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Neurointerventional

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https://www.readbyqxmd.com/read/29449461/neurointerventional-surgery-enlightenment-in-the-ischemic-but-not-the-hemorrhagic-field
#1
Christophe Cognard
No abstract text is available yet for this article.
March 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29449282/a-patient-dose-reduction-technique-for-neuroendovascular-image-guided-interventions-image-quality-comparison-study
#2
A Sonig, S V Setlur Nagesh, V S Fennell, S Gandhi, L Rangel-Castilla, C N Ionita, K V Snyder, L N Hopkins, D R Bednarek, S Rudin, A H Siddiqui, E I Levy
BACKGROUND AND PURPOSE: The ROI-dose-reduced intervention technique represents an extension of ROI fluoroscopy combining x-ray entrance skin dose reduction with spatially different recursive temporal filtering to reduce excessive image noise in the dose-reduced periphery in real-time. The aim of our study was to compare the image quality of simulated neurointerventions with regular and reduced radiation doses using a standard flat panel detector system. MATERIALS AND METHODS: Ten 3D-printed intracranial aneurysm models were generated on the basis of a single patient vasculature derived from intracranial DSA and CTA...
February 15, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29439127/elvo-an-operational-definition
#3
Thabele Leslie-Mazwi, Ronil V Chandra, Blaise W Baxter, Adam S Arthur, Muhammad S Hussain, I Paul Singh, Don F Frei, Richard P Klucznik, Felipe C Albuquerque, Joshua A Hirsch
No abstract text is available yet for this article.
February 8, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29410100/association-between-neurological-outcomes-related-to-aneurysmal-subarachnoid-haemorrhage-and-onsite-access-to-neurointerventional-radiology
#4
Jorge Pena Mogollon, Nicolas Roydon Smoll, Rakshit Panwar
OBJECTIVE: An onsite access to neurointerventional radiology (NIR) may be useful for managing patients with aneurysmal subarachnoid haemorrhage (aSAH) after the aneurysm-securing procedure. We aimed to assess the association between neurological outcomes related to aSAH and onsite access to NIR service. METHODS: This was a sequential period study of 47 patients with aSAH admitted consecutively during the pre-NIR period (Jan 2010 to Jun 2012) compared with 81 patients with aSAH admitted consecutively during the post-NIR period (Jan 2013 to Jun 2015) at an academic tertiary referral ICU...
February 1, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29408777/streamlined-triage-and-transfer-protocols-improve-door-to-puncture-time-for-endovascular-thrombectomy-in-acute-ischemic-stroke
#5
Akash P Kansagra, Adam N Wallace, David R Curfman, James D McEachern, Christopher J Moran, DeWitte T Cross, Jin-Moo Lee, Andria L Ford, S Goyal Manu, Peter D Panagos, Colin P Derdeyn
OBJECTIVE: Shorter time from symptom onset to treatment is associated with improved outcomes in patients who undergo mechanical thrombectomy for treatment of acute ischemic stroke due to emergent large vessel occlusion. In this work, we detail pre-thrombectomy process improvements in a multi-hospital network and report the effect on door-to-puncture time in patients undergoing mechanical thrombectomy. PATIENTS AND METHODS: A streamlined workflow was adopted to minimize door-to-puncture time...
January 30, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29402828/erythrocyte-rich-thrombus-is-associated-with-reduced-number-of-maneuvers-and-procedure-time-in-patients-with-acute-ischemic-stroke-undergoing-mechanical-thrombectomy
#6
Kota Maekawa, Masunari Shibata, Hideki Nakajima, Akane Mizutani, Yotaro Kitano, Masaru Seguchi, Masayoshi Yamasaki, Kazuto Kobayashi, Takanori Sano, Genshin Mori, Tadashi Yabana, Yutaka Naito, Shigetoshi Shimizu, Fumitaka Miya
BACKGROUND: Only few studies have investigated the relationship between the histopathology of retrieved thrombi and clinical outcomes. This study aimed to evaluate thrombus composition and its association with clinical, laboratory, and neurointerventional findings in patients treated by mechanical thrombectomy due to acute large vessel occlusion. METHODS: At our institution, 79 patients were treated by mechanical thrombectomy using a stent retriever and/or aspiration catheter between August 2015 and August 2016...
January 15, 2018: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/29358523/correction-to-enlightenment-and-challenges-offered-by-dawn-trial-dwi-or-ctp-assessment-with-clinical-mismatch-in-the-triage-of-wake-up-and-late-presenting-strokes-undergoing-neurointervention-with-trevo
#7
(no author information available yet)
No abstract text is available yet for this article.
February 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29352056/relationship-between-adverse-events-and-antiplatelet-drug-resistance-in-neurovascular-intervention-a-meta-analysis
#8
Eun Jung Shim, Chang-Woo Ryu, Soonchan Park, Han Na Lee, Hee Sup Shin, Sang-Beom Kim
BACKGROUND: This meta-analysis aimed to evaluate the association between antiplatelet resistance and the risk of procedure-related complications in neurovascular interventions. METHODS: We identified relevant articles by searching electronic databases and reviewed the reference lists of selected papers. The risk of adverse events between antiplatelet responders and hyporesponders during neurointervention was compared in eligible clinical studies. Risk ratios (RRs) and 95% CIs were pooled using a random-effects meta-analysis...
January 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29351626/neuroendovascular-fellowship-training-self-assessment-of-a-program-accredited-by-the-committee-on-advanced-subspecialty-training
#9
Hakeem J Shakir, Hussain Shallwani, Leonardo Rangel-Castilla, Amade Bregy, Jason M Davies, Ashish Sonig, Christopher S Ogilvy, Kenneth V Snyder, L Nelson Hopkins, Adnan H Siddiqui, Elad I Levy
The University at Buffalo's neuroendovascular fellowship is one of the longest running fellowship programs in North America. The burgeoning neurointerventional workforce and the rapid growth in the neurointerventional space on the heels of groundbreaking clinical trials prompted us to assess the fellowship's academic impact and its graduates' perceptions and productivity. An anonymized web-based survey was sent to all former neuroendovascular fellows with specific questions pertaining to current practice, research and funding, and perceptions about the fellowship's impact on their skills, competitiveness, and compensation...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29348262/dawn-of-a-new-era-for-stroke-treatment-implications-of-the-dawn-study-for-acute-stroke-care-and-stroke-systems-of-care
#10
Mark J Alberts, Martin D Ollenschleger, Amre Nouh
Until recently, the selection of patients with large artery occlusion and ischemic stroke for reperfusion therapy was based on time criteria (typically within 6 hours) and basic imaging protocols (head CT, CT angiogram, ASPECTS score). The recently published DAWN (DWI or CTP Assessment with Clinical Mismatch in the Triage of Wake-Up and Late Presenting Strokes Undergoing Neurointervention with Trevo) study has changed this paradigm by using a tissue-based selection criteria and a greatly expanded treatment time window (up to 24 hours)...
January 18, 2018: Circulation
https://www.readbyqxmd.com/read/29338750/reperfusion-therapy-in-acute-ischemic-stroke-dawn-of-a-new-era
#11
REVIEW
Sonu Bhaskar, Peter Stanwell, Dennis Cordato, John Attia, Christopher Levi
Following the success of recent endovascular trials, endovascular therapy has emerged as an exciting addition to the arsenal of clinical management of patients with acute ischemic stroke (AIS). In this paper, we present an extensive overview of intravenous and endovascular reperfusion strategies, recent advances in AIS neurointervention, limitations of various treatment paradigms, and provide insights on imaging-guided reperfusion therapies. A roadmap for imaging guided reperfusion treatment workflow in AIS is also proposed...
January 16, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29326380/neuroendovascular-management-of-emergent-large-vessel-occlusion-update-on-the-technical-aspects-and-standards-of-practice-by-the-standards-and-guidelines-committee-of-the-society-of-neurointerventional-surgery
#12
Chirag D Gandhi, Fawaz Al Mufti, I Paul Singh, Todd Abruzzo, Barbara Albani, Sameer A Ansari, Adam S Arthur, Mark Bain, Blaise W Baxter, Ketan R Bulsara, Justin M Caplan, Michael Chen, Guilherme Dabus, Don Frei, Steven W Hetts, M Shazam Hussain, Mahesh V Jayaraman, Yasha Kayan, Richard P Klucznik, Seon-Kyu Lee, William J Mack, Thabele Leslie-Mazwi, Ryan A McTaggart, Philip M Meyers, Maxim Mokin, Athos T Patsalides, Charles J Prestigiacomo, G Lee Pride, Robert M Starke, Peter J Sunenshine, Justin F Fraser
No abstract text is available yet for this article.
January 11, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29325953/physical-risk-factors-of-hemorrhagic-complications-associated-with-angio-seal-closure-device-use-in-neurointerventional-procedures
#13
Yasuhiro Aida, Kouichi Misaki, Tomoya Kamide, Masanao Mohri, Naoyuki Uchiyama, Mitsutoshi Nakada
BACKGROUND: Few studies have demonstrated detailed physical risk factors of hemorrhagic complications (HC) associated with the Angio-Seal closure device. This retrospective study aimed to identify the risk factors of HC due to Angio-Seal use. METHODS: Data from 143 cases that underwent neurointerventional procedures that involved puncturing the femoral artery and that used an Angio-Seal to close the puncture site were reviewed. We divided these cases into HC and no HC groups and retrospectively compared age, sex, past medical and preference history, body mass index (BMI), femoral artery depth, dual antiplatelet therapy use, activated clotting time, general anesthesia use, sheath size, right femoral artery puncture, and treatment time...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29311120/transradial-cerebral-angiography-techniques-and-outcomes
#14
Brian M Snelling, Samir Sur, Sumedh S Shah, Priyank Khandelwal, Justin Caplan, Rianna Haniff, Robert M Starke, Dileep R Yavagal, Eric C Peterson
BACKGROUND: Despite several retrospective studies analyzing the safety and efficacy of transradial access (TRA) versus transfemoral access (TFA) for cerebral angiography, this transition for neurointerventional procedures has been gradual. Nonetheless, based on our positive initial institutional experience with TRA for mechanical thrombectomy in acute ischemic stroke patients, we have started transitioning more of our cerebral angiography cases to TRA. Here we present our single institution experience...
January 8, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29279801/technical-factors-affecting-outcomes-following-endovascular-treatment-of-posterior-circulation-atherosclerotic-lesions
#15
Matthew D Alexander, Jeffrey M Rebhun, Steven W Hetts, Matthew R Amans, Fabio Settecase, Robert J Darflinger, Christopher F Dowd, Van V Halbach, Randall T Higashida, Daniel L Cooke
Background: Atherosclerotic disease of the vertebrobasilar system causes significant morbidity and mortality. All lesions require aggressive medical management, but the role of endovascular interventions remains unsettled. This study examines such endovascular interventions for vertebrobasilar atherosclerosis. Methods: Retrospective review was performed of prospectively maintained procedure logs at three hospitals with comprehensive neurointerventional services...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29242390/enlightenment-and-challenges-offered-by-dawn-trial-dwi-or-ctp-assessment-with-clinical-mismatch-in-the-triage-of-wake-up-and-late-presenting-strokes-undergoing-neurointervention-with-trevo
#16
Gustavo Saposnik, Daniel Strbian
No abstract text is available yet for this article.
February 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29212861/dissecting-spinal-aneurysms-conservative-management-as-a-therapeutic-option
#17
Guilherme Dabus, Renato Tavares Tosello, Benedito J A Pereira, Italo Linfante, Ronie L Piske
OBJECTIVE: Isolated dissecting spinal aneurysms are rare lesions that pose a therapeutic challenge. We report our experience in the management of four patients with dissecting spinal aneurysms. METHODS: After institutional review board approval was obtained, the neurointerventional databases of the two participating institutions were retrospectively reviewed. Aneurysms in the anterior spinal artery, posterior spinal artery, or in a radiculomedullary artery were included in the analysis...
December 6, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29211861/spontaneous-microguidewire-extrusion-from-the-foot-following-cerebral-aneurysm-treatment-first-case-report
#18
Kurdow Nader, Saleh Lamin, Joseph Leyon, Swarupsinh Chavda, Allan Thomas, Sarin Kuruvath
BACKGROUND AND IMPORTANCE: Microguidewire entrapment and failure related to endovascular therapy is a rare complication with limited case reports available, most of which are from cardiac endovascular intervention. Migration of the microguidewire has been reported in coronary intervention with some resulting in severe complications, but there are no reported cases of spontaneous extrusion of wire fragment following a neurointerventional procedure. We report the first case of a microguidewire entrapment with subsequent fracture, followed by spontaneous extrusion of the wire fragment...
November 29, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29191869/john-nash-and-the-organization-of-stroke-care
#19
M Goyal, A T Wilson, D Mayank, N Kamal, D H Robinson, D Turkel-Parrella, J A Hirsch
The concept of Nash equilibrium, developed by John Forbes Nash Jr, states that an equilibrium in noncooperative games is reached when each player takes the best action for himself or herself, taking into account the actions of the other players. We apply this concept to the provision of endovascular thrombectomy in the treatment of acute ischemic stroke and suggest that collaboration among hospitals in a health care jurisdiction could result in practices such as shared call pools for neurointervention teams, leading to better patient care through streamlined systems...
November 30, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29191528/web-vessels-literature-review-and-neurointerventional-management
#20
Benedito J A Pereira, Ulysses Caus Batista, Renato Tavares Tosello, Igor Neia Ströher, Alex Machado Baeta, Ronie Leo Piske
OBJECTIVE: The aim of this study was to describe 27 patients with 32 web vessels (WVs) from our practice and provide a review of the literature regarding imaging diagnostics, clinical presentation, and treatment of WVs. METHODS: A MEDLINE search was performed using combinations of the following terms: "stroke in young adults," "web," "recurrent stroke," "diaphragm-like," "atypical fibromuscular hyperplasia," "atypical fibromuscular dysplasia," "septal fibromuscular dysplasia," "septa," "diaphragms," "pseudovalvular folds," and "carotid diaphragm...
November 28, 2017: World Neurosurgery
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