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1.
Thorax ; 76(7): 704-713, 2021 07.
Artigo em Inglês | MEDLINE | ID: mdl-33277428

RESUMO

BACKGROUND: Poor sleep may contribute to chronic kidney disease (CKD) through several pathways, including hypoxia-induced systemic and intraglomerular pressure, inflammation, oxidative stress and endothelial dysfunction. However, few studies have investigated the association between multiple objectively measured sleep dimensions and CKD. METHODS: We investigated the cross-sectional association between sleep dimensions and CKD among 1895 Multi-Ethnic Study of Atherosclerosis Sleep Ancillary Study participants who completed in-home polysomnography, wrist actigraphy and a sleep questionnaire. Using Poisson regression models with robust variance, we estimated separate prevalence ratios (PR) and 95% CIs for moderate-to-severe CKD (glomerular filtration rate <60 mL/min/1.73 m2 or albuminuria >30 mg/g) among participants according to multiple sleep dimensions, including very short (≤5 hours) sleep, Apnoea-Hypopnoea Index and sleep apnoea-specific hypoxic burden (SASHB) (total area under the respiratory event-related desaturation curve divided by total sleep duration, %min/hour)). Regression models were adjusted for sociodemographic characteristics, health behaviours and clinical characteristics. RESULTS: Of the 1895 participants, mean age was 68.2±9.1 years, 54% were women, 37% were white, 28% black, 24% Hispanic/Latino and 11% Asian. Several sleep metrics were associated with higher adjusted PR of moderate-to-severe CKD: very short versus recommended sleep duration (PR=1.40, 95% CI 1.06 to 1.83); SASHB (Box-Cox transformed SASHB: PR=1.06, 95% CI 1.02 to 1.12); and for participants in the highest quintile of SASHB plus sleep apnoea: PR=1.28, 95% CI 1.01 to 1.63. CONCLUSIONS: Sleep apnoea associated hypoxia and very short sleep, likely representing independent biological mechanisms, were associated with a higher moderate-to-severe CKD prevalence, which highlights the potential role for novel interventions.


Assuntos
Aterosclerose/complicações , Etnicidade , Hipóxia/etiologia , Insuficiência Renal Crônica/complicações , Síndromes da Apneia do Sono/complicações , Sono/fisiologia , Actigrafia , Idoso , Idoso de 80 Anos ou mais , Aterosclerose/etnologia , Estudos Transversais , Feminino , Humanos , Hipóxia/fisiopatologia , Masculino , Pessoa de Meia-Idade , Polissonografia , Prevalência , Insuficiência Renal Crônica/etnologia , Fatores de Risco , Autorrelato , Síndromes da Apneia do Sono/etnologia , Síndromes da Apneia do Sono/fisiopatologia , Estados Unidos/epidemiologia
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