Rachel P Ogilvie1,2, Michael V Genuardi1,3, Jared W Magnani1,3, Susan Redline4, Martha L Daviglus5, Neomi Shah6, Mayank Kansal7, Jianwen Cai8, Alberto R Ramos9, Barry E Hurwitz10, Sonia Ponce11, Sanjay R Patel1,12, Carlos J Rodriguez13. 1. Center for Sleep and Cardiovascular Outcomes Research (R.P.O., M.V.G., J.W.M., S.R.P.), University of Pittsburgh School of Medicine. 2. Department of Psychiatry (R.P.O.), University of Pittsburgh School of Medicine. 3. Division of Cardiology, University of Pittsburgh Medical Center (M.V.G., J.W.M.). 4. Brigham and Women's Hospital, Harvard Medical School (S.R.). 5. Institute for Minority Health Research, University of Illinois at Chicago (M.L.D.). 6. Icahn School of Medicine at Mount Sinai (N.S.). 7. University of Illinois Hospital and Health Sciences (M.K.). 8. Department of Biostatistics, University of North Carolina at Chapel Hill (J.C.). 9. Department of Neurology (A.R.R.), University of Miami, Miller School of Medicine. 10. Department of Psychology and Behavioral Medicine Research Center (B.E.H.), University of Miami, Miller School of Medicine. 11. University of California, San Diego (S.P.). 12. Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh (S.R.P.). 13. Departments of Medicine and Epidemiology & Population Health, Albert Einstein College of Medicine (C.J.R.).
Abstract
BACKGROUND: Prior studies have found that sleep-disordered breathing (SDB) is common among those with left ventricular (LV) dysfunction and heart failure. Few epidemiological studies have examined this association, especially in US Hispanic/Latinos, who may be at elevated risk of SDB and heart failure. METHODS: We examined associations between SDB and LV diastolic and systolic function using data from 1506 adults aged 18 to 64 years in the Hispanic Community Health Study/Study of Latinos ECHO-SOL Ancillary Study (2011-2014). Home sleep testing was used to measure the apnea-hypopnea index, a measure of SDB severity. Echocardiography was performed a median of 2.1 years later to quantify LV diastolic function, systolic function, and structure. Multivariable linear regression was used to model the association between apnea-hypopnea index and echocardiographic measures while accounting for the complex survey design, demographics, body mass, and time between sleep and echocardiographic measurements. RESULTS: Each 10-unit increase in apnea-hypopnea index was associated with 0.2 (95% CI, 0.1-0.3) lower E', 0.3 (0.1-0.5) greater E/E' ratio, and 1.07-fold (1.03-1.11) higher prevalence of diastolic dysfunction as well as 1.3 (0.3-2.4) g/m2 greater LV mass index. These associations persisted after adjustment for hypertension and diabetes mellitus. In contrast, no association was identified between SDB severity and subclinical markers of LV systolic function. CONCLUSIONS: Greater SDB severity was associated with LV hypertrophy and subclinical markers of LV diastolic dysfunction. These findings suggest SDB in Hispanic/Latino men and women may contribute to the burden of heart failure in this population.
BACKGROUND: Prior studies have found that sleep-disordered breathing (SDB) is common among those with left ventricular (LV) dysfunction and heart failure. Few epidemiological studies have examined this association, especially in US Hispanic/Latinos, who may be at elevated risk of SDB and heart failure. METHODS: We examined associations between SDB and LV diastolic and systolic function using data from 1506 adults aged 18 to 64 years in the Hispanic Community Health Study/Study of Latinos ECHO-SOL Ancillary Study (2011-2014). Home sleep testing was used to measure the apnea-hypopnea index, a measure of SDB severity. Echocardiography was performed a median of 2.1 years later to quantify LV diastolic function, systolic function, and structure. Multivariable linear regression was used to model the association between apnea-hypopnea index and echocardiographic measures while accounting for the complex survey design, demographics, body mass, and time between sleep and echocardiographic measurements. RESULTS: Each 10-unit increase in apnea-hypopnea index was associated with 0.2 (95% CI, 0.1-0.3) lower E', 0.3 (0.1-0.5) greater E/E' ratio, and 1.07-fold (1.03-1.11) higher prevalence of diastolic dysfunction as well as 1.3 (0.3-2.4) g/m2 greater LV mass index. These associations persisted after adjustment for hypertension and diabetes mellitus. In contrast, no association was identified between SDB severity and subclinical markers of LV systolic function. CONCLUSIONS: Greater SDB severity was associated with LV hypertrophy and subclinical markers of LV diastolic dysfunction. These findings suggest SDB in Hispanic/Latino men and women may contribute to the burden of heart failure in this population.
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