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Interventional neuroradiology

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https://www.readbyqxmd.com/read/28335662/performance-of-computed-tomography-angiography-to-determine-anterograde-and-collateral-blood-flow-status-in-patients-with-symptomatic-middle-cerebral-artery-stenosis
#1
Baixue Jia, David S Liebeskind, Ligang Song, Xiaotong Xu, Xuan Sun, Lian Liu, Bo Wang, Zhongrong Miao
Background The purpose of this study was to determine the performance of computed tomography angiography (CTA) by using a scoring system to predict anterograde and collateral blood flow status in patients with symptomatic middle cerebral artery (MCA) stenosis with use of conventional angiography as standard reference. Methods We retrospectively identified all consecutive patients with unilateral symptomatic MCA stenosis in our center who underwent conventional angiography and CTA within 1 month. The anterograde and collateral blood flow (AnCo) scoring system consisted of anterograde score (AnS) and collateral score (CoS)...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28335057/white-paper-curriculum-in-interventional-radiology
#2
Andreas H Mahnken, Arno Bücker, Christian Hohl, Ansgar Berlis
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...
April 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28332016/radiology-research-in-mainland-china-in-the-past-10-years-a-survey-of-original-articles-published-in-radiology-and-european-radiology
#3
Long Jiang Zhang, Yun Fei Wang, Zhen Lu Yang, U Joseph Schoepf, Jiaqian Xu, Guang Ming Lu, Enzhong Li
PURPOSE: To evaluate the features and trends of Radiology research in Mainland China through bibliometric analysis of the original articles published in Radiology and European Radiology (ER) between 2006 and 2015. MATERIALS AND METHODS: We reviewed the original articles published in Radiology and ER between 2006 and 2015. The following information was abstracted: imaging subspecialty, imaging technique(s) used, research type, sample size, study design, statistical analysis, study results, funding declarations, international collaborations, number of authors, department and province of the first author...
March 22, 2017: European Radiology
https://www.readbyqxmd.com/read/28316863/summary-of-12th-asian-australasian-federation-of-interventional-and-therapeutic-neuroradiology-aafitn-2016
#4
EDITORIAL
Prijo Sidipratomo, Cindy Sadikin
No abstract text is available yet for this article.
March 2017: Neurointervention
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/28289939/patient-dose-in-interventional-radiology-a-multicentre-study-of-the-most-frequent-procedures-in-france
#6
Cécile Etard, Emeline Bigand, Cécile Salvat, Vincent Vidal, Jean Paul Beregi, Amaury Hornbeck, Joël Greffier
OBJECTIVES: 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. METHODS: 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...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28241749/development-and-validation-of-a-score-for-evaluating-comprehensive-stroke-care-capabilities-j-aspect-study
#7
Akiko Kada, Kunihiro Nishimura, Jyoji Nakagawara, Kuniaki Ogasawara, Junichi Ono, Yoshiaki Shiokawa, Toru Aruga, Shigeru Miyachi, Izumi Nagata, Kazunori Toyoda, Shinya Matsuda, Akifumi Suzuki, Hiroharu Kataoka, Fumiaki Nakamura, Satoru Kamitani, Koji Iihara
BACKGROUND: Although the Brain Attack Coalition recommended establishing centers of comprehensive care for stroke and cerebrovascular disease patients, a scoring system for such centers was lacking. We created and validated a comprehensive stroke center (CSC) score, adapted to Japanese circumstances. METHODS: Of the selected 1369 certified training institutions in Japan, 749 completed an acute stroke care capabilities survey. Hospital performance was determined using a 25-item score, evaluating 5 subcategories: personnel, diagnostic techniques, specific expertise, infrastructure, and education...
February 28, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28173576/book-review-neurovascular-anatomy-in-interventional-neuroradiology-a-case-based-approach
#8
Jonathan A Grossberg
No abstract text is available yet for this article.
June 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28120179/comparison-of-gesture-and-conventional-interaction-techniques-for-interventional-neuroradiology
#9
Julian Hettig, Patrick Saalfeld, Maria Luz, Mathias Becker, Martin Skalej, Christian Hansen
PURPOSE: Interaction with radiological image data and volume renderings within a sterile environment is a challenging task. Clinically established methods such as joystick control and task delegation can be time-consuming and error-prone and interrupt the workflow. New touchless input modalities may have the potential to overcome these limitations, but their value compared to established methods is unclear. METHODS: We present a comparative evaluation to analyze the value of two gesture input modalities (Myo Gesture Control Armband and Leap Motion Controller) versus two clinically established methods (task delegation and joystick control)...
January 24, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28118149/assessment-of-the-occupational-eye-lens-dose-for-clinical-staff-in-interventional-radiology-cardiology-and-neuroradiology
#10
Artur Omar, Nils Kadesjö, Charlotta Palmgren, Maria Marteinsdottir, Tony Segerdahl, Annette Fransson
In accordance with recommendations by the International Commission on Radiological Protection, the current European Basic Safety Standards has adopted a reduced occupational eye lens dose limit of 20 mSv yr(-1). The radiation safety implications of this dose limit is of concern for clinical staff that work with relatively high dose x-ray angiography and interventional radiology. Presented in this work is a thorough assessment of the occupational eye lens dose based on clinical measurements with active personal dosimeters worn by staff during various types of procedures in interventional radiology, cardiology and neuroradiology...
March 20, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28103265/rabbit-model-of-human-gliomas-implications-for-intra-arterial-drug-delivery
#11
Huamin Qin, Miroslaw Janowski, Monica S Pearl, Izabela Malysz-Cymborska, Shen Li, Charles G Eberhart, Piotr Walczak
The prognosis for malignant brain tumors remains poor despite a combination of surgery, radiotherapy, and chemotherapy. This is partly due to the blood-brain barrier, a major obstacle that prevents therapeutic agents from effectively reaching the tumor. We have recently developed a method for precise and predictable opening of the blood-brain barrier via the intra-arterial administration of mannitol, a hyperosmolar agent, in a rabbit model, whose vascular anatomy facilitates the use of standard interventional neuroradiology techniques and devices...
2017: PloS One
https://www.readbyqxmd.com/read/28049559/workflow-dynamics-and-the-imaging-value-chain-quantifying-the-effect-of-designating-a-nonimage-interpretive-task-workflow
#12
Matthew H Lee, Andrew J Schemmel, B Dustin Pooler, Taylor Hanley, Tabassum A Kennedy, Aaron S Field, Douglas Wiegmann, John-Paul J Yu
PURPOSE: To assess the impact of separate non-image interpretive task and image-interpretive task workflows in an academic neuroradiology practice. MATERIALS AND METHODS: A prospective, randomized, observational investigation of a centralized academic neuroradiology reading room was performed. The primary reading room fellow was observed over a one-month period using a time-and-motion methodology, recording frequency and duration of tasks performed. Tasks were categorized into separate image interpretive and non-image interpretive workflows...
November 15, 2016: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28047706/su-d-209-03-radiation-dose-reduction-using-real-time-image-processing-in-interventional-radiology
#13
K Kanal, J Moirano, D Zamora, B Stewart
PURPOSE: To characterize changes in radiation dose after introducing a new real-time image processing technology in interventional radiology systems. METHODS: Interventional radiology (IR) procedures are increasingly complex, at times requiring substantial time and radiation dose. The risk of inducing tissue reactions as well as long-term stochastic effects such as radiation-induced cancer is not trivial. To reduce this risk, IR systems are increasingly equipped with dose reduction technologies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27913819/erratum-to-38-th-european-society-of-neuroradiology-diagnostic-and-interventional-annual-meeting
#14
Guido Wilms, Majda Thurnher
No abstract text is available yet for this article.
December 2016: Neuroradiology
https://www.readbyqxmd.com/read/27832617/-rapid-progression-in-early-stage-primary-glioblastoma-multiforme-a-case-report
#15
Naoki Maehara, Toshiyuki Amano, Sei Haga, Kosuke Makihara, Takafumi Shimogawa, Ryusuke Hatae, Koji Yoshimoto, Satoshi Suzuki, Takato Morioka, Koji Iihara
The signs and features of early-stage primary glioblastoma multiforme(GBM)are not well-characterized. Here, we report a case of GBM that was presented at an early stage and showed extremely rapid progression within a short period. A 63-year-old woman was incidentally revealed to have a tiny lesion in her right parietal lobe. Magnetic resonance imaging(MRI)showed a hyperintense signal on T2WI, with a ring-enhancement on gadolinium(Gd)-enhanced T1WI. Two weeks later, she was admitted to our hospital for neurosurgical intervention;the MRI at that time showed rapid tumor growth, immediately followed by progressive neurological deterioration...
November 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27788384/blood-vessel-modeling-for-interactive-simulation-of-interventional-neuroradiology-procedures
#16
E Kerrien, A Yureidini, J Dequidt, C Duriez, R Anxionnat, S Cotin
Endovascular interventions can benefit from interactive simulation in their training phase but also during pre-operative and intra-operative phases if simulation scenarios are based on patient data. A key feature in this context is the ability to extract, from patient images, models of blood vessels that impede neither the realism nor the performance of simulation. This paper addresses both the segmentation and reconstruction of the vasculature from 3D Rotational Angiography data, and adapted to simulation: An original tracking algorithm is proposed to segment the vessel tree while filtering points extracted at the vessel surface in the vicinity of each point on the centerline; then an automatic procedure is described to reconstruct each local unstructured point set as a skeleton-based implicit surface (blobby model)...
October 14, 2016: Medical Image Analysis
https://www.readbyqxmd.com/read/27769823/radiology-workflow-dynamics-how-workflow-patterns-impact-radiologist-perceptions-of-workplace-satisfaction
#17
Matthew H Lee, Andrew J Schemmel, B Dustin Pooler, Taylor Hanley, Tabassum Kennedy, Aaron Field, Douglas Wiegmann, John-Paul J Yu
RATIONALE AND OBJECTIVES: The study aimed to assess perceptions of reading room workflow and the impact separating image-interpretive and nonimage-interpretive task workflows can have on radiologist perceptions of workplace disruptions, workload, and overall satisfaction. MATERIALS AND METHODS: A 14-question survey instrument was developed to measure radiologist perceptions of workplace interruptions, satisfaction, and workload prior to and following implementation of separate image-interpretive and nonimage-interpretive reading room workflows...
October 18, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27767958/noncavernous-arteriovenous-shunts-mimicking-carotid-cavernous-fistulae
#18
Chai Kobkitsuksakul, Pakorn Jiarakongmun, Ekachat Chanthanaphak, Sirintara Pongpech
PURPOSE: The classic symptoms and signs of carotid cavernous sinus fistula or cavernous sinus dural arteriovenous fistula (AVF) consist of eye redness, exophthalmos, and gaze abnormality. The angiography findings typically consist of arteriovenous shunt at cavernous sinus with ophthalmic venous drainage with or without cortical venous reflux. In rare circumstances, the shunts are localized outside the cavernous sinus, but mimic symptoms and radiography of the cavernous shunt. We would like to present the other locations of the arteriovenous shunt, which mimic the clinical presentation of carotid cavernous fistulae, and analyze venous drainages...
November 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27765622/guidelines-of-the-french-society-of-otorhinolaryngology-sforl-second-line-treatment-of-epistaxis-in-adults
#19
B Verillaud, L Robard, J Michel, V Pruliere Escabasse, E Béquignon, L Crampette, O Malard
OBJECTIVES: The authors present the guidelines of the French Oto-Rhino-Laryngology - Head and Neck Surgery Society (Société Française d'Oto-Rhino-Laryngologie et de Chirurgie de la Face et du Cou: SFORL) on second-line treatment of epistaxis in adults, after failure of anterior and/or anterior-posterior nasal packing. METHODS: A multidisciplinary work group was entrusted with a review of the scientific literature on the above topic. Guidelines were drawn up, based on the articles retrieved and the group members' individual experience...
October 17, 2016: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/27757518/the-european-neuroradiology-awards-in-diagnostic-and-interventional-neuroradiology-and-the-lucien-appel-prize-of-the-esnr-2016
#20
(no author information available yet)
No abstract text is available yet for this article.
October 2016: Neuroradiology
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