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Sutureless and rapid deployment (SURD) aort ic bioprostheses were developed in parallel with transcatheter heart valves (THV), to simplify surgical aortic valve replacement (AVR) in complex scenarios like minimally invasive AVR, AVR in the heavily calcified aortic annulus/ root, and AVR in the small aortic annulus. SURD valves share some advantageous features with both sutured aortic bioprostheses (removal of the native valve, decalcification of the annulus, controlled deployment under direct visual control) and transcatheter valves [no need to stitch the annulus, increased effective orifice area due to the absence of pledgets and the mechanical thrust exerted by the inflow stent on the left ventricular outflow tract (LVOT)], and have been shown to be useful and effective in several specific contexts (1).

CT based sizing may reduce pacemaker implantation and paravalvular leaks after sutureless and rapid deployment valve implantation