JACC:高灵敏度肌钙蛋白可预测冠状动脉事件

2016-12-20 秋暖 JACC:高灵敏度肌钙蛋白可预测冠状动脉

心肌肌钙蛋白在没有心血管疾病症状或体征的群体中是心血管死亡率的独立预测因子,但是这种关联的机制并不确定,并且肌钙蛋白测试在预防冠心病中的作用也尚未确立。

心肌肌钙蛋白在没有心血管疾病症状或体征的群体中是心血管死亡率的独立预测因子,但是这种关联的机制并不确定,并且肌钙蛋白测试在预防冠心病中的作用也尚未确立。本研究试图确定肌钙蛋白浓度(通过他汀类药物修饰后)是否可以预测冠状动脉事件,并反映一级预防人群中对治疗的反应。WOSCOPS研究(西苏格兰冠状动脉预防研究)将具有升高的低密度脂蛋白胆固醇和没有心肌梗死史的男性随机分配接受普伐他汀40mg每日一次,或接受安慰剂,为期5年。在基线和1年时共有3318名参与者使用高灵敏度方法测量血浆心肌肌钙蛋白I浓度。对于最高(≥5.2ng/l) vs 最低(≤3.1ng/l)四分之一肌钙蛋白浓度(p<0.001),基线肌钙蛋白是冠心病导致心肌梗死或死亡的独立预测因子(风险比[HR]:2.3;95%置信区间[CI]:1.4-3.7)。当肌钙蛋白浓度下降超过一个四分位,而不是增加超过一个四分位时,安慰剂(HR:0.29;95%CI:0.12至0.72 vs HR:1.95;95%CI:1.09至3.49;趋势p<0.001)和普伐他汀(HR:0.23;95%CI:0.10至0.53 vs HR:1.

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    2017-03-11 respect
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    2017-03-29 hbwxf
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