在患有急性冠状动脉综合征后的患者中,个体运动训练反应和心电图形态
Elina Roiha1,2, Juha Perkiömäki1,2, Antti M Kiviniemi1,2
1Research Unit of Biomedicine and Internal Medicine, University of Oulu, Oulu, Finland.
Physiological reports
|December 3, 2025
概括
经过运动训练的急性冠状动脉综合征 (ACS) 后患有保存的射出分数的患者表明,P波终端力 (PTF) 指示的左心房扩张与运动能力不佳的反应有关. 这一发现凸显了PTF作为ACS恢复的潜在预测因素.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
背景情况:
- 患有急性冠状动脉综合征 (ACS) 和保存左心室喷射分数 (LVEF) 的患者经常接受皮肤冠状动脉干预 (PCI).
- 经过PCI后的运动训练对于恢复至关重要,但个人的反应各不相同.
- 在这个人群中,运动训练反应的预测因素需要进一步研究.
研究的目的:
- 为了研究基线心电图 (ECG) 参数和心率变化 (HRV) 与 ACS 患者的运动训练反应之间的关联.
- 确定在PCI后6个月的运动训练计划后,运动能力改善的预测因素.
主要方法:
- 一组45名患有ACS和PCI后保存LVEF的患者参加了为期6个月的运动训练计划.
- 基线测量包括运动能力,LVEF,静止心电图和24小时的霍尔特监测.
- 分析包括时间和频率域HRV,索科洛-里昂指数,P波终端力 (PTF) 和P波持续时间.
- 根据运动能力变化,患者被分为低响应者,平均响应者和高响应者.
主要成果:
- 在运动反应组之间观察到基线PTF和P波持续时间的显著差异 (分别p < 0.0001和p = 0.002).
- 较高的基线PTF和较长的P波持续时间与较低的运动能力反应有关.
- 没有其他心电图参数,临床因素 (性别,年龄,基线健康状况,LVEF) 或训练负载 (TRIMP) 预测了训练反应.
结论:
- 左心房扩张,如表面心电图上的PTF所示,与保持LVEF的ACS患者对训练的运动能力反应减弱有关.
- PTF可以作为一种非侵入性标志物,用于识别患有心脏康复计划不理想结果风险的患者.
- 需要进一步的研究来探索PTF在ACS恢复和定制康复策略中的临床影响.
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