• Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing 100029, P. R. China;
GUCheng-xiong, Email: anzhengu@sina.com
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Objective To explore the incidence of total occlusion of right coronary artery (RCA)and its treatment strategy during off-pump coronary artery bypass grafting (OPCAB). Methods A total of 1 153 patients with total RCA occlusion were chosen from 6 206 patients who underwent OPCAB in Beijing Anzhen Hospital from January 1, 2005 to December 31, 2012. There were 889 male (77.1%)and 264 female (22.9%)patients with their age of 45-78 years. The incidence of total RCA occlusion was calculated, and its treatment strategies were discussed. Results Among 6 206 OPCAB patients, 1 153 patients (18.6%)had total RCA occlusion. All the 1 153 patients successfully received OPCAB, but 13 patients (1.1%)died postoperatively. Thirty-four patients (2.9%)had postoperative complications including cerebral infarction, mild to moderate pleural effusion and poor wound healing, all of whom were cured or improved, and all the other patients were discharged uneventfully. A total of 1 110 patients (97.4%)were followed up for 1 month to 7 years, and 30 patients were lost during follow-up. Angina symptoms disappeared in 758 patients and were relieved in 352 patients. During follow-up, 64-row helical CT of 586 patients with preoperative total RCA occlusion showed good graft patency, and echocardiography and nuclear myocardial scan showed improved left ventricular systolic function and myocardial blood flow. Conclusion The incidence of total RCA occlusion is 18.6% in our study. Appropriate surgical strategies are needed according to individualized patient conditions to get satisfactory clinical outcomes.

Citation: BAIChen, LIJing-xing, WANGChuan, ZHANGFan, GAOMing-xin, GUCheng-xiong. Incidence of Total Occlusion of Right Coronary Artery and Its Treatment Strategy During Off-pump Coronary Artery Bypass Grafting. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2014, 21(6): 740-743. doi: 10.7507/1007-4848.20140213 Copy

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