Transcatheter aortic valve replacement (TAVR) has become the treatment of choice in patients with symptomatic severe aortic stenosis at high and intermediate surgical risk. Multislice computed tomography (MSCT) is the gold standard for cardiac three-dimensional reconstruction, device sizing, identification of the perpendicular view angulation, and calcium-related risk stratification prior to TAVR.
A pronounced horizontal aorta (HA) >48° was reported to influence acute procedural success adversely in self-expanding but not balloon-expandable TAVR1. Also, patients with aortic angulation (AA) >70° are usually excluded from clinical trials with self-expanding TAVR2.
Even though Di Stefano et al3 demonstrated in ...
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