Key result
Non-structural atrial fibrillation was associated with significantly larger indexed tricuspid annulus area compared to controls in sinus rhythm (6.4 vs. 5.0 cm2/m2, P<0.05).
Why the study?
AF is associated with tricuspid annulus dilation in severe functional TR, but its impact in patients without severe TR is less clear.
Is atrial fibrillation associated with tricuspid annular remodelling in patients without severe tricuspid regurgitation?
Observational (n=90)
Is atrial fibrillation associated with tricuspid annular remodelling in patients without severe tricuspid regurgitation?
Absolute Event Rate: 6.4% vs 5%
p-value: p=<0.05
Atrial fibrillation is associated with right atrial and tricuspid annular remodelling independent of left heart disease, even in patients without severe tricuspid regurgitation.
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Larger indexed tricuspid annulus in non-structural AF may influence echocardiographic evaluation; leaves open its role in regurgitation progression.
Ortiz‐León et al. (2020) conducted an observational in Atrial fibrillation without severe tricuspid regurgitation (n=90). Atrial fibrillation vs. Controls in sinus rhythm was evaluated on Indexed tricuspid annulus area in end-diastole (p=<0.05). Non-structural atrial fibrillation was associated with significantly larger indexed tricuspid annulus area compared to controls in sinus rhythm (6.4 vs. 5.0 cm2/m2, P<0.05).
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