Comparison of the 2006 and 2010 Cardiac CT Appropriateness Criteria in a Real-World Setting

The updated 2010 AC guidelines for CCTA resulted in a significant reclassification of the indications for ordering CCTA from the previous 2006 guidelines. This shift in the AC reflects increased familiarity and confidence with this new technology across the imaging community. A large proportion of CCTA studies were ordered for inappropriate indications using both sets of criteria. Further research and enhanced education are needed to disseminate the appropriate role of CCTA in cardiovascular imaging.