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  • Title: [Autoimmune chronic active hepatitis].
    Author: Renner EL.
    Journal: Ther Umsch; 1993 Feb; 50(2):100-9. PubMed ID: 8456413.
    Abstract:
    Autoimmune chronic active hepatitis is a rare type of chronic active hepatitis which occurs with a bimodal age distribution (10 to 30 or > or = 50 years) most frequently in women. It is characterized by negative markers for other possible (e.g. viral) etiologies, hypergammaglobulinemia and a number of circulating autoantibodies. According to the latter, several subgroups can be discriminated today. Histology shows chronic active hepatitis with chronic, sometimes plasma-cell-rich infiltration of portal tracts and piece-meal necroses. Symptoms and signs are classically non-specific and include general malaise, lethargy and fatigue. Accompanying autoimmune diseases may be present. The disease is today, however, also frequently diagnosed in an early, asymptomatic stage. Cause(s) and pathogenetic mechanism(s) of the increasingly heterogeneous appearing disease remain unknown. Recent observations seem to indicate that as yet undetermined (exogenous) substance(s) and the hepatitis C virus may, at least in certain subgroups, trigger autoimmune reactions, which may then perpetuate on the basis of a permissive (immuno)genetic background. Untreated, the disease is, in general, progressive, leads to cirrhosis and shows a mortality of up to > or = 50% in 2 to 4 years. Signs potentially indicating a nonfavorable prognosis include high inflammatory activity and the presence of cirrhosis at diagnosis. Typically, immunosuppressive therapy with corticosteroids (with or without azathioprine) results in remission of inflammatory, but usually not fibro-genetic activity with its potential for cirrhosis. Exacerbations after cessation of treatment are not infrequent (> or = 50%), and indefinite therapy is required in a number of patients, despite its potential for unwanted effects (e.g. osteopenia). Such therapy may increase the 5-year survival rate to > 80%. Liver transplantation remains the sole therapeutic option in end stage disease.
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