Table 2.

Criteria favoring TAV-in-TAV vs. TAVR explantation.

	TAV-in-TAV	TAV explantation
Age	✔	✖
Comorbidities	✔	✖
High surgical risk	✔	✖
Risk of patient-prosthesis mismatch	✖	✔
Porcelain aorta	✔	✖
Ascending aortic aneuvrysm	✖	✔
Another concomitant procedure	✖	✔
Anatomical factors
Annular size (small index valve)	✖	✔
High coronary obstruction risk	✖	✔
Bioprosthetic valve dysfunction type
SVD	✔	✖
Severe PPM	✖	✔
Severe PVL	✖	✔
Endocarditis	✖	✔
Thrombosis	✖	✔