Key result
Left atrial mechanical dispersion was a significant predictor of paroxysmal atrial fibrillation (OR 7.84; 95% CI 2.15-28.7; P<0.01 per 10 ms increase).
Why the study?
Does left atrial mechanical dispersion assessed by strain echocardiography predict recurrence of atrial fibrillation after radiofrequency ablation in patients with paroxysmal AF?
Observational (n=81)
Does left atrial mechanical dispersion assessed by strain echocardiography predict recurrence of atrial fibrillation after radiofrequency ablation in patients with paroxysmal AF?
Odds Ratio: 7.84 (95% CI 2.15–28.7)
p-value: p=<0.01
Left atrial mechanical dispersion assessed by strain echocardiography is a strong predictor of atrial fibrillation recurrence after radiofrequency ablation in patients with paroxysmal AF and preserved LA size.
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May support post-ablation risk stratification in paroxysmal AF; leaves open prospective validation before clinical use.
Sarvari et al. (2015) conducted an observational in Paroxysmal atrial fibrillation (n=81). Left atrial mechanical dispersion vs. Lower left atrial mechanical dispersion was evaluated on Paroxysmal atrial fibrillation (OR 7.84, 95% CI 2.15-28.7, p=<0.01). Left atrial mechanical dispersion was a significant predictor of paroxysmal atrial fibrillation (OR 7.84; 95% CI 2.15-28.7; P<0.01 per 10 ms increase).
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