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Ann Thorac Surg 1976;22:239-244
© 1976 The Society of Thoracic Surgeons

Articles

Use of the Doubly Tapered Graft for the Creation of a Systemic-Pulmonary Arterial Shunt

Nina S. Braunwald, M.D.*, Aldo R. Castaneda, M.D.

Department of Cardiac Surgery, Children's Hospital Medical Center, Boston, MA.

Accepted for publication March 2, 1976.

* Address reprint requests to Dr. Braunwald, Peter Bent Brigham Hospital, 721 Huntington Ave, Boston, MA 02115.

It is now possible to construct vascular grafts of expanded polytetrafluoroethylene having complex configurations. In this series of experiments a double tapered graft was used to create a bypass shunt between the aorta and the pulmonary artery in rhesus monkeys and between the aorta and the iliac artery in dogs. When the synthetic material was placed under a slight degree of tension, a high degree of patency was achieved in animals killed three to six months following implantation.

The use of this approach in neonates with cyanotic congenital heart disease necessitating the creation of systemic-pulmonary artery shunts is suggested as a new method to achieve a controlled lumen size and an increased patency rate, while simultaneously decreasing the incidence of congestive heart failure or of late stricture of the pulmonary artery.






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Copyright © 1976 by The Society of Thoracic Surgeons.