Hanke, T.

patient autograft aortic homograft ross procedure reoperation valve technique procedure regurgitation ross operation study replacement value diameter operation group follow-up reinforcement annulu thorac signi sinotubular junction sc technique population junction adult sinotubular dimension result aortic valve replacement increase heart dilatation surgery implantation center z values sinus ann thorac surg reintervention root replacement table aortic regurgitation neoaortic aortic root model registry children gradient aortic insuf ficiency grade germany development ficant failure echocardiographic subcoronary hazard disease german-dutch ross registry root reinforcement aortic valve disease swets subs service circulation figure charito bicuspid aortic valve root replacement technique donor signi ficantly aortic root dimensions intervention z value autograft function homograft regurgitation endocarditi analysis range autograft reoperation