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Circulation, Vol 65, 953-955, Copyright © 1982 by American Heart Association

ARTICLES

Improved visualization of aortopulmonary collateral arteries by abdominal aortic compression during angiography

JN Moll, MA Santos, C Drumond, N Romao, M Murad and NB Reis

Increased filling of aortopulmonary collateral arteries occurs when the descending aorta is obstructed distal to their origin. We used this fact to develop a simple, safe technique for improving angiographic visualization of these arteries. The abdominal aorta is manually compressed against the spine during injection of contrast medium. A slight reflex bradycardia resulted, which probably also enhanced filling of the collateral arteries. In eight infants and children with either pulmonary atresia and a ventricular septal defect or truncus arteriosus communis, excellent visualization was consistently achieved without complication.