Hübler, M.

homograft patient autograft ross operation value regurgitation operation aortic children diameter thorac sinus sinotubular junction study gradient z values signi follow-up junction sinotubular increase implantation neoaortic valve dimension annulu ross procedure ross-operation reoperationen procedure dilatation donor echocardiographic heart signi ficantly z value grade homograft regurgitation reoperation development analysis measurement colleague ficant werden einer result kindern growth al homograft performance aortic regurgitation neoaortic root dimensions ficantly model bergang sinutubul donor age donor gender department conduit patienten center population aortic root dimensions surgery jahre discussion neoaortic root wurden fluencing factors homograft gradient factor technique reintervention performance germany neoaortic root dilatation homograft performance signi ficant increase neoaortic root diameters