Anomalous drainage of persistent left superior vena cava to the left atrium: Case series and literature review

Abstract

Persistent left superior vena cava (PLSVC) draining into the coronary sinus is not uncommon, but to the left atrium is a rare condition. Such anomaly may be a cause of unexplained hypoxia in all age groups. It is often diagnosed accidentally during cardiovascular diagnostic work-up or in a contest of other cardiac investigations. We report two cases of these rare PLSVC associations with subsequent medical and surgical management.