0478 Prevalence And Intervention Of OSA In Chinese Civil Servants Undergoing Annual Physical Examination

To investigate the prevalence of OSA among civil servants undergoing annual physical examination, active CPAP intervention was performed in diagnosed OSA patients,provide experience for OSA population control. The method of cluster sampling is adopted, investigate a government official in guangdong province who underwent an annual health check-up between July and December 2017. The survey includes general information, clinical history, living habits (smoking, alcohol consumption, exercise frequency), sleep specific questionnaire, physical examination, OSA screening and diagnosis. Patients diagnosed with OSA were given free CPAP treatment. 1036 subjects (799 males and 237 females) completed the investigation and were included in the analysis. 22.0% (228/1036) were regarded as high-risk OSA (HR-OSA), 72 rejected home sleep test(HST), while 156 received, and 103 diagnosed as OSA. The prevalence of OSA in HR-OSA was 66.0% (103/156), of which mild, moderate, and severe was 40.2% (41/103), 33.3% (35/103), 26.5% (27/103) respectively. The prevalence of OSA was 9.9% (103/1036). 99.1% (226/228) patient in HR-OSA group have never been diagnosed. Free auto CPAP treatment was given to all OSA. Only 55.3% (57/103) patients received initial treatment. 29.8% (17/57) patients gave up in 1 week, the mainly reasons of rejecting further therapy were nose discomfort, insomnia and suffocating feeling. There is a high risk of OSA and a high prevalence of OSA in the annual physical examination of civil servants. Most people have never been diagnosed with OSA, even with free CPAP treatment, the treatment rate was low and compliance was gradually reduced. 1.National Natural Science Foundation of China(NSFC81870077) 2.Public Welfare Research and Capacity Building of Guangdong Province(2016A020216030)