在肥胖与非肥胖成年人中对submaximal跑步机运动的心血管参数的评估
Aditya Gupta1, Ravinder Garg1, Sumit Pal Singh Chawla1
1Department of Medicine, Guru Gobind Singh Medical College and Hospital, Faridkot, Punjab, India.
与正常体重的个人相比,肥胖的成年人表现出明显更高的血压,延长的QT间隔,以及运动后心率恢复的延迟. 这些发现凸显了肥胖症中心血管风险的增加,强调了早期检测和干预的必要性.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 公共卫生 公共卫生
背景情况:
- 肥胖会增加心血管疾病 (CVD) 的风险,无论代谢状态如何.
- 了解肥胖个体运动期间和运动后的心血管反应对于公共健康至关重要.
- 延迟心率恢复 (HRR),过度血压 (BP) 反应,以及运动后延长的QT间隔预测心血管疾病和死亡率.
研究的目的:
- 为了比较肥胖与非肥胖成年人在次最大跑步机运动期间和之后的心血管参数.
主要方法:
- 80名成年人 (40名肥胖者,40名正常体重者) 接受了submaximal跑步机运动 (布鲁斯方案).
- 测量参数包括心率 (HR),静脉血压 (SBP),静脉血压 (DBP),平均动脉压 (MAP),QT和纠正的QT (QTc) 间隔以及速率压力产物 (RPP).
- 测量是在运动前,运动后,运动后1分钟和5分钟进行的.
主要成果:
- 与非肥胖者相比,肥胖者在运动后立即和5分钟内显著增加HR.
- 在所有测量阶段,肥胖个体的SBP,DBP,MAP和RPP显著更高.
- 在所有阶段的肥胖患者中,QT和QTc间隔显著更大.
结论:
- 肥胖的受试者呈现出更高的静止血压,QT/QTc间隔和RPP,以及对运动的过度反应.
- 在肥胖个体中观察到延迟HRR,这表明自主功能的改变与同情性多动性.
- 这些发现表明肥胖人口中心血管疾病风险增加,需要有针对性的干预措施.
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