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Prevalence of Carotid Web in Patients with Acute Intracranial Stroke Due to Intracranial Large Vessel Occlusion.

Abstract：

:Purpose To investigate the prevalence of symptomatic carotid web in patients with acute ischemic stroke due to intracranial large vessel occlusion, to determine the clinical and imaging profile of patients with carotid web as well as their association with ischemic stroke, and to determine the interobserver agreement in the assessment of carotid webs. Materials and Methods All patients (n = 500) of the Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands (MR CLEAN) in whom the carotid bifurcation could be assessed (n = 443) were included. The presence of a carotid web at the carotid bifurcations was evaluated at computed tomographic (CT) angiography. Demographics, clinical characteristics, and imaging baseline characteristics were presented by descriptive statistics for patients with an identified carotid web. Interobserver agreement in the detection of carotid webs was examined by using kappa statistics. Results Eleven (2.5%) carotid webs were found at the symptomatic side and two (0.5%) carotid webs were found at the asymptomatic side. Ten (91%) patients with a symptomatic carotid web were female. Nine patients with a symptomatic carotid web did not have major risk factors or other causes for ischemic stroke (82%). Fair to good interobserver agreement (κ, 0.72) was observed for diagnosing carotid webs at CT angiography. Conclusion Carotid webs at the symptomatic carotid bifurcation were observed in 2.5% of the patients with acute ischemic stroke due to large vessel occlusion and were mostly diagnosed in female patients with a fair to good interobserver agreement. © RSNA, 2017 Clinical trial registration nos. NTR1804 and ISRCTN10888758 Online supplemental material is available for this article.

journal_name

Radiology

journal_title

Radiology

authors

Compagne KCJ,van Es ACGM,Berkhemer OA,Borst J,Roos YBWEM,van Oostenbrugge RJ,van Zwam WH,Majoie CBLM,Marquering HA,Dippel DWJ,van der Lugt A,Emmer BJ,MR CLEAN Trial Investigators.

doi

10.1148/radiol.2017170094

subject

Has Abstract

pub_date

2018-03-01 00:00:00

pages

1000-1007

issue

eissn

0033-8419

issn

1527-1315

journal_volume

286

pub_type

杂志文章,多中心研究,随机对照试验

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Prevalence of Carotid Web in Patients with Acute Intracranial Stroke Due to Intracranial Large Vessel Occlusion.