Variable Effects of Physical Training of Heart Rate Variability, Heart Rate Recovery, and Heart Rate Turbulence in Chronic Heart Failure

Piotrowicz, Ewa; Baranowski, Rafał; Piotrowska, Małgorzata; Zieliński, Tomasz; Piotrowicz, Ryszard

doi:10.1111/j.1540-8159.2008.02266.x

Cited by 43 publications

(36 citation statements)

References 11 publications

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“…10, 12, 14, 17, 20, 21, 23, 24 Results have been mixed, with most studies being small in size and based on either cross-sectional evaluations or short-term interventions. Studies evaluating PA and 24-hour HRV indices 11, 13, 15, 18, 19, 21, 22 were mostly performed in middle-aged populations and were also generally small and either cross-sectional evaluations or short-term interventions. Our findings build upon and extend these prior observations by longitudinally evaluating long-term, cumulatively updated PA and changes in PA with subsequent HRV, by evaluating nonlinear indices, and by analyzing different dimensions of PA including different aspects of walking.…”

Section: Discussionmentioning

confidence: 99%

Physical Activity and Heart Rate Variability in Older Adults

et al. 2014

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Background Cardiac mortality and electrophysiologic dysfunction both increase with age. Heart rate variability (HRV) provides indices of autonomic function and electrophysiology that are associated with cardiac risk. How habitual physical activity (PA) among older adults prospectively relates to HRV, including nonlinear indices of erratic sinus patterns, is not established. We hypothesized that increasing levels of both total leisure-time activity and walking would be prospectively associated with more favorable time-domain, frequency-domain, and nonlinear HRV measures in older adults. Methods and Results We evaluated serial longitudinal measures of both PA and 24-hour Holter HRV over 5 years among 985 older US adults in the community-based Cardiovascular Health Study. After multivariable adjustment, greater total leisure-time activity, walking distance, and walking pace were each prospectively associated with specific, more favorable HRV indices, including higher 24-hour standard-deviation-of-all-normal-to-normal-intervals (SDNN, p-trend=0.009, 0.02, 0.06, respectively) and ultra-low-frequency-power (p-trend=0.02, 0.008, 0.16, respectively). Greater walking pace was also associated with higher short-term-fractal-scaling-exponent (p-trend=0.003) and lower Poincare ratio (p-trend=0.02), markers of less erratic sinus patterns. Conclusions Greater total leisure-time activity, as well as walking alone, were prospectively associated with more favorable and specific indices of autonomic function in older adults, including several suggestive of more normal circadian fluctuations and less erratic sinoatrial firing. Our results suggest potential mechanisms that might contribute to lower cardiovascular mortality with habitual PA later in life.

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Section: Discussionmentioning

confidence: 99%

Physical Activity and Heart Rate Variability in Older Adults

et al. 2014

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“…1,5,7 It has been reported that HRV indexes are modified by exercise training at different intensities, 8 been continuous endurance training of low and moderate intensities the most studied type of exercise related to HRV. 9,10 Although low to moderate exercise intensity (close to LT intensity) has been proposed systematically to modulate vagal activity, 9,10 to obtain complete adaptation in the cardiovascular system and vagal activity should be performed a combination of moderate and high intensity aerobic exercise. 11,12 Recent studies have shown than intermittent exercise may have an important role in achieving these goals, 13---15 however, these adaptations are both, primarily peripherally or acute effects and little is known about HRV, RPE, and lactate responses to intermittent exercise.…”

Section: Introductionmentioning

confidence: 99%

Effects of continuous and intermittent endurance exercise in autonomic balance, rating perceived exertion and blood lactate levels in healthy subjects

Cerda-Kohler

Pullin

Cancino-López

2015

Apunts. Medicina de l'Esport

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Purpose: The aim of this study was to determinate the changes in the Autonomic Balance, Rating Perceived Exertion (RPE) and blood lactate after continuous versus intermittent exercise protocols. Methods: Seven active and healthy male (33 ± 5.1 years) participated in the study. Each subject performed two exercise protocols: (i) a continuous exercise at 110% of the lactate threshold (CONT). The CONT protocol consisted in continuous running, and the distance covered was the same in meters as it was in the intermittent session, and (ii) an intermittent exercise at 100% of the Peak Treadmill Velocity (INTT). The protocol consisted of 30 min of 15 s running, interspersed with 15 s of passive rest. Autonomic balance was assessed through the LF/HF ratio, before beginning the exercises, immediately finishing the exercises and 24 h post-exercise; RPE was evaluated every 5 min in each exercise protocol; and blood lactate was measured immediately after both protocols. Alpha level was set at P ≤ .05. Results: Autonomic balance did not show significant differences between protocols (P = .60). RPE during INTT exercise was significantly higher than CONT exercise (P = .01). Blood lactate levels after exercise did not show significant differences (P = .68). Heart rate variability parameters in the time domain (mean RR and pNN50) show no statistical differences between both protocols pre and 24 h post exercise (P = .24 and P = .61, respectively). this document by any media or format is strictly prohibited. 30 H. Cerda-Kohler et al. Conclusions:The data suggest that intermittent exercise is perceived more intense than continuous, although both protocols showed similar internal loads in autonomic balance and blood lactate levels. © 2014 Consell Català de l'Esport. Generalitat de Catalunya. Published by Elsevier España, S.L.U. All rights reserved. PALABRAS CLAVEBalance autonómico; Lactato en sangre; Percepción subjetiva del esfuerzo; Ejercicio intermitente Efectos del ejercicio de resistencia continuo e intermitente sobre el balance autonómico, la escala de esfuerzo percibido y los niveles de lactato en sangre en sujetos sanos Resumen Objetivo: La finalidad de este estudio fue determinar los cambios en el balance autónomo, la percepcioń subjetiva del esfuerzo (PSE), y el lactato sanguińeo despueś de un protocolo de ejercicio aerobico continuo y uno intermitente. Métodos: En el estudio participaron 7 varones activos y sanos (33 ± 5,1 años). Cada sujeto realizó 2 protocolos de ejercicios: a) un ejercicio continuo al 110% del umbral del lactato (CONT); el protocolo CONT consistió en una carrera continua, siendo la distancia cubierta en metros igual a la distancia de la sesión intermitente, y b) un ejercicio intermitente al 100% de la velocidad pico en cinta (INTT). El protocolo consistió en 30 min de carrera de 15 segundos, intercalados con 15 segundos de descanso pasivo. El balance autónomo se evaluó mediante el ratio LF/HF antes de comenzar los ejercicios, inmediatamente después de finalizar los mismos, y a las 24 h de su fina...

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“…[19][20][21] Regular physical exercise promotes a tonic decrease in sympathetic autonomic control and an increase in vagal control. 22,23 However, the effects of physical exercise and ACEis, alone or in combination, on heart-rate variability and the capacity for autonomic balance rearrangement (for example, during the tilt test) have not been investigated in hypertensive (HT) patients. We hypothesized that the association of hypertension treatment with ACEis and physical training provides greater effects on cardiac autonomic modulation and enhances the reduction of arterial pressure compared with either treatment in isolation.…”

Section: Introductionmentioning

confidence: 99%

Physical exercise improves cardiac autonomic modulation in hypertensive patients independently of angiotensin-converting enzyme inhibitor treatment

et al. 2011

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We investigated the influence of angiotensin-converting enzyme inhibitor (ACEi) treatment and physical exercise on arterial pressure (AP) and heart rate variability (HRV) in volunteer patients with hypertension. A total of 54 sedentary volunteers were divided into three groups: normotensive (NT Group), hypertensive (HT Group) and HT volunteers treated with ACEi (ACEi Group). All volunteers underwent an aerobic physical-training protocol for 15 weeks. HRV was investigated using a spectral analysis of a time series of R-R interval (RRi) that was obtained in a supine position and during a tilt test. Physical training promoted a significant reduction in the mean arterial pressure of the HT group (113 ± 3 vs. 106 ± 1 mm Hg) and the ACEi group (104 ± 2 vs. Keywords: aerobic physical training; angiotensin; heart rate variability INTRODUCTION Hypertension is highly prevalent in the adult population and represents one of the leading causes of morbidity and mortality worldwide. 1,2 This condition is directly related to the development of cardiovascular diseases, encephalic vascular accident and renal insufficiency. 3 The risk factors for hypertension are associated with many other factors, including lifestyle. 4 The excessive ingestion of salt and alcohol, obesity, smoking and sedentariness represent the main behavioral factors that contribute to the occurrence and development of hypertension. 5 The treatment of hypertension consists mainly of a pharmacological approach, and the angiotensin-converting enzyme inhibitors (ACEis) are an important class of medications. 6 ACEis reduce arterial pressure (AP) by decreasing the peripheral vascular resistance, and they reduce cardiac hypertrophy and the proliferation of vascular smooth muscle cells. 7-9 Additionally, ACEis have an important role in cardiac autonomic control. Some studies have shown that ACEi treatment of hypertension in experimental animals and humans improves baroreflex

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Variable Effects of Physical Training of Heart Rate Variability, Heart Rate Recovery, and Heart Rate Turbulence in Chronic Heart Failure

Cited by 43 publications

References 11 publications

Physical Activity and Heart Rate Variability in Older Adults

Physical Activity and Heart Rate Variability in Older Adults

Effects of continuous and intermittent endurance exercise in autonomic balance, rating perceived exertion and blood lactate levels in healthy subjects

Physical exercise improves cardiac autonomic modulation in hypertensive patients independently of angiotensin-converting enzyme inhibitor treatment

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