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老年急性心肌梗死患者血清miR-18a水平及意义 被引量:7

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摘要 目的探讨老年急性心肌梗死(AMI)患者血清miR-18a水平及临床意义。方法选择老年AMI患者90例作为AMI组,老年健康体检者90例作为对照组。采用逆转录-聚合酶链反应(RT-PCR)测定血清miR-18a水平,采用酶联免疫吸附试验(ELISA)测定血清心肌肌钙蛋白(c Tn T)、肌酸激酶同工酶(CK-MB)、生长分化因子(GDF)-15、转化生长因子(TGF)-β1水平。采用心脏超声心动图测定心功能。结果 AMI组血清miR-18a、c Tn T、CK-MB、GDF-15、TGF-β1水平显著高于对照组,差异有统计学意义(P<0. 05)。AMI组左心室射血分数(LVEF)显著低于对照组,差异有统计学意义(P<0. 05),左心室舒张末容积(LVEDV)、左心室舒张末内径(LVEDD)显著高于对照组,差异有统计学意义(P<0. 05)。双支血管病变和3支血管病变AMI患者血清miR-18a水平显著高于单支血管病变者,差异有统计学意义(P<0. 05),3支血管病变AMI者血清miR-18a水平高于双支血管病变者,差异有统计学意义(P<0. 05)。PCI治疗治疗后血清miR-18a水平显著低于治疗前(P<0. 05)。AMI患者血清miR-18a水平与血清c Tn T、CK-MB、GDF-15、TGF-β1水平呈正相关(P <0. 05)。AMI患者血清miR-18a水平与LVEF呈负相关(P<0. 05),与LVEDV和LVEDD呈正相关(P<0. 05)。结论老年AMI患者血清miR-18a水平升高,参与心肌损伤和心肌重构,在老年AMI的诊断、病情评估及疗效评估中具有一定价值。
出处 《中国老年学杂志》 CAS 北大核心 2019年第2期267-269,共3页 Chinese Journal of Gerontology
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