医学
临床终点
内科学
比例危险模型
回顾性队列研究
心脏病学
冲程(发动机)
缺血性中风
队列
缺血
随机对照试验
机械工程
工程类
作者
Meng Wang,Yuyuan Yang,Yajuan Wang,Moxin Luan,Lulu Xu,Meixiang Zhong,Xueping Zheng
摘要
Antiplatelet therapy (APT) plays an important role in the prevention of ischaemic stroke (IS). Our aim was to assess the influence of short-term single APT (SAPT) and dual APT (DAPT) on the prognosis of patients with acute IS with and without cerebral microbleeds (CMBs). We conducted a single-centre, retrospective, observational cohort study of patients with acute IS who underwent susceptibility-weighted imaging (SWI) to determine the presence of CMBs between January 2015 and December 2020. The patients were treated with either DAPT or SAPT and followed up for at least 2 years. The primary endpoint was a composite of recurrent IS and intracerebral haemorrhage (ICH), while either recurrent IS or ICH was considered as other endpoints. We computed weighted Kaplan-Meier curves and identified risk factors using the Cox proportional hazards model. Among the 581 enrolled patients, those with CMBs (n = 225; P = 0.004) had a higher risk of the primary endpoint than those without CMBs (n = 356), especially higher risk of recurrent IS (P = 0.029). In the SAPT group, the presence of CMBs increased the risk of the primary endpoint (P = 0.013), especially that of recurrent IS (P = 0.019). In the DAPT group, the occurrence of ICH was higher in patients with CMBs (P = 0.031). The CMB distribution did not influence the risk of recurrent IS or ICH. In patients with acute IS and CMBs, DAPT may offset the risk of recurrent IS due to CMBs but increase the risk of ICH.
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