How do you determine the feasibility of doing a valve-in-valve for patients requiring AVR with index surgical aortic valve replacement?  

The feasibility of doing a valve-in-valve TAVR for patients with preexisting SAVR all rests on a high-quality CT pre-planning analysis. a good high-quality study will reveal important information regarding the primary access approach for the TAVR, coronary heights, sinus widths, valve-to-coronary di...