Transarterial pulmonary venous wedge arteriography in pulmonary atresia, ventricular septal defect, and intact atrial septum

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Abstract
Transarterial pulmonary venous wedge arteriography was performed in four cases of pulmonary atresia (PA), ventricular septal defect (VSD), and intact atrial septum. In two cases, only the left pulmonary artery was visualized by selective injection to the patent ductus arteriosus (PDA) or Blalock‐Taussig anastomosis (B‐T shunt), and the right pulmonary artery was opacified by transarterial retrograde pulmonary arteriography. In two other cases, with nonfunctioning B‐T shunt, the pulmonary artery was not opacified by either aortography nor by injection into the B‐T shunt. Transarterial pulmonary vein wedge arteriography visualized a confluent pulmonary artery. Transarterial pulmonary vein wedge arteriography was a useful and safe procedure for opacifying the pulmonary artery that could not be visualized antegradely in VSD, PA, and intact atrial septum.