• Department of Cardiac Surgery, Beijing Anzhen hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing 100029, P. R. China;
XIEJin-sheng, Email: shoe666@sohu.com
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Objective To evaluate surgical outcomes of combined off-pump coronary artery bypass grafting (OPCAB)and bipolar radiofrequency ablation (RFA)for atrial fibrillation (AF). Methods From January 2008 to October 2013, 49 patients with coronary artery disease and AF underwent OPCAB and concomitant Atricure bipolar RFA for AF in Beijing Anzhen Hospital. According to their AF duration, all the 49 patients were divided into 2 groups. In group A, there were 14 patients with permanent AF including 9 males and 5 females with their age of 56.7±7.5 years. In group B, there were 35 patients with paroxysmal AF including 27 males and 8 females with their age of 60.2±10.5 years. AF duration was 9.4±6.0 months. Coronary artery stenosis was 85%-100%. Ambulatory electrocardiogram and echocardiography were performed to observe AF recurrence during follow-up. Results None of the patients received intraoperative conversion operation under cardiopulmonary bypass, and there was no in-hospital death. Postoperatively, 81.6% (40/49)patients had conversion to sinus rhythm (SR)or junctional rhythm, 18.4% (9/49)patients remained AF, but none of the patients had second or third-degree atrioventricular block. A total of 139 distal anastomoses were performed with a mean of 2.8 distal anastomoses per patient. Length of hospital stay was 10-15 (12±3)days. SR was observed in 34 patients (69%)before discharge including 9 patients (64%)in group A and 25 patients (71%)in group B. All the patients (100%)were followed up for 5-12 months. 39 patients (80%)maintained SR over 6 months, including 10 patients (71%)in group A and 29 patients (83%)in group B. 44 patients (90%)maintained SR over 12 months, including 11 patients (79%)in group A and 33 patients (94%)in group B. There was no statistical difference in SR maintenance rate between the 2 groups (P > 0.05). Conclusion OPCAB and concomitant bipolar RFA for AF is safe, efficacious and feasible.

Citation: SONGShi-qiu, ZHANGJian-qun, XIEJin-sheng, BOPing, CAOXiang-rong, WANGSheng-xun, YANGChuan-rui. Combined Off-pump Coronary Artery Bypass Grafting and Bipolar Radiofrequency Ablation for Atrial Fibrillation. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2014, 21(6): 748-752. doi: 10.7507/1007-4848.20140215 Copy

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