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Interventional radiologist

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https://www.readbyqxmd.com/read/28914868/-combination-treatment-of-cerebral-arteriovenous-malformations-using-endovascular-and-microsurgical-techniques
#1
D M Galaktionov, A V Dubovoy, V S Kiselev, A O Sosnov, K S Ovsyannikov, A M Perfil'ev, A V Cherepanov
MATERIAL AND METHODS: The study included 40 patients with cerebral AVMs. In the study group, 14 (35%) patients underwent microsurgical resection without preliminary embolization (1st group), and 26 (65%) patients underwent combined treatment (endovascular embolization and microsurgical intervention, 2nd group). The first group included patients with S&M grade I-III AVMs, and the second group included patients with S&M grade II-V AVMs. Treatment outcomes were evaluated with allowance for completeness of AVM resection, operative blood loss, duration of surgery, changes in clinical and neurological impairments according to the modified Rankin scale, and rate of neurological and surgical complications...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28914343/image-guided-percutaneous-removal-of-ballistic-foreign-bodies-secondary-to-air-gun-injuries
#2
Jacob L Rothermund, Andrew J Rabe, Nicholas A Zumberge, James W Murakami, Patrick S Warren, Mark J Hogan
BACKGROUND: Ballistic injuries with retained foreign bodies from air guns is a relatively common problem, particularly in children and adolescents. If not removed in a timely fashion, the foreign bodies can result in complications, including pain and infection. Diagnostic methods to identify the presence of the foreign body run the entire gamut of radiology, particularly radiography, ultrasound (US) and computed tomography (CT). Removal of the foreign bodies can be performed by primary care, emergency, surgical, and radiologic clinicians, with or without imaging guidance...
September 15, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28912090/immuno-oncology-and-its-opportunities-for-interventional-radiologists-immune-checkpoint-inhibition-and-potential-synergies-with-interventional-oncology%C3%A2-procedures
#3
REVIEW
Ryan M Hickey, Laura M Kulik, Halla Nimeiri, Aparna Kalyan, Sheetal Kircher, Kush Desai, Ahsun Riaz, Robert J Lewandowski, Riad Salem
Immunotherapy, specifically the use of immune checkpoint inhibitors, offers a new approach to fighting cancer. Although the results of treatment with immune checkpoint inhibition alone have been remarkable for certain cancers, these results are not universal. Preclinical and early clinical studies indicate the potential for synergistic effects when immune checkpoint inhibition is combined with immunogenic local therapies such as ablation and embolization. This review offers an overview of immunology as it relates to immune checkpoint inhibition and the possibilities for synergy when combined with interventional radiology treatments...
September 12, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28899700/the-agony-of-it-all-musculoskeletal-discomfort-in-the-reading-room
#4
Rebecca L Seidel, Elizabeth A Krupinski
PURPOSE: The purpose of this study was to determine the extent and severity of musculoskeletal discomfort in radiologists using a standardized tool, the Cornell Musculoskeletal Discomfort Questionnaire (CMDQ). In addition, we evaluated the influence of demographic factors on the frequency of symptoms, degree of discomfort, interference of symptoms with ability to work, and overall pain. METHODS: The CMDQ was distributed via an anonymous link to all radiology trainees and faculty at our institution...
September 9, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28893002/interventional-angiography-radiation-protection-for-the-examiner-by-using-lead-free-gloves
#5
Peter Kamusella, Fabian Scheer, Christopher Wilhelm Lüdtke, Philipp Wiggermann, Christian Wissgott, Reimer Andresen
INTRODUCTION: The radiation exposure to unprotected parts of the body requires special attention for the interventional radiologist. During angiographic procedures, hands are exposed to the direct X-ray beam and scattered radiation. AIM: The aim of the study was to evaluate the radiation exposure of examiners hand with the use of lead-free X-ray protective gloves in clinical practice in terms of shielding and sense of touch. The aim of the study was to evaluate the radiation exposure of examiners hand with the use of lead-free X-ray protective gloves in clinical practice in terms of shielding and sense of touch...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28891406/clinical-practice-guideline-evaluation-of-the-neck-mass-in-adults
#6
Melissa A Pynnonen, M Boyd Gillespie, Benjamin Roman, Richard M Rosenfeld, David E Tunkel, Laura Bontempo, Itzhak Brook, Davoren Ann Chick, Maria Colandrea, Sandra A Finestone, Jason C Fowler, Christopher C Griffith, Zeb Henson, Corinna Levine, Vikas Mehta, Andrew Salama, Joseph Scharpf, Deborah R Shatzkes, Wendy B Stern, Jay S Youngerman, Maureen D Corrigan
Objective Neck masses are common in adults, but often the underlying etiology is not easily identifiable. While infections cause most of the neck masses in children, most persistent neck masses in adults are neoplasms. Malignant neoplasms far exceed any other etiology of adult neck mass. Importantly, an asymptomatic neck mass may be the initial or only clinically apparent manifestation of head and neck cancer, such as squamous cell carcinoma (HNSCC), lymphoma, thyroid, or salivary gland cancer. Evidence suggests that a neck mass in the adult patient should be considered malignant until proven otherwise...
September 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28890435/pain-control-in-thoracic-oncology
#7
Christine Peeters-Asdourian, Gilbert Massard, Paragi H Rana, Paul Van Houtte, Andrew P White, Bogdan Grigoriu, Dominique Lossignol, Mohammed Almalki, Jean Alexiou, Jean-Luc Engelholm, Jean-Paul Sculier
This review of pain management in lung cancer is based on the presentation of four cases of thoracic oncology patients with pain at various stages of their disease. The approach will be multidisciplinary, involving a thoracic oncologist, radiologist, thoracic and orthopaedic spine surgeon, radiation therapist, pain medicine specialist, and palliative care specialist. This multispecialty approach to the management of different painful presentations in thoracic oncology will demonstrate the complexity of each case and the improved patient outcomes which result from the involvement of different disciplines working in concert...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28887248/positive-impact-of-an-aortic-center-designation
#8
Adam Tanious, Mathew Wooster, Marcelo Giarelli, Paul A Armstrong, Brad Johnson, Karl A Illig, Bruce Zwiebel, Lawrence S Grundy, Robert Hooker, Christiano Caldeira, Martin A Back, Murray L Shames
BACKGROUND: In January 2015 we created a multidisciplinary Aortic Center with the collaboration of Vascular Surgery, Cardiac Surgery, Interventional Radiology, Anesthesia and Hospital Administration. We report the initial success of creating a Comprehensive Aortic Center. METHODS: All aortic procedures performed from January 1, 2015 until December 31, 2016 were entered into a prospectively collected database and compared with available data for 2014. Primary outcomes included the number of all aortic related procedures, transfer acceptance rate, transfer time and proportion of elective/emergent referrals...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28882376/a-novel-approach-to-improving-the-interpretation-of-ct-brain-in-trauma
#9
L R Evans, M C Fitzgerald, D Varma, B Mitra
BACKGROUND: Computed tomography of the brain (CTB) has a fundamental role in the diagnosis and management of traumatic brain injury (TBI). There may be substantial discordance between initial CTB interpretation by emergency clinicians and the final radiology report. This study aimed to assess the utility of a structured reporting template in improving the accuracy of CTB interpretation by emergency clinicians. METHOD: A prospective pre- and post-intervention cohort study was undertaken using a study population of emergency medicine trainees...
September 4, 2017: Injury
https://www.readbyqxmd.com/read/28879604/experiments-for-the-development-of-a-steerable-microcatheter
#10
Yoshitaka Inaba, Yasuaki Arai, Miyuki Sone, Takeshi Aramaki, Keigo Osuga, Hayao Tanaka, Kenichi Kanemasa
PURPOSE: Sumitomo Bakelite has developed a steerable microcatheter with a mechanism on the handle for changing the direction of the catheter tip. Experiments were conducted in an animal model to evaluate the practicality of the catheter with the goal of introduction into clinical use. MATERIALS AND METHODS: The steerable microcatheter has the following specifications: external diameter 2.4F/2.9F (distal/proximal portion); internal diameter 0.021 inches; effective length 125 cm; and it is fitted with a dial on the proximal portion for moving the tip...
September 6, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28869395/mri-of-suspected-appendicitis-during-pregnancy-inter-radiologist-agreement-indeterminate-interpretation-and-the-meaning-of-non-visualization-of-the-appendix
#11
Richard Tsai, Constantine Raptis, Kathryn J Fowler, Joseph W Owen, Vincent M Mellnick
OBJECTIVE: To determine the degree of inter-radiologist agreement between the MRI features of appendicitis during pregnancy, the outcomes associated with an indeterminate interpretation, and the negative predictive value of non-visualization of the appendix. METHODS: Our study was approved by our institutional review board and was HIPAA compliant. The informed consent requirement was waived. Cases of suspected appendicitis during pregnancy evaluated using MRI were retrospectively identified using search queries...
September 4, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28867583/-hybrid-operating-room-for-what
#12
M Benoit, A Bouvier, P Bigot
Hybrid operating rooms (HOR) are rooms that mix interventional radiology and surgical equipments. They are usually used in heart, vascular, orthopedic and neurosurgery, and make it possible to consider new minimally invasive procedures in urology. Thanks to these, we developed a new partial nephrectomy technique without renal pedicle clamping and without ischemia. Renal cancer is now diagnosed at localized stage in most of the cases, and its treatment is mostly based on nephron sparing surgery. However, the hemorrhagic character of this intervention requires a renal pedicle clamping whose long-term consequences on renal function are discussed...
August 31, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28846951/unstable-thoracic-spine-fracture-with-aortic-encroachment-a-potentially-fatal-association-and-a-suggested-treatment
#13
Francesco Cultrera, Emiliano Gamberini, Gustavo Iacono, Giorgio Ubaldo Turicchia, Vanni Agnoletti, Luigino Tosatto
BACKGROUND: The coexistence of an unstable spinal fracture with a pending aortic lesion is potentially catastrophic and a therapeutic challenge as to timing of treatment, assigning priorities and selecting the best approach. CASE REPORT: A 41 year-old healthy male victim of bike accident. Imaging revealed a fracture of 6th and 7th thoracic vertebrae with a bone fragment in close proximity to the descending thoracic aorta. After consultation with spine/vascular surgeons and interventional radiologists it was decided to secure the potential aortic injury with an endovascular stent-graft followed by posterior vertebral instrumentation for fracture's reduction...
August 18, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28843759/hybrid-technique-for-the-treatment-of-refractory-vertebrobasilar-insufficiencies
#14
Xia Lu, Yan Ma, Bin Yang, Peng Gao, Yabing Wang, Liqun Jiao
BACKGROUND: Tortuous or occluded vertebral arteries (VAs) can lead to the endovascular treatment of vertebrobasilar insufficiency being impractical. Bypass surgery is optional, but a craniotomy of the posterior fossa is complicated when physiological vessels must be abandoned. We report 3 cases of refractory vertebrobasilar insufficiencies with different situations of unavailable approaches. Patients were treated by different hybrid operation strategies. CASE DESCRIPTION: Case 1 was of right vertebral artery ostium (VAO) severe stenosis with right V1 segment tortuosity and was treated by right VAO transposition, during which the proximal subclavian artery (SubA) was blocked by a balloon guide catheter...
August 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28843619/pilot-investigation-into-the-use-of-an-anthropomorphic-breast-sonography-phantom-as-a-training-and-assessment-tool
#15
Jacinta E Browne, Louise M Cannon, Ronan McDermott, Max Ryan, Andrew J Fagan
A device for the training and quantitative assessment of the competency of trainee radiologists in the technically challenging area of breast sonography was developed and evaluated. Currently, suitable commercially available devices are lacking, and there is a growing realization that the reliance on direct exposure to patients for learning may not represent best practice from either the trainees' or patients' perspective. Three devices (PI, PII and PIII) were designed to produce very realistic sonographic images of breast morphology with a range of embedded pathologies...
August 23, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28843590/expanding-the-borders-image-guided-procedures-for-the-treatment-of-musculoskeletal-tumors
#16
J Garnon, G Koch, J Caudrelier, G Tsoumakidou, R L Cazzato, A Gangi
Interventional radiology has revolutionized the local management of bone tumours, offering new minimal invasive alternatives to surgery and radiotherapy. Its role has continuously increased over the past years for the treatment of benign tumors and also of some malignant ones, especially in palliative situations. The development of protective techniques and new ablative technologies, such as cryoablation, contributes to expand the role of the interventional radiologist to new fields of applications in musculoskeletal oncology...
September 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28838922/hepatic-artery-aneurysm-an-unusual-cause-of-upper-gastrointestinal-bleed
#17
Madeleine Frank, Rosemary Phillips, Zaid Aldin, Deb Ghosh
An 86-year-old woman presented to hospital with melaena. This was her third presentation with the same symptom. There was no obvious source of bleeding on her oesophagogastroduodenoscopy; however, it did show a previously clipped Dieulafoy lesion. CT angiography showed an aneurysm arising from the hepatic artery. Selective coeliac artery angiogram showed aneurysmal dilatation of the distal part of the coeliac trunk and confirmed the presence of the common hepatic artery aneurysm. The aneurysm was coiled by the interventional radiologist...
August 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28836506/unintended-and-accidental-medical-radiation-exposures-in-radiology-guidelines-on-investigation-and-prevention
#18
Colin J Martin, J Vassileva, Eliseo Vano, M Mahesh, Steve Ebdon-Jackson, K Ng, Donald P Frush, R Loose, John Damilakis
This paper sets out guidelines for managing radiation exposure incidents involving patients in diagnostic and interventional radiology. The work is based on collation of experiences from representatives of international and national organizations for radiologists, medical physicists, radiographers, regulators, and equipment manufacturers, derived from an International Atomic Energy Agency Technical Meeting. More serious overexposures can result in skin doses high enough to produce tissue reactions, in interventional procedures and computed tomography, most notably from perfusion studies...
August 24, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28834967/strategies-in-interventional-radiology-formation-of-an-interdisciplinary-center-of-vascular-anomalies-chances-and-challenges-for-effective-and-efficient-patient-management
#19
Maliha Sadick, Franz Josef Dally, Stefan O Schönberg, Christian Stroszczynski, Walter A Wohlgemuth
Background Radiology is an interdisciplinary field dedicated to the diagnosis and treatment of numerous diseases and is involved in the development of multimodal treatment concepts. Method Interdisciplinary case management, a broad spectrum of diagnostic imaging facilities and dedicated endovascular radiological treatment options are valuable tools that allow radiology to set up an interdisciplinary center for vascular anomalies. Results Image-based diagnosis combined with endovascular treatment options is an essential tool for the treatment of patients with highly complex vascular diseases...
October 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28833864/integrating-anatomy-radiology-pathology-and-surgery-an-alternative-approach-in-resecting-multifocal-and-multicentric-breast-carcinoma
#20
Mona P Tan, Eugene M Ong, Dominique Amy, Tibor Tot
The sick lobe hypothesis provides the basis for a lobar approach in radiology, pathology, and surgical treatment of breast cancer. This approach aims to remove the tumor together with the surrounding field of genetic aberrations. Detailed preoperative lobar imaging that properly maps the disease and assesses its extent guides the parenchymal resection. Integration of our knowledge of breast anatomy and pathology with the results of preoperative radiological mapping is critical in assessing the eligibility of patients with multifocal and/or multicentric breast cancer for breast conservation treatment...
August 22, 2017: Breast Journal
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