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Interventional neuroradiologist

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https://www.readbyqxmd.com/read/28259513/harnessing-neuroimaging-capability-in-pediatric-stroke-proceedings-of-the-stroke-imaging-laboratory-for-children%C3%A2-workshop
#1
REVIEW
Nomazulu Dlamini, Max Wintermark, Heather Fullerton, Stephen Strother, Wayne Lee, Bruce Bjornson, Kristin P Guilliams, Steven Miller, Adam Kirton, Christopher G Filippi, Alexandra Linds, Rand Askalan, Gabrielle deVeber
On June 5, 2015 the International Pediatric Stroke Study and the Stroke Imaging Laboratory for Children cohosted a unique workshop focused on developing neuroimaging research in pediatric stroke. Pediatric neurologists, neuroradiologists, interventional neuroradiologists, physicists, nurse practitioners, neuropsychologists, and imaging research scientists from around the world attended this one-day meeting. Our objectives were to (1) establish a group of experts to collaborate in advancing pediatric neuroimaging for stroke, (2) develop consensus clinical and research magnetic resonance imaging protocols for pediatric stroke patients, and (3) develop imaging-based research strategies in pediatric ischemic stroke...
January 25, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28183836/low-dose-ct-for-craniosynostosis-preserving-diagnostic-benefit-with-substantial-radiation-dose-reduction
#2
J C Montoya, L J Eckel, D R DeLone, A L Kotsenas, F E Diehn, L Yu, A C Bartley, R E Carter, C H McCollough, J G Fletcher
BACKGROUND AND PURPOSE: Given the positive impact of early intervention for craniosynostosis, CT is often performed for evaluation but radiation dosage remains a concern. We evaluated the potential for substantial radiation dose reduction in pediatric patients with suspected craniosynostosis. MATERIALS AND METHODS: CT projection data from pediatric patients undergoing head CT for suspected craniosynostosis were archived. Simulated lower-dose CT images corresponding to 25%, 10%, and 2% of the applied dose were created using a validated method...
February 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28120064/giant-basilar-artery-aneurysm-involving-the-origin-of-bilateral-posterior-cerebral-and-superior-cerebellar-arteries-neck-reconstruction-with-pconus-assisted-coiling
#3
Francesco Signorelli, Carmelo Lucio Sturiale, Giuseppe La Rocca, Alessio Albanese, Francesco D'Argento, Pierpaolo Mattogno, Alfredo Puca, Massimiliano Visocchi, Enrico Marchese, Alessandro Pedicelli
Giant aneurysms of the basilar artery are rare and are frequently associated with obstructive hydrocephalus and brainstem compression. Treatment still remains a challenge both for neurosurgeons and for interventional neuroradiologists. Cases reported in the literature are anecdotal and, overall, their outcomes are poor. We present the case of a patient with a giant aneurysm of the basilar artery tip, involving the origin of both the posterior cerebral and superior cerebellar arteries, who underwent coiling and ventriculoperitoneal shunting for associated obstructive hydrocephalus...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28118025/interrater-variability-for-ct-angiography-evaluation-between-neurologists-and-neuroradiologist-in-acute-stroke-patients
#4
Michal Bar, Jiri Kral, Tomas Jonszta, Vaclav Marcian, Martin Kuliha, Robert Mikulik
OBJECTIVE: The diagnosis of arterial occlusion has a considerable impact on the indication of mechanical thrombectomy, and CT angiography (CTA) is recommended in the management of acute stroke. The goal of the present study is to assess the interrater agreement in the diagnosis of occlusion of intracranial arteries on CTA between a neuroradiologist and neurologists. METHODS: CTA images of 75 acute stroke patients were evaluated for occlusion of intracranial arteries by an experienced interventional neuroradiologist, and stroke and general neurologists...
March 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28002169/fluoroscopic-guided-lumbar-spinal-drain-insertion-for-thoracic-aortic-aneurysm-surgery
#5
Hamdy Awad, Mohamed Ehab Ramadan, Esmerina Tili, Kathryn Hackett, Eric C Bourekas
We retrospectively reviewed the medical records of 11 patients who were referred by anesthesiologists to an interventional neuroradiologist for fluoroscopy-guided lumbar spinal drain insertion for thoracic aortic aneurysm repair between January 2010 and June 2015. Successful drain insertion was achieved in all patients. Three (27.3%) patients developed drain-related complications. Fluoroscopy-guided spinal drain insertion is an alternative to the conventional, nonimage-guided, blind technique used by anesthesiologists when they expect to encounter difficulty with insertion or in cases of failed insertion...
December 19, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28000558/coarse-classification-to-region-scalable-refining-for-white-matter-lesions-segmentation-in-multi-channel-mri
#6
Renping Yu, Liang Xiao, Zhihui Wei
Brain lesions, especially White Matter Lesions (WMLs) that mostly found on magnetic resonance images of elderly people, are not only associated with normal aging, but also with various geriatric disorders including cardiovascular diseases, vascular disease, psychiatric disorders and dementia. Quantitative analysis of WMLs in large clinical trials is crucial in scientific investigations of such neurological diseases as well as in studying aging processes. Exploiting the different appearances of WMLs in multiple modalities, we propose a novel coarse classification to region-scalable refining method to segment WMLs in Magnetic Resonance Imaging (MRI) sequences without user intervention...
December 20, 2016: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/27998955/latest-generation-of-flat-detector-ct-as-a-peri-interventional-diagnostic-tool-a-comparative-study-with-multidetector-ct
#7
Johanna Rosemarie Leyhe, Ioannis Tsogkas, Amélie Carolina Hesse, Daniel Behme, Katharina Schregel, Ismini Papageorgiou, Jan Liman, Michael Knauth, Marios-Nikos Psychogios
BACKGROUND AND PURPOSE: Flat detector CT (FDCT) has been used as a peri-interventional diagnostic tool in numerous studies with mixed results regarding image quality and detection of intracranial lesions. We compared the diagnostic aspects of the latest generation FDCT with standard multidetector CT (MDCT). MATERIALS AND METHODS: 102 patients were included in our retrospective study. All patients had undergone interventional procedures. FDCT was acquired peri-interventionally and compared with postinterventional MDCT regarding depiction of ventricular/subarachnoidal spaces, detection of intracranial hemorrhage, and delineation of ischemic lesions using an ordinal scale...
December 20, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27920283/what-can-we-do-for-people-with-drug-resistant-epilepsy-the-2016-wartenberg-lecture
#8
Jerome Engel
Treatment goals for epilepsy are no seizures, no side effects, as soon as possible, but these goals are too often unmet. Approximately 1 million people in the United States continue to have seizures despite adequate treatment with antiseizure drugs, representing 40% of those with epilepsy, and 80% of the cost of epilepsy. Drug-resistant epilepsy (DRE) can be associated with developmental delay in infants and young children, and severe disability and morbidity in older children and adults, as well as a mortality rate 5-10 times that of the general population...
December 6, 2016: Neurology
https://www.readbyqxmd.com/read/27895242/availability-of-endovascular-therapies-for-cerebrovascular-disease-at-primary-stroke-centers
#9
Mark J Alberts, Jean Range, William Spencer, Vicki Cantwell, M J Hampel
Background Endovascular therapies (EVTs) are useful for treating cerebrovascular disease. There are few data about the availability of such services at primary stroke centers (PSCs). Our hypothesis was that some of these services may be available at some PSCs. Methods We conducted an internet-based survey of hospitals certified as PSCs by the Joint Commission. The survey inquired about EVTs such as intra-arterial (IA) lytics, IA mechanical clot removal, coiling of aneurysms, and cervical arterial stenting, physician training, coverage models, hospital type, and outcomes...
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27844157/stent-assisted-coiling-embolization-of-tiny-wide-necked-intracranial-aneurysms
#10
Yongtao Zheng, Yanbing Song, Dajun Liu, Yingjun Liu, Qiang Xu, Yanlong Tian, Bing Leng
BACKGROUND: Tiny, wide-necked intracranial aneurysms pose a significant therapeutic challenge for interventional neuroradiologists because of the small volume for microcatheterization and coil stabilization inside the aneurysm sac. We report our preliminary experience of stent-assisted coiling embolization of these aneurysms. METHODS: A total of 50 patients with 52 tiny, wide-necked aneurysms who were treated with stent-assisted coiling from January 2007 to December 2014 were reviewed retrospectively...
January 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27823937/orbital-blowout-fractures-a-novel-ct-measurement-that-can-predict-the-likelihood-of-surgical-management
#11
Tamer N Mansour, Megan Rudolph, Derek Brown, Natalie Mansour, M Reza Taheri
OBJECTIVE: The purpose of this study is to identify an accurate and reliable computed tomographic (CT) measurement that can identify those patients presenting to the emergency department (ED) with orbital floor fracture (BOF) who require surgical repair to prevent ensuing visually debilitating diplopia and/or enophthalmos. METHODS: In this retrospective institutional review board-approved study, we reviewed 99 patients older than 18 years with orbital fractures treated in a level I trauma center from 2011 through 2015...
January 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27815377/endovascular-recanalization-of-the-common-carotid-artery-in-a-patient-with-radio-induced-chronic-occlusion
#12
Lorena Nico, Giacomo Cester, Federica Viaro, Claudio Baracchini, Francesco Causin
Recanalization of chronic occlusion of the common carotid artery (CCA) in patients with a history of neck irradiation is challenging, both for vascular surgeons and interventional neuroradiologists. We describe a case of successful stenting of radio induced chronic occlusion of the right CCA in a 41-year-old patient with neurological deterioration and minor stroke due to cerebral hypoperfusion caused by concomitant bilateral arterial occlusions. Direct surgery and surgical bypass were considered contraindicated...
November 4, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27815339/should-future-interventional-neuroradiologists-be-screened-for-mutations-that-impair-radiation-induced-dna-repair
#13
Kieran Murphy, Adam Thakore, Marie Constance Lacasse, Danyal Z Khan
In our current medical practice, an increasing number of specialists now have access to radiology technical platforms in order to perform imaging-guided procedures. Although knowledge about the current guidelines and radiation protection devices is a pre-requisite for the use of radiation, the preventive measures are often more or less strictly followed, leading to chronic daily exposure to significant doses of radiation and large accumulated lifetime exposures. Aortic intervention, electrophysiology, and neuro intervention in particular can result in large doses to the operators...
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27803080/endovascular-recanalization-of-the-common-carotid-artery-in-a-patient-with-radio-induced-chronic-occlusion
#14
Lorena Nico, Giacomo Cester, Federica Viaro, Claudio Baracchini, Francesco Causin
Recanalization of chronic occlusion of the common carotid artery (CCA) in patients with a history of neck irradiation is challenging, both for vascular surgeons and interventional neuroradiologists. We describe a case of successful stenting of radio induced chronic occlusion of the right CCA in a 41-year-old patient with neurological deterioration and minor stroke due to cerebral hypoperfusion caused by concomitant bilateral arterial occlusions. Direct surgery and surgical bypass were considered contraindicated...
November 1, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27777297/surgical-management-of-infective-endocarditis-complicated-by-embolic-stroke-practical-recommendations-for-clinicians
#15
Bobby Yanagawa, Gosta B Pettersson, Gilbert Habib, Marc Ruel, Gustavo Saposnik, David A Latter, Subodh Verma
There has been an overall improvement in surgical mortality for patients with infective endocarditis (IE), presumably because of improved diagnosis and management, centered around a more aggressive early surgical approach. Surgery is currently performed in approximately half of all cases of IE. Improved survival in surgery-treated patients is correlated with a reduction in heart failure and the prevention of embolic sequelae. It is reported that between 20% and 40% of patients with IE present with stroke or other neurological conditions...
October 25, 2016: Circulation
https://www.readbyqxmd.com/read/27769823/radiology-workflow-dynamics-how-workflow-patterns-impact-radiologist-perceptions-of-workplace-satisfaction
#16
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/27765622/guidelines-of-the-french-society-of-otorhinolaryngology-sforl-second-line-treatment-of-epistaxis-in-adults
#17
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/27658980/leukoencephalopathy-and-long-term-neurobehavioural-neurocognitive-and-brain-imaging-outcomes-in-survivors-of-childhood-acute-lymphoblastic-leukaemia-treated-with-chemotherapy-a-longitudinal-analysis
#18
Yin Ting Cheung, Noah D Sabin, Wilburn E Reddick, Deepa Bhojwani, Wei Liu, Tara M Brinkman, John O Glass, Scott N Hwang, Deokumar Srivastava, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Leukoencephalopathy is observed in some children undergoing chemotherapy for acute lymphoblastic leukaemia, although its effects on long-term outcomes is unknown. This study examines the associations between acute leukoencephalopathy and neurobehavioural, neurocognitive, and brain white matter imaging outcomes in long-term survivors of childhood acute lymphoblastic leukaemia treated with chemotherapy without cranial radiation. METHODS: In this longitudinal analysis, we used data of children with acute lymphoblastic leukaemia at St Jude Children's Research Hospital (Memphis, TN, USA) who had been treated between June 1, 2000, and Oct 31, 2010...
October 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27565471/interobserver-agreement-on-arteriovenous-malformation-diffuseness-using-digital-subtraction-angiography
#19
Maria Braileanu, Wuyang Yang, Justin M Caplan, Li-Mei Lin, Martin G Radvany, Rafael J Tamargo, Judy Huang
BACKGROUND: Arteriovenous malformation (AVM) diffuseness has been shown to be prognostic of treatment outcomes. We assessed interobserver agreement of AVM diffuseness among physicians of different specialty and training backgrounds using digital subtraction angiography (DSA). METHODS: All research protocols were approved by the institutional review board for this retrospective chart review. In a single-blinded setting, 2 attending neurosurgeons, 1 attending interventional neuroradiologist, and 1 senior neurosurgical resident rated 80 DSA views of 36 AVMs as either compact or diffuse...
November 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27502576/endovascular-treatment-of-intracranial-aneurysms-with-barricade-coils-feasibility-procedural-safety-and-immediate-postoperative-anatomical-results
#20
Mohamed Zidan, Matthias Gawlitza, Georgios Metaxas, Cédric Foussier, Sébastien Soize, Laurent Pierot
BACKGROUND AND PURPOSE: The safety of bare platinum coils has been widely described in the literature. This study aimed to report the first series of intracranial aneurysms treated with Barricade bare platinum coils with a comprehensive evaluation of their procedural safety and postprocedural anatomical results. METHODS: Patients with intracranial aneurysms treated between October 2013 and December 2015 by simple coiling or balloon-assisted coiling with Barricade coils (Blockade Medical, Irvine, California, USA) were prospectively included in a database and retrospectively studied...
October 2016: Journal of Neuroradiology. Journal de Neuroradiologie
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