I may be speaking from 7-8 years ago when we were still in the dawn of TAVIs but the cardiothoracic surgeons I worked with generally put tissue valves in <50, a

I may be speaking from 7-8 years ago when we were still in the dawn of TAVIs but the cardiothoracic surgeons I worked with generally put tissue valves in <50, as TAVIs last less. So tou could do tissue valve, plan for a TAVI later, then probably something new will be there next time they need one