Abstract
Background and aimsAdvanced liver fibrosis is an important predictor of liver disease progression and mortality, and current guidelines recommend screening for complications of cirrhosis once patients develop F3 fibrosis. Our study compared liver disease progression and survival in patients with stage 3 (F3) and stage 4 (F4) fibrosis on liver biopsy.MethodsRetrospective study of patients with F3 or F4 on liver biopsy followed for development of liver disease complications (variceal bleeding, ascites, and hepatic encephalopathy); hepatocellular carcinoma, and survival (overall and transplant free survival).ResultsOf 2488 patients receiving liver biopsy between 01/02 and 12/12, a total of 294 (171 F3) were analyzed. Over a median follow up period of 3 years, patients with F4 (mean age 53 years, 63% male) compared to F3 (mean age 49 years, 43% male) had higher five year cumulative probability of any decompensation (38% vs. 14%, p<0.0001), including variceal bleed (10% vs. 4%, p = 0.014), ascites (21% vs. 9%, p = 0.0014), and hepatic encephalopathy (14% vs. 5%, p = 0.003). F4 patients also had lower overall 5-year survival (80% vs. 93%, p = 0.003) and transplant free survival (80% vs. 93%, p = 0.002). Probability of hepatocellular carcinoma in 5 years after biopsy was similar between F3 and F4 (1.2% vs. 2%, p = 0.54).ConclusionsCompared to F4 stage, patients with F3 fibrosis have decreased risk for development of liver disease complications and better survival. Prospective well designed studies are suggested with large sample size and overcoming the limitations identified in this study, to confirm and validate these findings, as basis for modifying guidelines and recommendations on follow up of patients with advanced fibrosis and stage 3 liver fibrosis.
Highlights
Chronic liver disease progresses through varying stages of fibrosis to cirrhosis.[1]
Retrospective study of patients with F3 or F4 on liver biopsy followed for development of liver disease complications; hepatocellular carcinoma, and survival
Over a median follow up period of 3 years, patients with F4 compared to F3 had higher five year cumulative probability of any decompensation (38% vs. 14%, p
Summary
Chronic liver disease progresses through varying stages of fibrosis to cirrhosis.[1]. The METAVIR scoring system developed in France in 1993, has been adapted for histological staging of liver disease in most etiologies of chronic liver disease.[2,3,4,5] According to this staging system, stage 3 fibrosis (F3) is defined as “bridging fibrosis” evidenced by fibrotic bridging that extends across lobules, between portal areas, and between portal areas and central veins. It is an extension from stage 2 fibrosis in which fibrosis is limited to periportal or perivenular areas. Our study compared liver disease progression and survival in patients with stage 3 (F3) and stage 4 (F4) fibrosis on liver biopsy
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