Comparative diagnostic accuracy of dual-energy CT myocardial perfusion imaging by monochromatic energy versus material decomposition methods

Ibrahim Danad, Iksung Cho, Kimberly Elmore, Joshua Schulman-Marcus, Bríain Ó Hartaigh, Wijnand J Stuijfzand, Patricia Carrascosa, James K Min

Research output: Contribution to journalArticleAcademicpeer-review

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.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalClinical imaging
Volume50
DOIs
Publication statusPublished - 11 Jul 2018

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