Key result
Pressure recovery incompletely explains post-TAVR discordance between Doppler and invasive gradients.
Hemodynamic study examines gradient discordance in post-TAVR aortic stenosis patients, indicating pressure recovery may not fully explain echo-invasive differences.
In aortic stenosis (AS), discordance between Doppler echocardiographic and invasively measured transvalvular gradients is frequently observed and commonly attributed to pressure recovery (PR). However, the extent to which PR explains echo–invasive gradient discordance after TAVR remains uncertain.
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Calamita et al. (2026) studied this question. Pressure recovery's extent in explaining the discordance between Doppler echocardiographic and invasively measured transvalvular gradients after TAVR remains uncertain.
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