ArticleFrontiers in cardiovascular medicine2026
Left atrioventricular coupling index assessed by cardiac CT as a predictive marker for atrial fibrillation recurrence after ablation.
Article in Frontiers in cardiovascular medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Three-Dimensional Left Atrial Geometry in Atrial Fibrillation: Imaging Biomarkers, Substrate Phenotyping, and Ablation Outcome Prediction.Diagnostics (Basel, Switzerland) · 2026Review
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3 authors.
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Abstract
Background: The left atrioventricular coupling index (LACI) is a significant predictor of cardiovascular events, heart failure, and atrial fibrillation (AF). However, its predictive efficacy for AF recurrence after ablation remains underexplored. Objectives: This study aimed to evaluate the predictive value of LACI, assessed by cardiac computed tomography (CT), for AF recurrence following ablation. Methods: We performed a retrospective analysis of 130 AF patients who underwent cardiac CT before ablation at our institution from January 2019 to March 2021. LACI, defined as the ratio of left atrial to left ventricular volume during diastole, was analyzed using multivariate binary logistic regression to determine its association with AF recurrence. Kaplan-Meier survival curves assessed the duration of asymptomatic survival post-ablation. Results: At 18 months, 29.2% (38/130) of patients experienced recurrence. Patients with recurrence had significantly higher LACI compared to those without (129.56 ± 48.02% vs. 84.58 ± 28.78%, Conclusion: LACI is a strong and independent predictor of AF recurrence post-ablation, offering superior risk discrimination over traditional left atrial and left ventricular parameters, thereby enhancing the clinical utility of cardiac CT before AF ablation.
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