Long-term survival is similar in CABG-LITA patients using either a RA or free RITA graft to bypass the circumflex coronary artery. RA grafting has fewer MAEs, a similar patency to RITA, and improves survival in older and COPD patients. The choice of the second arterial conduit should be guided by patient profiles and surgeon preferences.
An 80% rate of MABG has the potential to prevent more than 10,000 deaths annually and add >64,000 person-years of life over the course of 10 years. The use of a second arterial graft during CABG should be routine in the majority of patients undergoing CABG.
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