Objective: To know the cardiac malformations frequency associated with esophageal atresia and its type in patients of the Children's Specialties Hospital of Chihuahua as well as related sociodemographic characteristics.
Method: The epidemiology, clinic and evolution of patients with esophageal atresia diagnosis who were admitted to this hospital for a period of two years were studied. Variables such as sex, gestational age, birth weight, Apgar score, atresia type, associated congenital malformations, hospital complications and parental related aspects were analyzed.