Novel insights by 4D Flow imaging on aortic flow physiology after valve-sparing root replacement with or without neosinuses†

Abstract

Recreation of the sinuses of Valsalva during valve-sparing root replacement is associated with significantly lower wall shear stress and organized vortical flows at the level of the sinus that are not evident using the straight tube graft. These findings need confirmation in larger studies and could have important implications in terms of aortic valve durability.