Tanke, R.

homograft balloon dilatation balloon dilatation procedure pressure patient replacement systolic study gradient right valve stenosi month deviation re-intervention result millimetre valve replacement effect implantation factor right ventricle percutaneou reduction group 40 procedures homograft replacement conduit homograft stenosis mercury ratio 1 year cardiology range children regurgitation valve implantation intervention treatment balloon dilatation – ventricle number catheterisation series longevity calcification balloon dilatations outcome 50 millimetres table heart balloon size university success artery center department location stenotic 2 years position tricuspid regurgitation gradient stenotic homografts range 0 months bonhoeffer p follow-up homograft dilatation radboud university nijmegen netherland homograft /balloon ratio postponement surgery 5 years indication percutaneous implantation porcine bioprosthetic valves report stent