Key result
Bicuspidization of the regurgitant unicuspid aortic valve resulted in 80% freedom from reoperation and 92% freedom from valve replacement at five years.
Why the study?
Does bicuspidization repair prevent reoperation and valve replacement in patients with regurgitant unicuspid aortic valves?
Observational
Does bicuspidization repair prevent reoperation and valve replacement in patients with regurgitant unicuspid aortic valves?
Bicuspidization of regurgitant unicuspid aortic valves using autologous pericardium is a feasible repair technique with 92% freedom from valve replacement at five years.
Unicuspid anatomy of the aortic valve is an infrequent variant, but may require surgery early in life for regurgitation. We have developed a repair technique that converts the unicuspid into a bicuspid aortic valve and is applicable in most patients. The repair strategy focuses on the creation of a symmetric bicuspid aortic valve with two normal commissures. Abnormal cusp tissue is divided or partially resected. Using autologous pericardium the cusps are augmented and a second normal commissure created. We have been able to use this approach in all regurgitant unicuspid aortic valves. Freedom from reoperation at five years is 80%, freedom from valve replacement at five years is 92%.
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Aicher et al. (2010) conducted an observational in Regurgitant unicuspid aortic valve. Bicuspidization repair technique was evaluated on Freedom from reoperation at five years. Bicuspidization of the regurgitant unicuspid aortic valve resulted in 80% freedom from reoperation and 92% freedom from valve replacement at five years.
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