心率变化参数与急性心肌梗塞患者的短期预后之间的关系
Chun-Mei Wang1, Tao-Tao Su2, Yang Yue2
1Department of Ecocardiology, The First Affiliated Hospital of Anhui Medical University, Anhui, China.
概括
心率变化 (HRV) 和心肌损伤标志物预测急性心肌梗塞 (AMI) 患者的短期不良事件. 将这些标记物结合在一起,为预测不良结果提供了最高的诊断效果.
科学领域:
- 心脏病学 心脏病学
- 生物医学工程 生物医学工程
- 临床医学 临床医学
背景情况:
- 急性心肌梗塞 (AMI) 存在短期不良事件的重大风险.
- 心率变化 (HRV) 是一种反映自主神经系统功能的非侵入性测量.
- 心肌损伤标志物提供了关于心脏损伤后AMI的见解.
研究的目的:
- 调查急性心肌梗塞 (AMI) 患者心率变化 (HRV) 和短期不良结果之间的关联.
- 确定不良事件的独立预测因素,包括在AMI后重新入院或死亡.
- 评估HRV参数和心肌损伤标志物的联合预测能力.
主要方法:
- 对245名AMI患者的临床数据的回顾性分析,这些患者在出院后被跟踪了一年.
- 具有和没有不良事件的患者之间的临床特征的比较.
- 单变量和多变量分析以确定独立的风险因素和使用ROC曲线的诊断疗效评估.
主要成果:
- 单变量分析确定了与不良事件相关的年龄,高脂血症,HRV参数 (SDNN,SDANN,RMSSD,PNN50,LF/HF) 和心肌损伤标志物 (CK-MB,cTnI,NT-proBNP) (p <0.05).
- 多变量分析证实SDNN下降,SDANN下降,LF/HF增加,CK-MB,cTnI和NT-proBNP升高作为独立预测因素.
- 结合HRV参数和心肌损伤标志物,在预测不良结果方面显示出最高的诊断效果.
结论:
- 短期不良事件在AMI患者中很常见.
- HRV参数和心肌损伤标志物都是这些不良结果的重要独立预测因素.
- 结合HRV和心肌损伤标志物可以提高AMI中不良事件的预测准确度.
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