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Updated: Jul 14, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
Coronary computed tomography angiography in patients after percutaneous coronary intervention (PCI): focus on
Francesca Pugliese1, Katarzyna Gruszczyńska, Filippo Alberghina
1Departments of Radiology and Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands. francesca.pugliese@libero.it <francesca.pugliese@libero.it>
Unlabelled:
Coronary stent imaging with computed tomography is challenging because of high-density artifacts. However, noninvasive coronary angiography with computed tomography is gaining acceptance as a valid alternative to cardiac catheterization in a broader array of clinical settings, and the work-up of patients after coronary stent implantation represents an application of pressing clinical utility. Only a minority of patients who develop recurrent chest pain after stent implantation have myocardial ischemia, thus a sensitive noninvasive study is desirable. With an awareness of the limitations of the technique, the systematic application of dedicated strategies of data post-processing and display techniques permits partial compensation of the technical limitations brought about by metallic struts.
Advances In Knowledge:
1. The role of coronary computed tomography angiography in the diagnostic work-up of patients with symptoms after stent placement 2. Systematization of post-processing, display, and review techniques for optimal evaluation of coronary stents with coronary computed tomography angiography.
Summary Statement:
The follow-up of patients after coronary stenting is an appealing but challenging application of coronary computed tomography angiography. The presence of intrinsic limitations requires the use of dedicated post-processing and visualization techniques.
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