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James L. Sweatt, MD; Charles F. Allen, MD; Kwok-Hay Kwong, MD; Bruce C. Paton, MD

AMA Arch Surg. 1970;101(6):658-662.

Abstract
Aortic valves were transplanted from sheep and pigs into the descending thoracic aortas of nine groups of dogs. The valves were fresh, freeze-dried, or treated with propiolactone. Half the groups received azathioprine. The following conditions led to the best results: (1) transplantation of a minimum of aortic wall with the valve; (2) good initial alignment and movement of the cusps; (3) administration of azathioprine for eight weeks; and (4) support of the graft by a Dacron tube, preventing rupture and separating the graft from ingrowing host tissue.

Author Affiliations
Denver

From the Halsted Laboratory for Experimental Surgery, Department of Surgery, University of Colorado Medical Center, Denver.

Footnotes
Accepted for publication July 30, 1970.

Read before the 18th scientific meeting of the International Cardiovascular Society, Chicago, June 19, 1970.

Reprint requests to Halsted Laboratory for Experimental Surgery, Department of Surgery, University of Colorado Medical Center, Denver 80220 (Dr. Paton).

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