在患有或没有2型糖尿病的老年男性成年人中,急性运动后心血管调节
João Luís Marôco1,2,3, Inês Arrais2,3, Tiago Silvestre2,4
1Integrative Human Physiology Laboratory, Manning College of Nursing & Health Sciences, University of Massachusetts Boston, Boston, MA, USA.
European journal of applied physiology
|December 20, 2023
概括
高强度间歇运动对健康成年人的心率变化和巴罗反射敏感性产生影响,但对患有2型糖尿病的人没有影响. 患有2型糖尿病的老年人在休息和运动后表现出心脏自主功能受损.
科学领域:
- 运动生理学 运动生理学
- 自主功能 自主功能
- 心血管健康 心血管健康
背景情况:
- 2型糖尿病 (T2DM) 与自主功能障碍有关.
- 了解T2DM中的运动反应对于心血管健康至关重要.
- 年龄和疾病状况可能会影响对运动的自主反应.
研究的目的:
- 研究高强度间歇运动 (HIIE) 和中度连续运动 (MICE) 对心率变化 (HRV) 和巴罗反射灵敏度 (BRS) 的急性影响.
- 为了比较这些反应在老年人与没有T2DM,和健康的年轻人.
- 为了确定运动后自主恢复的疾病和年龄相关差异.
主要方法:
- 12名患有T2DM的老年人,12名没有T2DM的老年人以及12名健康的年轻人参与了这项研究.
- 参与者接受了同热量HIIE,MICE和随机顺序的非运动对照条件.
- 评估HRV和BRS使用从卧卧记录的时间和频率域分析.
主要成果:
- 在没有T2DM的成年人中,HIIE,但不是MICE,降低了HRV指数 (Ln-RMSSD,Ln-HF功率) 和BRS,在60分钟内恢复.
- 这些HRV和BRS指数在两种运动类型后,在患有T2DM的老年人中保持不变.
- 与年龄相匹配的对照组相比,患有T2DM的老年人表现出较低的休息Ln-RMSSD和BRS.
结论:
- 运动后心血管调节在没有T2DM的成年人中是强度依赖的,并且不依赖年龄.
- 患有T2DM的老年人在休息时表现出心脏自主功能受损.
- 有氧运动不会急剧改变T2DM老年人的自主功能,突出疾病特异性损伤.
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