A heart valve replacement is provided including a tubular body portion having a proximal end, a distal end and a central portion arranged between said proximal and distal ends, defining a longitudinal direction of the valve replacement and having an inner wall region; a valve having at least one leaflet attached to the inner wall region of the central portion, each one of said leaflets being movable between a closing position and an opening position of the valve, wherein the tubular body portion is fabricated from a combination of a biostable polymer and a biodegradable biomaterial adapted to allow in-growth of tissue of the host and to increase its size concomitantly with surrounding organ structures of a host, and wherein the valve is fabricated of a biostable polymer connected to the biostable polymer of the tubular body portion.