Tricuspidization of a unicuspid aortic valve in an adolescent using selective single-cusp replacement

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ID: 328159
2026
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Ranked #27 of 50 articles by views in Multimedia Manual of Cardio-Thoracic Surgery

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Abstract
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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Authors Ivan Kozyrev, Mathieu Vergnat, Philipp Suchowerskyj, Claudia Arenz, Boulos Asfour
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Journal Multimedia Manual of Cardio-Thoracic Surgery
Year 2026
DOI
10.1510/mmcts.2026.063
URL
https://doi.org/10.1510/mmcts.2026.063
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