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Circulation, Vol 54, 684-688, Copyright © 1976 by American Heart Association

ARTICLES

Continuous murmur following Mustard operation for transposition of the great arteries. A sign of pulmonary venous obstruction

SC Park, FH Weiss, RD Siewers, WH Neches, JR Zuberbuhler and CC Lenox

Three patients developed severe pulmonary venous obstruction following Mustard operation for transposition of the great arteries. Each patient had a soft continuous murmur with distinct diastolic accentuation at the low left sternal border or xiphoid area. Simultaneous recording of intracardiac sound and pressure in one patient showed that the murmur originated at the site of obstruction in the surgically-constructed pulmonary venous atrium. Selective cineangiograms demonstrated the baffle to be the cause of the obstruction. A continuous murmur in a patient following Mustard operation may suggest significant pulmonary venous obstruction.