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Sleep irregularity and the association with hypertension and blood pressure levels: the ELSA-Brasil study

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Parise, Barbara K. ; Santos, Ronaldo B. ; Mesas, Arthur E. ; Silva, Wagner A. ; Giatti, Soraya ; Aielo, Aline N. ; Cunha, Lorenna F. ; Souza, Silvana P. ; Bortolotto, Luiz A. ; Griep, Rosane H. ; Lotufo, Paulo A. ; Bensenor, Isabela M. ; Drager, Luciano F.
Número total de Autores: 13
Tipo de documento: Artigo Científico
Fonte: Journal of Hypertension; v. 41, n. 4, p. 8-pg., 2023-04-01.
Resumo

Objective:To evaluate the associations of sleep irregularity with hypertension (HTN) and blood pressure (BP) levels.Methods:Adult participants from the ELSA-Brasil performed a clinical evaluation including objective sleep duration (actigraphy), insomnia, and a sleep study for defining obstructive sleep apnoea (OSA). To quantify sleep irregularity, we used two parameters obtained through actigraphy: 7-day standard deviation (SD) of sleep duration and 7-day SD of sleep-onset timing. A multivariate analysis was used to determine the independent associations of sleep irregularity with HTN and SBP/DBP values.Results:We studied 1720 participants (age 49 +/- 8 years; 43.4% men) and 27% fulfilled the HTN diagnosis. After adjustments for age, gender, race, BMI, excessive alcohol consumption, physical activity intensity, urinary sodium excretion, insomnia, objective sleep duration and OSA (apnoea-hypopnoea index >= 15 events/h), we found that the continuous analysis of 7-day SD of sleep duration was modestly associated with prevalent HTN. However, 7-day SD of sleep duration more than 90 min was independently associated with SBP [beta: 1.55; 95% confidence interval (CI) 0.23-2.88] and DBP (beta: 1.07; 95% CI 0.12-2.01). Stratification analysis excluding participants with OSA revealed that a 7-day SD of sleep duration greater than 90 min was associated with a 48% higher chance of having HTN (OR: 1.48; 95% CI: 1.05-2.07). No significant associations were observed for the SD of sleep-onset timing.Conclusion:Objective measurement of sleep irregularity, evaluated by SD of sleep duration for 1 week, was associated with HTN and higher BP levels, especially in participants without OSA. (AU)

Processo FAPESP: 12/02953-2 - Impacto da apneia obstrutiva do sono e da duração do sono sobre a progressão das doenças cardiovasculares
Beneficiário:Luciano Ferreira Drager
Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores
Processo FAPESP: 19/23496-8 - Impacto dos distúrbios do sono na hipertensão arterial: uma abordagem multifacetada
Beneficiário:Luciano Ferreira Drager
Modalidade de apoio: Auxílio à Pesquisa - Temático