Comparison between four-slice computed tomography and coronary angiography for the assessment of coronary stents

Journal of Cardiovascular Medicine
Pietro MazzarottoCiro Indolfi

Abstract

The present study aimed to evaluate the diagnostic accuracy of four-slice computed tomography for the detection, localization and patency assessment of metal coronary stents in a general population referred for coronary angiography late after coronary angioplasty. Twenty-four consecutive patients with 34 coronary stents underwent multislice computed tomography within 24 h before a clinically driven coronary angiography performed 245 +/- 92 days after coronary stent implantation. For each patient, two independent operators were asked to evaluate the overall number of stents, the treated coronary vessels and segments, the presence of side-branches in the stented segment, the vessel patency, and the presence of binary in-stent restenosis. Four-slice computed tomography was feasible in 23 out of 24 patients (96%). Diagnostic accuracy was 94% for stent detection, 96% for the recognition of the stented coronary vessel and 97% for the identification of the stented segment. Accuracy in detection of side-branches in the stented segment, vessel patency and in-stent restenosis was 86%, 88% and 50%, respectively. Four-slice computed tomography is accurate in the identification of the stented coronary vessel and segment. By contrast, accura...Continue Reading

References

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Citations

Sep 22, 2012·ISRN Cardiology·Andreas H Mahnken
Feb 27, 2010·The American Journal of Cardiology·Daniele AndreiniAntonio Luca Bartorelli

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