Journal of Sleep Sciences 2017. 2(1-2):13-19.

Evaluation of Compliance with Continuous Positive Airway Pressure in Patients with Obstructive Sleep Apnea Syndrome
Abolhasan Halvani, Farnoosh Ebadi, Amir Houshang Mehrparvar, Mohammad javad Zare Sakhvidi, Raziyeh Soltani Gerdfaramarzi, Mehrdad Mostaghaci


Background and Objective: Obstructive sleep apnea syndrome (OSAS) is a breathing disorder during sleep and de-fined as unexplained sleepiness during the day, with a minimum of five obstructive respiratory events per hour of sleep. This study aimed to evaluate the compliance to continuous positive airway pressure (CPAP) in patients with OSAS.

Materials and Methods: This cross-sectional study was conducted on OSAS patients whose polysomnography test was performed at least 1 year before, and CPAP was prescribed for them. Apnea–hypopnea index (AHI) and patients’ demographic information were recorded.

Results: This study included 105 patients with OSAS. The mean AHI score was 40. Patients were distributed into three groups according to their AHI: Mild (5 ≤ AHI < 15): 20 patients (19%), moderate (15 ≤ AHI < 30): 25 patients (23.8%), and severe (AHI ≥ 30): 60 patients (57.1%). Patients were divided into three groups based on their use of CPAP: 27 (25.7%) patients were regular users of CPAP, their time average use was 5.4 hours a day; 11 (10.4%) patients were in the group who stop using their CPAP, their average of time use was 6.4 hours a day; and 67 (63.8%) patients were in the group who did not use the CPAP.

Conclusion:The long-term adherence to CPAP in patients with OSAS was 25%, which correlated significantly with their financial situation, while there was no significant association between the use of CPAP with age, sex, educational status, and the severity of sleep apnea.


Obstructive sleep apnea syndrome; Continuous positive airway pressure; Polysomnography

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