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Clinical, histological, and virological features of hepatitis C virus carriers with persistently normal or abnormal alanine transaminase levels.

Authors
Type
Published Article
Journal
Hepatology (Baltimore, Md.)
Publication Date
Volume
26
Issue
6
Pages
1393–1398
Identifiers
PMID: 9397976
Source
Medline
License
Unknown

Abstract

This study was aimed to evaluate demographic, clinical, histological, and virological characteristics of 46 hepatitis C virus (HCV) carriers with persistently normal alanine transaminase (ALT) levels and to compare the results with those obtained in a group of 52 HCV-RNA-positive patients with elevated ALT levels. Subjects with normal ALT were more often females (P < .001), were more likely to be asymptomatic (P < .001), and have a lower incidence of risk factors for HCV transmission (P < .01). All patients with normal ALT had significant histological liver damage. The mean grading and staging did not differ between patients with normal and those with raised ALT concentrations. Moderate to severe hepatitis was more frequently found among subjects with normal than with elevated ALT. HCV genotype 2a was far more common in subjects with normal (43%) than with abnormal ALT levels (6%; P < .002), genotype 1b being more frequent in these latter (50% vs. 17%; P < .001). Patients with normal ALT levels had similar serum HCV-RNA titers than subjects with raised ALT. Neither HCV genotype distribution nor viral load correlated with the severity of liver damage. We conclude that significant liver disease may occur irrespective of clinical symptoms, ALT levels, HCV genotypes, and viral load.

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