. to adequately estimate the effective doses of IR workers, use of double dosimeters, one under the apron and one over the apron where unshielded part of the body exposed, was recommended. Several algorithms on the interpretation of the two dosimeter readings have been proposed. However, the dosimeter weighting factors applied to the algorithm differ significantly, which quests a question on the reliability of the algorithm. Moreover, there are some changes in the process of calculating the effective dose in the 2007 recommendations of the International Commission on Radiological Protection(ICRP): changes in the radiation weighting factors, tissue weighting factors and the computational reference phantoms. Therefore, this study attempts to set a new algorithm for interpreting two dosimeter readings to provide a proper estimate of the effective dose for IR workers, incorporating those changes in definition of effective dose. The effective doses were estimated using Monte Carlo simulations for various practical conditions based on the vogel reference phantom and the new tissue weighting factors. A quasi-effective dose, which is

  3. The Madeira River, Society and Power Industry: the construction of hydropower plants and its impacts and interventions in society

    Directory of Open Access Journals (Sweden)

    Artur de Souza Moret

    2011-12-01

    Full Text Available Energy is made operational in an industry with great spectrum and impact on world and local economic activities, as it enables the generation production of various products and facilitates human activities, such as transportation, comfort and leisure. The figures in the industry are exceedingly large regarding supply, consumption, financial volume, and influence on individuals, and social imaginarium. Thus, it is understood that Energy defines the course of society, whether positive or negative. The construction of dams on the Madeira River will be examined from this theoretical framework.

  4. Angiography and interventional radiology of the kidneys; Angiographie und interventionelle Radiologie der Nieren

    Energy Technology Data Exchange (ETDEWEB)

    Hansmann, J.; Richter, G.M.; Hallscheidt, P.; Duex, M.; Noeldge, G.; Kaufmann, G.W. [Heidelberg Univ. (Germany). Abt. Radiodiagnostik

    1999-05-01

    For imaging of renal pathology a broad spectrum of radiologic diagnostic procedures are available which are, sometimes and particularly more recently, competing among each other in their diagnostic yield and relevance. For tumorous lesions ultrasound, computed tomography and magnetic resonance imaging are performed predominantly. Angiography is no longer required with the exception of highly selected cases and in some specific preoperative workup requirements. Until recently, catheter based digital subtraction angiography has been considered as gold standard. However, non-invasive techniques such as CT-angiography and MR-angiography are evolving parallel to their quantum leap of resolutions and readiness to use. Nevertheless, well accepted criteria for quality assessement of these new modalities are still lacking. More comparison studies are urgently warranted. Despite the availability of ultrashort pulse sequences applying the T1 relaxation reduction effect of gadolinium enhanced MR techniques overestimation of renal artery stenosis still poses a substantial problem. Renal intervention implies a variety of procedures such as plain angioplasty, stent placement, embolization of traumatic and both benign and malignant tumors. These methods have emerged over the last two decades from a more experimental nature to a fully accepted treatment option. When renal artery angioplasty is embedded in an aggressive approach including stenting as an adjunct for more complex cases, renal ostial lesions and a well organized follow-up regimen its therapeutic potential for treatment of renal insufficiency, malignant hypertension, for organ preservation bears a very high potential. Provided adequate periinterventional drug regimen restenosis rates may be as low as 10%. In highly selected cases capillary embolization might be used as an alternative to nephrectomy with a similar clinical outcome. Particularly the development of superselective small caliber embolization catheters

  5. Characterization of MOSFET detectors for in vivo dosimetry in interventional radiology and for dose reconstruction in case of overexposure.

    Science.gov (United States)

    Bassinet, Céline; Huet, Christelle; Baumann, Marion; Etard, Cécile; Réhel, Jean-Luc; Boisserie, Gilbert; Debroas, Jacques; Aubert, Bernard; Clairand, Isabelle

    2013-04-01

    As MOSFET (Metal Oxide Semiconductor Field Effect Transistor) detectors allow dose measurements in real time, the interest in these dosimeters is growing. The aim of this study was to investigate the dosimetric properties of commercially available TN-502RD-H MOSFET silicon detectors (Best Medical Canada, Ottawa, Canada) in order to use them for in vivo dosimetry in interventional radiology and for dose reconstruction in case of overexposure. Reproducibility of the measurements, dose rate dependence, and dose response of the MOSFET detectors have been studied with a Co source. Influence of the dose rate, frequency, and pulse duration on MOSFET responses has also been studied in pulsed x-ray fields. Finally, in order to validate the integrated dose given by MOSFET detectors, MOSFETs and TLDs (LiF:Mg,Cu,P) were fixed on an Alderson-Rando phantom in the conditions of an interventional neuroradiology procedure, and their responses have been compared. The results of this study show the suitability of MOSFET detectors for in vivo dosimetry in interventional radiology and for dose reconstruction in case of accident, provided a well-corrected energy dependence, a pulse duration equal to or higher than 10 ms, and an optimized contact between the detector and the skin of the patient are achieved.

  6. On intervention levels for nuclear or radiological emergency and decision-making on protective measures

    International Nuclear Information System (INIS)

    Wang Hengde; Nakashima, Y.

    1999-01-01

    The intervention principles and intervention levels newly recommended by ICRP and IAEA are introduced, the necessarily of determining site specific intervention levels is discussed, the method of estimating intervention levels with human capital approach by an example of Japan case is described, and finally decision-making issues are discussed and a decision-making chain is given

  7. Current radiology. Volume 5

    International Nuclear Information System (INIS)

    Wilson, G.H.; Hanafee, W.N.

    1984-01-01

    This book contains 10 selections. They are: Nuclear Magnetic Resonance Imaging, Interventional Vascular Radiology, Genitourinary Radiology, Skeletal Radiology, Digital Subtraction Angiography, Neuroradiology, Computed Tomographic Evaluation of Degenerative Diseases of the Lumbar Spine, The Lung, Otolaringology and Opthalmology, and Pediatric Radiology: Cranial, Facial, Cervical, Vertebral, and Appendicular

  8. Economic evaluation of angiographic interventions including a whole-radiology in- and outpatient care; Wirtschaftliche Evaluation angiographischer Interventionen einschliesslich einer radiologischen stationaeren und ambulanten Patientenbetreuung

    Energy Technology Data Exchange (ETDEWEB)

    Nolte-Ernsting, C.; Abel, K.; Krupski, G.; Lorenzen, J.; Adam, G. [Klinik und Poliklinik fuer Diagnostische und Interventionelle Radiologie, Universitaetsklinikum Hamburg-Eppendorf (Germany)

    2006-01-01

    Purpose: To determine the economic efficiency of a whole-radiology in- and outpatient treatment with angiographic interventions performed as the main or sole therapy. Materials and Methods: The calculations represent the data of a university radiology department, including the following angiographic interventions (neuroradiology not considered): Vascular intervention (PTA, stent implantation) of kidneys and extremities, recanalization of hemodialysis access, chemoembolization, diagnostic arterioportal liver CT, port implantation, varicocele embolization, PTCD, percutaneous implantation of biliary stent. First, the different angiographic interventions are categorized with reference to the German DRG system 2005. Considering the example of a university hospital, the individual cost of each intervention is calculated and correlated with reimbursements by G-DRG2005 and so-called ''ambulant operation'' (EBM200plus). With these data, profits and losses are calculated for both in- and outpatient care. Results: Radiologic interventions of inpatients yield a profit in the majority of cases. With a base rate of 2900 Euro, the profits in our university hospital range between -872 Euro and +3411 Euro (mean: +1348 Euro). On the other hand, those angiographic interventions suitable for ''ambulant operation'' generate average profits of +372 Euro, if only direct costs are considered. The data of outpatient radiological interventions average between 381 Euro up to 1612 Euro lower than compared with profits obtained from in patient care. (orig.)

  9. Experience of the Argentine Radioprotection Society in training in radiological protection; Experiencia de la Sociedad Argentina de radioproteccion en capacitacion en proteccion radiologica

    Energy Technology Data Exchange (ETDEWEB)

    Bomben, A M [Sociedad Argentina de Radioproteccion (SAR), Av. del Libertador 8250 of. 122, (1429), Buenos Aires (Argentina)

    2006-07-01

    From its creation in 1967, the Argentine Radioprotection Society (SAR) has as basic purpose promoting all the aspects related with the radiological protection and the nuclear safety. Due to the great increment in the use of radioactive sources in diverse areas, soon it was evident for the SAR the importance and necessity to promote the knowledge of the radioprotection approaches between the users of radioactive sources and ionizing radiations in all its application fields, be these industrial, academic or doctors. From the year 2000, the SAR comes organizing in regular and periodical form basic and specialized courses about radiological safety of radioactive sources for industrial use and profile of oil wells, among others. In this work, the characteristics of the different dictated courses are described whose programs have been developed keeping in mind the requirements of the competent authorities of Argentina. Also, statistical information on the dictated courses and its participants is presented. The number of dictated courses was incremented from 6 (year 2000) up to 16 (year 2005), being also increased significantly the number of participants for course. The dictated courses are theoretical-practical, with a duration average of 20 hs. The educational body is constituted by specialists in the different topics with recognized experience. Its given to the participants notes and support material, as well as copies of the material presented to develop the course. When concluding the courses, its deliver to the participants certifies of attendance and/or approval, as it corresponds. In their headquarters the SAR has didactic facilities and specific equipment for the dictation of the courses. Also accounts with the easiness of dictating those courses outside of their headquarters. This is particularly advantageous for companies or organizations that are seated in points far from the main cities and they should qualify in radiological safety to the personnel but, by

  10. Global view on the radiological protection of patients: Position paper by the International Society for Radiation Oncology

    International Nuclear Information System (INIS)

    Svensson, H.

    2001-01-01

    The International Society for Radiation Oncology (ISRO) is a federation of regional and national societies. These societies include about 80 000 radiation oncologists, physicists and related specialists. The incidence of cancer per year in developing countries is about 0.08 to about 0.2% of the population. In some developed countries, up to 0.5% of the population will be diagnosed with cancer each year - this is a very high figure. You must also look at prevalence: that is, how many of those that have had the diagnosis 'cancer' are still alive. In some developed countries, up to 3% of the population have had the diagnosis 'cancer' at some stage in their life. The projected number of new cases in the year 2000 is five million for developing and five million for developed countries. On the basis of practices exercised today in many advanced developed countries, it is estimated that 50% of these would need radiotherapy. In some countries, up to 60% of cancer cases receive at least one course of radiation treatment. Of course, good quality assurance is a matter of life and death for the patient, and radiation protection and quality assurance are in many situations much the same thing. What can the international societies do in this context? We can try to inform and teach our friends in less developed countries. For this reason, many educational meetings have been organized by the ISRO. The society tries to hold these meetings outside developed areas such as Europe and north America, and to convene them in developing regions of the world, instead. By including experienced teachers from more developed areas, the society seeks to help those who do not yet have all the knowledge they need

  11. Report About a New Standard for Radiation Protection Training of Intervention Persons. In the Case of Radiological emergency Situations

    International Nuclear Information System (INIS)

    Geringer, T.; Steurer, A.; Schmitzer, C.

    2004-01-01

    In autumn 2003 the Austrian standard OENORM S 5207 with the title R adiation protection training of intervention persons in the case of radiological emergency situations w ill be published. The standard is directed to persons who have to invent in case of a radiological emergency, security forces and as well training centres. The standard has to fulfil three objectives: 1. Regulation of the minimum requirements for the radiation protection training and education of intervention persons. 2. Harmonization of the radiation protection and training of different security forces, for instance Austrian army, Red Cross Austria, Fire Department, Police Department. 3. Mutual recognition of parts of the education between the different security forces. To fulfil these aims the standard is structured in different education modules. If , for instance, a person attended a special training module at the Austrian military, this part of the education is also valid for a career at the Fire Department. Further the modular structure of the education gives the possibility for persons of a special security force to attend one or more modules at another security force. This will lead to an improved cooperation between the different security forces in case of a radiological emergency situation. The education is structured in four levels. The topics of the standard are: 1. Requirements for training centres 2. Guidelines for the examinations of the candidates 3. Topics and goals of the basic education 4. Topics and goals of the advanced education level one 5. Topics and goals of the advanced education level two 6. Topics and examples of specialised education 7. Obligatory further education once every year. (Author)

  12. Developing low-dose C-arm CT imaging for temporomandibular joint (TMJ) disorder in interventional radiology

    Energy Technology Data Exchange (ETDEWEB)

    Zhu, Xiaowei; Cahill, Anne Marie [Children' s Hospital of Philadelphia, Department of Radiology, Philadelphia, PA (United States); Felice, Marc [University of Pennsylvania, Environmental Health and Radiation Safety, Philadelphia, PA (United States); Johnson, Laura [Computed Tomography Division, Siemens Healthcare Sector, Shanghai (China); Sarmiento, Marily [Siemens Medical Solutions, Angiography and X-ray Division, Hoffman Estates, IL (United States)

    2011-04-15

    Manufacturers have provided C-arm CT imaging technologies for applications in interventional radiology in recent years. However, clinical imaging protocols and radiation doses have not been well studied or reported. The purpose of this study is to develop low-dose settings for clinically acceptable CT imaging of temporomandibular joint in interventional radiology suites, using a C-arm imaging angiography system. CT scans were performed with a flat-panel digital C-arm angiographic system on a 5-year-old anthropomorphic phantom. The CTDI was determined for various rotation times, dose settings and Cu filter selections. The CTDI values were compared with those of conventional low-dose CT for the same phantom. The effectiveness of using Cu filters to reduce dose was also investigated. Images were reviewed by a senior radiologist for clinical acceptance. The manufacturer's default setting gave an equivalent CTDI of 4.8 mGy. Optimizing the dose settings and adding copper filtration reduced the radiation dose by 94%. This represents a 50% reduction from conventional CT. Use of Cu filters and low-dose settings significantly reduced radiation dose from that of standard settings. This phantom study process successfully guided the clinical implementation of low-dose studies for all ages at our institution. (orig.)

  13. The role of interventional radiology in biliary complications after orthotopic liver transplantation: a single-center experience

    International Nuclear Information System (INIS)

    Civelli, Enrico Maria; Cozzi, Guido; Milella, Marco; Suman, Laura; Severini, Aldo; Meroni, Roberta; Vercelli, Ruggero

    2004-01-01

    This study evaluated interventional radiological experience in the management of biliary complications of OLT at the National Cancer Institute of Milan. Seventeen patients who had undergone orthotopic liver transplantation in various hospital were referred to our unit with biliary complications. Group I consisted of 8 patients with anastomotic biliary fistula who came to our attention a short time after transplantation. Group II consisted of 9 patients with anastomotic strictures who came to our attention in a longer period. Two different interventional radiological approaches were used: (a) percutaneous transhepatic biliary drainage (PTBD) in the presence of fistulas in patients of group I; and (b) percutaneous transhepatic biliary drainage combined with dilatation of the strictures with a balloon catheter in patients of group II. On the whole resolution of the biliary complications was achieved in 13 of the 17 cases treated (76.5%), 5 of 8 in group I and 8 of 9 in group II. No secondary stenosis after PTBD were observed in group I, whereas two patients of group II needed a second dilatation. Percutaneous biliary drainage is indicated as a valid treatment in the management of biliary complications, either to allow closure of the fistula either to perform balloon dilatation of stenosis. (orig.)

  14. Life-threatening bleeding and radiologic intervention after aesthetic surgeries with minimal invasive approaches: report of two cases.

    Science.gov (United States)

    Kim, Youn-Hwan; Kim, Jong-Do; Visconti, Giuseppe; Kim, Jeong-Tae

    2010-10-01

    In this article, the authors report two cases of life-threatening bleeding after cosmetic surgeries that have been successfully treated with radiologic intervention. A 25-year-old female and a 35-year-old female presented at their institutions because of postoperative bleeding after intraoral mandibular angle ostectomy and endoscopic-guided trans-axillary breast augmentation, respectively. A ruptured traumatic pseudo-aneurysm of the right superficial temporal artery was diagnosed in the first case and a haematoma posterior to the right pectoralis major, due to active bleeding from a perforator of internal mammary artery, in the second case. Attempts were made to stop the haemorrhage using standard methods, but failed. Therefore, superselective microcatheter angioembolisation has been successfully performed in both the cases. At 22-month follow-up for the first case and at 12-month follow-up for the second case, the patients are asymptomatic and the cosmetic outcomes are being preserved. With radiologic intervention, the authors gained satisfactory results in the above-mentioned situations. Using this, with only local anaesthesia and the absence of incisions, a precise approach with immediate treatment to the haemorrhaging site is possible. This can be an excellent solution for arterial bleeding that is difficult to access anatomically after aesthetic surgeries, and in selected cases. Furthermore, this procedure is less disfiguring and preserves the aesthetic surgery outcomes. Copyright 2010 British Association of Plastic, Reconstructive and Aesthetic Surgeons. Published by Elsevier Ltd. All rights reserved.

  15. C-arm flat detector computed tomography: the technique and its applications in interventional neuro-radiology

    International Nuclear Information System (INIS)

    Kamran, Mudassar; Nagaraja, Sanjoy; Byrne, James V.

    2010-01-01

    Flat detector computed tomography (FDCT) is an imaging tool that generates three-dimensional (3-D) volumes from data obtained during C-arm rotation using CT-like reconstruction algorithms. The technique is relatively new and, at current levels of performance, lags behind conventional CT in terms of image quality. However, the advantage of its availability in the interventional room has prompted neuro-radiologists to identify clinical settings where its role is uniquely beneficial. We performed a search of the online literature databases to identify studies reporting experience with FDCT in interventional neuro-radiology. The studies were systematically reviewed and their findings grouped according to specific clinical situation addressed. FDCT images allow detection of procedural complications, evaluation of low-radiopacity stents and assessment of endosaccular coil packing in intra-cranial aneurysms. Additional roles are 3-D angiography that provides an accurate depiction of vessel morphology with low concentrations of radiographic contrast media and a potential for perfusion imaging due to its dynamic scanning capability. A single scan combining soft tissue and angiographic examinations reduces radiation dose and examination time. Ongoing developments in flat detector technology and reconstruction algorithms are expected to further enhance its performance and increase this range of applications. FDCT images provide useful information in neuro-interventional setting. If current research confirms its potential for assessing cerebral haemodynamics by perfusion scanning, the combination would redefine it as an invaluable tool for interventional neuro-radiology procedures. This facility and its existing capabilities of parenchymal and angiographic imaging would also extend its use to the triage of acute stroke patients. (orig.)

  16. Patients and personnel radiation protection in interventional radiology and in surgery;La radioprotection des patients et des travailleurs en radiologie interventionnelle et au bloc operatoire

    Energy Technology Data Exchange (ETDEWEB)

    Menechal, P. [Centre de Recherches en Psychopathologie et Psychologie Clinique - CRPPC, 69 - Lyon (France); Valero, M.; Godet, J.L. [Lyon-3 Univ. Jean Moulin, 69 (France)

    2009-10-15

    The development of the interventional radiology and acts realised under radiological guiding is a real benefit for patients. The doses delivered can however, generate important detriments (determinist effects). the patients and the personnel are exposed to important doses, heterogeneous and very different doses according the operator, the patient morphology and the treated pathology. This theme is considered by the the nuclear safety Authority as a priority in the medical medium. (N.C.)

  17. Converting Scoliosis Research Society-24 to Scoliosis Research Society-22r in a Surgical-Range, Medical/Interventional Adolescent Idiopathic Scoliosis Patient Cohort.

    Science.gov (United States)

    Chen, Antonia F; Bi, Wenzhu; Singhabahu, Dilrukshika; Londino, Joanne; Hohl, Justin; Ward, Maeve; Ward, W Timothy

    2013-03-01

    Prospective questionnaire administration study. To assess the ability to translate total and domain scores from Scoliosis Research Society (SRS)-24 to SRS-22r in a surgical-range, medical/interventional adolescent idiopathic scoliosis (AIS) patient population. Conversion of SRS-24 to SRS-22r is demonstrated in an operative cohort of patients with AIS, but not in a medical/interventional patient population. We simultaneously administered SRS-24 and SRS-22r questionnaires to 75 surgical-range, medical/interventional AIS patients and compared them. We performed analysis by regression modeling to produce conversion equations from SRS-24 to SRS-22r. The total SRS-24 score for these medical/interventional AIS patients was 92.5 ± 9.45 (mean, 3.9 ± 0.39), and the total SRS-22r score was 93.5 ± 9.63 (mean, 4.3 ± 0.44). The correlation between these 2 groups was fair (R 2 = 0.77) and improved to good when mental health or recall questions were removed. The correlation was also fair for total pain domains (R 2 = 0.73). However, there was poor correlation for general self-image (R 2 = 0.6) and unacceptable for post-treatment self-image (R 2 = 0.01), general function (R 2 = 0.52), activity function (R 2 = 0.56), and satisfaction (R 2 = 0.53). Compared with a published population of operative AIS patients, R 2 values for total SRS-24 scores, pain, general self-image, activity function, and satisfaction were similar (p > .05). The R 2 values for general function and combined general and activity function were significantly different between the operative and medical/interventional cohorts. Scoliosis Research Society-24 can be converted to SRS-22r scores with fair accuracy in the surgical-range, medical/interventional AIS patient population for total score, and total pain domains. The SRS-24 translates unacceptably to the SRS-22r in self-image, function, and satisfaction domains. The SRS-24 to SRS-22r conversion equations are similar to operative AIS patients, except for the

  18. The American Society of Regional Anesthesia and Pain Medicine, the European Society of Regional Anaesthesia and Pain Therapy, and the Asian Australasian Federation of Pain Societies Joint Committee recommendations for education and training in ultrasound-guided interventional pain procedures.

    Science.gov (United States)

    Narouze, Samer N; Provenzano, David; Peng, Philip; Eichenberger, Urs; Lee, Sang Chul; Nicholls, Barry; Moriggl, Bernhard

    2012-01-01

    The use of ultrasound in pain medicine for interventional axial, nonaxial, and musculoskeletal pain procedures is rapidly evolving and growing. Because of the lack of specialty-specific guidelines for ultrasonography in pain medicine, an international collaborative effort consisting of members of the Special Interest Group on Ultrasonography in Pain Medicine from the American Society of Regional Anesthesia and Pain Medicine, the European Society of Regional Anaesthesia and Pain Therapy, and the Asian Australasian Federation of Pain Societies developed the following recommendations for education and training in ultrasound-guided interventional pain procedures. The purpose of these recommendations is to define the required skills for performing ultrasound-guided pain procedures, the processes for appropriate education, and training and quality improvement. Training algorithms are outlined for practice- and fellowship-based pathways. The previously published American Society of Regional Anesthesia and Pain Medicine and European Society of Regional Anaesthesia and Pain Therapy education and teaching recommendations for ultrasound-guided regional anesthesia served as a foundation for the pain medicine recommendations. Although the decision to grant ultrasound privileges occurs at the institutional level, the committee recommends that the training guidelines outlined in this document serve as the foundation for educational training and the advancement of the practice of ultrasonography in pain medicine.

  19. [The abuse of radiological diagnostic tests as a metaphor of the post-modern, new-media and consumerism society].

    Science.gov (United States)

    Dimonte, Mariano

    2008-03-01

    Aim of this paper is to offer some cue of reflection about some sociological aspects on the emergent phenomenon of the abuse of Imaging tests, interpreting this issue in the light of general dynamics crossing the actual post-modern society, so well characterized from the consumerism and the dominion of information and communication technologies, as vectors of messages mainly transmitted in a graphic format.

  20. International children's continence society's recommendations for therapeutic intervention in congenital neuropathic bladder and bowel dysfunction in children

    NARCIS (Netherlands)

    Rawashdeh, Y. F.; Austin, P.; Siggaard, C.; Bauer, S. B.; Franco, I.; de Jong, T. P.; Jorgensen, T. M.

    2012-01-01

    Purpose We present a consensus view of members of the International Children's Continence Society on the therapeutic intervention in congenital neuropatic bladder and bowel dysfunction in children. Material and Methods Discussions were held by a group of pediatric urologists and gastroenterologists

  1. American Society for Radiation Oncology (ASTRO) and American College of Radiology (ACR) Practice Guideline for the Transperineal Permanent Brachytherapy of Prostate Cancer

    International Nuclear Information System (INIS)

    Rosenthal, Seth A.; Bittner, Nathan H.J.; Beyer, David C.; Demanes, D. Jeffrey; Goldsmith, Brian J.; Horwitz, Eric M.; Ibbott, Geoffrey S.; Lee, W. Robert; Nag, Subir; Suh, W. Warren; Potters, Louis

    2011-01-01

    Transperineal permanent prostate brachytherapy is a safe and efficacious treatment option for patients with organ-confined prostate cancer. Careful adherence to established brachytherapy standards has been shown to improve the likelihood of procedural success and reduce the incidence of treatment-related morbidity. A collaborative effort of the American College of Radiology (ACR) and American Society for Therapeutic Radiation Oncology (ASTRO) has produced a practice guideline for permanent prostate brachytherapy. The guideline defines the qualifications and responsibilities of all the involved personnel, including the radiation oncologist, physicist and dosimetrist. Factors with respect to patient selection and appropriate use of supplemental treatment modalities such as external beam radiation and androgen suppression therapy are discussed. Logistics with respect to the brachtherapy implant procedure, the importance of dosimetric parameters, and attention to radiation safety procedures and documentation are presented. Adherence to these practice guidelines can be part of ensuring quality and safety in a successful prostate brachytherapy program.

  2. American Society for Radiation Oncology (ASTRO) and American College of Radiology (ACR) Practice Guideline for the Performance of High-Dose-Rate Brachytherapy

    International Nuclear Information System (INIS)

    Erickson, Beth A.; Demanes, D. Jeffrey; Ibbott, Geoffrey S.; Hayes, John K.; Hsu, I-Chow J.; Morris, David E.; Rabinovitch, Rachel A.; Tward, Jonathan D.; Rosenthal, Seth A.

    2011-01-01

    High-Dose-Rate (HDR) brachytherapy is a safe and efficacious treatment option for patients with a variety of different malignancies. Careful adherence to established standards has been shown to improve the likelihood of procedural success and reduce the incidence of treatment-related morbidity. A collaborative effort of the American College of Radiology (ACR) and American Society for Therapeutic Radiation Oncology (ASTRO) has produced a practice guideline for HDR brachytherapy. The guideline defines the qualifications and responsibilities of all the involved personnel, including the radiation oncologist, physicist and dosimetrists. Review of the leading indications for HDR brachytherapy in the management of gynecologic, thoracic, gastrointestinal, breast, urologic, head and neck, and soft tissue tumors is presented. Logistics with respect to the brachytherapy implant procedures and attention to radiation safety procedures and documentation are presented. Adherence to these practice guidelines can be part of ensuring quality and safety in a successful HDR brachytherapy program.

  3. Methodology for developing evidence-based clinical imaging guidelines: Joint recommendations by Korea society of radiology and national evidence-based healthcare collaborating agency

    Energy Technology Data Exchange (ETDEWEB)

    Choi, Sol Ji; Jo, Ae Jeong; Choi, Jin A [Div. for Healthcare Technology Assessment Research, National Evidence-Based Healthcare Collaborating Agency, Seoul (Korea, Republic of); and others

    2017-01-15

    This paper is a summary of the methodology including protocol used to develop evidence-based clinical imaging guidelines (CIGs) in Korea, led by the Korean Society of Radiology and the National Evidence-based Healthcare Collaborating Agency. This is the first protocol to reflect the process of developing diagnostic guidelines in Korea. The development protocol is largely divided into the following sections: set-up, process of adaptation, and finalization. The working group is composed of clinical imaging experts, and the developmental committee is composed of multidisciplinary experts to validate the methodology. The Korean CIGs will continue to develop based on this protocol, and these guidelines will act for decision supporting tools for clinicians as well as reduce medical radiation exposure.

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