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Correlational Analysis of Supine Position Time and Sleep-related Variables in Obstructive Sleep Apnea Syndrome / 수면정신생리
Sleep Medicine and Psychophysiology ; : 32-37, 2017.
Artigo em Coreano | WPRIM | ID: wpr-45283
ABSTRACT

OBJECTIVES:

A supine sleep position increases sleep apneas compared to non-supine positions in obstructive sleep apnea syndrome (OSAS). However, supine position time (SPT) is not highly associated with apnea-hypopnea index (AHI) in OSAS. We evaluated the correlation among sleep-related variables and SPT in OSAS.

METHODS:

A total of 365 men with OSAS were enrolled in this study. We analyzed how SPT was correlated with demographic data, sleep structure-related variables, OSAS-related variables and heart rate variability (HRV). Multiple linear regression analysis was conducted to investigate the factors that affected SPT.

RESULTS:

SPT had the most significant correlation with total sleep time (TST ; r = 0.443, p < 0.001), followed by sleep efficiency (SE ; r = 0.300, p < 0.001). Snoring time (r = 0.238, p < 0.001), time at < 90% SpO2 (r = 0.188, p < 0.001), apnea-hypopnea index (AHI ; r = 0.180, p = 0.001) and oxygen desaturation index (ODI ; r = 0.149, p = 0.004) were significantly correlated with SPT. Multiple regression analysis revealed that TST (t = 7.781, p < 0.001), snoring time (t = 3.794, p < 0.001), AHI (t = 3.768, p < 0.001) and NN50 count (t = 1.993, p = 0.047) were associated with SPT.

CONCLUSION:

SPT was more highly associated with sleep structure-related parameters than OSAS-related variables. SPT was correlated with TST, SE, AHI, snoring time and NN50 count. This suggests that SPT is likely to be determined by sleep structure, HRV and the severity of OSAS.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Oxigênio / Síndromes da Apneia do Sono / Ronco / Modelos Lineares / Decúbito Dorsal / Apneia Obstrutiva do Sono / Frequência Cardíaca Tipo de estudo: Estudo prognóstico Limite: Humanos / Masculino Idioma: Coreano Revista: Sleep Medicine and Psychophysiology Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Oxigênio / Síndromes da Apneia do Sono / Ronco / Modelos Lineares / Decúbito Dorsal / Apneia Obstrutiva do Sono / Frequência Cardíaca Tipo de estudo: Estudo prognóstico Limite: Humanos / Masculino Idioma: Coreano Revista: Sleep Medicine and Psychophysiology Ano de publicação: 2017 Tipo de documento: Artigo