Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver · 2012
Non-invasive assessment of hepatic fibrosis in a series of patients with Wilson's Disease.
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Sini Margherita, Sorbello Orazio, Civolani Alberto, Liggi Mauro, Demelia Luigi
Аннотация
BACKGROUND/AIMS: Liver biopsy has always represented the standard of reference in hepatic fibrosis assessment. Recently, blood markers and instrumental methods have been proposed for non-invasive assessment. The aim of this study was to validate transient elastography and other non-invasive tests compared to liver histology in Wilson's Disease.
METHODS: Liver stiffness in 35 Wilson's Disease patients was evaluated by Fibroscan, serum fibrosis markers (AST-to-platelet-ratio index and FIB-4) and biopsy.
RESULTS: Compared to liver histology, the FibroScan values increased proportionally with progression of the histological fibrosis stage. Significant fibrosis could be predicted with a Fibroscan cut-off value of 6.6 kPa. Advanced fibrosis could be predicted with a FibroScan cut-off value of 8.4 kPa. Serum fibrosis marker values gave good correlation with hepatic stage.
CONCLUSIONS: A FibroScan value of 6.6 kPa was found to be a significant separation limit for differentiating significant fibrosis stages from milder stages and a fibroscan value of 8.4 kPa was found to be a significant separation limit for differentiating advanced fibrosis stages from milder stages. FibroScan values are clinically useful for predicting fibrosis stages and helpful in managing chronic therapy in Wilson's Disease patients.
METHODS: Liver stiffness in 35 Wilson's Disease patients was evaluated by Fibroscan, serum fibrosis markers (AST-to-platelet-ratio index and FIB-4) and biopsy.
RESULTS: Compared to liver histology, the FibroScan values increased proportionally with progression of the histological fibrosis stage. Significant fibrosis could be predicted with a Fibroscan cut-off value of 6.6 kPa. Advanced fibrosis could be predicted with a FibroScan cut-off value of 8.4 kPa. Serum fibrosis marker values gave good correlation with hepatic stage.
CONCLUSIONS: A FibroScan value of 6.6 kPa was found to be a significant separation limit for differentiating significant fibrosis stages from milder stages and a fibroscan value of 8.4 kPa was found to be a significant separation limit for differentiating advanced fibrosis stages from milder stages. FibroScan values are clinically useful for predicting fibrosis stages and helpful in managing chronic therapy in Wilson's Disease patients.