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Comparative diagnostic accuracy of dual-energy CT myocardial perfusion imaging by monochromatic energy versus material decomposition methods
- Authors
- Danad, Ibrahim; Cho, Iksung; Elmore, Kimberly; Schulman-Marcus, Joshua; Hartaigh, Briain O.; Stuijfzand, Wijnand J.; Carrascosa, Patricia; Min, James K.
- Issue Date
- Jul-2018
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Dual-energy computed tomography (DECT); Coronary artery disease (CAD); Myocardial segments; Monochromatic energy; Perfusion defects; Ischemia
- Citation
- CLINICAL IMAGING, v.50, pp 1 - 4
- Pages
- 4
- Journal Title
- CLINICAL IMAGING
- Volume
- 50
- Start Page
- 1
- End Page
- 4
- ISSN
- 0899-7071
1873-4499
- Abstract
- Purpose: To compare the diagnostic value of monochromatic and material decomposition (MD) dual-energy computed tomography (DECT) imaging for the evaluation of ischemia. Methods: Patients with suspected coronary artery disease underwent rest-stress DECT and SPECT perfusion imaging. DECT images were reconstructed between 40 and 140 keV and through MD of iodine/muscle. Results: MD and monochromatic imaging had a sensitivity, specificity, negative predictive, positive predictive value, and accuracy of 89%, 40%, 67%, 73% and 71%; and 91%, 67%, 67%, 91% and 86%, respectively (p = 0.05). Conclusion: DECT using monochromatic energy displayed a non -significantly higher diagnostic accuracy for myocardial ischemia as compared with DECT MD.
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Collections - College of Medicine > College of Medicine > 1. Journal Articles
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