Abstract
To demonstrate the variety of stent abnormalities that may be evaluated by coronary computed tomographic angiography (CTA). The application of CTA to the evaluation of coronary stents has focused almost entirely on the detection of in-stent restenosis. All CTA performed for stent evaluation at a single institution were reviewed. In addition to in-stent restenosis, stent fracture, and overlap failure, a multiplicity of stent-related problems not previously addressed by CTA was categorized and illustrated: late stent thrombosis, jailed branches, edge stenosis, bifurcation stents, inadequate stent expansion, stent aneurysms, peri-stent plaque, and stenting into bridged myocardium. CTA may be used to evaluate the full range of stent-related problems. This work provides the framework for future studies validating these applications.
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