Yanli Li1,2, Xueqin Li3, Dejun Sun2, Shaoxi Cai1. 1. Department of Respiratory and Critical Care Medicine, Southern Hospital, Southern Medical University, Guangzhou, China. 2. Department of Respiration, Inner Mongolia People's Hospital, Hohhot, China. 3. Inner Mongolia Medical University, Hohhot, China.
Abstract
OBJECTIVE: Obesity is involved in the pathogenesis of obstructive sleep apnea syndrome (OSAS). Irisin, a recently discovered myokine, protects the mice from obesity. This study aims to determine the association of serum irisin concentrations with the presence and severity of OSAS. METHODS: This cross-sectional investigation was performed in 165 male OSAS patients and 98 healthy male subjects. Serum irisin concentrations were assessed using an enzyme-linked immunosorbent assay kit. RESULTS: The serum irisin concentrations of OSAS patients significantly decreased compared with the healthy controls (P<.001). Multivariable logistic regression analysis indicated that serum irisin concentrations were an independent determinant of OSAS (OR .971, 95% CI .960 to .981; P<.001). Serum irisin concentrations were significantly reduced among patients with severe OSAS compared with patients with mild and moderate OSAS (P<.001 and P=.010, respectively). Spearman correlation analysis revealed that serum irisin concentrations were inversely correlated with OSAS severity (r=-.327, P<.001). CONCLUSION: Decreased serum irisin concentrations are associated with the presence and severity of OSAS.
OBJECTIVE:Obesity is involved in the pathogenesis of obstructive sleep apnea syndrome (OSAS). Irisin, a recently discovered myokine, protects the mice from obesity. This study aims to determine the association of serum irisin concentrations with the presence and severity of OSAS. METHODS: This cross-sectional investigation was performed in 165 male OSAS patients and 98 healthy male subjects. Serum irisin concentrations were assessed using an enzyme-linked immunosorbent assay kit. RESULTS: The serum irisin concentrations of OSAS patients significantly decreased compared with the healthy controls (P<.001). Multivariable logistic regression analysis indicated that serum irisin concentrations were an independent determinant of OSAS (OR .971, 95% CI .960 to .981; P<.001). Serum irisin concentrations were significantly reduced among patients with severe OSAS compared with patients with mild and moderate OSAS (P<.001 and P=.010, respectively). Spearman correlation analysis revealed that serum irisin concentrations were inversely correlated with OSAS severity (r=-.327, P<.001). CONCLUSION: Decreased serum irisin concentrations are associated with the presence and severity of OSAS.
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