Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise

Abstract Heart rate variability (HRV), blood pressure variability (BPV), and baroreflex sensitivity (BRS) provide important information on cardiovascular autonomic control. However, little is known about the reorganization of HRV, BPV, and BRS after aerobic exercise. While there is a positive relati...

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Autores principales:	Tábata P. Facioli, Stella V. Philbois, Ada C. Gastaldi, Daniel S. Almeida, Karina D. Maida, Jhennyfer A. L. Rodrigues, Juan C. Sánchez-Delgado, Hugo C. D. Souza
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b45c8eaaf5264934adb4ecb554657180
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spelling	oai:doaj.org-article:b45c8eaaf5264934adb4ecb5546571802021-12-02T12:09:51ZStudy of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise10.1038/s41598-021-83071-w2045-2322https://doaj.org/article/b45c8eaaf5264934adb4ecb5546571802021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83071-whttps://doaj.org/toc/2045-2322Abstract Heart rate variability (HRV), blood pressure variability (BPV), and baroreflex sensitivity (BRS) provide important information on cardiovascular autonomic control. However, little is known about the reorganization of HRV, BPV, and BRS after aerobic exercise. While there is a positive relationship between heart rate (HR) recovery rate and cardiorespiratory fitness, it is unclear whether there is a relationship between cardiorespiratory fitness and reorganization of cardiovascular autonomic modulation during recovery. Thus, this study aimed to investigate whether cardiorespiratory fitness influences the cardiovascular autonomic modulation recovery, after a cardiopulmonary exercise test. Sixty men were assigned into groups according to their cardiorespiratory fitness: low cardiorespiratory fitness (LCF = VO2: 22–38 mL kg−1 min−1), moderate (MCF = VO2: 38–48 mL kg−1 min−1), and high (HCF = VO2 > 48 mL kg−1 min−1). HRV (linear and non-linear analysis) and BPV (spectral analysis), and BRS (sequence method) were performed before and after a cardiopulmonary exercise test. The groups with higher cardiorespiratory fitness had lower baseline HR values and HR recovery time after the cardiopulmonary exercise test. On comparing rest and recovery periods, the spectral analysis of HRV showed a decrease in low-frequency (LF) oscillations in absolute units and high frequency (HF) in absolute and normalized units. It also showed increases in LF oscillations of blood pressure. Nonlinear analysis showed a reduction in approximate entropy (ApEn) and in Poincare Plot parameters (SD1 and SD2), accompanied by increases in detrended fluctuation analysis (DFA) parameters α1 and α2. However, we did not find differences in cardiovascular autonomic modulation parameters and BRS in relation to cardiorespiratory fitness neither before nor after the cardiopulmonary test. We concluded that cardiorespiratory fitness does not affect cardiovascular autonomic modulations after cardiopulmonary exercise test, unlike HR recovery.Tábata P. FacioliStella V. PhilboisAda C. GastaldiDaniel S. AlmeidaKarina D. MaidaJhennyfer A. L. RodriguesJuan C. Sánchez-DelgadoHugo C. D. SouzaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tábata P. Facioli Stella V. Philbois Ada C. Gastaldi Daniel S. Almeida Karina D. Maida Jhennyfer A. L. Rodrigues Juan C. Sánchez-Delgado Hugo C. D. Souza Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
description	Abstract Heart rate variability (HRV), blood pressure variability (BPV), and baroreflex sensitivity (BRS) provide important information on cardiovascular autonomic control. However, little is known about the reorganization of HRV, BPV, and BRS after aerobic exercise. While there is a positive relationship between heart rate (HR) recovery rate and cardiorespiratory fitness, it is unclear whether there is a relationship between cardiorespiratory fitness and reorganization of cardiovascular autonomic modulation during recovery. Thus, this study aimed to investigate whether cardiorespiratory fitness influences the cardiovascular autonomic modulation recovery, after a cardiopulmonary exercise test. Sixty men were assigned into groups according to their cardiorespiratory fitness: low cardiorespiratory fitness (LCF = VO2: 22–38 mL kg−1 min−1), moderate (MCF = VO2: 38–48 mL kg−1 min−1), and high (HCF = VO2 > 48 mL kg−1 min−1). HRV (linear and non-linear analysis) and BPV (spectral analysis), and BRS (sequence method) were performed before and after a cardiopulmonary exercise test. The groups with higher cardiorespiratory fitness had lower baseline HR values and HR recovery time after the cardiopulmonary exercise test. On comparing rest and recovery periods, the spectral analysis of HRV showed a decrease in low-frequency (LF) oscillations in absolute units and high frequency (HF) in absolute and normalized units. It also showed increases in LF oscillations of blood pressure. Nonlinear analysis showed a reduction in approximate entropy (ApEn) and in Poincare Plot parameters (SD1 and SD2), accompanied by increases in detrended fluctuation analysis (DFA) parameters α1 and α2. However, we did not find differences in cardiovascular autonomic modulation parameters and BRS in relation to cardiorespiratory fitness neither before nor after the cardiopulmonary test. We concluded that cardiorespiratory fitness does not affect cardiovascular autonomic modulations after cardiopulmonary exercise test, unlike HR recovery.
format	article
author	Tábata P. Facioli Stella V. Philbois Ada C. Gastaldi Daniel S. Almeida Karina D. Maida Jhennyfer A. L. Rodrigues Juan C. Sánchez-Delgado Hugo C. D. Souza
author_facet	Tábata P. Facioli Stella V. Philbois Ada C. Gastaldi Daniel S. Almeida Karina D. Maida Jhennyfer A. L. Rodrigues Juan C. Sánchez-Delgado Hugo C. D. Souza
author_sort	Tábata P. Facioli
title	Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
title_short	Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
title_full	Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
title_fullStr	Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
title_full_unstemmed	Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
title_sort	study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b45c8eaaf5264934adb4ecb554657180
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Study of heart rate recovery and cardiovascular autonomic modulation in healthy participants after submaximal exercise

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