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Nouraei SAR, Ayres L, Perring SJ. Baroreflex Sensitivity in Patients With Laryngopharyngeal Dysfunction-The Overwhelmed Vagus Hypothesis. JAMA Otolaryngol Head Neck Surg 2024:2822946. [PMID: 39235785 PMCID: PMC11378070 DOI: 10.1001/jamaoto.2024.2270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
Importance The autonomic nervous system maintains internal stability by concurrently prioritizing and managing different functions. It is currently not known whether dysfunction at the aerodigestive junction could overwhelm autonomic control and impair other functions. Objective To compare baroreflex sensitivity, a prognostically significant index of the autonomic system's ability to stabilize blood pressure, between patients with predominantly esophagogastric (digestive) and patients with predominantly laryngopharyngeal (aerodigestive) symptoms. Design, Setting, and Participants A cross-sectional study, between 2018 and 2019, of adults undergoing esophagal manometry or transnasal panendoscopy was carried out in a specialist center. The analysis took place between 2023 and 2024. Main Outcomes and Measures Heart rate and blood pressure were recorded and baroreflex sensitivity and heart rate variability were derived. Esophageal physiology was assessed with high-resolution manometry. Results There were 30 and 23 patients in the digestive and aerodigestive groups, respectively. The mean (SD) age was 61 (15) years and there were 26 women and 27 men. Compared with patients in the digestive group, more patients in the aerodigestive group had voice or throat symptoms and fewer had classic reflux symptoms (odds ratio [OR], 5.65; 95% CI, 1.82-17.5; OR, 2.07; 95% CI, 1.28-3.33; and OR, 0.60; 95% CI, 0.38-0.95, respectively). Patients in the aerodigestive group had higher mean (SD) resting heart rate (93 [17] vs 75 [13] min-1; difference of means, -18 min-1; 95% CI, -26 to -10), lower resting mean (SD) arterial pressure (94 [16] vs 104 [23] mm Hg, OR, 10; 95% CI, -1 to 21), lower mean (SD) baroreflex sensitivity (3.77 [0.79] vs 9.76 [2.92] s-3mm Hg-1; OR, 6.0 s-3mmHg-1; 95% CI, 4.7-7.2), and lower mean (SD) parasympathetic-spectrum heart rate variability (0.68 [0.15] vs 1.30 [0.53]; OR, 0.62; 95% CI, 0.39-0.85). There was a correlation between reduced lower esophageal relaxation (integrated relaxation pressure) and reduced baroreflex sensitivity (r = -0.33; 95% CI, -0.58 to -0.03). Conclusions In this cross-sectional study of adults undergoing esophageal manometry or transnasal panendoscopy, patients with laryngopharyngeal symptoms had reduced baroreflex sensitivity, indicating diminished vagal control compared with patients with esophagogastric symptoms. The overwhelmed vagus hypothesis may explain these responses by considering autonomic functions as competing consumers of the finite regulatory resources of a common controller. The regulatory demands of maintaining a safe airway with concurrent laryngopharyngeal sensorimotor dysfunction, superadded to baseline demands for dual speech and aerodigestive control, could overwhelm and force the system to deprioritize less immediate functions like esophageal relaxation and the baroreflex. Measuring baroreflex sensitivity, now possible in routine clinical practice, could enable phenotyping and objective outcome assessment for laryngopharyngeal dysfunction. A neurophysiological model for considering laryngopharyngeal sensorimotor dysfunction could in turn move patient care toward a more holistic autonomic health footing.
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Affiliation(s)
- S A Reza Nouraei
- The Clinical Informatics Researchers Unit, Southampton University, United Kingdom
| | - Lachlan Ayres
- Department of Gastroenterology, University Hospitals of Dorset NHS Foundation Trust, Poole, United Kingdom
| | - Stephen J Perring
- Department of Medical Physics, University Hospitals of Dorset NHS Foundation Trust, Poole, United Kingdom
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2
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Tapio J, Kiviniemi AM, Perkiömäki J, Junttila MJ, Huikuri HV, Ukkola O, Koivunen P, Tulppo MP. Lower hemoglobin levels associate with higher baroreflex sensitivity and heart rate variability. Am J Physiol Heart Circ Physiol 2023; 325:H629-H634. [PMID: 37566112 PMCID: PMC10659262 DOI: 10.1152/ajpheart.00415.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/19/2023] [Accepted: 07/31/2023] [Indexed: 08/12/2023]
Abstract
The aim of this study was to cross-sectionally examine whether hemoglobin (Hb) levels within the normal variation associate with heart rate variability (HRV) measures and baroreflex sensitivity (BRS). The study population included 733 Finnish subjects of the OPERA cohort (aged 41-59 yr, 53% males, 51.7% treated for hypertension) of whom HRV was measured from a standardized 45-min period and whose Hb levels were within the Finnish reference intervals. The low Hb tertile (mean Hb, 135 g/L) had an overall healthier metabolic profile compared with the high Hb tertile (mean Hb, 152 g/L). BRS was higher in the low Hb tertile compared with the high Hb tertile (P < 0.05). R-R interval (RRi) and standard deviation (SD) of the RRi (SDNN)index were the longest in the low Hb tertile regardless of posture. Of the spectral components of HRV, HF power was the highest in the low Hb tertile regardless of posture (P < 0.05). In a stepwise logistic regression model, BRS associated negatively with Hb levels after adjusting for covariates (B = -0.160 [-0.285; -0.035]). Similar associations were observed for SDNNindex when lying down (B = -0.105 [-0.207; -0.003]) and walking (B = -0.154 [-0.224; -0.083]). For HF power negative associations with Hb levels were observed when lying down (B = -0.110 [-0.180; -0.040]), sitting (B = -0.150 [-0.221; -0.079]), and in total analysis (B = -0.124 [-0.196; -0.053]). Overall, lower Hb levels associated independently with healthier cardiac autonomic function.NEW & NOTEWORTHY Heart rate variability (HRV) and baroreflex sensitivity (BRS), which can be measured noninvasively, can predict cardiac and metabolic diseases. Our findings show that within normal variation subjects with lower hemoglobin (Hb) levels have an overall healthier HRV profile and increased cardiac parasympathetic activity in middle age, independent of age, sex, smoking status, and key metabolic covariates. These findings support our previous findings that Hb levels can be used in assessing long-term risks for cardiometabolic diseases.
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Affiliation(s)
- Joona Tapio
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Antti M Kiviniemi
- Medical Research Center Oulu, Faculty of Medicine, Oulu University Hospital and Research Unit of Internal Medicine, University of Oulu, Oulu, Finland
| | - Juha Perkiömäki
- Medical Research Center Oulu, Faculty of Medicine, Oulu University Hospital and Research Unit of Internal Medicine, University of Oulu, Oulu, Finland
| | - M Juhani Junttila
- Medical Research Center Oulu, Faculty of Medicine, Oulu University Hospital and Research Unit of Internal Medicine, University of Oulu, Oulu, Finland
| | - Heikki V Huikuri
- Medical Research Center Oulu, Faculty of Medicine, Oulu University Hospital and Research Unit of Internal Medicine, University of Oulu, Oulu, Finland
| | - Olavi Ukkola
- Medical Research Center Oulu, Faculty of Medicine, Oulu University Hospital and Research Unit of Internal Medicine, University of Oulu, Oulu, Finland
| | - Peppi Koivunen
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Mikko P Tulppo
- Research Unit of Biomedicine and Internal Medicine, University of Oulu, Oulu, Finland
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
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3
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Soltani D, Azizi B, Sima S, Tavakoli K, Hosseini Mohammadi NS, Vahabie AH, Akbarzadeh-Sherbaf K, Vasheghani-Farahani A. A systematic review of the effects of transcutaneous auricular vagus nerve stimulation on baroreflex sensitivity and heart rate variability in healthy subjects. Clin Auton Res 2023; 33:165-189. [PMID: 37119426 DOI: 10.1007/s10286-023-00938-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 03/27/2023] [Indexed: 05/01/2023]
Abstract
PURPOSE This systematic review aimed to evaluate the effect of transcutaneous auricular vagus nerve stimulation on heart rate variability and baroreflex sensitivity in healthy populations. METHOD PubMed, Scopus, the Cochrane Library, Embase, and Web of Science were systematically searched for controlled trials that examined the effects of transcutaneous auricular vagus nerve stimulation on heart rate variability parameters and baroreflex sensitivity in apparently healthy individuals. Two independent researchers screened the search results, extracted the data, and evaluated the quality of the included studies. RESULTS From 2458 screened studies, 21 were included. Compared with baseline measures or the comparison group, significant changes in the standard deviation of NN intervals, the root mean square of successive RR intervals, the proportion of consecutive RR intervals that differ by more than 50 ms, high-frequency power, low-frequency to high-frequency ratio, and low-frequency power were found in 86%, 75%, 69%, 47%, 36%, and 25% of the studies evaluating the effects of transcutaneous auricular vagus nerve stimulation on these indices, respectively. Baroreflex sensitivity was evaluated in six studies, of which a significant change was detected in only one. Some studies have shown that the worse the basic autonomic function, the better the response to transcutaneous auricular vagus nerve stimulation. CONCLUSION The results were mixed, which may be mainly attributable to the heterogeneity of the study designs and stimulation delivery dosages. Thus, future studies with comparable designs are required to determine the optimal stimulation parameters and clarify the significance of autonomic indices as a reliable marker of neuromodulation responsiveness.
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Affiliation(s)
- Danesh Soltani
- Cardiac Primary Prevention Research Center (CPPRC), Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Bayan Azizi
- Cardiac Primary Prevention Research Center (CPPRC), Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepehr Sima
- Department of Psychology, University of Tehran, Tehran, Iran
| | - Kiarash Tavakoli
- Cardiac Primary Prevention Research Center (CPPRC), Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Negin Sadat Hosseini Mohammadi
- Cardiac Primary Prevention Research Center (CPPRC), Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Abdol-Hossein Vahabie
- Control and Intelligent Processing Center of Excellence (CIPCE), Cognitive Systems Laboratory, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran
- Department of Psychology, Faculty of Psychology and Education, University of Tehran, Tehran, Iran
| | - Kaveh Akbarzadeh-Sherbaf
- Department of Computer Engineering and Information Technology, Imam Reza International University, Mashhad, Iran
| | - Ali Vasheghani-Farahani
- Cardiac Primary Prevention Research Center (CPPRC), Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Baroreflex sensitivity derived from the Valsalva manoeuvre: A physiological protective factor for anxiety induced by breathing CO 2-enriched air. Int J Psychophysiol 2022; 179:101-109. [PMID: 35809687 DOI: 10.1016/j.ijpsycho.2022.06.019] [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: 10/05/2021] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/23/2022]
Abstract
This study aimed to determine the capacity of baroreflex sensitivity, derived from the Valsalva manoeuvre (BRS_v), to predict state anxiety induced by a biological stressor (CO2 inhalation). Healthy adults (n = 50) breathed 7.5 % CO2-enriched air for 8 min, preceded and followed by breathing medical air for 5 min. State anxiety was evaluated with a visual analogue scale. Anxiety sensitivity (Anxiety Sensitivity Index-3; ASI-3) and trait anxiety (Trait form of the State-Trait Anxiety Inventory; STAI_T) served as cognitive-affective predictors. BRS_v was adopted as a physiological predictor. Multiple regression analysis revealed that BRS_v predicted lower anxiety during CO2 exposure, and attenuated the effect of ASI-3 in increasing anxiety. No significant effects were found for STAI_T. This is the first study to identify baroreflex sensitivity as a strong protective physiological factor for anxiety beyond the effect of anxiety sensitivity.
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Babcock MC, DuBose LE, Hildreth KL, Stauffer BL, Cornwell WK, Kohrt WM, Moreau KL. Age-associated reductions in cardiovagal baroreflex sensitivity are exaggerated in middle-aged and older men with low testosterone. J Appl Physiol (1985) 2022; 133:403-415. [PMID: 35771224 PMCID: PMC9359637 DOI: 10.1152/japplphysiol.00245.2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Aging is associated with reductions in cardiovagal baroreflex sensitivity (cBRS), which increases cardiovascular disease risk. Preclinical data indicate that low testosterone reduces cBRS. We determined whether low testosterone is associated with reduced cBRS in healthy men. METHODS Twenty-six men categorized as young (N=6; age=31±4 years; testosterone=535±60 ng/dL), middle-aged/older with normal (N=10; aged 56±3 years; testosterone=493±85 ng/dL), or low (N=10; age=57±6 years; testosterone=262±31 ng/dL) testosterone underwent recordings of beat-by-beat blood pressure and R-R interval during rest and two Valsalva maneuvers, and measures of carotid artery compliance. IL-6, CRP, oxidized LDL cholesterol and TAS were measured. RESULTS Middle-aged/older men had lower cBRS compared to young men (17.0±6.5 ms/mmHg; p=0.028); middle-age/older men with low testosterone had lower cBRS (5.5±3.2 ms/mmHg; p=0.039) compared to age-matched men with normal testosterone (10.7±4.0 ms/mmHg). No differences existed among groups during Phase II of the Valsalva maneuver; middle-aged/older men with low testosterone had reduced cBRS (4.7±2.6 ms/mmHg) compared to both young (12.8±2.8ms/mmHg; p<0.001) and middle-aged/older men with normal testosterone (8.6±4.4ms/mmHg; p=0.046) during Phase IV of the Valsalva maneuver. There were no differences in oxidized LDL, (p=0.882) or TAS across groups (p=0.633). IL-6 was significantly higher in middle-aged/older men with low testosterone compared to the other groups (p<0.05 for all) and inversely correlated with cBRS (r=-0.594, p=0.007). Middle-aged/older men had reduced carotid artery compliance compared to young, regardless of testosterone status (p<0.001). CONCLUSIONS These observations indicate that low testosterone in middle-aged/older men may contribute to a reduction in cBRS; increased inflammation may also contribute to a reduction in cBRS.
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Affiliation(s)
- Matthew C Babcock
- Division of Geriatric Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Veterans Affairs Eastern Colorado Geriatric Research, Educational and Clinical Center, Denver, CO, United States
| | - Lyndsey E DuBose
- Division of Geriatric Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Veterans Affairs Eastern Colorado Geriatric Research, Educational and Clinical Center, Denver, CO, United States
| | - Kerry L Hildreth
- Division of Geriatric Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Brian L Stauffer
- Division of Cardiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Division of Cardiology, Denver Health Medical Center, Denver, CO, United States
| | - William K Cornwell
- Division of Cardiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Wendy M Kohrt
- Division of Geriatric Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Veterans Affairs Eastern Colorado Geriatric Research, Educational and Clinical Center, Denver, CO, United States
| | - Kerrie L Moreau
- Division of Geriatric Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Veterans Affairs Eastern Colorado Geriatric Research, Educational and Clinical Center, Denver, CO, United States
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6
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Mori S, Tarumi T, Kosaki K, Matsui M, Yoshioka M, Sugawara J, Kuro-O M, Saito C, Yamagata K, Maeda S. Effects of the number of sit-stand maneuver repetitions on baroreflex sensitivity and cardiovascular risk assessments. Am J Physiol Regul Integr Comp Physiol 2022; 322:R400-R410. [PMID: 35293262 DOI: 10.1152/ajpregu.00141.2021] [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: 11/22/2022]
Abstract
Sit-stand maneuvers (SSM) have increasingly been used for baroreflex sensitivity (BRS) measurement in physiological research, but it remains unknown as to how many SSM need to be performed to measure BRS and assess its relation with cardiovascular disease (CVD) risk. Therefore, this study aimed to determine 1) the effect of the number of SSM repetitions on BRS and 2) the association between BRS and CVD risk factors. Data were collected from 174 individuals during 5 minutes of spontaneous rest and 5 minutes of repeated SSM at 0.05 Hz (i.e., 15 cycles of 10-second sit and 10-second stand). During SSM, BRS was calculated from the incremental cycles of 3, 6, 9, 12, and 15 SSM using transfer function analysis of heart rate (HR) and systolic blood pressure (SBP). General CVD risk factors, carotid arterial stiffness, and cardiorespiratory fitness were measured. In result, HR and SBP increased during SSM (p<0.05). The BRS remained at a similar level during the resting and SSM conditions, while the coherence function reached its peak after 3 cycles of SSM. BRS with ≥6 cycles of SSM was strongly correlated with age (r=-0.721 to -0.740), carotid distensibility (r=0.625 to 0.629), and cardiorespiratory fitness (r=0.333 to 0.351) (all p<0.001). Multiple regression analysis demonstrated that BRS with ≥6 cycles of SSM explained >60% of the variance in CVD risk factors. Therefore, our findings suggest that repeated SSM significantly strengthens the association between BRS and CVD risk factors. Particularly, BRS with ≥6 cycles of SSM is strongly associated with CVD risk.
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Affiliation(s)
- Shoya Mori
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Takashi Tarumi
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.,Human Informatics Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan.,Institute for Exercise and Environmental Medicine, Texas Health Presbyterian Hospital Dallas, Texas
| | - Keisei Kosaki
- Faculty of Health and Sports Sciences, University of Tsukuba, Ibaraki, Japan
| | - Masahiro Matsui
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Masaki Yoshioka
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Jun Sugawara
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.,Human Informatics Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - Makoto Kuro-O
- Division of Anti-aging Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Chie Saito
- Department of Nephrology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Kunihiro Yamagata
- Department of Nephrology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan.,R&D Center for Smart Wellness City Policies, University of Tsukuba, Ibaraki, Japan
| | - Seiji Maeda
- Faculty of Health and Sports Sciences, University of Tsukuba, Ibaraki, Japan.,Faculty of Sport Sciences, Waseda University, Saitama, Japan
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7
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Podsiadły A, Paleczny B, Olesińska-Mader M, Nowak K, Okupnik T, Wyciszkiewicz M, Łopusiewicz W, Ponikowski P, Ponikowska B. Valsalva-derived Measures and Phenylephrine Test in Patients With Heart Failure With Reduced Ejection Fraction Receiving Comprehensive Neurohormonal Blockade Drug Therapy: A 5-year Event-free Survival Analysis. J Card Fail 2021; 28:744-755. [PMID: 34758387 DOI: 10.1016/j.cardfail.2021.10.012] [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: 04/30/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND To assess the relationships between Valsalva- and phenylephrine test-derived measures and outcome in patients with heart failure with reduced ejection fraction (HFrEF) receiving comprehensive neurohormonal blockade pharmacotherapy. METHODS AND RESULTS Data from 56 patients with HFrEF (mean left ventricle ejection fraction of 32 ± 6%) subjected to Valsalva and phenylephrine tests were analyzed retrospectively. Baroreflex-related (Valsalva-ratio and blood pressure-RR interval slope from phase IV) and non-baroreflex-related measures (systolic blood pressure rise in phase IV [ΔSBPPHASE_IV], and pulse amplitude ratio [PAR]) were calculated from Valsalva. Short-term outcomes (HF-related hospitalization, implantable cardioverter-defibrillator shock or all-cause death within 24 months from examination) and long-term outcomes (implantable cardioverter-defibrillator shock or all-cause death within 60 months) were analyzed. The end point occurred in 16 and 18 patients, for the short- and long-term outcomes, respectively. A low ΔSBPPHASE_IV identified patients at risk in the long term, as evidenced by a low vs high ΔSBPPHASE_IV comparison (square-wave response patients assigned to low ΔSBPPHASE_IV group, P = .002), and Cox model (hazard ratio 0.91, 95% confidence interval 0.86-0.96, P < .001), and tended to identify patients at risk in the short term outcome (hazard ratio 0.95, 95% confidence interval 0.91-1.00, P = .055). There was a tendency toward a higher event-free survival in the low PAR group (low vs high PAR; hazard ratio 0.44, 95% CI 0.17-1.18, P = .104). CONCLUSIONS Non-baroreflex-related measures obtained from Valsalva-namely, ΔSBPPHASE_IV and PAR-might carry prognostic value in patients with HFrEF receiving neurohormonal blockade pharmacotherapy.
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Affiliation(s)
- Anna Podsiadły
- Department of Physiology and Pathophysiology, Wroclaw Medical Physiology, Wroclaw, Poland
| | - Bartłomiej Paleczny
- Department of Physiology and Pathophysiology, Wroclaw Medical Physiology, Wroclaw, Poland.
| | | | - Krzysztof Nowak
- Institute of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland; Centre for Heart Diseases, University Hospital in Wroclaw, Wroclaw, Poland
| | - Tymoteusz Okupnik
- Department of Physiology and Pathophysiology, Wroclaw Medical Physiology, Wroclaw, Poland
| | | | - Wojciech Łopusiewicz
- Department of Physiology and Pathophysiology, Wroclaw Medical Physiology, Wroclaw, Poland
| | - Piotr Ponikowski
- Institute of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland; Centre for Heart Diseases, University Hospital in Wroclaw, Wroclaw, Poland
| | - Beata Ponikowska
- Department of Physiology and Pathophysiology, Wroclaw Medical Physiology, Wroclaw, Poland
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Chen CW, Wu CH, Liou YS, Kuo KL, Chung CH, Lin YT, Kuo TBJ, Yang CCH. Roles of cardiovascular autonomic regulation and sleep patterns in high blood pressure induced by mild cold exposure in rats. Hypertens Res 2021; 44:662-673. [PMID: 33742169 DOI: 10.1038/s41440-021-00619-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/08/2020] [Accepted: 12/18/2020] [Indexed: 11/09/2022]
Abstract
Increased blood pressure (BP) caused by exposure to cold temperatures can partially explain the increased incidence of cardiovascular events in winter. However, the physiological mechanisms involved in cold-induced high BP are not well established. Many studies have focused on physiological responses to severe cold exposure. In this study, we aimed to perform a comprehensive analysis of cardiovascular autonomic function and sleep patterns in rats during exposure to mild cold, a condition relevant to humans in subtropical areas, to clarify the physiological mechanisms underlying mild cold-induced hypertension. BP, electroencephalography, electromyography, electrocardiography, and core body temperature were continuously recorded in normotensive Wistar-Kyoto rats over 24 h. All rats were housed in thermoregulated chambers at ambient temperatures of 23, 18, and 15 °C in a randomized crossover design. These 24-h physiological recordings either with or without sleep scoring showed that compared with the control temperature of 23 °C, the lower ambient temperatures of 18 and 15 °C not only increased BP, vascular sympathetic activity, and heart rate but also decreased overall autonomic activity, parasympathetic activity, and baroreflex sensitivity in rats. In addition, cold exposure reduced the delta power percentage and increased the incidence of interruptions during sleep. Moreover, a correlation analysis revealed that all of these cold-induced autonomic dysregulation and sleep problems were associated with elevation of BP. In conclusion, mild cold exposure elicits autonomic dysregulation and poor sleep quality, causing BP elevation, which may have critical implications for cold-related cardiovascular events.
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Affiliation(s)
- Chieh-Wen Chen
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Cheng-Han Wu
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Yu-Syuan Liou
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Kuan-Liang Kuo
- Institute of BioMedical Informatics, National Yang-Ming University, Taipei, Taiwan
- Family Medicine Department, Taipei City Hospital, Renai Branch, Taipei, Taiwan
| | - Cheng-Hung Chung
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Yu-Ting Lin
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Terry B J Kuo
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan.
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.
- Institute of BioMedical Informatics, National Yang-Ming University, Taipei, Taiwan.
- Brain Research Center, National Yang-Ming University, Taipei, Taiwan.
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan.
| | - Cheryl C H Yang
- Sleep Research Center, National Yang-Ming University, Taipei, Taiwan.
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.
- Brain Research Center, National Yang-Ming University, Taipei, Taiwan.
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan.
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Roy SJ, Tanaka H. Whole Milk and Full-Fat Dairy Products and Hypertensive Risks. Curr Hypertens Rev 2020; 17:181-195. [PMID: 32753019 DOI: 10.2174/1573402116666200804152649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 06/24/2020] [Accepted: 06/29/2020] [Indexed: 11/22/2022]
Abstract
Lifestyle modifications in the form of diet and exercise are generally a first-line approach to reduce hypertensive risk and overall cardiovascular disease (CVD) risk. Accumulating research evidence has revealed that consumption of non- and low-fat dairy products incorporated into the routine diet is an effective means to reduce elevated blood pressure and improve vascular functions. However, the idea of incorporating whole-fat or full-fat dairy products in the normal routine diet as a strategy to reduce CVD risk has been met with controversy. The aim of this review is to review both sides of the argument surrounding saturated fat intake and CVD risk from the standpoint of dairy intake. Throughout the review, we examined observational studies on relationships between CVD risk and dairy consumption, dietary intervention studies using non-fat and whole-fat dairy, and mechanistic studies investigating physiological mechanisms of saturated fat intake that may help to explain increases in cardiovascular disease risk. Currently available data have demonstrated that whole-fat dairy is unlikely to augment hypertensive risk when added to the normal routine diet but may negatively impact CVD risk. In conclusion, whole-fat dairy may not be a recommended alternative to non- or low-fat dairy products as a means to reduce hypertensive or overall CVD risk.
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Affiliation(s)
- Stephen J Roy
- Department of Kinesiology and Health Education, Cardiovascular Aging Research Laboratory, The University of Texas at Austin, TX 78712. United States
| | - Hirofumi Tanaka
- Department of Kinesiology and Health Education, Cardiovascular Aging Research Laboratory, The University of Texas at Austin, TX 78712. United States
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10
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Li CH, Sun ZJ, Lu FH, Chou YT, Yang YC, Chang CJ, Wu JS. Epidemiological evidence of increased waist circumference, but not body mass index, associated with impaired baroreflex sensitivity. Obes Res Clin Pract 2020; 14:158-163. [PMID: 32088179 DOI: 10.1016/j.orcp.2020.02.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/26/2019] [Accepted: 02/17/2020] [Indexed: 01/01/2023]
Abstract
Although an inverse relationship between body mass index (BMI) and baroreflex sensitivity (BRS) was found, the effect of waist circumference (WC) on BRS is still inconclusive. The contradictory results of previous studies may be related to the heterogeneity and relatively small sample size of the subjects examined. The aim of this population-based study was to investigate whether the influence of increased WC is more detrimental to BRS than BMI. A total of 760 community dwellers were recruited and they were classified into Q1 (n = 189), Q2 (n = 183), Q3 (n = 192) and Q4 (n = 196) groups, based on WC quartiles. Spontaneous BRS was determined by spectral α coefficient method. Valsalva ratio was the longest RR interval after release of Valsalva maneuver divided by the shortest RR interval during maneuver. Cardiac autonomic function was calculated by power spectrum of heart rate in low and high frequency (LF, 0.04-0.15 Hz; HF, 0.15-0.40 Hz), and LF/HF ratio in supine position for five minutes. There were significant differences in spontaneous BRS and Valsalva ratio among different WC groups. In multivariate analysis, obesity was inversely associated with spontaneous BRS and Valsalva ratio. However, these inverse relationships became insignificant after further adjustment for WC quartiles. In contrast, Q4 vs. Q1, Q3 vs. Q1 and Q2 vs. Q1 of WC were inversely related to spontaneous BRS. Q4 vs. Q1 and Q3 vs. Q1 of WC were negatively associated with the Valsalva ratio. In conclusion, increased and even high-normal WC had a stronger adverse effect on BRS than BMI, independent of cardio-metabolic risk factors.
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Affiliation(s)
- Chung-Hao Li
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Health Management Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Zih-Jie Sun
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Family Medicine, National Cheng Kung University Hospital, Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
| | - Feng-Hwa Lu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Tsung Chou
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Health Management Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Ching Yang
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Jen Chang
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jin-Shang Wu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Health Management Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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11
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Are 15-Year Trajectories of Low Back Pain and Sciatica Associated With Cardiovascular Autonomic Function in the General Population?: The Northern Finland Birth Cohort 1966 Study. Spine (Phila Pa 1976) 2019; 44:E1325-E1335. [PMID: 31232978 DOI: 10.1097/brs.0000000000003126] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A population-based cohort study. OBJECTIVE The aim of this study was to examine whether 15-year trajectories of low back pain (LBP) and sciatica are associated with cardiovascular autonomic function in a large general population sample. SUMMARY OF BACKGROUND DATA Previous studies using mainly small patient samples have suggested that LBP and sciatica are associated with abnormal cardiovascular autonomic function, namely altered heart rate variability (HRV) and baroreflex sensitivity (BRS). We examined this association in a large general population sample. METHODS The data collections of the Northern Finland Birth Cohort 1966 consisted of pain questionnaires at 31 and 46 years (history of LBP, sciatica, and other musculoskeletal pains during the previous year; yes/no for each) and measurements of HRV and BRS at 46 years (heart rate, HR; root mean square of successive differences in beat-to-beat intervals, rMSSD; low-frequency systolic blood pressure variability, SBPV; cross-spectral BRS, BRS; each while seated and standing). The data collections also comprised several confounders. Trajectories for LBP, sciatica, and both together ("no pain," "decreasing," "increasing," "long-term pain") were constructed and general linear models were used to perform comparisons between trajectories (for HR/rMSSD, n = 3398; for SBPV/BRS, n = 1667). RESULTS In the crude models, LBP and sciatica were associated with higher HR, lower rMSSD, higher SBPV, and lower BRS, but these associations were mostly attenuated by adjustments. Regarding both LBP and sciatica, only the "increasing" trajectory was associated with two of the eight outcomes (standing SBPV, seated BRS) after adjustments. Regarding LBP, the "increasing" trajectory was associated with three (standing SBPV, seated BRS, standing BRS), the "long-term pain" trajectory with one (standing BRS), and the "decreasing" trajectory with one outcome (seated SBPV) after adjustments. Sciatica showed no association with the outcomes after adjustments. CONCLUSION We conclude that the 15-year trajectories of LBP and sciatica do not have a consistent independent association with cardiovascular autonomic function among the general population. LEVEL OF EVIDENCE 3.
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Wade TJ, O'Leary DD, Dempster KS, MacNeil AJ, Molnar DS, McGrath J, Cairney J. Adverse childhood experiences (ACEs) and cardiovascular development from childhood to early adulthood: study protocol of the Niagara Longitudinal Heart Study. BMJ Open 2019; 9:e030339. [PMID: 31315878 PMCID: PMC6661634 DOI: 10.1136/bmjopen-2019-030339] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Recent reviews have found substantial links between a toxic childhood environment including child abuse and severe household dysfunction and adult cardiovascular disease (CVD). Collectively referred to as adverse childhood experiences (ACEs), this toxic environment is prevalent among children, with recent Canadian estimates of child abuse at 27%-32%, and severe household dysfunction at 49%. Based on these prevalence rates, the potential effect of ACEs on CVD is more significant than previously thought. Yet, how ACEs amplify the risk for later CVD remains unclear. Lifestyle risk factors only partially account for this connection, instead directing attention to the interaction between psychosocial factors and physiological mechanisms such as inflammation. The Niagara Longitudinal Heart Study (NLHS) examines how ACEs influence cardiovascular health (CVH) from childhood to early adulthood. Integrating the stress process and biological embedding models, this study examines how psychosocial and physiological factors in addition to lifestyle factors explain the relationship between ACEs and CVH. METHODS This follow-up study combines three baseline studies from 2007 to 2012 that collected CVH measures including child blood pressure, heart rate, left ventricular structure and function, arterial stiffness indices and baroreflex sensitivity on 564 children. Baseline data also include anthropometric, biological, lifestyle, behavioural, and psychosocial measures that varied across primary studies. Now over 18 years of age, we will recruit and retest as many participants from the baseline studies as possible collecting data on ACEs, CVH, anthropometric, lifestyle and psychosocial measures as well as blood, saliva and hair for physiological biostress markers. ETHICS AND DISSEMINATION Ethics approval has been received for the NLHS follow-up. Written consent to participate in the follow-up study is obtained from each participant. Results testing all proposed hypotheses will be submitted for publication in peer-reviewed journals.
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Affiliation(s)
- Terrance J Wade
- Health Sciences, Brock University, St. Catharines, Ontario, Canada
- Brock-NIagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada
- Child and Youth Studies, Brock University, St. Catharines, Ontario, Canada
| | - Deborah D O'Leary
- Health Sciences, Brock University, St. Catharines, Ontario, Canada
- Brock-NIagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada
| | - Kylie S Dempster
- Health Sciences, Brock University, St. Catharines, Ontario, Canada
- Brock-NIagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada
| | - Adam J MacNeil
- Health Sciences, Brock University, St. Catharines, Ontario, Canada
| | - Danielle S Molnar
- Child and Youth Studies, Brock University, St. Catharines, Ontario, Canada
| | - Jennifer McGrath
- Department of Psychology, Concordia University, Montreal, Quebec, Canada
| | - John Cairney
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Ontario, Canada
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13
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Perkiömäki N, Auvinen J, Tulppo MP, Ollila MM, Junttila J, Perkiömäki J, Karhunen V, Puukka K, Järvelin MR, Huikuri HV, Kiviniemi AM. Childhood growth patterns and cardiovascular autonomic modulation in midlife: Northern Finland 1966 Birth Cohort Study. Int J Obes (Lond) 2019; 43:2264-2272. [PMID: 30718821 DOI: 10.1038/s41366-019-0333-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 01/15/2019] [Accepted: 01/20/2019] [Indexed: 12/31/2022]
Abstract
OBJECTIVES To test the hypothesis that age and body mass index (BMI) at BMI peak during infancy and at BMI rebound in childhood are related to cardiovascular autonomic modulation in adulthood. METHODS At the age of 46 years, a sample (n = 5861) of the participants of the Northern Finland Birth Cohort 1966 took part in follow-up examinations. Heart rate variability (HRV), baroreflex sensitivity (BRS) and low-frequency oscillations of systolic blood pressure (LFSBP) were measured during sympathetic stimulus by standing. BMI at various ages was calculated from frequent anthropometric measurements collected from child welfare clinical records. BRS and LFSBP were available for 1243 participants with BMI peak data and 1524 participants with BMI rebound data, and HRV for 2137 participants with BMI peak data and 2688 participants with BMI rebound data. RESULTS Age at BMI rebound had a significant inverse association with LFSBP (beta = -0.071, p = 0.006) after all adjustments (p < 0.001) and was also directly associated with BRS (beta = 0.082, p = 0.001) independently of birth and maternal factors (p = 0.023). BMI at BMI peak and at BMI rebound was inversely associated with high-frequency component of HRV (HF) (beta = -0.045, p = 0.036 for BMI at peak; beta = -0.043, p = 0.024 for BMI at rebound) and directly associated with the ratio of low- and high-frequency components of HRV (LF/HF ratio) (beta = 0.084, p = < 0.001 for BMI at peak; beta = 0.069, p < 0.001 for BMI at rebound). These associations remained significant after all adjustments (p < 0.05 for all). CONCLUSIONS This novel study shows that younger age at BMI rebound and higher BMI at BMI peak and at BMI rebound are associated with higher levels in markers suggestive of augmented sympathetic and reduced vagal cardiovascular modulation in midlife.
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Affiliation(s)
- Nelli Perkiömäki
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland.
| | - Juha Auvinen
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland.,Unit of Primary Health Care, Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland
| | - Mikko P Tulppo
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Meri-Maija Ollila
- PEDEGO Research Unit, Medical Research Center Oulu, Department of Obstetrics and Gynecology, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Juhani Junttila
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Juha Perkiömäki
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Ville Karhunen
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Katri Puukka
- NordLab Oulu, Medical Research Center Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, Oulu, Finland
| | - Marjo-Riitta Järvelin
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland.,Unit of Primary Health Care, Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland.,Biocenter Oulu, University of Oulu, Oulu, Finland.,Department of Epidemiology and Biostatistics, MRC-PHE Centre for Environment & Health, School of Public Health, Imperial College London, London, UK.,Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge, UK
| | - Heikki V Huikuri
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Antti M Kiviniemi
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
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14
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Oura P, Hautala A, Kiviniemi A, Auvinen J, Puukka K, Tulppo M, Huikuri H, Seppänen T, Karppinen J. Musculoskeletal pains and cardiovascular autonomic function in the general Northern Finnish population. BMC Musculoskelet Disord 2019; 20:45. [PMID: 30704437 PMCID: PMC6357438 DOI: 10.1186/s12891-019-2426-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 01/18/2019] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Heart rate variability (HRV) and baroreflex sensitivity (BRS) measurements provide means for the objective assessment of cardiovascular autonomic function. As previous studies have associated chronic pain with abnormal autonomic function, we aimed to characterize the relationship between the number of musculoskeletal pain sites (NPS), pain intensity, and cardiovascular autonomic function among the population-based Northern Finland Birth Cohort 1966. METHODS At the age of 46, cohort members self-reported their musculoskeletal pains (enabling the determination of NPS [0-8] and pain intensity [Numerical Rating Scale, NRS, 0-10]) and underwent clinical assessments of cardiovascular autonomic function in seated and standing positions (HRV variables: heart rate [HR] and root mean square of successive differences in beat-to-beat intervals [rMSSD] for the entire cohort; BRS variables: low-frequency systolic blood pressure variability [SBPV] and cross-spectral baroreflex sensitivity [BRS] for those attending the examination in Oulu, Finland). Extensive confounder data were also collected (body mass index, physical activity, smoking, Hopkins Symptom Checklist-25, comorbidities, and medications). The full samples included 4186 and 2031 individuals (HRV and BRS samples, respectively). Three subanalyses focused on individuals with intense and frequent pain, individuals with symptoms of depression and anxiety, and the relationship between pain intensity and autonomic parameters. RESULTS Linear regression models showed varying associations between NPS, pain intensity, and cardiovascular autonomic parameters. However, after all adjustments NPS was only associated with one outcome among women (BRS, standing: beta = - 0.015, p = 0.048) and two among men (HR, seated: beta = - 0.902, p = 0.003; HR, standing: beta = - 0.843, p = 0.014). Pain intensity was not associated with any outcome after full adjustments. Significant sex*pain interactions were found in the data. CONCLUSIONS Our data suggest that musculoskeletal pain has, at most, a limited independent association with cardiovascular autonomic function. Future studies should carefully account for the potential confounders and sex interactions that this study revealed.
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Affiliation(s)
- Petteri Oura
- Faculty of Medicine, Center for Life Course Health Research, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland. .,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.
| | - Arto Hautala
- Faculty of Information Technology and Electrical Engineering, Center for Machine Vision and Signal Analysis, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Antti Kiviniemi
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Faculty of Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Juha Auvinen
- Faculty of Medicine, Center for Life Course Health Research, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Katri Puukka
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,NordLab Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Mikko Tulppo
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Faculty of Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Heikki Huikuri
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Faculty of Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Tapio Seppänen
- Faculty of Information Technology and Electrical Engineering, Center for Machine Vision and Signal Analysis, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Jaro Karppinen
- Faculty of Medicine, Center for Life Course Health Research, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Finnish Institute of Occupational Health, Aapistie 1, FI-90220, Oulu, Finland
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15
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Oksanen P, Tulppo MP, Auvinen J, Niemelä M, Jämsä T, Puukka K, Huikuri HV, Korpelainen R, Venojärvi M, Kiviniemi AM. Associations of fitness and physical activity with orthostatic responses of heart rate and blood pressure at midlife. Scand J Med Sci Sports 2019; 29:874-885. [PMID: 30697819 DOI: 10.1111/sms.13398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 01/23/2019] [Indexed: 11/30/2022]
Abstract
Cardiorespiratory fitness (CRF) and physical activity (PA) are associated with autonomic function, but their associations to orthostatic autonomic responses are unclear in epidemiological setting. We hypothesized that higher CRF and PA would associate with higher immediate vagal responses and lower incidence of adverse findings during orthostatic test. At age of 46, 787 men and 938 women without cardiorespiratory diseases and diabetes underwent an orthostatic test (3-minutes sitting, 3-minutes standing) with recording of RR intervals (RRi) and blood pressure (BP) by finger plethysmography. Acute responses of RRi (30:15 ratio) and BP were calculated. CRF was measured by a submaximal step test and daily amount of moderate-to-vigorous PA (MVPA) for 2 weeks by wrist-worn accelerometer. Lifelong PA was based on questionnaires at ages of 14, 31, and 46. High CRF was significantly associated with higher RRi 30:15 ratio (adjusted standardized β = 0.17, P < 0.001) and milder acute decrease of systolic BP while standing (β = 0.10, P = 0.001), while MVPA was not (β = 0.04 for RRi 30:15 ratio and β = 0.05 for systolic BP acute response). High lifelong PA was significantly associated with higher RRi 30:15 ratio (β = 0.08, P = 0.002) but not with acute systolic BP response. Those in the lowest tertile of CRF had 9.2-fold risk (P = 0.002) of having postural orthostatic tachycardia syndrome compared to more fit. Cardiorespiratory fitness and lifelong physical activity, but not current physical activity, were independently associated with higher cardiac vagal response to orthostasis. The present results underscore the importance fitness and lifelong physical activity in prevention of abnormal autonomic function and related cardiovascular risk.
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Affiliation(s)
- Päivi Oksanen
- Institute of Biomedicine, Sports and Exercise Medicine, University of Eastern Finland, Kuopio, Finland
| | - Mikko P Tulppo
- Research Unit of Internal Medicine, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Juha Auvinen
- Center for Life Course Health Research, University of Oulu, Oulu, Finland.,Unit of Primary Care, Oulu University Hospital, Oulu, Finland
| | - Maisa Niemelä
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland
| | - Timo Jämsä
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland.,Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland.,Diagnostic Imaging, Oulu University Hospital, Oulu, Finland
| | - Katri Puukka
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland.,NordLab Oulu and Department of Clinical Chemistry, University of Oulu, Oulu, Finland
| | - Heikki V Huikuri
- Research Unit of Internal Medicine, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Raija Korpelainen
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland.,Center for Life Course Health Research, University of Oulu, Oulu, Finland.,Department of Sports and Exercise Medicine, Oulu Deaconess Institute Foundation, Oulu, Finland
| | - Mika Venojärvi
- Institute of Biomedicine, Sports and Exercise Medicine, University of Eastern Finland, Kuopio, Finland
| | - Antti M Kiviniemi
- Research Unit of Internal Medicine, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
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16
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Matthews EL, Sebzda KN, Wenner MM. Altered baroreflex sensitivity in young women with a family history of hypertension. J Neurophysiol 2019; 121:1011-1017. [PMID: 30673356 DOI: 10.1152/jn.00471.2018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A positive family history of hypertension (+FH) is a risk factor for the future development of hypertension. Hypertension is associated with reductions in baroreflex sensitivity (BRS). Therefore, we hypothesized that young women with a +FH [ n = 12, 22 ± 1 yr, body mass index (BMI) 21 ± 1 kg/m2, mean arterial pressure (MAP) 79 ± 1 mmHg] would have lower BRS compared with young women without a family history of hypertension (-FH) ( n = 13, 22 ± 1 yr, BMI 21 ± 1 kg/m2, MAP 77 ± 2 mmHg, all P > 0.05 between groups). Continuous measurements of muscle sympathetic nerve activity, blood pressure, and electrocardiogram derived R-R interval were recorded at rest and during a Valsalva maneuver. Both cardiovagal BRS and vascular sympathetic BRS were assessed. Resting cardiovagal BRS was reduced in the +FH women (all sequences: -FH 32.3 ± 3.7 vs. +FH 20.2 ± 2.9 ms/mmHg, P = 0.02). Cardiovagal BRS during phase IV (-FH 16.5 ± 2.7 vs. +FH 7.6 ± 1.3 ms/mmHg, P < 0.01) but not phase II (-FH 5.5 ± 0.9 vs. +FH 5.0 ± 0.8 ms/mmHg, P = 0.67) of the Valsalva maneuver was also lower in the +FH women. Vascular sympathetic BRS at rest (-FH -2.38 ± 0.7 vs. +FH -2.33 ± 0.3 bursts· min-1·mmHg-1, P = 0.58) and during the Valsalva (-FH -0.74 ± 0.23 vs. +FH -0.66 ± 0.18 bursts·15 s-1·mmHg-1, P = 0.79) were not different between groups. These data suggest that healthy young women with a positive family history of hypertension have reduced cardiovagal BRS. This may be one mechanism contributing to the increased incidence of hypertension in this population later in life. NEW & NOTEWORTHY Having a family history of hypertension increases the risk of developing future hypertension. Reductions in baroreflex function have been demonstrated in hypertension and are an important marker for future cardiovascular disease. We show that young women with a family history of hypertension have lower cardiovagal baroreflex sensitivity. This alteration in autonomic function may be one mechanism contributing to the future incidence of hypertension in this patient population.
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Affiliation(s)
- Evan L Matthews
- Department of Kinesiology and Applied Physiology, University of Delaware , Newark, Delaware.,Exercise Science and Physical Education Department, Montclair State University , Montclair, New Jersey
| | - Kelly N Sebzda
- Department of Kinesiology and Applied Physiology, University of Delaware , Newark, Delaware
| | - Megan M Wenner
- Department of Kinesiology and Applied Physiology, University of Delaware , Newark, Delaware
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17
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Kiviniemi AM, Perkiömäki N, Auvinen J, Niemelä M, Tammelin T, Puukka K, Ruokonen A, Keinänen-Kiukaanniemi S, Tulppo MP, Järvelin MR, Jämsä T, Huikuri HV, Korpelainen R. Fitness, Fatness, Physical Activity, and Autonomic Function in Midlife. Med Sci Sports Exerc 2018; 49:2459-2468. [PMID: 29135784 DOI: 10.1249/mss.0000000000001387] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE Although low cardiorespiratory fitness (CRF), physical inactivity, and obesity are associated with impaired autonomic function, they are also extensively interrelated. The present study aimed to assess the extent to which they contribute to autonomic function independently of each other. METHODS At the age of 46 yr, 1383 men and 1761 women without cardiorespiratory diseases and diabetes underwent assessments of vagally mediated heart rate (HR) variability (root mean square of successive differences in R-R interval (rMMSD)), peak HR during a submaximal step test (CRF), and 60-s HR recovery (HRR). Moderate-to-vigorous physical activity (MVPA; ≥3.5 METs, 2 wk) was measured by wrist-worn accelerometer and body fat percentage (Fat%) by bioimpedance. RESULTS In men, CRF and Fat% were significantly associated with higher rMSSD (standardized β = 0.31 and -0.16) and HRR (β = 0.19 and -0.18), whereas higher MVPA was linked with higher HRR (β = 0.13) when including CRF, MVPA, and Fat% in the initial regression. After adjustments for other lifestyle and cardiometabolic factors, CRF remained significantly associated with rMMSD (β = 0.24) and HRR (β = 0.14), as did MVPA with HRR (β = 0.11). In women, CRF was associated with rMSSD (β = 0.23) and HRR (β = 0.15), and MVPA (β = 0.17) and Fat% (β = -0.07) with HRR, when CRF, MVPA, and Fat% were adjusted for each other. After further adjustments, CRF remained a significant determinant of rMSSD (β = 0.20) and HRR (β = 0.13), as did MVPA with HRR (β = 0.15). The final models explained 23% and 21% of variation in rMSSD and HRR in men, and 10% and 12% in women, respectively. CONCLUSIONS CRF was a more important determinant of cardiac autonomic function than MVPA and body fat. Furthermore, MVPA but not body fat was independently associated with cardiac autonomic function in both men and women.
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Affiliation(s)
- Antti M Kiviniemi
- 1Research Unit of Internal Medicine, University of Oulu, Oulu, FINLAND; 2Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, FINLAND; 3Center for Life Course Health Research, University of Oulu, Oulu, FINLAND; 4Unit of Primary Care, University of Oulu, Oulu, FINLAND; 5Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, FINLAND; 6LIKES Research Centre for Physical Activity and Health, Jyväskylä, FINLAND; 7NordLab Oulu, Medical Research Center Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, Oulu, FINLAND; 8Department of Epidemiology and Biostatistics, MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, London, UNITED KINGDOM; 9Biocenter Oulu, University of Oulu, Oulu, FINLAND; 10Diagnostic Imaging, Oulu University Hospital, Oulu, FINLAND; and 11Department of Sports and Exercise Medicine, Oulu Deaconess Institute, Oulu, FINLAND
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van Wijnen VK, Finucane C, Harms MPM, Nolan H, Freeman RL, Westerhof BE, Kenny RA, Ter Maaten JC, Wieling W. Noninvasive beat-to-beat finger arterial pressure monitoring during orthostasis: a comprehensive review of normal and abnormal responses at different ages. J Intern Med 2017; 282:468-483. [PMID: 28564488 DOI: 10.1111/joim.12636] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Over the past 30 years, noninvasive beat-to-beat blood pressure (BP) monitoring has provided great insight into cardiovascular autonomic regulation during standing. Although traditional sphygmomanometric measurement of BP may be sufficient for detection of sustained orthostatic hypotension, it fails to capture the complexity of the underlying dynamic BP and heart rate responses. With the emerging use of noninvasive beat-to-beat BP monitoring for the assessment of orthostatic BP control in clinical and population studies, various definitions for abnormal orthostatic BP patterns have been used. Here, age-related changes in cardiovascular control in healthy subjects will be reviewed to define the spectrum of the most important abnormal orthostatic BP patterns within the first 180 s of standing. Abnormal orthostatic BP responses can be defined as initial orthostatic hypotension (a transient systolic BP fall of >40 mmHg within 15 s of standing), delayed BP recovery (an inability of systolic BP to recover to a value of >20 mmHg below baseline at 30 s after standing) and sustained orthostatic hypotension (a sustained decline in systolic BP of ≥20 mmHg occurring 60-180 s after standing). In the evaluation of patients with light-headedness, pre(syncope), (unexplained) falls or suspected autonomic dysfunction, it is essential to distinguish between normal cardiovascular autonomic regulation and these abnormal orthostatic BP responses. The prevalence, clinical relevance and underlying pathophysiological mechanisms of these patterns differ significantly across the lifespan. Initial orthostatic hypotension is important for identifying causes of syncope in younger adults, whereas delayed BP recovery and sustained orthostatic hypotension are essential for evaluating the risk of falls in older adults.
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Affiliation(s)
- V K van Wijnen
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - C Finucane
- Department of Medical Physics, Mercer's Institute for Successful Ageing, St James's Hospital, Dublin, Ireland
| | - M P M Harms
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - H Nolan
- Department of Medical Gerontology, The Irish Longitudinal Study on Ageing (TILDA), Lincoln Gate, Trinity College, Dublin, Ireland
| | - R L Freeman
- Neurology Department, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - B E Westerhof
- Department of Pulmonary Diseases, VU University Medical Center, Amsterdam, The Netherlands.,Heart Failure Research Center, Laboratory for Clinical Cardiovascular Physiology, Academic Medical Center, Amsterdam, The Netherlands
| | - R A Kenny
- Department of Medical Gerontology, The Irish Longitudinal Study on Ageing (TILDA), Lincoln Gate, Trinity College, Dublin, Ireland.,Mercer's Institute for Successful Ageing, St James's Hospital, Dublin, Ireland
| | - J C Ter Maaten
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - W Wieling
- Department of Internal Medicine, Academic Medical Center, Amsterdam, The Netherlands
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Wu KK, Bos T, Mausbach BT, Milic M, Ziegler MG, von Känel R, Allison MA, Dimsdale JE, Mills PJ, Ancoli-Israel S, Patterson TL, Grant I. Long-term caregiving is associated with impaired cardiovagal baroreflex. J Psychosom Res 2017; 103:29-33. [PMID: 29167045 PMCID: PMC5726529 DOI: 10.1016/j.jpsychores.2017.10.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 09/05/2017] [Accepted: 10/02/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Caregiving stress is associated with increased risk of cardiovascular disease (CVD). Inability to adequately regulate blood pressure is a possible underlying mechanism explaining this risk. We examined the relationship between length of caregiving and cardiovagal baroreflex sensitivity (cBRS) to better understand the link between caregiving and CVD risk. METHODS A total of 146 elderly individuals (≥55years) participated in this study, of whom 96 were providing in-home care to a spouse with dementia and 50 were healthy controls married to a non-demented spouse (i.e., non-caregivers). Among the caregivers, 56 were short-term caregivers (caring<4years) and 40 were long-term caregivers (caring≥4years). A multiple linear regression model, with contrast codes comparing short and long-term caregivers with non-caregivers was used to understand relationships between chronic caregiving and cBRS. RESULTS After controlling for relevant demographic and health characteristics, mean±SE log transformed cBRS for non-caregivers was 0.971±0.029. Relative to non-caregivers, the long-term caregivers had significantly impaired cBRS (0.860±0.033; p=0.013). However, mean cBRS for short-term caregivers did not significant differ from non-caregivers (0.911±0.028; p=0.144). CONCLUSION These results suggest that long-term caregiving stress is associated with an impaired cBRS. Accumulation of stress from years of caregiving could result in worse cBRS function, which could be a mechanistic explanation for the correlation between caregiving stress and the increased risk of CVD.
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Affiliation(s)
- Kevin K Wu
- Frank H. Netter MD School of Medicine at Quinnipiac University, United States
| | - Taylor Bos
- Department of Psychiatry, University of California, San Diego, United States; Joint Doctoral Program in Clinical Psychology, San Diego State University/University of California, San Diego, United States
| | - Brent T Mausbach
- Department of Psychiatry, University of California, San Diego, United States.
| | - Milos Milic
- Department of Medicine, University of California, San Diego, United States
| | - Michael G Ziegler
- Department of Medicine, University of California, San Diego, United States
| | - Roland von Känel
- Department of Psychiatry, University of California, San Diego, United States; Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Matthew A Allison
- Department of Family and Preventive Medicine, University of California, San Diego, United States
| | - Joel E Dimsdale
- Department of Psychiatry, University of California, San Diego, United States
| | - Paul J Mills
- Department of Psychiatry, University of California, San Diego, United States; Department of Family and Preventive Medicine, University of California, San Diego, United States
| | - Sonia Ancoli-Israel
- Department of Psychiatry, University of California, San Diego, United States; Department of Medicine, University of California, San Diego, United States
| | - Thomas L Patterson
- Department of Psychiatry, University of California, San Diego, United States
| | - Igor Grant
- Department of Psychiatry, University of California, San Diego, United States
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Hilz MJ, Wang R, de Rojas Leal C, Liu M, Canavese F, Roy S, Hösl KM, Winder K, Lee DH, Linker RA. Fingolimod initiation in multiple sclerosis patients is associated with potential beneficial cardiovascular autonomic effects. Ther Adv Neurol Disord 2017; 10:191-209. [PMID: 28507603 DOI: 10.1177/1756285616682936] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 11/16/2016] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Fingolimod slows heart rate (HR) due to vagomimetic effects and might cause additional cardiovascular autonomic changes. While the time course of HR changes is well described, the extent and course of cardiovascular autonomic changes upon fingolimod initiation has not yet been evaluated. This study, therefore, intended to assess cardiovascular autonomic changes during the first 6 h after fingolimod initiation. METHODS In 21 patients with relapsing-remitting multiple sclerosis (RRMS), we recorded respiration (RESP), electrocardiographic RR interval (RRI), systolic and diastolic blood pressure (BPsys, BPdia) at rest, before and 0.5, 1, 2, 3, 4, 5, and 6 h after fingolimod initiation. We calculated parameters of total autonomic modulation [RRI standard deviation (RRI-SD), RRI coefficient of variation (RRI-CV), RRI-total powers], mainly sympathetic cardiac modulation [RRI low frequency (LF) powers], sympathetic BP modulation (BPsys-LF powers), parasympathetic modulation [square root of the mean squared difference of successive RRIs (RMSSD), RRI high frequency (HF) powers], sympatho-vagal cardiac balance (RRI-LF/HF ratios), and baroreflex sensitivity (BRS). We compared parameters between the eight measurements [analysis of variance (ANOVA) or Friedman test with post-hoc analysis; significance: p < 0.05]. RESULTS After fingolimod initiation, RESP, BPsys, and BPsys-LF powers remained unchanged while RRIs, RRI-CV, RRI-SD, RRI-total powers, RRI-LF powers, RMSSD, RRI-HF powers, and BRS increased after 1 h and rose to peak values occurring after 5, 1, 2, 2, 1, 4, 4, and 4 h, respectively. After 3 h, BPdia had decreased significantly and was lowest after 5 h. RRI-LF/HF ratios decreased to a nadir after 4 h. CONCLUSIONS The increases in parasympathetic and overall cardiac autonomic modulation and in BRS seen with fingolimod initiation are theoretically beneficial for the MS patient's cardiovascular system. However, long-term studies must show whether these effects persist or are attenuated (e.g. due to S1P1 receptor down-regulation upon continued fingolimod therapy).
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Affiliation(s)
- Max J Hilz
- Clinical Department of Autonomic Neurology, University College London Institute of Neurology, Queen Square, WC1N 3BG, London, UK, Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Ruihao Wang
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | | | - Mao Liu
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Francesca Canavese
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Sankanika Roy
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Katharina M Hösl
- Department of Psychiatry and Psychotherapy, Paracelsus Medical University, Nuremberg, Germany
| | - Klemens Winder
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - De-Hyung Lee
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Ralf A Linker
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
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Perkiömäki N, Auvinen J, Tulppo MP, Hautala AJ, Perkiömäki J, Karhunen V, Keinänen-Kiukaanniemi S, Puukka K, Ruokonen A, Järvelin MR, Huikuri HV, Kiviniemi AM. Association between Birth Characteristics and Cardiovascular Autonomic Function at Mid-Life. PLoS One 2016; 11:e0161604. [PMID: 27552091 PMCID: PMC4994955 DOI: 10.1371/journal.pone.0161604] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 08/08/2016] [Indexed: 12/19/2022] Open
Abstract
Background Low birth weight is associated with an increased risk of cardiovascular diseases in adulthood. As abnormal cardiac autonomic function is a common feature in cardiovascular diseases, we tested the hypothesis that low birth weight may also be associated with poorer cardiac autonomic function in middle-aged subjects. Methods At the age of 46, the subjects of the Northern Finland Birth Cohort 1966 were invited to examinations including questionnaires about health status and life style and measurement of vagally-mediated heart rate variability (rMSSD) from R-R intervals (RRi) and spontaneous baroreflex sensitivity (BRS) in both seated and standing positions. Maternal parameters had been collected in 1965–1966 since the 16th gestational week and birth variables immediately after delivery. For rMSSD, 1,799 men and 2,279 women without cardiorespiratory diseases and diabetes were included and 902 men and 1,020 women for BRS. The analyses were adjusted for maternal (age, anthropometry, socioeconomics, parity, gestational smoking) and adult variables (life style, anthropometry, blood pressure, glycemic and lipid status) potentially confounding the relationship between birth weight and autonomic function. Results In men, birth weight correlated negatively with seated (r = -0.058, p = 0.014) and standing rMSSD (r = -0.090, p<0.001), as well as with standing BRS (r = -0.092, p = 0.006). These observations were verified using relevant birth weight categories (<2,500 g; 2,500–3,999 g; ≥4,000 g). In women, birth weight was positively correlated with seated BRS (r = 0.081, p = 0.010), but none of the other measures of cardiovascular autonomic function. These correlations remained significant after adjustment for potential confounders (p<0.05 for all). Conclusions In men, higher birth weight was independently associated with poorer cardiac autonomic function at mid-life. Same association was not observed in women. Our findings suggest that higher, not lower, birth weight in males may contribute to less favourable cardiovascular autonomic regulation and potentially to an elevated cardiovascular risk in later life.
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Affiliation(s)
- Nelli Perkiömäki
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Juha Auvinen
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
- Unit of Primary Health Care, Oulu University Hospital, Oulu, Finland
| | - Mikko P. Tulppo
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Arto J. Hautala
- Physiological Signal Analysis Team, Center for Machine Vision and Signal Analysis, University of Oulu, Oulu, Finland
| | - Juha Perkiömäki
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Ville Karhunen
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
| | - Sirkka Keinänen-Kiukaanniemi
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
- Unit of Primary Health Care, Oulu University Hospital, Oulu, Finland
| | - Katri Puukka
- NordLab Oulu, Medical Research Center Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, Finland
| | - Aimo Ruokonen
- NordLab Oulu, Medical Research Center Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, Finland
| | - Marjo-Riitta Järvelin
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
- Unit of Primary Health Care, Oulu University Hospital, Oulu, Finland
- Department of Epidemiology and Biostatistics, MRC–PHE Centre for Environment & Health, School of Public Health, Imperial College London, London, United Kingdom
- Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Heikki V. Huikuri
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Antti M. Kiviniemi
- Research Unit of Internal Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
- * E-mail:
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22
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KIVINIEMI ANTTIM, PERKIÖMÄU NELLI, AUVINEN JUHA, HERRALA SAULI, HAUTALA ARTOJ, AHOLA RIIKKA, TAMMELIN TUIJA, TULPPO MIKKOP, JÄRVELIN MARJORIITTA, KORPELAINEN RAIJA, HUIKURI HEIKKIV. Lifelong Physical Activity and Cardiovascular Autonomic Function in Midlife. Med Sci Sports Exerc 2016; 48:1506-13. [DOI: 10.1249/mss.0000000000000942] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Klassen SA, Chirico D, Dempster KS, Shoemaker JK, O'Leary DD. Role of aortic arch vascular mechanics in cardiovagal baroreflex sensitivity. Am J Physiol Regul Integr Comp Physiol 2016; 311:R24-32. [PMID: 27122371 DOI: 10.1152/ajpregu.00491.2015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 04/26/2016] [Indexed: 01/06/2023]
Abstract
Cardiovagal baroreflex sensitivity (cvBRS) measures the efficiency of the cardiovagal baroreflex to modulate heart rate in response to increases or decreases in systolic blood pressure (SBP). Given that baroreceptors are located in the walls of the carotid sinuses (CS) and aortic arch (AA), the arterial mechanics of these sites are important contributors to cvBRS. However, the relative contribution of CS and AA mechanics to cvBRS remains unclear. This study employed sex differences as a model to test the hypothesis that differences in cvBRS between groups would be explained by the vascular mechanics of the AA but not the CS. Thirty-six young, healthy, normotensive individuals (18 females; 24 ± 2 yr) were recruited. cvBRS was measured using transfer function analysis of the low-frequency region (0.04-0.15 Hz). Ultrasonography was performed at the CS and AA to obtain arterial diameters for the measurement of distensibility. Local pulse pressure (PP) was taken at the CS using a hand-held tonometer, whereas AA PP was estimated using a transfer function of brachial PP. Both cvBRS (25 ± 11 vs. 19 ± 7 ms/mmHg, P = 0.04) and AA distensibility (16.5 ± 6.0 vs. 10.5 ± 3.8 mmHg(-1) × 10(-3), P = 0.02) were greater in females than males. Sex differences in cvBRS were eliminated after controlling for AA distensibility (P = 0.19). There were no sex differences in CS distensibility (5.32 ± 2.3 vs. 4.63 ± 1.3 mmHg(-1) × 10(-3), P = 0.32). The present data demonstrate that AA mechanics are an important contributor to differences in cvBRS.
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Affiliation(s)
- Stephen A Klassen
- Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario, Canada; Brock-Niagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada; and
| | - Daniele Chirico
- Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario, Canada; Brock-Niagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada; and
| | - Kylie S Dempster
- Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario, Canada; Brock-Niagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada; and
| | - J Kevin Shoemaker
- Department of Physiology and Pharmacology, The University of Western Ontario, London, Ontario, Canada
| | - Deborah D O'Leary
- Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario, Canada; Brock-Niagara Centre for Health and Well-Being, Brock University, St. Catharines, Ontario, Canada; and
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24
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Hintsala HE, Kiviniemi AM, Tulppo MP, Helakari H, Rintamäki H, Mäntysaari M, Herzig KH, Keinänen-Kiukaanniemi S, Jaakkola JJK, Ikäheimo TM. Hypertension Does Not Alter the Increase in Cardiac Baroreflex Sensitivity Caused by Moderate Cold Exposure. Front Physiol 2016; 7:204. [PMID: 27313543 PMCID: PMC4889607 DOI: 10.3389/fphys.2016.00204] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 05/19/2016] [Indexed: 11/13/2022] Open
Abstract
Exposure to cold increases blood pressure and may contribute to higher wintertime cardiovascular morbidity and mortality in hypertensive people, but the mechanisms are not well-established. While hypertension does not alter responses of vagally-mediated heart rate variability to cold, it is not known how hypertension modifies baroreflex sensitivity (BRS) and blood pressure variability during cold exposure. Our study assessed this among untreated hypertensive men during short-term exposure comparable to habitual winter time circumstances in subarctic areas. We conducted a population-based recruitment of 24 untreated hypertensive and 17 men without hypertension (age 55–65 years) who underwent a whole-body cold exposure (−10°C, wind 3 m/s, winter clothes, 15 min, standing). Electrocardiogram and continuous blood pressure were measured to compute spectral powers of systolic blood pressure and heart rate variability at low (0.04–0.15 Hz) and high frequency (0.15–0.4 Hz) and spontaneous BRS at low frequency (LF). Comparable increases in BRS were detected in hypertensive men, from 2.6 (2.0, 4.2) to 3.8 (2.5, 5.1) ms/mmHg [median (interquartile range)], and in control group, from 4.3 (2.7, 5.0) to 4.4 (3.1, 7.1) ms/mmHg. Instead, larger increase (p < 0.05) in LF blood pressure variability was observed in control group; response as median (interquartile range): 8 (2, 14) mmHg2, compared with hypertensive group [0 (−13, 20) mmHg2]. Untreated hypertension does not disturb cardiovascular protective mechanisms during moderate cold exposure commonly occurring in everyday life. Blunted response of the estimate of peripheral sympathetic modulation may indicate higher tonic sympathetic activity and decreased sympathetic responsiveness to cold in hypertension.
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Affiliation(s)
- Heidi E Hintsala
- Center for Environmental and Respiratory Health Research (CERH), University of OuluOulu, Finland; Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland
| | - Antti M Kiviniemi
- Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland; Research Unit of Internal Medicine, University of OuluOulu, Finland
| | - Mikko P Tulppo
- Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland; Research Unit of Internal Medicine, University of OuluOulu, Finland
| | - Heta Helakari
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu Oulu, Finland
| | - Hannu Rintamäki
- Finnish Institute of Occupational HealthOulu, Finland; Research Unit of Biomedicine, University of OuluOulu, Finland
| | - Matti Mäntysaari
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu Oulu, Finland
| | - Karl-Heinz Herzig
- Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland; Research Unit of Biomedicine, University of OuluOulu, Finland; Biocenter of Oulu, University of OuluOulu, Finland; Department of Gastroenterology and Metabolism, Poznan University of Medical SciencesPoznan, Poland
| | - Sirkka Keinänen-Kiukaanniemi
- Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland; Center for Life Course Health Research, University of OuluOulu, Finland; Unit of Primary Health Care, Oulu University HospitalOulu, Finland
| | - Jouni J K Jaakkola
- Center for Environmental and Respiratory Health Research (CERH), University of OuluOulu, Finland; Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland; Internal Medicine, Oulu University HospitalOulu, Finland
| | - Tiina M Ikäheimo
- Center for Environmental and Respiratory Health Research (CERH), University of OuluOulu, Finland; Medical Research Center Oulu (MRC Oulu), Oulu University Hospital and University of OuluOulu, Finland
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25
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Hilz MJ, Liu M, Koehn J, Wang R, Ammon F, Flanagan SR, Hösl KM. Valsalva maneuver unveils central baroreflex dysfunction with altered blood pressure control in persons with a history of mild traumatic brain injury. BMC Neurol 2016; 16:61. [PMID: 27146718 PMCID: PMC4857428 DOI: 10.1186/s12883-016-0584-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 04/29/2016] [Indexed: 02/04/2023] Open
Abstract
Background Patients with a history of mild TBI (post-mTBI-patients) have an unexplained increase in long-term mortality which might be related to central autonomic dysregulation (CAD). We investigated whether standardized baroreflex-loading, induced by a Valsalva maneuver (VM), unveils CAD in otherwise healthy post-mTBI-patients. Methods In 29 healthy persons (31.3 ± 12.2 years; 9 women) and 25 post-mTBI-patients (35.0 ± 13.2 years, 7 women, 4–98 months post-injury), we monitored respiration (RESP), RR-intervals (RRI) and systolic blood pressure (BP) at rest and during three VMs. At rest, we calculated parameters of total autonomic modulation [RRI-coefficient-of-variation (CV), RRI-standard-deviation (RRI-SD), RRI-total-powers], of sympathetic [RRI-low-frequency-powers (LF), BP-LF-powers] and parasympathetic modulation [square-root-of-mean-squared-differences-of-successive-RRIs (RMSSD), RRI-high-frequency-powers (HF)], the index of sympatho-vagal balance (RRI LF/HF-ratios), and baroreflex sensitivity (BRS). We calculated Valsalva-ratios (VR) and times from lowest to highest RRIs after strain (VR-time) as indices of parasympathetic activation, intervals from highest systolic BP-values after strain-release to the time when systolic BP had fallen by 90 % of the differences between peak-phase-IV-BP and baseline-BP (90 %-BP-normalization-times), and velocities of BP-normalization (90 %-BP-normalization-velocities) as indices of sympathetic withdrawal. We compared patient- and control-parameters before and during VM (Mann-Whitney-U-tests or t-tests; significance: P < 0.05). Results At rest, RRI-CVs, RRI-SDs, RRI-total-powers, RRI-LF-powers, BP-LF-powers, RRI-RMSSDs, RRI-HF-powers, and BRS were lower in patients than controls. During VMs, 90 %-BP-normalization-times were longer, and 90 %-BP-normalization-velocities were lower in patients than controls (P < 0.05). Conclusions Reduced autonomic modulation at rest and delayed BP-decrease after VM-induced baroreflex-loading indicate subtle CAD with altered baroreflex adjustment to challenge. More severe autonomic challenge might trigger more prominent cardiovascular dysregulation and thus contribute to increased mortality risk in post-mTBI-patients.
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Affiliation(s)
- Max J Hilz
- Department of Neurology, University of Erlangen-Nuremberg, Schwabachanlage 6, D-91054, Erlangen, Germany.
| | - Mao Liu
- Department of Neurology, University of Erlangen-Nuremberg, Schwabachanlage 6, D-91054, Erlangen, Germany
| | - Julia Koehn
- Department of Neurology, University of Erlangen-Nuremberg, Schwabachanlage 6, D-91054, Erlangen, Germany
| | - Ruihao Wang
- Department of Neurology, University of Erlangen-Nuremberg, Schwabachanlage 6, D-91054, Erlangen, Germany
| | - Fabian Ammon
- Department of Neurology, University of Erlangen-Nuremberg, Schwabachanlage 6, D-91054, Erlangen, Germany
| | - Steven R Flanagan
- Department of Rehabilitation Medicine, New York University School of Medicine, 240 East 38th Street, New York, NY, 10016, USA
| | - Katharina M Hösl
- Department of Psychiatry and Psychotherapy, Paracelsus Medical University Nuremberg, Prof.-Ernst-Nathan-Strasse 1, 90419, Nuremberg, Germany
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26
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Blomster H, Laitinen TP, Hartikainen JE, Laitinen TM, Vanninen E, Gylling H, Sahlman J, Kokkarinen J, Randell J, Seppä J, Tuomilehto H. Mild obstructive sleep apnea does not modulate baroreflex sensitivity in adult patients. Nat Sci Sleep 2015. [PMID: 26203292 PMCID: PMC4487157 DOI: 10.2147/nss.s82443] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is a chronic and progressive disease. OSA is associated with increased cardiovascular morbidity and mortality, the risk being more frequently encountered with severe degrees of OSA. Increased sympathetic activation and impaired cardiac autonomic control as reflected by depressed baroreceptor reflex sensitivity (BRS) are possible mechanisms involved in the cardiovascular complications of OSA. However, it is not known at what stage of OSA that changes in BRS appear. The aim of this study was to evaluate BRS in patients with mild OSA. METHODS The study population consisted of 81 overweight patients with mild OSA and 46 body weight-matched non-OSA subjects. BRS, apnea-hypopnea index, body mass index, and metabolic parameters were assessed. The phenylephrine test was used to measure BRS. RESULTS Patients in the OSA group were slightly but significantly older than the non-OSA population (50.3±9.3 years vs 45.7±11.1 years, P=0.02). Body mass index, percentage body fat, blood pressure, fasting glucose, insulin, and lipid levels did not differ between the OSA patients and non-OSA subjects. Absolute BRS values in patients with mild OSA and non-OSA subjects (9.97±6.70 ms/mmHg vs 10.51±7.16 ms/mmHg, P=0.67) and BRS values proportional to age-related and sex-related reference values (91.4%±22.7% vs 92.2%±21.8%, P=0.84) did not differ from each other. BRS <50% of the sex-specific reference value was found in 6% of patients with mild OSA and in 2% of non-OSA subjects (P=0.29). CONCLUSION Patients with mild OSA did not show evidence of disturbed BRS in comparison with weight-matched non-OSA controls.
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Affiliation(s)
- Henry Blomster
- Department of Otorhinolaryngology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Tomi P Laitinen
- Department of Clinical Physiology and Nuclear Medicine, University of Eastern Finland, Kuopio, Finland
| | - Juha Ek Hartikainen
- Department of Internal Medicine, University of Eastern Finland, Kuopio, Finland ; Heart Center, Kuopio University Hospital, Kuopio, Finland
| | - Tiina M Laitinen
- Department of Clinical Physiology and Nuclear Medicine, University of Eastern Finland, Kuopio, Finland
| | - Esko Vanninen
- Department of Clinical Physiology and Nuclear Medicine, University of Eastern Finland, Kuopio, Finland
| | - Helena Gylling
- Department of Clinical Nutrition, School of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland ; Department of Medicine, Division of Internal Medicine, University of Helsinki, Helsinki, Finland
| | - Johanna Sahlman
- Department of Otorhinolaryngology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Jouko Kokkarinen
- Department of Respiratory Medicine, Kuopio University Hospital, Kuopio, Finland
| | - Jukka Randell
- Department of Respiratory Medicine, Kuopio University Hospital, Kuopio, Finland
| | - Juha Seppä
- Department of Otorhinolaryngology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Henri Tuomilehto
- Department of Clinical Nutrition, School of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland ; Oivauni Sleep Clinic, Kuopio, Finland
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