Real-Time Shear Wave versus Transient Elastography for Predicting Fibrosis: Applicability, and Impact of Inflammation and Steatosis. A Non-Invasive Comparison

Thierry Poynard, Tam Pham, Hugo Perazzo, Mona Munteanu, Elena Luckina, Djamel Elaribi, Yen Ngo, Luminita Bonyhay, Noemie Seurat, Muriel Legroux, An Ngo, Olivier Deckmyn, Dominique Thabut, Vlad Ratziu, Olivier Lucidarme and Fibrofrance-Hecam

PLOS ONE, 2016, vol. 11, issue 10, 1-16

Abstract: Background and Aims: Real-time shear wave elastography (2D-SWE) is a two-dimensional transient elastography and a competitor as a biomarker of liver fibrosis in comparison with the standard reference transient elastography by M probe (TE-M). The aims were to compare several criteria of applicability, and to assess inflammation and steatosis impact on elasticity values, two unmet needs. Methods: We took FibroTest as the fibrosis reference and ActiTest and SteatoTest as quantitative estimates of inflammation and steatosis. After standardization of estimates, analyses used curve fitting, quantitative Lin concordance coefficient [LCC], and multivariate logistic regression. Results: A total of 2,251 consecutive patients were included. We validated the predetermined 0.2 kPa cut-off as a too low minimal elasticity value identifying not-reliable 2D-SWE results (LCC with FibroTest = 0.0281[-0.119;0.175]. Other criteria, elasticity CV, body mass index and depth of measures were not sufficiently discriminant. The applicability of 2D-SWE (95%CI) 89.6%(88.2–90.8), was significantly higher than that of TE, 85.6%(84.0–87.0; P

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0163276

DOI: 10.1371/journal.pone.0163276

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