Left atrial strain predicts the rhythm outcome in patients with persistent atrial fibrillation undergoing left atrial cryoablation during minimally invasive mitral valve repair.

The multivariate logistic regression analysis revealed that LA strain ( p < 0.001; OR: 3.71; 95% CI 1.29–12.65) and AF duration ( p = 0.017; OR 2.01; 95% CI 1.33–5.19) were statistically significant predictors for freedom from AF at 12 months, whereas LA volume ( p = 0.344), sex ( p = 0.486), age ( p = 0.166), coronary artery disease ( p = 0.836), and additional TVR ( p = 0.195) did not reach statistical significance ( Table 3 ).

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