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In vivo coronary lesion differentiation with computed tomography angiography and intravascular ultrasound as compared to optical coherence tomography

Wieringa, W. G., Lexis, C. P. H., Lipsic, E., van der Werf, H. W., Burgerhof, J. G. M., Hagens, V. E., Bartels, G. L., Broersen, A., Schurer, R. A. J., Tan, E-S., van der Harst, P., van den Heuvel, A. F. M., Willems, T. P. & Pundziute, G., Mar-2017, In : Journal of Cardiovascular Computed Tomography. 11, 2, p. 111-118 8 p.

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  • In vivo coronary lesion differentiation with computed tomography angiography and intravascular ultrasound as compared to optical coherence tomography

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Background: In vitro studies have shown the feasibility of coronary lesion grading with computed tomography angiography (CTA), intravascular ultrasound (IVUS) and optical coherence tomography (OCT) as compared to histology, whereas OCT had the highest discriminatory capacity.

Objective: We investigated the ability of CTA and IVUS to differentiate between early and advanced coronary lesions in vivo, OCT serving as standard of reference.

Methods: Multimodality imaging was prospectively performed in 30 NSTEMI patients. Plaque characteristics were assessed in 1083 cross-sections of 30 culprit lesions, co-registered among modalities. Absence of plaque, fibrous and fibrocalcific plaque on OCT were defined as early plaque, whereas lipid rich-plaque on OCT was defined as advanced plaque. Odds ratios adjusted for clustering were calculated to assess associations between plaque types on CTA and IVUS with early or advanced plaque.

Results: Normal findings on CTA as well as on IVUS were associated with early plaque. Non-calcified, calcified plaques and the napkin ring sign on cm were associated with advanced plaque. On IVUS, fatty and calcified plaques were associated with advanced plaque.

Conclusions: In vivo coronary plaque characteristics on CTA and IVUS are associated with plaque characteristics on OCT. Of note, normal findings on CTA and IVUS relate to early lesions on OCT. Nevertheless, multiple plaque features on CTA and IVUS are related to advanced plaques on OCT, which may make it difficult to use qualitative plaque assessment in clinical practice. (C) 2017 Society of Cardiovascular Computed Tomography. Published by Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)111-118
Number of pages8
JournalJournal of Cardiovascular Computed Tomography
Volume11
Issue number2
Publication statusPublished - Mar-2017

    Keywords

  • Computed tomography, intravascular ultrasound, Optical coherence tomography, Coronary atherosclerosis, ELEVATION MYOCARDIAL-INFARCTION, INCREMENTAL PROGNOSTIC VALUE, THIN-CAP FIBROATHEROMA, CT ANGIOGRAPHY, ATHEROSCLEROTIC LESIONS, ARTERY-DISEASE, NONINVASIVE ASSESSMENT, PLAQUE, MORPHOLOGY, VALIDATION

ID: 45973315