Background And Objective: Obstructive sleep apnea (OSA) syndrome can contribute to the development of erectile dysfunction (ED) through multiple mechanisms. The aim was to identify factors influencing the presence of ED in these patients.
Patients And Methods: Cross sectional study in men diagnosed with OSA by polysomnography. We obtained information about demographic variables, apnea-hypopnea index (AHI), comorbidity, blood pressure, drugs, Epworth Sleepiness Scale, physical examination, electrocardiogram, ankle-brachial index and blood and urine analysis. The presence of ED was assessed by questionnaire IIEF-5.
Results: We included 142 patients, mean age was 53 (11) years. The prevalence of ED was 69%. We found significant differences in AHI between patients with mild and severe ED (41 [21] vs 63 [18], P=.023). ED was associated with hypertension (odds ratio [OR]=3.56 [1.64-7.72]), hypercholesterolemia (OR=7.19 [2.39-21.68]), diabetes mellitus type 2 (OR=3.07 [1.02-9.48]) and ischemic heart disease (OR=1.51 [1.33-1.70]); and treatment with antihypertensive (OR=4.05 [1.76-9.31)], lipid-lowering drugs (OR=9.71 [2.2-22.72]), anti-diabetic drugs (OR=3.21 [0.69-14.89]), antiplatelet and anticoagulant agents (OR=6.44 [1.45-28.64]). After logistic regression analysis, only age (OR=1.11 [1.05-1.16]) and hypercholesterolemia (OR=4.87 [1.49-15.96]) were associated with ED.
Conclusions: Patients with OSA have a high prevalence of ED, mainly in severe OSA. Factors influencing the presence of ED in patients with OSA are primarily age and hypercholesterolemia. Other factors that may be related include hypertension, poor metabolic control, ischemic heart disease, and treatment with antihypertensive, lipid-lowering and anti-diabetic drugs.
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