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Usui N, Nakata J, Uehata A, Kojima S, Hisadome H, Ando S, Saitoh M, Inatsu A, Tsuchiya T, Mawatari T, Suzuki Y. Association of Postexercise Vagal Dysfunction With Protein-Energy Wasting and Noncardiovascular Outcomes in Patients Receiving Hemodialysis: A Retrospective Cohort Study. J Ren Nutr 2024; 34:321-329. [PMID: 38000522 DOI: 10.1053/j.jrn.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/19/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023] Open
Abstract
OBJECTIVE Postexercise vagal dysfunction is linked to noncardiovascular mortality in hemodialysis patients, but the mechanism is unknown. This study aimed to determine the association of cardiovagal neuropathy with systemic inflammation, protein-energy wasting, and noncardiovascular hospitalization. METHODS This 2-center retrospective cohort study analyzed data from 280 hemodialysis patients who underwent exercise test. Patients were assessed for heart rate (HR) recovery (bpm) for 1 minute after exercise, a marker of vagal function, and were divided into 3 categories (Low: ≤ 6, Mid: 7-11, High: ≥ 12 bpm). We followed 1-year changes in the systemic inflammation-based prognostic score (Glasgow Prognostic Score [GPS]), body weight, and creatinine generation rate (CGR), an indicator of muscle mass, as well as 2-year hospitalization. RESULTS The HR recovery category was associated with serum C-reactive protein and albumin levels and GPS. After 1 year, the low HR recovery category was associated with worsening in GPS (low, 0 [0-0.5]; mid, 0 [0-1]; high, 0 [0-0]), weight (low, 100.0 [96.1-102.5]; mid, 101.3 [98.9-105.0]; high, 100.5 [98.2-102.9]%), and CGR (low, 97.0 [88.5-111.4]; mid, 110.2 [90.9-124.8]; high, 106.2 [95.5-115.5]%), and the correlations with GPS and CGR remained consistent after adjusting for confounders such as exercise capacity and hospitalization during the follow-up period. There were 117 patients hospitalized. Compared to the high HR recovery category, the mid (hazard ratio: 1.8, 95% confidence interval [CI]: 1.1-3.1, P = .02) and low (hazard ratio: 2.4, 95% CI: 1.5-4.0, P = .001) categories were independently associated with an increased risk of all-cause hospitalization. For noncardiovascular disease hospitalization, the low HR recovery category was independently associated with increased risk of hospitalization (hazard ratio: 2.1, 95% CI: 1.2-3.7, P = .007). CONCLUSIONS Vagal neuropathy in this population can contribute to adverse outcomes associated with systemic inflammation and protein-energy wasting.
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Affiliation(s)
- Naoto Usui
- Department of Rehabilitation, Kisen Hospital, Tokyo, Japan; Department of Nephrology, Graduate School of Medicine, Juntendo University, Tokyo, Japan.
| | - Junichiro Nakata
- Department of Nephrology, Graduate School of Medicine, Juntendo University, Tokyo, Japan.
| | - Akimi Uehata
- Division of Cardiology, Kisen Hospital, Tokyo, Japan
| | - Sho Kojima
- Department of Rehabilitation, Kisen Hospital, Tokyo, Japan; Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | | | - Shuji Ando
- Department of Information Sciences, Tokyo University of Science, Chiba, Japan
| | - Masakazu Saitoh
- Department of Physical Therapy, Faculty of Health Science, Juntendo University, Tokyo, Japan
| | | | | | | | - Yusuke Suzuki
- Department of Nephrology, Graduate School of Medicine, Juntendo University, Tokyo, Japan
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Weigelt A, Bleck S, Huebner MJ, Rottermann K, Waellisch W, Morhart P, Abu-Tair T, Dittrich S, Schoeffl I. Impact of premature birth on cardiopulmonary function in later life. Eur J Pediatr 2023:10.1007/s00431-023-04952-y. [PMID: 37147470 DOI: 10.1007/s00431-023-04952-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/17/2023] [Accepted: 03/24/2023] [Indexed: 05/07/2023]
Abstract
Pulmonary function is reduced in children after preterm birth. The variety of subgroups ranges from early to late preterm births. Limitations in pulmonary function can be observed even after late preterm birth without signs of bronchopulmonary dysplasia and/or history of mechanical ventilation. Whether this reduction in lung function is reflected in the cardiopulmonary capacity of these children is unclear. This study aims to investigate the impact of moderate to late premature birth on cardiopulmonary function. Cardiopulmonary exercise testing on a treadmill was performed by 33 former preterm infants between 8 and 10 years of age who were born between 32 + 0 and 36 + 6 weeks of gestation and compared with a control group of 19 children born in term of comparable age and sex. The former preterm children achieved comparable results to the term-born controls with respect to most of the cardiopulmonary exercise parameters [Formula: see text]. The only differences were in a slightly higher oxygen uptake efficiency slope [Formula: see text] and higher peak minute ventilation [Formula: see text] in the group of children born preterm. With respect to heart rate recovery [Formula: see text] and breathing efficiency [Formula: see text], there were no significant differences. CONCLUSION Children born preterm did not show limitations in cardiopulmonary function in comparison with matched controls. WHAT IS KNOWN • Preterm birth is associated with reduced pulmonary function in later life, this is also true for former late preterms. • As a consequence of being born premature, the lungs have not finished their important embryological development. Cardiopulmonary fitness is an important parameter for overall mortality and morbidity in children and adults and a good pulmonary function is therefore paramount. WHAT IS NEW • Children born prematurely were comparable to an age- and sex-matched control group with regards to almost all cardiopulmonary exercise variables. • A significantly higher OUES, a surrogate parameter for VO2peak was found for the group of former preterm children, most likely reflecting on more physical exercise in this group. Importantly, there were no signs of impaired cardiopulmonary function in the group of former preterm children.
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Affiliation(s)
- Annika Weigelt
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany.
| | - Steffen Bleck
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Matthias Jens Huebner
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Kathrin Rottermann
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Wolfgang Waellisch
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Patrick Morhart
- Department of Neonatology and Intensive Medical Care, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Tariq Abu-Tair
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Sven Dittrich
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Isabelle Schoeffl
- Department of Pediatric Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loschgestrasse 15, 91054, Erlangen, Germany
- School of Clinical and Applied Sciences, Leeds Beckett University, Leeds, LS13HE, UK
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Oliver TE, Sánchez‐Hechavarría ME, Carrazana‐Escalona R, Blaha CA, Sinoway LI, Drew RC. Rapid adjustments to autonomic control of cardiac rhythm at the onset of isometric exercise in healthy young adults. Physiol Rep 2023; 11:e15616. [PMID: 36823959 PMCID: PMC9950538 DOI: 10.14814/phy2.15616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/11/2023] [Accepted: 02/01/2023] [Indexed: 02/25/2023] Open
Abstract
Sympathetic nervous system (SNS) and parasympathetic nervous system (PNS) influences on cardiac rhythm at the onset of exercise, a time of rapid autonomic adjustments, are clinically important areas of investigation. Continuous wavelet transform (CWT) involves time-frequency-based heart rate variability (HRV) analysis allowing investigation of autonomic influences on cardiac rhythm during short durations of exercise. Therefore, the purpose of this study was to characterize SNS and PNS influences on cardiac rhythm at the onset of isometric exercise in healthy young adults. CWT analysis was retrospectively applied to R-R interval data (electrocardiogram) previously collected from 14 healthy young adults (26 ± 2 years) who performed 30-s, one-legged, isometric, calf exercise at 70% maximal voluntary contraction (MVC; 70% MVC trial) or rested (0% MVC trial). Absolute and normalized low-frequency (aLF, nLF; 0.04-0.15 Hz) and high-frequency (aHF, nHF; 0.15-0.4 Hz) bands and LF/HF were used to analyze one 30-s baseline period and six 5-s time windows during the 30-s exercise (70% MVC) or rest (0% MVC). Statistical analysis involved two-way analysis of variance with post-hoc analysis. aHF, aLF, LF/HF, nHF, and nLF displayed a trial-time interaction (all p ≤ 0.027). In the 70% compared to the 0% MVC trial, aHF and nHF were lower after 5-30 s (all p ≤ 0.040), aLF was lower after 20-30 s (all p ≤ 0.011) and LF/HF and nLF were higher after 5-20 s (all p ≤ 0.045). These results indicate the reduction of the PNS influence on cardiac rhythm begins sooner than the augmentation of the SNS influence at the onset of isometric exercise in healthy young adults.
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Affiliation(s)
- Tyler E. Oliver
- Department of Exercise and Health SciencesUniversity of Massachusetts BostonBostonMassachusettsUSA
| | - Miguel E. Sánchez‐Hechavarría
- Departamento de Ciencias Básicas, Facultad de MedicinaUniversidad Católica de la Santísima ConcepciónConcepciónChile
- Facultad de Ciencias de la SaludUniversidad Adventista de ChileChillánChile
| | - Ramón Carrazana‐Escalona
- Departamento de Ciencias Básicas, Facultad de MedicinaUniversidad Católica de la Santísima ConcepciónConcepciónChile
| | - Cheryl A. Blaha
- Penn State Heart and Vascular Institute, Penn State College of MedicineHersheyPennsylvaniaUSA
| | - Lawrence I. Sinoway
- Penn State Heart and Vascular Institute, Penn State College of MedicineHersheyPennsylvaniaUSA
| | - Rachel C. Drew
- Department of Exercise and Health SciencesUniversity of Massachusetts BostonBostonMassachusettsUSA
- Penn State Heart and Vascular Institute, Penn State College of MedicineHersheyPennsylvaniaUSA
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Guilkey JP, Dykstra B, Erichsen J, Heidorn CE, Mahon AD. Effect of maturation on parasympathetic modulation during exercise and recovery. SCAND CARDIOVASC J 2022; 56:13-22. [PMID: 35147067 DOI: 10.1080/14017431.2022.2035809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES This study examined the effect of maturation on parasympathetic nervous system (PNS) response from rest to light- to moderate-intensity exercise and recovery from maximal exercise in pre- (n = 10; maturity offset = -3.0 ± 1.2 years; age = 10.1 ± 1.9 years), mid- (n = 9; maturity offset = -0.1 ± 0.6 years; age = 13.7 ± 1.0 years), and postpubertal (n = 10; maturity offset = 1.9 ± 0.6 years; age = 15.6 ± 1.2 years) boys and men (n = 10; age = 24.1 ± 2.0 years). DESIGN Participants completed seated rest, light-intensity exercise (50% HRmax), and moderate-intensity exercise (65% HRmax). Following moderate-intensity exercise, intensity was ramped to elicit maximal HR and followed by 25 min of seated recovery. Log transformed values for root mean square of successive differences (lnRMSSD), high-frequency power (lnHF) and normalized HF power (lnHFnu) assessed PNS modulation during 3 min of rest, light-intensity exercise, moderate-intensity exercise, and 3-min epochs throughout recovery. RESULTS During light-intensity exercise, lnRMSSD and lnHF were greater in prepubertal (lnRMSSD = 3.4 ± 0.3 ms; lnHF = 5.4 ± 0.7 ms2) compared to men (lnRMSSD = 2.8 ± 0.5 ms; lnHF = 4.0 ± 0.9 ms2). During moderate-intensity exercise, lnHF differed between prepubertal and men (2.8 ± 1.0 vs. 1.4 ± 1.0 ms2). During recovery, HRV variables were greater in prepubertal compared to postpubertal and men. CONCLUSIONS Prepubertal boys have reduced PNS withdrawal during light-intensity exercise and greater PNS reactivation following exercise.
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Affiliation(s)
- Justin P Guilkey
- Human Performance Laboratory, Ball State University, Muncie, IN, USA.,Department of Kinesiology, Coastal Carolina University, Conway, SC, USA
| | - Brandon Dykstra
- Human Performance Laboratory, Ball State University, Muncie, IN, USA.,Department of Kinesiology, Taylor University, Upland, IN, USA
| | - Jennifer Erichsen
- Human Performance Laboratory, Ball State University, Muncie, IN, USA.,Department of Pharmacology, Physiology, and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, USA
| | - C Eric Heidorn
- Human Performance Laboratory, Ball State University, Muncie, IN, USA.,Department of Exercise Science, Kent State University, Kent, OH, USA
| | - Anthony D Mahon
- Human Performance Laboratory, Ball State University, Muncie, IN, USA
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5
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Association of cardiac autonomic neuropathy assessed by heart rate response during exercise with intradialytic hypotension and mortality in hemodialysis patients. Kidney Int 2022; 101:1054-1062. [DOI: 10.1016/j.kint.2022.01.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 12/24/2021] [Accepted: 01/11/2022] [Indexed: 11/18/2022]
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Hupin D, Sarajlic P, Venkateshvaran A, Fridén C, Nordgren B, Opava CH, Lundberg IE, Bäck M. Cardiovascular Autonomic Function Changes and Predictors During a 2-Year Physical Activity Program in Rheumatoid Arthritis: A PARA 2010 Substudy. Front Med (Lausanne) 2021; 8:788243. [PMID: 34977091 PMCID: PMC8717774 DOI: 10.3389/fmed.2021.788243] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/09/2021] [Indexed: 12/27/2022] Open
Abstract
Background: Chronic inflammation leads to autonomic dysfunction, which may contribute to the increased risk of cardiovascular diseases (CVD) in patients with rheumatoid arthritis (RA). Exercise is known to restore autonomic nervous system (ANS) activity and particularly its parasympathetic component. A practical clinical tool to assess autonomic function, and in particular parasympathetic tone, is heart rate recovery (HRR). The aim of this substudy from the prospective PARA 2010 study was to determine changes in HRR post-maximal exercise electrocardiogram (ECG) after a 2-year physical activity program and to determine the main predictive factors associated with effects on HRR in RA. Methods: Twenty-five participants performed physiotherapist-guided aerobic and muscle-strengthening exercises for 1 year and were instructed to continue the unsupervised physical activity program autonomously in the next year. All participants were examined at baseline and at years 1 and 2 with a maximal exercise ECG on a cycle ergometer. HRR was measured at 1, 2, 3, 4, and 5 min following peak heart rate during exercise. Machine-learning algorithms with the elastic net linear regression models were performed to predict changes in HRR1 and HRR2 at 1 year and 2 years of the PARA program. Results: Mean age was 60 years, range of 41-73 years (88% women). Both HRR1 and HRR2 increased significantly from baseline to year 1 with guided physical activity and decreased significantly from year 1 to year 2 with unsupervised physical activity. Blood pressure response to exercise, low BMI, and muscular strength were the best predictors of HRR1/HRR2 increase during the first year and HRR1/HRR2 decrease during the second year of the PARA program. Conclusion: ANS activity in RA assessed by HRR was improved by guided physical activity, and machine learning allowed to identify predictors of the HRR response at the different time points. HRR could be a relevant marker of the effectiveness of physical activity recommended in patients with RA at high risk of CVD. Very inactive and/or high CVD risk RA patients may get substantial benefits from a physical activity program.
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Affiliation(s)
- David Hupin
- Translational Cardiology, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- INSERM, U1059, SAINBIOSE, Université de Lyon, Université Jean-Monnet, Saint-Etienne, France
- Department of Clinical and Exercise Physiology, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Philip Sarajlic
- Translational Cardiology, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Ashwin Venkateshvaran
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
| | - Cecilia Fridén
- Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Birgitta Nordgren
- Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
- Women's Health and Allied Health Professionals Theme, Medical Unit Occupational Therapy and Physiotherapy, Karolinska University Hospital, Stockholm, Sweden
| | - Christina H. Opava
- Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
- Rheumatology, Inflammation and Ageing Theme, Karolinska University Hospital, Stockholm, Sweden
| | - Ingrid E. Lundberg
- Rheumatology, Inflammation and Ageing Theme, Karolinska University Hospital, Stockholm, Sweden
- Department of Medicine Solna, Division of Rheumatology, Karolinska Institutet, Stockholm, Sweden
| | - Magnus Bäck
- Translational Cardiology, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
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Manser P, Thalmann M, Adcock M, Knols RH, de Bruin ED. Can Reactivity of Heart Rate Variability Be a Potential Biomarker and Monitoring Tool to Promote Healthy Aging? A Systematic Review With Meta-Analyses. Front Physiol 2021; 12:686129. [PMID: 34393813 PMCID: PMC8359814 DOI: 10.3389/fphys.2021.686129] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/29/2021] [Indexed: 01/01/2023] Open
Abstract
Background: Monitoring phasic responses of heart rate variability (HRV) in terms of HRV reactivity [i. e., the absolute change from resting state to on-task (i.e., absolute values of HRV measured during exercise)] might provide useful insights into the individual psychophysiological responses of healthy middle-aged to older adults (HOA) to cognitive and physical exercises. Objectives: To summarize the evidence of phasic HRV responses to cognitive and physical exercises, and to evaluate key moderating factors influencing these responses. Methods: A systematic review with meta-analyses was performed. Publications up to May 2020 of the databases Medline (EBSCO), Embase, Cochrane Library, CINAHL, Psycinfo, Web of Science, Scopus, and Pedro were considered. Controlled clinical trials and observational studies measuring phasic HRV responses to cognitive and/or physical exercises in HOA (≥50 years) were included. Results: The initial search identified 6,828 articles, of which 43 were included into the systematic review. Compared to resting state, vagally-mediated HRV indices were significantly reduced during all types of exercises [Hedge's g = -0.608, 95 % CI (-0.999 to -0.218), p = 0.002] indicating a significant parasympathetic withdrawal compared to rest. The key moderating variables of these responses identified included exercise intensity for physical exercises, and participant characteristics (i.e., level of cognitive functioning, physical fitness), task demands (i.e., task complexity and modality) and the individual responses to these cognitive challenges for cognitive exercises. In particular, higher task demands (task complexity and physical exercise intensity) were related to larger HRV reactivities. Better physical fitness and cognition were associated with lower HRV reactivities. Additionally, HRV reactivity appeared to be sensitive to training-induced cognitive and neural changes. Conclusion: HRV reactivity seems to be a promising biomarker for monitoring internal training load and evaluating neurobiological effects of training interventions. Further research is warranted to evaluate the potential of HRV reactivity as a monitoring parameter to guide cognitive-motor training interventions and/or as a biomarker for cognitive impairment. This may facilitate the early detection of cognitive impairment as well as allow individualized training adaptations that, in turn, support the healthy aging process by optimizing individual exercise dose and progression of cognitive-motor training.
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Affiliation(s)
- Patrick Manser
- Department of Health Sciences and Technology, Movement Control and Learning-Institute of Human Movement Sciences and Sport, ETH Zurich, Zurich, Switzerland
| | - Melanie Thalmann
- Department of Health Sciences and Technology, Movement Control and Learning-Institute of Human Movement Sciences and Sport, ETH Zurich, Zurich, Switzerland
| | - Manuela Adcock
- Department of Health Sciences and Technology, Movement Control and Learning-Institute of Human Movement Sciences and Sport, ETH Zurich, Zurich, Switzerland
| | - Ruud H Knols
- Research and Education, Physiotherapy Occupational Therapy Research Center, University Hospital of Zurich, Zurich, Switzerland
| | - Eling D de Bruin
- Department of Health Sciences and Technology, Movement Control and Learning-Institute of Human Movement Sciences and Sport, ETH Zurich, Zurich, Switzerland.,Division of Physiotherapy, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
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Heart rate recovery after maximal exercise is impaired in healthy young adults born preterm. Eur J Appl Physiol 2019; 119:857-866. [PMID: 30635708 DOI: 10.1007/s00421-019-04075-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 01/06/2019] [Indexed: 01/01/2023]
Abstract
PURPOSE The long-term implications of premature birth on autonomic nervous system (ANS) function are unclear. Heart rate recovery (HRR) following maximal exercise is a simple tool to evaluate ANS function and is a strong predictor of cardiovascular disease. Our objective was to determine whether HRR is impaired in young adults born preterm (PYA). METHODS Individuals born between 1989 and 1991 were recruited from the Newborn Lung Project, a prospectively followed cohort of subjects born preterm weighing < 1500 g with an average gestational age of 28 weeks. Age-matched term-born controls were recruited from the local population. HRR was measured for 2 min following maximal exercise testing on an upright cycle ergometer in normoxia and hypoxia, and maximal aerobic capacity (VO2max) was measured. RESULTS Preterms had lower VO2max than controls (34.88 ± 5.24 v 46.15 ± 10.21 ml/kg/min, respectively, p < 0.05), and exhibited slower HRR compared to controls after 1 and 2 min of recovery in normoxia (absolute drop of 20 ± 4 v 31 ± 10 and 41 ± 7 v 54 ± 11 beats per minute (bpm), respectively, p < 0.01) and hypoxia (19 ± 5 v 26 ± 8 and 39 ± 7 v 49 ± 13 bpm, respectively, p < 0.05). After adjusting for VO2max, HRR remained slower in preterms at 1 and 2 min of recovery in normoxia (21 ± 2 v 30 ± 2 and 42 ± 3 v 52 ± 3 bpm, respectively, p < 0.05), but not hypoxia (19 ± 3 v 25 ± 2 and 40 ± 4 v 47 ± 3 bpm, respectively, p > 0.05). CONCLUSIONS Autonomic dysfunction as seen in this study has been associated with increased rates of cardiovascular disease in non-preterm populations, suggesting further study of the mechanisms of autonomic dysfunction after preterm birth.
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9
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Hoshi RA, Vanderlei LCM, de Godoy MF, Bastos FDN, Netto J, Pastre CM. Temporal sequence of recovery-related events following maximal exercise assessed by heart rate variability and blood lactate concentration. Clin Physiol Funct Imaging 2016; 37:536-543. [DOI: 10.1111/cpf.12339] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 11/19/2015] [Indexed: 11/30/2022]
Affiliation(s)
- Rosangela Akemi Hoshi
- FAMERP - Faculdade de Medicina de São José do Rio Preto; Cardiology and Cardiovascular Surgery Departament; Transdisciplinary Nucleus of Studies on Complexity and Chaos (NUTECC); São José do Rio Preto São Paulo Brazil
| | - Luiz Carlos Marques Vanderlei
- UNESP - Universidade Estadual Paulista; campus of Presidente Prudente; Physical Therapy Departament; Presidente Pudente; São Paulo Brazil
| | - Moacir Fernandes de Godoy
- FAMERP - Faculdade de Medicina de São José do Rio Preto; Cardiology and Cardiovascular Surgery Departament; Transdisciplinary Nucleus of Studies on Complexity and Chaos (NUTECC); São José do Rio Preto São Paulo Brazil
| | - Fábio do Nascimento Bastos
- UENP - Universidade Estadual do Norte do Paraná, Physical Therapy Department, Jacarezinho; Paraná Brazil
| | - Jayme Netto
- UNESP - Universidade Estadual Paulista; campus of Presidente Prudente; Physical Therapy Departament; Presidente Pudente; São Paulo Brazil
| | - Carlos Marcelo Pastre
- UNESP - Universidade Estadual Paulista; campus of Presidente Prudente; Physical Therapy Departament; Presidente Pudente; São Paulo Brazil
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Guilkey JP, Overstreet M, Mahon AD. Heart rate recovery and parasympathetic modulation in boys and girls following maximal and submaximal exercise. Eur J Appl Physiol 2015; 115:2125-33. [PMID: 26016945 DOI: 10.1007/s00421-015-3192-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 05/18/2015] [Indexed: 10/23/2022]
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11
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Pimenta NM, Santa-Clara H, Cortez-Pinto H, Silva-Nunes J, da Lapa Rosado M, Sousa PJ, Calé R, Melo X, Sardinha LB, Fernhall B. Body composition and body fat distribution are related to cardiac autonomic control in non-alcoholic fatty liver disease patients. Eur J Clin Nutr 2013; 68:241-6. [PMID: 24300906 DOI: 10.1038/ejcn.2013.249] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 10/24/2013] [Accepted: 10/25/2013] [Indexed: 01/23/2023]
Abstract
BACKGROUND/OBJECTIVES Heart rate recovery (HRR), a cardiac autonomic control marker, was shown to be related to body composition (BC), yet this was not tested in non-alcoholic fatty liver disease (NAFLD) patients. The aim of this study was to determine if, and to what extent, markers of BC and body fat (BF) distribution are related to cardiac autonomic control in NAFLD patients. SUBJECTS/METHODS BC was assessed with dual-energy X-ray absorptiometry in 28 NAFLD patients (19 men, 51±13 years, and 9 women, 47±13 years). BF depots ratios were calculated to assess BF distribution. Subjects' HRR was recorded 1 (HRR1) and 2 min (HRR2) immediately after a maximum graded exercise test. RESULTS BC and BF distribution were related to HRR; particularly weight, trunk BF and trunk BF-to-appendicular BF ratio showed a negative relation with HRR1 (r=-0.613, r=-0.597 and r=-0.547, respectively, P<0.01) and HRR2 (r=-0.484, r=-0.446, P<0.05, and r=-0.590, P<0.01, respectively). Age seems to be related to both HRR1 and HRR2 except when controlled for BF distribution. The preferred model in multiple regression should include trunk BF-to-appendicular BF ratio and BF to predict HRR1 (r2=0.549; P<0.05), and trunk BF-to-appendicular BF ratio alone to predict HRR2 (r2=0.430; P<0.001). CONCLUSIONS BC and BF distribution were related to HRR in NAFLD patients. Trunk BF-to-appendicular BF ratio was the best independent predictor of HRR and therefore may be best related to cardiovascular increased risk, and possibly act as a mediator in age-related cardiac autonomic control variation.
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Affiliation(s)
- N M Pimenta
- 1] Exercise and Health Laboratory, Interdisciplinary Centre for the Study of Human Performance, Faculty of Human Kinetics, Technical University of Lisbon, Cruz-Quebrada, Portugal [2] Physical Activity and Health MS, Sport Sciences School of Rio Maior, Polytechnic Institute of Santarém, Rio Maior, Portugal
| | - H Santa-Clara
- Exercise and Health Laboratory, Interdisciplinary Centre for the Study of Human Performance, Faculty of Human Kinetics, Technical University of Lisbon, Cruz-Quebrada, Portugal
| | - H Cortez-Pinto
- Unidade de Nutrição e Metabolismo, Departamento de Gastrenterologia, IMM, FML, Hospital Universitário de Santa Maria, Lisbon, Portugal
| | - J Silva-Nunes
- Endocrinology Department, Curry Cabral Hospital, Lisbon, Portugal
| | - M da Lapa Rosado
- Exercise and Health Laboratory, Interdisciplinary Centre for the Study of Human Performance, Faculty of Human Kinetics, Technical University of Lisbon, Cruz-Quebrada, Portugal
| | - P J Sousa
- Cardiology Department, Santa Cruz Hospital, Carnaxide, Portugal
| | - R Calé
- Cardiology Department, Garcia de Orta Hospital, Almada, Portugal
| | - X Melo
- Exercise and Health Laboratory, Interdisciplinary Centre for the Study of Human Performance, Faculty of Human Kinetics, Technical University of Lisbon, Cruz-Quebrada, Portugal
| | - L B Sardinha
- Exercise and Health Laboratory, Interdisciplinary Centre for the Study of Human Performance, Faculty of Human Kinetics, Technical University of Lisbon, Cruz-Quebrada, Portugal
| | - B Fernhall
- Dean of the College of Applied Health Sciences, University of Illinois, Chicago, IL, USA
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12
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Pierpont GL, Adabag S, Yannopoulos D. Pathophysiology of exercise heart rate recovery: a comprehensive analysis. Ann Noninvasive Electrocardiol 2013; 18:107-17. [PMID: 23530480 DOI: 10.1111/anec.12061] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Expanded use of exercise heart rate recovery (HRR) has renewed interest in the pathophysiology of heart rate control. This study uses basic physiologic principles to construct a unique model capable of describing the full time course of sympathetic and parasympathetic activity during HRR. The model is tested in a new study of 22 diverse subjects undergoing both maximal and submaximal treadmill exercise. Based on this analysis, prolongation of HRR involves changes within the sinus node, changes in sympathetic function, in parasympathetic function, and in the central mechanisms regulating autonomic balance. The methods may provide unique insight into alterations in autonomic control in health and disease.
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Affiliation(s)
- Gordon L Pierpont
- Minneapolis Veterans Administration Medical Center, Minneapolis, MN 55417, USA.
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13
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Huang CH, Lee CW. Heart Rate Recovery in Men with Angiographically Patent Coronary Arteries. J Phys Ther Sci 2012. [DOI: 10.1589/jpts.24.1167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
| | - Chih-Wei Lee
- Department of Physical Therapy, Tzu Chi University
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14
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Dynamic component of sports is an important determinant factor of heart rate recovery. J Cardiol 2011; 58:191-6. [DOI: 10.1016/j.jjcc.2011.04.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2010] [Revised: 04/25/2011] [Accepted: 04/26/2011] [Indexed: 11/19/2022]
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15
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Relevance of Physical Fitness Levels and Exercise-Related Beliefs for Self-reported and Experimental Pain in Fibromyalgia. J Clin Rheumatol 2011; 17:295-301. [DOI: 10.1097/rhu.0b013e31822c5196] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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16
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Effect of heart-rate recovery on long-term mortality among men and women. Int J Cardiol 2010; 144:276-9. [DOI: 10.1016/j.ijcard.2009.01.053] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2009] [Accepted: 01/26/2009] [Indexed: 11/19/2022]
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17
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Jonathan C, Shani ST, Nir W, Reut Y, Einor BA, Shlomo B, Hermona S. Serum AChE Activities Predict Exercise Heart Rate Parameters of Asymptomatic Individuals. ACTA ACUST UNITED AC 2010. [DOI: 10.4236/nm.2010.12007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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