Endothelial Dysfunction and Parenchymal Hematoma in Ischemic Stroke Patients after Endovascular Thrombectomy

Author:

Zhang XiaohaoORCID,Gong Pengyu,Chen Shuaiyu,Wan Ting,Wang Xiaoke,Wang Meng,Zhou Junshan,Xie Yi,Jiang Teng

Abstract

Introduction: Endothelial dysfunction (ED) may result in parenchymal injury and therefore worsen the outcomes of ischemic stroke. This study aimed to determine whether ED could predict parenchymal hematoma (PH) in ischemic stroke patients treated with endovascular thrombectomy (EVT). Methods: Patients with large artery occlusion in the anterior circulation and treated with EVT were prospectively enrolled from 2 stroke centers. Serum soluble intercellular adhesion molecule-1, soluble vascular cell adhesion molecule-1, soluble E-selectin, and von Willebrand factor (vWF) were tested and summed to a standardized score to reflect the levels of ED. PH was diagnosed according to the Heidelberg Bleeding Classification. Results: Of the 325 enrolled patients (mean age, 68.6 years; 207 men), 41 (12.6%) developed PH. Patients with PH had higher concentrations of soluble E-selectin, vWF, and ED sum score. After adjusting for demographic characteristics, National Institutes of Health Stroke Scale score, pretreatment Alberta stroke program early computed tomography score, and other potential confounders, the increased ED burden was associated with PH (odds ratio, 1.432; 95% confidence interval, 1.031−1.988; p = 0.032). Similar significant results were found in the sensitivity analysis. The multiple-adjusted spline regression model showed a linear association between the total ED score and PH (p = 0.001 for linearity). Adding the ED score to the conventional model significantly improved the risk prediction of PH (net reclassification improvement = 25.2%, p = 0.001; integrated discrimination index = 2.9%; p = 0.001). Conclusions: This study demonstrated that ED might be related to PH. Introducing the ED score could increase the reliability of the PH risk model for stroke patients treated with EVT.

Publisher

S. Karger AG

Subject

Cardiology and Cardiovascular Medicine,Neurology (clinical),Neurology

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