• Journal of hepatology · Aug 2013

    The diagnostic accuracy of Fibroscan for cirrhosis is influenced by liver morphometry in HCV patients with a sustained virological response.

    • Roberta D'Ambrosio, Alessio Aghemo, Mirella Fraquelli, Maria Grazia Rumi, Maria Francesca Donato, Valerie Paradis, Pierre Bedossa, and Massimo Colombo.
    • A.M. and A. Migliavacca Center for Liver Disease, First Division of Gastroenterology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy. roberta.dambrosio@unimi.it
    • J. Hepatol. 2013 Aug 1; 59 (2): 251-6.

    Background & AimsTransient elastography (TE) is a validated non-invasive tool to evaluate hepatic fibrosis in patients with hepatitis C virus (HCV) infection. Whether TE may sense changes of liver fibrosis following therapeutic HCV eradication has never been evaluated.Methods37 HCV cirrhotics with paired pre- and post-sustained virological response (SVR) liver biopsies (LB) underwent TE at the time of post-SVR LB. Liver fibrosis was staged with the METAVIR scoring system and the area of fibrosis (%) was assessed morphometrically.ResultsThirty-three patients had valid TE measurements after 61 (48-104) months from an SVR, and 20 (61%) of them had cirrhosis regression. On post-SVR LB, the median area of fibrosis was 2.3%, being significantly reduced from baseline (p<0.0001). Median TE value was 9.8 kPa being lower in regressed vs. not regressed patients (9.1 kPa vs. 12.9 kPa, p=0.01). TE was <12 kPa in 5 (38%) F4 patients and in 19 (95%) ≤F3 patients (p=0.0007). The diagnostic accuracy of TE for diagnosing F4 after treatment was 61% sensitivity, 95% specificity, 12.3 LR+, 0.4 LR-, and AUROC 0.77. A significant correlation was found between TE and both fibrosis stage (r=0.56; p=0.001) and morphometry (r=0.56, p=0.001) as well as between fibrosis stage and area of fibrosis (r=0.72, p=0001).ConclusionsFollowing therapeutic eradication of HCV, the predictive power of the viremic cut-off of 12 kPa was low as a consequence of liver remodelling and fibrosis reabsorption. LB still remains the only reliable approach to stage liver fibrosis following an SVR.Copyright © 2013 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.

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