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Solhjoo S, Haigney MC, Punjabi NM. Sleep-disordered breathing destabilizes ventricular repolarization: Cross-sectional, longitudinal, and experimental evidence. Heart Rhythm 2024:S1547-5271(24)03272-7. [PMID: 39214391 DOI: 10.1016/j.hrthm.2024.08.054] [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: 08/22/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024]
Abstract
BACKGROUND Sleep-disordered breathing (SDB) increases the risk of cardiac arrhythmias and sudden cardiac death. OBJECTIVE This study sought to characterize the associations between SDB, intermittent hypoxemia, and the beat-to-beat QT variability index (QTVI), a measure of ventricular repolarization lability associated with cardiac arrhythmias and sudden cardiac death. METHODS Three distinct cohorts were used: a matched sample of 122 participants with and without severe SDB for cross-sectional analysis; a matched sample of 52 participants with and without incident SDB for longitudinal analysis; and a sample of 19 healthy adults exposed to acute intermittent hypoxia and ambient air on 2 separate days. The cross-sectional and longitudinal cohorts were the Sleep Heart Health Study participants with no known comorbidities who were not taking any drugs known to affect cardiac repolarization and satisfied the inclusion criteria. Electrocardiographic measures were calculated from 1-lead electrocardiograms. RESULTS Participants with severe SDB had greater QTVI than those without SDB (P = .027). Total sleep time with <90% oxygen saturation, but not the arousal frequency, was a predictor of QTVI. QTVI during sleep was predictive of all-cause mortality. With incident SDB, mean QTVI increased from -1.23 to -0.86 during 5 years (P = .017). Finally, experimental exposure of healthy adults to acute intermittent hypoxia for 4 hours progressively increased QTVI (P = .016). CONCLUSION The results show that both prevalent SDB and incident SDB are associated with ventricular repolarization instability and suggest intermittent hypoxemia as the underlying mechanism that may contribute to increased mortality in SDB.
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Affiliation(s)
- Soroosh Solhjoo
- Johns Hopkins University School of Medicine, Baltimore, Maryland; F. Edward Hébert School of Medicine, Bethesda, Maryland.
| | - Mark C Haigney
- F. Edward Hébert School of Medicine, Bethesda, Maryland; Military Cardiovascular Outcomes Research (MiCOR), Bethesda, Maryland
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Zhang B, Zhao M, Zhang X, Zhang X, Liu X, Huang W, Lu S, Xu J, Liu Y, Xu W, Li X, Tang J. The value of circadian heart rate variability for the estimation of obstructive sleep apnea severity in adult males. Sleep Breath 2024; 28:1105-1118. [PMID: 38170376 DOI: 10.1007/s11325-023-02983-1] [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: 09/14/2023] [Revised: 12/05/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024]
Abstract
OBJECTIVES Heart rate variability (HRV) is becoming more prevalent as a measurable parameter in wearable sleep-monitoring devices, which are simple and effective instruments for illness evaluation. Currently, most studies on investigating OSA severity and HRV have measured heart rates during wakefulness or sleep. Therefore, the objective of this study was to investigate the circadian rhythm of HRV in male patients with OSA and its value for the estimation of OSA severity using group-based trajectory modeling. METHODS Patients with complaints of snoring were enrolled from the Sleep Center of Shandong Qianfoshan Hospital. Patients were divided into 3 groups according to apnea hypopnea index (AHI in events/h), as follows: (<15, 15≤AHI<30, and ≥30). HRV parameters were calculated using 24 h Holter monitoring, which included time-domain and frequency-domain indices. Circadian differences in the standard deviation of normal to normal (SDNN) were evaluated for OSA severity using analysis of variance, trajectory analysis, and multinomial logistic regression. RESULTS A total of 228 patients were enrolled, 47 with mild OSA, 48 moderate, and 133 severe. Patients with severe OSA exhibited reduced triangular index and higher very low frequency than those in the other groups. Circadian HRV showed that nocturnal SDNN was considerably higher than daytime SDNN in patients with severe OSA. The difference among the OSA groups was significant at 23, 24, 2, and 3 o'clock sharp between the severe and moderate OSA groups (all P<0.05). The heterogeneity of circadian HRV trajectories in OSA was strongly associated with OSA severity, including sleep structure and hypoxia-related parameters. Among the low-to-low, low-to-high, high-to-low, and high-to-high groups, OSA severity in the low-to-high group was the most severe, especially compared with the low-to-low and high-to-low SDNN groups, respectively. CONCLUSIONS Circadian HRV in patients with OSA emerged as low daytime and high nocturnal in SDNN, particularly in men with severe OSA. The heterogeneity of circadian HRV revealed that trajectories with low daytime and significantly high nighttime were more strongly associated with severe OSA. Thus, circadian HRV trajectories may be useful to identify the severity of OSA.
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Affiliation(s)
- Baokun Zhang
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, NO. 16766, Jingshi Road, Jinan, Shandong, 250014, People's Republic of China
| | - Mengke Zhao
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical University, Dalian Innovation Institute of Stem Cell and Precision Medicine, Dalian, Liaoning Province, China
| | - Xiao Zhang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Xiaoyu Zhang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Xiaomin Liu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Weiwei Huang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Shanshan Lu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Juanjuan Xu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Ying Liu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Wei Xu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Xiuhua Li
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China.
| | - Jiyou Tang
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, NO. 16766, Jingshi Road, Jinan, Shandong, 250014, People's Republic of China.
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China.
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DiCaro MV, Lei K, Yee B, Tak T. The Effects of Obstructive Sleep Apnea on the Cardiovascular System: A Comprehensive Review. J Clin Med 2024; 13:3223. [PMID: 38892933 PMCID: PMC11172971 DOI: 10.3390/jcm13113223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Obstructive sleep apnea (OSA) is an increasingly relevant cause of cardiovascular morbidity worldwide. Although the association between OSA and the cardiovascular system is well-known, the extent of its effects is still a topic of interest, including pathophysiologic mechanisms, cardiovascular sequelae, and OSA therapies and their effects. Commonly described mechanisms of cardiovascular etiologies revolve around sympathetic activation, inflammation, and intermittent hypoxia resulting from OSA. Ultimately, these effects lead to manifestations in the cardiovascular system, such as arrhythmias, hypertension, and heart failure, among others. The resulting sequelae of OSA may also have differential effects based on gender and age; several studies suggest female gender to have more susceptibility to cardiovascular mortality, as well as an increase in age. Furthermore, several therapies for OSA, both established and emerging, show a reduction in cardiovascular morbidity and may even reduce cardiovascular burden. Namely, the establishment of CPAP has led to improvement in hypertension and cardiac function in patients with heart failure and even reduced the progression of early stages of atherosclerosis. Effective management of OSA decreases abnormal neural sympathetic activity, which results in better rhythm control and blood pressure control, both in waking and sleep cycles. With newer therapies for OSA, its effects on the cardiovascular system may be significantly reduced or even reversed after long-term management. The vast extent of OSA on the cardiovascular system, as well as current and future therapeutic strategies, will be described in detail in this review.
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Affiliation(s)
| | | | | | - Tahir Tak
- Department of Medicine, Kirk Kerkorian School of Medicine at UNLV, Las Vegas, NV 89102, USA; (M.V.D.); (K.L.); (B.Y.)
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Qayoumi P, Coronel R, Folke F, Arulmurugananthavadivel A, Parveen S, Yonis H, Meaidi A, Lamberts M, Schou M, Torp-Pedersen C, Hilmar Gislason G, Eroglu TE. Sleep apnea, the risk of out-of-hospital cardiac arrest, and potential benefits of continuous positive airway pressure therapy: A nationwide study. Resuscitation 2024; 198:110174. [PMID: 38479652 DOI: 10.1016/j.resuscitation.2024.110174] [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: 01/09/2024] [Revised: 02/28/2024] [Accepted: 03/05/2024] [Indexed: 03/23/2024]
Abstract
OBJECTIVE Patients with sleep apnea (SA) are at increased cardiovascular risk. However, little is known about the risk of out-of-hospital cardiac arrest (OHCA) in patients with SA. Therefore, we studied the relation between SA patients who did and did not receive continuous positive airway pressure (CPAP) therapy with OHCA in the general population. METHODS Using nationwide databases, we conducted a nested case-control study with OHCA-cases of presumed cardiac causes and age/sex/OHCA-date matched non-OHCA-controls from the general population. Conditional logistic regression models with adjustments for well-known OHCA risk factors were performed to generate odds ratio (OR) of OHCA comparing patients with SA receiving and not receiving CPAP therapy with individuals without SA. RESULTS We identified 46,578 OHCA-cases and 232,890 matched non-OHCA-controls [mean: 71 years, 68.8% men]. Compared to subjects without SA, having SA without CPAP therapy was associated with increased odds of OHCA after controlling for relevant confounders (OR:1.20, 95%-Cl:1.06-1.36), while having SA with CPAP therapy was not associated with OHCA (OR:1.04, 95%-Cl:0.93-1.36). Regardless of CPAP therapy, age and sex did not significantly influence our findings. Our findings were confirmed in: (I) patients with neither ischemic heart disease nor heart failure (untreated SA, OR:1.24, 95%-CI:1.04-1.47; SA with CPAP, OR:1.08, 95%-CI:0.93-1.25); and (II) in patients without cardiovascular disease (untreated SA, OR:1.33, 95%-CI:1.07-1.65; SA with CPAP, OR:1.14, 95%-CI:0.94-1.39). CONCLUSION SA not treated with CPAP was associated with OHCA, while no increased risk of OHCA was found for SA patients treated with CPAP.
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Affiliation(s)
- Pelpika Qayoumi
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark
| | - Ruben Coronel
- Amsterdam UMC, Academic Medical Center, University of Amsterdam, Department of Experimental and Clinical Cardiology, Heart Centre, Amsterdam Cardiovascular Sciences, Meibergdreef 9, Amsterdam, The Netherlands
| | - Fredrik Folke
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Copenhagen University Hospital -Copenhagen Emergency Medical Services, Copenhagen, Denmark
| | | | - Saaima Parveen
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark
| | - Harman Yonis
- Department of Cardiology, Nordsjællands Hospital, Hillerød, Denmark
| | - Amani Meaidi
- Department of Cardiology, Nordsjællands Hospital, Hillerød, Denmark
| | - Morten Lamberts
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark
| | - Morten Schou
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark
| | | | - Gunnar Hilmar Gislason
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark; The Danish Heart Foundation, Copenhagen, Denmark
| | - Talip E Eroglu
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark.
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Solhjoo S, Haigney MC, Siddharthan T, Koch A, Punjabi NM. Sleep-Disordered Breathing Destabilizes Ventricular Repolarization. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2023.02.10.23285789. [PMID: 36824787 PMCID: PMC9949208 DOI: 10.1101/2023.02.10.23285789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Rationale Sleep-disordered breathing (SDB) increases the risk of cardiac arrhythmias and sudden cardiac death. Objectives To characterize the associations between SDB, intermittent hypoxemia, and the beat-to-beat QT variability index (QTVI), a measure of ventricular repolarization lability associated with a higher risk for cardiac arrhythmias, sudden cardiac death, and mortality. Methods Three distinct cohorts were used for the current study. The first cohort, used for cross-sectional analysis, was a matched sample of 122 participants with and without severe SDB. The second cohort, used for longitudinal analysis, consisted of a matched sample of 52 participants with and without incident SDB. The cross-sectional and longitudinal cohorts were selected from the Sleep Heart Health Study participants. The third cohort comprised 19 healthy adults exposed to acute intermittent hypoxia and ambient air on two separate days. Electrocardiographic measures were calculated from one-lead electrocardiograms. Results Compared to those without SDB, participants with severe SDB had greater QTVI (-1.19 in participants with severe SDB vs. -1.43 in participants without SDB, P = 0.027), heart rate (68.34 vs. 64.92 beats/minute; P = 0.028), and hypoxemia burden during sleep as assessed by the total sleep time with oxygen saturation less than 90% (TST90; 11.39% vs. 1.32%, P < 0.001). TST90, but not the frequency of arousals, was a predictor of QTVI. QTVI during sleep was predictive of all-cause mortality. With incident SDB, mean QTVI increased from -1.23 to -0.86 over 5 years (P = 0.017). Finally, exposing healthy adults to acute intermittent hypoxia for four hours progressively increased QTVI (from -1.85 at baseline to -1.64 after four hours of intermittent hypoxia; P = 0.016). Conclusions Prevalent and incident SDB are associated with ventricular repolarization instability, which predisposes to ventricular arrhythmias and sudden cardiac death. Intermittent hypoxemia destabilizes ventricular repolarization and may contribute to increased mortality in SDB.
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Affiliation(s)
- Soroosh Solhjoo
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- F. Edward Hébert School of Medicine, Bethesda, Maryland, USA
| | - Mark C. Haigney
- F. Edward Hébert School of Medicine, Bethesda, Maryland, USA
- Military Cardiovascular Outcomes Research (MiCOR), Bethesda, Maryland, USA
| | | | - Abigail Koch
- University of Miami Miller School of Medicine, Miami, Florida, USA
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Fuller MC, Carlson S, Pysick H, Berry V, Tondryk A, Swartz H, Cornett EM, Kaye AM, Viswanath O, Urits I, Kaye AD. A Comprehensive Review of Solriamfetol to Treat Excessive Daytime Sleepiness. PSYCHOPHARMACOLOGY BULLETIN 2024; 54:65-86. [PMID: 38449471 PMCID: PMC10913864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Purpose of Review This is a comprehensive review of the literature regarding the use of Solriamfetol for excessive daytime sleepiness. It covers the background and current therapeutic approaches to treating excessive daytime sleepiness, the management of common comorbidities, and the existing evidence investigating the use of Solriamfetol for this purpose. Recent Findings Excessive daytime sleepiness leads to worse quality of life, a medical sequela and significant economic cost. There are multiple phenotypes of excessive daytime sleepiness depending on the comorbidity making treatment challenging. Due to the complexity of etiology there is not a cure for this ailment. Solriamfetol is a norepinephrine/dopamine dual reuptake antagonist that can be used to manage daytime sleepiness. Solriamfetol was first approved by the FDA in 2018 for use in excessive daytime sleepiness associated with obstructive sleep apnea and narcolepsy. Ongoing literature has proved this drug to be a safe and effective alternative pharmacotherapy. Summary Recent epidemiological data estimate up to one-third of the general adult population suffers from excessive daytime sleepiness. There is no cure to daytime somnolence and current pharmacotherapeutic regimens have worrisome side effect profiles. Solriamfetol is a new class of drug that offers a safe and effective alternative option for clinical providers treating excessive daytime sleepiness.
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Affiliation(s)
- Mitchell C Fuller
- Fuller, MD, Dartmouth School of Medicine, Department of Anesthesiology, Hanover, NH
| | - Samuel Carlson
- Carlson, MD, University of Iowa, Department of Surgery, Iowa City, IA
| | - Haley Pysick
- Pysick, MD, University of Iowa, Department of Internal Medicine, Iowa City, IA
| | - Vince Berry
- Berry, MD, University of Chicago, Department of Anesthesiology, Chicago, IL
| | - Andrew Tondryk
- Tondryk, MD, University of New Mexico, Department of Internal Medicine, Albuquerque, NM
| | - Hayden Swartz
- Swartz, MD, Mayo Clinic College of Medicine, Department of Radiology, Rochester, MN
| | - Elyse M Cornett
- Cornett, PhD, Louisiana State University Shreveport, Department of Anesthesiology, Shreveport LA
| | - Adam M Kaye
- Kaye, Pharm D, Thomas J. Long School of Pharmacy and Health Sciences, University of the Pacific, Department of Pharmacy Practice, Stockton, AM
| | - Omar Viswanath
- Viswanath, MD, Louisiana State University Shreveport, Department of Anesthesiology, Shreveport LA; University of Arizona College of Medicine-Phoenix, Department of Anesthesiology, Phoenix, AZ; Valley Anesthesiology and Pain Consultants-Envision Physician Services, Phoenix, AZ; Creighton University School of Medicine, Department of Anesthesiology, Omaha, NE
| | - Ivan Urits
- Urits, MD, Louisiana State University Shreveport, Department of Anesthesiology, Shreveport LA
| | - Alan D Kaye
- Kaye, MD, PhD, Louisiana State University Shreveport, Department of Anesthesiology, Shreveport LA
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Lee S, Ryu S, Lee GE, Redline S, Morey BN. Risk of Sleep Apnea Is Associated with Abdominal Obesity Among Asian Americans: Comparing Waist-to-Hip Ratio and Body Mass Index. J Racial Ethn Health Disparities 2024; 11:157-167. [PMID: 36622567 PMCID: PMC9838535 DOI: 10.1007/s40615-022-01507-z] [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: 08/23/2022] [Revised: 12/15/2022] [Accepted: 12/22/2022] [Indexed: 01/10/2023]
Abstract
OBJECTIVE This study examines associations between the risk of sleep apnea and abdominal obesity (assessed by waist-to-hip ratio (WHR)) and general obesity (assessed by body mass index (BMI)) in a sample of Chinese and Korean American immigrants. METHODS The dataset included Chinese and Korean participants aged 50-75 who were recruited from primary care physicians' clinics from April 2018 to June 2020 in the Baltimore-Washington D.C. Metropolitan area (n = 394). Abdominal obesity was determined if WHR ≥ 0.9 in men and WHR ≥ 0.85 in women. General obesity was determined if BMI ≥ 30. The risk of sleep apnea was determined by using the Berlin questionnaire. Poisson regression models examined associations between sleep apnea risk and obesity. Models controlled for socio-demographic risk factors. RESULTS Twelve percent of the study participants were classified as a high risk for sleep apnea, and 75% had abdominal obesity whereas 6.4% had general obesity. High risk of sleep apnea was positively associated with abdominal obesity (PR = 1.31, 95% CI: 1.17-1.47) and general obesity (PR = 2.19, 95% CI: 0.90-5.32), marginally significant at p < 0.1). CONCLUSIONS Chinese and Korean immigrants living in the USA who are at high risk of sleep apnea have higher abdominal obesity, even after accounting for sociodemographic characteristics. Abdominal obesity may be a better indicator than general obesity when examining the risk of sleep apnea among Asian Americans. INFORMATION ON CLINICAL TRIAL Name: Screening To Prevent ColoRectal Cancer (STOP CRC) among At-Risk Asian American Primary Care Patients NCT Number: NCT03481296; Date of registration: March 29, 2018 URL: https://clinicaltrials.gov/ct2/show/NCT03481296?term=Sunmin+Lee&draw=2&rank=1.
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Affiliation(s)
- Sunmin Lee
- Department of Medicine, School of Medicine, University of California-Irvine, 1001 Health Sciences Road, Bldg835, Ste 231, Irvine, CA, USA.
| | - Soomin Ryu
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Grace E Lee
- Department of Medicine, School of Medicine, University of California-Irvine, 1001 Health Sciences Road, Bldg835, Ste 231, Irvine, CA, USA
| | - Susan Redline
- Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Brittany N Morey
- Department of Health, Society, & Behavior, Program in Public Health, University of California, Irvine, CA, USA
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Chou TTC, Hsu HC, Twu CW, Huang WK, Huang HM, Weng SH, Chen MC. Prevalence of Obstructive Sleep Apnea Using Home Sleep Test in Taiwan During the Coronavirus Disease Pandemic. Nat Sci Sleep 2023; 15:1107-1116. [PMID: 38149042 PMCID: PMC10750777 DOI: 10.2147/nss.s434278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 12/12/2023] [Indexed: 12/28/2023] Open
Abstract
Background Obstructive sleep apnea syndrome (OSAS) is a common disorder associated with serious sequelae. The current gold standard diagnostic method, polysomnography, is costly and time consuming and requires patients to stay overnight at a facility. Aim This study aimed to reveal the prevalence of OSAS in general adult population using a home sleep test (HST) during the coronavirus disease 2019 (COVID-19) pandemic. Methods This prospective cohort study was conducted by the Department of Otolaryngology, Taipei City Hospital, Taipei, Taiwan, between January 2020 and December 2021. A total of 1372 patients aged 30-70 years completed an HST using a Type 3 portable sleep monitor (PM). The apnea-hypopnea index (AHI) was analyzed to assess the association of OSAS with age, body mass index (BMI), sex, Epworth Sleepiness Scale (ESS) and the Sleep Apnea Risk Assessment questionnaire (STOP-Bang questionnaire) rating. Results The mean age of the patients (782 men, 57%; 590 women, 43%) was 49.24 ± 11.04 years. OSAS was detected in 954 (69.5%) patients with 399 (29.1%) mild OSAS; 246 (17.9%) moderate OSAS; and 309 (22.5%) severe OSAS. Among these, the prevalence of moderate-to-severe OSAS was 143 (10.4%) in women and 412 (30.0%) in men. The mean age was the highest (51.29 ± 11.29) in the mild OSAS group and lowest (47.08 ± 10.87) in the healthy group. OSAS severity was greater with increasing BMI, 23.39 ± 3.44 in the healthy group and 29.29 ± 5.01 in the severe OSAS group. A positive correlation was also noted between the ESS/STOP-Bang questionnaire rating and OSAS severity. Conclusion The prevalence of OSAS in Taiwan was 69.5% in our study. It showed strong evidence that OSAS has important public health consequences and PMs are simple, fast, feasible, and cost-effective tools for OSAS screening in the home environment, especially during the COVID-19 pandemic.
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Affiliation(s)
| | - Hsin-Chien Hsu
- Department of Otolaryngology, Taipei City Hospital, Taipei City, Taiwan
- Graduate Institute of Business Administration, College of Management, Fu Jen Catholic University, New Taipei City, Taiwan
- General Education Center, University of Taipei, Taipei City, Taiwan
| | - Chih-Wen Twu
- Department of Otorhinolaryngology, Head and Neck Surgery, Changhua Christian Hospital, Changhua County, Taiwan
- Department of Post-Baccalaureate Medicine, National Chung Hsing University, Taichung City, Taiwan
| | - Wen-Kuan Huang
- Division of Hematology/Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, Taoyuan City, Taiwan
| | - Hung-Meng Huang
- Department of Otolaryngology, Taipei City Hospital, Taipei City, Taiwan
- Department of Otolaryngology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan
| | - Shih-Han Weng
- Department of Education and Research, Taipei City Hospital, Taipei City, Taiwan
| | - Ming-Chih Chen
- Graduate Institute of Business Administration, College of Management, Fu Jen Catholic University, New Taipei City, Taiwan
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Song SY, Choi WK, Kwak S. A model study for the classification of high-risk groups for cardiac arrest in general ward patients using simulation techniques. Medicine (Baltimore) 2023; 102:e35057. [PMID: 37713881 PMCID: PMC10508528 DOI: 10.1097/md.0000000000035057] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 08/11/2023] [Indexed: 09/17/2023] Open
Abstract
Currently, many hospitals use vital signs-based criteria such as modified early warning score (MEWS) and national early warning score (NEWS) to classify high-risk patients for cardiac arrest, but there are limitations in selecting high-risk patients with a possibility of cardiac arrest. The purpose of this study is to develop a cardiac arrest classification model to identify patients at high risk of cardiac arrest based on the patient family and past history, and blood test results after hospitalization, rather than vital signs. This study used electronic medical record (EMR) data from A university hospital, and patients in the high-risk group for cardiac arrest were defined as those who underwent cardio-pulmonary resuscitation (CPR) after cardiac arrest. Considering the use of the rapid response team of A university hospital, patients hospitalized in intensive care units (ICU), emergency medicine departments, psychiatric departments, pediatric departments, cardiology departments, and palliative care wards were excluded. This study included 325,534 patients, of which 3291 low-risk and 382 high-risk patients were selected for study. Data were split into training and validation data sets and univariate analysis was performed for 13 candidate risk factors. Then, multivariate analysis was performed using a bivariate logistic regression model, and an optimal model was selected using simulation analysis. In the training data set, it was calculated as sensitivity 75.25%, precision 21.59%, specificity 66.89%, accuracy 67.79%, F1 score 33.56, area under curve (AUC) 71.1 (95% confidence interval [CI] = 68.9-73.1 P value=<.001). In the validation data set, sensitivity 73.37%, precision 25.81%, specificity 75.03%, accuracy 74.86%, F1 score 38.19, AUC 74.2 (95% CI = 72.1-76.2, P value=<.001) were calculated. A model for classifying the high-risk group of cardiac arrest should be developed from various perspectives. In the future, in order to classify patients with high risk of cardiac arrest, a prospective study on the combined use of the model developed by this study and NEWS or MEWS should be conducted.
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Affiliation(s)
- Seok Young Song
- Department of Anesthesiology and Pain Medicine, College of Medicine, Daegu Catholic University, Daegu, Republic of Korea
| | - Won-Kee Choi
- Department of Orthopaedic Surgery, College of Medicine, Daegu Catholic University, Daegu, Republic of Korea
| | - Sanggyu Kwak
- Department of Medical Statistics, College of Medicine, Daegu Catholic University, Daegu, Republic of Korea
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10
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Zdravkovic M, Popadic V, Klasnja S, Milic N, Rajovic N, Divac A, Manojlovic A, Nikolic N, Lukic F, Rasiti E, Mircetic K, Marinkovic D, Nikolic S, Crnokrak B, Lisulov DP, Djurasevic S, Stojkovic M, Todorovic Z, Lasica R, Parapid B, Djuran P, Brajkovic M. Obstructive Sleep Apnea and Cardiovascular Risk: The Role of Dyslipidemia, Inflammation, and Obesity. Front Pharmacol 2022; 13:898072. [PMID: 35784707 PMCID: PMC9240428 DOI: 10.3389/fphar.2022.898072] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/16/2022] [Indexed: 11/23/2022] Open
Abstract
Introduction: The present study aimed to establish the role of lipid abnormalities and inflammatory markers for developing cardiovascular risk, as well as to address the importance of obesity as a common comorbidity in patients with obstructive sleep apnea (OSA). Methods: The study was conducted as a prospective cohort study including 120 patients with newly diagnosed OSA between 2019 and 2020, at University Clinical Hospital Center “Bezanijska kosa”, Belgrade, Serbia. The diagnosis was established by polysomnography. In all patients, sociodemographic data, respiratory, lipid, and inflammatory parameters were collected and complete echocardiographic study and 24-h blood pressure monitoring were performed. Results: The mean patient age was 55.7 ± 13.8 years. Study population was mostly male (70.0%) and obese (56.7%). At least 30 apneas or hypopneas per hour were present in 39.0% of patients. A strong positive correlation was found between OSA severity and BMI (r = 0.562, p < 0.001), both associated with lipid, inflammatory and respiratory parameters, and cardiovascular profile of patients with OSA (p < 0.05 for all). Echocardiographic study and 24-h blood pressure monitoring parameters were in turn correlated with lipid and inflammatory markers (p < 0.05 for all). Conclusion: The results of this study support the important role of dyslipidemia and inflammation, as well as coexistence of obesity in the pathogenesis of numerous conditions linked with an increased risk of cardiovascular morbidity and mortality in patients with OSA.
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Affiliation(s)
- Marija Zdravkovic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Viseslav Popadic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
- *Correspondence: Viseslav Popadic,
| | - Slobodan Klasnja
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Natasa Milic
- Institute for Medical Statistics and Informatics, Faculty of Medicine University of Belgrade, Belgrade, Serbia
- Department of Internal Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MI, United States
| | - Nina Rajovic
- Institute for Medical Statistics and Informatics, Faculty of Medicine University of Belgrade, Belgrade, Serbia
| | - Anica Divac
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Andrea Manojlovic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Novica Nikolic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Filip Lukic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Esma Rasiti
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Katarina Mircetic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | | | - Sofija Nikolic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Bogdan Crnokrak
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | | | | | - Maja Stojkovic
- School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Zoran Todorovic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Ratko Lasica
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Clinical Center of Serbia, Belgrade, Serbia
| | - Biljana Parapid
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Clinical Center of Serbia, Belgrade, Serbia
| | - Predrag Djuran
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
| | - Milica Brajkovic
- University Clinical Hospital Center Bezanijska Kosa, Belgrade, Serbia
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11
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Stafford PL, Harmon EK, Patel P, Walker M, Lin GM, Park SJ, Chatterjee NA, Mehta NK, Mazimba S, Bilchick K, Kwon Y. The Influence of Obesity on the Association of Obstructive Sleep Apnea and Atrial Fibrillation. SLEEP MEDICINE RESEARCH 2021; 12:50-56. [PMID: 34497733 PMCID: PMC8423346 DOI: 10.17241/smr.2021.00857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/28/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND AND OBJECTIVE The association between obstructive sleep apnea (OSA) and atrial fibrillation (AF) has been closely studied. However, obesity is a powerful confounder in the causal relationship between OSA and cardiovascular disease. The contribution of obesity in the relationship between OSA and AF remains unclear. METHODS We recruited 457 consecutive patients equally with and without AF who underwent clinically indicated diagnostic polysomnography at a single academic sleep center. Multivariable logistic regression adjusting for age, sex, hypertension, and heart failure was performed to study the independent association between OSA and AF stratified by obesity. RESULTS A total of 457 patients (male: 56.2%, mean age 63.1 ± 13.3 years) was included. OSA prevalence was similar between those with and without AF (52.6% vs. 47.4%, respectively; p = 0.24). In multivariable analysis, no association was found between AF and OSA regardless of obesity status. When severe OSA (vs. non-severe OSA) was modeled as a dependent variable, AF was associated with a higher likelihood of severe OSA in non-obese patients [odds ratio (OR): 2.29, 95% confidence interval (CI): 1.23-4.35, p = 0.01], but not in obese patients (OR: 0.95, 95% CI: 0.48-1.90, p = 0.89). CONCLUSION The association of OSA with AF was present only in the non-obese and was limited to severe OSA patients. In contrast, no association was found in obese patients. The association between OSA and AF is partly dependent on the body habitus.
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Affiliation(s)
| | - Evan K. Harmon
- Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Paras Patel
- Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - McCall Walker
- Department of Medicine, University of Texas- Southwestern, Dallas, TX, USA
| | - Gen-Min Lin
- Department of Preventative Medicine, Northwestern University, Chicago, IL, USA; Department of Medicine, Hualien Armed Forces General Hospital, Hualien, Taiwan; Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Seung-Jung Park
- Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | | | - Nishaki K. Mehta
- Department of Medicine, William Beaumont Hospital, Royal Oak, MI, USA
| | - Sula Mazimba
- Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Kenneth Bilchick
- Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Younghoon Kwon
- Department of Medicine, University of Washington, Seattle, WA, USA
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