Assessment of myocardial viability based on dual-energy computed tomography in patients with chronic myocardial infarction: comparison with magnetic resonance imaging

Publication date: Available online 8 June 2017
Source:Clinical Imaging
Author(s): Sang Jin Ha, Yeonggul Jang, Byoung Kwon Lee, In-Jeong Cho, Chi Young Shim, Geu-Ru Hong, Namsik Chung, Hyuk-Jae Chang
PurposeTo evaluate the diagnostic performance of dual-energy computed tomography (DECT) for the assessment of myocardial viability compared with magnetic resonance imaging (MRI) in patients with chronic myocardial infarction (CMI).Methods and materialTwenty-six patients were prospectively enrolled, who underwent DECT and MRI at delayed phase. The infarct volumes for DECT and MRI were measured.ResultsIn per-segment and per-vessel analysis, DECT showed excellent diagnostic performance compared with MRI (diagnostic accuracy: 86.2%, 81.2% respectively). In volume analysis, DECT correlated well with MRI (r=0.966, p<0.0001).ConclusionsDECT has excellent diagnostic performance for detecting CMI.



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