Case Report (n=1)
A rare case of persistent left superior vena cava draining into the left atrium with a left-to-right shunt exacerbated by bicuspid aortic stenosis was successfully treated with surgical valve replacement and vein ligation.
May support surgical correction of this rare shunt; leaves open optimal strategies without prospective data.
This study demonstrated a rare anomaly of a persistent left superior vena cava draining into the left atrium in a patient with developing left-to-right shunt caused by bicuspid aortic stenosis. The venous system, including the coronary sinus, was otherwise normal. We believe that, in this anatomic situation, a marked increase in left ventricular impedance caused a moderate left-to-right shunt from the left atrium into the left innominate vein. At operation, the aortic valve was replaced with a mechanical prosthesis and the anomalous vein was ligated. The convalescence was uneventful.
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Wang et al. (1998) conducted a case report in Aortic valve stenosis and persistent left superior vena cava communicating with the left atrium (n=1). Aortic valve replacement and ligation of anomalous vein was evaluated.
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