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Cohen O, Sánchez-de-la-Torre M, Al-Taie Z, Khan S, Kundel V, Kovacic JC, Gracia-Lavedan E, De Batlle J, Nadkarni G, Barbé F, Suárez-Fariñas M, Shah NA. Heterogeneous Effects of Continuous Positive Airway Pressure in Non-Sleepy Obstructive Sleep Apnea on Cardiovascular Disease Outcomes: Post Hoc Machine Learning Analysis of the ISAACC Trial (ECSACT Study). Ann Am Thorac Soc 2024; 21:1074-1084. [PMID: 38358332 DOI: 10.1513/annalsats.202309-799oc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 02/13/2024] [Indexed: 02/16/2024] Open
Abstract
Rationale: Randomized controlled trials of continuous positive airway pressure (CPAP) therapy for cardiovascular disease (CVD) prevention among patients with obstructive sleep apnea (OSA) have been largely neutral. However, given that OSA is a heterogeneous disease, there may be unidentified subgroups demonstrating differential treatment effects. Objectives: We sought to apply a novel data-drive approach to identify nonsleepy OSA subgroups with heterogeneous effects of CPAP on CVD outcomes within the Impact of Sleep Apnea Syndrome in the Evolution of Acute Coronary Syndrome (ISAACC) study. Methods: Participants were randomly partitioned into two datasets. One for training (70%) our machine-learning model and a second (30%) for validation of significant findings. Model-based recursive partitioning was applied to identify subgroups with heterogeneous treatment effects. Survival analysis was conducted to compare treatment (CPAP vs. usual care [UC]) outcomes within subgroups. Results: A total of 1,224 nonsleepy OSA participants were included. Of 55 features entered into our model, only two appeared in the final model (i.e., average OSA event duration and hypercholesterolemia). Among participants at or below the model-derived average event duration threshold (19.5 s), CPAP was protective for a composite of CVD events (training hazard ratio [HR], 0.46; P = 0.002). For those with longer event duration (>19.5 s), an additional split occurred by hypercholesterolemia status. Among participants with longer event duration and hypercholesterolemia, CPAP resulted in more CVD events compared with UC (training HR, 2.24; P = 0.011). The point estimate for this harmful signal was also replicated in the testing dataset (HR, 1.83; P = 0.118). Conclusions: We discovered subgroups of nonsleepy OSA participants within the ISAACC study with heterogeneous effects of CPAP. Among the training dataset, those with longer OSA event duration and hypercholesterolemia had nearly 2.5 times more CVD events with CPAP compared with UC, whereas those with shorter OSA event duration had roughly half the rate of CVD events if randomized to CPAP.
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Affiliation(s)
- Oren Cohen
- Division of Pulmonary, Critical Care, and Sleep Medicine
| | - Manuel Sánchez-de-la-Torre
- Precision Medicine in Chronic Diseases, University Hospital Arnau de Vilanova-Santa Maria, IRB Lleida, Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy, University of Lleida, Lleida, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Zainab Al-Taie
- Center for Biostatistics, Department of Population Health Science and Policy
| | - Samira Khan
- Division of Pulmonary, Critical Care, and Sleep Medicine
| | | | - Jason C Kovacic
- Cardiovascular Research Institute, and
- Victor Chang Cardiac Research Institute, Darlinghurst, New South Wales, Australia
- St. Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia; and
| | - Esther Gracia-Lavedan
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
- Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova-Santa Maria, IRB Lleida, Lleida, Spain
| | - Jordi De Batlle
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
- Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova-Santa Maria, IRB Lleida, Lleida, Spain
| | - Girish Nadkarni
- Division of Data Driven and Digital Medicine (D3M), Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Ferran Barbé
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
- Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova-Santa Maria, IRB Lleida, Lleida, Spain
| | | | - Neomi A Shah
- Division of Pulmonary, Critical Care, and Sleep Medicine
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Wang Y, Buayiximu K, Zhu T, Yan R, Zhu Z, Ni J, Du R, Zhu J, Wang X, Ding F, Yan X, Qu X, Li P, Zhang R, Xu Z, Quan W. Day-night pattern of acute ST-segment elevation myocardial infarction onset in patients with obstructive sleep apnea. J Clin Sleep Med 2024; 20:765-775. [PMID: 38174863 PMCID: PMC11063706 DOI: 10.5664/jcsm.10990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/05/2024]
Abstract
STUDY OBJECTIVES Obstructive sleep apnea (OSA) is associated with acute nocturnal hemodynamic and neurohormonal abnormalities that may increase the risk of coronary events, especially during the nighttime. This study sought to investigate the day-night pattern of acute ST-segment elevation myocardial infarction (STEMI) onset in patients with OSA and its impact on cardiovascular adverse events. METHODS We prospectively enrolled 397 patients with STEMI, for which the time of onset of chest pain was clearly identified. All participants were categorized into non-OSA (n = 280) and OSA (n = 117) groups. The association between STEMI onset time and major adverse cardiovascular and cerebrovascular events was estimated by Cox proportional hazards regression. RESULTS STEMI onset occurred from midnight to 5:59 am in 33% of patients with OSA, as compared with 15% in non-OSA patients (P < .01). For individuals with OSA, the relative risk of STEMI from midnight to 5:59 am was 2.717 [95% confidence interval (CI) 1.616 - 4.568] compared with non-OSA patients. After a median of 2.89 ± 0.78 years follow-up, symptom onset time was found to be significantly associated with risk of major adverse cardiovascular and cerebrovascular events in patients with OSA, while there was no significant association observed in non-OSA patients. Compared with STEMI presenting during noon to 5:59 pm, the hazard ratios for major adverse cardiovascular and cerebrovascular events in patients with OSA were 4.683 (95% CI 2.024 - 21.409, P = .027) for midnight to 5:59 am and 6.964 (95% CI 1.379 - 35.169, P = .019) for 6 pm to midnight, whereas the hazard ratios for non-OSA patients were 1.053 (95% CI 0.394 - 2.813, P = .917) for midnight to 5:59 am and 0.745 (95% CI 0.278 - 1.995, P = .558) for 6 pm to midnight. CONCLUSIONS Patients with OSA exhibited a peak incidence of STEMI between midnight and 5:59 am, which showed an independent association with cardiovascular adverse events. CITATION Wang Y, Buayiximu K, Zhu T, et al. Day-night pattern of acute ST-segment elevation myocardial infarction onset in patients with obstructive sleep apnea. J Clin Sleep Med. 2024;20(5):765-775.
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Affiliation(s)
- Yueying Wang
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Keremu Buayiximu
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tianqi Zhu
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Renyu Yan
- Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhengbin Zhu
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jingwei Ni
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Run Du
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinzhou Zhu
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoqun Wang
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fenghua Ding
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoxiang Yan
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuezheng Qu
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ping Li
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruiyan Zhang
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhihong Xu
- Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiwei Quan
- Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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3
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Battaglia E, Banfi P, Compalati E, Nicolini A, Diaz DE Teran T, Gonzales M, Solidoro P. The pathogenesis of OSA-related hypertension: what are the determining factors? Minerva Med 2024; 115:68-82. [PMID: 37947781 DOI: 10.23736/s0026-4806.23.08466-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Sleep-disordered breathing has a relatively high prevalence, which varies from 3-7% in males and from 2-5% in females in the adult population. Studies published in the literature have shown that sleep apnea is closely related to an increased risk of developing various pathologies, among which arterial hypertension stands out. The prevalence of hypertension in patients suffering from obstructive sleep apnea (OSA) ranges from 35-80% and appears to be related to OSA severity. Approximately 40-50% of patients affected by hypertension are also affected by OSA and this association seems to be stronger in young and middle-aged adults (<50 years of age). The primary objective of this narrative review is to provide an update on what are the main contributing comorbidities to the development of a hypertensive state in patients suffering from OSA, an independent risk factor for diurnal hypertension, implicated as a risk factor for the first stroke, recurrent stroke, and post-stroke mortality. There are a lot of factors that contribute to developing a hypertensive state in OSA patients, some more decisive, others less. More evidence from longitudinal studies is needed on the impact of OSA on cardiovascular risk in females, on the causal link between OSA and arterial hypertension or metabolic diseases, like diabetes and glucose intolerance, and the effect of different kinds of OSA treatment.
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Affiliation(s)
- Elvia Battaglia
- IRCCS Don Carlo Gnocchi Foundation - Santa Maria Nascente, Milan, Italy
| | - Paolo Banfi
- IRCCS Don Carlo Gnocchi Foundation - Santa Maria Nascente, Milan, Italy
| | - Elena Compalati
- IRCCS Don Carlo Gnocchi Foundation - Santa Maria Nascente, Milan, Italy -
| | | | - Teresa Diaz DE Teran
- Sleep Disorders and Non Invasive Ventilation Unit, Division of Pneumology, Marqués de Valdecilla University Hospital, Santander, Spain
| | - Monica Gonzales
- Sleep Disorders and Non Invasive Ventilation Unit, Division of Pneumology, Marqués de Valdecilla University Hospital, Santander, Spain
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4
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Dai L, Guo J, Hui X, Wang X, Luo J, Huang R, Xiao Y. The potential interaction between chemosensitivity and the development of cardiovascular disease in obstructive sleep apnea. Sleep Med 2024; 114:266-271. [PMID: 38244464 DOI: 10.1016/j.sleep.2024.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/03/2024] [Accepted: 01/07/2024] [Indexed: 01/22/2024]
Abstract
OBJECTIVES Chemosensitivity is an essential part of the pathophysiological mechanisms of obstructive sleep apnea (OSA). Not only does OSA have a certain relationship with the comorbidity of cardiovascular disease (CVD) but also chemosensitivity plays a crucial role in the development of CVD. This study aims to investigate the potential interaction between chemosensitivity and the development of CVD in OSA. METHODS A total of 169 participants with suspected OSA were included. Data were gathered on the parameters of polysomnography and baseline clinical features. Peripheral chemosensitivity was evaluated by employing the rebreathing test. The lifetime CVD risk was computed using the China-PAR (Prediction for atherosclerotic CVD Risk in China) risk equation. RESULTS After controlling for covariates, participants with chemosensitivity levels in the second and fifth quantiles tended to hold an increased proportion of high lifetime CVD risk (OR 10.90, 95%CI [2.81-42.28]; OR 6.78, 95%CI [1.70-27.05], respectively). The diagnosis of OSA would significantly increase the 10-year and lifetime CVD risks in participants with low chemosensitivity, while no such differences were found in participants with high chemosensitivity. CONCLUSION Higher lifetime CVD risk was associated with participants who had greater peripheral chemosensitivity. In terms of the CVD outcomes, adult patients with a relatively low level of chemosensitivity may be primarily related to their diagnosis of OSA, whereas adult patients with a relatively high level of chemosensitivity may be more strongly associated with their elevated levels of chemosensitivity rather than OSA.
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Affiliation(s)
- Lu Dai
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Junwei Guo
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Xinjie Hui
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Xiaona Wang
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Jinmei Luo
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Rong Huang
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Yi Xiao
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
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5
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Hao W, Wang B, Fan J, Que B, Ai H, Wang X, Nie S. Obstructive sleep apnea is associated with the long-term prognosis of patients in acute coronary syndromes with prior myocardial infarction: Insights from OSA-ACS study. Sleep Med 2023; 112:141-148. [PMID: 37862977 DOI: 10.1016/j.sleep.2023.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 08/13/2023] [Accepted: 10/08/2023] [Indexed: 10/22/2023]
Abstract
OBJECTIVE The prognostic significance of obstructive sleep apnea (OSA) in patients with acute coronary syndrome (ACS) according to prior myocardial infarction (MI) remains unclear. We aimed to investigate the association between OSA and long-term cardiovascular outcomes in ACS patients with or without prior MI. METHODS We prospectively recruited eligible 2160 ACS patients with portable sleep monitoring in Beijing Anzhen Hospital between June 2015 and January 2020. OSA was defined as an apnea hypopnea index (AHI) ≥15 events/hour. The primary endpoint was major adverse cardiovascular and cerebrovascular event (MACCE), including cardiovascular death, myocardial infarction, stroke, ischemia-driven revascularization, or hospitalization for unstable angina or heart failure. RESULTS Among 1927 patients enrolled, 1014 (52.6%) had OSA and 316 (16.4%) had prior MI. During 2.9 (1.5, 3.6) years of follow-up, multivariate analysis showed that OSA was associated with 1.7 times the risk of MACCE in patients with prior MI (50 events [28.2%] vs 24 events [17.3%]; adjusted HR = 1.74, 95%CI 1.04-2.90, P = 0.034), but not in patients without prior MI group (177 events [21.1%] vs 138 events [17.8%]; adjusted HR = 1.19, 95%CI 0.94-1.51, P = 0.15). There was no significant interaction between prior MI and OSA for MACCE (interaction P = 0.14). CONCLUSIONS OSA was independently associated with an increased risk of MACCE among ACS patients, particularly among ACS patients with prior MI. Further trials exploring the efficacy of OSA treatment in high-risk patients with ACS characterized by prior MI are warranted.
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Affiliation(s)
- Wen Hao
- Center for Coronary Artery Disease, Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Cardiovascular Diseases, Beijing, China
| | - Bin Wang
- Division of Cardiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), Qingdao, China
| | - Jingyao Fan
- Center for Coronary Artery Disease, Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Cardiovascular Diseases, Beijing, China
| | - Bin Que
- Center for Coronary Artery Disease, Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Cardiovascular Diseases, Beijing, China
| | - Hui Ai
- Center for Coronary Artery Disease, Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Cardiovascular Diseases, Beijing, China
| | - Xiao Wang
- Center for Coronary Artery Disease, Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Cardiovascular Diseases, Beijing, China.
| | - Shaoping Nie
- Center for Coronary Artery Disease, Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Cardiovascular Diseases, Beijing, China.
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6
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Chang JL, Goldberg AN, Alt JA, Alzoubaidi M, Ashbrook L, Auckley D, Ayappa I, Bakhtiar H, Barrera JE, Bartley BL, Billings ME, Boon MS, Bosschieter P, Braverman I, Brodie K, Cabrera-Muffly C, Caesar R, Cahali MB, Cai Y, Cao M, Capasso R, Caples SM, Chahine LM, Chang CP, Chang KW, Chaudhary N, Cheong CSJ, Chowdhuri S, Cistulli PA, Claman D, Collen J, Coughlin KC, Creamer J, Davis EM, Dupuy-McCauley KL, Durr ML, Dutt M, Ali ME, Elkassabany NM, Epstein LJ, Fiala JA, Freedman N, Gill K, Boyd Gillespie M, Golisch L, Gooneratne N, Gottlieb DJ, Green KK, Gulati A, Gurubhagavatula I, Hayward N, Hoff PT, Hoffmann OM, Holfinger SJ, Hsia J, Huntley C, Huoh KC, Huyett P, Inala S, Ishman SL, Jella TK, Jobanputra AM, Johnson AP, Junna MR, Kado JT, Kaffenberger TM, Kapur VK, Kezirian EJ, Khan M, Kirsch DB, Kominsky A, Kryger M, Krystal AD, Kushida CA, Kuzniar TJ, Lam DJ, Lettieri CJ, Lim DC, Lin HC, Liu SY, MacKay SG, Magalang UJ, Malhotra A, Mansukhani MP, Maurer JT, May AM, Mitchell RB, Mokhlesi B, Mullins AE, Nada EM, Naik S, Nokes B, Olson MD, Pack AI, Pang EB, Pang KP, Patil SP, Van de Perck E, Piccirillo JF, Pien GW, Piper AJ, Plawecki A, Quigg M, Ravesloot MJ, Redline S, Rotenberg BW, Ryden A, Sarmiento KF, Sbeih F, Schell AE, Schmickl CN, Schotland HM, Schwab RJ, Seo J, Shah N, Shelgikar AV, Shochat I, Soose RJ, Steele TO, Stephens E, Stepnowsky C, Strohl KP, Sutherland K, Suurna MV, Thaler E, Thapa S, Vanderveken OM, de Vries N, Weaver EM, Weir ID, Wolfe LF, Tucker Woodson B, Won CH, Xu J, Yalamanchi P, Yaremchuk K, Yeghiazarians Y, Yu JL, Zeidler M, Rosen IM. International Consensus Statement on Obstructive Sleep Apnea. Int Forum Allergy Rhinol 2023; 13:1061-1482. [PMID: 36068685 PMCID: PMC10359192 DOI: 10.1002/alr.23079] [Citation(s) in RCA: 53] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/12/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Evaluation and interpretation of the literature on obstructive sleep apnea (OSA) allows for consolidation and determination of the key factors important for clinical management of the adult OSA patient. Toward this goal, an international collaborative of multidisciplinary experts in sleep apnea evaluation and treatment have produced the International Consensus statement on Obstructive Sleep Apnea (ICS:OSA). METHODS Using previously defined methodology, focal topics in OSA were assigned as literature review (LR), evidence-based review (EBR), or evidence-based review with recommendations (EBR-R) formats. Each topic incorporated the available and relevant evidence which was summarized and graded on study quality. Each topic and section underwent iterative review and the ICS:OSA was created and reviewed by all authors for consensus. RESULTS The ICS:OSA addresses OSA syndrome definitions, pathophysiology, epidemiology, risk factors for disease, screening methods, diagnostic testing types, multiple treatment modalities, and effects of OSA treatment on multiple OSA-associated comorbidities. Specific focus on outcomes with positive airway pressure (PAP) and surgical treatments were evaluated. CONCLUSION This review of the literature consolidates the available knowledge and identifies the limitations of the current evidence on OSA. This effort aims to create a resource for OSA evidence-based practice and identify future research needs. Knowledge gaps and research opportunities include improving the metrics of OSA disease, determining the optimal OSA screening paradigms, developing strategies for PAP adherence and longitudinal care, enhancing selection of PAP alternatives and surgery, understanding health risk outcomes, and translating evidence into individualized approaches to therapy.
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Affiliation(s)
- Jolie L. Chang
- University of California, San Francisco, California, USA
| | | | | | | | - Liza Ashbrook
- University of California, San Francisco, California, USA
| | | | - Indu Ayappa
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | - Maurits S. Boon
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Pien Bosschieter
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | - Itzhak Braverman
- Hillel Yaffe Medical Center, Hadera Technion, Faculty of Medicine, Hadera, Israel
| | - Kara Brodie
- University of California, San Francisco, California, USA
| | | | - Ray Caesar
- Stone Oak Orthodontics, San Antonio, Texas, USA
| | | | - Yi Cai
- University of California, San Francisco, California, USA
| | | | | | | | | | | | | | | | | | - Susmita Chowdhuri
- Wayne State University and John D. Dingell VA Medical Center, Detroit, Michigan, USA
| | - Peter A. Cistulli
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - David Claman
- University of California, San Francisco, California, USA
| | - Jacob Collen
- Uniformed Services University, Bethesda, Maryland, USA
| | | | | | - Eric M. Davis
- University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Mohan Dutt
- University of Michigan, Ann Arbor, Michigan, USA
| | - Mazen El Ali
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | | | | | | | - Kirat Gill
- Stanford University, Palo Alto, California, USA
| | | | - Lea Golisch
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | | | | | - Arushi Gulati
- University of California, San Francisco, California, USA
| | | | | | - Paul T. Hoff
- University of Michigan, Ann Arbor, Michigan, USA
| | - Oliver M.G. Hoffmann
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | - Jennifer Hsia
- University of Minnesota, Minneapolis, Minnesota, USA
| | - Colin Huntley
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | | | | | - Sanjana Inala
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | | | | | | | | | | | - Meena Khan
- Ohio State University, Columbus, Ohio, USA
| | | | - Alan Kominsky
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | - Meir Kryger
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Derek J. Lam
- Oregon Health and Science University, Portland, Oregon, USA
| | | | | | | | | | | | | | - Atul Malhotra
- University of California, San Diego, California, USA
| | | | - Joachim T. Maurer
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Anna M. May
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Ron B. Mitchell
- University of Texas, Southwestern and Children’s Medical Center Dallas, Texas, USA
| | | | | | | | | | - Brandon Nokes
- University of California, San Diego, California, USA
| | | | - Allan I. Pack
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | | | | | | | | | | | | | - Mark Quigg
- University of Virginia, Charlottesville, Virginia, USA
| | | | - Susan Redline
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Armand Ryden
- Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | | | - Firas Sbeih
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | | | | | | | | | - Jiyeon Seo
- University of California, Los Angeles, California, USA
| | - Neomi Shah
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | - Ryan J. Soose
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Erika Stephens
- University of California, San Francisco, California, USA
| | | | | | | | | | - Erica Thaler
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sritika Thapa
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Nico de Vries
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | | | - Ian D. Weir
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Josie Xu
- University of Toronto, Ontario, Canada
| | | | | | | | | | | | - Ilene M. Rosen
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
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7
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Fujiyoshi K, Tojo T, Minami Y, Ishida K, Ishida M, Wakabayashi KI, Inomata T, Ako J. Clinical outcomes and plaque characteristics in patients with coronary artery disease and concomitant sleep-disordered breathing treated by continuous positive airway pressure. Sleep Med 2023; 101:543-549. [PMID: 36577225 DOI: 10.1016/j.sleep.2022.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/15/2022] [Accepted: 12/18/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND Sleep-disordered breathing (SDB) is a risk factor for recurrent adverse events in patients with coronary artery disease (CAD). However, the prognosis of continuous positive alveolar pressure (CPAP) treatment for SDB with CAD remains unknown. METHODS A total of 281 consecutive patients with stable CAD requiring percutaneous coronary intervention (PCI) were included and classified into three groups according to the concomitance of SDB and CPAP treatment (untreated SDB group, n = 61; CPAP-SDB group, n = 24; and non-SDB group, n = 138). The incidence of major adverse cardiac and cerebrovascular events (MACCEs) within a year after PCI was compared between the three groups. The characteristics of the culprit plaques, including macrophage accumulation, were further assessed using optical coherence tomography. RESULTS The incidence of MACCEs was significantly different among the three groups (p = 0.037), with the highest incidence in the untreated-SDB group (22.9%) and 8.3% and 10.1% in the CPAP-SDB and non-SDB groups, respectively. The incidence of MACCEs at 1 year was significantly lower in patients with appropriate CPAP use than that in inadequately treated patients with SDB (0.0 vs. 22.5%, p = 0.048). Macrophage accumulation differed significantly among the three groups, with the highest accumulation in the untreated SDB group. CONCLUSIONS CPAP treatment for SDB may be associated with a lower incidence of MACCEs following PCI and a lower prevalence of macrophages in the culprit plaques.
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Affiliation(s)
- Kazuhiro Fujiyoshi
- Department of Cardiovascular Medicine, Kitasato University Kitasato Institute Hospital, Minato-ku, Japan; Department of Cardiovascular Medicine, Kitasato University School of Medicine, Sagamihara, Japan
| | - Taiki Tojo
- Department of Cardiovascular Medicine, Kitasato University Kitasato Institute Hospital, Minato-ku, Japan.
| | - Yoshiyasu Minami
- Department of Cardiovascular Medicine, Kitasato University School of Medicine, Sagamihara, Japan
| | - Kohki Ishida
- Department of Cardiovascular Medicine, Kitasato University Kitasato Institute Hospital, Minato-ku, Japan
| | - Miwa Ishida
- Department of Cardiovascular Medicine, Kitasato University Kitasato Institute Hospital, Minato-ku, Japan
| | - Ken-Ichiro Wakabayashi
- Department of Otorhinolaryngology, Kitasato University Kitasato Institute Hospital, Minato-ku, Japan
| | - Takayuki Inomata
- Department of Cardiovascular Medicine, Niigata University School of Medical and Dental Sciences, Niigata, Japan
| | - Junya Ako
- Department of Cardiovascular Medicine, Kitasato University School of Medicine, Sagamihara, Japan
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8
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Gunta SP, Jakulla RS, Ubaid A, Mohamed K, Bhat A, López-Candales A, Norgard N. Obstructive Sleep Apnea and Cardiovascular Diseases: Sad Realities and Untold Truths regarding Care of Patients in 2022. Cardiovasc Ther 2022; 2022:6006127. [PMID: 36017216 PMCID: PMC9388301 DOI: 10.1155/2022/6006127] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 07/13/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022] Open
Abstract
Obstructive sleep apnea (OSA) is one of the most common and serious sleep-related breathing disorders with a high prevalence among patients with cardiovascular (CV) diseases. Despite its widespread presence, OSA remains severely undiagnosed and untreated. CV mortality and morbidity are significantly increased in the presence of OSA as it is associated with an increased risk of resistant hypertension, heart failure, arrhythmias, and coronary artery disease. Evaluation and treatment of OSA should focus on recognizing patients at risk of developing OSA. The use of screening questionnaires should be routine, but a formal polysomnography sleep study is fundamental in establishing and classifying OSA. Recognition of OSA patients will allow for the institution of appropriate therapy that should alleviate OSA-related symptoms with the intent of decreasing adverse CV risk. In this review, we focus on the impact OSA has on CV disease and evaluate contemporary OSA treatments. Our goal is to heighten awareness among CV practitioners.
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Affiliation(s)
- Satya Preetham Gunta
- Department of Internal Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Roopesh Sai Jakulla
- Department of Internal Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Aamer Ubaid
- Department of Internal Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Kareem Mohamed
- Department of Internal Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Abid Bhat
- Department of Sleep Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Angel López-Candales
- Department of Cardiovascular Diseases, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Nicholas Norgard
- Department of Internal Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
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9
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Endocrine and Electrolyte Disorders. Perioper Med (Lond) 2022. [DOI: 10.1016/b978-0-323-56724-4.00040-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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10
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Pallangyo P, Mgopa LR, Mkojera Z, Komba M, Millinga J, Misidai N, Swai HJ, Mayala H, Bhalia S, Wibonela S, Janabi M. Obstructive sleep apnea and associated factors among hypertensive patients attending a tertiary cardiac center in Tanzania: a comparative cross-sectional study. SLEEP SCIENCE AND PRACTICE 2021. [DOI: 10.1186/s41606-021-00069-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Abstract
Background
There is mounting evidence for a reciprocal yet bidirectional association between sleep-disordered breathing and hypertension. Obstructive sleep apnea (OSA), a common cause of systemic hypertension is an independent risk factor for hypertension-related cardiovascular morbidity and mortality. In this comparative hospital-based cross-sectional study, we sought to explore the burden of obstructive sleep apnea and its associated risk factors among hypertensive patients attending Jakaya Kikwete Cardiac Institute.
Methodology
A total of 1974 individuals (i.e. 1289 hypertensive and 685 normotensives) were consecutively enrolled in this study. The Berlin questionnaire and Epworth Sleepiness Scale were utilized in the assessment of OSA and excessive daytime sleepiness (EDS) respectively. Logistic regression analyses were employed in the determination of associated factors for OSA.
Results
The mean age was 53.4 years and females constituted the large majority (60.4%) of participants. About three quarters (74.1%) of participants had excess body weight, 11.6% had diabetes, 8.0% had asthma and 18.6% had history of recurrent nasal congestion. Positive family history of snoring was reported by 43.1% of participants and 36.9% had a personal history of snoring. Persons with hypertension displayed a higher frequency (42.1%) of OSA compared to their normotensive counterparts (11.8%), p < 0.001. Multivariate logistic regression analyses revealed hypertension (OR 5.1, 95% CI 3.2-8.2, p < 0.001), diabetes mellitus (OR 2.2, 95% CI 1.3-3.5, p < 0.01), chronic nasal congestion (OR 1.6, 95% CI 1.1-2.5, p = 0.01), obesity (OR 2.4, 95% CI 1.8-3.3, p < 0.001), increased neck circumference (OR 2.7, 95% CI 1.2-6.4, p = 0.02), family history of snoring (OR 5.5, 95% CI 4.0-7.5, p < 0.001), and working > 8 h/24 h (OR 0.6, 95% CI 0.4-1.0, p = 0.03) to have an independent association for OSA. Furthermore, participants with hypertension displayed superior odds for OSA compared to their normotensive counterparts across all subgroup analyses.
Conclusion
OSA is considerably common among patients with hypertension in a tertiary health care setting in Tanzania. Positive family history of snoring was the strongest associated factor; however, excess body weight proved to be the strongest modifiable risk factor. In view of its pervasiveness, OSA should be an integral part of the medical evaluation in hypertensive individuals.
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11
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Sleep Disordered Breathing and Cardiovascular Disease: JACC State-of-the-Art Review. J Am Coll Cardiol 2021; 78:608-624. [PMID: 34353537 DOI: 10.1016/j.jacc.2021.05.048] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 05/11/2021] [Indexed: 12/23/2022]
Abstract
Sleep disordered breathing causes repetitive episodes of nocturnal hypoxemia, sympathetic nervous activation, and cortical arousal, often associated with excessive daytime sleepiness. Sleep disordered breathing is common in people with, or at risk of, cardiovascular (CV) disease including those who are obese or have hypertension, coronary disease, heart failure, or atrial fibrillation. Current therapy of obstructive sleep apnea includes weight loss (if obese), exercise, and positive airway pressure (PAP) therapy. This improves daytime sleepiness. Obstructive sleep apnea is associated with increased CV risk, but treatment with PAP in randomized trials has not been shown to improve CV outcome. Central sleep apnea (CSA) is not usually associated with daytime sleepiness in heart failure or atrial fibrillation and is a marker of increased CV risk, but PAP has been shown to be harmful in 1 randomized trial. The benefits of better phenotyping, targeting of higher-risk patients, and a more personalized approach to therapy are being explored in ongoing trials.
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12
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Yeghiazarians Y, Jneid H, Tietjens JR, Redline S, Brown DL, El-Sherif N, Mehra R, Bozkurt B, Ndumele CE, Somers VK. Obstructive Sleep Apnea and Cardiovascular Disease: A Scientific Statement From the American Heart Association. Circulation 2021; 144:e56-e67. [PMID: 34148375 DOI: 10.1161/cir.0000000000000988] [Citation(s) in RCA: 382] [Impact Index Per Article: 127.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Obstructive sleep apnea (OSA) is characterized by recurrent complete and partial upper airway obstructive events, resulting in intermittent hypoxemia, autonomic fluctuation, and sleep fragmentation. Approximately 34% and 17% of middle-aged men and women, respectively, meet the diagnostic criteria for OSA. Sleep disturbances are common and underdiagnosed among middle-aged and older adults, and the prevalence varies by race/ethnicity, sex, and obesity status. OSA prevalence is as high as 40% to 80% in patients with hypertension, heart failure, coronary artery disease, pulmonary hypertension, atrial fibrillation, and stroke. Despite its high prevalence in patients with heart disease and the vulnerability of cardiac patients to OSA-related stressors and adverse cardiovascular outcomes, OSA is often underrecognized and undertreated in cardiovascular practice. We recommend screening for OSA in patients with resistant/poorly controlled hypertension, pulmonary hypertension, and recurrent atrial fibrillation after either cardioversion or ablation. In patients with New York Heart Association class II to IV heart failure and suspicion of sleep-disordered breathing or excessive daytime sleepiness, a formal sleep assessment is reasonable. In patients with tachy-brady syndrome or ventricular tachycardia or survivors of sudden cardiac death in whom sleep apnea is suspected after a comprehensive sleep assessment, evaluation for sleep apnea should be considered. After stroke, clinical equipoise exists with respect to screening and treatment. Patients with nocturnally occurring angina, myocardial infarction, arrhythmias, or appropriate shocks from implanted cardioverter-defibrillators may be especially likely to have comorbid sleep apnea. All patients with OSA should be considered for treatment, including behavioral modifications and weight loss as indicated. Continuous positive airway pressure should be offered to patients with severe OSA, whereas oral appliances can be considered for those with mild to moderate OSA or for continuous positive airway pressure-intolerant patients. Follow-up sleep testing should be performed to assess the effectiveness of treatment.
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13
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Kubota K, Hoshide S, Kario K. Association of lower nighttime diastolic blood pressure and hypoxia with silent myocardial injury: The Japan Morning Surge-Home Blood Pressure study. J Clin Hypertens (Greenwich) 2020; 23:272-280. [PMID: 33314712 PMCID: PMC8029661 DOI: 10.1111/jch.14132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/24/2020] [Accepted: 11/26/2020] [Indexed: 11/30/2022]
Abstract
Whether marked nocturnal blood pressure (BP) reduction is associated with cardiovascular disease (CVD) is still controversial. In addition, no report has yet discussed the relationship between lower nocturnal BP and CVD, involving modification by nighttime hypoxia. We evaluated 840 patients who had one or more cardiovascular risk factors by measuring their high‐sensitivity cardiac troponin T (Hs‐cTnT), N‐terminal pro‐B‐type natriuretic peptide (NT‐pro BNP), and nighttime saturation levels and performing ambulatory BP monitoring. The lowest tertile in nighttime diastolic BP (DBP) (≤66 mmHg) had increased likelihood of the presence of ≥0.014 ng/ml of Hs‐cTnT compared with the second tertile (odds ratio [OR] 1.91, 95% confidence interval [CI] 1.01–3.63), and the lowest tertile of minimum blood oxygen saturation (≤81%) had increased likelihood of the presence of ≥0.014 ng/ml of Hs‐cTnT compared with the third tertile (OR 2.15, 95% CI 1.13–4.10). Additionally, the patients with both lowest tertile of nighttime DBP and minimum SpO2 showed increased likelihood of the presence of ≥0.014 ng/ml of Hs‐cTnT compared with those without this combination (OR 2.93, 95% CI 1.40–6.16). On the other hand, these associations were not found in the presence of ≥125 pg/ml of NT‐pro BNP. In the clinical population, each of lower nocturnal DBP and nighttime hypoxia was associated with asymptomatic myocardial injury, which was represented as higher Hs‐cTnT, and coexisting lower nocturnal DBP and nighttime hypoxia had an additive effect on the risk of myocardial injury.
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Affiliation(s)
- Kana Kubota
- Division of Cardiovascular Medicine, Department of Internal Medicine, Jichi Medical University, Tochigi, Japan
| | - Satoshi Hoshide
- Division of Cardiovascular Medicine, Department of Internal Medicine, Jichi Medical University, Tochigi, Japan
| | - Kazuomi Kario
- Division of Cardiovascular Medicine, Department of Internal Medicine, Jichi Medical University, Tochigi, Japan
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14
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Salama A, Abdullah A, Wahab A, Eigbire G, Hoefen R, Kouides R, Ritter N, Mieszczanska H, Alweis R. Is obstructive sleep apnea associated with ventricular tachycardia? A retrospective study from the National Inpatient Sample and a literature review on the pathogenesis of Obstructive Sleep Apnea. Clin Cardiol 2018; 41:1543-1547. [PMID: 30294854 DOI: 10.1002/clc.23092] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 09/25/2018] [Accepted: 10/02/2018] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is a known independent risk factor for a multiple cardiovascular morbidities and mortality. The association of OSA and ventricular arrhythmias is less well understood. The aim of this analysis is to study the relationship between OSA and ventricular tachyarrhythmias. HYPOTHESIS OSA is associated with increased ventricular arrhythmias. METHODS Data from the national inpatient sample (NIS) 2012 to 2014, were reviewed. Discharges associated with OSA were identified as the target population using the relevant ICD-9-CM codes. The primary outcome was a diagnosis of ventricular tachycardia (VT) in the OSA population. Secondary outcomes include the rate of ventricular fibrillation (VF) and cardiac arrest. Multivariable analyses were performed to examine the association of VT with multiple potential confounding clinical variables. RESULTS Of 18 013 878 health encounters, 943 978 subjects (5.24%) had a diagnosis of OSA. VT and VF were more prevalent among patients with OSA compared to those without a diagnosis of OSA (2.24% vs 1.16%; P < 0.001 and 0.3% vs 0.2%; P < 0.001, respectively). Odds ratio for cardiac arrest in OSA group was not statistically significant (1, 95% confidence interval 0.97-1.02, P < 0.76). In unadjusted analyses, all examined comorbidities were significantly more common in those with OSA, including diabetes mellitus, hypertension, chronic kidney disease, acute coronary syndrome, and heart failure. CONCLUSION OSA is associated with increased rates of ventricular tachyarrhythmia.
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Affiliation(s)
- Amr Salama
- Department of Medicine, Unity Hospital, Rochester, New York
| | | | - Abdul Wahab
- Department of Medicine, Unity Hospital, Rochester, New York
| | - George Eigbire
- Department of Medicine, Unity Hospital, Rochester, New York
| | - Ryan Hoefen
- Department of Cardiology, Rochester Regional Health, Rochester, New York
| | - Ruth Kouides
- Department of Medicine, Unity Hospital, Rochester, New York.,Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York
| | - Nathan Ritter
- Department of Medicine, Unity Hospital, Rochester, New York.,Department of Cardiology, Rochester Regional Health, Rochester, New York
| | - Hanna Mieszczanska
- Department of Cardiology, University of Rochester School of Medicine and Dentistry, New York
| | - Richard Alweis
- Department of Medicine, Unity Hospital, Rochester, New York.,Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York.,School of Health Sciences, Rochester Institute of Technology, Rochester, New York
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15
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Xie C, Zhu R, Tian Y, Wang K. Association of obstructive sleep apnoea with the risk of vascular outcomes and all-cause mortality: a meta-analysis. BMJ Open 2017; 7:e013983. [PMID: 29275335 PMCID: PMC5770910 DOI: 10.1136/bmjopen-2016-013983] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVE This study aimed to conduct a meta-analysis to explore and summarise the evidence regarding the association between obstructive sleep apnoea (OSA) and the subsequent risk of vascular outcomes and all-cause mortality. METHODS Electronic databases PubMed, Embase and the Cochrane Library were searched to identify studies conducted through May 2016. Prospective cohort studies that reported effect estimates with 95% CIs of major adverse cardiac events (MACEs), coronary heart disease (CHD), stroke, cardiac death, all-cause mortality and heart failure for different levels versus the lowest level of OSA were included. RESULTS A total of 16 cohort studies reporting data on 24 308 individuals were included. Of these, 11 studies reported healthy participants, and the remaining five studies reported participants with different diseases. Severe OSA was associated with an increased risk of MACEs (relative risk (RR): 2.04; 95% CI 1.56 to 2.66; P<0.001), CHD (RR: 1.63; 95% CI 1.18 to 2.26; P=0.003), stroke (RR: 2.15; 95% CI 1.42 to 3.24; P<0.001), cardiac death (RR: 2.96; 95% CI 1.45 to 6.01; P=0.003) and all-cause mortality (RR: 1.54; 95% CI 1.21 to 1.97; P<0.001). Moderate OSA was also significantly associated with increased risk of MACEs (RR: 1.16; 95% CI 1.01 to 1.33; P=0.034) and CHD (RR: 1.38; 95% CI 1.04 to 1.83; P=0.026). No significant association was found between mild OSA and the risk of vascular outcomes or all-cause mortality (P>0.05). Finally, no evidence of a factor-specific difference in the risk ratio for MACEs among participants with different levels of OSA compared with those with the lowest level of OSA was found. CONCLUSIONS Severe and moderate OSAs were associated with an increased risk of vascular outcomes and all-cause mortality. This relationship might differ between genders. Therefore, further large-scale prospective studies are needed to verify this difference.
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Affiliation(s)
- Chengjuan Xie
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ruolin Zhu
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yanghua Tian
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Collaborative Innovation Centre of Neuropsychiatric Disorders and Mental Health, Anhui Province, Hefei, China
| | - Kai Wang
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Collaborative Innovation Centre of Neuropsychiatric Disorders and Mental Health, Anhui Province, Hefei, China
- Department of Medical Psychology, Anhui Medical University, Hefei, China
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16
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Aziz EF, Selby A, Argulian E, Aziz J, Herzog E. Pathway for the Management of Sleep Apnea in the Cardiac Patient. Crit Pathw Cardiol 2017; 16:81-88. [PMID: 28742642 DOI: 10.1097/hpc.0000000000000118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Sleep-disordered breathing is a highly prevalent medical condition, which if undiagnosed leads to increased morbidity and mortality, particularly related to increased incidence of cardiovascular events. It is therefore imperative that we identify patient population at high risk for sleep apnea and refer them to the appropriate therapy as early as possible. Up-to-date there is no management guideline specifically geared towards cardiac patients. Thus, we propose a (SAP) Sleep Apnea Pathway to correctly identify and triage these patients to the appropriate therapy.
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Affiliation(s)
- Emad F Aziz
- From Mount Sinai St. Luke's and Mount Sinai West Hospitals, Icahn School of Medicine at Mount Sinai, New York, NY
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17
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Muraja-Murro A, Nieminen O, Julkunen P, Töyräs J, Laitinen T, Mervaala E. Peri-apneic hemodynamic reactions in obstructive sleep apnea. ACTA ACUST UNITED AC 2017; 24:197-203. [PMID: 28601366 DOI: 10.1016/j.pathophys.2017.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 05/19/2017] [Accepted: 05/22/2017] [Indexed: 11/30/2022]
Abstract
Obstructive sleep apnea (OSA) increases cardiovascular morbidity and mortality. Little is known on acute peri-apneic hemodynamic alterations due to apneas. We assessed these rapid changes and how duration of apnea might contribute to them. Eight patients with severe OSA were studied with polysomnography including continuous blood pressure monitoring. Peri-apneic hemodynamic alterations, heart rate, blood pressure, stroke volume, cardiac output and peripheral resistance, were assessed in short (<20s) and long (>27s) apneas. Systolic and diastolic blood pressure along with heart rate elevated significantly in both apneas. These changes occurred within first 10 beats immediately after apnea. In contrast to short apneas long apneas caused sudden increase of 0.7l in cardiac output. Acute and pronounced peri-apneic hemodynamic alterations were seen during both short and long apneas. These described rapid hemodynamic changes might escape autoregulatory mechanisms of several organs, thus making OSA patients vulnerable to acute cardiovascular events.
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Affiliation(s)
- Anu Muraja-Murro
- Department of Clinical Neurophysiology, Kuopio University Hospital, P.O. Box 100, FIN-70029 KYS, Kuopio, Finland; Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, FIN-70211 KYS, Kuopio, Finland.
| | - Outi Nieminen
- Department of Clinical Neurophysiology, Kuopio University Hospital, P.O. Box 100, FIN-70029 KYS, Kuopio, Finland; Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, FIN-70211 KYS, Kuopio, Finland
| | - Petro Julkunen
- Department of Clinical Neurophysiology, Kuopio University Hospital, P.O. Box 100, FIN-70029 KYS, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, P.O. Box 1627, FIN-70211 KYS, Kuopio, Finland
| | - Juha Töyräs
- Department of Clinical Neurophysiology, Kuopio University Hospital, P.O. Box 100, FIN-70029 KYS, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, P.O. Box 1627, FIN-70211 KYS, Kuopio, Finland
| | - Tomi Laitinen
- Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, P.O. Box 100, FIN-70029 KYS, Kuopio, Finland; Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, FIN-70211 KYS, Kuopio, Finland
| | - Esa Mervaala
- Department of Clinical Neurophysiology, Kuopio University Hospital, P.O. Box 100, FIN-70029 KYS, Kuopio, Finland; Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, FIN-70211 KYS, Kuopio, Finland
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18
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Lu W, Kang J, Hu K, Tang S, Zhou X, Xu L, Li Y, Yu S. The role of the Nox4-derived ROS-mediated RhoA/Rho kinase pathway in rat hypertension induced by chronic intermittent hypoxia. Sleep Breath 2017; 21:667-677. [PMID: 28078487 DOI: 10.1007/s11325-016-1449-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 11/23/2016] [Accepted: 12/22/2016] [Indexed: 01/20/2023]
Abstract
BACKGROUND Obstructive sleep apnea syndrome, which is a risk factor for resistant hypertension, is characterized by chronic intermittent hypoxia (CIH) and is associated with many cardiovascular diseases. CIH elicits systemic oxidative stress and sympathetic hyperactivity, which lead to hypertension. Rho kinases (ROCKs) are considered to be major effectors of the small GTPase RhoA and have been extensively studied in the cardiovascular field. Upregulation of the RhoA/ROCK signaling cascade is observed in various cardiovascular disorders, such as atherosclerosis, pulmonary hypertension, and stroke. However, the exact molecular function of RhoA/ROCK in CIH remains unclear and requires further study. OBJECTIVE This study aimed to investigate the role of the NADPH oxidase 4 (Nox4)-induced ROS/RhoA/ROCK pathway in CIH-induced hypertension in rats. METHODS Male Sprague-Dawley rats were exposed to CIH for 21 days (intermittent hypoxia of 21% O2 for 60 s and 5% O2 for 30 s, cyclically repeated for 8 h/day). We randomly assigned 56 male rats to groups of normoxia (RA) or vertically implemented CIH together with vehicle (CIH-V), GKT137831 (CIH-G), N-acetyl cysteine (NAC) (CIH-N), or Y27632 (CIH-Y). The rats in the RA group were continuously exposed to room air, whereas the rats in the other groups were exposed to CIH. Systolic blood pressure (BP) was monitored at the beginning of each week. After the experiment, renal sympathetic nerve activity (RSNA) was recorded, and serum and renal tissues were subjected to molecular biological and biochemical analyses. RESULTS Compared with the BP of RA rats, the BP of CIH-V rats started to increase 2 weeks after the beginning of the experiment, subsequently stabilizing at a high level at the end of the third week. CIH increased both RSNA and oxidative stress. This response was attenuated by treatment of the rats with GKT137831 or NAC. Inhibiting Nox4 activity or ROS production reduced RhoA/ROCK expression. Treatment with Y27632 reduced both BP and RSNA in rats exposed to CIH. CONCLUSION Hypertension can be induced by CIH in SD rats. The CIH-induced elevation of BP is at least partially mediated via the Nox4-induced ROS/RhoA/ROCK pathway.
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Affiliation(s)
- Wen Lu
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Jing Kang
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Ke Hu
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China.
| | - Si Tang
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Xiufang Zhou
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Lifang Xu
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Yuanyuan Li
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Shuhui Yu
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, 99 Zhangzhidong Road, Wuhan, 430060, China
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19
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Shivkumar K, Ajijola OA, Anand I, Armour JA, Chen PS, Esler M, De Ferrari GM, Fishbein MC, Goldberger JJ, Harper RM, Joyner MJ, Khalsa SS, Kumar R, Lane R, Mahajan A, Po S, Schwartz PJ, Somers VK, Valderrabano M, Vaseghi M, Zipes DP. Clinical neurocardiology defining the value of neuroscience-based cardiovascular therapeutics. J Physiol 2016; 594:3911-54. [PMID: 27114333 PMCID: PMC4945719 DOI: 10.1113/jp271870] [Citation(s) in RCA: 200] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Accepted: 04/08/2016] [Indexed: 12/13/2022] Open
Abstract
The autonomic nervous system regulates all aspects of normal cardiac function, and is recognized to play a critical role in the pathophysiology of many cardiovascular diseases. As such, the value of neuroscience-based cardiovascular therapeutics is increasingly evident. This White Paper reviews the current state of understanding of human cardiac neuroanatomy, neurophysiology, pathophysiology in specific disease conditions, autonomic testing, risk stratification, and neuromodulatory strategies to mitigate the progression of cardiovascular diseases.
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Affiliation(s)
- Kalyanam Shivkumar
- UCLA Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, Los Angeles, CA, USA
| | - Olujimi A Ajijola
- UCLA Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, Los Angeles, CA, USA
| | - Inder Anand
- Department of Cardiology, University of Minnesota Medical School, Minneapolis, MN, USA
| | - J Andrew Armour
- UCLA Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, Los Angeles, CA, USA
| | - Peng-Sheng Chen
- Krannert Institute of Cardiology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Murray Esler
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | | | - Michael C Fishbein
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Jeffrey J Goldberger
- Division of Cardiology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Ronald M Harper
- Department of Neurobiology and the Brain Research Institute, University of California, Los Angeles, CA, USA
| | - Michael J Joyner
- Division of Cardiovascular Diseases, Mayo Clinic and Mayo Foundation, Rochester, MN, USA
| | | | - Rajesh Kumar
- Departments of Anesthesiology and Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Richard Lane
- Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Aman Mahajan
- Department of Anesthesia, UCLA, Los Angeles, CA, USA
| | - Sunny Po
- Heart Rhythm Institute, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- University of Tulsa Oxley College of Health Sciences, Tulsa, OK, USA
| | - Peter J Schwartz
- Center for Cardiac Arrhythmias of Genetic Origin, IRCCS Instituto Auxologico Italiano, c/o Centro Diagnostico e di Ricerrca San Carlo, Milan, Italy
| | - Virend K Somers
- Division of Cardiovascular Diseases, Mayo Clinic and Mayo Foundation, Rochester, MN, USA
| | - Miguel Valderrabano
- Methodist DeBakey Heart and Vascular Center and Methodist Hospital Research Institute, Houston Methodist Hospital, Houston, TX, USA
| | - Marmar Vaseghi
- UCLA Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, Los Angeles, CA, USA
| | - Douglas P Zipes
- Indiana University School of Medicine, Indianapolis, IN, USA
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Wali SO, Alkhouli A, Howladar M, Ahmad I, Alshohaib S, Al-Ghamdi S, Krayem A. Risk of obstructive sleep apnea among Saudis with chronic renal failure on hemodialysis. Ann Thorac Med 2015; 10:263-8. [PMID: 26664564 PMCID: PMC4652292 DOI: 10.4103/1817-1737.164300] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
AIM: The prevalence of obstructive sleep apnea (OSA) in end-stage renal disease (ESRD) patients was reported to be 10-fold that in the general population. OSA can worsen the clinical symptoms and cardiovascular complications of ESRD. We aimed to investigate the prevalence of symptoms and risk of OSA among Saudi patients with ESRD. SETTINGS AND DESIGN: This multi-center, cross-sectional study was conducted in Jeddah, Saudi Arabia, between June 2012 and September 2013. METHODS: The prevalence of OSA was assessed using the Berlin questionnaire. The presence of daytime sleepiness was evaluated using the Epworth sleepiness scale. Data were also collected on the medical history, clinical, and laboratory findings of participants. RESULTS: In all, 355 patients (61% male) were enrolled (mean age: 45.5 ± 15.4 years). The overall prevalence of high-risk of OSA was 44.2% (males, 47.3%; females, 44.8%; P = 0.65). The prevalence of excessive daytime sleepiness (EDS) was 74%. Controlling for age, gender and body mass index, multivariate analysis revealed that hypertension and hepatitis C infection were the only comorbidities significantly associated with OSA (odds ratio [OR]: 3.827 and 0.559; confidence interval [CI]: 2.120-6.906 and 0.324-0.964; P < 0.0001 and 0.036, respectively). OSA was also strongly associated with EDS (OR: 3.054; CI: 1.676-5.565; P < 0.0001). CONCLUSIONS: In Saudi Arabia, the risk of OSA is more common in ESRD patients than in the general population. OSA is strongly associated with EDS. Interestingly, a significant negative correlation between OSA and hepatitis C infection was noted, which warrants further investigation.
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Affiliation(s)
- Siraj Omar Wali
- Sleep Medicine and Research Center, Department of Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Abeer Alkhouli
- Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohannad Howladar
- Sleep Medicine and Research Center, Department of Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Ibrahim Ahmad
- Sleep Medicine and Research Center, Department of Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Saad Alshohaib
- Renal Unit, Department of Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Saeed Al-Ghamdi
- Renal Unit, Department of Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Ayman Krayem
- Sleep Disorders Center, Department of Medicine, King Abdulaziz Medical City, Jeddah, Saudi Arabia
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Mansukhani MP, Wang S, Somers VK. Sleep, death, and the heart. Am J Physiol Heart Circ Physiol 2015; 309:H739-49. [PMID: 26188022 DOI: 10.1152/ajpheart.00285.2015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 07/13/2015] [Indexed: 12/17/2022]
Abstract
Obstructive and central sleep apnea have been associated with increased risk of adverse cardiovascular events and mortality. Sympathetic dysregulation occurring as a result of the respiratory disturbance is thought to play a role in this increased risk. Sleep apnea increases the risk of arrhythmias, myocardial ischemia/infarction, stroke, and heart failure, all of which may increase mortality risk. A higher incidence of nocturnal arrhythmias, cardiac ischemia, and sudden death has been noted in subjects with sleep-disordered breathing (SDB). In this review, the association between SDB and each of these conditions is discussed, as well as the potential mechanisms underlying these risks and the effects of treatment of SDB. Particular emphasis is placed on the relationship between SDB and nocturnal atrial and ventricular arrhythmias, myocardial ischemia/infarction and sudden death.
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Affiliation(s)
- Meghna P Mansukhani
- Sleep Medicine, Affiliated Community Medical Centers, Willmar, Minnesota; and
| | - Shihan Wang
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota
| | - Virend K Somers
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota
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Valo M, Wons A, Moeller A, Teupe C. Markers of Myocardial Ischemia in Patients With Coronary Artery Disease and Obstructive Sleep Apnea: Effect of Continuous Positive Airway Pressure Therapy. Clin Cardiol 2015; 38:462-8. [PMID: 26175232 DOI: 10.1002/clc.22419] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 03/24/2015] [Accepted: 03/28/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is associated with an increased risk of cardiovascular complications. OSA and coronary artery disease (CAD) share the same risk factors and coexist in many patients. In previous studies, repeated nocturnal cardiac ischemic events in OSA patients with CAD have been reported. HYPOTHESIS We hypothesized that OSA may precipitate myocardial ischemia, evidenced by ST-segment depression and elevated N-terminal brain natriuretic peptide (NT-proBNP) and high-sensitivity troponin T (hs-TropT) levels in patients with severe OSA and concomitant CAD. We also aimed to evaluate if the effects could be reversed by continuous positive airway pressure (CPAP) therapy. METHODS Twenty-one patients with severe OSA (apnea-hypopnea index >15/h, nadir oxygen desaturation ≤ 80%), and coexisting CAD underwent in-hospital polysomnography at baseline and under CPAP. Blood samples for hs-TropT and NT-proBNP measurements were drawn prior and immediately after sleep. ST-segment depression was measured at the time of maximum oxygen desaturation during sleep. RESULTS CPAP significantly decreased elevated NT-proBNP levels from 475 ± 654 pg/mL before sleep to 353 ± 573 pg/mL after sleep and attenuated ST-segment depression during sleep. hs-TropT was not elevated and did not differ after nocturnal oxygen desaturation at baseline and after CPAP. CONCLUSIONS CPAP significantly reduced NT-proBNP in patients suffering from severe OSA and coexisting CAD. Repeated nocturnal myocardial ischemia did not cause myocyte necrosis evidenced by elevated hs-TropT or ST-segment depression.
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Affiliation(s)
- Misa Valo
- Department of Medicine, Center of Sleep Medicine, Sachsenhausen Hospital, Frankfurt, Germany
| | - Annette Wons
- Department of Medicine, Center of Sleep Medicine, Sachsenhausen Hospital, Frankfurt, Germany
| | - Albert Moeller
- Department of Medicine, Center of Sleep Medicine, Sachsenhausen Hospital, Frankfurt, Germany
| | - Claudius Teupe
- Department of Medicine, Center of Sleep Medicine, Sachsenhausen Hospital, Frankfurt, Germany
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Markers of Myocardial Ischemia in Patients with Obstructive Sleep Apnea and Coronary Artery Disease. Pulm Med 2015; 2015:621450. [PMID: 26090222 PMCID: PMC4451285 DOI: 10.1155/2015/621450] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 05/01/2015] [Accepted: 05/05/2015] [Indexed: 12/24/2022] Open
Abstract
Obstructive sleep apnea (OSA) is characterized by intermittent hypoxia during sleep. We tested the hypothesis that nocturnal myocardial ischemia is detectable by ST segment depression and elevation of high sensitive troponin T (hsTrop T) and B-type natriuretic peptide (NT-proBNP) in patients with OSA and coexisting coronary artery disease (CAD). Twenty-one patients with OSA and CAD and 20 patients with OSA alone underwent in-hospital polysomnography. Blood samples for hsTrop T and NT-proBNP measurements were drawn before and after sleep. ST segment depression was measured at the time of maximum oxygen desaturation during sleep. The apnea-hypopnea-index (AHI), oxygen saturation nadir, and time in bed with oxygen saturation of ≤80% were similar in both groups. Levels of hsTrop T and NT-proBNP did not differ significantly before and after sleep but NT-proBNP levels were significantly higher in patients suffering from OSA and CAD compared to patients with OSA alone. No significant ST depression was found at the time of oxygen saturation nadir in either group. Despite the fact that patients with untreated OSA and coexisting CAD experienced severe nocturnal hypoxemia, we were unable to detect myocardial ischemia or myocyte necrosis based on significant ST segment depression or elevation of hsTrop T and NT-proBNP, respectively.
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Cepeda-Valery B, Acharjee S, Romero-Corral A, Pressman GS, Gami AS. Obstructive sleep apnea and acute coronary syndromes: etiology, risk, and management. Curr Cardiol Rep 2015; 16:535. [PMID: 25135347 DOI: 10.1007/s11886-014-0535-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Obstructive sleep apnea (OSA) is characterized by upper airway collapse and airflow reduction despite respiratory effort, resulting in intermittent hypoxia and arousals, leading to a cascade of hemodynamic, autonomic, inflammatory, and metabolic effects, responsible for its adverse cardiovascular effect. OSA is an independent risk factor for cardiovascular disease, and its prevalence in patients presenting with acute coronary syndromes is up to 69%. Furthermore, OSA has been associated with increased risk of adverse events after an acute coronary syndrome. Continuous positive airway pressure is considered the mainstay of treatment of OSA and has been shown to reduce the risk of cardiovascular events. However, the proper time to start treatment in the acute setting is unknown. A prospective randomized clinical trial is currently underway to answer this question.
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Affiliation(s)
- B Cepeda-Valery
- The Institute for Heart and Vascular Health and Cardiovascular Diseases, Einstein Medical Center, 5501 Old York Road, Philadelphia, PA, 19144, USA,
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Intrarenal hemodynamic and oxidative stress in patients with obstructive sleep apnea syndrome. Sleep Breath 2015; 19:1205-12. [PMID: 25827500 DOI: 10.1007/s11325-015-1140-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 12/01/2014] [Accepted: 02/03/2015] [Indexed: 01/01/2023]
Abstract
BACKGROUND Oxygen desaturation and reoxygenation, related to intermittent hypoxia cycles due to upper airway obstruction, are major pathophysiologic features of obstructive sleep apnea syndrome (OSAS) and are thought to be responsible for an increased risk of cardiovascular diseases. Continuous positive airway pressure (CPAP) is therefore considered the gold standard in the management of OSAS. Further data demonstrated a high prevalence of OSAS in patients with altered renal function despite the underlying pathophysiological mechanisms that have not been clarified. This study aims to provide evidence on the reported high prevalence of endothelial dysfunction and alterations of the intrarenal hemodynamic in patients affected by OSAS. Furthermore, we evaluated the effect of a CPAP therapy on these endpoints. METHODS Twenty patients were enrolled in a prospective study and underwent ultrasound examination to assess endothelial dysfunction, by collecting brachial flow-mediated dilation (FMD) and intrarenal artery stiffness, pre- and post a 30-day treatment with CPAP. RESULTS Endothelial dysfunction and intrarenal artery stiffness significantly improved in all patients after a month of CPAP. In particular, we observed a significant reduction in the renal resistance index (RI) (p < 0.001) and systolic/diastolic ratio (S/D) ratio (p < 0.001) and a significant increase of FMD (p < 0.001). The apnea-hypopnea index (AHI) showed a negative correlation with Δ FMD (p < 0.05, r = -0.46). Conversely, a positive correlation exists between Δ RI and the oxygen desaturation index (ODI) (specificare la sigla) (p < 0.05, r = 0.46). CONCLUSIONS Our study firstly showed a significant effect of CPAP on renal perfusion and endothelial function in OSAS patients without concomitant cardiovascular comorbidities.
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Dewan NA, Nieto FJ, Somers VK. Intermittent hypoxemia and OSA: implications for comorbidities. Chest 2015; 147:266-274. [PMID: 25560865 DOI: 10.1378/chest.14-0500] [Citation(s) in RCA: 394] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OSA is a common chronic disorder that is associated with significant morbidity and mortality including cardiovascular, metabolic, and neurocognitive disease and increased cancer-related deaths. OSA is characterized by recurrent episodes of apneas and hypopneas associated with repetitive episodes of intermittent hypoxemia, intrathoracic pressure changes, and arousals. Intermittent hypoxemia (IH) is now being recognized as a potential major factor contributing to the pathogenesis of OSA-related comorbidities. OSA-related high-frequency IH is characterized by cycles of hypoxemia with reoxygenation that is distinctly different than sustained low-frequency hypoxia and contributes to ischemia-reperfusion injury. Data from both animal and human studies support mechanistic links between IH and its adverse impact at the tissue level. IH promotes oxidative stress by increased production of reactive oxygen species and angiogenesis, increased sympathetic activation with BP elevation, and systemic and vascular inflammation with endothelial dysfunction that contributes to diverse multiorgan chronic morbidity and mortality affecting cardiovascular disease, metabolic dysfunction, cognitive decline, and progression of cancer. Data from observational studies in large population groups also support the role for hypoxia in the pathogenesis of OSA comorbidity. Treatment with CPAP to reverse OSA-related symptoms and comorbidities has been shown to provide variable benefit in some but not all patient groups. Early treatment with CPAP makes intuitive sense to promote maximal functional recovery and minimize residual injury. More studies are needed to determine the interacting effects of IH and obesity, differential effects of both short-term and long-term hypoxemia, and the effect of CPAP treatment.
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Affiliation(s)
- Naresh A Dewan
- Division of Pulmonary, Critical Care, and Sleep Medicine, Mayo Clinic, Mayo Foundation for Medical Education and Research, Rochester, MN..
| | - F Javier Nieto
- Department of Medicine, Creighton University and Pulmonary Section, Omaha VA Medical Center, US Department of Veterans Affairs, Omaha, NE; Population Health Sciences, School of Medicine and Public Health, Mayo Clinic, Mayo Foundation for Medical Education and Research, Rochester, MN; Population Health Sciences, School of Medicine and Public Health, Mayo Clinic, Mayo Foundation for Medical Education and Research, Rochester, MN
| | - Virend K Somers
- Division of Pulmonary, Critical Care, and Sleep Medicine, Mayo Clinic, Mayo Foundation for Medical Education and Research, Rochester, MN.; University of Wisconsin-Madison, Board of Regents of the University of Wisconsin System, Madison, WI; and Sleep and Cardiovascular Clinical Research Unit, College of Medicine, Mayo Clinic, Mayo Foundation for Medical Education and Research, Rochester, MN; Sleep and Cardiovascular Clinical Research Unit, College of Medicine, Mayo Clinic, Mayo Foundation for Medical Education and Research, Rochester, MN
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Síndrome de apnea/hipopnea obstructiva del sueño y su asociación con las enfermedades cardiovasculares. REVISTA COLOMBIANA DE CARDIOLOGÍA 2015. [DOI: 10.1016/j.rccar.2014.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Mansukhani MP, Wang S, Somers VK. Chemoreflex physiology and implications for sleep apnoea: insights from studies in humans. Exp Physiol 2014; 100:130-5. [PMID: 25398715 DOI: 10.1113/expphysiol.2014.082826] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 11/07/2014] [Indexed: 12/31/2022]
Abstract
NEW FINDINGS What is the topic of this review? This review summarizes chemoreflex physiology in health and disease, with specific focus on chemoreflex-mediated pathophysiology in obstructive and central sleep apnoea. What advances does it highlight? Chemoreflex mechanisms are thought to contribute significantly to the pathophysiology and adverse outcomes seen in sleep apnoea. Clinical implications of altered chemoreflex function in sleep apnoea from recent studies in humans, including cardiac arrhythmias, coronary artery disease, systolic/diastolic heart failure and sudden cardiac death are highlighted. Activation of the chemoreflex in response to hypoxaemia results in an increase in sympathetic neural outflow. This process is predominantly mediated by the peripheral chemoreceptors in the carotid bodies and is potentiated by the absence of the sympatho-inhibitory influence of ventilation during apnoea, as is seen in patients with sleep apnoea. In these patients, repetitive nocturnal hypoxaemia and apnoea elicit sympathetic activation, which may persist into wakefulness and is thought to contribute to the development of systemic hypertension and cardiac and vascular dysfunction. Chemoreflex activation could possibly lead to adverse cardiovascular outcomes, such as nocturnal myocardial infarction, systolic and/or diastolic heart failure, cardiac arrhythmias and sudden death in patients with sleep apnoea. This review summarizes chemoreflex physiology in health and disease, with specific focus on chemoreflex-mediated pathophysiology in obstructive and central sleep apnoea. Measurement of the chemoreflex response may serve as a potential avenue for individualized screening for cardiovascular disease. Whether modulation of this response in sleep apnoea may aid in the prevention and treatment of adverse cardiovascular consequences will require further study.
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Sleep apnea prevalence in acute myocardial infarction--the Sleep Apnea in Post-acute Myocardial Infarction Patients (SAPAMI) Study. Int J Cardiol 2014; 176:13-9. [PMID: 25064202 DOI: 10.1016/j.ijcard.2014.06.020] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 05/29/2014] [Accepted: 06/20/2014] [Indexed: 11/21/2022]
Abstract
BACKGROUND While sleep apnea (SA) might be a modifiable cardiovascular risk factor, recent data suggest that SA is severely underdiagnosed in patients after acute myocardial infarction (MI). There is limited evidence about day-night variation of onset of MI on dependence of having SA. We therefore investigated the prevalence of SA and examined the day-night variation of onset of MI in acute MI patients. METHODS We prospectively studied 782 consecutive patients admitted to the hospital with the diagnosis of acute MI. All subjects underwent sleep evaluations using a portable device after at least 48 h post-admission. Using the apnea-hypopnea index (AHI), groups were defined as patients without SA (<5 events/h), mild SA (5-15 events/h), moderate SA (15-30 events/h), and severe SA (≥ 30 events/h). RESULTS Almost all patients (98%) underwent urgent coronary angiography and 91% of patients underwent primary PCI. Using a threshold of AHI ≥ 5 events/h, SA was present in 65.7% of patients after acute MI. Mild SA was present in 32.6%, moderate in 20.4% and severe in 12.7%. The day-night variation in the onset of MI in all groups of SA patients was similar to that observed in non-SA patients. From 6 AM to 12 PM, the frequency of MI was higher in both SA and non-SA patients, as compared to the interval from 12 AM to 6 AM (all p<0.05). CONCLUSION There is a high prevalence of SA in patients presenting with acute MI. Peak time of MI onset in SA patients was between 6 AM and noon, similar to that in the general population. Whether diagnosis and treatment of SA after MI will significantly improve outcomes in these patients remains to be determined.
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Wang X, Ouyang Y, Wang Z, Zhao G, Liu L, Bi Y. Obstructive sleep apnea and risk of cardiovascular disease and all-cause mortality: a meta-analysis of prospective cohort studies. Int J Cardiol 2013; 169:207-14. [PMID: 24161531 DOI: 10.1016/j.ijcard.2013.08.088] [Citation(s) in RCA: 206] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2013] [Revised: 08/13/2013] [Accepted: 08/29/2013] [Indexed: 10/26/2022]
Abstract
BACKGROUND The association between obstructive sleep apnea (OSA) and the incidence of cardiovascular disease (CVD) has been examined in many studies. However, the findings are not entirely consistent across studies. Our goal was to evaluate the association between OSA and risk of CVD and all-cause mortality by performing a meta-analysis of prospective cohort studies. METHODS We used generalized least squares regression models to estimate the dose-response relationship. Heterogeneity, subgroup, and sensitivity analyses and publication bias were performed. RESULTS Twelve prospective cohort studies involving 25,760 participants were included in the meta-analysis. The overall combined relative risks for individuals with severe OSA compared with individuals with an AHI of <5 were 1.79 (95% confidence interval [CI]: 1.47 to 2.18) for CVD, 1.21 (95% CI: 0.75 to 1.96) for incident fatal and non-fatal coronary heart disease, 2.15 (95% CI: 1.42 to 3.24) for incident fatal and non-fatal stroke, and 1.92 (95% CI: 1.38 to 2.69) for deaths from all-causes. A positive association with CVD was observed for moderate OSA but not for mild OSA. The results of the dose-response relationship indicated that per 10-unit increase in the apnea-hypopnea index was associated with a 17% greater risk of CVD in the general population. CONCLUSIONS This meta-analysis of prospective cohort studies suggests that severe OSA significantly increases CVD risk, stroke, and all-cause mortality. A positive association with CVD was observed for moderate OSA but not for mild OSA.
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Affiliation(s)
- Xia Wang
- Department of Maternal and Child Health Care, School of Public Health, Shandong University, Jinan, China; Department of Nutrition and Food Hygiene and Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Esquinas C, Sánchez-de-la Torre M, Aldomá A, Florés M, Martínez M, Barceló A, Barbé F. Rationale and methodology of the impact of continuous positive airway pressure on patients with ACS and nonsleepy OSA: the ISAACC Trial. Clin Cardiol 2013; 36:495-501. [PMID: 23843147 DOI: 10.1002/clc.22166] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 05/24/2013] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is common in acute coronary syndrome (ACS) and a possible cause of increased morbidity and mortality. OBJECTIVES The main objective is to determine in patients with ACS and OSA if CPAP treatment reduces the incidence of cardiovascular events (cardiovascular death, nonfatal myocardial infarction, nonfatal stroke, hospitalization for heart failure, and hospitalization for unstable angina or transient ischemic attack). The secondary objectives are to determine the prevalence of nonsleepy OSA in patients with ACS; assess the effect of CPAP on the incidence of newly diagnosed diabetes mellitus, symptoms, and quality of life; identify biomarkers of risk involved in cardiovascular complications in these patients; and conduct a cost-effectiveness analysis of diagnosis and treatment. POPULATION AND METHODOLOGY Multicenter, prospective, randomized and controlled study. Patients are admitted to the coronary care unit with diagnosis of ACS and without daytime sleepiness (Epworth Sleepiness Scale ≤10) at 15 teaching hospitals in Spain. All patients undergo a sleep study by cardiorespiratory polygraphy. Patients with an apnea-hypopnea index ≥15/hour will be randomized to treatment with CPAP (group 1, 632 patients) or conservative treatment (group 2, 632 patients). Patients with an apnea-hypopnea index <15/hour (group 3, 600 patients) will be followed as a reference group. Patients will be monitored at baseline (T0), 1 month (T1), 3 months (T2), 6 months (T3), 12 months (T4), and every 6 months thereafter (where applicable) during the follow-up period. CONCLUSIONS The ISAACC trial will contribute to evaluating the effect of CPAP treatment on cardiovascular events in patients with ACS and OSA.
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Affiliation(s)
- Cristina Esquinas
- Respiratory Department, Hospital Universitari Arnau de Vilanova-Santa Maria, Lleida, Spain; Respiratory Medicine Research Group, IRBLleida, Lleida, Spain
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Soliz J. Erythropoietin and respiratory control at adulthood and during early postnatal life. Respir Physiol Neurobiol 2013; 185:87-93. [DOI: 10.1016/j.resp.2012.07.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 07/19/2012] [Accepted: 07/20/2012] [Indexed: 01/10/2023]
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Hein T, Loo G, Lee CH. Obstructive sleep apnea, coronary artery disease and continuous positive airway pressure therapy. Interv Cardiol 2012. [DOI: 10.2217/ica.12.44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Schiza SE, Simantirakis E, Bouloukaki I, Mermigkis C, Kallergis EM, Chrysostomakis S, Arfanakis D, Tzanakis N, Vardas P, Siafakas NM. Sleep disordered breathing in patients with acute coronary syndromes. J Clin Sleep Med 2012; 8:21-6. [PMID: 22334805 PMCID: PMC3266342 DOI: 10.5664/jcsm.1652] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Although the prevalence of obstructive sleep apnea/hypopnea syndrome (OSAHS) is high in patients with acute coronary syndromes (ACS), there is little knowledge about the persistence of OSAHS in ACS patients after the acute event. We aimed to assess the prevalence and time course of OSAHS in patients with ACS during and after the acute cardiac event. METHODS Fifty-two patients with first-ever ACS, underwent attended overnight polysomnography (PSG) in our sleep center on the third day after the acute event. In patients with an apnea hypopnea index (AHI) > 10/h, we performed a follow up PSG 1 and 6 months later. RESULTS Twenty-eight patients (54%) had an AHI > 10/h. There was a significant decrease in AHI 1 month after the acute event (13.9 vs. 19.7, p = 0.001), confirming the diagnosis of OSAHS in 22 of 28 patients (79%). At 6-month follow-up, the AHI had decreased further (7.5 vs. 19.7, p < 0.05), and at that time only 6 of the 28 patients (21%) were diagnosed as having OSAHS. Twelve of the 16 current smokers stopped smoking after the acute event. CONCLUSIONS We have demonstrated a high prevalence of OSAHS in ACS patients, which did not persist 6 months later, indicating that, to some degree, OSAHS may be transient and related with the acute phase of the underlying disease or the reduction in the deleterious smoking habit.
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Affiliation(s)
- Sophia E Schiza
- Sleep Disorders Unit, Department of Thoracic Medicine, Medical School, University of Crete, Greece.
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Areias V, Romero J, Cunha K, Faria R, Mimoso J, Gomes V, Brito U. Sleep apnea-hypopnea syndrome and acute coronary syndrome - an association not to forget. REVISTA PORTUGUESA DE PNEUMOLOGIA 2011; 18:22-8. [PMID: 21940139 DOI: 10.1016/j.rppneu.2011.07.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2011] [Accepted: 07/07/2011] [Indexed: 11/16/2022] Open
Abstract
AIM To evaluate the prevalence of Sleep Apnea-Hypopnea Syndrome (SAHS) in patients who were admitted with Acute Coronary Syndrome (ACS) to the Coronary Care Unit (CCU) and the clinical predictors of SAHS in patients with ACS and to compare the results of the simple sleep test (SST) with polysomnography (PSG). METHODS This was a prospective study that included patients who were admitted to the CCU with ACS, which was confirmed by coronary angiography. Demographic and anthropometric data, cardiovascular risk factors and measures on the Epworth Sleepiness Scale were collected. The SST was conducted with the ApneaLink(TM) device during hospitalization or after discharge. Patients with an apnea-hypopnea index (AHI) ≥ 10/h were invited to participate in PSG. RESULTS Ninety-one patients with ACS were consecutively included over 4 months. Of the fifty-eight patients who completed the study 43 (74.1%) were male. The mean age was 61.7±12.2 years, and the mean body mass index was 27.4±3.5 kg/m(2). The median time for SST performance was 17.5 days. This study was compatible with SAHS in 25 cases (43.1%). Patients who had an AHI ≥ 10/h in the SST were submitted to PSG and SST simultaneously. The median interval between the ACS and the execution of PSG was 30 days. PSG confirmed that all of the cases that were detected by SST were positive. CONCLUSION In our study, we found a high prevalence of SAHS in patients who were admitted to the CCU with ACS (43.1%). These results support the need for SAHS screening in patients who are hospitalized with ACS. The SST may have a role in the screening of SAHS in this population.
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Affiliation(s)
- V Areias
- Serviço de Pneumologia, Hospital de Faro, EPE, Faro, Portugal.
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Takama N, Matsuo Y, Arai H, Yamagishi T, Eguma H, Kurabayashi M. Integrated area of desaturation index in patients with myocardial infarction. Int J Cardiol 2010; 143:425-8. [DOI: 10.1016/j.ijcard.2008.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2008] [Accepted: 12/03/2008] [Indexed: 10/21/2022]
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Ramar K, Guilleminault C. Cardiovascular complications of obstructive sleep apnea. Expert Rev Respir Med 2010; 2:63-74. [PMID: 20477223 DOI: 10.1586/17476348.2.1.63] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Obstructive sleep apnea (OSA) is a common disorder with an increasing public health burden. It is characterized by repeated upper airway narrowing and closure, leading to apneas, hypopneas and increased respiratory effort-related arousals. Continuous positive airway pressure is an effective modality of treatment for OSA. Apart from being responsible for daytime sleepiness and cognitive impairment, OSA has been implicated in various systemic diseases, particularly of the cardiovascular system. This article reviews some of the extensive literature implicating OSA in the development of cardiovascular diseases and describes the intermediary pathophysiologic mechanisms involved. Repetitive nocturnal oxygen desaturation and reoxygenation and increased intrathoracic pressure changes related to OSA result in the intermediary pathophysiologic mechanisms that affect the neural, humoral, thrombotic, inflammatory and metabolic pathways responsible for the development of cardiovascular disorders. This review also examines evidence that suggests that OSA may be a specific cause of certain cardiovascular disorders.
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Affiliation(s)
- Kannan Ramar
- Mayo Clinic, Center for Sleep Medicine, Division of Pulmonary, Sleep and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
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Kishimoto A, Tochikubo O, Ohshige K. Relation between Nocturnal Arterial Oxygen Desaturation and Morning Blood Pressure. Clin Exp Hypertens 2009; 29:51-60. [PMID: 17190731 DOI: 10.1080/10641960601096786] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Arterial oxygen saturation (SpO2) in volunteers had been previously investigated, and the possibility that a decrease in SpO2 leads to an increase in blood pressure (BP) in airline passengers experiencing oxygen desaturation at high altitudes was reported. It was also shown that mean nocturnal SpO2 was lower in subjects with high-normal BP or mild hypertension than in those with normal BP. The present study investigated nocturnal SpO2, evening BP, and morning BP of volunteers during daily life and examined the relation between nocturnal SpO2 and change in BP (morning BP minus evening BP) to determine the influence of SpO2 on BP. METHODS Sixty-two volunteers (31 men and 31 women) aged 40-87 years (mean: 55.9 +/- 12 [SD] years) underwent measurement of SpO2 and heart rate with a ring-shaped pulse oximeter during sleep at home. Evening BP and morning BP were measured by automatic BP recorder. Subjects that were classified as having high SpO2 (mean nocturnal SpO2 >or= 95%; n = 23, 10 men and 13 women; mean age: 53.2 +/- 12 years) or low SpO2 (mean nocturnal SpO2 < 94%; n = 21, 12 men and 9 women; mean age: 58.7 +/- 13 years) were compared. The relation between mean nocturnal SpO2 and morning BP and the relation between mean nocturnal SpO2 and change in BP were investigated. RESULTS There was a significant negative correlation between mean nocturnal SpO2 and morning systolic BP (SBP; r = -0.50, p < 0.01) and between mean nocturnal SpO2 and morning diastolic BP (DBP; r = -0.37, p < 0.01). A significant negative correlation between mean nocturnal SpO2 and change in SBP was observed (r = -0.57, p < 0.01). Morning BP was significantly higher in the low nocturnal SpO2 group than in the high nocturnal SpO2 group (p < 0.001). CONCLUSION The increase in morning BP from evening BP was significantly greater in subjects with a low nocturnal SpO2. The decrease in SpO2 during sleep may affect morning BP rise.
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Affiliation(s)
- Aya Kishimoto
- Department of Public Health, Yokohama City University School of Medicine, Yokohama, Japan
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KISHIMOTO AYA, TOCHIKUBO OSAMU, OHSHIGE KENJI, YANAGA AKIHIKO. Ring-Shaped Pulse Oximeter and Its Application: Measurement of SpO2and Blood Pressure During Sleep and During Flight. Clin Exp Hypertens 2009. [DOI: 10.1081/ceh-48925] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Butt M, Dwivedi G, Khair O, Lip GYH. Obstructive sleep apnea and cardiovascular disease. Int J Cardiol 2009; 139:7-16. [PMID: 19505734 DOI: 10.1016/j.ijcard.2009.05.021] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2009] [Revised: 05/07/2009] [Accepted: 05/11/2009] [Indexed: 01/25/2023]
Abstract
Obstructive sleep apnea (OSA) is a common yet an under-diagnosed sleep related breathing disorder affecting predominantly middle-aged men. OSA is associated with many adverse health outcomes, including cardiovascular disease. Common OSA associated/induced cardiovascular disorders include coronary artery disease, heart failure, hypertension, cardiac arrhythmias and stroke, which further increase morbidity and mortality in the OSA population. Endothelial dysfunction, coagulopathy, impaired sympathetic drive, oxidative and inflammatory stress are the pathophysiological pathways suggested for the development of cardiovascular disease in OSA. The evidence would suggest that OSA should be considered as a cardiovascular risk factor, and is a treatable condition. Multiple studies using Continuous Positive Airway Pressure (CPAP) have shown improvements in the clinical state as well as retardation of disease progression. Therefore, patients with cardiovascular disease should be proactively screened for OSA and vice versa.
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Affiliation(s)
- Mehmood Butt
- University Department of Medicine, City Hospital, Birmingham B18 7QH, UK
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Abstract
Sleep disorders, such as restless legs, periodic limb movements and sleep apnea, and sleep complaints such as insomnia and daytime sleepiness, are very common in end-stage renal disease patients despite treatment with 3-times-a-week conventional hemodialysis. If left untreated, they are likely to impair quality of life and may alter cardiovascular outcomes in this patient population. Home dialysis has the potential to improve sleep disorders by offering more effective dialysis than conventional modalities. Although there has been little direct comparison between the impact of home dialysis and conventional dialysis on sleep disorders, there is evidence that both nocturnal peritoneal dialysis and nocturnal hemodialysis improve sleep apnea. The impact of home dialysis on other sleep disorders and sleep complaints is less impressive, but the data, thus far, have been limited. Further research is required to evaluate the impact of home dialysis on all sleep disorders and sleep complaints in this patient population and to determine whether this improves quality of life and cardiovascular morbidity and mortality.
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Takama N, Kurabayashi M. Influence of untreated sleep-disordered breathing on the long-term prognosis of patients with cardiovascular disease. Am J Cardiol 2009; 103:730-4. [PMID: 19231343 DOI: 10.1016/j.amjcard.2008.10.035] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2008] [Revised: 10/24/2008] [Accepted: 10/24/2008] [Indexed: 11/19/2022]
Abstract
Sleep-disordered breathing (SDB) and cardiovascular disease (CVD) are closely related; however, the effect of SDB on the long-term prognosis of patients with CVD is unknown. Our aim in this study was to assess the association between SDB and fatal cardiovascular events in patients with CVD. We performed a long-term follow-up study of 135 patients with CVD. The average observation period was 610 +/- 268 days. The patients were classified into 2 groups based on their apnea index: patients with apnea index >or=5/h (Group H) were diagnosed with SDB (n = 43), and those with apnea index <5/h (Group L) were diagnosed without SDB (n = 92). In Group H, obstructive sleep apnea (OSA) was diagnosed if obstructive apnea index was >or=5/h, and central sleep apnea was diagnosed if central apnea index was >or=5/h. Group H had a significantly lower survival rate than Group L (p <0.005), particularly those with OSA in Group H (p <0.0005). In a Cox proportional hazards model with presence of OSA, age, brain natriuretic peptide, left ventricular ejection fraction, and cardiovascular risk factors, the odds ratio of fatal cardiovascular events was 2.45 (95% confidence interval 1.26 to 5.08) for OSA (p <0.01), which was associated with an increased risk of mortality. In conclusion, our results suggest that SDB is associated with a poorer long-term prognosis and that the presence of OSA is a strong predictor of fatal cardiovascular events in patients with CVD.
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Affiliation(s)
- Noriaki Takama
- Department of Cardiovascular Medicine, Gunma University School of Medicine, Maebashi, Japan.
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de Araújo CM, Solimene MC, Grupi CJ, Genta PR, Lorenzi-Filho G, Da Luz PL. Evidence that the degree of obstructive sleep apnea may not increase myocardial ischemia and arrhythmias in patients with stable coronary artery disease. Clinics (Sao Paulo) 2009; 64:223-30. [PMID: 19330249 PMCID: PMC2666450 DOI: 10.1590/s1807-59322009000300013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2008] [Accepted: 12/08/2008] [Indexed: 11/22/2022] Open
Abstract
UNLABELLED There is controversy regarding whether obstructive sleep apnea is responsible for triggering myocardial ischemia, arrhythmias and heart rate variability in patients with coronary artery disease. OBJECTIVE The objective of this study was to identify relationships between sleep apnea, myocardial ischemia and cardiac arrhythmia in patients with coronary artery disease. METHODS Fifty-three patients with stable coronary disease underwent simultaneous polysomnography and electrocardiographic Holter recording. The apnea-hypopnea index (AHI) was defined as the number of apneas/hypopneas per hour of sleep. Patients were divided into a Control group (AHI15, n=23 pts) and an Apnea group (AHI>15, n=30 pts). A subgroup of 13 patients with an AHI>30 (Severe Apnea group) was also studied. We analyzed ischemic episodes (ST-segment depressions >1 mm, > 1 min), heart rate variability and the occurrence of arrhythmias during wakefulness and sleep. RESULTS Baseline clinical characteristics among the groups were similar except for higher blood pressure in the Apnea groups (p<0.05). Myocardial ischemia was recorded in 39 (73.6%) patients. The number and duration of ischemic episodes significantly decreased during sleep in all groups; during wakefulness, patients with severe apnea exhibited fewer and shorter episodes in comparison with the controls. There were no significant differences in heart rate variability or in the occurrence of arrhythmias among the groups. Malignant ventricular arrhythmias, atrial fibrillation/flutter, bradycardia and high-degree atrioventricular blocks were not detected. CONCLUSION Obstructive sleep apnea was not related to myocardial ischemia, heart rate variability or arrhythmias in patients with stable coronary artery disease and did not alter the circadian pattern of myocardial ischemia.
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Affiliation(s)
- Cristiana Marques de Araújo
- Departament of Clinical Cardiology, Instituto do Coração (InCor) do Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo - São Paulo/SP, Brazil
| | - Maria Cecilia Solimene
- Departament of Clinical Cardiology, Instituto do Coração (InCor) do Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo - São Paulo/SP, Brazil
| | - Cesar Jose Grupi
- Departament of Clinical Cardiology, Instituto do Coração (InCor) do Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo - São Paulo/SP, Brazil
| | - Pedro Rodrigues Genta
- Division of Pulmonology and Sleep Laboratory, Instituto do Coração (InCor) do Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo/SP, Brasil. Tel.: 55 11 3069.5447,
| | - Geraldo Lorenzi-Filho
- Division of Pulmonology and Sleep Laboratory, Instituto do Coração (InCor) do Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo/SP, Brasil. Tel.: 55 11 3069.5447,
| | - Protásio Lemos Da Luz
- Departament of Clinical Cardiology, Instituto do Coração (InCor) do Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo - São Paulo/SP, Brazil
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Serizawa N, Yumino D, Kajimoto K, Tagawa Y, Takagi A, Shoda M, Kasanuki H, Hagiwara N. Impact of sleep-disordered breathing on life-threatening ventricular arrhythmia in heart failure patients with implantable cardioverter-defibrillator. Am J Cardiol 2008; 102:1064-8. [PMID: 18929710 DOI: 10.1016/j.amjcard.2008.05.057] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2008] [Revised: 05/30/2008] [Accepted: 05/30/2008] [Indexed: 11/24/2022]
Abstract
It was recognized that sleep-disordered breathing (SDB) is associated with cardiac arrhythmia and sudden cardiac death. However, it was unclear whether the presence of SDB increased the risk of life-threatening ventricular arrhythmia in patients with heart failure (HF) with an implantable cardioverter-defibrillator (ICD). Seventy-one patients with HF and an ICD who were followed up for 180 days after a sleep study were prospectively studied. All patients had an ejection fraction <or=35%. SDB was defined as an apnea-hypopnea index >or=10 events/hour on the sleep study. The frequency of appropriate ICD therapy and the day-night pattern of ICD therapies were compared between patients with and without SDB. SDB was diagnosed in 47 of 71 patients (66%). There were no statistical differences between patients with and without SDB in baseline cardiac function. However, appropriate ICD therapies occurred more frequently in patients with (43%) than without SDB (17%; p = 0.029). On multivariate analysis, the presence of SDB was an independent predictor for appropriate ICD therapy (hazard ratio 4.05, 95% confidence interval 1.20 to 13.65, p = 0.015). Moreover, the rate of total ICD therapy from midnight to 6 A.M. was significantly higher in patients with (34%) than without SDB (13%; p = 0.046). In conclusion, in patients with HF with an ICD, the presence of SDB was common and an independent predictor of life-threatening ventricular arrhythmias that were more likely to occur during sleep.
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Kuniyoshi FHS, Garcia-Touchard A, Gami AS, Romero-Corral A, van der Walt C, Pusalavidyasagar S, Kara T, Caples SM, Pressman GS, Vasquez EC, Lopez-Jimenez F, Somers VK. Day-night variation of acute myocardial infarction in obstructive sleep apnea. J Am Coll Cardiol 2008; 52:343-6. [PMID: 18652941 DOI: 10.1016/j.jacc.2008.04.027] [Citation(s) in RCA: 177] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Revised: 04/28/2008] [Accepted: 04/29/2008] [Indexed: 10/21/2022]
Abstract
OBJECTIVES This study sought to evaluate the day-night variation of acute myocardial infarction (MI) in patients with obstructive sleep apnea (OSA). BACKGROUND Obstructive sleep apnea has a high prevalence and is characterized by acute nocturnal hemodynamic and neurohormonal abnormalities that may increase the risk of MI during the night. METHODS We prospectively studied 92 patients with MI for which the time of onset of chest pain was clearly identified. The presence of OSA was determined by overnight polysomnography. RESULTS For patients with and without OSA, we compared the frequency of MI during different intervals of the day based on the onset time of chest pain. The groups had similar prevalence of comorbidities. Myocardial infarction occurred between 12 am and 6 am in 32% of OSA patients and 7% of non-OSA patients (p = 0.01). The odds of having OSA in those patients whose MI occurred between 12 am and 6 am was 6-fold higher than in the remaining 18 h of the day (95% confidence interval: 1.3 to 27.3, p = 0.01). Of all patients having an MI between 12 am and 6 am, 91% had OSA. CONCLUSIONS The diurnal variation in the onset of MI in OSA patients is strikingly different from the diurnal variation in non-OSA patients. Patients with nocturnal onset of MI have a high likelihood of having OSA. These findings suggest that OSA may be a trigger for MI. Patients having nocturnal onset of MI should be evaluated for OSA, and future research should address the effects of OSA therapy for prevention of nocturnal cardiac events.
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Affiliation(s)
- Fatima H Sert Kuniyoshi
- Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA
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Shaw JE, Punjabi NM, Wilding JP, Alberti KGMM, Zimmet PZ. Sleep-disordered breathing and type 2 diabetes: a report from the International Diabetes Federation Taskforce on Epidemiology and Prevention. Diabetes Res Clin Pract 2008; 81:2-12. [PMID: 18544448 DOI: 10.1016/j.diabres.2008.04.025] [Citation(s) in RCA: 199] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2008] [Revised: 04/28/2008] [Accepted: 04/30/2008] [Indexed: 12/16/2022]
Abstract
Sleep-disordered breathing (SDB) has been associated with insulin resistance and glucose intolerance, and is frequently found in people with type 2 diabetes. SDB not only causes poor sleep quality and daytime sleepiness, but has clinical consequences, including hypertension and increased risk of cardiovascular disease. In addition to supporting the need for further research into the links between SDB and diabetes, the International Diabetes Federation Taskforce on Epidemiology and Prevention strongly recommends that health professionals working in both type 2 diabetes and SDB adopt clinical practices to ensure that a patient presenting with one condition is considered for the other.
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Affiliation(s)
- Jonathan E Shaw
- International Diabetes Institute, 250 Kooyong Road, Caulfield, Melbourne, VIC 3162, Australia.
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Hwang D, Shakir N, Limann B, Sison C, Kalra S, Shulman L, Souza ADC, Greenberg H. Association of sleep-disordered breathing with postoperative complications. Chest 2008; 133:1128-34. [PMID: 18339794 DOI: 10.1378/chest.07-1488] [Citation(s) in RCA: 180] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is associated with increased perioperative risk, but the incidence of postoperative complications and the severity of OSA associated with increased risk have not been established. We investigated the relationship between intermittent hypoxemia measured by home nocturnal oximetry with the occurrence of postoperative complications in patients with clinical signs of OSA identified during preoperative assessment for elective surgery. METHODS This study was performed at a tertiary care hospital. Home nocturnal oximetry was performed on elective surgical patients with clinical features of OSA. The number of episodes per hour of oxygen desaturation (or oxygen desaturation index) of > or = 4% (ODI4%) was determined. Subjects with five or more desaturations per hour (ODI4% > or = 5) were compared to those with less than five desaturations per hour (ODI4% < 5). Hospital records were reviewed to assess the incidence and type of postoperative complications. RESULTS A total of 172 patients were investigated as part of this study. No significant differences were observed between groups in terms of age, body mass index, number of medical comorbidities, or smoking history. Patients with an ODI4% > or = 5 had a significantly higher rate of postoperative complications than those with ODI4% < 5 (15.3% vs 2.7%, respectively [p < 0.01]; adjusted odds ratio, 7.2; 95% confidence interval, 1.5 to 33.3 [p = 0.012]). The complication rate also increased with increasing ODI severity (patients with an ODI4% of 5 to 15 events per hour, 13.8%; patients with an ODI4% of > or = 15 events per hour, 17.5%; p = 0.01) Complications were respiratory (nine patients), cardiovascular (five patients), GI (one patient), and bleeding (two patients). The hospital length of stay was similar in both groups. CONCLUSION An ODI4%> or = 5, determined by home nocturnal oximetry, in patients with clinical features of OSA is associated with an increased rate of postoperative complications.
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Affiliation(s)
- Dennis Hwang
- Division of Pulmonary, Critical Care, and Sleep Medicine, North Shore Long Island Jewish Health Systems, 410 Lakeville Rd, Suite 107, New Hyde Park, NY 11040, USA.
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Yoneyama K, Osada N, Shimozato T, Ishibashi Y, Hayashi A, Takahashi E, Kida K, Suzuki K, Tamura M, Inoue K, Akashi YJ, Omiya K, Miyake F, Izawa KP, Watanabe S. Relationship Between Sleep-Disordered Breathing Level and Acute Onset Time of Congestive Heart Failure. Int Heart J 2008; 49:471-80. [DOI: 10.1536/ihj.49.471] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Kihei Yoneyama
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Naohiko Osada
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Takashi Shimozato
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Yuki Ishibashi
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Akio Hayashi
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Eiji Takahashi
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Keisuke Kida
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Kengo Suzuki
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Masachika Tamura
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Koji Inoue
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Yoshihiro J. Akashi
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Kazuto Omiya
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Fumihiko Miyake
- Division of Cardiology, Department of Internal Medicine, St. Marianna University of Medicine
| | - Kazuhiro P. Izawa
- Department of Rehabilitation Medicine, St. Marianna University Hospital
| | - Satoshi Watanabe
- Department of Rehabilitation Medicine, St. Marianna University Hospital
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