急性冠状动脉综合征和稳定性冠状动脉疾病患者血清miR-133a水平变化的初步探讨

被引:2
作者
吴嘉
宋佳希
刘婷
牛冬梅
汪俊军
机构
[1] 南京军区南京总医院临床检验科
关键词
冠状动脉疾病; 急性冠状动脉综合征; 微RNAs; 生物学标记;
D O I
暂无
中图分类号
R541.4 [冠状动脉(粥样)硬化性心脏病(冠心病)];
学科分类号
100201 [内科学];
摘要
目的探讨急性冠状动脉综合征(ACS)和稳定性冠状动脉性心脏病(SCAD)患者血清miR-133a的水平变化及临床价值。方法回顾性研究。选取2011年10月至2012年10月期间南京军区南京总医院住院的64例ACS、62例SCAD患者及70名常规体检的健康对照者, 其中ACS和SCAD根据欧洲心脏病学会发布的诊断标准;采用TaqMan实时荧光定量PCR技术检测血清miR-133a水平;同时分析其血脂、心肌损伤指标及冠状动脉疾病Gensini积分;采用ROC曲线分析计算曲线下面积(AUC)及其95%置信区间(CI), 多项Logistic回归分析计算风险比(OR)值及其95%CI。结果与健康对照者[ΔCt: 1.00±0.05]相比, ACS[ΔCt: 2.34±0.24] (t=6.059,P<0.001)和SCAD[ΔCt: 1.45±0.13] (t=3.265,P=0.001)患者血清miR-133a水平均显著升高, 且ACS患者miR-133a水平显著高于SCAD患者(t=3.133,P=0.002)。相关性分析显示, ACS和SCAD患者血清miR-133a水平与心肌型肌酸激酶同工酶(CK-MB) (r=0.402,P<0.001)、肌钙蛋白I (cTNI) (r=0.410,P=0.001)及Gensini积分(r=0.438,P<0.001)呈正相关。ROC曲线分析显示, 血清miR-133a区分冠状动脉疾病(CAD)患者与健康对照者的AUC为0.717 (95%CI: 0.645~0.788,P<0.001);区分ACS与SCAD患者的AUC为0.667 (95%CI: 0.573~0.761,P=0.001)。Logistic回归分析显示, 在校正了年龄、性别及血脂水平的影响后, 血清miR-133a水平的升高与ACS (OR=6.00, 95%CI: 1.93~18.67,P=0.002)、SCAD (OR=2.81, 95%CI: 1.03~7.68,P=0.044)的发生相关, 且对ACS、SCAD的区分具有显著意义(OR=2.13, 95%CI: 1.20~3.78,P=0.010)。结论 CAD患者血清miR-133a水平显著升高, 且ACS患者的水平变化较SCAD患者更为显著;血清miR-133a可能是CAD病情评估与判断的潜在标志物。(中华检验医学杂志, 2015, 38:686-690)
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