Abstract
Coronary artery stenting has been an important therapeutic procedure for patients with coronary artery stenosis and the number of patients who received stenting is increasing. As a noninvasive method, coronary computed tomography angiography (CTA) has become increasingly used during the follow-up. However, beam-hardening artifacts, appearing as dark areas adjacent to metal stents, limit the diagnostic performance of cardiac CT, especially when the stent diameter is <3 mm. Recently, with the rapid technologic advances, dual-energy CT (DECT) has been applied in many clinical areas. With dual-energy CT, attenuation data from different energies are used to characterize materials, virtual monoenergetic images (VMI) and stent subtraction images can be used to improve the diagnostic performance of stent evaluation. In this chapter, based on a case, we will discuss the assessment of coronary stent by dual-energy CT imaging, and further possibly promising role of CT technology in coronary stent evaluation.
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Xu, C., Wang, Y. (2020). Dual-Energy Evaluation of Coronary Artery Stent. In: **, Zy., Lu, B., Wang, Y. (eds) Cardiac CT. Springer, Singapore. https://doi.org/10.1007/978-981-15-5305-9_5
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DOI: https://doi.org/10.1007/978-981-15-5305-9_5
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