ArticleCardiovascular diagnosis and therapy2025
Comparative results of pulmonary vein isolation in atrial fibrillation patients undergoing off-pump
Article in Cardiovascular diagnosis and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Coronary artery disease is the second leading cause of death across all age groups, while the prevalence of atrial fibrillation (AF) is increasing in the general population. This situation highlights the significant issue of concomitant surgical treatment for these two conditions. We aimed to investigate the safety and efficiency of pulmonary vein isolation (PVI) and left atrial appendage occlusion (LAAO) as concomitant procedures in patients undergoing off- Methods: This retrospective single-centre cohort included consecutive patients with AF who underwent CABG with concomitant epicardial PVI between December 2021 and November 2024 at Robert Bosch Hospital. Patients without preoperative AF, emergency cases, and those undergoing non-CABG concomitant procedures were excluded. Of 44 included patients, 27 had off-pump CABG (OPCAB) and 17 had on-pump beating-heart CABG. Primary endpoints were sinus rhythm (SR) maintenance with or without antiarrhythmic drugs (AADs) and overall survival (OS); secondary endpoints were major adverse cardiac and cerebrovascular events (MACCE) and anticoagulation status at follow-up. Group comparisons used χ Results: Follow-up was 100% at a median of 24 months. SR without AADs was observed in 77.7% of OPCAB and 64.7% of on-pump beating-heart patients; with AADs, rates were 81.4% and 70.5%, respectively. OS was in the OPCAB group 92%, respectively 94% in the on-pump beating-heart group. No strokes or myocardial infarctions occurred during follow-up; therefore MACCE-free, survival equalled OS. Oral anticoagulation was discontinued in 18.2% of patients, all in SR. No statistically significant between-group differences were detected for rhythm or survival outcomes. Conclusions: In patients with AF undergoing CABG, concomitant PVI yielded high SR maintenance and excellent mid-term survival in both off-pump and on-pump beating-heart settings, with no stroke or myocardial infarction observed at follow-up. These findings support the feasibility and safety of integrating PVI into CABG-including OPCAB-for appropriately selected patients.
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