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Wang Z, Jiang F, Xiao J, Chen L, Zhang Y, Li J, Yi Y, Min W, Su L, Liu X, Zou Z. Heart rate variability changes in patients with obstructive sleep apnea: A systematic review and meta-analysis. J Sleep Res 2023; 32:e13708. [PMID: 36070876 DOI: 10.1111/jsr.13708] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/25/2022] [Accepted: 07/07/2022] [Indexed: 02/03/2023]
Abstract
Obstructive sleep apnea is a common sleep breathing disorder related to autonomic nervous function disturbances. Heart rate variability is an important non-invasive indicator of autonomic nervous system function. The PubMed, Embase, Medline and Web of Science databases were systematically searched for English literature comparing patients with obstructive sleep apnea with controls up to May 2021. Heart rate variability outcomes, including integrated indices (parasympathetic function and total variability), time domain indices (the standard deviation of NN intervals and the root mean square of the successive differences between normal heartbeats) and frequency domain indices (high-frequency, low-frequency, very-low-frequency and the ratio of low-frequency to high-frequency) were derived from the studies. Twenty-two studies that included 2565 patients with obstructive sleep apnea and 1089 healthy controls were included. Compared with controls, patients with obstructive sleep apnea exhibited significantly reduced parasympathetic function. For the obstructive sleep apnea severity subgroup meta-analysis, patients with severe obstructive sleep apnea had significantly lower parasympathetic function, high-frequency, root mean square of the successive differences between normal heartbeats and standard deviation of NN intervals, and higher low-frequency and ratios of low-frequency to high-frequency. However, only the ratio of low-frequency to high-frequency was significantly higher in patients with moderate obstructive sleep apnea than in controls. Finally, for the collection time analysis, patients with obstructive sleep apnea had significantly higher low-frequency and ratio of low-frequency to high-frequency at night, significantly lower parasympathetic function, high-frequency, root mean square of the successive differences between normal heartbeats and standard deviation of NN intervals, and a higher ratio of low-frequency to high-frequency during the day than controls. Autonomic function impairment was more serious in patients with severe obstructive sleep apnea. During sleep, low-frequency can well reflect the impairment of autonomic function in obstructive sleep apnea, and the ratio of low-frequency to high-frequency may play an important role in obstructive sleep apnea diagnosis.
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Affiliation(s)
- Zuxing Wang
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Fugui Jiang
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Jun Xiao
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Lili Chen
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Yuan Zhang
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China
| | - Jieying Li
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Yang Yi
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Wenjiao Min
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Liuhui Su
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Xuemei Liu
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
| | - Zhili Zou
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China
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Dissanayake HU, Bin YS, Sutherland K, Ucak S, de Chazal P, Cistulli PA. The effect of obstructive sleep apnea therapy on cardiovascular autonomic function: a systematic review and meta-analysis. Sleep 2022; 45:6700716. [PMID: 36107126 PMCID: PMC9742902 DOI: 10.1093/sleep/zsac210] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/01/2022] [Indexed: 12/15/2022] Open
Abstract
STUDY OBJECTIVES Autonomic function is impaired in obstructive sleep apnea (OSA) and may mediate the association between OSA and cardiovascular risk. We investigated the effect of OSA therapy on autonomic function through a systematic review and meta-analysis of intervention studies. METHODS A systematic search using three databases (Medline, Embase, and Scopus) was performed up to December 9, 2020. Studies of OSA patients ≥ 18 years with autonomic function assessed before and after treatment with positive airway pressure, oral appliance, positional therapy, weight loss, or surgical intervention were included for review. Random effects meta-analysis was carried out for five groups of autonomic function indices. Risk of bias was assessed using the Cochrane Collaboration tool. RESULTS Forty-three eligible studies were reviewed with 39 included in the meta-analysis. OSA treatment led to large decreases in muscle sympathetic nerve activity (Hedges' g = -1.08; 95% CI -1.50, -0.65, n = 8) and moderate decreases in catecholamines (-0.60; -0.94, -0.27, n = 3) and radio nucleotide imaging (-0.61; -0.99, -0.24, n = 2). OSA therapy had no significant effect on baroreflex function (Hedges' g = 0.15; 95% CI -0.09, 0.39, n = 6) or heart rate variability (0.02; -0.32, 0.36, n = 14). There was a significant risk of bias due to studies being primarily non-randomized trials. CONCLUSIONS OSA therapy selectively improves autonomic function measures. The strongest evidence for the effect of OSA therapy on autonomic function was seen in reduced sympathetic activity as assessed by microneurography, but without increased improvement in parasympathetic function. OSA therapy may reduce the risk of cardiovascular disease in OSA through reduced sympathetic activity.
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Affiliation(s)
- Hasthi U Dissanayake
- Corresponding author. Hasthi Dissanayake, 3E67 Sleep Research Group, D17 Charles Perkins Centre, University of Sydney NSW 2006, Australia.
| | - Yu Sun Bin
- Sleep Research Group, Charles Perkins Centre, University of Sydney, Australia,Northern Clinical School, Faculty of Medicine and Health, University of Sydney, Australia
| | - Kate Sutherland
- Sleep Research Group, Charles Perkins Centre, University of Sydney, Australia,Northern Clinical School, Faculty of Medicine and Health, University of Sydney, Australia,Centre for Sleep Health and Research, Department of Respiratory Medicine, Royal North Shore Hospital, Australia
| | - Seren Ucak
- Sleep Research Group, Charles Perkins Centre, University of Sydney, Australia,Northern Clinical School, Faculty of Medicine and Health, University of Sydney, Australia
| | - Philip de Chazal
- Sleep Research Group, Charles Perkins Centre, University of Sydney, Australia,School of Biomedical Engineering, University of Sydney, Sydney, NSW, 2006, Australia
| | - Peter A Cistulli
- Sleep Research Group, Charles Perkins Centre, University of Sydney, Australia,Northern Clinical School, Faculty of Medicine and Health, University of Sydney, Australia,Centre for Sleep Health and Research, Department of Respiratory Medicine, Royal North Shore Hospital, Australia
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3
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Mohammadieh AM, Dissanayake HU, Sutherland K, Ucak S, De Chazal P, Cistulli PA. Does obstructive sleep apnoea modulate cardiac autonomic function in paroxysmal atrial fibrillation? J Interv Card Electrophysiol 2022; 66:873-883. [PMID: 35397040 PMCID: PMC10172286 DOI: 10.1007/s10840-022-01202-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/24/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE The autonomic nervous system may mediate acute apnoea-induced atrial fibrillation (AF). We compared cardiac autonomic function in paroxysmal atrial fibrillation (PAF) patients with and without obstructive sleep apnoea (OSA). METHODS Case control study of 101 patients with PAF recruited at two tertiary centres. All patients underwent in-laboratory polysomnography. ECG signal demonstrating "steady state" sinus rhythm (i.e. with arrhythmic beats and respiratory events excluded) was included in the analysis. Cardiac autonomic function was assessed via measures of heart rate variability (HRV) and reported by sleep stage (REM vs Non-REM) for patients with and without OSA. RESULTS Sixty-five (66.3%) of patients were male, mean age 61.5 ± 11.6 years, mean BMI 27.1 ± 4.3 kg/m2. Global measures of HRV (triangular index, total power) did not differ between PAF patients with and without OSA in either REM or non-REM sleep. Frequency-domain analysis during non-REM sleep in PAF patients with OSA showed increased cardiac parasympathetic modulation (HF-nu: 39.1 ± 15.7 vs 48.0 ± 14.6, p = 0.008) and reduced cardiac sympathetic modulation (LF-nu 54.1 ± 19.7 vs 43.7 ± 18.0, p = 0.012, LF/HF ratio: 2.1 ± 2.0 vs 1.2 ± 1.0, p = 0.007). Results remained significant after adjusting for age, sex, and BMI (adjusted p values 0.024, 0.045 and 0.018 respectively). There were no differences in HRV parameters during REM sleep. CONCLUSIONS This is the first study of HRV in PAF patients with and without OSA. Our results indicate limited differences in HRV between groups. However, this work suggests a chronic increase in parasympathetic nervous modulation and relative reduction in sympathetic modulation in PAF patients with OSA during steady-state non-REM sleep.
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Affiliation(s)
- Anna Mary Mohammadieh
- Sleep Research Group, Charles Perkins Centre and Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia.
- Department of Respiratory and Sleep Medicine, Centre for Sleep Health & Research, Level 8, Acute Services Building, Royal North Shore Hospital, St Leonards, NSW, 2065, Australia.
- Department of Thoracic Medicine, St Vincent's Hospital, Darlinghurst, 2010, Australia.
| | - Hasthi U Dissanayake
- Sleep Research Group, Charles Perkins Centre and Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- School of Biomedical Engineering, University of Sydney, Sydney, NSW, 2006, Australia
| | - Kate Sutherland
- Sleep Research Group, Charles Perkins Centre and Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Respiratory and Sleep Medicine, Centre for Sleep Health & Research, Level 8, Acute Services Building, Royal North Shore Hospital, St Leonards, NSW, 2065, Australia
| | - Seren Ucak
- Sleep Research Group, Charles Perkins Centre and Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- School of Biomedical Engineering, University of Sydney, Sydney, NSW, 2006, Australia
| | - Philip De Chazal
- Sleep Research Group, Charles Perkins Centre and Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- School of Biomedical Engineering, University of Sydney, Sydney, NSW, 2006, Australia
| | - Peter A Cistulli
- Sleep Research Group, Charles Perkins Centre and Northern Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Respiratory and Sleep Medicine, Centre for Sleep Health & Research, Level 8, Acute Services Building, Royal North Shore Hospital, St Leonards, NSW, 2065, Australia
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Orjuela-Cañón AD, Cerquera A, Freund JA, Juliá-Serdá G, Ravelo-García AG. Sleep apnea: Tracking effects of a first session of CPAP therapy by means of Granger causality. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2020; 187:105235. [PMID: 31812116 DOI: 10.1016/j.cmpb.2019.105235] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/04/2019] [Accepted: 11/18/2019] [Indexed: 06/10/2023]
Abstract
Connectivity between physiological networks is an issue of particular importance for understanding the complex interaction brain-heart. In the present study, this interaction was analyzed in polysomnography recordings of 28 patients diagnosed with obstructive sleep apnea (OSA) and compared with a group of 10 control subjects. Electroencephalography and electrocardiography signals from these polysomnography time series were characterized employing Granger causality computation to measure the directed connectivity among five brain waves and three spectral subbands of heart rate variability. Polysomnography data from OSA patients were recorded before and during a first session of continuous positive air pressure (CPAP) therapy in a split-night study. Results showed that CPAP therapy allowed the recovery of inner brain connectivities, mainly in subsystems involving the theta wave. In addition, differences between control and OSA patients were established in connections that involve lower frequency ranges of heart rate variability. This information can be potentially useful in the initial diagnosis of OSA, and determine the role of cardiac activity in sleep dynamics based on the use of three subbands of heart rate variability.
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Affiliation(s)
- Alvaro D Orjuela-Cañón
- Facultad de Ingeniería Mecánica, Electrónica y Biomédica, Universidad Antonio Nariño, Bogotá D.C., Colombia; Biomedical Engineering Program, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá D.C., Colombia.
| | - Alexander Cerquera
- Brain Dynamics Program, Wilder Center for Epilepsy Research. Department of Neurology-College of Medicine. University of Florida, Gainesville, FL, United States.
| | - Jan A Freund
- Carl von Ossietzky Universität Oldenburg. ICBM & Research Center Neurosensory Science. D-26111, Oldenburg, Germany.
| | - Gabriel Juliá-Serdá
- Pulmonary Medicine Department, Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria 35010, Spain.
| | - Antonio G Ravelo-García
- Institute for Technological Development and Innovation in Communications, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria 35017, Spain.
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5
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Walter LM, Tamanyan K, Weichard AJ, Biggs SN, Davey MJ, Nixon GM, Horne RSC. Age and autonomic control, but not cerebral oxygenation, are significant determinants of EEG spectral power in children. Sleep 2019; 42:5513436. [DOI: 10.1093/sleep/zsz118] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/05/2019] [Indexed: 01/28/2023] Open
Abstract
AbstractStudy ObjectivesSleep disordered breathing (SDB) in children has significant effects on daytime functioning and cardiovascular control; attributed to sleep fragmentation and repetitive hypoxia. Associations between electroencephalograph (EEG) spectral power, autonomic cardiovascular control and cerebral oxygenation have been identified in adults with SDB. To date, there have been no studies in children. We aimed to assess associations between EEG spectral power and heart rate variability as a measure of autonomic control, with cerebral oxygenation in children with SDB.MethodsOne hundred sixteen children (3–12 years) with SDB and 42 controls underwent overnight polysomnography including measurement of cerebral oxygenation. Power spectral analysis of the EEG derived from C4-M1 and F4-M1, quantified delta, theta, alpha, and beta waveforms during sleep. Multiple regression tested whether age, SDB severity, heart rate (HR), HR variability (HRV), and cerebral oxygenation were determinants of EEG spectral power.ResultsThere were no differences in EEG spectral power derived from either central or frontal regions for any frequency between children with different severities of SDB so these were combined. Age, HR, and HRV low frequency power were significant determinants of EEG spectral power depending on brain region and sleep stage.ConclusionThe significant findings of this study were that age and autonomic control, rather than cerebral oxygenation and SDB severity, were predictive of EEG spectral power in children. Further research is needed to elucidate how the physiology that underlies the relationship between autonomic control and EEG impacts on the cardiovascular sequelae in children with SDB.
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Affiliation(s)
- Lisa M Walter
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
| | - Knarik Tamanyan
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
| | - Aidan J Weichard
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
| | - Sarah N Biggs
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
| | - Margot J Davey
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
- Melbourne Children’s Sleep Centre, Monash Children’s Hospital, Melbourne, Australia
| | - Gillian M Nixon
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
- Melbourne Children’s Sleep Centre, Monash Children’s Hospital, Melbourne, Australia
| | - Rosemary S C Horne
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia
- Department of Paediatrics, Monash University, Melbourne, Australia
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6
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Laborde S, Mosley E, Mertgen A. A unifying conceptual framework of factors associated to cardiac vagal control. Heliyon 2018; 4:e01002. [PMID: 30623126 PMCID: PMC6313821 DOI: 10.1016/j.heliyon.2018.e01002] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 07/20/2018] [Accepted: 11/29/2018] [Indexed: 11/30/2022] Open
Abstract
Cardiac vagal control (CVC) reflects the activity of the vagus nerve regulating cardiac functioning. CVC can be inferred via heart rate variability measurement, and it has been positively associated to a broad range of cognitive, emotional, social, and health outcomes. It could then be considered as an indicator for effective self-regulation, and given this role, one should understand the factors increasing and decreasing CVC. The aim of this paper is to review the broad range of factors influencing CVC, and to provide a unifying conceptual framework to integrate comprehensively those factors. The structure of the unifying conceptual framework is based on the theory of ecological rationality, while its functional aspects are based on the neurovisceral integration model. The structure of this framework distinguishes two broad areas of associations: person and environment, as this reflects adequately the role played by CVC regarding adaptation. The added value of this framework lies at different levels: theoretically, it allows integrating findings from a variety of scientific disciplines and refining the predictions of the neurovisceral integration model; methodologically, it helps identifying factors that increase and decrease CVC; and lastly at the applied level, it can play an important role for society regarding health policies and for the individual to empower one's flourishing.
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Affiliation(s)
- Sylvain Laborde
- German Sport University Cologne, Institute of Psychology, Department of Performance Psychology, Germany.,Normandie Université Caen, UFR STAPS, EA 4260, Germany
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Effects of 12 weeks of regular aerobic exercises on autonomic nervous system in obstructive sleep apnea syndrome patients. Sleep Breath 2018; 22:1189-1195. [DOI: 10.1007/s11325-018-1736-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/12/2018] [Accepted: 10/03/2018] [Indexed: 12/16/2022]
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8
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Guo W, Lv T, She F, Miao G, Liu Y, He R, Xue Y, Nu NK, Yang J, Li K, Zhang P. The impact of continuous positive airway pressure on heart rate variability in obstructive sleep apnea patients during sleep: A meta-analysis. Heart Lung 2018; 47:516-524. [PMID: 30031552 DOI: 10.1016/j.hrtlng.2018.05.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Accepted: 05/21/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Heart rate variability (HRV), modulated by cardiac autonomic function, is impaired in obstructive sleep apnea (OSA). However, the effect of continuous positive airway pressure (CPAP) on HRV is debated. OBJECTIVES To investigate the associations between CPAP and HRV in OSA. METHODS Based on literature from five databases published through August 2017, we performed a meta-analysis of cohort studies of OSA treated with CPAP. The change of low-frequency band (LF), high-frequency band (HF) and the ratio between LF and HF (LHR) were analyzed. RESULTS Eleven studies were included. Decreased LF (SMD = -0.32, 95%CI: -0.62,-0.01; P = 0.043) and HF (SMD = -0.51, 95%CI: -0.95, -0.08, P = 0.020) were shown while measured on CPAP. When measured off CPAP, HF was increased remarkably (SMD: 0.31, 95%CI: 0.02, 0.60, P = 0.034). CONCLUSIONS CPAP can improve autonomic activity, which might be one mechanism to reduce the risk of cardiovascular diseases in OSA.
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Affiliation(s)
- Wenjia Guo
- School of Clinical Medicine, Tsinghua University, NO.1, Tsinghua Yuan, Haidian District, Beijing, 100084, China
| | - Tingting Lv
- School of Medicine, Tsinghua University, NO.1, Tsinghua Yuan, Haidian District, Beijing, 100084, China
| | - Fei She
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China
| | - Guobin Miao
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China
| | - Yuanwei Liu
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China
| | - Rong He
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China
| | - Yajun Xue
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China
| | - Nang Kham Nu
- School of Clinical Medicine, Tsinghua University, NO.1, Tsinghua Yuan, Haidian District, Beijing, 100084, China
| | - Jing Yang
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China
| | - Kun Li
- School of Clinical Medicine, Tsinghua University, NO.1, Tsinghua Yuan, Haidian District, Beijing, 100084, China
| | - Ping Zhang
- School of Clinical Medicine, Tsinghua University, NO.1, Tsinghua Yuan, Haidian District, Beijing, 100084, China; Department of Cardiology, Beijing Tsinghua Changgung Hospital, Tsinghua University, NO.168, LiTang Road, Beijing, 102218, China.
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9
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de Zambotti M, Trinder J, Silvani A, Colrain IM, Baker FC. Dynamic coupling between the central and autonomic nervous systems during sleep: A review. Neurosci Biobehav Rev 2018; 90:84-103. [PMID: 29608990 PMCID: PMC5993613 DOI: 10.1016/j.neubiorev.2018.03.027] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 02/16/2018] [Accepted: 03/24/2018] [Indexed: 12/19/2022]
Abstract
Sleep is characterized by coordinated cortical and cardiac oscillations reflecting communication between the central (CNS) and autonomic (ANS) nervous systems. Here, we review fluctuations in ANS activity in association with CNS-defined sleep stages and cycles, and with phasic cortical events during sleep (e.g., arousals, K-complexes). Recent novel analytic methods reveal a dynamic organization of integrated physiological networks during sleep and indicate how multiple factors (e.g., sleep structure, age, sleep disorders) affect "CNS-ANS coupling". However, these data are mostly correlational and there is a lack of clarity of the underlying physiology, making it challenging to interpret causality and direction of coupling. Experimental manipulations (e.g., evoking K-complexes or arousals) provide information on the precise temporal sequence of cortical-cardiac activity, and are useful for investigating physiological pathways underlying CNS-ANS coupling. With the emergence of new analytical approaches and a renewed interest in ANS and CNS communication during sleep, future work may reveal novel insights into sleep and cardiovascular interactions during health and disease, in which coupling could be adversely impacted.
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Affiliation(s)
| | - John Trinder
- Melbourne School of Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia.
| | - Alessandro Silvani
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Italy.
| | - Ian M Colrain
- Center for Health Sciences, SRI International, Menlo Park, CA, USA; Melbourne School of Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia.
| | - Fiona C Baker
- Center for Health Sciences, SRI International, Menlo Park, CA, USA; Brain Function Research Group, School of Physiology, University of the Witwatersrand, Johannesburg, South Africa.
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Crofts CA, Neill A, Campbell A, Bartley J, White DE. Sleep architecture, insulin resistance and the nasal cycle: Implications for positive airway pressure therapy. JOURNAL OF INSULIN RESISTANCE 2018. [DOI: 10.4102/jir.v3i1.34] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Background: The global pandemic of metabolic disease is worsening. The metabolic theory of obesity proposes that hormonal changes, especially hyperinsulinaemia, precede metabolic disease development. Although quality sleep is recognised as a key factor for good health, less is known about disrupted sleep as a risk factor for hyperinsulinaemia. Aim: To explore the relationship between sleep, especially sleep architecture and the nasal cycle, on insulin secretion in obstructive sleep apnoea (OSA) with comorbid metabolic disease. This review includes a discussion of the potential role of Rest-Activity-Cycler positive airway pressure (RACer-PAP), a novel non-pharmacological OSA treatment strategy. Methods: A narrative review of all the relevant papers known to the authors was conducted. This review also included results from a polysomnographic sleep clinic pilot study (n = 3) comparing sleep efficiency of RACer-PAP to nasal continuous positive airways pressure (n-CPAP) in OSA patients. Results: Metabolic disease is strongly associated with disturbed sleep. Sleep architecture influences cerebral hormonal secretion, lateral shifts in the autonomic nervous system and nasal airflow dominance. Disturbed sleep shortens short-wave sleep periods, decreasing insulin sensitivity and glucose tolerance. Improvements to metabolic function during n-CPAP treatment are inconsistent. If RACer-PAP demonstrates superior effects on sleep architecture and autonomic function, it may offer advantages in OSA patients with comorbid metabolic disease. Conclusion: Improving sleep architecture by maintaining the nasal cycle proposes a novel non-pharmacological treatment paradigm for treating OSA with comorbid metabolic disease. Research is required to demonstrate if RACer-PAP therapy influences whole night sleep architecture, sympathovagal balance and markers of metabolic disease.
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Faes L, Marinazzo D, Stramaglia S, Jurysta F, Porta A, Giandomenico N. Predictability decomposition detects the impairment of brain-heart dynamical networks during sleep disorders and their recovery with treatment. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2016; 374:rsta.2015.0177. [PMID: 27044993 PMCID: PMC4822440 DOI: 10.1098/rsta.2015.0177] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/30/2016] [Indexed: 05/03/2023]
Abstract
This work introduces a framework to study the network formed by the autonomic component of heart rate variability (cardiac processη) and the amplitude of the different electroencephalographic waves (brain processes δ, θ, α, σ, β) during sleep. The framework exploits multivariate linear models to decompose the predictability of any given target process into measures of self-, causal and interaction predictability reflecting respectively the information retained in the process and related to its physiological complexity, the information transferred from the other source processes, and the information modified during the transfer according to redundant or synergistic interaction between the sources. The framework is here applied to theη,δ,θ,α,σ,βtime series measured from the sleep recordings of eight severe sleep apnoea-hypopnoea syndrome (SAHS) patients studied before and after long-term treatment with continuous positive airway pressure (CPAP) therapy, and 14 healthy controls. Results show that the full and self-predictability of η, δ and θ decreased significantly in SAHS compared with controls, and were restored with CPAP forδandθbut not forη The causal predictability of η and δ occurred through significantly redundant source interaction during healthy sleep, which was lost in SAHS and recovered after CPAP. These results indicate that predictability analysis is a viable tool to assess the modifications of complexity and causality of the cerebral and cardiac processes induced by sleep disorders, and to monitor the restoration of the neuroautonomic control of these processes during long-term treatment.
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Affiliation(s)
- Luca Faes
- Biotech, Department of Industrial Engineering, University of Trento, Trento, Italy IRCS Program, PAT-FBK Trento, Italy
| | | | - Sebastiano Stramaglia
- Department of Physics, University of Bari, Bari, Italy INFN Sezione di Bari, Bari, Italy
| | - Fabrice Jurysta
- Sleep Laboratory, Department of Psychiatry, ULB-Erasme Academic Hospital, Brussels, Belgium
| | - Alberto Porta
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Nollo Giandomenico
- Biotech, Department of Industrial Engineering, University of Trento, Trento, Italy IRCS Program, PAT-FBK Trento, Italy
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Long-term continuous positive airway pressure therapy improves cardiac autonomic tone during sleep in patients with obstructive sleep apnea. Clin Auton Res 2015; 25:225-32. [DOI: 10.1007/s10286-015-0297-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2014] [Accepted: 04/25/2015] [Indexed: 01/03/2023]
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13
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Faes L, Marinazzo D, Jurysta F, Nollo G. Linear and non-linear brain–heart and brain–brain interactions during sleep. Physiol Meas 2015; 36:683-98. [DOI: 10.1088/0967-3334/36/4/683] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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14
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Obstructive sleep apnea syndrome: An important piece in the puzzle of cardiovascular risk factors. CLINICA E INVESTIGACION EN ARTERIOSCLEROSIS 2014; 27:256-63. [PMID: 25496654 DOI: 10.1016/j.arteri.2014.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 09/30/2014] [Accepted: 10/01/2014] [Indexed: 11/20/2022]
Abstract
The obstructive sleep apnea syndrome (OSA) is a clinical entity characterized by recurring episodes of apnea and/or hypopnea during sleep, due to a total or partial collapse, respectively, of the upper airway. This collapse originates a set of pathophysiological changes that determine the appearance of several cardiovascular complications. OSA contributes for the development of hypertension, heart failure, arrhythmias and coronary heart disease. Nowadays it is recognized to be an important public health problem, taking into account not just its repercussions but also its prevalence, since the main risk factor for the disease is obesity, a growing problem worldwide, both in developed and developing countries. The present review summarizes the current knowledge about OSA, as regards its definition, pathophysiology, clinical manifestations, diagnosis, cardiovascular effects and treatment.
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Tobaldini E, Nobili L, Strada S, Casali KR, Braghiroli A, Montano N. Heart rate variability in normal and pathological sleep. Front Physiol 2013; 4:294. [PMID: 24137133 PMCID: PMC3797399 DOI: 10.3389/fphys.2013.00294] [Citation(s) in RCA: 176] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Accepted: 09/26/2013] [Indexed: 01/15/2023] Open
Abstract
Sleep is a physiological process involving different biological systems, from molecular to organ level; its integrity is essential for maintaining health and homeostasis in human beings. Although in the past sleep has been considered a state of quiet, experimental and clinical evidences suggest a noteworthy activation of different biological systems during sleep. A key role is played by the autonomic nervous system (ANS), whose modulation regulates cardiovascular functions during sleep onset and different sleep stages. Therefore, an interest on the evaluation of autonomic cardiovascular control in health and disease is growing by means of linear and non-linear heart rate variability (HRV) analyses. The application of classical tools for ANS analysis, such as HRV during physiological sleep, showed that the rapid eye movement (REM) stage is characterized by a likely sympathetic predominance associated with a vagal withdrawal, while the opposite trend is observed during non-REM sleep. More recently, the use of non-linear tools, such as entropy-derived indices, have provided new insight on the cardiac autonomic regulation, revealing for instance changes in the cardiovascular complexity during REM sleep, supporting the hypothesis of a reduced capability of the cardiovascular system to deal with stress challenges. Interestingly, different HRV tools have been applied to characterize autonomic cardiac control in different pathological conditions, from neurological sleep disorders to sleep disordered breathing (SDB). In summary, linear and non-linear analysis of HRV are reliable approaches to assess changes of autonomic cardiac modulation during sleep both in health and diseases. The use of these tools could provide important information of clinical and prognostic relevance.
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Affiliation(s)
- Eleonora Tobaldini
- Division of Medicine and Pathophysiology, Department of Biomedical and Clinical Sciences "L. Sacco," L. Sacco Hospital, University of Milan Milan, Italy
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