Surgeon and Center Volume Influence on Outcomes After Arterial Switch Operation: Analysis of the STS Congenital Heart Surgery Database

The impact of center and surgeon volume on outcomes after arterial switch for TGV was investigated using data from the STS database. Median center and surgeon annual volumes were 4 and 2.   Both center and surgeon volume were important determinants of the composite outcome (death or major complication), with surgeon volume having the most important effect.