Key result
Late allograft valve failure is influenced by various mechanisms, with evidence suggesting an immunological cause for dysfunction that limits long-term durability, particularly in children.
Why the study?
What are the mechanisms and factors influencing late allograft valve failure?
What are the mechanisms and factors influencing late allograft valve failure?
Understanding the immunological mechanisms of late allograft valve failure may lead to modifications that improve the long-term durability of these valves, particularly in children.
May support immunomodulatory strategies in pediatric allograft recipients; leaves open prospective validation before practice change.
Allograft valves are a valuable valve replacement substitute in the surgical management of heart valve disease. It remains the valve substitute of choice in the reconstruction of the right ventricular outflow tract in children with congenital heart disease and in the Ross procedure. However, its durability remains suboptimal, particularly in children. This article reviews the mechanisms and factors implicated in late allograft dysfunction, with a focus on the evidence for an immunological cause for allograft valve failure. Unravelling the mechanisms of allograft valve failure may allow modification of the allograft to improve its long-term durability.
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Yap et al. (2004) conducted a review in Heart valve disease. Allograft valves was evaluated on Late allograft valve failure. Late allograft valve failure is influenced by various mechanisms, with evidence suggesting an immunological cause for dysfunction that limits long-term durability, particularly in children.
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