Aortic Stenosis Progression, Cardiac Damage, and Survival: Comparison Between Bicuspid and Tricuspid Aortic Valves.
2021
Abstract Objectives This study sought to compare aortic stenosis (AS) progression rates, AS-related cardiac damage (AS-CD) indicator incidence and determinants, and survival between patients with tricuspid aortic valve (TAV)-AS and those with bicuspid aortic valve (BAV)-AS. Background Differences in AS progression and AS-CD between patients with BAV and patients with TAV are unknown. Methods We retrospectively studied consecutive patients with baseline peak aortic valve velocity (peakV) ≥2.5 m/s and left ventricular ejection fraction ≥50%. Follow-up echocardiograms (n = 4,818) provided multiparametric AS progression rates and AS-CD. Results The study included 330 BAV (54 ± 14 years) and 581 patients with TAV (72 ± 11 years). At last echocardiogram (median: 5.9 years; interquartile range: 3.9 to 8.5 years), BAV-AS exhibited similar peakV and mean pressure gradient (MPG) as TAV-AS, but larger calculated aortic valve area due to larger aortic annulus (p Conclusions In this cohort, TAV-AS and BAV-AS progression rates were similar. Rapid progression did not affect survival and was determined by cardiac risk factors for BAV-AS (particularly in patients with BAV
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