高量体力活动和临床冠状动脉疾病结果:库珀中心长度研究的结果
Jarett D Berry1,2, Noor Zabad1, Douglas Kyrouac2
1Department of Internal Medicine, University of Texas at Tyler School of Medicine (J.D.B., N.Z.).
Circulation
|April 21, 2025
概括
大量的体力活动降低了全因死亡风险,但并没有减少临床冠状动脉疾病 (CAD) 的发生. 冠状动脉 (CAC) 不论运动量如何都会增加CAD的风险.
科学领域:
- 心脏病学
- 运动生理学
- 预防医学
背景情况:
- 大量的体力活动与亚临床冠状动脉疾病 (CAD) 的增加有关.
- 亚临床CAD对运动员的临床影响和PA对CAD事件的剂量反应尚未完全理解.
研究的目的:
- 为了研究不同体积的PA,亚临床CAD和临床CAD事件之间的关联.
- 确定亚临床CAD是否会改变PA与临床结果之间的关系.
主要方法:
- 使用了与医疗保险索赔相关的库珀中心纵向研究 (1987-2018) 的数据.
- 通过冠状动脉度 (CAC) 评价分类PA体积 (MET-分钟/周) 和亚临床CAD.
- 使用生存分析来评估PA,CAC和复合CAD事件 (心肌梗塞,再血管) 或全因死亡率之间的关联.
主要成果:
- 中期PA量 (每周500- 2999MET分钟) 与急性心肌梗塞的风险较低.
- 大量的PA (≥3000MET-分钟/周) 没有显著的关联与急性心肌梗塞风险,但与较低的全因死亡率有关.
- 在所有PA水平中,CAC是复合CAD事件的一致预测因子,没有发现显著的相互作用.
结论:
- 大量的PA与全因死亡率降低有关,但不一定降低临床CAD事件的风险.
- 不管个体的血压大小如何,亚临床 CAD 随着 CAC 的指示,会增加临床 CAD 事件的风险.
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