Surgical Proficiency and Quality Indicators in Off-Pump Coronary Artery Bypass

Surgical proficiency at performing OPCAB could be evaluated with 2 quality indicators: revascularization index of 1.4 or more and conversion rate in nonemergent cases of 5% or less. The required case number for technical maturation was 200 to 300 for conversion and 600 to 700 for complete revascularization.