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eNOS基因多态性与老年射血分数保留心力衰竭预后的相关性 被引量:3

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摘要 目的 探讨内皮型一氧化氮合酶(e NOS)基因G894T多态性对老年射血分数保留的心力衰竭(HFPEF)预后的影响。方法 老年HFPEF患者240例,用聚合酶链反应及基因芯片技术等方法测定其基因型并根据基因型分组,对各组患者的临床特征以及心力衰竭预后指标进行比较。结果 e NOS TT、GT、GG三组患者相比较,其NYHA心功能分级,心率变异性,6 min步行距离均有显著差异(P〈0.05);COX生存分析显示,e NOS TT型是HFPEF的危险因素,其Wald值13.519,相对危险度1.018,95%CI 1.009-1.029。结论 e NOSTT可能是HFPEF的易感基因。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2016年第3期587-589,共3页 Chinese Journal of Gerontology
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