CPAP Effect on Lipid Profile and Hyperuricemia in Patients With Dyslipidemia and Moderate-severe Obstructive Sleep Apnea

Inclusion Criteria: * Subjects from 35 to 80 years old * Diagnosis of dyslipidemia. It will be considered as such, the existence of a previous clinical record of a diagnosis of dyslipidemia associated with treatment with lipidlowering agents, treatment with lipid-lowering agents or the presence of an altered blood test in the last two months, using the following cut-off points: total cholesterol ≥ 200 mg/dl, triglycerides ≥ 180 mg/dl, HDL-cholesterol ≤ 40 mg/dl or LDL-cholesterol ≥ 150 mg/dl. * Moderate-severe sleep apnea, defined by AHI \> 15 h-1 . Exclusion Criteria: * Predominance of central apneas-hypopneas, defined as more than 25% of total respiratory events. * Patients with indications for CPAP treatment according to the International Sleep Consensus: hypertensive, excessive daytime sleepiness (Epworth Sleepiness Scale \> 11) or impaired sleep-related quality of life considered relevant by their regular physician. * Professional drivers, at-risk profession or respiratory insufficiency (according to criteria of the clinical pathway for the diagnosis and treatment of sleep-disordered breathing). * Pretreatment with CPAP