Key result
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Why the study?
Postoperative atrial fibrillation is a common complication of cardiac surgery, and epicardial fat tissue may contribute to its development.
In patients undergoing isolated CABG with normal echocardiographic function, epicardial fat volume is not associated with the development of postoperative atrial fibrillation, whereas older age remains a significant risk factor.
EFV adds no value for POAF risk stratification after CABG; leaves open whether other imaging markers predict arrhythmia in preserved EF.
Backgrounds Postoperative atrial fibrillation (POAF) is one of the most common complication of cardiac surgery. Epicardial fat tissue may play a role in the development of atrial fibrillation (AF). The aim of this study was to evaluate relationship between epicardial fat volume (EFV) and the appearance of new-onset AF in patients undergoing isolated coronary artery bypass graft (CABG) with normal echocardiographic functions. Methods Between January 2017 and June 2020, 281 coronary artery disease patients undergone isolated CABG surgery with normal echocardiographic functions were included in the study. Patient characteristics, medical history, and perioperative variables were retrospectively collected. Patients with AF predisposition factors were excluded. Results Sixty-seven patients (23.8%) developed postoperatively AF during hospital stay. In univariate analysis, patients with postoperative AF were older compared with sinus rhythm patients (60.78 ± 9.03 vs. 65.46 ± 9.22, p = 0.001). There are no statistically significant differences between groups and EFV compared (107.78 ± 41.04 vs. 106.66 ± 34.98 p = 0.84). Large left atrial diameter, female patient, cardiopulmonary bypass and longer cross-clamp time showed correlation between POAF without statistical significance. Conclusion Aging is the only associated factor with AF in this study. There was no EFV difference between POAF and non-AF groups in patients undergoing isolated CABG with normal echocardiographic functions.
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Yalçınkaya et al. (2022) studied this question. The provided text contains only the editorial board and publication information for a journal, with no clinical study data.
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