Korean Circ J.  1993 Aug;23(4):609-613. 10.4070/kcj.1993.23.4.609.

A Case of Persistent Left SVC Associated with Tricuspid Regurgitation


A persistent left superior vena cava is the most common anomaly of the superior caval system. Usually the persistent left superior vena cava is connected with the right atrium via the coronary sinus, resulting in no physiologic derangement : however in 7 to 8 percents of the patietns with a persistent left superior vena cava, the anomalous vessel communicates with the left atrim. In the absence of obstruction to the flow from the left atrium to the left ventricle. this anatomic situation usually results in right to left shunting of varying degress. We recently experienced a case of persistent left superior vena cava in a 52-year-old female who complained of chest discomfort, epigastric pain and dyspnea(NYHA functional class II). Cine-angiography showed that the contrast passed from the left SVC through the dilated coronary sinus into right atrium. And right sided SVC was not seen. The patient was treated with conservative measures and discharged with improved condition.


Superior vena cava; Tricuspid regurgitation

MeSH Terms

Coronary Sinus
Heart Atria
Heart Ventricles
Middle Aged
Tricuspid Valve Insufficiency*
Vena Cava, Superior
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