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  • Title: Assessment of results of surgical treatment for persistent atrial fibrillation during coronary artery bypass grafting using implantable loop recorders.
    Author: Cherniavsky A, Kareva Y, Pak I, Rakhmonov S, Pokushalov E, Romanov A, Karaskov A.
    Journal: Interact Cardiovasc Thorac Surg; 2014 Jun; 18(6):727-31. PubMed ID: 24572769.
    Abstract:
    OBJECTIVES: We report our experience with a modified mini-maze procedure and pulmonary vein isolation using radiofrequency energy for treating persistent atrial fibrillation during coronary artery bypass grafting (CABG). METHODS: Ninety-five patients with persistent atrial fibrillation and coronary heart disease underwent open heart surgery combined with intraoperative irrigated radiofrequency ablation. Patients were randomized into the following three groups: CABG and irrigated radiofrequency pulmonary vein isolation (CABG+PVI, n = 31); CABG and an irrigated radiofrequency modified mini-maze procedure (CABG+MM, n = 30); and isolated CABG (CABG alone, n = 34). All patients received implantable loop recorders. RESULTS: No reoperation and no hospital mortality were recorded. Mean follow-up was 14.4 ± 9.7 months. The implantable loop recorder-determined freedom from atrial fibrillation was 80% in the CABG+PVI group, 86.2% in the CABG+MM group and 44.1% in the CABG alone group. CONCLUSIONS: Patients with concomitant atrial fibrillation and coronary heart disease may benefit from intraoperative ablation to prevent relapse of arrhythmia.
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