Comparative assessment of ct-bypass angiography and invasive coronary angiography in patients after coronary bypass surgery in the late postoperative period


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Abstract

The aim of the study was to evaluate the diagnostic accuracy of ct-bypass angiography in the evaluation of significant stenosis and occlusion of grafts, recipient and nongrafted vessels in patients after coronary bypass surgery in the late postoperative period. Ct-bypass angiography was performed on 64-slice ct scanner with a slice thickness of 0,5 mm and a gantry rotation time of 0,4 s. All results were compared with quantitative invasive coronary angiography. 43 patients with 113 grafts were included in the study. Sensitivity, specificity, positive and negative predictive value, and diagnostic accuracy for the evaluation of significant stenosis were 94%, 95%, 88%, 98%, 95%, respectively. Diagnostic accuracy for the evaluation of significant stenosis in the recipient and nongrafted vessels were 91% and 90%, respectively. The diagnostic accuracy for the evaluation graft occlusion, recipient and nongrafted vessels was 100%, 100% and 98%, respectively.

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References

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Copyright (c) 2013 Menkov I.A., Trufanov G.E., Zheleznyak I.S., Rud S.D., Knyazev E.A.


СМИ зарегистрировано Федеральной службой по надзору в сфере связи, информационных технологий и массовых коммуникаций (Роскомнадзор).
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