休时间的体力活动,每天坐着的时间,心血管疾病患者的死亡风险:一项前性队列研究
Changnan Xu1, Kai Jin2, Yike Sun3
1Physical Education Department, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
Frontiers in cardiovascular medicine
|October 20, 2025
概括
参与足够的休时间体育活动 (LTPA) 并最大限度地减少每日坐时间 (DST) 显著降低心血管疾病 (CVD) 患者的死亡风险. 这凸显了运动和减少久坐不动行为对于改善健康结果的重要性.
科学领域:
- 心血管健康 心血管健康
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 心血管疾病 (CVD) 是全球主要的死亡原因.
- 休时间体育活动 (LTPA) 和每日坐时间 (DST) 影响健康,但它们对心血管疾病患者死亡率的综合影响需要更多的研究.
研究的目的:
- 调查LTPA和DST与美国心血管疾病成年人群死亡风险的独立和联合关联.
主要方法:
- 一项前性队列研究分析了来自NHANES (2007-2018) 的2335名患有心血管疾病的美国成年人.
- LTPA被分类为 (不活跃,不足,足够),DST被分组为 (0-<6,6-<8,≥8小时/天).
- 通过国家死亡指数追踪死亡率数据,并使用Cox比例危险模型进行分析.
主要成果:
- 足够的LTPA (≥150分钟/周) 与所有原因,心血管疾病和非心血管疾病死亡率显著降低有关.
- 每增加60分钟/周的LTPA与较低的死亡风险相关.
- 高DST (≥8小时/天) 与所有原因,心血管疾病和非心血管疾病死亡率的风险增加有关.
- 较低的死亡风险是在具有足够的LTPA和DST<6小时/天的个体中观察到的.
结论:
- 增加LTPA和减少DST可能为降低心血管疾病患者的死亡率提供显著的好处.
- 侧重于身体活动和久坐行为的生活方式的修改对于管理心血管疾病患者的结果至关重要.
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