急性心肌梗死后心脏生物标志物的变化及其与左心功能和左心室重构的关系

被引:7
作者
李旭
王迪
罗世红
机构
[1] 云南省玉溪市人民医院心内科
关键词
急性心肌梗死; 心脏生物标志物; 左心功能; 左心室重构;
D O I
暂无
中图分类号
R542.22 [];
学科分类号
1002 ; 100201 ;
摘要
目的研究急性心肌梗死(AMI)后心脏生物标志物的变化及其与左心室功能和左心室重构的关系。方法选取45例AMI并于12 h内成功施行直接经皮冠状动脉介入治疗(PPCI)的患者作为研究对象,分别于AMI后第2天、第1周、第1个月监测心脏生物标志物如高敏C-反应蛋白(hs-CRP)、肌钙蛋白(TnI)、N末端脑钠肽前体(NT-pro-BNP)等的血浆浓度;测量AMI后3个月时左心功能[选取左室射血分数(LVEF)为测量指标]和左心室重构[选取左室舒张末内径(LVED)作为测量指标],并比较它们之间的关系。结果 hs-CRP、TnI在PPCI后第2天~第1个月持续显著下降,NT-pro-BNP在PPCI后第2天~第1周显著下降(P<0.05),第1周~第1个月无显著变化。再灌注2 d后,hs-CRP血浆浓度与LVEF、LVED有相关性,且相关性较好;第2天与第1周的TnI与LVEF有相关性,且相关性较好;血清NT-pro-BNP在第2天与LVEF有相关性,在第1周、第1个月与LVEF、LVED有相关性,相关性较好。第2天的hs-CRP、TnI与3个月后的LVEF呈负相关,相关性较好;与3个月后的LVED相关,相关性较好。结论 AMI后1个月内,hs-CRP、TnI持续显著降低,1周内NT-pro-BNP显著降低。第2天的hs-CRP和TnI能预测3个月的左心功能、左心室重构。
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