Evaluation of testosterone serum levels in patients with obstructive sleep apnea syndrome

AbstractMales with obstructive sleep apnea syndrome (OSAS) may present decreased testosterone serum levels because of hypoxemia.Aim: To correlate testosterone levels in OSAS patients with laboratory parameters.Material and methods: 103 registries of OSAS patients were reviewed from 2002 to 2009. The following data collected: age when polysomnography was done, hematocrit and hemoglobin levels, total testosterone serum levels, BMI, apnea/hypopnea index (AHI), and O2 saturation.Study Design: A cross-sectional retrospective case study.Results: 79 patients (77%) had no hormonal changes, and 24 patients (23%) had decreased serum levels. In patients with normal testosterone levels, 70% were overweight; 63% with altered testosterone levels had obesity grade I (p