脑梗死患者阿司匹林抵抗的临床特征分析

被引:7
作者
许二赫
马中华
贾建平
机构
[1] 首都医科大学宣武医院神经内科
关键词
脑梗死; 阿司匹林抵抗; 血小板聚集;
D O I
暂无
中图分类号
R743.3 [急性脑血管疾病(中风)];
学科分类号
1002 ;
摘要
目的探讨服用小剂量阿司匹林患者的阿司匹林抵抗(AR)现象及其影响因素。方法入选258例脑梗死患者,每日服用阿司匹林100mg,连服10d后,分别用花生四烯酸(AA)、二磷酸腺苷(ADP)作诱导剂检测血小板聚集率。满足AA诱导的血小板平均聚集率≥20、ADP诱导的血小板平均聚集率≥70两项者为AR;仅满足其中一项为阿司匹林半抵抗(ASR);均不满足者为阿司匹林敏感(AS)。用统计学方法分析各组间各项临床特征差异及影响AR与ASR的独立危险因素。结果258例患者中AR发生率为6.20,ASR发生率为31.39。与AS相比,AR+ASR中以女性、高龄、糖尿病及高血压患者较多,吸烟者较少。Logistic回归分析表明,糖尿病〔相对比值比(OR)=0.945,95可信区间(CI)0.423~0.776,P=0.023〕和高血压(OR=0.412,95CI0.256~0.891,P=0.054)是发生AR与ASR的独立危险因素。不吸烟者发生AR与ASR的危险性升高(OR=2.471,95CI1.072~4.471,P=0.052)。结论(1)服用阿司匹林的患者中AR发生率为6.20;发生AR与ASR可能与糖尿病、高血压等因素有关,不吸烟者发生AR与ASR的危险性升高。(2)ASA用于抗血小板治疗及预防动脉硬化事件的脑血管病患者,若有AR存在,应及时换用其他安全有效的抗血小板制剂。因阿司匹林需要长期应用,今后预测AR及抗血小板治疗个体化,将是未来抗血小板治疗的研究方向。
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页码:2333 / 2335
页数:3
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