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Stentriever

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https://www.readbyqxmd.com/read/28465460/efficacy-of-stent-retriever-thrombectomy-in-magnetic-resonance-imaging-versus-computed-tomographic-perfusion-selected-patients-in-swift-prime-trial-solitaire-fr-with-the-intention-for-thrombectomy-as-primary-endovascular-treatment-for-acute-ischemic-stroke
#1
Nicolas Menjot de Champfleur, Jeffrey L Saver, Mayank Goyal, Reza Jahan, Hans-Christoph Diener, Alain Bonafe, Elad I Levy, Vitor M Pereira, Christophe Cognard, Dileep R Yavagal, Gregory W Albers
BACKGROUND AND PURPOSE: The majority of patients enrolled in SWIFT PRIME trial (Solitaire FR With the Intention for Thrombectomy as Primary Endovascular Treatment for Acute Ischemic Stroke) had computed tomographic perfusion (CTP) imaging before randomization; 34 patients were randomized after magnetic resonance imaging (MRI). METHODS: Patients with middle cerebral artery and distal carotid occlusions were randomized to treatment with tPA (tissue-type plasminogen activator) alone or tPA+stentriever thrombectomy...
June 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28409731/a-direct-aspiration-first-pass-technique-vs-stentriever-thrombectomy-in-emergent-large-vessel-intracranial-occlusions
#2
Christopher J Stapleton, Thabele M Leslie-Mazwi, Collin M Torok, Reza Hakimelahi, Joshua A Hirsch, Albert J Yoo, James D Rabinov, Aman B Patel
OBJECTIVE Endovascular thrombectomy in patients with acute ischemic stroke caused by occlusion of the proximal anterior circulation arteries is superior to standard medical therapy. Stentriever thrombectomy with or without aspiration assistance was the predominant technique used in the 5 randomized controlled trials that demonstrated the superiority of endovascular thrombectomy. Other studies have highlighted the efficacy of a direct aspiration first-pass technique (ADAPT). METHODS To compare the angiographic and clinical outcomes of ADAPT versus stentriever thrombectomy in patients with emergent large vessel occlusions (ELVO) of the anterior intracranial circulation, the records of 134 patients who were treated between June 2012 and October 2015 were reviewed...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28374677/the-first-reported-stentriever-based-thrombectomy-in-acute-st-elevation-myocardial-infarction-due-to-paradoxical-coronary-embolism
#3
Vladimir Manchurov, Kirill Anisimov, Valentina Khokhlova, Dmitry Skrypnik
No abstract text is available yet for this article.
April 4, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28366064/utility-of-a-y-configured-stentriever-technique-as-a-rescue-method-of-thrombectomy-for-an-intractable-rooted-thrombus-located-on-the-middle-cerebral-artery-bifurcation-technical-note
#4
Hideo Okada, Yoshikazu Matsuda, Joonho Chung, R Webster Crowley, Demetrius K Lopes
Mechanical thrombectomy with stentriever and/or aspiration is the new gold standard for the treatment of acute strokes with large-vessel occlusion. As many as 20% of cases remain refractory to current stentriever and/or aspiration devices. "Saddle clots" obstructing a bifurcation may be a particular challenge for recanalization with conventional techniques and devices. The authors describe an alternative technique to bifurcation occlusions resistant to the conventional mechanical thrombectomy approach in which they simultaneously deployed 2 stentrievers into both branches of an occluded bifurcation...
April 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28347898/stentriever-thrombectomy-failure-a-challenge-in-stroke-management
#5
Claudio Baracchini, Filippo Farina, Matteo Soso, Federica Viaro, Silvia Favaretto, Anna Palmieri, Caterina Kulyk, Enzo Ballotta, Lorena Nico, Giacomo Cester, Francesco Causin
BACKGROUND: and Purpose: Stentriever thrombectomy failure in patients with acute ischemic stroke due to anterior circulation large artery occlusion (LAO) is not a rare event. The purpose of this study was to investigate whether other procedures (tirofiban, permanent stenting) are able to recanalize the occluded vessel and determine a better outcome without increasing mortality and intracranial hemorrhage (ICH) rates. METHODS: Among 513 patients consecutively admitted with anterior circulation stroke, 109 underwent stentriever thrombectomy...
March 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28341523/intracranial-stents-in-the-endovascular-treatment-of-acute-ischemic-stroke
#6
F Delgado Acosta, E Jiménez Gómez, I Bravo Rey, F A Bravo Rodríguez, J J Ochoa Sepúlveda, R Oteros Fernández
OBJECTIVE: To evaluate the efficacy and safety of intracranial stenting as a rescue therapy after failed mechanical thrombectomy in patients with acute ischemic stroke. MATERIAL AND METHODS: We retrospectively studied 42 patients treated with intracranial stenting after failed mechanical thrombectomy between December 2008 and January 2016. We compared outcomes before and after the incorporation of stentrievers. We assessed the degree of recanalization in the carotid and basilar territories (modified TIMI score), prognostic factors, and outcome (modified Rankin Score at 3 months)...
May 2017: Radiología
https://www.readbyqxmd.com/read/28270000/retrograde-semi-retrieval-technique-for-combined-stentriever-plus-aspiration-thrombectomy-in-acute-ischemic-stroke
#7
Ming Wei, Zhiqiang Wei, Xin Li, Hong Li
The endovascular treatment of acute ischemic stroke has become a standard procedure. The combination of multiple neuroendovascular devices provides more possibilities for the improvement of the thrombectomy technique. We describe a modified retrieval technique using a distal intracranial catheter (DIC) for the semi-retrieval of stentriever during the thrombectomy procedure. The retrograde semi-retrieval technique involves completely unfolding the stent retriever by pulling a Navien catheter and the partial re-sheath of a retrievable stent forming a tapered configuration by pushing the Navien catheter, which results in the thrombi being embedded into the strut, securing the clot within the stent and there being a shorter distance for the clot to travel...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28251328/efficacy-and-safety-of-direct-aspiration-first-pass-technique-versus-stent-retriever-thrombectomy-in-acute-basilar-artery-occlusion-a-retrospective-single-center-experience
#8
Johannes C Gerber, Dirk Daubner, Daniel Kaiser, Kay Engellandt, Kevin Haedrich, Angela Mueller, Volker Puetz, Jennifer Linn, Andrij Abramyuk
INTRODUCTION: The study aimed to compare efficacy and safety of aspiration thrombectomy (AT) to stentriever thrombectomy (SRT) in patients with basilar artery (BA) occlusion (BAO). METHODS: We retrospectively included patients with the following characteristics: acute BAO or occlusion of the intracranial vertebral artery (ICVA) and endovascular therapy (EVT) with stentriever (SRT) or aspiration thrombectomy (AT). Additional extra- but not intracranial EVT and intravenous thrombolysis (IVT) were allowed...
March 1, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28122915/stentriever-thrombectomy-with-distal-protection-device-for-carotid-free-floating-thrombus-a-technical-case-report
#9
Suresh Giragani, Ankit Balani, Vikas Agrawal
We report the clinical details, imaging findings and management of a 45-year-old man who presented with recurrent transient ischemic attacks due to carotid free floating thrombus. Free floating thrombus of the carotid artery is a very rare condition with a high risk of distal embolic shower. The optimal treatment options are debatable and include medical management, surgical thrombectomy and endovascular thrombectomy. We describe the use of a stentriever with filter protection in the management of carotid free floating thrombus as a novel treatment option...
January 25, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28100568/stentriever-thrombectomy-with-distal-protection-device-for-carotid-free-floating-thrombus-a-technical-case-report
#10
Suresh Giragani, Ankit Balani, Vikas Agrawal
We report the clinical details, imaging findings and management of a 45-year-old man who presented with recurrent transient ischemic attacks due to carotid free floating thrombus. Free floating thrombus of the carotid artery is a very rare condition with a high risk of distal embolic shower. The optimal treatment options are debatable and include medical management, surgical thrombectomy and endovascular thrombectomy. We describe the use of a stentriever with filter protection in the management of carotid free floating thrombus as a novel treatment option...
January 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/27629085/importance-of-truncal-type-occlusion-in-stentriever-based-thrombectomy-for-acute-stroke
#11
Jang-Hyun Baek, Byung Moon Kim, Dong Joon Kim, Ji Hoe Heo, Hyo Suk Nam, Dongbeom Song, Oh Young Bang
OBJECTIVE: To investigate whether angiographically defined occlusion type could predict of the etiology of acute intracranial large artery occlusion and the stentriever response. METHODS: We reviewed consecutive patients with acute intracranial large artery occlusion who underwent endovascular treatment and examined their workups for embolic sources. Patient demographics, laboratory findings, hyperdense artery sign, and angiographic occlusion type (truncal-type or branching-site occlusion) were compared between embolic sources (+) and (-) groups...
October 11, 2016: Neurology
https://www.readbyqxmd.com/read/27522497/emergent-revascularization-of-acute-tandem-vertebrobasilar-occlusions-endovascular-approaches-and-technical-considerations-confirming-the-role-of-vertebral-artery-ostium-stenosis-as-a-cause-of-vertebrobasilar-stroke
#12
José E Cohen, Ronen R Leker, J Moshe Gomori, Roni Eichel, Gustavo Rajz, Samuel Moscovici, Eyal Itshayek
Patients suffering from acute atherothrombotic occlusion of the proximal vertebral artery (VA) and concomitant basilar artery (BA) occlusion present a grim prognosis. We describe our experience in the endovascular recanalization of tandem vertebrobasilar occlusions using endovascular techniques. The BA was accessed through the normal VA (clean-road) or the occluded, thrombotic VA (dirty-road), and stentriever-based thrombectomy was performed using antegrade or reverse revascularization variants. Seven patients underwent successful stentriever-assisted mechanical thrombectomy of the BA and five sustained concomitant VA revascularization...
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27444259/stenting-as-a-rescue-treatment-after-failure-of-mechanical-thrombectomy-for-anterior-circulation-large-artery-occlusion
#13
Jang-Hyun Baek, Byung Moon Kim, Dong Joon Kim, Ji Hoe Heo, Hyo Suk Nam, Joonsang Yoo
BACKGROUND AND PURPOSE: We hypothesized that permanent stenting may be a rescue treatment for stentriever-failed anterior circulation large artery occlusion. We compared the outcomes among patients with permanent stenting and those without stenting after stentriever failure. METHODS: We retrospectively evaluated 208 patients who underwent stentriever thrombectomy for anterior circulation large artery occlusion between September 2010 and September 2015. Modified thrombolysis in cerebral ischemia 2b-3 recanalization was achieved with stentriever alone or in combination with Penumbra device in 155 patients (74...
September 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27430469/endovascular-treatment-of-acute-ischemic-stroke
#14
REVIEW
Thabele Leslie-Mazwi, James Rabinov, Joshua A Hirsch
Endovascular thrombectomy is an effective treatment for major acute ischemic stroke syndromes caused by major anterior circulation artery occlusions (commonly referred to as large vessel occlusion) and is superior to intravenous thrombolysis and medical management. Treatment should occur as quickly as is reasonably possible. All patients with moderate to severe symptoms (National Institutes of Health stroke scale >8) and a treatable occlusion should be considered. The use of neuroimaging is critical to exclude hemorrhage and large ischemic cores...
2016: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27312661/heat-transfer-analysis-of-catheters-used-for-localized-tissue-cooling-to-attenuate-reperfusion-injury
#15
Thomas L Merrill, Jennifer E Mitchell, Denise R Merrill
Recent revascularization success for ischemic stroke patients using stentrievers has created a new opportunity for therapeutic hypothermia. By using short term localized tissue cooling interventional catheters can be used to reduce reperfusion injury and improve neurological outcomes. Using experimental testing and a well-established heat exchanger design approach, the ɛ-NTU method, this paper examines the cooling performance of commercially available catheters as function of four practical parameters: (1) infusion flow rate, (2) catheter location in the body, (3) catheter configuration and design, and (4) cooling approach...
August 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27257830/a-leap-forward-in-the-endovascular-management-of-acute-basilar-artery-occlusion-since-the-appearance-of-stent-retrievers-a-single-center-comparative-study
#16
Robert Fahed, Federico Di Maria, Charlotte Rosso, Nader Sourour, Vincent Degos, Sandrine Deltour, Flore Baronnet-Chauvet, Anne Léger, Sophie Crozier, Joseph Gabrieli, Yves Samson, Jacques Chiras, Frédéric Clarençon
OBJECTIVE Contrary to acute ischemic stroke involving the anterior circulation, no randomized trial has yet demonstrated the safety and effectiveness of endovascular management in acute basilar artery occlusion (BAO). Recently developed thrombectomy devices, such as stentrievers and aspiration systems, have helped in improving the endovascular management of acute ischemic stroke. The authors sought to assess the impact of these devices in the endovascular treatment of acute BAO. METHODS A retrospective analysis of 34 consecutive patients treated in Pitié-Salpêtrière Hospital for acute BAO was carried out...
May 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27190398/mechanical-thrombectomy-with-the-eric-retrieval-device-initial-experience
#17
Hélène Raoult, Hocine Redjem, Romain Bourcier, Alina Gaultier-Lintia, Benjamin Daumas-Duport, Jean-Christophe Ferré, François Eugène, Robert Fahed, Bruno Bartolini, Michel Piotin, Hubert Desal, Jean-Yves Gauvrit, Raphaël Blanc
OBJECTIVE: To report our experience with the Embolus Retriever with Interlinked Cage (ERIC) stentriever for use in mechanical endovascular thrombectomy (MET). METHODS: Thirty-four consecutive patients with acute stroke (21 men and 13 women; median age 66 years) determined appropriate for MET were treated with ERIC and prospectively included over a 6-month period at three different centers. The ERIC device differs from typical stentrievers in that it is designed with a series of interlinked adjustable nitinol cages that allow for fast thrombus capture, integration, and withdrawal...
May 17, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/26932587/the-evolution-of-mechanical-thrombectomy-for-acute-stroke
#18
Feras Akbik, Joshua A Hirsch, Pedro Telles Cougo-Pinto, Ronil V Chandra, Claus Z Simonsen, Thabele Leslie-Mazwi
The natural history of an acute ischemic stroke from a large vessel occlusion (LVO) is poor and has long challenged stroke therapy. Recently, endovascular therapy has demonstrated superiority to medical management in appropriately selected patients. This advance has revolutionized acute care for LVO and mandates a reevaluation of the entire chain of stroke care delivery, including patient selection, intervention, and post-procedural care. Since endovascular therapy is a therapy specifically targeting LVO, its application should be restricted to those patients only...
May 2016: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/26810313/intra-arterial-revascularization-therapy-for-basilar-artery-occlusion-a-systematic-review-and-analysis
#19
REVIEW
Calvin Hoi-Kwan Mak, Joanna Wing-Kiu Ho, Kwong-Yau Chan, Wai-Sang Poon, George Kwok-Chu Wong
Acute basilar artery occlusion has been managed aggressively with various modalities due to its potentially debilitating outcome. While intra-arterial mechanical thrombectomy with stentriever has established clear evidence for anterior circulation stroke with large vessel occlusion as an adjunct to intravenous thrombolysis or the sole modality in intravenous thrombolysis ineligible patients, similar high-level evidence was not available for intra-arterial mechanical thrombectomy of posterior circulation stroke with acute basilar artery occlusion...
October 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/26715458/response-to-letter-regarding-article-optimizating-clot-retrieval-in-acute-stroke-the-push-and-fluff-technique-for-closed-cell-stentrievers
#20
LETTER
Diogo C Haussen, Leticia C Rebello, Raul G Nogueira
No abstract text is available yet for this article.
February 2016: Stroke; a Journal of Cerebral Circulation
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