Quality of life and metabolic disorders in patients with obstructive sleep apnea
Clinical and Investigative Medicine,  Clinical Article

Bulcun E et al. – The impact of obstructive sleep apnea (OSA) on quality of life can be attributed to excessive daytime sleepiness. Obesity and metabolic disorders in patients with OSA may also negatively affect the quality of life.

Methods
  • Complete assessments were obtained on 111 subjects who diagnosed OSA and 18 nonapneic snoring subjects.
  • Fasting blood samples of all of subjects were taken to determine insulin resistance (IR) and oral glucose tolerance tests were performed to diagnose disorders of glucose metabolism (DGM).
  • Quality of life, with short form (SF)–36, and excessive daytime sleepiness, with epwort sleepness scale (ESS), were evaluated.

Results
  • The mean age of the patients with OSA was higher than that of the nonapneic snoring subjects (48.4 ± 9.6 years and 43.0 ± 11.8 years, respectively; p=0.03).
  • BMI was also significantly higher in the patients with OSA than in the nonapneic snorers (31.0 ± 4.5 and 27.1 ± 4.0, respectively; p=0.001).
  • The mental health component in the patients with OSA was slightly but not significantly lower than the nonapneic snoring subjects (p=0.05).
  • A negative correlation among most domains of quality of life with scores of ESS, body mass index (BMI), presence of hypertension (HT) and DGM was found.
  • Only physicial functioning was negatively correlated with apnea hypopnea index (AHI).
  • In linear regression analysis, there were negative associations among physical functioning with BMI, presence of HT and DGM while there was no association between physicial functioning and AHI.
  • In addition, there were negative correlations between mental health component with BMI and presence of HT in the multivariate analysis.
  • Obese patients with OSA had lower physicial and mental components compared with nonobese patients with OSA.

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