surgical treatment of partial agenesis of the left pericardium

introduction the pericardial agenesis is a rare congenital anomaly. classified as partial or total being asymptomatic in most cases, but some patients are at risk for serious complications and death, and these have indication for surgical treatment. case presentation this paper describes the case of a 21 year old patient, with atypical precordial pain, diagnosed with agenesis of the left pericardium confirmed by cardiac magnetic resonance imaging (mri), in which a surgical correction was performed, by means of a neopericardium with bovine pericardial patch. discussion follow-up in immediate post-operative period showed that the patient had no complications and clinical improvement, and after 15 months, a new mri showed a normal cardiac image.