冠心病患者体能对补液前后迷走神经再入及心率恢复的影响

IF 1.3 4区 医学 Q4 PHYSIOLOGY Clinical Physiology and Functional Imaging Pub Date : 2023-04-25 DOI:10.1111/cpf.12824
Júlio César d. Á. Soares, Maria Júlia L. Laurino, Anne K. F. d. Silva, Lorena A. Santos, Luiz Carlos M. Vanderlei
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引用次数: 0

摘要

背景运动中的补液已被研究为提高恢复的一种重要策略,然而,还需要研究这种策略在不同身体状况下的效果。本研究的目的是研究冠状动脉疾病(CAD)患者在进行有或无补液运动后,身体素质对迷走神经折返和心率恢复的影响。方法非随机交叉临床试验。对33例CAD患者进行了心肺运动试验:将样本分为VO2峰值较低和较高的两组;(II) 控制方案(CP):包括休息、有氧运动和被动恢复;(III) 水合方案(HP):由与CP相同的活动组成,但在运动过程中有水分摄入。运动后立即通过迷走神经折返和心率恢复来评估恢复情况。结果VO2高峰值组和低峰值组之间的结果没有显著差异。此外,所采用的水合策略无法在对照组和HP之间引起显著变化,无论组如何。然而,观察到了时间效应,这表明预期HP会出现迷走神经再激活和心率下降。结论体育锻炼对冠心病患者运动后迷走神经折返和心率恢复无影响。然而,无论个体的身体状况如何,水合策略似乎都能预测迷走神经的重新进入,并能更有效地降低心率,但由于各组和方案之间没有显著差异,因此应谨慎分析这些结果。
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Influence of physical fitness of coronary disease patients on vagal reentry and heart rate recovery after exercise with and without fluid replacement

Background

Fluid replacement during exercise has been studied as an important strategy to enhance recovery, however, studies are needed to investigate the effect of this strategy in different physical profiles. The aim of the study was to investigate the influence of physical fitness of coronary artery disease (CAD) patients on vagal reentry and heart rate recovery after exercise performed with and without fluid replacement.

Methods

Nonrandomized crossover clinical trial. Thirty-three CAD patients were submitted to (I) cardiopulmonary exercise test: to divide the sample into lower and higher VO2 peak groups; (II) control protocol (CP): composed of rest, aerobic exercise and passive recovery; (III) hydration protocol (HP): composed of the same activities as the CP, but with water intake during exercise. The recovery was evaluated by vagal reentry and heart rate recovery immediately after exercise.

Results

The results did not show significant differences between the higher and lower VO2 peak groups. In addition, the hydration strategy adopted was not able to cause significant changes between control and HPs, regardless of group. However, a time effect was observed, suggesting anticipation of vagal reactivation and heart rate reduction in HP.

Conclusions

Physical fitness did not influence vagal reentry and heart rate recovery in CAD patients after exercise. However, the hydration strategy seems to have anticipated vagal reentry and produced a more efficient reduction in heart rate regardless of the individuals’ physical fitness, but these results should be analyzed with caution due to the absence of significant differences between groups and protocols.

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来源期刊
CiteScore
3.40
自引率
5.60%
发文量
62
审稿时长
6-12 weeks
期刊介绍: Clinical Physiology and Functional Imaging publishes reports on clinical and experimental research pertinent to human physiology in health and disease. The scope of the Journal is very broad, covering all aspects of the regulatory system in the cardiovascular, renal and pulmonary systems with special emphasis on methodological aspects. The focus for the journal is, however, work that has potential clinical relevance. The Journal also features review articles on recent front-line research within these fields of interest. Covered by the major abstracting services including Current Contents and Science Citation Index, Clinical Physiology and Functional Imaging plays an important role in providing effective and productive communication among clinical physiologists world-wide.
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