Sleep Disorders: Sleep Disorders II |

The Long-Term Compliance With CPAP in Patients With OSA FREE TO VIEW

Qian Wang; Qiong Ou, MD
Author and Funding Information

Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangdong Province Geriatrics Institute, Guangzhou, China

Copyright 2016, American College of Chest Physicians. All Rights Reserved.

Chest. 2016;149(4_S):A571. doi:10.1016/j.chest.2016.02.596
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SESSION TITLE: Sleep Disorders II

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Saturday, April 16, 2016 at 11:45 AM - 12:45 PM

PURPOSE: The aim of the study is to explore the OSA patients’ CPAP therapy compliance, and the factors of effect the compliance.

METHODS: This is a prospective study, we have followed-up a group of OSA patients with CPAP therapy to know the long-term adherence and the influencing factors. The study include the patient's clinical signs and symptoms, such as height, weight, blood pressure, daytime sleepiness, personal history, lifestyle and, CPAP objective compliance, etc.

RESULTS: The study recruited subjects from May 2009 to October 2009, 77 patients with OSA with CPAP therapy. There is 67 cases of men (87.0%); Women in 10 cases (13.0%). The average age is 61.61±7.22 years old. AHI is 28.89±15.86 times/h, ODI is 25.90 ±13.51 times/h. At the end of follow-up, the observation time is 3.2±1.2 years. Except 1 case died, 1 case lost to follow-up, 11 cases halfway down, a total of 64 patients who included in on long-term family CPAP treatment of patients with complete follow-up, CPAP treatment time is 4.81±1.66 hours. Machine more than 4 hours per night for adherence to good standards, adherence to good is 43 cases, accounting for 67.2%; Poor adherence of 21 cases, accounting for 32.8%. Relatively poor compliance and good compliance of two groups of patients with symptoms, signs, AHI, average lowest SaO2, SaO2, differences were no significant difference (P > 0.05), and compare the two groups of pressure titration results show that good compliance group 5.89±1.28 h per night, poor compliance group 5.03±1.37 h per night, good adherence to treatment time is higher than the poor group (P < 0.05). Analysis of CPAP therapy trend of long-term adherence, the result shows: the good compliance group in the treatment of the first three months increased, then outer-plane changes. Analysis results showed that patients with midway stop of 3 cases of incomplete pressure titration, 8 cases of the shortest time for 3 months, the longest 3 years, the average time of 22.88±12.82 months. Main reasons for give up treatment are insomnia, unadapt and local irritation symptoms.

CONCLUSIONS: Patients with OSA with CPAP treatment adherence is 67.2%, the initial treatment time affect the long-term adherence. While gender, age, BMI, blood pressure, average AHI, ODI, SaO2, lowest SaO2, ESS score had no significant difference in the long-term adherence.

CLINICAL IMPLICATIONS: The first three month is the key point to increase patients long-term compliance. The main reasons for give up treatment are insomnia, unadapt and local irritation symptoms.

DISCLOSURE: The following authors have nothing to disclose: Qian Wang, Qiong Ou

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