Abstract
Introduction: Calcification in the coronary arteries can be overestimated due to calcium blooming that alters the size and shape of calcified plaques. Blooming which is caused by motion, beam hardening, and partial volume artifacts, continues to be a challenge in CCTA and can lead to higher false positive rates for obstructive CAD. While results of a prototype de-blooming algorithm (GE Healthcare) have been previously published, the addition of a second-generation, whole-heart motion correction algorithm (SnapShot Freeze 2, “SSF2”, GE Healthcare) and its benefits to the overall de-blooming solution has yet to be investigated. The purpose of this study is to assess the combined effects of SSF2 intelligent motion correction and the de-blooming algorithm on the calcified plaque burden present in CCTA.
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