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Abstract #1635

High-resolution MRI study of stroke recurrence in patients with symptomatic atherosclerotic middle cerebral artery occlusion

Qianqian Wang1, Min Tang1, Kai Ai2, Xiaoyan Lei1, and Xiaoling Zhang1
1Shaanxi Provincial People's Hospital, Xi'an, China, 2Department of Clinical and Technical Support, Philips Healthcare, Xi'an, China

Synopsis

Keywords: Blood Vessels, Atherosclerosis

Motivation:

  • The risk of stroke recurrence is high in patients with Symptomatic atherosclerotic middle cerebral artery occlusion(sAMCAO). Stratification of high-risk patients is crucial for reducing the risk of stroke recurrence.

Goal(s): To identify the imaging features associated with stroke recurrence in patients with sAMCAO.

Approach:

  • lThe patients were categorized into a recurrence group and a non-recurrence group, and factors associated with stroke recurrence were evaluated using multivariate logistic regression.

Results: Plaque enhancement, the anterior circulation of the Willis circle (COW-A), and deep tiny flow voids (DTFV) were independently found to be associated with stroke recurrence.

Impact: Plaque enhancement degree, incomplete anterior Circle of Willis circulation, and absent DTFV are independently linked to stroke recurrence in sAMCAO patients. HR-MRI evaluation of the occluded vessel aids in identifying imaging markers predictive of recurrence.

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Abstract

Keywords