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Interventional neuroradiology

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https://www.readbyqxmd.com/read/28173576/book-review-neurovascular-anatomy-in-interventional-neuroradiology-a-case-based-approach
#1
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
#2
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
#3
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...
January 24, 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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
(no author information available yet)
No abstract text is available yet for this article.
October 2016: Neuroradiology
https://www.readbyqxmd.com/read/27722828/structural-brain-anomalies-in-healthy-adolescents-in-the-ncanda-cohort-relation-to-neuropsychological-test-performance-sex-and-ethnicity
#14
Edith V Sullivan, Barton Lane, Dongjin Kwon, M J Meloy, Susan F Tapert, Sandra A Brown, Ian M Colrain, Fiona C Baker, Michael D De Bellis, Duncan B Clark, Bonnie J Nagel, Kilian M Pohl, Adolf Pfefferbaum
Structural MRI of volunteers deemed "normal" following clinical interview provides a window into normal brain developmental morphology but also reveals unexpected dysmorphology, commonly known as "incidental findings." Although unanticipated, these anatomical findings raise questions regarding possible treatment that could even ultimately require neurosurgical intervention, which itself carries significant risk but may not be indicated if the anomaly is nonprogressive or of no functional consequence. Neuroradiological readings of 833 structural MRI from the National Consortium on Alcohol and NeuroDevelopment in Adolescence (NCANDA) cohort found an 11...
October 8, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27704247/childhood-acute-basilar-artery-thrombosis-successfully-treated-with-mechanical-thrombectomy-using-stent-retrievers-case-report-and-review-of-the-literature
#15
Giancarlo Nicosia, Domenico Cicala, Giuseppe Mirone, Pietro Spennato, Vincenzo Trischitta, Claudio Ruggiero, Gianluigi Guarneri, Mario Muto, Giuseppe Cinalli
INTRODUCTION: Acute basilar artery occlusion (ABAO) is an infrequent but potentially fatal cause of strokes in both adults and children, and it is usually due to vertebral artery dissection (VAD). VAD has been found to be usually a consequence of traumatic vertebral artery injury. ABAO usually presents with symptoms of acute ischemic stroke (AIS) of the posterior circulation or transient ischemic attack (TIA). It may lead to death or long-term disability if not promptly recanalized. Basilar artery recanalization in children can be achieved safely and with excellent clinical outcome using endovascular thrombectomy with the new generation self-expanding and retrievable stents...
October 4, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27683708/percutaneous-thoracolumbar-decompression-combined-with-percutaneous-pedicle-screw-fixation-and-fusion-a-method-for-treating-spinal-degenerative-pain-in-a-biplane-angiography-suite-with-the-avoidance-of-general-anesthesia
#16
Bohdan W Chopko
BACKGROUND: Spondylytic degeneration of the axial lumbar spine is a major cause of pain and disability. Recent advances in spinal surgical instrumentation, including percutaneous access and fusion techniques, have made possible the performance of instrumented fusion through small incisions. By blending strategies of interventional pain management, neuroradiology, and conventional spine surgery, it is now feasible to treat spinal axial pain using permanent fixation techniques and local anesthesia in the setting of a fluoroscopy suite using mild sedation and local anesthesia...
June 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/27664152/endovascular-treatment-of-thrombosis-and-embolism
#17
Ahmet Yigit Goktay, Cagin Senturk
Deep venous thrombosis (DVT) is a common disorder with a significant mortality rate. Successful endovascular treatment of acute DVT is most likely to be achieved in patients with recently formed thrombus, (<10-14 days) with acute iliofemoral DVT. Endovascular treatment options include: Catheter-directed thrombolysis (CDT), pharmacomechanical catheter-directed thrombolysis (PCDT), percutaneous aspiration thrombectomy (PAT), vena cava filter protection, venous balloon dilatation and venous stent implantation...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27569677/underrepresentation-of-women-and-minorities-in-the-united-states-ir-academic-physician-workforce
#18
Mikhail C S S Higgins, Wei-Ting Hwang, Chase Richard, Christina H Chapman, Angelique Laporte, Stefan Both, Charles R Thomas, Curtiland Deville
PURPOSE: To assess the United States interventional radiology (IR) academic physician workforce diversity and comparative specialties. METHODS: Public registries were used to assess demographic differences among 2012 IR faculty and fellows, diagnostic radiology (DR) faculty and residents, DR subspecialty fellows (pediatric, abdominal, neuroradiology, and musculoskeletal), vascular surgery and interventional cardiology trainees, and 2010 US medical school graduates and US Census using binomial tests with ...
December 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27568006/premm-preterm-early-massage-by-the-mother-protocol-of-a-randomised-controlled-trial-of-massage-therapy-in-very-preterm-infants
#19
Melissa M Lai, Giulia D'Acunto, Andrea Guzzetta, Roslyn N Boyd, Stephen E Rose, Jurgen Fripp, Simon Finnigan, Naoni Ngenda, Penny Love, Koa Whittingham, Kerstin Pannek, Robert S Ware, Paul B Colditz
BACKGROUND: Preterm infants follow an altered neurodevelopmental trajectory compared to their term born peers as a result of the influence of early birth, and the altered environment. Infant massage in the preterm infant has shown positive effects on weight gain and reduced length of hospital stay. There is however, limited current evidence of improved neurodevelopment or improved attachment, maternal mood or anxiety. The aim of this study is to investigate the effects of infant massage performed by the mother in very preterm (VPT) infants...
2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27516097/spontaneous-dissections-of-the-anterior-cerebral-artery-a-meta-analysis-of-the-literature-and-three-recent-cases
#20
Johannes Hensler, Ulf Jensen-Kondering, Stephan Ulmer, Olav Jansen
INTRODUCTION: Spontaneous dissections of intracranial arteries are rare, but important causes of stroke, especially in younger patients. Dissections of the anterior cerebral artery (ACA) have been reported only very rarely in the European and North American populations but might be more prevalent than previously thought. METHODS: This paper describes the presenting pattern of the disease, the clinical and imaging findings, as well as endovascular therapeutical options with respect to a meta-analysis of cases reported in the literature...
October 2016: Neuroradiology
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