e, portal pressure measurement) A careful technique is necessar

e., portal pressure measurement). A careful technique is necessary in order to obtain a quality specimen and to minimize the risks inherent to the procedure. “
“Clinical and histologic progression of liver disease in untreated children with chronic hepatitis C virus (HCV) HDAC inhibitor infection is poorly documented. The aim of this retrospective study was to characterize changes in liver histology over time in a cohort of HCV-infected children who had more

than one liver biopsy separated by over 1 year. Forty-four untreated children without concurrent liver diseases, who had repeat liver biopsies at eight U.S.-based medical centers, were included. Biopsies were scored by a single pathologist for inflammation, fibrosis, and steatosis and were correlated with demographic data including age at biopsy, time from infection to biopsies, and laboratory values such as serum alanine aminotransferase (ALT). Mode of transmission was vertical in 25 (57%) and from transfusions in 17 children (39%). Genotype 1 was present in 30/35 (84%) children. The mean age at first and final biopsy was 8.6 and 14.5 years, respectively,

and Sirolimus supplier the mean interval between biopsies was 5.8 ± 3.5 years. Duration of infection to biopsy was 7.7 and 13.5 years, respectively. Laboratory values did not change significantly between the biopsies. Inflammation was minimal in about 50% at both timepoints. Fibrosis was absent in 16% in both biopsies, limited to portal/periportal in 73% in the first biopsy, and 64% in the final biopsy. Between the two biopsies, the proportion of patients

with bridging fibrosis/cirrhosis increased from 11% to 20% (P = 0.005). Conclusion: Although in aggregate this cohort did not show significant histologic progression of liver disease over 5 years, 29.5% (n = 13) of children showed an increase in click here severity of fibrosis. These findings may have long-term implications for the timing of follow-up biopsies and treatment decisions. (Hepatology 2013;58:1580–1586) Chronic hepatitis C (CHC) infection progresses insidiously over several decades. While the natural history of histologic progression in adults is well studied, until recently there have been only a few reports describing the histologic progression of CHC in children. Studies published from the Far East and Europe point to a relatively benign outcome,[1-4] whereas a few reports from the United States suggest that fibrosis, cirrhosis, and even hepatocellular carcinoma may occur in children with CHC.[5-7] In the past few years, several large treatment studies have been reported from Europe and the U.S. that have highlighted a wide spectrum of histologic findings in CHC liver disease in children and adolescents.

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