The phenotypic and polysomnographic features of REM related obstructive sleep apnea syndrome patients

Önder Öztürk, Oguz Celik, Ahmet Akkaya

2015

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DOI 10.1183/13993003.congress-2015.pa2362
Data confidence 70 medium
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Abstract

Aim: We aimed to investigate the phenotypic and polysomnographic differences between REM related OSAS and OSAS patients. Materials and Methods: The data of 680 patients admitted to our sleep laboratory between 2005-2013 years were examined retrospectively and 386 of them were enrolled into the study. The diagnosis of OSAS and REM related OSAS were made by AASM criteria. The polysomnographic data, the demographic properties (waist and neck circumference, body mass index) and the comorbidities were recorded. The patients were divide into three groups; Group 1. OSAS, Group 2:REM related OSAS and Group 3:Control group. Results: The REM related OSAS was constituted 10,6% of all OSAS patients. REM related OSAS patients were more shorter and weaker than OSAS patients and their neck and waist circumference was found to be thinner. However they were older than OSAS patients. The polysomnographic parameters of REM related OSAS patients were not statistically different from OSAS patients. But the duration of apnea-hypopnea in REM and NREM and AHI of REM related OSAS patients were statistically different from the OSAS patients (p<0.05). The number patients found in mild to moderate OSAS stage were as same as the number of patients found in severe stage. The comorbidities were not much seen in REM related patients as seen in OSAS patients. However the most seen comordity in REM related OSAS patients was Diabetes Mellitus (31.25%) Conclusion: A significant deterioration in sleep architecture was not seen in REM related OSAS may be thought as “an early stage of sleep disordered breathing”.If it is not treated, it will progress to OSAS and/or the occurance of Diabetes Mellitus is possible.