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stent retriever

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https://www.readbyqxmd.com/read/29651586/revascularization-techniques-for-acute-basilar-artery-occlusion-technical-considerations-and-outcome-in-the-setting-of-severe-posterior-circulation-steno-occlusive-disease
#1
Eberhard Siebert, Georg Bohner, Sarah Zweynert, Volker Maus, Anastasios Mpotsaris, Thomas Liebig, Christoph Kabbasch
PURPOSE: To describe the clinical and radiological characteristics, frequency, technical aspects and outcome of endovascular treatment of acute basilar artery occlusion (ABO) in the setting of vertebrobasilar steno-occlusive disease. METHODS: Retrospective analysis of databases of two universitary stroke centers including all consecutive patients from January 2013 until May 2017 undergoing thrombectomy for a) acute stroke due to basilar artery occlusion and either significant basilar artery stenosis or vertebral artery stenosis/occlusion as well as b) presumed embolic basilar artery occlusions...
April 12, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29651500/outcome-of-endovascular-treatment-for-acute-basilar-artery-occlusion-in-the-modern-era-a-single-institution-experience
#2
Chuanhui Li, Wenbo Zhao, Chuanjie Wu, Shuyi Shang, Jian Chen, Ming Ren, Jiangang Duan, Qingfeng Ma, Guilin Li, Yunzhou Zhang, Hongqi Zhang, Liqun Jiao, Xunming Ji
PURPOSE: The beneficial effect of endovascular treatment (EVT) for patients with acute basilar artery occlusion (ABAO) remains uncertain. The purpose of the present study was to evaluate clinical outcome of EVT for patients with ABAO and analyze prognostic factors of good outcome. METHODS: From our prospectively established database, we reviewed all patients with ABAO receiving EVT during January 2014 to December 2016. Baseline characteristics and outcomes were evaluated...
April 12, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29644398/stent-placement-in-patients-with-acute-subarachnoid-haemorrhage-when-is-it-justified
#3
Andrew G Murchison, Victoria Young, Tanja Ddjurdjevic, Martino Cellerini, Rufus Corkill, Wilhelm Küker
PURPOSE: Endovascular stents are widely used for the elective treatment of cerebral aneurysms. Acute stenting is performed in the management of dissections, pseudo-aneurysms, broad-based aneurysms or as a 'bail out' measure after coil migration. The purpose of this study is to review the safety of using stents in acute subarachnoid haemorrhage. METHODS: The stent registry of our institution was reviewed for procedures in patients with acute subarachnoid haemorrhage...
April 11, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29643261/primary-results-of-the-multicenter-arise-ii-study-analysis-of-revascularization-in-ischemic-stroke-with-embotrap
#4
Osama O Zaidat, Hormozd Bozorgchami, Marc Ribó, Jeffrey L Saver, Heinrich P Mattle, René Chapot, Ana Paula Narata, Olivier Francois, Ashutosh P Jadhav, Jonathan A Grossberg, Christian H Riedel, Alejandro Tomasello, Wayne M Clark, Hannes Nordmeyer, Eugene Lin, Raul G Nogueira, Albert J Yoo, Tudor G Jovin, Adnan H Siddiqui, Thierry Bernard, Mairsíl Claffey, Tommy Andersson
BACKGROUND AND PURPOSE: EmboTrap is a novel stent retriever designed to achieve rapid and substantial flow restoration in acute ischemic stroke secondary to large-vessel occlusions. Here, we evaluated EmboTrap's safety and efficacy compared with established stent retrievers. METHODS: ARISE II (Analysis of Revascularization in Ischemic Stroke With EmboTrap) was a single-arm, prospective, multicenter study, comparing the EmboTrap device to a composite performance goal criterion derived using a Bayesian meta-analysis from the pivotal SWIFT (Solitaire device) and TREVO 2 (Trevo device) trials...
April 11, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29628942/clinical-and-angiographic-outcomes-with-the-combined-local-aspiration-and-retriever-in-the-north-american-solitaire-stent-retriever-acute-stroke-nasa-registry
#5
Tim W Malisch, Osama O Zaidat, Alicia C Castonguay, Franklin A Marden, Rishi Gupta, Chung-Huan J Sun, Coleman O Martin, William E Holloway, Nils Mueller-Kronast, Joey English, Italo Linfante, Guilherme Dabus, Hormozd Bozorgchami, Andrew Xavier, Ansaar T Rai, Michael Froehler, Aamir Badruddin, Thanh N Nguyen, M Asif Taqi, Michael G Abraham, Vallabh Janardhan, Hashem Shaltoni, Robin Novakovic, Albert J Yoo, Alex Abou-Chebl, Peng Roc Chen, Gavin W Britz, Ritesh Kaushal, Ashish Nanda, Raul G Nogueira
Background: Various techniques are used to enhance the results of mechanical thrombectomy with stent-retrievers, including proximal arrest with balloon guide catheter (BGC), conventional large bore proximal catheter (CGC), or in combination with local aspiration through a large-bore catheter positioned at the clot interface (Aspiration-Retriever Technique for Stroke [ARTS]). We evaluated the impact of ARTS in the North American Solitaire Acute Stroke (NASA) registry. Summary: Data on the use of the aspiration technique were available for 285 anterior circulation patients, of which 29 underwent ARTS technique, 131 CGC, and 125 BGC...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29626134/modified-thrombolysis-in-cerebral-infarction-2c-thrombolysis-in-cerebral-infarction-3-reperfusion-should-be-the-aim-of-mechanical-thrombectomy-insights-from-the-aster-trial-contact-aspiration-versus-stent-retriever-for-successful-revascularization
#6
Cyril Dargazanli, Robert Fahed, Raphael Blanc, Benjamin Gory, Julien Labreuche, Alain Duhamel, Gaultier Marnat, Suzana Saleme, Vincent Costalat, Serge Bracard, Hubert Desal, Mikael Mazighi, Arturo Consoli, Michel Piotin, Bertrand Lapergue
BACKGROUND AND PURPOSE: Although successful reperfusion is usually defined as a modified Thrombolysis in Cerebral Infarction (mTICI) 2B or 3 at the end of the procedure, studies have shown that mTICI 2B patients had poorer functional outcomes than TICI 3 patients. An mTICI 2C category has been recently introduced for patients with near-complete perfusion except for slow flow in a few distal cortical vessels or presence of small distal cortical emboli after mechanical thrombectomy. The purpose of this study was to evaluate the difference in functional outcome between patients achieving successful reperfusion (ie, mTICI 2B, mTICI 2C, and TICI 3 scores)...
April 6, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29625154/experimental-evaluation-of-the-neva-tm-thrombectomy-device-a-novel-stent-retriever-conceived-to-improve-efficacy-of-organized-clot-removal
#7
Paolo Machi, Arthur J Ulm, Gianmarco Bernava, Olivier Brina, Karl Olof Lovblad, Franck Jourdan
BACKGROUND AND PURPOSE: Stent retrievers are recognized as the most effective devices for intracranial thrombectomy. Although highly effective, such devices fail in clot removal when the brain vessel occlusion is due to organized, firm clots. The mechanism of failure is that during the retrieval, devices remain compressed by the organized clot and slide between it and the vessel wall without any removal effect. The aim of the current study is to present the preclinical evaluation of the Neva™ device, a novel stent retriever designed to improve the incorporation and removal of organized thrombi...
April 3, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29618557/thrombectomy-for-m1-middle-cerebral-artery-occlusion-angiographic-aspect-of-the-arterial-occlusion-and-recanalization-a-preliminary-observation
#8
Arturo Consoli, Andrea Rosi, Oguzhan Coskun, Sergio Nappini, Federico Di Maria, Leonardo Renieri, Nicola Limbucci, Georges Rodesch, Salvatore Mangiafico, Jean-Pierre Decroix, Maeva Kyheng, Julien Labreuche, Bertrand Lapergue
BACKGROUND AND PURPOSE: Despite the recent technical evolution of the endovascular treatment of acute ischemic stroke, late and incomplete recanalization can be achieved after several maneuvers but with a potentially higher risk of futile reperfusion and complications, such as clot fragmentation. The aim of this article is to investigate the impact of the angiographic phenotype of M1-middle cerebral artery occlusions, classified as regular and irregular in aspect, on the results of treatment by stent retrievers (SRs) or contact aspiration (CA)...
April 4, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29601836/unplanned-emergency-department-visits-and-hospital-admissions-following-ureteroscopy-do-ureteral-stents-make-a-difference
#9
Harsha R Mittakanti, Simon L Conti, Alan C Pao, Glenn M Chertow, Joseph C Liao, John T Leppert, Christopher S Elliott
OBJECTIVE: The comparative effectiveness of ureteral stents placed during ureteroscopy for urinary stone disease is widely debated. We sought to evaluate unplanned medical visits within the early post-operative period after ureteroscopy in patients with and without ureteral stent placement. MATERIALS AND METHODS: We identified all ureteroscopic procedures for urinary stone disease in the California Office of Statewide Health Planning and Development (OSHPD) database from 2010-2012...
March 27, 2018: Urology
https://www.readbyqxmd.com/read/29578912/stent-design-affects-femoropopliteal-artery-deformation
#10
Jason MacTaggart, William Poulson, Andreas Seas, Paul Deegan, Carol Lomneth, Anastasia Desyatova, Kaspars Maleckis, Alexey Kamenskiy
BACKGROUND: Poor durability of femoropopliteal artery (FPA) stenting is multifactorial, and severe FPA deformations occurring with limb flexion are likely involved. Different stent designs result in dissimilar stent-artery interactions, but the degree of these effects in the FPA is insufficiently understood. OBJECTIVES: To determine how different stent designs affect limb flexion-induced FPA deformations. METHODS: Retrievable markers were deployed into n = 28 FPAs of lightly embalmed human cadavers...
March 23, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29576330/intralacrimal-migration-of-masterka-%C3%A2-stents
#11
B Fayet, E Racy, W R Katowitz, J A Katowitz, J-M Ruban, D Brémond-Gignac
BACKGROUND: Tearing and conjunctivitis in children are commonly due to lacrimal drainage system obstruction. Congenital nasolacrimal obstruction is a common pathology treated by probing with or without silicone stent insertion, depending upon the age of the child. The silicone stent is self-retaining and placed for at least one month. Masterka® is a recent version of Monoka® , which may lead to the same surgical complications, such as intralacrimal migration. SUBJECTS AND METHODS: The medical records of two patients surgically treated with the Masterka® probe for nasolacrimal duct obstruction, who developed intralacrimal migration of the stent, were retrospectively reviewed and analyzed...
March 22, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29562864/primary-angioplasty-and-stenting-may-be-superior-to-thrombectomy-for-acute-atherosclerotic-large-artery-occlusion
#12
Dong Yang, Min Lin, Shuiping Wang, Huaiming Wang, Yonggang Hao, Wenjie Zi, Penghua Lv, Dequan Zheng, Guodong Xiao, Gelin Xu, Yunyun Xiong, Xinfeng Liu
Objective The objective of this article is to compare the effectiveness of primary angioplasty and/or stenting with stent retriever thrombectomy in acute anterior large-vessel occlusion due to atherosclerotic disease. Methods Patients were retrospectively reviewed from the endovascular treatment for acute anterior circulation ischemic stroke registry. Patients with large-vessel occlusions due to atherosclerosis were selected. We evaluated modified Rankin Scale (mRS) score at 90 days, modified thrombolysis in cerebral infarction (mTICI) score immediately post-procedure, and symptomatic and asymptomatic intracranial hemorrhage within 72 hours...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29552255/interventional-radiology-operated-endoscopy-assisted-retrograde-transnasal-placement-of-a-retrievable-transhepatic-covered-biliary-stent
#13
Evan Johnson, Kyle J Cooper, Jeffrey Forris Beecham Chick, Joseph J Gemmete, Ravi N Srinivasa
Biliary stent placement is an adjunct for complex biliary intervention. Patients with benign biliary strictures or aversion to external drainage may benefit from placement of retrievable biliary stents. This report describes a patient with a working diagnosis of benign biliary stricture who underwent interventional radiology-operated endoscopy-guided transnasal placement of a fully covered retrievable biliary stent.
February 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29549121/endovascular-therapy-versus-thrombolysis-in-patients-with-large-vessel-occlusions-within-the-anterior-circulation-aged-%C3%A2-80-years
#14
Andreas Kastrup, Freimuth Brunner, Helmut Hildebrandt, Christian Roth, Michael Winterhalter, Panagiotis Papanagiotou
BACKGROUND AND PURPOSE: In patients with large vessel occlusions, endovascular treatment (ET) has been shown to be superior to intravenous thrombolysis (IVT) in recent trials. However, the effectiveness of ET in elderly patients is uncertain. METHODS: Using our stroke database, we compared the rates of good outcome (modified Rankin scale (mRS) ≤2), excellent outcome (mRS 0-1), poor outcome (mRS 5-6) at discharge, in-hospital death, infarct size, and symptomatic intracranial hemorrhage (SICH) in patients aged ≥80 years with distal intracranial carotid artery, M1 and M2 occlusions during two time periods...
March 16, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29541591/backtable-ureteroscopy-for-retrieval-of-retained-stent-or-stone-a-novel-technique-in-renal-autotransplant
#15
Josh Bleicher, Robin D Kim, Blake Hamilton, Glen Lau, Jeffrey Campsen
No abstract text is available yet for this article.
March 2018: Urology Case Reports
https://www.readbyqxmd.com/read/29535893/temporal-changes-in-care-processes-and-outcomes-for-endovascular-treatment-of-acute-ischemic-stroke-retrospective-registry-data-from-three-korean-centers
#16
Jin Soo Lee, Seong-Joon Lee, Ji Man Hong, Jin Wook Choi, Jeong-Ho Hong, Hyuk-Won Chang, Chang-Hyun Kim, Yong-Won Kim, Dong-Hun Kang, Yong-Sun Kim, Bruce Ovbiagele, Andrew M Demchuk, Yang-Ha Hwang, Sung-Il Sohn
Background and Purpose: The purpose of the current study is to evaluate the influence of temporal patterns related to the availability of new endovascular treatment (EVT) devices on care processes and outcomes among patients with AIS. Materials and Methods: We enrolled 720 consecutive patients (January 2011 to May 2016) in a retrospective registry, ASIAN KR, from three Korean hospitals, who received EVT for acute ischemic stroke (AIS) caused by cervicocephalic arterial occlusions...
March 2018: Neurointervention
https://www.readbyqxmd.com/read/29529841/outcome-of-donor-biliary-complications-following-living-donor-liver-transplantation
#17
Hyun Young Woo, In Seok Lee, Jae Hyuck Chang, Seung Bae Youn, Si Hyun Bae, Jong Young Choi, Ho Jong Chun, Young Kyoung You, Dong Goo Kim, Seung Kew Yoon
Background/Aims: Biliary complications are the most common donor complication following living donor liver transplantation (LDLT). The aim of this study is to investigate the long-term outcomes of biliary complications in right lobe adult-to-adult LDLT donors, and to evaluate the efficacy of endoscopic treatment of these donors. Methods: The medical charts of right lobe donors who developed biliary complications between June 2000 and January 2008 were retrospectively reviewed...
March 14, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29526881/efficacy-and-safety-of-revive-se-thrombectomy-device-for-acute-ischemic-stroke-river-japan-reperfuse-ischemic-vessels-with-endovascular-recanalization-device-in-japan
#18
Nobuyuki Sakai, Shinzo Ota, Yasushi Matsumoto, Rei Kondo, Tetsu Satow, Michiya Kubo, Tomoyuki Tsumoto, Yukiko Enomoto, Taketo Kataoka, Hirotoshi Imamura, Kenichi Todo, Mikito Hayakawa, Hiroshi Yamagami, Kazunori Toyoda, Yasushi Ito, Kenji Sugiu, Yuji Matsumaru, Shinichi Yoshimura
REVIVE SE (REVIVE) is a closed-ended, self-expanding stent retriever used in the RIVER JAPAN study. We present our early experience with REVIVE for revascularization of acute ischemic stroke (AIS) in patients who have failed or are ineligible for intravenous recombinant tissue plasminogen activator treatment. This prospective, single-arm, non-randomized, multicenter registry study followed up patients undergoing mechanical thrombectomy with REVIVE for 90 days. The primary endpoint was a post-procedure Thrombolysis in Cerebral Infarction (TICI) score ≥2a...
March 9, 2018: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/29523557/endovascular-treatment-for-acute-ischaemic-stroke-in-routine-clinical-practice-prospective-observational-cohort-study-mr-clean-registry
#19
MULTICENTER STUDY
Ivo G H Jansen, Maxim J H L Mulder, Robert-Jan B Goldhoorn
OBJECTIVE: To determine outcomes and safety of endovascular treatment for acute ischaemic stroke, due to proximal intracranial vessel occlusion in the anterior circulation, in routine clinical practice. DESIGN: Ongoing, prospective, observational cohort study. SETTING: 16 centres that perform endovascular treatment in the Netherlands. PARTICIPANTS: 1488 patients included in the Multicentre Randomised Controlled Trial of Endovascular Treatment for Acute Ischaemic Stroke in the Netherlands (MR CLEAN) Registry who had received endovascular treatment, including stent retriever thrombectomy, aspiration, and all alternative methods for acute ischaemic stroke within 6...
March 9, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29513676/mechanical-endovascular-therapy-for-acute-ischemic-stroke-an-indirect-treatment-comparison-between-solitaire-and-penumbra-thrombectomy-devices
#20
Jonathan T Caranfa, Elaine Nguyen, Rafay Ali, Iregi Francis, Albert Zichichi, Elliott Bosco, Craig I Coleman, William L Baker, Christine G Kohn
BACKGROUND: Randomized controlled trials (RCTs) have compared mechanical endovascular therapy (MET) in addition to intravenous tissue plasminogen activator (IVtPA) to IVtPA alone for the management of acute ischemic stroke (AIS). Direct comparative studies between individual METs are not available. In lieu of head-to-head randomized control trials, we performed an adjusted indirect treatment comparison (ITC) meta-analysis to assess the comparative efficacy and safety of different METs, Solitaire+IVtPA and Penumbra+IVtPA in AIS patients...
2018: PloS One
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