Key result
Tricuspid annulus diameter was independently associated with significant tricuspid regurgitation in patients with persistent atrial fibrillation (OR 1.1 per mm), with a BSA-indexed cutoff of 23 mm/m2 providing the best predictive value.
Why the study?
With the growing prevalence of AF, concomitant atrial functional tricuspid regurgitation is increasing, but its incidence and association with tricuspid valvular deformation in persistent AF remained to be elucidated.
Population
344 patients with persistent AF undergoing 2-dimensional echocardiography
Comparison
Significant TR (≥ moderate) vs non-significant TR
Design
Retrospective study
Authors
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Significant atrial FTR affects ~25% of persistent AF patients; leaves open whether TA dilatation drives progression.
Cross-Sectional (n=344)
No
Odds Ratio: 1.1 (95% CI 1.01–1.26)
p-value: p=0.03
In patients with persistent atrial fibrillation without left heart disease, nearly 25% have significant functional tricuspid regurgitation, which is strongly associated with BSA-corrected tricuspid annular dilation.
Yamamoto et al. (2022) conducted a cross-sectional in Persistent atrial fibrillation (n=344). Tricuspid annulus diameter was evaluated on Presence of significant (≥ moderate) tricuspid regurgitation (OR 1.1, 95% CI 1.01-1.26, p=0.03). Tricuspid annulus diameter was independently associated with significant tricuspid regurgitation in patients with persistent atrial fibrillation (OR 1.1 per mm), with a BSA-indexed cutoff of 23 mm/m2 providing the best predictive value.
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