CHANCE研究:氯吡格雷-阿司匹林预防卒中复发的中国数据

2014-06-24 佚名 睿医资讯

关于疾病: 短暂性脑缺血发作(TIA)和急性轻型卒中均为常见病,往往会导致残疾的发生。而TIA或轻型缺血性卒中后数周内又常有卒中发生。TIA或轻型卒中后再发卒中的风险很高,3个月内的发生率约为10-20%,多数发生于2天内。 关于治疗: 抗血小板治疗在卒中二级预防中的作用以得到确证。阿司匹林-氯吡格雷双联疗法可减少急性冠脉综合症患者的缺血性时间复发风险。尽管大规模试验未能发现使用该疗法对

关于疾病:

短暂性脑缺血发作(TIA)和急性轻型卒中均为常见病,往往会导致残疾的发生。而TIA或轻型缺血性卒中后数周内又常有卒中发生。TIA或轻型卒中后再发卒中的风险很高,3个月内的发生率约为10-20%,多数发生于2天内。

关于治疗:

抗血小板治疗在卒中二级预防中的作用以得到确证。阿司匹林-氯吡格雷双联疗法可减少急性冠脉综合症患者的缺血性时间复发风险。尽管大规模试验未能发现使用该疗法对卒中后缺血性事件的二级预防有益,但既往研究并未涉及到卒中后的早期、高危期。实际上,有3项小规模先期试验已经表示轻型卒中或TIA患者使用该联合疗法可取得受益且极少安全隐患。

中国数据

1) 中国每年有近300万新发卒中事件,其中约30%为轻型缺血性卒中。

2) 中国的TIA发生率尚无准确数据,根据其他国家的发病率推算,中国每年有200万以上TIA病例。

3) 中国因卒中而死亡的人数约为150-250 /10万人年,是美国的5倍。

4) 一些患者无法负担先进的诊疗工具;二级预防实施并不严格;卒中类型的分布情况与发达国家不同。

关于CHANCE研究:

1)研究假设——与阿司匹林单药治疗相比,使用氯吡格雷-阿司匹林联合疗法治疗3个月可降低急性高危TIA或轻型缺血性卒中患者卒中复发的风险

2)研究设计——随机、双盲、安慰剂对照

3)研究过程

4)研究结果

5)有统计学意义的差异

6)两组患者的无卒中存活数据

要点回顾:

★ CHANCE研究完全在中国进行,受试人群为复发缺血风险很高且出血风险较低的患者。

★ 症状发生后24小时内,高危TIA或轻型缺血性卒中患者在阿司匹林的基础上加用氯吡格雷可使之后的卒中风险降低32%,且不会增加出血事件的发生。

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    2015-07-05 qing1231990

    双抗对于轻型卒中和高危TIA都是有效的,学习了

    0

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    2014-06-26 chendoc247
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    2014-06-26 chendoc247

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