Key result
Tricuspidization via single-cusp replacement restores competent aortic valve function and low gradients in an adolescent.
Why the study?
Unicuspid aortic valves in adolescents often present with combined stenosis and regurgitation but frequently retain enough native tissue for reconstructive repair.
Does tricuspidization using selective single-cusp replacement improve valve function in an adolescent with a unicuspid aortic valve?
Case Report (n=1)
Does tricuspidization using selective single-cusp replacement improve valve function in an adolescent with a unicuspid aortic valve?
Tricuspidization using selective single-cusp replacement with autologous pericardium is a feasible, growth-preserving strategy for unicuspid aortic valves in adolescents.
May support growth-preserving repair in select adolescents; leaves open durability and need for prospective studies.
Unicuspid aortic valves in adolescents frequently present with combined stenosis and regurgitation but often retain sufficient native tissue to allow reconstructive repair. We present a tricuspidization technique based on selective replacement of a dysplastic cusp with autologous pericardium and creation of two neocommissures to restore symmetric leaflet closure. The operation converts a functionally unicuspid valve into a tricuspid configuration while preserving native leaflet tissue. In the presented case, the repair resulted in competent valve function with low transvalvular gradient at follow-up. This technique may serve as a growth-preserving strategy to postpone definitive valve replacement in selected paediatric patients.
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Kozyrev et al. (2026) conducted a case report in Unicuspid aortic valve (n=1). Tricuspidization using selective single-cusp replacement with autologous pericardium was evaluated on Valve function and transvalvular gradient. Tricuspidization of a unicuspid aortic valve using selective single-cusp replacement resulted in competent valve function with a low transvalvular gradient at follow-up in an adolescent patient.
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