Ibrahim Danad1, Iksung Cho2, Kimberly Elmore3, Joshua Schulman-Marcus4, Bríain Ó Hartaigh3, Wijnand J Stuijfzand1, Patricia Carrascosa5, James K Min6. 1. Dalio Institute of Cardiovascular Imaging, Department of Radiology, NewYork-Presbyterian Hospital and Weill Cornell Medicine, New York, NY, USA; VU University Medical Center, Amsterdam, The Netherlands. 2. Dalio Institute of Cardiovascular Imaging, Department of Radiology, NewYork-Presbyterian Hospital and Weill Cornell Medicine, New York, NY, USA; Chung-Ang University Hospital, Seoul, South Korea; Severance Cardiovascular Hospital, Yonsei University Health System, Seoul, South Korea. 3. Dalio Institute of Cardiovascular Imaging, Department of Radiology, NewYork-Presbyterian Hospital and Weill Cornell Medicine, New York, NY, USA. 4. Division of Cardiology, Albany Medical Center, Albany, NY, USA. 5. Department of Cardiovascular Imaging, Diagnóstico Maipú, Av Maipú 1668, Vicente López, B1602ABQ Buenos Aires, Argentina; Department of Interventional Cardiology, Sanatorio Guemes, Buenos Aires, Argentina. 6. Dalio Institute of Cardiovascular Imaging, Department of Radiology, NewYork-Presbyterian Hospital and Weill Cornell Medicine, New York, NY, USA. Electronic address: jkm2001@med.cornell.edu.
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 140keV 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. Published by Elsevier Inc.
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 140keV 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. Published by Elsevier Inc.
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