Analysis of first-pass and delayed contrast-enhancement patterns of dysfunctional myocardium on MR imaging: use in the prediction of myocardial viability.
作者： Jörn J. W. Sandstede , Claudia Lipke , Meinrad Beer , Kerstin Harre , Thomas Pabst
DOI: 10.2214/AJR.174.6.1741737
关键词:
摘要: OBJECTIVE. The purpose of the study was to analyze first-pass and delayed contrast-enhancement patterns dysfunctional myocardial regions on MR imaging after injection gadopentetate dimeglumine predict viability in patients with coronary artery disease.SUBJECTS AND METHODS. Twelve wall motion abnormalities related disease revealed by conventional angiography underwent at 1.5-T before 3 months revascularization therapy. Short-axis images were acquired using a cine gradient-echo sequence. Each slice divided into eight segments. Overall, 73 segments impaired contractility imaged during 14 ± 2 min 0.05-mmol/kg flow ml/sec T1-weighted turbo fast low-angle shot Improved systolic thickening served as criterion viability.RESULTS. At entry, 26 showed delay...
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