Comparison of quantitative stenosis characteristics at routine coronary computed tomography angiography with invasive fractional flow reserve for assessing lesion-specific ischemia
Objective: To comprehensively evaluate quantitative parameters derived from routine coronary CT angiography (cCTA) for predicting lesion-specific ischemia in comparison to invasive fractional flow reserve (FFR). Background: The ability of cCTA to gauge lesion-specific ischemia is limited. Several qu...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
November-December 2015
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| In: |
Journal of cardiovascular computed tomography
Year: 2015, Jahrgang: 9, Heft: 6, Pages: 546-552 |
| ISSN: | 1876-861X |
| DOI: | 10.1016/j.jcct.2015.08.003 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1016/j.jcct.2015.08.003 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S1934592515300034 
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| Verfasserangaben: | Rui Wang, Stefan Baumann, U. Joseph Schoepf, Felix G. Meinel, Jeremy D. Rier, Justin Z. Morris, Helge Möllmann, Christian W. Hamm, Daniel H. Steinberg, Matthias Renker |
MARC
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| 245 | 1 | 0 | |a Comparison of quantitative stenosis characteristics at routine coronary computed tomography angiography with invasive fractional flow reserve for assessing lesion-specific ischemia |c Rui Wang, Stefan Baumann, U. Joseph Schoepf, Felix G. Meinel, Jeremy D. Rier, Justin Z. Morris, Helge Möllmann, Christian W. Hamm, Daniel H. Steinberg, Matthias Renker |
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| 520 | |a Objective: To comprehensively evaluate quantitative parameters derived from routine coronary CT angiography (cCTA) for predicting lesion-specific ischemia in comparison to invasive fractional flow reserve (FFR). Background: The ability of cCTA to gauge lesion-specific ischemia is limited. Several quantitative parameters have been proposed to enhance the specificity of cCTA, such as morphologic indices (lesion length/minimal lumen diameter4 [LL/MLD4]; percentage aggregate plaque volume [%APV]) and a measure of intracoronary contrast gradients (corrected coronary opacification [CCO]). Methods: Forty-nine patients who had undergone cCTA followed by FFR within 3 months were included. An experienced observer visually assessed all cCTA studies and derived multiple measures characterizing the lesion of interest, including LL, MLD, minimal lumen area (MLA), LL/MLD4, remodeling index, %APV, and CCO. Lesion-specific ischemia was considered with FFR <0.8. Results: Among 56 lesions, 13 were flow-obstructing by FFR. On univariate analysis, LL, MLD, LL/MLD4, and CCO showed discriminatory power. The area under the curve of LL/MLD4 (0.909) was significantly greater compared with MLD (0.802, P = 0.014), LL (0.739, P = 0.041), and CCO (0.809), although the latter did not reach statistical significance (P = 0.175). On multivariate regression, LL/MLD4 was the only independent predictor of lesion-specific ischemia (odds ratio 2.021, P = 0.001). Moreover, LL/MLD4 compared favorably to visual cCTA evaluation. Conclusion: LL/MLD4 derived from routine cCTA can enhance the detection of lesion-specific ischemia and may be superior to other described quantitative parameters. | ||
| 650 | 4 | |a Coronary artery disease | |
| 650 | 4 | |a Coronary CT angiography | |
| 650 | 4 | |a Fractional flow reserve | |
| 650 | 4 | |a Invasive coronary angiography | |
| 700 | 1 | |a Baumann, Stefan |d 1983- |e VerfasserIn |0 (DE-588)1015785875 |0 (DE-627)669896462 |0 (DE-576)351096906 |4 aut | |
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