Key result
A higher E/A ratio was an independent predictor of early atrial fibrillation recurrence after catheter ablation (OR 2.905; 95% CI 1.072-7.870; P=0.036), but did not influence late rhythm outcome.
Why the study?
Do echocardiographic parameters associated with left ventricular diastolic dysfunction predict early and late atrial fibrillation recurrence after catheter ablation in patients with paroxysmal or persistent AF?
Cohort (n=124)
Do echocardiographic parameters associated with left ventricular diastolic dysfunction predict early and late atrial fibrillation recurrence after catheter ablation in patients with paroxysmal or persistent AF?
Odds Ratio: 2.905 (95% CI 1.072–7.87)
p-value: p=0.036
An impaired mitral inflow pattern (higher E/A ratio) predicts early, but not late, atrial fibrillation recurrence following catheter ablation.
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May inform early post-ablation monitoring; hypothesis-generating for diastolic parameters' role in AF recurrence and requires prospective validation.
Kosiuk et al. (2014) conducted a cohort in Atrial fibrillation (n=124). Echocardiographic parameters of left ventricular diastolic dysfunction was evaluated on Early atrial fibrillation recurrence (ERAF) (OR 2.905, 95% CI 1.072-7.870, p=0.036). A higher E/A ratio was an independent predictor of early atrial fibrillation recurrence after catheter ablation (OR 2.905; 95% CI 1.072-7.870; P=0.036), but did not influence late rhythm outcome.
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