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Clinical Article
Meta analysis of correlation between characteristics of vulnerable intracranial plaque and occurrence and recurrence of ischemic stroke
WANG Zehua  GAO Yang  WU Qiong  HE Jinlong  LUO Tong  WANG Liwen 

Cite this article as: WANG Z H, GAO Y, WU Q, et al. Meta analysis of correlation between characteristics of vulnerable intracranial plaque and occurrence and recurrence of ischemic stroke[J]. Chin J Magn Reson Imaging, 2023, 14(4): 16-21. DOI:10.12015/issn.1674-8034.2023.04.004.


[Abstract] Objective Meta analysis was used to qualitatively evaluate the correlation between the characteristics of intracranial vulnerable plaques and the occurrence and recurrence of ischemic stroke.Materials and Methods PubMed, The Cochrane Library, Embase and Medline were searched by computer, and high-resolution vascular wall imaging was collected to evaluate the correlation between the characteristics of intracranial vulnerable plaques and the occurrence and recurrence of ischemic stroke. Two independent evaluators extracted data on study design, vascular wall magnetic resonance imaging techniques, and population characteristics. The odds ratio (OR) or hazard ratio (HR) of different vulnerable plaque features were calculated and combined using fixed effects models. Subgroup analysis, sensitivity analysis and publication bias assessment were also performed.Results Twenty-four articles met the inclusion criteria. In 19 retrospective studies, plaque enhancement (OR: 8.84, 95% CI: 6.21-12.59) and intra-plaque bleeding (OR: 5.23, 95% CI: 3.60-7.59) were significantly associated with ischemic stroke. In five prospective studies, plaque enhancement (HR: 5.21, 95% CI: 2.92-9.31) and intra-plaque bleeding (HR: 2.07, 95% CI: 1.41-3.02) were significantly associated with recurrent ischemic stroke.Conclusions According to the existing studies on symptomatic intracranial atherosclerotic plaque, plaque enhancement and intracplaque hemorrhage are closely related to the occurrence and recurrence of ischemic stroke. Prospective, large-sample size, high-resolution magnetic resonance vascular wall imaging studies on intracranial plaques are needed in the future to improve clinical decision making for intracranial atherosclerotic plaques.
[Keywords] vulnerable plaque;stroke;stroke recurrence;magnetic resonance imaging;high-resolution vessel wall imaging;Meta analysis

WANG Zehua   GAO Yang*   WU Qiong   HE Jinlong   LUO Tong   WANG Liwen  

Department of Radiology, the First Clinical Medical College of Inner Mongolia Medical University, Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China

Corresponding author: Gao Y, E-mail: 1390903990@qq.com

Conflicts of interest   None.

ACKNOWLEDGMENTS Healthcare and Technology Plan Project of Inner Mongolia Autonomous Region (No. 202201250).
Received  2023-01-24
Accepted  2023-04-07
DOI: 10.12015/issn.1674-8034.2023.04.004
Cite this article as: WANG Z H, GAO Y, WU Q, et al. Meta analysis of correlation between characteristics of vulnerable intracranial plaque and occurrence and recurrence of ischemic stroke[J]. Chin J Magn Reson Imaging, 2023, 14(4): 16-21. DOI:10.12015/issn.1674-8034.2023.04.004.

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