Early degeneration of porcine xenograft valves in pediatric patients who have undergone apico-aortic bypass.


The glutaraldehyde-preserved stented porcine xenograft valve has been durable in adult patients with a low incidence of valve-related complications. In children, however, early degeneration and calcification of this valve is now being reported. The etiology of the early degeneration is still unclear but may be related to calcium metabolism, tissue fatigue… (More)


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