在年轻健康的西班牙裔成年人中,对运动和冷压测试的自主反应
Ashlesha Dilip Dalve1, Justo Perez1, Ruby Ama Nyarko1
1Department of Kinesiology and Health Education, College of Education, University of Texas at Austin, Austin, Texas, United States.
概括
年轻的西班牙裔/拉丁裔成年人对运动的反应正常,但对寒冷刺激的血压反应升高. 这表明潜在的早期自主功能障碍,可能有助于该人口的未来心血管风险.
科学领域:
- 心血管生理学心血管生理学
- 自主神经系统功能 自主神经系统功能
- 运动生理学 运动生理学
背景情况:
- 西班牙裔/拉丁裔 (H/La) 个人面临2型糖尿病,肥胖和心血管疾病的风险更高.
- 运动期间异常的血液动力学反应可以提高心血管事件的风险.
- 之前的研究还没有检查H/La群体的运动压力反射.
研究的目的:
- 研究与非西班牙裔白人 (NHW) 成人相比,年轻健康的H/La成人的运动压力反射和肌肉代谢反射.
- 评估H/La与NHW个体对非运动性同情刺激刺激 (冷压测试) 的血压反应性.
- 为了确定潜在的自主调节障碍,有助于心血管风险在H/La人口.
主要方法:
- 招募了48名年轻健康的成年人 (22名H/La,26名NHW).
- 在同位数手握 (30%和40%的最大自愿收缩) 和运动后缺血期间测量节拍血压和心率.
- 使用冷压力测试 (CPT) 来评估压力对非运动交感刺激的反应.
主要成果:
- 在H/La和NHW组之间,在同度手握或运动后缺血期间,平均动脉压增加没有显著差异.
- 与NHW成年人相比,H/La成年人的压力对冷压力测试的压力反应显著增加.
- 西班牙裔/拉丁裔成年人表现出高血压对非运动的同情刺激刺激的反应性.
结论:
- 运动压力反射和肌肉代谢反射在年轻,健康的H/La成年人中没有改变.
- 在H/La成年人中,血压对冷压测试的反应性升高可能表明早期的自主性失调.
- 这种对非运动刺激的增加反应可能会使H/La成年人随着年龄的增长而增加心血管风险和高血压.
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