Computed Tomography Coronary Angiography on a Detector-Based Spectral Computed Tomography Platform : Evaluation of Patients With Coronary Artery Disease Reporting and Data System Score of 3 and Higher
Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved..
PURPOSE: Computed tomography (CT) coronary angiography performed on a detector-based spectral scanner helps more closely approximate severity of stenosis with nuclear medicine and cardiac catheterization tests compared with single-energy CT (SECT) in patients with an original CAD-RADS score of 3 and higher.
METHODS: This retrospective trial was conducted between January 2017 and December 2019 and included 52 patients with a CAD-RADS score of 3 and higher. Two reading sessions were performed 6 weeks apart. The first reading session was performed using only conventional images and the second reading session was performed using spectral results. Detector-based spectral CT CAD-RADS scores were compared with cardiac stress test and/or cardiac catheterization results for final characterization of stenosis in 41 segments from 32 patients. The mean CAD-RADS score was calculated for both the conventional images and spectral images.
RESULTS: The CAD-RADS score for SECT and the score for spectral CT for the 41 segments were compared. Available associated stress test and/or cardiac catheterization results were also compared with CAD-RADS scores. In 51% (21/41), a diagnosis concordant with best practices results was achieved with the help of spectral CT results. A mean CAD-RADS score of 3.56 was obtained using spectral results, compared with 3.93 using conventional images. A 2-tailed paired t test determined the difference to be significant with a P value of 0.007.
CONCLUSIONS: Computed tomography coronary angiography is feasible on a detector-based spectral CT scanner and can improve diagnostic confidence over SECT angiography in patients with an original CAD-RADS score of 3 and higher.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:47 |
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| Enthalten in: |
Journal of computer assisted tomography - 47(2023), 3 vom: 26. Mai, Seite 390-395 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Igi, Mae [VerfasserIn] |
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| Anmerkungen: |
Date Completed 17.05.2023 Date Revised 23.06.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1097/RCT.0000000000001434 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM356876985 |
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| 500 | |a Date Revised 23.06.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved. | ||
| 520 | |a PURPOSE: Computed tomography (CT) coronary angiography performed on a detector-based spectral scanner helps more closely approximate severity of stenosis with nuclear medicine and cardiac catheterization tests compared with single-energy CT (SECT) in patients with an original CAD-RADS score of 3 and higher | ||
| 520 | |a METHODS: This retrospective trial was conducted between January 2017 and December 2019 and included 52 patients with a CAD-RADS score of 3 and higher. Two reading sessions were performed 6 weeks apart. The first reading session was performed using only conventional images and the second reading session was performed using spectral results. Detector-based spectral CT CAD-RADS scores were compared with cardiac stress test and/or cardiac catheterization results for final characterization of stenosis in 41 segments from 32 patients. The mean CAD-RADS score was calculated for both the conventional images and spectral images | ||
| 520 | |a RESULTS: The CAD-RADS score for SECT and the score for spectral CT for the 41 segments were compared. Available associated stress test and/or cardiac catheterization results were also compared with CAD-RADS scores. In 51% (21/41), a diagnosis concordant with best practices results was achieved with the help of spectral CT results. A mean CAD-RADS score of 3.56 was obtained using spectral results, compared with 3.93 using conventional images. A 2-tailed paired t test determined the difference to be significant with a P value of 0.007 | ||
| 520 | |a CONCLUSIONS: Computed tomography coronary angiography is feasible on a detector-based spectral CT scanner and can improve diagnostic confidence over SECT angiography in patients with an original CAD-RADS score of 3 and higher | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Miller, Jenna |e verfasserin |4 aut | |
| 700 | 1 | |a Sayers, Kia |e verfasserin |4 aut | |
| 700 | 1 | |a Smith, David L |e verfasserin |4 aut | |
| 700 | 1 | |a Toshav, Aran |e verfasserin |4 aut | |
| 700 | 1 | |a Batte, Catherine |e verfasserin |4 aut | |
| 700 | 1 | |a Spieler, Bradley |e verfasserin |4 aut | |
| 700 | 1 | |a Danrad, Raman |e verfasserin |4 aut | |
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