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血清cTnI、CK-MB及超声心动图检测对老年急性心肌梗死患者诊断的临床意义 被引量:61

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摘要 目的分析老年急性心肌梗死(AMI)患者血清中心肌损伤标志物肌钙蛋白(cTnI)及肌酸激酶同工酶(CK-MB)表达及水平变化情况,探讨cTnI、CK-MB及超声心动图检测对老年AMI的诊断价值。方法选取老年AMI患者60例作为观察组,另纳入同期接受治疗的不稳定性心绞痛老年患者60例作为对照组,两者均采用超声心动图检测,比较两组血清心肌损伤标志物cTnI及CK-MB表达及水平变化。结果观察组血清cTnI、CK-MB水平显著高于对照组(P <0. 05);以0. 997 pg/L为截点值,cTnI诊断老年AMI的敏感性为85. 00%,特异性为88. 33%;以42. 573 U/L为截点值,CK-MB诊断老年AMI的敏感性为75. 00%,特异性为76. 67%; cTnI联合超声心动图诊断老年AMI的敏感性为96. 67%,特异性为75. 00%,与单项cTnI及超声心动图诊断价值比较,差异均有统计学意义(P<0. 05)。结论血清cTnI联合超声心动图检测可显著提高对老年AMI心肌梗死的诊断率,减少漏诊率。
作者 周遊 马长胜
出处 《中国老年学杂志》 CAS 北大核心 2019年第3期531-533,共3页 Chinese Journal of Gerontology
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