运动热适应对2型糖尿病患者心脏自主神经调节的影响：一项初步研究。
Effect of exercise-heat acclimation on cardiac autonomic modulation in type 2 diabetes: a pilot study.
作者信息
Macartney Michael J, Notley Sean R, Herry Christophe L, Sigal Ronald J, Boulay Pierre, Kenny Glen P
机构信息
Centre for Medical and Exercise Physiology, Faculty of Science Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia.
Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, ON K1N 6N5, Canada.
出版信息
Appl Physiol Nutr Metab. 2021 Mar;46(3):284-287. doi: 10.1139/apnm-2020-0785. Epub 2020 Nov 17.
The effects of exercise-heat acclimation on heart rate variability (HRV) in individuals with type 2 diabetes (T2D) remains unclear. We assessed electrocardiogram recordings during exercise-heat stress in middle-aged-to-older individuals (50-70 years) with ( = 6) and without (control; = 8;) T2D, before and after 7 days of exercise-heat acclimation. Exercising heart rate was reduced (control, -9 ± 5 bpm; T2D, -14 ± 9 bpm) yet HRV was not significantly different. Given the negative correlations between diminished HRV and cardiac risk observed in the scientific literature, further research is warranted. Our observations indicate that 7 days exercise-heat acclimation may not effectively attenuate the deviation toward reduced overall HRV and unfavourable cardiac autonomic modulation in individuals with T2D.
运动热适应对2型糖尿病（T2D）患者心率变异性（HRV）的影响尚不清楚。我们评估了50至70岁患有（n = 6）和未患有（对照组；n = 8）T2D的中老年个体在运动热应激期间的心电图记录，记录时间为运动热适应7天之前和之后。运动心率降低了（对照组，-9±5次/分钟；T2D组，-14±9次/分钟），但HRV没有显著差异。鉴于科学文献中观察到HRV降低与心脏风险之间存在负相关，有必要进行进一步研究。我们的观察结果表明，7天的运动热适应可能无法有效减弱T2D患者整体HRV降低和心脏自主神经调节不良的偏差。
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