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Interventional neuroradiologist

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https://www.readbyqxmd.com/read/27920283/what-can-we-do-for-people-with-drug-resistant-epilepsy-the-2016-wartenberg-lecture
#1
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
#2
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...
November 28, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27844157/stent-assisted-coiling-embolization-of-tiny-wide-necked-intracranial-aneurysms
#3
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...
November 14, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27823937/orbital-blowout-fractures-a-novel-computed-tomographic-measurement-that-can-predict-the-likelihood-of-surgical-management
#4
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...
October 14, 2016: 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
#5
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
#6
REVIEW
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...
November 4, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27803080/endovascular-recanalization-of-the-common-carotid-artery-in-a-patient-with-radio-induced-chronic-occlusion
#7
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
#8
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
#9
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
#10
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
#11
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/inter-observer-agreement-of-arteriovenous-malformation-diffuseness-using-digital-subtraction-angiography
#12
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 inter-observer 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. Two attending neurosurgeons, one attending interventional neuroradiologist, and one senior neurosurgical resident rated 80 DSA views of 36 AVMs as either compact or diffuse in a single-blinded setting...
August 23, 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
#13
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
https://www.readbyqxmd.com/read/27177874/psychological-comorbidities-and-compliance-to-interventional-treatment-of-patients-with-cutaneous-vascular-malformations
#14
Stephanie A Kenny, Nevin Majeed, Naista Zhand, Rafael Glikstein, Ronit Agid, Marlise P Dos Santos
PURPOSE: The aim of this study was to assess qualitatively the psychological stressors affecting patients with cutaneous vascular malformations and hemangiomas (CVM-H) and their impact on compliance to interventional treatment. METHODS: A retrospective chart review was conducted of all patients with CVM-H treated by interventional neuroradiology at a single academic institution during a five-year period (2009-2014). Psychological complaints were documented during each clinic visit by a neuroradiologist...
August 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27058455/endovascular-management-of-a-vein-of-galen-aneurysmal-malformation-in-an-infant-with-challenging-femoral-arterial-access
#15
Bharathi D Jagadeesan, Haralabos Zacharatos, David R Nascene, Andrew W Grande, Daniel J Guillaume, Ramachandra P Tummala
A 5-month-old infant was to be treated with elective transarterial embolization for a vein of Galen aneurysmal malformation (VGAM). A team of endovascular surgical neuroradiologists, pediatric interventional radiologists, and pediatric cardiologists attempted conventional femoral arterial access, which was unsuccessful given the small caliber of the femoral arteries and superimposed severe vasospasm. Thereafter, eventual arterial access was achieved by navigating from the venous to the arterial system across the patent foramen ovale following a right femoral venous access...
August 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/26848840/quantitative-evaluation-of-performance-in-interventional-neuroradiology-an-integrated-curriculum-featuring-theoretical-and-practical-challenges
#16
Marielle Ernst, Levente Kriston, Javier M Romero, Andreas M Frölich, Olav Jansen, Jens Fiehler, Jan-Hendrik Buhk
PURPOSE: We sought to develop a standardized curriculum capable of assessing key competencies in Interventional Neuroradiology by the use of models and simulators in an objective, quantitative, and efficient way. In this evaluation we analyzed the associations between the practical experience, theoretical knowledge, and the skills lab performance of interventionalists. MATERIALS AND METHODS: We evaluated the endovascular skills of 26 participants of the Advanced Course in Endovascular Interventional Neuroradiology of the European Society of Neuroradiology with a set of three tasks (aneurysm coiling and thrombectomy in a virtual simulator and placement of an intra-aneurysmal flow disruptor in a flow model)...
2016: PloS One
https://www.readbyqxmd.com/read/26842605/the-importance-of-protection-glasses-during-neuroangiographies-a-study-on-radiation-exposure-at-the-lens-of-the-primary-operator
#17
J B Tavares, E Sacadura-Leite, T Matoso, L L Neto, L Biscoito, J Campos, A Sousa-Uva
BACKGROUND: In interventional neuroradiology, few operators routinely use radiation protection glasses. Moreover, in most centers, radiation dose data only accounts for whole body dose without specific information on lens dose. In 2012, the International Commission on Radiological Protection advised that the threshold limit value for the lens should be 20 mSv/year instead of the previous 150 mSv/year limit. The purpose of this study was to compare the radiation dose in the operator's lens during real diagnostic and interventional neuroangiographies, either using or without lead protection glasses...
June 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/26736349/symbolic-representation-of-brain-vascular-network-with-arteriovenous-malformations-from-3dra-images
#18
Fan Li, Olena Tankyevych, Yasmina Chenoune, Raphael Blanc, Eric Petit
Vascular imaging is crucial in the treatment of many diseases. In the case of cerebral ArterioVenous Malformation (AVM), where the vascular network can be deeply altered, an accurate knowledge of its topology is required. For this purpose, after a vessels segmentation and skeletization applied on 3D rotational angiographic images (3DRA), we build a symbolic tree representation of the vascular network thanks to topological descriptors, such as end points, junctions and branches. This leads to an efficient tool to assist the neuroradiologist to understand the feeding and the draining of the AVM and to apprehend its complex architecture in order to determine the best therapeutic strategy before and during embolization interventions...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/26733126/-clip-first-policy-in-management-of-intracranial-mca-aneurysms-single-centre-experience-with-a-systematic-review-of-literature
#19
REVIEW
Anna Steklacova, Ondrej Bradac, Frantisek Charvat, Patricia De Lacy, Vladimir Benes
BACKGROUND: The results of microsurgical treatment for middle cerebral artery (MCA) aneurysms (ANs) have been highly satisfying for decades, notoriously posing a challenge for interventional neuroradiologists. Following the International Subarachnoid Aneurysm Trial (ISAT) study results, most centres across Europe and the USA switched to a "coil first" policy. The purpose of this study is to evaluate and critically review the substantiation of this change. METHODS: The authors conducted a single-institution retrospective study of MCA AN treatment between January 2000 and December 2013 maintaining a "clip first" policy...
March 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/26693397/relating-multi-sequence-longitudinal-intensity-profiles-and-clinical-covariates-in-incident-multiple-sclerosis-lesions
#20
Elizabeth M Sweeney, Russell T Shinohara, Blake E Dewey, Matthew K Schindler, John Muschelli, Daniel S Reich, Ciprian M Crainiceanu, Ani Eloyan
The formation of multiple sclerosis (MS) lesions is a complex process involving inflammation, tissue damage, and tissue repair - all of which are visible on structural magnetic resonance imaging (MRI) and potentially modifiable by pharmacological therapy. In this paper, we introduce two statistical models for relating voxel-level, longitudinal, multi-sequence structural MRI intensities within MS lesions to clinical information and therapeutic interventions: (1) a principal component analysis (PCA) and regression model and (2) function-on-scalar regression models...
2016: NeuroImage: Clinical
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