CARDIAC AUTONOMIC MODULATION RESPONSE AND FUNCTIONAL CAPACITY IN OLDER WOMEN

ABSTRACT Objective: To analyze cardiac autonomic modulation response and functional capacity in physically active older women. Methods: Seventy-five older women (60-70 years) from the community were divided into the following groups: sedentary (n=19), hydro-gymnastics (n=18), pilates (n=19), and dance (n=19). Blood pressure, body composition, heart rate variability, and functional capacity were assessed for the characterization of the groups at rest and 48 hours after the last physical exercise session. Results: The sedentary group presented higher waist-to-hip ratio, diastolic blood pressure, and resting heart rate compared to the other groups (p<0.05). It was also observed that the dance group presented better functional capacity and VO2peak scores (all p<0.05). Regarding cardiac autonomic modulation, both dance and pilates groups demonstrated better RMSSD (26.71 ± 9.07 and 29.82 ± 7.16, respectively; p<0.05), LF (45.79 ± 14.81 and 45.95 ± 15.16 n.u., respectively; p<0.05), and LF/HF (0.92 ± 0.56 and 0.58 ± 0.26, respectively; p<0.05) scores. In the symbolic analysis, the dance group had a greater predominance of parasympathetic autonomic modulation than the other groups (p<0.05). Conclusion: These results conclude that physically active elderly women, practicing hydro-gymnastics, pilates or dance, presented physiological benefits, such as better functional capacity and improvements in hemodynamic variables and autonomic cardiac modulation. In addition, the group that practiced dance presented greater parasympathetic modulation, as well as greater functional capacity, when compared to the other modalities. Level of evidence: I; STARD: studies of diagnostic accuracy.

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Obesity does not Impair Ambulatory Cardiovascular and Autonomic Responses Post-exercise

International Journal of Sports Medicine ◽

10.1055/a-1393-6184 ◽

2021 ◽

Author(s):

Gabriel Kolesny Tricot ◽

Fabiula Isoton Isoton Novelli ◽

Lucieli Teresa Cambri

Keyword(s):

Blood Pressure ◽

Heart Rate ◽

Diastolic Blood Pressure ◽

Maximal Exercise ◽

Young Men ◽

Autonomic Modulation ◽

Incremental Test ◽

Post Exercise ◽

Cardiac Autonomic Modulation ◽

Main Effect

AbstractThis study aimed to assess whether obesity and/or maximal exercise can change 24 h cardiac autonomic modulation and blood pressure in young men. Thirty-nine men (n: 20; 21.9±1.8 kg·m−2, and n: 19; 32.9±2.4 kg·m−2) were randomly assigned to perform a control (non-exercise) and an experimental day exercise (after maximal incremental test). Cardiac autonomic modulation was evaluated through frequency domain heart rate variability (HRV). Obesity did not impair the ambulatory HRV (p>0.05), however higher diastolic blood pressure during asleep time (p=0.02; group main effect) was observed. The 24 h and awake heart rate was higher on the experimental day (p<0.05; day main effect), regardless of obesity. Hypotension on the experimental day, compared to control day, was observed (p<0.05). Obesity indicators were significantly correlated with heart rate during asleep time (Rho=0.34 to 0.36) and with ambulatory blood pressure(r/Rho=0.32 to 0.53). Furthermore, the HRV threshold workload was significantly correlated with ambulatory heart rate (r/Rho=− 0.38 to−0.52). Finally, ambulatory HRV in obese young men was preserved; however, diastolic blood pressure was increased during asleep time. Maximal exercise caused heart rate increase and 24h hypotension, with decreased cardiac autonomic modulation in the first hour, regardless of obesity.

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Cortisol Levels and Autonomic Control of Heart Rate in Healthy Subjects

Acta Medica Martiniana ◽

10.1515/acm-2017-0006 ◽

2017 ◽

Vol 17 (2) ◽

pp. 5-14 ◽

Cited By ~ 1

Author(s):

Milana Drumond Ramos Santana ◽

Eli Carlos Martiniano ◽

Larissa Raylane Lucas Monteiro ◽

Maria Do Socorro Santos De Oliveira ◽

Vitor E. Valenti ◽

...

Keyword(s):

Blood Pressure ◽

Heart Rate ◽

Heart Rate Variability ◽

Salivary Cortisol ◽

Healthy Subjects ◽

Autonomic Control ◽

Autonomic Modulation ◽

Cardiac Autonomic Modulation ◽

Cortisol Levels ◽

Modulation Methods

AbstractIntroduction: There is an increase in level of stress in the general population because of the social, personal and professional demands. Currently, there are only simple tools that can safely measure this stress such as levels of cortisol and heart rate variability (HRV). Objective: To analyze the relationship between salivary cortisol and the cardiac autonomic modulation. Methods: A total of fifty-one male and female subjects between 18 and 40 years old were evaluated. Saliva collection was achieved for the salivary cortisol dosage. The collection was performed through the SalivetteR tube. After this collection, the median cortisol levels (0.24 ug/dl) were analyzed and the volunteers were divided into two groups: i) cortisol below the mediane ii) cortisol above the median. After this division, each group consisted of 25 volunteers and then was verified the following information: age, gender, weight, height, body mass index (BMI), blood pressure. Shortly thereafter was assessment of cardiac autonomic modulation por meio da HRV. The Polar RS800cx heart rate receiver was placed on the chest of the volunteers, in the vicinity of the distal third of the sternum. The volunteers were instructed to remain in rest with spontaneous breathing in dorsal position for 20 minutes. HRV analysis included geometric, time and frequency domain indices. Results: There were no statistical differences for the two groups regarding systolic and diastolic blood pressure, heart rate, RR intervals or linear and frequency indices for the volunteers. In addition, also there was no correlation the cortisol with the analyzed variables (SAP, p=0.460; DAP, p = 0.270; HR, p = 0.360; RR, p = 0.380; SDNN, p = 0.510; rMSSD, p = 0.660; pNN50, p = 0.820; RRtri, p = 0.170; TINN, p = 0.470; SD1, p = 0.650; SD2, p = 0.500; LF [ms2], p = 0.880; LF [nu], p = 0.970; HF [ms2], p = 0.870; HF [nu], p = 0.960; LF/HF, p = 0.380 Conclusion: Heart rate variability autonomic control was unchanged in healthy subjects with physiological distribution of salivary cortisol levels. There was no association between normal salivary cortisol and resting autonomic regulation of heart rate.

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Can Exercise Help Regulate Blood Pressure and Improve Functional Capacity of Older Women with Hypertension against the Deleterious Effects of Physical Inactivity?

International Journal of Environmental Research and Public Health ◽

10.3390/ijerph18179117 ◽

2021 ◽

Vol 18 (17) ◽

pp. 9117

Author(s):

Luis Leitão ◽

Moacir Marocolo ◽

Hiago L. R. de Souza ◽

Rhai André Arriel ◽

João Guilherme Vieira ◽

...

Keyword(s):

Blood Pressure ◽

Heart Rate ◽

Older Women ◽

Functional Capacity ◽

Response To Treatment ◽

Upper Body ◽

Daily Routine ◽

Resting Heart Rate ◽

Body Strength ◽

Caucasian Women

Background: Sedentarism and inactivity are risk factors for the development of hypertension. Thus, the prevention of the natural process of biological and physiological aging of older women through physical exercise results in higher benefits in preventing cardiovascular diseases and can be a key factor for its treatment. Multicomponent exercise (METP) is a training method that may help older women with hypertension by improving their quality of life and their response to treatment. Methods: Twenty-eight older Caucasian women with hypertension (66.7 ± 5.3 years, 1.59 ± 0.11 m) performed a supervised METP program of nine months followed by three months of detraining (DT), and seventeen older women (68.2 ± 4.7 years, 1.57 ± 0.16 cm) with hypertension maintained their daily routine, without exercise. Blood pressure (BP), resting heart rate, and functional capacity (FC) were evaluated at the beginning and at the end of the program, and after three months of DT. Results: The ME program improved (p < 0.05) systolic BP (−5.37%), diastolic BP (−5.67%), resting heart rate (−7.8%), agility (9.8%), lower body strength (27.8%), upper body strength (10.0%), and cardiorespiratory capacity (8.6%). BP and FC deteriorated after the DT period (p < 0.05). Conclusion: Nine months of multicomponent exercise were sufficient to improve functional capacity and promote benefits in blood pressure, although was not sufficient to allow BP to reach the normal values of older women. The three month DT period without exercise caused the reversal of BP improvements but maintained the functional capacity of older women.

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Short-Term Resistance Training Improves Cardiac Autonomic Modulation and Blood Pressure in Hypertensive Older Women

The Journal of Strength and Conditioning Research ◽

10.1519/jsc.0000000000003182 ◽

2020 ◽

Vol 34 (1) ◽

pp. 37-45 ◽

Cited By ~ 2

Author(s):

Filipe F. Oliveira-Dantas ◽

Maria do Socorro Brasileiro-Santos ◽

Scott G. Thomas ◽

Alexandre S. Silva ◽

Douglas C. Silva ◽

...

Keyword(s):

Blood Pressure ◽

Resistance Training ◽

Older Women ◽

Autonomic Modulation ◽

Short Term ◽

Cardiac Autonomic Modulation

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Changes in Heart Rate Variability and Post Exercise Blood Pressure from Manipulating Load Intensities of Resistance-Training

International Journal of Kinesiology and Sports Science ◽

10.7575//aiac.ijkss.v.8n.2p.40 ◽

2020 ◽

Vol 8 (2) ◽

pp. 40

Author(s):

Behzad Alemi ◽

Lian-Yee Kok ◽

Hui-Yin Ler ◽

Chen-Soon Chee

Keyword(s):

Blood Pressure ◽

Heart Rate ◽

Heart Rate Variability ◽

Resistance Training ◽

Acute Exercise ◽

Training Load ◽

Exercise Session ◽

Experimental Session ◽

Physically Active ◽

Training Programmes

Background: The isolated effect of resistance training (RT) on heart rate variability (HRV) and blood pressure (BP) is crucial when prescribing suitable training programmes for healthy individuals. Objective: The purpose of this study was to compare BP and HRV responses in physically active men after an acute RT session with loads of 5-, 10- or 15-repetition maximums (5RM, 10RM and 15RM). Method: Eighty-one men (age: 21.6±1.1yr; body mass: 74.1±5.8 kg; height: 175.3 ±7.1cm) who performed moderate to vigorous physical activities for at least 30 min a day on most days of the week participated in this study. After the of 5RM loads for the bent-over row (BR), bench press (BEP), Dead-lift (DL) and squats (SQ), participants were divided into three training load groups (15RM = GrpL, 10RM = GrpM or 5RM = GrpH). During the experimental session, each group (n=27) performed 3 sets for each of the four exercise, with 2-min rest intervals between sets and exercises with their assigned training load. BP and HRV were measured prior to, immediately after, and at 15-min intervals until two hours post-experiment. Results: All three groups attained improved BP (p = .001) reductions and longer HRV (p = .0001) changes after an acute exercise session but the GrpM (10RM) and and GrpL (15RM) performed better than GrpH (5RM). Conclusion: Strength and conditioning professionals may prescribe exercises with 10-15RM loads if the aim is to obtain an acute reduction in BP after an RT session.

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Cardiac Autonomic Dysfunction in Offspring of Hypertensive Parents During Exercise

International Journal of Sports Medicine ◽

10.1055/s-0043-119883 ◽

2017 ◽

Vol 38 (14) ◽

pp. 1105-1110 ◽

Cited By ~ 4

Author(s):

Leonardo Almeida ◽

Tiago Peçanha ◽

Pedro Mira ◽

Livia Souza ◽

Lílian da Silva ◽

...

Keyword(s):

Blood Pressure ◽

Heart Rate ◽

Autonomic Dysfunction ◽

Voluntary Contraction ◽

P Value ◽

Autonomic Modulation ◽

Isometric Handgrip ◽

Exercise Protocol ◽

Cardiac Autonomic Modulation ◽

Cardiac Autonomic Dysfunction

AbstractOffspring of hypertensive parents present autonomic dysfunction at rest and during physiological maneuvers. However, the cardiac autonomic modulation during exercise remains unknown. This study tested whether the cardiac autonomic modulation would be reduced in offspring of hypertensive parents during exercise. Fourteen offspring of hypertensive and 14 offspring of normotensive individuals were evaluated. The groups were matched by age (24.5±1.0 vs. 26.6±1.5 years; p=0.25) and BMI (22.8±0.6 vs. 24.2±1.0 kg/m2; p=0.30). Blood pressure and heart rate were assessed simultaneously during 3 min at baseline followed by 3-min isometric handgrip at 30% of maximal voluntary contraction. Cardiac autonomic modulation was evaluated using heart rate variability. Primary variables were subjected to two-way ANOVA (group vs. time). P value<0.05 was considered statistically significant. Blood pressure and heart rate were similar between groups during exercise protocol. In contrast, offspring of hypertensive subjects showed a reduction of SDNN (Basal=34.8±3.5 vs. 45.2±3.7 ms; Exercise=30.8±3.3 vs. 41.5±3.9 ms; p group=0.01), RMSSD (Basal=37.1±3.7 vs. 52.0±6.0 ms; Exercise=28.6±3.4 vs. 41.9±5.3 ms; p group=0.02) and pNN50 (Basal=15.7±4.0 vs. 29.5±5.5%; Exercise=7.7±2.4 vs. 18.0±4.3%; p group=0.03) during the exercise protocol in comparison with offspring of normotensive parents. We concluded that normotensive offspring of hypertensive parents exhibit impaired cardiac autonomic modulation during exercise.

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Efeito da manipulação vertebral sobre a modulação autonômica cardíaca

Fisioterapia Brasil ◽

10.33233/fb.v17i5.685 ◽

2016 ◽

Vol 17 (5) ◽

pp. 498

Author(s):

Alyssa Conte Da Silva ◽

Juliana Falcão Padilha ◽

Jefferson Luiz Brum Marques ◽

Cláudia Mirian De Godoy Marques

Keyword(s):

Heart Rate ◽

Heart Rate Variability ◽

Nervous System ◽

Autonomic Nervous System ◽

Spinal Manipulation ◽

Autonomic Modulation ◽

Autonomic Nervous ◽

Cardiac Autonomic Modulation

Introdução: Existem poucos estudos que evidenciam a manipulação vertebral relacionada à modulação autonômica cardíaca. Objetivo: Revisar a literatura sobre os efeitos da manipulação vertebral sobre a modulação autonômica cardíaca. Métodos: Foi realizada uma busca bibliográfica nas bases de dados da saúde Medline, Pubmed e Cinahl, no período correspondido entre setembro e novembro de 2014. Foram utilizados os descritores em inglês Spinal Manipulation, Cardiac Autonomic Modulation, Autonomic Nervous System, Heart Rate Variability, além de associações entre eles. Resultados: Foram encontrados 190 artigos, sendo excluídos 39 por serem repetidos, restando 151. Destes, 124 não se encaixaram nos critérios de inclusão e após leitura crítica e análise dos materiais foram selecionados 7 artigos. Grande parte dos estudos revelou que a manipulação da coluna, independente do segmento, demonstra alterações autonômicas, tanto em nível simpático quanto parassimpático. Conclusão: Existem diferentes metodologias para avaliação da modulação autonômica cardíaca, sendo a Variabilidade da Frequência cardíaca através do eletrocardiograma a mais utilizada. A manipulação vertebral exerceu influência, na maioria dos artigos, sobre a modulação autonômica cardíaca.Palavras-chave: manipulação da coluna, sistema nervoso autônomo, variabilidade da frequência cardíaca.

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Feasibility of hybrid telerehabilitation as component of a novel comprehensive care program after acute myocardial infarction in a one-year follow-up preliminary experience of a single center

European Journal of Preventive Cardiology ◽

10.1093/eurjpc/zwab061.338 ◽

2021 ◽

Vol 28 (Supplement_1) ◽

Author(s):

E Piotrowicz ◽

P Orzechowski ◽

I Kowalik ◽

R Piotrowicz

Keyword(s):

Myocardial Infarction ◽

Blood Pressure ◽

Acute Myocardial Infarction ◽

Heart Rate ◽

Functional Capacity ◽

Care Program ◽

Comprehensive Care ◽

Monitoring Center ◽

One Year

Abstract Funding Acknowledgements Type of funding sources: Public Institution(s). Main funding source(s): National Health Fund Background. A novel comprehensive care program after acute myocardial infarction (AMI) „KOS-zawał" was implemented in Poland. It includes acute intervention, complex revascularization, implantation of cardiovascular electronic devices (in case of indications), rehabilitation or hybrid telerehabilitation (HTR) and scheduled outpatient follow-up. HTR is a unique component of this program. The purpose of the pilot study was to evaluate a feasibility, safety and patients’ acceptance of HTR as component of a novel care program after AMI and to assess mortality in a one-year follow-up. Methods The study included 55 patients (LVEF 55.6 ± 6.8%; aged 57.5 ± 10.5 years). Patients underwent a 5-week HTR based on Nordic walking, consisting of an initial stage (1 week) conducted within an outpatient center and a basic stage (4-week) home-based telerehabilitation five times weekly. HTR was telemonitored with a device adjusted to register electrocardiogram (ECG) recording and to transmit data via mobile phone network to the monitoring center. The moments of automatic ECG registration were pre-set and coordinated with exercise training. The influence on physical capacity was assessed by comparing changes in functional capacity (METs) from the beginning and the end of HTR. Patients filled in a questionnaire in order to assess their acceptance of HTR at the end of telerehabilitation. Results HTR resulted in a significant improvement in functional capacity and workload duration in exercise test (Table). Safety: there were neither deaths nor adverse events during HTR. Patients accepted HTR, including the need for interactive everyday collaboration with the monitoring center. Prognosis all patients survived in a one-year follow-up. Conclusions Hybrid telerehabilitation is a feasible, safe form of rehabilitation, well accepted by patients. There were no deaths in a one-year follow-up. Outcomes before and after HTR Before telerehabilitation After telerehabilitation P Exercise time [s] 381.5 ± 92.0 513.7 ± 120.2 <0.001 Maximal workload [MET] 7.9 ± 1.8 10.1 ± 2.3 <0.001 Heart rate rest [bpm] 68.6 ± 12.0 66.6 ± 10.9 0.123 Heart rate max effort [bpm] 119.7 ± 15.9 131.0 ± 20.1 <0.001 SBP rest [mmHg] 115.6 ± 14.8 117.7 ± 13.8 0.295 DBP rest [mmHg] 74.3 ± 9.2 76.2 ± 7.3 0.079 SBP max effort [mm Hg] 159.5 ± 25.7 170.7 ± 25.5 0.003 DBP max effort [mm Hg] 84.5 ± 9.2 87.2 ± 9.3 0.043 SBP systolic blood pressure, DBP diastolic blood pressure.

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Abstract P105: Sleep Disordered Breathing and Cardiac Autonomic Modulation in Adolescents - Penn State Child Cohort (PSCC) Study

Circulation ◽

10.1161/circ.129.suppl_1.p105 ◽

2014 ◽

Vol 129 (suppl_1) ◽

Author(s):

Edward O Bixler ◽

Fan He ◽

Sol Rodriguez-Colon ◽

Julio Fernandez-Mendoza ◽

Alexandros Vgontzas ◽

...

Keyword(s):

Heart Rate ◽

Sleep Disordered Breathing ◽

Population Based ◽

Apnea Hypopnea Index ◽

Autonomic Modulation ◽

Rr Intervals ◽

Cardiac Autonomic Modulation ◽

The Mean ◽

Frequency Power ◽

Disordered Breathing

Objectives: To investigate the relationship between sleep disordered breathing (SDB) and cardiac autonomic modulation (CAM) in a population-based sample of adolescents. Methods: We used available data from 400 adolescents who completed the follow up examinations in the population-based PSCC study. 1-night polysomnography was used to assess apnea hypopnea index (AHI). AHI was used to define no-SDB (AHI<1), mild SDB (1≤AHI<5), and moderate SDB (AHI≥5). CAM was assessed by heart rate variability (HRV) analysis of beat-to-beat normal R-R intervals from a 39-hour high resolution Holter ECG. The HRV indices in frequency domain [high frequency power (HF), low frequency power (LF), and LF/HF ratio] and time domain [standard deviation of normal RR intervals (SDNN), and the square root of the mean squared difference of successive normal RR intervals (RMSSD), and heart rate (HR)] were calculated on a 30-minute basis (78 repeated measures). Mixed-effects models were used to assess the SDB and HRV relationship. Results: The mean age was 16.9 yrs (SD=2.19), with 54% male and 77% white. The mean (SD) AHI were 0.52 (0.26), 2.38 (1.03), and 12.27 (14.54) for no-, mild-, and moderate-SDB participants. The age, race, sex, and BMI percentile adjusted mean (SE) HRV indices across three SDB groups are presented in Table 1. In summary, sleep disordered breathing was associated with lower HRV and higher HR in this population-based adolescent sample, with a significant dose-response relationship. Conclusion: moderate SDB in adolescents is already associated with lower HRV, indicative of sympathetic activation and lower parasympathetic modulation, which has been associated with cardiac events in adults.

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Effects of exercise on cardiac autonomic modulation in children: literature update

Fisioterapia em Movimento ◽

10.1590/0103-5150.028.003.ar03 ◽

2015 ◽

Vol 28 (3) ◽

pp. 627-636 ◽

Cited By ~ 1

Author(s):

Gustavo Henrique de Oliveira Mondoni ◽

Luiz Carlos Marques Vanderlei ◽

Bruno Saraiva ◽

Franciele Marques Vanderlei

Keyword(s):

Heart Rate ◽

Heart Rate Variability ◽

Nervous System ◽

Autonomic Nervous System ◽

Parasympathetic Nervous System ◽

Healthy Children ◽

Autonomic Modulation ◽

Healthy Development ◽

Autonomic Nervous ◽

Cardiac Autonomic Modulation

AbstractIntroduction It is known that physical exercise is beneficial and precipitates adjustments to the autonomic nervous system. However, the effect of exercise on cardiac autonomic modulation in children, despite its importance, is poorly investigated.Objective To bring together current information about the effects of exercise on heart rate variability in healthy and obese children.Methods The literature update was performed through a search for articles in the following databases; PubMed, PEDro, SciELO and Lilacs, using the descriptors “exercise” and “child” in conjunction with the descriptors “autonomic nervous system”, “sympathetic nervous system”, “parasympathetic nervous system” and also with no descriptor, but the key word of this study, “heart rate variability”, from January 2005 to December 2012.Results After removal of items that did not fit the subject of the study, a total of 9 articles were selected, 5 with healthy and 4 with obese children.Conclusion The findings suggest that exercise can act in the normalization of existing alterations in the autonomic nervous system of obese children, as well as serve as a preventative factor in healthy children, enabling healthy development of the autonomic nervous system until the child reaches adulthood.

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