摘要阿司匹林作为临床常用抗血小板聚集药物，可有效降低老年急性脑梗死患者再次严重血管事件的发生率，防治指南指出其使用剂量50～325 m g ，关于剂量变动与疗效、安全性的相关性并未予明确阐述［1］。本研究主要分析急性脑梗死患者服用100 mg与300 mg阿司匹林对疗效与安全性的影响，以期为临床治疗方案的制定提供依据，报告如下。
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