超级马拉松运动员和普通人口之间的P波指数的比较
Narawudt Prasertwitayakij1, Pongsatorn Tungsuk1, Sirianong Namwongprom2
1Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
Physiological reports
|February 17, 2026
概括
超级马拉松运动员在心电图上显示了改变的P波指数,这表明心房重塑. 这些变化可能会增加心律失常风险,因此需要对耐力运动员进行进一步的研究.
科学领域:
- 心脏病学 心脏病学
- 运动医学 运动医学
- 电子生理学 电子生理学
背景情况:
- 高强度耐力运动,如超级马拉松,与心房动 (AF) 的风险增加有关.
- P波指数是AF风险的已知标志物,但它们对超马拉松运动员的具体影响仍未得到研究.
研究的目的:
- 为了研究和比较超级马拉松运动员和健康个体的对照组之间的P波指数.
主要方法:
- 一项涉及74名超级马拉松运动员和38名健康对照者的横截面研究.
- 排除标准包括先前存在的AF,心房,心血管疾病或心脏结构异常.
- 休息的12导电图被用来测量最大P波持续时间,P波分散,P波终端力在V1 (PTFV1) 和P波幅在导II (PWAII).
主要成果:
- 与对照组相比,超级马拉松运动员的最大P波持续时间,P波散射,PTFV1和PWAII显著更高.
- 异常的P波持续时间 (>120毫秒) 和PTFV1 (≥4000μV·ms) 在超级马拉松组中明显更为普遍.
- 这些差异在两性之间持续存在.
结论:
- 超级马拉松跑步者表现出显著的心房电力改造,由异常的P波指数证明.
- 这些发现表明,极端耐力运动与心律失常的风险增加之间存在潜在联系.
- 建议进行纵向研究,以将这些心电图发现与临床结果相关联.
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