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:: Volume 17, Issue 3 (6-2019) ::
Int J Radiat Res 2019, 17(3): 471-476 Back to browse issues page
Application of 64-slice spiral computed tomography angiography in a follow-up evaluation after coronary stent implantation: A Chinese clinical study
F. Huang MD, , J.G. Ye, L.B. Su, Y.Y. Guo, W.X. Liu, C. Cai
Department of Radiology, The second affiliated hospital, Fujian Medical University, Quanzhou, 36200, P. R. China , huangfang8012@163.com
Abstract:   (63 Views)
Background: This study assessed the application value of 64-slice spiral computed tomography angiography (CTA) in a follow-up evaluation of patients receiving coronary stent implantation. Materials and Methods: A total of 468 patients who underwent percutaneous coronary intervention (PCI) at our hospital between January 2013 and October 2016 were selected for this study. Coronary angiography and 64-slice spiral coronary CTA were performed. The differences between CTA and coronary angiography regarding the diagnosis of in-stent restenosis (ISR) were compared. Results: The sensitivity, specificity, false positive rate, false negative rate, positive predictive value, negative predictive value, and accuracy of 64-slice spiral coronary CTA in evaluating ISR were 77.9%, 96.4%, 3.6%, 22.1%, 69.1%, 97.7%, and 94.71%, respectively. The results of the CTA and coronary angiography in diagnosing ISR in different locations of the coronary artery were not significantly different (P>0.05). CTA imaging quality was significantly better for stents with diameters >3 mm than that for stents with diameters ≤3 mm (P<0.05). Conclusion: Overall, 64-slice spiral coronary CTA has very high accuracy and was not significantly different compared with coronary angiography when assessing the patency of stents. CTA is advantageous because it is inexpensive, simple and convenient, and it can be used for follow-up examinations.
Keywords: CT angiography, coronary angiography, coronary stent, in-stent restenosis.
Full-Text [PDF 1695 kb]   (33 Downloads)    
Type of Study: Reviews and Perspectives | Subject: Radiation Biology
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Huang F, Ye J, Su L, Guo Y, Liu W, Cai C. Application of 64-slice spiral computed tomography angiography in a follow-up evaluation after coronary stent implantation: A Chinese clinical study . Int J Radiat Res. 2019; 17 (3) :471-476
URL: http://ijrr.com/article-1-2609-en.html


Volume 17, Issue 3 (6-2019) Back to browse issues page
International Journal of Radiation Research
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