Initial experience with a self-expanding retrievable stent for recanalization of large vessel occlusions in acute ischemic stroke.

Abstract:

INTRODUCTION:Quicker recanalization results in better clinical outcomes in patients with acute ischemic strokes. We describe our experience with the use of a self-expanding, fully retrievable stent in acute intracranial occlusions. METHODS:Patients who underwent intra-arterial procedures with a self-expanding, fully retrievable stent for acute ischemic strokes at our center in 2009 were included in this study. The primary outcome was recanalization [Thrombolysis in Myocardial Infarction (TIMI) grade 2/3] at end of procedure. Secondary endpoints were procedural interval times, incidence of vasospasm, rupture of vessels, device-related complications, groin complications, postprocedural intracerebral hemorrhage (ICH) on noncontrast CT, and all-cause mortality. RESULTS:Fourteen patients (mean age 62.1 years, range 34-81 years; six males) were included in the study. Sites of occlusion are as follows: M1 middle cerebral artery (MCA, n = 8), M2 MCA (n = 1), proximal basilar artery (n = 1), and distal basilar artery (n = 4). An additional device or technique was used in 9 of 14 patients prior to the use of the retrievable stent. Twelve out of 14 (85.7%) achieved TIMI 2-3 recanalization with 4 of 14 (28.6%) achieving TIMI 3. Eight of 14 (57.1%) patients had modified Rankin Scale (0-2) at 3 months or discharge. ICH on follow-up CT was noted in 28.6% (4 of 14) of patients. All-cause mortality was 2 of 14 (14.3%). CONCLUSION:Use of a novel self-expanding, fully retrievable stent resulted in fast and very high recanalization rates in acute ischemic strokes with intravascular occlusions.

journal_name

Neuroradiology

journal_title

Neuroradiology

authors

Menon BK,Kochar P,Ah-Seng A,Almekhlafi MA,Modi J,Wong JH,Hudon ME,Morrish W,Demchuk AM,Goyal M

doi

10.1007/s00234-010-0835-x

subject

Has Abstract

pub_date

2012-02-01 00:00:00

pages

147-54

issue

2

eissn

0028-3940

issn

1432-1920

journal_volume

54

pub_type

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