Key result
TAVR carries a 0.8% risk of severe coronary obstruction requiring pre-procedural CT planning.
Coronary obstruction is a rare (0.8% incidence) but severe complication of TAVR valve-in-valve procedures, highlighting the importance of pre-procedural CCTA planning.
Supports pre-procedural CCTA planning for rare post-TAVR obstruction; leaves open prospective validation of mitigation strategies.
Coronary obstruction (CO) after transcatheter aortic valve replacement (TAVR) valve-in-valve (VIV) is a rare, albeit severe, complication. Pre-procedural planning with Cardiac CT Angiography (CCTA) is crucial for identifying risk factors. However, the incidence of CO after TAVR over the past decade remains 0.8% 1 .
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Corso et al. (2026) studied this question. Transcatheter aortic valve replacement carries a 0.8% incidence of coronary obstruction over the past decade, a rare but severe complication requiring pre-procedural CT planning.
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