Key result
Novel valve-sparing root replacement using three internal Dacron skirts preserves Valsalva geometry and stabilizes the annulus.
Why the study?
An alternative valve-sparing technique is needed that combines advantages of reimplantation and remodeling while preserving Valsalva sinuses anatomy and stabilizing the annulus.
This paper describes a novel surgical technique for aortic valve-sparing root replacement designed to preserve the physiological anatomy of the Valsalva sinuses and prevent future annulus dilation.
This inside-out Dacron skirt technique may preserve sinus dynamics without commissural displacement; leaves open durability and outcomes versus established methods.
We present an alternative idea for valve-sparing technique combining the advantages of the reimplantation and the benefits of the remodeling techniques. We replace the sinuses of Valsalva using three Dacron skirts from inside of the aorta. The physiological anatomy of the Valsalva sinuses and their dynamic properties are preserved and the aortic commissures displacement avoided. The distal rim of each Dacron skirt was anchored to the aorto-ventricular junction using Ticron (2-0) U stitches placed from the ventricular side to the aortic side. We stabilize the base of the aortic annulus to prevent future dilation.
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Ruvolo et al. (2008) studied this question. Aortic valve-sparing root replacement using three Dacron skirts was evaluated. A novel aortic valve-sparing root replacement technique using three Dacron skirts from inside the aorta was described to preserve Valsalva sinus geometry and stabilize the annulus.
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