نتایج جستجو برای: thrombectomy

تعداد نتایج: 4108  

M. Mozafar, M. Talebianfar,

 Abstract Background: The optimal therapy of acute iliofemoral venous thrombosis is still a matter of debate. The purpose of our study was to evaluate the late results of iliofemoral thrombectomy with regard to the prevention of the development of a Post Thrombotic Syndrome (PTS). Methods: During 2000-2003, 18 patients underwent transfemoral venous thrombectomy for acute iliofemoral venous thro...

Journal: :the journal of tehran university heart center 0
morteza safi modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, leila nojoomizadeh modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, maryam taherkhani modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, mohamadreza motamedi modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, habibollah saadat modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, mohammad hasan namazi modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences,

background: early clinical and retrospective angiographic evaluations indicated that in patients with acute myocardial infarction (mi), vulnerable plaques most often represented a mild luminal stenosis. more recent studies drawing upon prospective angiograms, however, have demonstrated that in majority of patients with acute mi, the underlying stenosis is significant.   methods: twenty-eight pa...

2017
Ho-Cheol Lee Dong-Hun Kang Yang-Ha Hwang Yong-Sun Kim Yong-Won Kim

Historical innovations in mechanical thrombectomy devices and strategies for ischemic stroke have resulted in improved angiographic outcomes and better clinical outcomes. Various devices have been used, but the two most common approaches are aspiration thrombectomy and stent-retrieval thrombectomy. Aspiration thrombectomy has advanced from the traditional Penumbra system to forced arterial suct...

Journal: :AJNR. American journal of neuroradiology 2014
W Brinjikji A A Rabinstein J S McDonald H J Cloft

BACKGROUND AND PURPOSE Previous studies have demonstrated that socioeconomic disparities in the treatment of cerebrovascular diseases exist. We studied a large administrative data base to study disparities in the utilization of mechanical thrombectomy for acute ischemic stroke. MATERIALS AND METHODS With the utilization of the Perspective data base, we studied disparities in mechanical thromb...

Journal: :AJNR. American journal of neuroradiology 2015
M Mokin S V Setlur Nagesh C N Ionita E I Levy A H Siddiqui

BACKGROUND AND PURPOSE A new in vitro cerebrovascular occlusion model of the intracranial circulation was developed recently for testing thrombectomy devices. Using this model, we compared recanalization success associated with different modern endovascular thrombectomy approaches. MATERIALS AND METHODS Model experiments were performed in 4 thrombectomy test groups: 1) primary or direct Stent...

Journal: :iranian journal of radiology 0
ramin pourghorban department of radiology, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran; md, department of radiology, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran

mechanical thrombectomy has shown promising results in large vessel ischemic stroke, with recent large trials changing to guidelines worldwide. in this presentation, results from the five recent randomized trials will be discussed. there is an ongoing debate on the inclusion and exclusion criteria of mechanical thrombectomy. it can be done in large vessel occlusions, including up to m2 middle c...

2012
Tae Kwon Kim Jong Kook Rhim Chung Jae Lee Sung Han Oh Bong Sub Chung

OBJECTIVE A self-expanding retrievable intracranial stent, such as Solitaire AB, is useful for mechanical thrombectomy, producing novel results in the treatment of acute ischemic stroke. On the other hand, difficult situations can arise after a thrombectomy when using as in first-line treatment. METHODS This was a retrospective, single-center study of 23 patients with an acute ischemic stroke...

2017
Mahesh V. Jayaraman Ryan A. McTaggart

Endovascular treatment of anterior circulation large vessel occlusion in the elderly population presents special challenges and opportunities. In this review, we discuss the published literature regarding thrombectomy in elderly patients and also discuss specific issues related to treatment in this patient population. In summary, while the overall outcomes following thrombectomy in elderly pati...

Journal: :Circulation. Cardiovascular interventions 2010
François-Pierre Mongeon Patrick Bélisle Lawrence Joseph Mark J Eisenberg Stéphane Rinfret

BACKGROUND In available trials and meta-analyses, adjunctive thrombectomy in acute myocardial infarction (MI) improves markers of myocardial reperfusion but has limited effects on clinical outcomes. Thrombectomy devices simply aspirate thrombus or mechanically fragment it before aspiration. Simple aspiration thrombectomy may offer a distinct advantage. METHODS AND RESULTS We identified 21 eli...

2015
Zhong-Song Shi Gary R. Duckwiler Reza Jahan Satoshi Tateshima Nestor R. Gonzalez Viktor Szeder Jeffrey L. Saver Doojin Kim Latisha K. Ali Sidney Starkman Paul M. Vespa Noriko Salamon J. Pablo Villablanca Fernando Viñuela Lei Feng Yince Loh David S. Liebeskind

The interval appearance of cerebral microbleeds (CMBs) after endovascular treatment has never been described. We investigated the frequency and predictors of new CMBs that developed shortly after mechanical thrombectomy for acute ischemic stroke, and its impact on clinical outcome.We retrospectively analyzed patients with large-vessel occlusion strokes treated with Merci Retriever, Penumbra Sys...

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