ABSTRACTObjective:To evaluate the relation between obstructive sleep apnea (OSA) and left ventricular mass (LVM) in morbid obesity and the influence of gender, menopausal status, anthropometry, body composition, hypertension, and other cardiovascular risk factors in this relationship.Design:Cross-sectional descriptive study.Methods:Polysomnographic and echocardiographic studies were performed in a