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. 2025 May 19:21:715-725.
doi: 10.2147/TCRM.S522253. eCollection 2025.

Elevated MPV: A Key Indicator of Acute Anterior Circulation Stroke Prognosis in Mechanical Thrombectomy

Shi-Yuan Tian  1 , Min-Jie Yu  2 , Kefu Mei  1 , Bing Xu  1 , Lian-Chen Xiao  1 , Hong-Bin Wen  1 , Fu-Rong Shang  1
Affiliations

Elevated MPV: A Key Indicator of Acute Anterior Circulation Stroke Prognosis in Mechanical Thrombectomy

Shi-Yuan Tian et al. Ther Clin Risk Manag. .

Abstract

Objective: The aim of this study is to investigate the relationship between admission platelet indices and 90-day clinical outcomes in patients with acute ischemic stroke (AIS) undergoing mechanical thrombectomy (MT).

Methods: A retrospective analysis was conducted on 247 AIS patients with anterior circulation large vessel occlusion (LVO) treated with MT between July 2021 and April 2024. Platelet indices (PIs) were measured at admission. Participants were stratified into two groups based on 90-day modified Rankin Scale (mRS) outcomes. Multivariate regression analysis and receiver operating characteristic (ROC) curves were employed to evaluate relationships between admission platelet indices, clinical parameters, and functional outcomes.

Results: Among 247 enrolled patients, those with unfavorable outcomes (mRS 3-6) exhibited significantly higher platelet distribution width (PDW) and Mean Platelet Volume (MPV) levels compared to the favorable outcome group (mRS 0-2). Elevated MPV remained an independent predictor of unfavorable outcomes after multivariate adjustment (OR=2.747, 95% CI: 1.791-4.216, P<0.001). ROC analysis identified a MPV threshold >10.75 fL for predicting unfavorable prognosis, demonstrating 55.4% sensitivity and 81.2% specificity.

Conclusion: PDW is associated with unfavorable 90-day outcomes in patients with acute anterior circulation LVO following MT, while elevated MPV may serve as a prognostic indicator for unfavorable functional outcomes in patients with acute anterior circulation LVO following MT.

Keywords: large vessel occlusion; mean platelet volume; mechanical thrombectomy; platelet indices; stroke prognosis.

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Conflict of interest statement

The authors declare no conflicts of interest in this work.

Figures

Figure 1
Figure 1
Flowchart of Study Population Selection.
Figure 2
Figure 2
ROC Analysis of Mean Platelet Volume (MPV) for Predicting Unfavorable Outcomes.
Figure 3
Figure 3
Differences in the distribution of the mRS at 90-day follow-up between MPV>10.75fL and MPV≤10.75fL.
See this image and copyright information in PMC

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