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Mao B, Yang Y, Fan Z, Li Y, Xiang W, Dong B, Hu J. Association of a Healthy Lifestyle With Ambulatory 24-Hour Blood Pressure Among Chinese Youths: A Cross-Sectional Study. Am J Hypertens 2024; 37:674-681. [PMID: 38828480 DOI: 10.1093/ajh/hpae074] [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: 03/23/2024] [Revised: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/05/2024] Open
Abstract
BACKGROUND This study aims to explore the association between a healthy lifestyle and abnormal ambulatory blood pressure (ABP) in Chinese youths. METHODS A school-based sample of 1,296 college students was investigated. A lifestyle score was calculated by synthesizing 5 lifestyle factors, including smoking, alcohol consumption, diet, physical activity, and sleeping. The total score ranged from 0 to 5, with a higher score indicating a healthier lifestyle. This score was then divided into 3 categories representing low adherence to a healthy lifestyle (0-2), medium adherence (3), and high adherence (4-5). Abnormal 24-hour blood pressure (BP) was defined as systolic BP (SBP) ≥ 130 mm Hg and/or diastolic BP (DBP) ≥ 80 mm Hg. Abnormal daytime BP was determined as daytime SBP ≥ 135 mm Hg and/or DBP ≥ 85 mm Hg, while abnormal nighttime BP was characterized as nighttime SBP ≥ 120 mm Hg and/or DBP ≥ 70 mm Hg. We assessed the associations using the binomial regression model. RESULTS Mean age was 18.81 years, and 74.5% were women. The prevalence of abnormal 24-hour BP, daytime BP, and nighttime BP are 4.2%, 3.7%, and 9.0%, respectively. We found that participants with a high level of adherence to a healthy lifestyle had a significantly lower prevalence of abnormal 24-hour BP [prevalence ratios (PR) = 0.15, 95% CI: 0.05, 0.48] and abnormal daytime BP (PR = 0.16, 95%CI: 0.05, 0.52), when compared to those with a low level of adherence and after adjusting for the potential covariates. CONCLUSIONS A healthier lifestyle is associated with a better ambulatory BP profile among youths.
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Affiliation(s)
- Bin Mao
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Yide Yang
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Zehui Fan
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Yuxian Li
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Wanyun Xiang
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Bin Dong
- Institute of Child and Adolescent Health, School of Public Health, Peking University Health Science Center, Beijing 100191, China
| | - Jie Hu
- Menzies Health Institute Queensland, Griffith University, Brisbane, Queensland 4111, Australia
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Liu K, Bai Y, Wu D, Zhang Z, Liao X, Wu H, Deng Q. Healthy lifestyle and essential metals attenuated association of polycyclic aromatic hydrocarbons with heart rate variability in coke oven workers. Int J Hyg Environ Health 2024; 256:114323. [PMID: 38237548 DOI: 10.1016/j.ijheh.2024.114323] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/07/2024] [Accepted: 01/09/2024] [Indexed: 02/06/2024]
Abstract
Whether adopting healthy lifestyles and maintaining moderate levels of essential metals could attenuate the reduction of heart rate variability (HRV) related to polycyclic aromatic hydrocarbons (PAHs) exposure are largely unknown. In this study, we measured urinary metals and PAHs as well as HRV, and constructed a healthy lifestyle score in 1267 coke oven workers. Linear regression models were used to explore the association of healthy lifestyle score and essential metals with HRV, and interaction analysis was performed to investigate the potential interaction between healthy lifestyle score, essential metals, and PAHs on HRV. Mean age of the participants was 41.9 years (84.5% male). Per one point higher healthy lifestyle score was associated with a 2.5% (95% CI, 1.0%-3.9%) higher standard deviation of all normal to normal intervals (SDNN), 2.1% (95% CI, 0.5%-3.6%) higher root mean square of successive differences in adjacent NN intervals (r-MSSD), 4.3% (95% CI, 0.4%-8.2%) higher low frequency, 4.4% (95% CI, 0.2%-8.5%) higher high frequency, and 4.4% (95% CI, 1.2%-7.6%) higher total power, respectively. Urinary level of chromium was positively associated with HRV indices, with the corresponding β (95% CI) (%) was 5.17 (2.84, 7.50) for SDNN, 4.29 (1.74, 6.84) for r-MSSD, 12.26 (6.08, 18.45) for low frequency, 12.61 (5.87, 19.36) for high frequency, and 11.31 (6.19, 16.43) for total power. Additionally, a significant interaction was found between healthy lifestyle score and urinary total hydroxynaphthalene on SDNN (Pinteraction = 0.04), and higher level of urinary chromium could attenuate the adverse effect of total hydroxynaphthalene level on HRV (all Pinteraction <0.05). Findings of our study suggest adopting healthy lifestyle and maintaining a relatively high level of chromium might attenuate the reduction of HRV related to total hydroxynaphthalene exposure.
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Affiliation(s)
- Kang Liu
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 511436, Guangdong, China
| | - Yansen Bai
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 511436, Guangdong, China
| | - Degang Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Guangzhou Medical University, Guangzhou, 511436, Guangdong, China
| | - Zhaorui Zhang
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 511436, Guangdong, China
| | - Xiaojing Liao
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, Guangdong, China
| | - Haimei Wu
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, Guangdong, China
| | - Qifei Deng
- Department of Epidemiology and Biostatistics, School of Public Health, Guangzhou Medical University, Guangzhou, 511436, Guangdong, China.
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Mograss M, Frimpong E, Vilcourt F, Chouchou F, Zvionow T, Dang-Vu TT. The effects of acute exercise and a nap on heart rate variability and memory in young sedentary adults. Psychophysiology 2024; 61:e14454. [PMID: 37855092 DOI: 10.1111/psyp.14454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/29/2023] [Accepted: 09/20/2023] [Indexed: 10/20/2023]
Abstract
Recent evidence suggests that the autonomic nervous system can contribute to memory consolidation during sleep. Whether fluctuations in cardiac autonomic activity during sleep following physical exercise contribute to the process of memory consolidation has not been studied. We assessed the effects of a non-rapid eye movement (NREM) nap following acute exercise on cardiac autonomic regulation assessed with heart rate variability (HRV) to examine if HRV influences memory processes. Fifty-six (59% female) healthy young adults (23.14 ± 3.74 years) were randomly allocated to either the exercise plus nap (ExNap, n = 27) or nap alone (NoExNap, n = 29) groups. The ExNap group performed a 40-minute moderate-intensity cycling, while the NoExNap group was sedentary prior to learning 45 neutral pictures for a later test. Subsequently, participants underwent a 60-minute NREM nap while measuring EKG, followed by a visual recognition test. Our results indicated that heart rate did not significantly differ between the groups (p = .243), whereas vagally mediated HRV indices were lower in the ExNap group compared to the NoExNap group (p < .05). There were no significant differences in sleep variables between the groups (p > .05). Recognition accuracy was significantly higher in the ExNap group than in the NoExNap group (p = .027). In addition, the recognition accuracy of the ExNap group was negatively associated with vagally mediated HRV (p < .05). Pre-nap acute exercise appears to attenuate parasympathetic activity and to alter the relationship between memory and cardiac autonomic activity.
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Affiliation(s)
- Melodee Mograss
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
- Department of Psychology, Concordia University, Montreal, Quebec, Canada
- PERFORM Centre, Concordia University, Montreal, Quebec, Canada
| | - Emmanuel Frimpong
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
- PERFORM Centre, Concordia University, Montreal, Quebec, Canada
- Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montreal, Quebec, Canada
| | - Franck Vilcourt
- IRISSE Laboratory (EA4075), UFR SHE, University of La Réunion, Le Tampon, France
| | - Florian Chouchou
- IRISSE Laboratory (EA4075), UFR SHE, University of La Réunion, Le Tampon, France
| | - Tehila Zvionow
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
| | - Thien Thanh Dang-Vu
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
- PERFORM Centre, Concordia University, Montreal, Quebec, Canada
- Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montreal, Quebec, Canada
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Wohlwend NF, Grossmann K, Aeschbacher S, Weideli OC, Telser J, Risch M, Conen D, Risch L. The Association of suPAR with Cardiovascular Risk Factors in Young and Healthy Adults. Diagnostics (Basel) 2023; 13:2938. [PMID: 37761305 PMCID: PMC10530210 DOI: 10.3390/diagnostics13182938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 09/06/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
The soluble urokinase plasminogen activator receptor (suPAR), as a correlate of chronic low-grade inflammation, may be used to predict individual cardiovascular risk. Since chronic low-grade inflammation is thought to be associated with the development of cardiovascular disease, this study aimed to evaluate if suPAR plasma levels are correlated with cardiovascular risk factors in young and healthy adults (aged 25-41 years). Consequently, data from the GAPP (genetic and phenotypic determinants of blood pressure and other cardiovascular risk factors) study were used to investigate suPAR plasma levels in relation to the following cardiovascular risk factors and laboratory parameters: BMI, physical activity, alcohol consumption, smoking status, blood pressure parameters, glucose status, and lipid levels. Additionally, suPAR was compared to the healthy lifestyle score and the Framingham score representing the overall cardiovascular risk profile. These associations were assessed using two different statistical approaches. Firstly, all cardiovascular risk factors and scores were compared amongst sex-specific suPAR plasma levels with ANOVA analysis. Secondly, sex-specific multivariable linear regressions were performed. Female participants had higher plasma suPAR levels than male participants (1.73 ng/mL versus 1.50 ng/mL; p < 0.001). A significant inverse correlation between suPAR plasma levels and HDL cholesterol was found in men (p = 0.001) and women (p < 0.001). Furthermore, male (p < 0.001) and female participants (p < 0.001) who smoked showed significantly higher plasma levels of suPAR (p < 0.001). For male participants, an inverse correlation of the healthy lifestyle score with suPAR plasma levels (p = 0.001) and a positive correlation of the Framingham score with suPAR plasma levels (p < 0.001) were detected. In women, no such correlation was found. The cholesterol levels (p = 0.001) and HbA1c (p = 0.008) correlated significantly with plasma suPAR levels in female participants. suPAR plasma levels were found to be strongly associated with certain cardiovascular risk factors; however, sex-specific differences were found. These sex-specific differences might be explained by the higher prevalence of cardiovascular risk factors in men resulting in a stronger correlation of suPAR as a marker of low-grade inflammation, since the existence of the risk factors already led to subclinical damage in men. Further research on suPAR levels in an older study population is needed.
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Affiliation(s)
| | - Kirsten Grossmann
- Dr. Risch Medical Laboratory, 9490 Vaduz, Liechtenstein
- Faculty of Medical Sciences, Private University in the Principality of Liechtenstein, 9495 Triesen, Liechtenstein
| | - Stefanie Aeschbacher
- Cardiovascular Research Institute Basel, Division Cardiology, University Hospital Basel, University of Basel, 4031 Basel, Switzerland
| | - Ornella C. Weideli
- Dr. Risch Medical Laboratory, 9490 Vaduz, Liechtenstein
- Soneva Fushi, Boduthakurufaanu Magu, Male 20077, Maldives
| | - Julia Telser
- Dr. Risch Medical Laboratory, 9490 Vaduz, Liechtenstein
- Faculty of Medical Sciences, Private University in the Principality of Liechtenstein, 9495 Triesen, Liechtenstein
| | - Martin Risch
- Dr. Risch Medical Laboratory, 9490 Vaduz, Liechtenstein
- Division of Laboratory Medicine, Cantonal Hospital Graubünden, 7007 Chur, Switzerland
| | - David Conen
- Population Health Research Institute, McMaster University, Hamilton, ON L8L 2X2, Canada
| | - Lorenz Risch
- Dr. Risch Medical Laboratory, 9490 Vaduz, Liechtenstein
- Faculty of Medical Sciences, Private University in the Principality of Liechtenstein, 9495 Triesen, Liechtenstein
- Department of Laboratory Medicine, Institute of Clinical Chemistry, Inselspital Bern University Hospital, University of Berne, 3012 Berne, Switzerland
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Carnevali L, Barbetti M, Statello R, Williams DP, Thayer JF, Sgoifo A. Sex differences in heart rate and heart rate variability in rats: Implications for translational research. Front Physiol 2023; 14:1170320. [PMID: 37035663 PMCID: PMC10080026 DOI: 10.3389/fphys.2023.1170320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 03/16/2023] [Indexed: 04/11/2023] Open
Abstract
The present study aimed to investigate sex differences in measures of cardiac chronotropy and heart rate variability (HRV) in 132 young adult wild-type Groningen rats (n = 45 females). Electrocardiographic signals were recorded for 48 h in freely moving rats to quantify heart rate (HR) and inter-beat interval (IBI) as measures of cardiac chronotropy, and time- and frequency-domain HRV parameters as physiological readouts of cardiac vagal modulation. Females showed greater vagally-mediated HRV despite having higher HR and shorter IBI than males during undisturbed conditions. Such differences were evident i) at any given level of HRV, and ii) both during the 12-h light/inactive and 12-h dark/active phase of the daily cycle. These findings replicate the paradoxical cardiac chronotropic control reported by human meta-analytic findings, since one would expect greater vagally-mediated HRV to be associated with lower HR and longer IBI. Lastly, the association between some HRV measures and HR was stronger in female than male rats. Overall, the current study in young adult rats provides data illustrating a sex-dependent association between vagally-mediated HRV and indexes of cardiac chronotropy. The current results i) are in line with human findings, ii) suggest to always consider biological sex in the analysis and interpretation of HRV data in rats, and iii) warrant the use of rats for investigating the neuro-hormonal basis and temporal evolution of the impact of sex on the association between vagally-mediated HRV and cardiac chronotropy, which could inform the human condition.
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Affiliation(s)
- Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
- *Correspondence: Luca Carnevali,
| | - Margherita Barbetti
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
| | - Rosario Statello
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - DeWayne P. Williams
- Department of Psychological Science, University of California, Irvine, Irvine, United States
| | - Julian F. Thayer
- Department of Psychological Science, University of California, Irvine, Irvine, United States
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
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Liu S, Li C, Chu M, Zhang W, Wang W, Wang Y, Guo X, Deng F. Associations of forest negative air ions exposure with cardiac autonomic nervous function and the related metabolic linkages: A repeated-measure panel study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 850:158019. [PMID: 35973547 DOI: 10.1016/j.scitotenv.2022.158019] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 07/29/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
Forest environment has many health benefits, and negative air ions (NAI) is one of the major forest environmental factors. Many studies have explored the effect of forest environment on cardiac autonomic nervous function, while forest NAI in the among function and the underlying mechanism still remain unclear. To explore the associations and molecular linkages between short-term exposure to forest NAI and heart rate variability (HRV), a repeated-measure panel study was conducted among 31 healthy adults. Participants were randomly selected to stay in a forest park for 3 days and 2 nights. Individual exposures including NAI were monitored simultaneously and HRV indices were measured repeatedly at the follow-up period. Urine samples were collected for non-targeted metabolomics analysis. Mixed-effect models were adopted to evaluate associations among NAI, HRV indices and metabolites. The median of NAI concentration was 68.11 (138.20) cm-3 during the study period. Short-term exposure to forest NAI was associated with the ameliorative HRV indices, especially the excitatory parasympathetic nerve. For instance, per interquartile range increase of 5-min moving average of NAI was associated with 9.99 % (95%CI: 8.95 %, 11.03 %) increase of power in high frequency. Eight metabolites were associated with NAI exposure. The down-regulated tyrosine metabolism was firstly observed, followed by other amino acid metabolic alterations. The NAI-related metabolic changes reflect the reduction of inflammation and oxidative stress. HRV indices were associated with 25 metabolites, mainly including arginine, proline and histidine metabolism. Short-term exposure to forest NAI is beneficial to HRV, especially to the parasympathetic nerve activity, by successively disturbing different metabolic pathways which mainly reflect the increased anti-inflammation and the reduced inflammation. The results will provide epidemiological evidences for developing forest therapy and improving cardiac autonomic nervous function.
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Affiliation(s)
- Shan Liu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Chen Li
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Mengtian Chu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Wenlou Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Wanzhou Wang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Yazheng Wang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Xinbiao Guo
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Furong Deng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China.
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Wang Z, Zhu K, Kaur A, Recker R, Yang J, Kiourti A. Quantifying Cognitive Workload Using a Non-Contact Magnetocardiography (MCG) Wearable Sensor. SENSORS (BASEL, SWITZERLAND) 2022; 22:9115. [PMID: 36501816 PMCID: PMC9735863 DOI: 10.3390/s22239115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Quantifying cognitive workload, i.e., the level of mental effort put forth by an individual in response to a cognitive task, is relevant for healthcare, training and gaming applications. However, there is currently no technology available that can readily and reliably quantify the cognitive workload of an individual in a real-world environment at a seamless way and affordable price. In this work, we overcome these limitations and demonstrate the feasibility of a magnetocardiography (MCG) sensor to reliably classify high vs. low cognitive workload while being non-contact, fully passive and low-cost, with the potential to have a wearable form factor. The operating principle relies on measuring the naturally emanated magnetic fields from the heart and subsequently analyzing the heart rate variability (HRV) matrix in three time-domain parameters: standard deviation of RR intervals (SDRR); root mean square of successive differences between heartbeats (RMSSD); and mean values of adjacent R-peaks in the cardiac signals (MeanRR). A total of 13 participants were recruited, two of whom were excluded due to low signal quality. The results show that SDRR and RMSSD achieve a 100% success rate in classifying high vs. low cognitive workload, while MeanRR achieves a 91% success rate. Tests for the same individual yield an intra-subject classification accuracy of 100% for all three HRV parameters. Future studies should leverage machine learning and advanced digital signal processing to achieve automated classification of cognitive workload and reliable operation in a natural environment.
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Affiliation(s)
- Zitong Wang
- ElectroScience Laboratory, Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Keren Zhu
- ElectroScience Laboratory, Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Archana Kaur
- Center for Injury Research and Policy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH 43215, USA
| | - Robyn Recker
- Center for Injury Research and Policy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH 43215, USA
| | - Jingzhen Yang
- Center for Injury Research and Policy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH 43215, USA
| | - Asimina Kiourti
- ElectroScience Laboratory, Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH 43210, USA
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Association of Gut Microbial Genera with Heart Rate Variability in the General Japanese Population: The Iwaki Cross-Sectional Research Study. Metabolites 2022; 12:metabo12080730. [PMID: 36005602 PMCID: PMC9414323 DOI: 10.3390/metabo12080730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/03/2022] [Accepted: 08/05/2022] [Indexed: 11/17/2022] Open
Abstract
The gut microbiota has become a significant factor associated with health and disease. Although many studies have reported the implications of changes in the gut microbiota on cardiovascular diseases, there are no reports on the relationship between heart rate variability (HRV) and the gut microbiota. Therefore, we investigated the association between gut microbiota abundance and HRV parameters in this cross-sectional study of the general Japanese population. This study included 950 participants of the Iwaki Health Promotion Project who underwent a medical examination in 2019 that included HRV and gut microbiota measurements. At the genus level, multivariate regression analysis showed that higher gut microbial diversity was associated with a higher standard deviation of RR intervals (SDNN). Moreover, a higher SDNN was associated with a higher relative count of Lachnospiraceae incertae sedis. L. incertae sedis abundance was associated with higher HRV parameters such as SDNN, coefficient of variation of RR intervals, low-frequency component power (LF)/high-frequency component power, and LF. In the general Japanese population, higher gut microbial diversity and L. incertae sedis abundance were associated with higher HRV parameters.
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Manresa-Rocamora A, Sarabia JM, Javaloyes A, Flatt AA, Moya-Ramón M. Heart Rate Variability-Guided Training for Enhancing Cardiac-Vagal Modulation, Aerobic Fitness, and Endurance Performance: A Methodological Systematic Review with Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:10299. [PMID: 34639599 PMCID: PMC8507742 DOI: 10.3390/ijerph181910299] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/25/2021] [Accepted: 09/27/2021] [Indexed: 12/25/2022]
Abstract
PURPOSE This systematic review with meta-analysis was conducted to establish whether heart rate variability (HRV)-guided training enhances cardiac-vagal modulation, aerobic fitness, or endurance performance to a greater extent than predefined training while accounting for methodological factors. METHODS We searched Web of Science Core Collection, Pubmed, and Embase databases up to October 2020. A random-effects model of standardized mean difference (SMD) was estimated for each outcome measure. Chi-square and the I2 index were used to evaluate the degree of homogeneity. RESULTS Accounting for methodological factors, HRV-guided training was superior for enhancing vagal-related HRV indices (SMD+ = 0.50 (95% confidence interval (CI) = 0.09, 0.91)), but not resting HR (SMD+ = 0.04 (95% CI = -0.34, 0.43)). Consistently small but non-significant (p > 0.05) SMDs in favor of HRV-guided training were observed for enhancing maximal aerobic capacity (SMD+ = 0.20 (95% CI = -0.07, 0.47)), aerobic capacity at second ventilatory threshold (SMD+ = 0.26 (95% CI = -0.05, 0.57)), and endurance performance (SMD+ = 0.20 (95% CI = -0.09, 0.48)), versus predefined training. No heterogeneity was found for any of the analyzed aerobic fitness and endurance performance outcomes. CONCLUSION Best methodological practices pertaining to HRV index selection, recording position, and approaches for establishing baseline reference values and daily changes (i.e., fixed or rolling HRV averages) require further study. HRV-guided training may be more effective than predefined training for maintaining and improving vagal-mediated HRV, with less likelihood of negative responses. However, if HRV-guided training is superior to predefined training for producing group-level improvements in fitness and performance, current data suggest it is only by a small margin.
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Affiliation(s)
- Agustín Manresa-Rocamora
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.M.-R.); (J.M.S.); (A.J.)
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernandez University, 03550 Alicante, Spain
| | - José Manuel Sarabia
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.M.-R.); (J.M.S.); (A.J.)
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernandez University, 03550 Alicante, Spain
| | - Alejandro Javaloyes
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.M.-R.); (J.M.S.); (A.J.)
| | - Andrew A. Flatt
- Department of Health Sciences and Kinesiology, Georgia Southern University (Armstrong Campus), Savannah, GA 31419, USA;
| | - Manuel Moya-Ramón
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.M.-R.); (J.M.S.); (A.J.)
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernandez University, 03550 Alicante, Spain
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Vargas-Román K, Cortés-Martín J, Sánchez-García JC, Rodríguez-Blanque R, De La Fuente-Solana EI, Díaz-Rodríguez L. Autonomic Imbalance in Lymphoma Survivors. J Clin Med 2021; 10:jcm10194391. [PMID: 34640409 PMCID: PMC8509196 DOI: 10.3390/jcm10194391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 08/18/2021] [Accepted: 09/22/2021] [Indexed: 12/16/2022] Open
Abstract
Among the types of blood cancers, non-Hodgkin lymphoma is the most common. The usual treatments for this type of cancer can cause heart failure. A descriptive observational study was conducted that included 16 non-Hodgkin lymphoma survivors and 16 healthy controls matched by age and sex. Vagal tone was evaluated in the short term with a three-channel Holter device, and the time and frequency domains were analyzed following a previously accepted methodology to evaluate cardiac autonomic balance. The results of the analysis revealed that the standard deviation of the NN interval (F = 6.25, p = 0.021) and the square root of the mean of the sum of the differences between NN intervals (F = 9.74, p = 0.004) were significantly higher in healthy subjects than in lymphoma survivors. In the heart rate variability (HRV) index, there were no significant differences between the groups (F = 0.03, p = 0.85), nor in the parameters of the frequency domains LF (F = 1.94, p = 0.17), HF (F = 0.35, p = 0.55), and the ratio LF/HF (F = 3.07, p = 0.09). HRV values were lower in non-Hodgkin lymphoma survivors in the first year after treatment, resulting in autonomic imbalance compared to healthy paired subjects.
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Affiliation(s)
- Keyla Vargas-Román
- Research Group CTS1068, Andalusia Research Plan, Junta de Andalucía, 18014 Granada, Spain; (J.C.-M.); (J.C.S.-G.); (R.R.-B.); (L.D.-R.)
- Spanish Education Ministry Program FPU16/01437, Methodology of Behavioral Sciences Department, Faculty of Psychology, University of Granada, 18071 Granada, Spain
- Correspondence:
| | - Jonathan Cortés-Martín
- Research Group CTS1068, Andalusia Research Plan, Junta de Andalucía, 18014 Granada, Spain; (J.C.-M.); (J.C.S.-G.); (R.R.-B.); (L.D.-R.)
| | - Juan Carlos Sánchez-García
- Research Group CTS1068, Andalusia Research Plan, Junta de Andalucía, 18014 Granada, Spain; (J.C.-M.); (J.C.S.-G.); (R.R.-B.); (L.D.-R.)
- Department of Nursing, School of Health Sciences, University of Granada, 18016 Granada, Spain
| | - Raquel Rodríguez-Blanque
- Research Group CTS1068, Andalusia Research Plan, Junta de Andalucía, 18014 Granada, Spain; (J.C.-M.); (J.C.S.-G.); (R.R.-B.); (L.D.-R.)
- Health Technology Park, San Cecilio University Hospital, 18016 Granada, Spain
| | | | - Lourdes Díaz-Rodríguez
- Research Group CTS1068, Andalusia Research Plan, Junta de Andalucía, 18014 Granada, Spain; (J.C.-M.); (J.C.S.-G.); (R.R.-B.); (L.D.-R.)
- Department of Nursing, School of Health Sciences, University of Granada, 18016 Granada, Spain
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11
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Liberda EN, Zuk AM, Tsuji LJS. Heart rate variation and human body burdens of environmental mixtures in the Cree First Nation communities of Eeyou Istchee, Canada. ENVIRONMENT INTERNATIONAL 2021; 146:106220. [PMID: 33120227 DOI: 10.1016/j.envint.2020.106220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/25/2020] [Accepted: 10/14/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Heart rate variability (HRV) is a measure of cardiac autonomic regulation that examines the variation in beat-to-beat fluctuations in heart rate. While many exposure-based studies have examined the effects of single or similar groups of contaminants on HRV parameters, none have examined the association between complex environmental mixtures, including organic and elemental contaminants, and HRV. METHODS Using data collected from the Multi-Community Environment-and-Health Study in Eeyou Istchee (Quebec, Canada), we assessed HRV in two time domain measures: root mean square of successive differences (RMSSD) and standard deviation of the N-N (RR) intervals (SDNN); and in three frequency domains: high frequency (HF), low-frequency (LF), and very-low frequency (VLF) in 443 participants. We first examined mixture effects of nineteen organic and metal contaminants in blood using principal component analysis (PCA) and a multivariable general linear regression on HRV responses, adjusting for age, sex, body mass index, smoking status, and kidney disease covariates. We subsequently assessed HRV outcome response variables using Bayesian kernel machine regression (BKMR) to further examine individual contaminant contribution and overall mixture effects. RESULTS In the PCA, a significant positive association was observed between RMSSD and principal component (PC) axis 2, which was highly positively-loaded for nickel and moderately negatively-loaded for mercury. A negative association between SDNN and PC-1, which was highly positively-loaded for all PCBs (polychlorinated biphenyls) and organochlorines and moderately positively-loaded for mercury, was observed. Additionally, a significant and positive association was observed between PC-2 and SDNN and a significant and negative association between PC-3 (negatively loaded for cadmium) and LF. Associations with contaminants were not observed for HF or VLF. BKMR results suggest that trans-nonachlor and cis-nonachlor are primarily responsible for reductions in HRV; however, their contributions to HRV deficits was non-significant when examined as a complete mixture. CONCLUSIONS While PCA results suggested that organochlorines, mercury, nickel, and cadmium may all play a role in altering various HRV, subsequent BKMR analysis illustrated the individual components driving these effects may be trans- and cis-nonachlor and nickel and likely not mercury or cadmium. However, other contaminants appear to temper this effect when the entire mixture of chemicals is assessed as a whole. This study expands our knowledge of the effects of environmental contaminant mixtures on HRV, which is especially important in exposed populations such as those in the Eeyou Istchee territory, whilst utilizing novel statistical methods such as PCA and BKMR to examine co-exposures concurrently.
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Affiliation(s)
- Eric N Liberda
- School of Occupational and Public Health, Ryerson University, Toronto, Ontario, Canada.
| | - Aleksandra M Zuk
- School of Nursing, Queen's University, Kingston, Ontario, Canada; Department of Physical and Environmental Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Leonard J S Tsuji
- Department of Physical and Environmental Sciences, University of Toronto, Toronto, Ontario, Canada
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12
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Tegegne BS, Man T, van Roon AM, Asefa NG, Riese H, Nolte I, Snieder H. Heritability and the Genetic Correlation of Heart Rate Variability and Blood Pressure in >29 000 Families: The Lifelines Cohort Study. Hypertension 2020; 76:1256-1262. [PMID: 32829661 PMCID: PMC7480943 DOI: 10.1161/hypertensionaha.120.15227] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/05/2020] [Accepted: 07/23/2020] [Indexed: 12/21/2022]
Abstract
Dysregulation of the cardiac autonomic nervous system, as indexed by reduced heart rate variability (HRV), has been associated with the development of high blood pressure (BP). However, the underlying pathological mechanisms are not yet fully understood. This study aimed to estimate heritability of HRV and BP and to determine their genetic overlap. We used baseline data of the 3-generation Lifelines population-based cohort study (n=149 067; mean age, 44.5). In-house software was used to calculate root mean square of successive differences and SD of normal-to-normal intervals as indices of HRV based on 10-second resting ECGs. BP was recorded with an automatic BP monitor. We estimated heritabilities and genetic correlations with variance components methods in ASReml software. We additionally estimated genetic correlations with bivariate linkage disequilibrium score regression using publicly available genome-wide association study data. The heritability (SE) estimates were 15.6% (0.90%) for SD of normal-to-normal intervals and 17.9% (0.90%) for root mean square of successive differences. For BP measures, they ranged from 24.4% (0.90%) for pulse pressure to 30.3% (0.90%) for diastolic BP. Significant negative genetic correlations (all P<0.0001) of root mean square of successive differences/SD of normal-to-normal intervals with systolic BP (-0.20/-0.16) and with diastolic BP (-0.15/-0.13) were observed. LD score regression showed largely consistent genetic correlation estimates of root mean square of successive differences/SD of normal-to-normal intervals with systolic BP (range, -0.08 to -0.23) and diastolic BP (range, -0.20 to -0.27). Our study shows a substantial contribution of genetic factors in explaining the variance of HRV and BP measures in the general population. The significant negative genetic correlations between HRV and BP indicate that genetic pathways for HRV and BP partially overlap.
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Affiliation(s)
- Balewgizie S. Tegegne
- From the Department of Epidemiology (B.S.T., T.M., N.G.A., I.N., H.S.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Tengfei Man
- From the Department of Epidemiology (B.S.T., T.M., N.G.A., I.N., H.S.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Arie M. van Roon
- Department of Vascular Medicine (A.M.v.R.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Nigus G. Asefa
- From the Department of Epidemiology (B.S.T., T.M., N.G.A., I.N., H.S.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Harriëtte Riese
- Department of Psychiatry, Interdisciplinary Center Psychopathology and Emotion Regulation (H.R.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Ilja Nolte
- From the Department of Epidemiology (B.S.T., T.M., N.G.A., I.N., H.S.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Harold Snieder
- From the Department of Epidemiology (B.S.T., T.M., N.G.A., I.N., H.S.), University Medical Center Groningen, University of Groningen, the Netherlands
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Takahashi N, Takahashi Y, Tabara Y, Kawaguchi T, Kuriyama A, Ueshima K, Kosugi S, Sekine A, Yamada R, Matsuda F, Nakayama T. Descriptive epidemiology of high frequency component based on heart rate variability from 10-second ECG data and daily physical activity among community adult residents: the Nagahama Study. Biosci Trends 2020; 14:241-247. [PMID: 32624526 DOI: 10.5582/bst.2020.03146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Characteristics of high frequency (HF) component based on heart rate variability (HRV) in a large general population remain unclear, particularly on the relationship with daily physical activity. We aimed to characterize the distribution of HF component and examine the association with daily physical activity among community residents. We performed spectral analysis of HRV from 10-second ECG recordings among 9135 residents aged 30 to 74 years in Nagahama City, Japan. HF components were log-transformed to consider the distribution. Simple correlations between HF and age were determined. Age-adjusted mean values of HF component were calculated for each questionnaire item related to daily physical activity. Multiple regression analysis was performed to examine the effect of daily physical activity on HF component value. Mean values of logarithmically-transformed HF component (lnHF) were higher in women than in men (p < 0.001). lnHF was inversely associated with age (r = -0.40, -0.49 for men, women, respectively). Adjusted mean lnHF for physically active people was significantly higher than that in inactive people (p < 0.001). HF components from 10-second ECG recordings were moderately and negatively correlated with age in both sexes, and positively correlated with daily physical activity in the general adult population. Maintaining the level of daily physical activity, especially to exercise regularly could keep the parasympathetic function high.
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Affiliation(s)
- Naomi Takahashi
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
| | - Yoshimitsu Takahashi
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
| | - Yasuharu Tabara
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takahisa Kawaguchi
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Kuriyama
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
| | - Kenji Ueshima
- Department of EBM Research, Institute for Advancement of Clinical and Translational Science, Kyoto University Hospital, Kyoto, Japan
| | - Shinji Kosugi
- Department of Medical Ethics and Medical Genetics, Kyoto University School of Public Health, Kyoto, Japan
| | - Akihiro Sekine
- Department of Omics-based Medicine, Clinical Preventive Medical Sciences, Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fumihiko Matsuda
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takeo Nakayama
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
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14
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de Oliveira GL, Marques AH, da Fonseca VF, Pozzolo BA, Panacioni F, Santos TC, Guedes AA, Mocelin AG, Bertin RL, Ulbrich AZ. Handrail support interference in cardiac autonomic modulation adjustments in young adults during maximal exercise testing. Sci Rep 2020; 10:11196. [PMID: 32641857 PMCID: PMC7343795 DOI: 10.1038/s41598-020-68155-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 06/18/2020] [Indexed: 11/09/2022] Open
Abstract
The aim of this study was to investigate whether the use of handrail support during maximal exercise treadmill testing (ETT) would interfere in cardiac autonomic modulation kinetics when compared to not using handrail support. The hypothesis of overestimation in cardiac autonomic dynamics when the ETT is performed using handrail was tested. Thirty-five undergraduates (21.08 ± 2.98 years old) of both sexes, volunteered to undertake two ETT under the Ellestad protocol, in non-consecutive days. The first test (T1) was performed with handrail support and, after 7 days, the second test was performed (T2) without the support. Autonomic function was measured by heart rate variability (HRV) during both tests and resting. Estimated value of peak oxygen uptake (VO2) was 22.4% (p < 0.0001) higher in T1 when compared to T2. Overall, parasympathetic pathway was deactivated earlier in T2 than in T1, with NNxx measures variating in T1 from 10.74 ± 14.59 (ms) and in T2 from 3.48 ± 3.79 (ms). In stage two, mean values of HF in T2 corresponded to 32% of values in T1. Stage three presented a difference of 60% (p < 0.014) in LF between means reached in T1 and T2. Lastly, the association of LF and VO2 persisted longer in T1 stages than in T2 and was verified in early stages (S2 and S3) of both ETTs. Our findings suggest that parasympathetic influences on HR were slightly prolonged during ETT when subjects hold onto the treadmill.
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Affiliation(s)
- Giovanna Lima de Oliveira
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Adriana Hernandez Marques
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Vanessa Ferrari da Fonseca
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Beatriz Augusta Pozzolo
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Fernanda Panacioni
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Taís Capucho Santos
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Amanda Archeleiga Guedes
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Aurenzo Gonçalves Mocelin
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil
| | - Renata Labronici Bertin
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil.,Department of Nutrition, Center for Health Sciences, Federal University of Parana (UFPR), Curitiba, PR, Brazil
| | - Anderson Zampier Ulbrich
- Research Group of Exercise Medicine (MedEx), Federal University of Parana (UFPR), Padre Camargo Street, 280 - Alto da Gloria, Curitiba, PR, 80060-240, Brazil. .,Department of Integrative Medicine, Center for Health Sciences, Federal University of Parana (UFPR), Curitiba, PR, Brazil.
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15
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Oliveira C, Silveira EA, Rosa L, Santos A, Rodrigues AP, Mendonça C, Silva L, Gentil P, Rebelo AC. Risk Factors Associated with Cardiac Autonomic Modulation in Obese Individuals. J Obes 2020; 2020:7185249. [PMID: 32318288 PMCID: PMC7152942 DOI: 10.1155/2020/7185249] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 03/07/2020] [Indexed: 12/18/2022] Open
Abstract
Obesity leads to an imbalance in the autonomic nervous system, especially in increased sympathetic modulation and decreased vagal tone, and some anthropometric, metabolic, and lifestyle variables may increase the risk of developing cardiovascular disease. Objective. To analyze the association between cardiovascular autonomic modulation and biochemical and anthropometric markers, food intake, and physical activity level in severely obese individuals. Methodology. The present study is a cutout of a randomized clinical trial "Effect of nutritional intervention and olive oil in severe obesity" (DieTBra Trial), where the baseline data were analyzed. Anthropometric data, biochemical exams, heart rate variability (HRV), accelerometry, and 24 h recall (R24H) of obese patients (body mass index BMI ≥35 kg/m2) were collected. Results. 64 obese patients were analyzed, with a mean age of 39.10 ± 7.74 years (27 to 58 years). By HRV analysis, in the frequency domain, the obese had a higher predominance of sympathetic autonomic modulation (low frequency (LF) 56.44 ± 20.31 nu) and lower parasympathetic modulation (high frequency (HF) 42.52 ± 19.18 nu). A negative association was observed between the variables Homeostasis Evaluation Model (HOMA-IR) and HF (p = 0.049). In the physical activity analysis, there was a negative association between moderate to vigorous physical activity and the sympathetic component (p = 0.043), and for sedentary time (ST), there was a negative association with HF (p = 0.049) and LF/HF (p = 0.036) and a positive association with LF (p = 0.014). For multiple linear regression, waist circumference (WC) and HOMA-IR values were negatively associated with HF (β = -0.685, p = 0.010; β = -14.989, p = 0.010; respectively). HOMA-IR (β = 0.141, p = 0.003) and the percentage of lipids ingested (β = -0.030, p = 0.043) were negatively associated with LF/HF. Conclusion. Among the cardiovascular risk variables studied, insulin resistance and central adiposity showed the greatest influence on cardiac autonomic modulation of obese, increasing the risk for cardiovascular disease.
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Affiliation(s)
- Camila Oliveira
- Medicine Faculty, Health Science Post-Graduation Program, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Erika Aparecida Silveira
- Medicine Faculty, Coordinator of the Severe Obesity Study Group, Federal University of Goiás, Goiânia, Brazil
| | - Lorena Rosa
- Medicine Faculty, Health Science Post-Graduation Program, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Annelisa Santos
- Medicine Faculty, Health Science Post-Graduation Program, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Ana Paula Rodrigues
- Medicine Faculty, Health Science Post-Graduation Program, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Carolina Mendonça
- Medicine Faculty, Health Science Post-Graduation Program, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Lucas Silva
- Medicine Faculty, Health Science Post-Graduation Program, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Paulo Gentil
- College of Physical Education and Dance, Federal University of Goiás, Goiânia, Brazil
| | - Ana Cristina Rebelo
- Department of Morphology, Biological Sciences Institute, Federal University of Goiás, Goiânia, Goiás, Brazil
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Storniolo JL, Esposti R, Cavallari P. Heart Rate Kinetics and Sympatho-Vagal Balance Accompanying a Maximal Sprint Test. Front Psychol 2020; 10:2950. [PMID: 32038363 PMCID: PMC6987453 DOI: 10.3389/fpsyg.2019.02950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/12/2019] [Indexed: 11/13/2022] Open
Abstract
When a maximal sprint starts, heart rate (HR) quickly increases. After the exercise ends, HR keeps high for seconds before recovering with a roughly exponential decay. Such decay and its time constant (τoff) have been widely studied, but less attention was devoted to the time delay (tdelay) between sprint end and HR decay onset. Considering the correlation between sympatho-vagal balance and performance, as well as the occurrence of heart failure in cardiopaths during the post-exercise phase, we evaluated sympatho-vagal balance before and after sprint, trying to correlate it with both tdelay and τoff. R-R intervals, recorded in 24 healthy adults from 5 min before to 5 min after a 60-m sprint-test (from Storniolo et al., 2017, with permission of all authors), were re-processed to extract HR variability power (LF and HF) in the low- and high-frequency ranges, respectively. The sympatho-vagal balance, evaluated in pre-test resting period (LF/HF)REST and at steady-state recovery (LF/HF)RECOV, was correlated with tdelay and τoff. Both (LF/HF)REST and (LF/HF)RECOV had a skewed distribution. Significant rank correlation was found for (LF/HF)REST vs. τoff and for (LF/HF)RECOV vs. both τoff and tdelay. The difference (LF/HF)RECOV-REST had a normal distribution and a strong partial correlation with tdelay but not with τoff. Thus, a long tdelay marks a sympathetic activity that keeps high after exercise, while a high sympathetic activity before sprint leads to a slow recovery (high τoff), seemingly accompanying a poor performance.
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Affiliation(s)
- Jorge L Storniolo
- Human Physiology Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Roberto Esposti
- Human Physiology Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Paolo Cavallari
- Human Physiology Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
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17
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Gidron Y, De Couck M, Reynders T, Marechal R, Engelborghs S, D’hooghe M. Stronger Correlations between Neurophysiological and Peripheral Disease Biomarkers Predict Better Prognosis in Two Severe Diseases. J Clin Med 2019; 9:jcm9010026. [PMID: 31877665 PMCID: PMC7019994 DOI: 10.3390/jcm9010026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 11/16/2022] Open
Abstract
‘Mind–body’ debates assume that better brain–body associations are healthy. This study examined whether degree of associations between a neurophysiological vagal nerve index and peripheral disease biomarkers predict prognosis in pancreatic cancer (PC) and multiple sclerosis (MS). Sample 1 included 272 patients with advanced PC. Sample 2 included 118 patients with MS. We measured the vagal nerve index heart rate variability (HRV) derived from electrocardiograms. We examined associations between HRV and patients’ peripheral disease biomarkers: CA19-9 in PC and neurofilament light chain (NFL) in MS. Associations between HRV and each biomarker were examined separately in patients who survived or died (PC), and in those with and without relapse during 12 months (MS). In PC, HRV was significantly inversely related to the tumor marker CA19-9 in patients who later survived (r = −0.44, p < 0.05) but not in those who died (r = 0.10, NS). In MS, HRV was significantly and inversely related to NFL only in those who did not relapse (r = −0.25, p < 0.05), but not in those who relapsed (r = −0.05, NS). The degree of association between a neurophysiological vagal marker and peripheral disease biomarkers has prognostic value in two distinct diseases.
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Affiliation(s)
- Yori Gidron
- Department of Nursing, University of Haifa, Haifa 3498838, Israel
- Correspondence: ; Tel.: +972-50-391-4105
| | - Marijke De Couck
- Center for Neuroscience, The Free University of Brussels—VUB, 1090 Brussels, Belgium; (M.D.C.); (T.R.); (S.E.); (M.D.)
| | - Tatjana Reynders
- Center for Neuroscience, The Free University of Brussels—VUB, 1090 Brussels, Belgium; (M.D.C.); (T.R.); (S.E.); (M.D.)
- Department of Neurology, University Hospital of Antwerp, 2650 Edegem, Belgium
| | - Raphael Marechal
- Department of Gasterontology, The Free University of Brussels—ULB, 1070 Brussels, Belgium;
| | - Sebastiaan Engelborghs
- Center for Neuroscience, The Free University of Brussels—VUB, 1090 Brussels, Belgium; (M.D.C.); (T.R.); (S.E.); (M.D.)
| | - Marie D’hooghe
- Center for Neuroscience, The Free University of Brussels—VUB, 1090 Brussels, Belgium; (M.D.C.); (T.R.); (S.E.); (M.D.)
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18
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Jandackova VK, Scholes S, Britton A, Steptoe A. Healthy Lifestyle and Cardiac Vagal Modulation Over 10 Years: Whitehall II Cohort Study. J Am Heart Assoc 2019; 8:e012420. [PMID: 31547790 PMCID: PMC6806037 DOI: 10.1161/jaha.119.012420] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background Increased vagal modulation is a mechanism that may partially explain the protective effect of healthy lifestyles. However, it is unclear how healthy lifestyles relate to vagal regulation longitudinally. We prospectively examined associations between a comprehensive measure of 4 important lifestyle factors and vagal modulation, indexed by heart rate variability (HRV) over 10 years. Methods and Results The fifth (1997-1999), seventh (2002-2004), and ninth (2007-2009) phases of the UK Whitehall II cohort were analyzed. Analytical samples ranged from 2059 to 3333 (mean age: 55.7 years). A healthy lifestyle score was derived by giving participants 1 point for each healthy factor: physically active, not smoking, moderate alcohol consumption, and healthy body mass index. Two vagally mediated HRV measures were used: high-frequency HRV and root mean square of successive differences of normal-to-normal R-R intervals. Cross-sectionally, a positively graded association was observed between the healthy lifestyle score and HRV at baseline (Poverall≤0.001). Differences in HRV according to the healthy lifestyle score remained relatively stable over time. Compared with participants who hardly ever adhered to healthy lifestyles, those with consistent healthy lifestyles displayed higher high-frequency HRV (β=0.23; 95% CI, 0.10-0.35; P=0.001) and higher root mean square of successive differences of normal-to-normal R-R intervals (β=0.15; 95% CI, 0.07-0.22; P≤0.001) at follow-up after covariate adjustment. These differences in high-frequency HRV and root mean square of successive differences of normal-to-normal R-R intervals are equivalent to ≈6 to 20 years differences in chronological age. Compared with participants who reduced their healthy lifestyle scores, those with stable scores displayed higher subsequent high-frequency HRV (β=0.24; 95% CI, 0.01-0.48; P=0.046) and higher root mean square of successive differences of normal-to-normal R-R intervals (β=0.15; 95% CI, 0.01-0.29; P=0.042). Conclusions Maintaining healthy lifestyles is positively associated with cardiac vagal functioning, and these beneficial adaptations may be lost if not sustained.
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Affiliation(s)
- Vera K Jandackova
- Department of Epidemiology and Public Health University of Ostrava CZ.,Department of Human Movement Studies University of Ostrava CZ.,Research Department of Epidemiology and Public Health University College London United Kingdom
| | - Shaun Scholes
- Research Department of Epidemiology and Public Health University College London United Kingdom
| | - Annie Britton
- Research Department of Epidemiology and Public Health University College London United Kingdom
| | - Andrew Steptoe
- Research Department of Epidemiology and Public Health University College London United Kingdom.,Department of Behavioural Science and Health University College London United Kingdom
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Murgia F, Melotti R, Foco L, Gögele M, Meraviglia V, Motta B, Steger A, Toifl M, Sinnecker D, Müller A, Merati G, Schmidt G, Rossini A, Pramstaller PP, Pattaro C. Effects of smoking status, history and intensity on heart rate variability in the general population: The CHRIS study. PLoS One 2019; 14:e0215053. [PMID: 30964923 PMCID: PMC6456196 DOI: 10.1371/journal.pone.0215053] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 03/26/2019] [Indexed: 12/19/2022] Open
Abstract
Background Heart rate variability (HRV) reflects the autonomous nervous system modulation on heart rate and is associated with several pathologies, including cardiac mortality. While mechanistic studies show that smoking is associated with lower HRV, population-based studies present conflicting results. Methods We assessed the mutual effects of active smoking status, cumulative smoking history, and current smoking intensity, on HRV among 4751 adults from the Cooperative Health Research In South Tyrol (CHRIS) study. The HRV metrics standard deviation of normal-to-normal (NN) inter-beat intervals (SDNN), square root of the mean squared differences of consecutive NN intervals (RMSSD), total power (TP), low (LF) and high frequency (HF) power, and their ratio (LF/HF), were derived from 20-minute electrocardiograms. Smoking status, pack-years (PY), and tobacco grams/day from standardized questionnaires were the main exposures. We fitted linear mixed models to account for relatedness, non-linearity, and moderating effects, and including fractional polynomials. Results Past smokers had higher HRV levels than never smokers, independently of PY. The association of HRV with current smoking became apparent when accounting for the interaction between smoking status and PY. In current smokers, but not in past smokers, we observed HRV reductions between 2.0% (SDNN) and 4.9% (TP) every 5 PY increase. Furthermore, current smokers were characterized by dose-response reductions of 9.8% (SDNN), 8.9% (RMSSD), 20.1% (TP), 17.7% (LF), and 19.1% (HF), respectively, every 10 grams/day of smoked tobacco, independently of common cardiometabolic conditions and HRV-modifying drugs. The LF/HF ratio was not associated with smoking status, history, or intensity. Conclusions Smoking cessation was associated with higher HRV levels. In current smokers, heavier smoking intensity appears gradually detrimental on HRV, corroborating previous evidence. By affecting both the sympathetic and parasympathetic nervous system indexes, but not the LF/HF balance, smoking intensity seems to exert a systemic dysautonomic effect.
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Affiliation(s)
- Federico Murgia
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
- * E-mail: (CP); (PP); (FM)
| | - Roberto Melotti
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Luisa Foco
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Martin Gögele
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Viviana Meraviglia
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Benedetta Motta
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Alexander Steger
- Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Michael Toifl
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Daniel Sinnecker
- Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Alexander Müller
- Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Giampiero Merati
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano,Milano, Italy
- Centro di Medicina dello Sport, Fondazione Don C. Gnocchi, Milano, Italy
| | - Georg Schmidt
- Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Alessandra Rossini
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
| | - Peter P. Pramstaller
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
- Department of Neurology, General Central Hospital, Bolzano, Italy
- Department of Neurology, University of Lübeck, Lübeck, Germany
- * E-mail: (CP); (PP); (FM)
| | - Cristian Pattaro
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
- * E-mail: (CP); (PP); (FM)
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20
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Azuma K, Uchiyama I, Kunugita N. Factors affecting self-reported chemical intolerance: A five-year follow-up study in Japan. J Psychosom Res 2019; 118:1-8. [PMID: 30782347 DOI: 10.1016/j.jpsychores.2019.01.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 01/04/2019] [Accepted: 01/04/2019] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Chemical intolerance (CI) has become a strong public health concern in industrialized countries. The Japanese Chemical Intolerance (JCI) study was conducted in January 2012 with a cohort of 7245 adults from population-based sampling as the baseline. The aim of the present study was to investigate the factors involved in the improvement and development of CI from the five-year follow-up study. METHODS From the 7245 cohort, 735 persons with CI (case) were identified, and 1750 controls without CI were randomly selected to match gender and age for case and control groups. Self-reported questionnaires were administered to the subjects of the two groups to obtain information on status of CI; medical history; medical, lifestyle, or physical interventions; changes in living situation or occupation; and psychosomatic states. RESULTS A total of 909 individuals responded during the follow-up period. After five years, improvement in CI was observed in 67.7% of the case group. Status of CI was reported in 6.7% of the control group. Multiple logistic regression analyses revealed that baseline atopic dermatitis and negative psychosomatic states including irritability, fatigue, anxiety, depressed mood, and somatic symptoms were significantly associated with development of CI in controls. Appropriate physical activity and maintaining a regular lifestyle including diet or sleep during the last three years of the follow-up period were significant factors for improvement of CI in the case group. CONCLUSIONS Ensuring appropriate physical activity and regular lifestyle rather than improving physical environment lead to improvement of CI. Stable psychosomatic state is essential for preventing CI.
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Affiliation(s)
- Kenichi Azuma
- Department of Environmental Medicine and Behavioral Science, Kindai University Faculty of Medicine, Osakasayama 589-8511, Japan; Sick-house Medical Science Laboratory, Division of Basic Research, Louis Pasteur Center for Medical Research, Kyoto 606-8225, Japan; Department of Environmental Health, National Institute of Public Health, Wako 351-0197, Japan.
| | - Iwao Uchiyama
- Sick-house Medical Science Laboratory, Division of Basic Research, Louis Pasteur Center for Medical Research, Kyoto 606-8225, Japan.
| | - Naoki Kunugita
- Department of Environmental Health, National Institute of Public Health, Wako 351-0197, Japan.
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21
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Effects of 9 Months of Martial Arts Training on Cardiac Autonomic Modulation in Healthy Children and Adolescents. Pediatr Exerc Sci 2018; 30:487-494. [PMID: 30336749 DOI: 10.1123/pes.2017-0083] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE The aim of the study was to evaluate the cardiac autonomic modulation after 9 months of martial arts practice in healthy children and adolescents. METHOD The study included 59 children and adolescents who were divided into 3 groups: judo, Muay Thai, and control. Heart rate variability was measured by a heart rate monitor, model Polar RS800CX. The intervention occurred twice a week on nonconsecutive days, lasting 60 minutes each session. A 1-way analysis of variance was used to compare participants at baseline. The comparisons between groups at baseline and after the intervention were carried out by a 2-way analysis of variance for repeated measures. RESULTS After 9 months of intervention, significant increases were observed for root mean square successive differences, with higher values post compared with baseline (19.5%; P = .04). For SD1, an interaction effect was observed, with increased posttraining values compared with baseline (24.1%; P = .04) for the judo group. Qualitative analysis of the Poincaré plot showed greater dispersion of RR intervals, mainly beat to beat, after the judo intervention compared with the baseline. The Muay Thai and control groups presented no improvement. CONCLUSION After 9 months of intervention, there were increases in cardiac autonomic modulation of children and adolescents participating in judo training. The practice of martial arts, such as judo, can be encouraged from an early age to improve cardiovascular system functioning, possibly providing protection against cardiovascular problems.
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22
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Piepoli MF. Editor’s presentation. Eur J Prev Cardiol 2018; 25:1459-1461. [DOI: 10.1177/2047487318799428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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23
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Regieli JJ, Tuinenburg AE. Rethinking your (patients') heart rate. Eur J Prev Cardiol 2018; 25:1482-1484. [PMID: 30124329 DOI: 10.1177/2047487318793732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Jakub J Regieli
- 1 Outpatient Clinics for Multidisciplinary Care, Amsterdam, the Netherlands
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24
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Tegegne BS, Man T, van Roon AM, Riese H, Snieder H. Determinants of heart rate variability in the general population: The Lifelines Cohort Study. Heart Rhythm 2018; 15:1552-1558. [PMID: 29753022 DOI: 10.1016/j.hrthm.2018.05.006] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Indexed: 01/08/2023]
Abstract
BACKGROUND Heart rate variability (HRV) is an important marker of heart health, with low values reflecting reduced vagal control of the heart rhythm. OBJECTIVE The purpose of this study was to investigate the extent to which a broad range of demographic (age, sex), lifestyle (physical activity, smoking, alcohol use), and psychosocial factors (stress, social well-being, neuroticism) explain individual differences in HRV in the general population. METHODS Using baseline data of 10-second electrocardiograms from the Lifelines Cohort Study (n = 149,205; 58.7% female; mean age ± SD: 44.6 ± 13.2 years), we calculated the root mean square of successive differences (RMSSD) between adjacent interbeat intervals as an index of cardiac parasympathetic nervous system activity. We also calculated RMSSD adjusted for its dependency on heart rate (cRMSSD). The association of demographic, lifestyle, and psychosocial factors with RMSSD was assessed using hierarchical linear regression models adjusting for potential confounding effects of medication use, disease, and body mass index. RESULTS HRV strongly declined with age and was consistently higher in women. These demographic factors together explained 17.4% of the variance in RMSSD and 21.9% in cRMSSD. Physical activity, alcohol use, and smoking showed some significant associations with RMSSD, but stress, social well-being, and neuroticism did not. Adding lifestyle and psychosocial factors to the model additionally explained <0.50% of the variance. CONCLUSION Age and sex were the most important determinants in this very large general population cohort, explaining almost one-fifth of the individual differences in HRV. The additional contribution of lifestyle and psychosocial factors was negligible.
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Affiliation(s)
- Balewgizie Sileshi Tegegne
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Tengfei Man
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Arie M van Roon
- Department of Vascular Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Harriëtte Riese
- Interdisciplinary Center Psychopathology and Emotion Regulation, Department of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Harold Snieder
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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25
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Lagerweij GR, de Wit GA, Moons KG, van der Schouw YT, Verschuren WM, Dorresteijn JA, Koffijberg H. A new selection method to increase the health benefits of CVD prevention strategies. Eur J Prev Cardiol 2018; 25:642-650. [PMID: 29411690 PMCID: PMC5946653 DOI: 10.1177/2047487317752948] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Background Cardiovascular disease (CVD) prevention is commonly focused on providing individuals at high predicted CVD risk with preventive medication. Whereas CVD risk increases rapidly with age, current risk-based selection of individuals mainly targets the elderly. However, the lifelong (preventable) consequences of CVD events may be larger in younger individuals. The purpose of this paper is to investigate if health benefits from preventive treatment may increase when the selection strategy is further optimised. Methods Data from three Dutch cohorts were combined (n = 47469, men:women 1:1.92) and classified into subgroups based on age and gender. The Framingham global risk score was used to estimate 10-year CVD risk. The associated lifelong burden of CVD events according to this 10-year CVD risk was expressed as quality-adjusted life years lost. Based on this approach, the additional health benefits from preventive treatment, reducing this 10-year CVD risk, from selecting individuals based on their expected CVD burden rather than their expected CVD risk were estimated. These benefits were expressed as quality-adjusted life years gained over lifetime. Results When using the current selection strategy (10% risk threshold), 32% of the individuals were selected for preventive treatment. When the same proportion was selected based on burden, more younger and fewer older individuals would receive treatment. Across all individuals, the gain in quality-adjusted life years was 217 between the two strategies, over a 10-year time horizon. In addition, when combining the strategies 5% extra eligible individuals were selected resulting in a gain of 628 quality-adjusted life years. Conclusion Improvement of the selection approach of individuals can help to reduce further the CVD burden. Selecting individuals for preventive treatment based on their expected CVD burden will provide more younger and fewer older individuals with treatment, and will reduce the overall CVD burden.
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Affiliation(s)
- Ghizelda R Lagerweij
- 1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands.,2 Netherlands Heart Institute, The Netherlands
| | - G Ardine de Wit
- 1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands.,3 Center for Nutrition, Prevention and Health Services, National Institute for Public Health and the Environment, The Netherlands
| | - Karel Gm Moons
- 1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
| | - Yvonne T van der Schouw
- 1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
| | - Wm Monique Verschuren
- 3 Center for Nutrition, Prevention and Health Services, National Institute for Public Health and the Environment, The Netherlands
| | | | - Hendrik Koffijberg
- 1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands.,5 Department of Health Technology and Services Research, University of Twente, The Netherlands
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26
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Russo MA, Santarelli DM, O'Rourke D. The physiological effects of slow breathing in the healthy human. Breathe (Sheff) 2017; 13:298-309. [PMID: 29209423 PMCID: PMC5709795 DOI: 10.1183/20734735.009817] [Citation(s) in RCA: 240] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Slow breathing practices have been adopted in the modern world across the globe due to their claimed health benefits. This has piqued the interest of researchers and clinicians who have initiated investigations into the physiological (and psychological) effects of slow breathing techniques and attempted to uncover the underlying mechanisms. The aim of this article is to provide a comprehensive overview of normal respiratory physiology and the documented physiological effects of slow breathing techniques according to research in healthy humans. The review focuses on the physiological implications to the respiratory, cardiovascular, cardiorespiratory and autonomic nervous systems, with particular focus on diaphragm activity, ventilation efficiency, haemodynamics, heart rate variability, cardiorespiratory coupling, respiratory sinus arrhythmia and sympathovagal balance. The review ends with a brief discussion of the potential clinical implications of slow breathing techniques. This is a topic that warrants further research, understanding and discussion. Slow breathing techniques have been used in asthma but are there effects in healthy individuals?http://ow.ly/gCPO30eQOPZ
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Affiliation(s)
| | | | - Dean O'Rourke
- Hunter Pain Clinic, Broadmeadow, Australia.,ATUNE Health Centres, Warners Bay, Australia
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27
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Sarlon J, Plaszczyk S, Engel S, Oertel-Knöchel V. Electrophysiological parameters as biomarkers for psychiatry: Intra-individual variability and influencing factors. Int J Psychophysiol 2017; 123:42-47. [PMID: 29155050 DOI: 10.1016/j.ijpsycho.2017.11.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 10/21/2017] [Accepted: 11/15/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Jan Sarlon
- Laboratory for Neuroimaging, Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe University, Heinrich-Hoffmann-Str. 10, 60528 Frankfurt am Main, Germany; Psychiatric Hospital, Oberbergkliniken, Oberberg 1, 78132 Hornberg, Germany.
| | - Simone Plaszczyk
- Laboratory for Neuroimaging, Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe University, Heinrich-Hoffmann-Str. 10, 60528 Frankfurt am Main, Germany
| | - Sinah Engel
- Laboratory for Neuroimaging, Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe University, Heinrich-Hoffmann-Str. 10, 60528 Frankfurt am Main, Germany; Department of Neurology, University of Mainz, Langenbeckstr. 1, 55131 Mainz, Germany
| | - Viola Oertel-Knöchel
- Laboratory for Neuroimaging, Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe University, Heinrich-Hoffmann-Str. 10, 60528 Frankfurt am Main, Germany
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28
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Blum S, Muff C, Aeschbacher S, Ammann P, Erne P, Moschovitis G, Di Valentino M, Shah D, Schläpfer J, Fischer A, Merkel T, Kühne M, Sticherling C, Osswald S, Conen D. Prospective Assessment of Sex-Related Differences in Symptom Status and Health Perception Among Patients With Atrial Fibrillation. J Am Heart Assoc 2017; 6:JAHA.116.005401. [PMID: 28666988 PMCID: PMC5586278 DOI: 10.1161/jaha.116.005401] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Background We prospectively assessed sex‐specific differences in health perception, overall symptom status, and specific symptoms in a large cohort of patients with atrial fibrillation. Methods and Results We performed a prospective multicenter observational cohort study of 1553 patients with atrial fibrillation. Patients completed questionnaires about personal characteristics, comorbidities, and symptoms on a yearly basis. Mean age was 70±11 years among women and 67±12 years among men. Health perception on a visual analogue scale ranging from 0 to 100 (with higher scores indicating better health perception) was significantly lower in women than in men (70 [interquartile range: 50–80] versus 75 [interquartile range: 60–85]; P<0.0001). More women than men had any symptoms (85.0% versus 68.3%; P<0.0001), palpitations (65.2% versus 44.4%; P<0.0001), dizziness (25.6% versus 13.5%; P<0.0001), dyspnea (35.7% versus 21.8%; P<0.0001), and fatigue (25.3% versus 19.1%; P=0.006). At 1‐year follow‐up, symptoms decreased in both sexes but remained more frequent in women (49.1% versus 32.6%, P<0.0001). In multivariable adjusted longitudinal regression models, female sex remained an independent predictor for lower health perception (ß=−4.8; 95% CI, −6.5 to −3.1; P<0.0001), any symptoms (odds ratio [OR]: 2.6; 95% CI, 2.1–3.4; P<0.0001), palpitations (OR: 2.6; 95% CI, 2.1–3.2; P<0.0001), dizziness (OR: 2.9; 95% CI, 2.1–3.9; P<0.0001), dyspnea (OR: 2.1; 95% CI, 1.6–2.8; P<0.0001), fatigue (OR: 1.6; 95% CI, 1.2–2.2; P=0.0008), and chest pain (OR: 1.8; 95% CI, 1.3–2.6; P=0.001). Conclusions Women with atrial fibrillation have a substantially higher symptom burden and lower health perception than men. These relationships persisted after multivariable adjustment and during prospective follow‐up.
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Affiliation(s)
- Steffen Blum
- Division of Internal Medicine, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Christoph Muff
- Division of Internal Medicine, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Stefanie Aeschbacher
- Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Peter Ammann
- Division of Cardiology, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Paul Erne
- Lab Signal Transduction, Department of Biomedicine, University of Basel, Switzerland
| | | | | | - Dipen Shah
- Division of Cardiology, University Hospital Geneva, Geneva, Switzerland
| | - Jürg Schläpfer
- Service of Cardiology, University Hospital Lausanne, Lausanne, Switzerland
| | - Andreas Fischer
- Division of Internal Medicine, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Tamara Merkel
- Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Michael Kühne
- Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Christian Sticherling
- Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Stefan Osswald
- Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland.,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - David Conen
- Division of Cardiology, Department of Medicine, University Hospital Basel, Basel, Switzerland .,Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland.,Population Health Research Institute, McMaster University, Hamilton, Ontario, Canada
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Rodrigues JAL, Ferrari GD, Fernandes IA, Ferezin LP, Trapé ÁA, Bueno Júnior CR. Caracterização da variabilidade da frequência cardíaca em indivíduos com síndrome metabólica. REV BRAS MED ESPORTE 2017. [DOI: 10.1590/1517-869220172303164578] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Introdução: A variabilidade da frequência cardíaca (VFC) tem sido considerada um mecanismo de modulação do sistema nervoso autônomo. A diminuição da VFC pode estar associada à síndrome metabólica (SM). Objetivo: Comparar a VFC e variáveis de saúde em indivíduos com e sem SM. Métodos: Cento e dezenove participantes foram divididos em dois grupos: sem SM (SSM, n = 68) e com SM (CSM, n = 51). Foi avaliada a análise espectral da VFC em repouso, durante teste cardiopulmonar de exercício (TCPE) e na recuperação em bandas de baixa frequência (LF = 0,04-0,15 Hz), alta frequência (HF = 0,15-0,4 Hz) e razão LF/HF. Adicionalmente, a frequência cardíaca (FC) de repouso (FCrep), FC máxima (FCmáx), pressão arterial sistólica (PAS) e diastólica (PAD), glicemia, perfil lipídico, consumo de oxigênio pico (VO2pico) e composição corporal foram avaliados. Resultados: A FCrep e o VO2pico não apresentaram diferenças entre o CSM e o SSM (73,3 ± 9,1 vs. 70,1 ± 11,0 bpm) (26,8 ± 4,6 vs. 28,1 ± 6,6 ml.kg-1.min-1), respectivamente. A VFC foi similar entre os grupos nos diferentes momentos analisados. A glicemia (99,8 ± 22,5 vs. 87,6 ± 8,6 mg/dl) foi superior no CSM comparado ao SSM. Os valores de triglicérides (159,5 ± 68,8 vs. 89,2 ± 34,3 mg/dl) e VLDL-c (31,9 ± 13,8 vs. 17,8 ± 6,9 mg/dl) foram superiores no CSM comparado ao SSM. O HDL-c (40,7 ± 11,5 vs. 49,3 ± 9,8 mg/dl) foi menor no CSM comparado ao SSM. O IMC (33,1 ± 4,7 vs. 30,8 ± 3,8 Kg/m²) foi superior no CSM comparado ao SSM. A PAS (128,6 ± 12,9 vs. 119,5 ± 11,3 mmHg) e a PAD (77,2 ± 10,5 vs. 72,9 ± 8,1 mmHg) foram superiores no CSM comparado ao SSM, p < 0,05. Conclusão: Os resultados sugerem que a presença de SM não é suficiente para provocar alterações nos índices de VFC em repouso, durante teste cardiopulmonar de exercício (TCPE) e na recuperação quando os pacientes são comparados a indivíduos sem a doença.
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Aeschbacher S, Schoen T, Dörig L, Kreuzmann R, Neuhauser C, Schmidt-Trucksäss A, Probst-Hensch NM, Risch M, Risch L, Conen D. Heart rate, heart rate variability and inflammatory biomarkers among young and healthy adults. Ann Med 2017; 49:32-41. [PMID: 27534940 DOI: 10.1080/07853890.2016.1226512] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Heart rate (HR), heart rate variability (HRV), and inflammation are all associated with cardiovascular morbidity and mortality. The aim of this study was to assess potential interrelationships between these parameters in a young and healthy population. METHODS Healthy individuals aged 25-41 years were included in a prospective population-based study. All participants underwent 24-h electrocardiography using a validated device. The standard deviation of all normal RR intervals (SDNN) was pre-defined as the main HRV outcome variable. High-sensitivity C-reactive protein (hs-CRP), total leukocyte (LC) count and LC subtypes were obtained from venous blood samples. RESULTS A total of 2064 participants (47% men, 37 years) were included in this analysis. In multivariable linear regression analyses using SDNN as the outcome variable, β-coefficients (95% confidence intervals) per 1 standard deviation (SD) increase on the log-scale were -0.11 (-0.16; -0.07), p < .0001 for hs-CRP, -0.13 (-0.17; -0.09), p < .0001 for total LC count, -0.12 (-0.16; -0.08), p < .0001 for neutrophils, -0.04 (-0.09; 0.00), p = .05 for lymphocytes and -0.08 (-0.09; -0.02), p = .005 for monocytes. There were positive relationships between resting and ambulatory HR and inflammatory biomarkers, except for lymphocytes. CONCLUSION In this large cohort of young and healthy adults, inflammatory parameters were strongly associated with increased HR and decreased HRV, suggesting an important interaction between inflammatory pathways and the autonomic nervous system. Key message Inflammatory biomarkers, such as high-sensitivity C-reactive protein and leukocyte cell count with its subtypes were inversely associated with HRV and positively associated with HR. Our findings suggest important interrelationships between inflammatory pathways and the ANS.
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Affiliation(s)
- Stefanie Aeschbacher
- a Division of Internal Medicine, Department of Medicine , University Hospital Basel , Basel , Switzerland.,b Cardiovascular Research Institute Basel (CRIB), University Hospital Basel , Basel , Switzerland
| | - Tobias Schoen
- b Cardiovascular Research Institute Basel (CRIB), University Hospital Basel , Basel , Switzerland.,c Cardiology Division, University Hospital Basel , Basel , Switzerland
| | - Laura Dörig
- a Division of Internal Medicine, Department of Medicine , University Hospital Basel , Basel , Switzerland.,b Cardiovascular Research Institute Basel (CRIB), University Hospital Basel , Basel , Switzerland
| | - Rahel Kreuzmann
- a Division of Internal Medicine, Department of Medicine , University Hospital Basel , Basel , Switzerland.,b Cardiovascular Research Institute Basel (CRIB), University Hospital Basel , Basel , Switzerland
| | - Charlotte Neuhauser
- b Cardiovascular Research Institute Basel (CRIB), University Hospital Basel , Basel , Switzerland
| | - Arno Schmidt-Trucksäss
- d Department of Sport, Exercise and Health, Division Sports and Exercise Medicine , University of Basel , Basel , Switzerland
| | - Nicole M Probst-Hensch
- e Swiss Tropical and Public Health Institute , Basel , Switzerland.,f Epidemiology and Public Health, University Basel , Basel , Switzerland
| | - Martin Risch
- g Labormedizinisches Zentrum Dr Risch, Schaan, Principality of Liechtenstein.,h Division of Laboratory Medicine , Kantonsspital Graubünden , Chur , Switzerland
| | - Lorenz Risch
- g Labormedizinisches Zentrum Dr Risch, Schaan, Principality of Liechtenstein.,i Division of Clinical Biochemistry , Medical University , Innsbruck , Austria.,j Private University , Triesen , Principality of Liechtenstein
| | - David Conen
- a Division of Internal Medicine, Department of Medicine , University Hospital Basel , Basel , Switzerland.,b Cardiovascular Research Institute Basel (CRIB), University Hospital Basel , Basel , Switzerland
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Boudet G, Walther G, Courteix D, Obert P, Lesourd B, Pereira B, Chapier R, Vinet A, Chamoux A, Naughton G, Poirier P, Dutheil F. Paradoxical dissociation between heart rate and heart rate variability following different modalities of exercise in individuals with metabolic syndrome: The RESOLVE study. Eur J Prev Cardiol 2016; 24:281-296. [PMID: 27856807 DOI: 10.1177/2047487316679523] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Aims To analyse the effects of different modalities of exercise training on heart rate variability (HRV) in individuals with metabolic syndrome (MetS). Methods and results Eighty MetS participants (aged 50-70 years) were housed and managed in an inpatient medical centre for 21 days, including weekends. Physical activity and food intake/diet were intensively monitored. Participants were randomly assigned into three training groups, differing only by intensity of exercise: moderate-endurance-moderate-resistance ( re), high-resistance-moderate-endurance ( Re), and moderate-resistance-high-endurance ( rE). HRV was recorded before and after the intervention by 24-hour Holter electrocardiogram. Although mean 24-hour heart rate decreased more in Re than re (-11.6 ± 1.6 vs. -4.8 ± 2.1%; P = 0.010), low frequency/high frequency decreased more in re than Re (-20.4 ± 5.5% vs. + 20.4 ± 9.1%; P = 0.002) and rE (-20.4 ± 5.5% vs. -0.3 ± 11.1%; P = 0.003). Very low frequency increased more in Re than re (+121.2 ± 35.7 vs. 42.9 ± 11.3%; P = 0.004). For all HRV parameters, rE ranged between re and Re values. Low frequency/high frequency changes were linked with visceral fat loss only in re (coefficient 5.9, 95% CI 1.9-10.0; P = 0.004). By day 21, HRV parameters of MetS groups (heart rate -8.6 ± 1.0%, standard deviation of R-R intervals + 34.0 ± 6.6%, total power + 63.3 ± 11.1%; P < 0.001) became closer to values of 50 aged-matched healthy controls. Conclusions A 3-week residential programme with intensive volumes of physical activity (15-20 hours per week) enhanced HRV in individuals with MetS. Participants with moderate intensity of training had greater improvements in sympathovagal balance, whereas those with high intensity in resistance training had greater decreases in heart rate and greater increases in very low frequency. Modality-specific relationships were observed between enhanced HRV and visceral fat loss. Clinical Trial Registration URL: http://www.clinicaltrials.gov . Unique identifier: NCT00917917.
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Affiliation(s)
- Gil Boudet
- 1 University Clermont Auvergne, Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions (AME2P, EA3533), France.,2 University Hospital of Clermont Ferrand (CHU), Preventive and Occupational Medicine, France
| | | | - Daniel Courteix
- 1 University Clermont Auvergne, Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions (AME2P, EA3533), France
| | | | - Bruno Lesourd
- 1 University Clermont Auvergne, Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions (AME2P, EA3533), France
| | - Bruno Pereira
- 4 University Hospital of Clermont Ferrand (CHU), Clinical Research and Innovation Direction, France
| | - Robert Chapier
- 1 University Clermont Auvergne, Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions (AME2P, EA3533), France
| | - Agnès Vinet
- 3 University of Avignon, LaPEC EA4278, France
| | - Alain Chamoux
- 2 University Hospital of Clermont Ferrand (CHU), Preventive and Occupational Medicine, France
| | - Geraldine Naughton
- 5 Australian Catholic University, School of Exercise Science, Faculty of Health, Australia
| | - Paul Poirier
- 6 Centre de recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Canada.,7 Faculté de Pharmacie, Université Laval, Canada
| | - Frédéric Dutheil
- 1 University Clermont Auvergne, Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions (AME2P, EA3533), France.,2 University Hospital of Clermont Ferrand (CHU), Preventive and Occupational Medicine, France.,5 Australian Catholic University, School of Exercise Science, Faculty of Health, Australia.,8 CNRS, UMR 6024, Physiological and Psychosocial Stress, University Clermont Auvergne, France
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Adam M, Imboden M, Schaffner E, Boes E, Kronenberg F, Pons M, Bettschart R, Barthelemy JC, Schindler C, Probst-Hensch N. The adverse impact of obesity on heart rate variability is modified by a NFE2L2 gene variant: The SAPALDIA cohort. Int J Cardiol 2016; 228:341-346. [PMID: 27866025 DOI: 10.1016/j.ijcard.2016.11.049] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 09/07/2016] [Accepted: 11/05/2016] [Indexed: 01/20/2023]
Abstract
BACKGROUND Overweight has been associated with an increase in inflammatory markers and with an imbalance in the autonomic nervous system, such as a decrease in heart rate variability (HRV). In this study we aimed to investigate the modifying effect of a genetic variation in a major anti-inflammatory marker gene, NFE2L2, on the relationship between overweight and HRV. METHODS We analyzed participants of the SAPALDIA cohort aged 50years and older, twice in 2002/2003 (N=1472) and 2010/2011 (N=1235). We included persons with valid genotype data, who underwent ambulatory 24-h electrocardiogram monitoring, and reported on medical history and lifestyle. The association between HRV and BMI, measured as standard deviation of normal-to-normal intervals (SDNN) by BMI and the modifying effect of the cardiovascular health-related NFE2L2 gene variant rs2364723 were tested, applying multivariable mixed linear regression models. RESULTS We found study participants with overweight (BMI>25) over two follow-up surveys 10years apart to have a negative association between SDNN, calculated as geometric means, with BMI. The examined NFE2L2 variant sustainably modified (pinteraction=0.014) the found inverse association between a BMI increment and SDNN, causing a stronger decrement in SDNN for participants with the CC genotype (-20.7%; 95%-confidence interval: -12.33 to -28.28) compared with participants carrying the GC (-7.43; 95%CI: -3.56 to -11.15) or GG (-11.26%; 95%CI: -7.68 to -14.7) genotype, estimated for the difference from the 90th to the 10th percentile of BMI by the NFE2L2 variant. CONCLUSIONS Our results are consistent with the hypothesis that overweight decreases heart rate variability through inflammatory processes.
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Affiliation(s)
- Martin Adam
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.
| | - Medea Imboden
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.
| | - Emmanuel Schaffner
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.
| | - Eva Boes
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Florian Kronenberg
- Division of Genetic Epidemiology, Department of Medical Genetics, Molecular and Clinical Pharmacology, Medical University of Innsbruck, Innsbruck, Austria.
| | - Marco Pons
- Division of Pulmonary Medicine, Regional Hospital of Lugano, Lugano, Switzerland.
| | | | - Jean-Claude Barthelemy
- Laboratory SNA-EPIS EA4607, Department of Physiology, University Hospital of Saint-Etienne, PRES Lyon, France.
| | - Christian Schindler
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.
| | - Nicole Probst-Hensch
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.
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