Effects of continuous positive airway pressure on elderly patients with obstructive sleep apnea: a meta-analysis
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Objective: the aim of the study was to evaluate the efficacy of continuous positive airway pressure (CPAP) for the treatment of obstructive sleep apnea in the elderly. Method: a comprehensive search for qualified clinical trials was performed on April, 2016. Basic demographic information of enrolled subjects, study design, survival rate, cardiovascular events, quality of life scores, and neurocognitive data were extracted for analysis. Results: A total of seven clinical trials were included in this meta-analysis, in which untreated elderly patients exhibited worse survival rate than those with CPAP (OR=2.22, 95% CI=1.64 to 3.01, P< 0.00001). Treated elderly patients exhibited less cardiovascular risk than those without CPAP (RR=0.49, 95% CI=0.36 to 0.66, P<0.00001) and a statistically significant improvement on all the domains of Quebec Sleepiness Questionnaire, supported by pooled weighted mean difference. Furthermore, CPAP treatment partially improved the cognitive functions. Conclusion: CPAP treatment achieves improvements in decreasing mortality and controlling cardiovascular events and exhibits few effects on neurocognitive function. Further large-scale, well-designed interventional investigation is needed.
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Yan, Binhong ; Jin, Yongmei ; Hu, Yi ; Li, Shu ; Effects of continuous positive airway pressure on elderly patients with obstructive sleep apnea: a meta-analysis, Med Sci (Paris), , Vol. 34, N° HS ; p. 66-73 ; DOI : 10.1051/medsci/201834f112