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Interventional radiologist

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https://www.readbyqxmd.com/read/28318657/radiation-dose-among-different-cardiac-and-vascular-invasive-procedures-the-rodeo-study
#1
Alessandro Sciahbasi, Giuseppe Ferrante, Dionigi Fischetti, Daniel Jonathan Miklin, Alessandro Sarandrea, Valentina Schirripa, Fabrizio Guarracini, Arash Arya, Giorgio Loreni, Antonio Bruni, Stefano Rigattieri, Massimiliano Marini, Simone Vagnarelli, Germano Scevola, Bernhard Reimers, Gerhard Hindricks, Mauricio Cohen
BACKGROUND: Interventional radiology and cardiology procedures contribute significantly to the collective dose of radiation exposure from medical interventions. Recent and dedicated studies comparing directly these procedures in term of patient radiation exposure are lacking. Our aim was to compare radiation exposure among different interventional procedures performed under fluoroscopic guidance. METHODS: The RODEO study (NCT: 02972736) is an international observational retrospective multicenter study enrolling all patients undergoing diagnostic or interventional procedures performed by different interventional operators (i...
March 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28318439/focused-assessment-with-sonography-in-trauma-fast-in-2017-what-radiologists-can-learn
#2
John R Richards, John P McGahan
Focused assessment with sonography in trauma (FAST) has been extensively utilized and studied in blunt and penetrating trauma for the past 3 decades. Prior to FAST, invasive procedures such as diagnostic peritoneal lavage and exploratory laparotomy were commonly utilized to diagnose intraabdominal injury. Today the FAST examination has evolved into a more comprehensive study of the abdomen, heart, chest, and inferior vena cava, and many variations in technique, protocols, and interpretation exist. Trauma management strategies such as laparotomy, laparoscopy, endoscopy, computed tomographic angiography, angiographic intervention, serial imaging, and clinical observation have also changed over the years...
April 2017: Radiology
https://www.readbyqxmd.com/read/28316309/high-resolution-ct-angiogram-for-lower-extremity-vein-mapping
#3
Mark P Wright, Matthew R Smeds, Lonnie Wright, Ahsan T Ali
High-resolution CT angiogram (CTA) has replaced traditional diagnostic angiography as the main preoperative imaging modality for vascular surgery patients. Although the use of CTA is increasing for arterial imaging, it has not been used routinely for vein mapping. The goal of this study was to evaluate the accuracy of CTA for venous anatomy and compare it to a standard venous duplex ultrasound (DUS). When the vein was used for bypass, the quality and size of the vein were evaluated in the operating room. As part of a preoperative workup before lower extremity revascularization, 16 patients underwent a CTA followed by a DUS...
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28301310/glass-fiber-based-mr-safe-guidewire-for-mr-imaging-guided-endovascular-interventions-in-vitro-and-preclinical-in-vivo-feasibility-study
#4
Alexander Massmann, Arno Buecker, Guenther K Schneider
Purpose To evaluate glass-fiber-based guidewires that are safe for magnetic resonance (MR) imaging-guided endovascular interventions by using a phantom and an in vivo swine model. Materials and Methods MR imaging-safe guidewires were made from micropultruded glass and/or aramid fibers and epoxy resin with diameters of 0.89 mm (0.035 inch) for standard and stiff guidewires and 0.36 mm (0.014 inch) for micro guidewires. MR imaging visibility and mechanical properties were assessed in a pulsatile flow model. After approval was obtained from the institutional animal care and use committee, MR imaging guidewires were evaluated for standard endovascular procedures in nine pigs...
March 14, 2017: Radiology
https://www.readbyqxmd.com/read/28301213/academic-radiologist-subspecialty-identification-using-a-novel-claims-based-classification-system
#5
Andrew B Rosenkrantz, Wenyi Wang, Danny R Hughes, Luke A Ginocchio, David A Rosman, Richard Duszak
OBJECTIVE: The objective of the present study is to assess the feasibility of a novel claims-based classification system for payer identification of academic radiologist subspecialties. MATERIALS AND METHODS: Using a categorization scheme based on the Neiman Imaging Types of Service (NITOS) system, we mapped the Medicare Part B services billed by all radiologists from 2012 to 2014, assigning them to the following subspecialty categories: abdominal imaging, breast imaging, cardiothoracic imaging, musculoskeletal imaging, nuclear medicine, interventional radiology, and neuroradiology...
March 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28298584/the-effect-of-radiologist-assistants-in-an-interventional-radiology-department
#6
Wesley Shay, David Silva, Heeralall Mohabir, Joseph Erinjeri
No abstract text is available yet for this article.
January 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28296957/computer-assisted-electromagnetic-navigation-improves-accuracy-in-computed-tomography-guided-interventions-a-prospective-randomized-clinical-trial
#7
Pierre Durand, Alexandre Moreau-Gaudry, Anne-Sophie Silvent, Julien Frandon, Emilie Chipon, Maud Médici, Ivan Bricault
PURPOSE: To assess the accuracy and usability of an electromagnetic navigation system designed to assist Computed Tomography (CT) guided interventions. MATERIALS AND METHODS: 120 patients requiring a percutaneous CT intervention (drainage, biopsy, tumor ablation, infiltration, sympathicolysis) were included in this prospective randomized trial. Nineteen radiologists participated. Conventional procedures (CT group) were compared with procedures assisted by a navigation system prototype using an electromagnetic localizer to track the position and orientation of a needle holder (NAV group)...
2017: PloS One
https://www.readbyqxmd.com/read/28292519/interventional-radiology-service-provision-and-practice-for-the-management-of-traumatic-splenic-injury-across-the-regional-trauma-networks-of-england
#8
Jane Hughes, Ashley Scrimshire, Laura Steinberg, Petros Yiannoullou, Katherine Newton, Claire Hall, Lyndsay Pearce, Andrew Macdonald
INTRODUCTION: 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...
February 27, 2017: Injury
https://www.readbyqxmd.com/read/28291675/choices-of-stent-and-cerebral-protection-in-the-ongoing-acst-2-trial-a-descriptive-study
#9
D D de Waard, A Halliday, G J de Borst, R Bulbulia, A Huibers, R Casana, L H Bonati, V Tolva
OBJECTIVE/BACKGROUND: Several plaque and lesion characteristics have been associated with an increased risk for procedural stroke during or shortly after carotid artery stenting (CAS). While technical advancements in stent design and cerebral protection devices (CPD) may help reduce the procedural stroke risk, and anatomy remains important, tailoring stenting procedures according to plaque and lesion characteristics might be a useful strategy in reducing stroke associated with CAS. In this descriptive report of the ongoing Asymptomatic Carotid Surgery Trial-2 (ACST-2), it was assessed whether choice for stent and use or type of CPD was influenced by plaque and lesion characteristics...
March 11, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28287940/diagnosis-and-management-of-complications-from-percutaneous-biliary-tract-interventions
#10
Nanda Venkatanarasimha, Karthik Damodharan, Apoorva Gogna, Sum Leong, Chow Wei Too, Ankur Patel, Kiang Hiong Tay, Bien Soo Tan, Richard Lo, Farah Irani
Complications related to percutaneous biliary tract interventions (PBTIs) can range from access site discomfort to life-threatening vascular complications. These complications are relatively uncommon, and most of them are self-limiting. However, major complications for which an increased level of patient care and/or a prolonged hospital stay are required and that may lead to death-albeit rarely-can occur. Some of the most common complications related to PBTI include pain, infection, bile leakage, and catheter blockage...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28280978/spanish-society-of-vascular-and-interventional-radiology-servei-bibliometric-study-2010-2015-what-how-and-where-do-spanish-interventional-radiologists-publish
#11
Celia Lahuerta, José A Guirola, Enrique Esteban, José Urbano, Alicia Laborda, Miguel Ángel De Gregorio
PURPOSE: We analyzed the scientific production of members of the Spanish Society of Vascular and Interventional Radiology (SERVEI) from 2010 to 2015. MATERIALS AND METHODS: We retrospectively analyzed the indexed scientific productivity of all SERVEI members for the last 6 years as measured by bibliometric indexes. Different databases were used (e.g., PubMed, Scopus, Web of Knowledge) to retrieve the total number of publications, number of citations, and h-index...
March 9, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28279413/a-primer-on-hemodialysis-from-an-interventional-radiology-perspective
#12
Rahul A Sheth, Anil U Sheth
Interventional radiologists play a central role in the care of patients with end-stage renal disease receiving renal replacement therapy. Ensuring that a patient׳s dialysis access remains suitable for high-quality dialysis is of paramount importance. However, although much has been spoken and written about endovascular techniques and outcomes based on angiographic criteria, little is generally known regarding the function and therefore the requirements of hemodialysis. In this article, we provide a heuristic overview of the mechanics of hemodialysis, with an emphasis on the "breaking points" in the extracorporeal circuit that trigger a patient׳s referral to Interventional Radiology...
March 2017: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/28279412/image-guided-approach-to-peritoneal-dialysis-catheter-placement
#13
Igor Latich, Randy L Luciano, Ali Mian
Peritoneal dialysis (PD) is a vastly underused form of renal replacement therapy that offers great flexibility to the patient, breaks the cycle of tri-weekly visits to a hemodialysis center, and is associated with fewer interventions to maintain functional dialysis access. PD catheter placement allows for urgent initiation of dialysis and minimizes the unnecessary use of temporary vascular access catheters. Image-guided placement of a PD catheter by interventional radiologists that combines ultrasound and fluoroscopy is an elegant, cost saving, safe, less invasive, and at least as effective an option when compared with traditional surgical placement...
March 2017: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/28277235/variation-in-the-level-of-detail-in-pediatric-voiding-cystourethrogram-reports
#14
Anthony J Schaeffer, Jeanne S Chow, Anastasia Ivanova, Gang Cui, Saul P Greenfield, J Michael Zerin, Alejandro Hoberman, Ranjiv I Mathews, Tej K Mattoo, Myra A Carpenter, Marva Moxey-Mims, Russell W Chesney, Caleb P Nelson
INTRODUCTION: Voiding cystourethrogram (VCUG) provides a wealth of data on urinary tract function and anatomy, but few standards exist for reporting VCUG findings. OBJECTIVE: We aimed to assess variability in VCUG reports and to test our hypothesis that VCUG reports from pediatric facilities and pediatric radiologists are more complete than those performed at other facilities or by non-pediatric radiologists. STUDY DESIGN: We analyzed original VCUG reports from children enrolled in the Randomized Intervention for Children with Vesicoureteral Reflux (RIVUR) trial...
October 8, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28276817/bariatric-embolization-a-new-and-effective-option-for-the-obese-patient
#15
Clifford R Weiss, Anjaneya S Kathait
Obesity is a public health epidemic in the United States, which results in significant morbidity, mortality, and cost to the healthcare system. Despite advancements in traditional therapeutic options for the obese patients, there is a treatment gap for patients in whom lifestyle modifications alone have not been successful, but for whom bariatric surgery is not a suitable option. Areas covered: This treatment gap needs to be addressed and thus, complimentary or alternative treatments to lifestyle changes and surgery are urgently needed...
April 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28265126/achieving-multidisciplinary-collaboration-for-the-creation-of-a-pulmonary-embolism-response-team-creating-a-team-of-rivals
#16
REVIEW
Christopher Kabrhel
Pulmonary embolism response teams (PERTs) have recently been developed to streamline care for patients with life-threatening pulmonary embolism (PE). PERTs are unique among rapid response teams, in that they bring together a multidisciplinary team of specialists to care for a single disease for which there are novel treatments but few comparative data to guide treatment. The PERT model describes a process that includes activation of the team; real-time, multidisciplinary consultation; communication of treatment recommendations; mobilization of resources; and collection of research data...
March 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28265125/pulmonary-embolism-the-astute-interventional-radiology-clinician
#17
REVIEW
Akhilesh K Sista
There has been a resurgence of interest in defining the optimal treatment for severe pulmonary embolism (PE), fueled by pivotal and provocative trials, new catheter-based medical devices, and growing evidence of deleterious short- and long-term outcomes. In this environment, and especially given the multidisciplinary nature of PE care, the interventional radiologist (IR) needs to become an astute, disease-specific expert. This review article describes the following "steps" an IR can take to reach this level: (1) understand PE stratification and epidemiology; (2) recognize the treatment goals for massive PE; (3) recognize the wide range of attitudes toward therapeutic escalation for submassive PE; (4) recognize what we do not know about the treatment of submassive PE and the limitations of current studies; (5) know the literature surrounding inferior vena cava filter insertion for severe PE; (6) integrate into the longitudinal care of the patient; and (7) be at the leading edge of new trials and technologies...
March 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28261768/percutaneous-cholecystostomy-a-curative-treatment-modality-forelderly-and-high-asa-score-acute-cholecystitis-patients
#18
Hüseyin Kerem Tolan, Aslıhan Semiz Oysu, Fatih Başak, İbrahim Atak, Mustafa Özbağrıaçık, Adnan Özpek, Mert Kaskal, Fikret Ezberci, Gürhan Baş
BACKGROUND: Acute cholecystitis (AC) is a common emergency seen by general surgeons. Optimal treatment is laparoscopic cholecystectomy (LC); however, in cases where surgery cannot be performed due to high risk of morbidity and mortality, such as in elderly patients with comorbid diseases, other treatment modalities may be used. Percutaneous cholecystostomy (PC) is one alternative method to treat AC. PC can be used to provide drainage of the gall bladder and control infection. Subsequently, interval cholecystectomy can be performed when there are better conditions...
January 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28261439/therapeutic-endoscopic-ultrasound
#19
REVIEW
Suresh Venkatachalapathy, Manu K Nayar
Endoscopic ultrasound (EUS) is now firmly established as one of the essential tools for diagnosis in most gastrointestinal MDTs across the UK. However, the ability to provide therapy with EUS has resulted in a significant impact on the management of the patients. These include drainage of peripancreatic collections, EUS-guided endoscopic retrograde cholangiopancreatogram, EUS-guided coeliac plexus blocks, etc. The rapid development of this area in endoscopy is a combination of newer tools and increasing expertise by endosonographers to push the boundaries of intervention with EUS...
April 2017: Frontline Gastroenterology
https://www.readbyqxmd.com/read/28259503/radiation-exposure-of-patients-and-interventional-radiologists-during-prostatic-artery-embolization-a-prospective-single-operator-study
#20
Gustavo Andrade, Helen J Khoury, William J Garzón, Felipe Dubourcq, Michel F Bredow, Lucas M Monsignore, Daniel G Abud
PURPOSE: To prospectively analyze the radiation exposure of patients and interventional radiologists during prostatic artery embolization (PAE). MATERIALS AND METHODS: Twenty-five consecutive PAE procedures performed with an Artis zee system in a single center by an interventional radiologist were prospectively monitored. The mean age, weight, and prostate volume of the patients were 65.7 year (range, 43-85 y), 71.4 kg (range, 54-88 kg), and 79 cm(3) (range, 36-157 cm(3)), respectively...
March 2, 2017: Journal of Vascular and Interventional Radiology: JVIR
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