Ontology type: schema:ScholarlyArticle Open Access: True
2018-07-19
AUTHORSM. Plaikner, C. Kremser, H. Zoller, M. Steurer, B. Glodny, W. Jaschke, B. Henninger
ABSTRACTObjectivesTo assess if the administration of gadoxetate disodium (Gd-EOB-DTPA) significantly affects hepatic magnetic resonance elastography (MRE) measurements in the delayed hepatobiliary phase (DHBP).MethodsA total of 47 patients (15 females, 32 males; age range 23–78 years, mean 54.28 years) were assigned to standard hepatic magnetic resonance imaging (MRI) with application of Gd-EOB-DTPA and hepatic MRE. MRE was performed before injection of Gd-EOB-DTPA and after 40–50 min in the DHBP. Liver stiffness values were obtained before and after contrast media application and differences between pre- and post-Gd-EOB-DTPA values were evaluated using a Bland-Altman plot and the Mann-Whitney-Wilcoxon test. In addition, the data were compared with regard to the resulting fibrosis classification.ResultsMean hepatic stiffness for pre-Gd-EOB-DTPA measurements was 4.01 kPa and post-Gd-EOB-DTPA measurements yielded 3.95 kPa. We found a highly significant individual correlation between pre- and post-Gd-EOB-DTPA stiffness values (Pearson correlation coefficient of r = 0.95 (p < 0.001) with no significant difference between the two measurements (p =0.49)). Bland-Altman plot did not show a systematic effect for the difference between pre- and post-stiffness measurements (mean difference: 0.06 kPa, SD 0.81). Regarding the classification of fibrosis stages, the overall agreement was 87.23% and the intraclass correlation coefficient was 96.4%, indicating excellent agreement.ConclusionsAdministration of Gd-EOB-DTPA does not significantly influence MRE stiffness measurements of the liver in the DHBP. Therefore, MRE can be performed in the DHBP.Key Points• MRE of the liver can reliably be performed in the delayed hepatobiliary phase.• Gd-EOB-DTPA does not significantly influence MRE stiffness measurements of the liver.• MRE performed in the delayed hepatobiliary-phase is reasonable in patients with reduced liver function. More... »
PAGES829-837
http://scigraph.springernature.com/pub.10.1007/s00330-018-5616-7
DOIhttp://dx.doi.org/10.1007/s00330-018-5616-7
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/30027410
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