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BACKGROUND: Continuous positive airway pressure (CPAP) is the most effective treatment for moderate to severe obstructive sleep apnea (OSA). Acceptance of and adherence to CPAP are crucial for optimal treatment outcomes. The aim of this study was to investigate the factors influencing patients' acceptance of and adherence to CPAP treatment. METHODS: One hundred eighty-eight patients with moderate to severe OSA who had received CPAP titration from October 2017 to September 2018 were recruited. They were interviewed at 2 weeks and at 6 months to assess CPAP use and barriers to acceptance and adherence. RESULTS: One hundred fourteen patients (60.6%) accepted CPAP treatment. Disease severity, assessed by apnea-hypopnea index (AHI) (odds ratio OR, 1.05; 95% confidence interval CI, 1.01-1.08), subjective satisfaction of titration (OR, 12.83; 95% CI, 3.83-42.99), initial intention of CPAP therapy (OR, 3.33; 95% CI, 1.05-10.51) and short-term home CPAP trial (OR, 9.40; 95% CI, 2.85-31.08) were associated with acceptance of CPAP treatment. Two-third of the 98 CPAP acceptors reported good CPAP adherence at 6 months follow-up. Average hours of CPAP use per day for the first 2 weeks (OR, 1.88; 95% CI, 1.28-3.04) and the global problems associated with CPAP use (OR, 0.82; 95% CI, 0.73-0.91) were independent predictors of the six-month CPAP adherence. CONCLUSIONS: Nearly 40% of patients with moderate to severe OSA did not accept CPAP treatment, and one-third of those CPAP acceptors had poor adherence to CPAP treatment. Improvement in disease awareness, comfortable titration experience, short-term home CPAP trial may be of help to increase CPAP acceptance and early experience with CPAP is important for long-term adherence. The differences in predicting factors for CPAP acceptance and adherence highlight the importance of focusing on specific aspects during the whole process management of OSA.
Luo et al. (Thu,) studied this question.