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✦   LIBER   ✦

Noninvasive assessment of liver fibrosis by measurement of stiffness in patients with chronic hepatitis C

✍ Scribed by Marianne Ziol; Adriana Handra-Luca; Adrien Kettaneh; Christos Christidis; Frédéric Mal; Farhad Kazemi; Victor de Lédinghen; Patrick Marcellin; Daniel Dhumeaux; Jean-Claude Trinchet; Michel Beaugrand

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
139 KB
Volume
41
Category
Article
ISSN
0270-9139

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✦ Synopsis

Liver fibrosis is the main predictor of the progression of chronic hepatitis C, and its assessment by liver biopsy (LB) can help determine therapy. However, biopsy is an invasive procedure with several limitations. A new, noninvasive medical device based on transient elastography has been designed to measure liver stiffness. The aim of this study was to investigate the use of liver stiffness measurement (LSM) in the evaluation of liver fibrosis in patients with chronic hepatitis C. We prospectively enrolled 327 patients with chronic hepatitis C in a multicenter study. Patients underwent LB and LSM. METAVIR liver fibrosis stages were assessed on biopsy specimens by 2 pathologists. LSM was performed by transient elastography. Efficiency of LSM and optimal cutoff values for fibrosis stage assessment were determined by a receiver-operating characteristics (ROC) curve analysis and cross-validated by the jack-knife method. LSM was well correlated with fibrosis stage (Kendall correlation coefficient: 0.55; P < .0001). The areas under ROC curves were 0.79 (95% CI, 0.73-0.84) for F > or =2, 0.91 (0.87-0.96) for F > or =3, and 0.97 (0.93-1) for F=4; for larger biopsies, these values were, respectively, 0.81, 0.95, and 0.99. Optimal stiffness cutoff values of 8.7 and 14.5 kPa showed F > or =2 and F=4, respectively. In conclusion, noninvasive assessment of liver stiffness with transient elastography appears as a reliable tool to detect significant fibrosis or cirrhosis in patients with chronic hepatitis C.

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