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Accuracy and rate of coronary artery segment visualization with CT angiography for the non-invasive detection of coronary artery stenoses

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Abstract

Objectives

To evaluate CT coronary angiography (CTA) when compared with catheter coronary angiography (CCA), for the detection of coronary artery stenoses and rate of optimal coronary artery segment visualization.

Method

Retrospective, two-center study enrolling 26 patients who underwent CCA and ECG-gated 16-detector CTA (slice thickness 0.6 mm; rotation 500 ms).

Results and conclusion

283 segments were available for postprocessing. Sensitivity, specificity, and positive predictive value were, respectively, 80, 100, and 100%, for detecting more than 50% luminal stenoses, when optimally visualized segments were considered, in comparison to CCA. Negative predictive value was excellent (98%). Rate of non-optimally visualized coronary segments was 26%. Most clinical benefits of coronary CT angiography should probably be obtained when it is performed to exclude significant stenoses on selected populations of patients with a low pre-test probability of severe coronary artery disease, and under optimal conditions of controlled heart rate and minimal presence of calcium.

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Author information

Author notes

  1. Edith Bordeleau

    Present address: Radiology Department, Laval Hospital, Quebec City, QC, Canada

Authors and Affiliations

  1. Cardiopulmonary Section, Radiology department, University of Montreal Medical Center (CHUM), Saint-Luc Hospital, 1058 Saint-Denis street, H2X 3J4, Montreal, QC, Canada

    Edith Bordeleau, Alexandre Lamonde, Julie Prenovault & Carl Chartrand-Lefebvre

  2. Medicine faculty, Montreal University, Montreal, QC, Canada

    Alexandre Lamonde

  3. Radiology department, University of Montreal Medical Center, Montreal, QC, Canada

    Assia Belblidia

  4. Clinique L’Enjeu Cardiovascular Health, Montréal, QC, Canada

    Gilles Coté

  5. Radiology Department, Montreal Heart Institute, Montreal, QC, Canada

    Jacques Lespérance

  6. Vascular section, Radiology department, University of Montreal Medical Center, Montreal, QC, Canada

    Gilles Soulez

Authors
  1. Edith Bordeleau
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Corresponding author

Correspondence to Carl Chartrand-Lefebvre.

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Bordeleau, E., Lamonde, A., Prenovault, J. et al. Accuracy and rate of coronary artery segment visualization with CT angiography for the non-invasive detection of coronary artery stenoses. Int J Cardiovasc Imaging 23, 771–780 (2007). https://doi.org/10.1007/s10554-006-9198-0

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  • DOI: https://doi.org/10.1007/s10554-006-9198-0

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