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  • Title: Chronic hepatitis B. Impact of hepatitis D virus superinfection and the hepatitis B e-system on histological outcome, and correlation of the hepatitis B e-system to HBV-DNA in serum.
    Author: Lindh G.
    Journal: Scand J Infect Dis Suppl; 1986; 50():1-45. PubMed ID: 3468608.
    Abstract:
    Chronic evolution after acute hepatitis B virus infection. During a 13 months period 1977-1978 a total of 129 cases of acute viral hepatitis type B occurred among patients who were admitted with hepatitis to Roslagstull, Hospital, Stockholm, Sweden. Less than 1% progressed to chronicity. Prevalence of Delta superinfection was studied among 60 patients with chronic hepatitis B. Nineteen (32%) were anti-delta positive. The majority of the positive patients were either non-European immigrants or addicts, both 9/19 (47%). Infections with the delta agent was found to have occurred in Stockholm already in the early 1970s. Rate of HBeAg clearance during chronic HBV was studied among 36 HBeAg positive patients. Seroconversion to anti-HBe was noted in 17 patients (47%), whereas HBeAg persisted in 19 during a mean follow-up period of 53 months. The spontaneous annual HBeAg seroconversion rate was 11%. HBeAg clearance occurred as frequently among homosexual men as among patients in other categories. However, 12/14 homosexual men were HBeAg positive after 2 years follow-up, compared with 1/13 drug addicts. Thus, homosexual men seemed to require a longer time for HBeAg seroconversion than i.v. drug addicts. HBV-DNA in serum, a strong indicator of viral particles and infectivity was analysed among patients with HBeAg seroconversion, initial HBeAg negativity and/or delta superinfection. HBV-DNA was found in 75-80% of our HBeAg positive patients. A correlation between chronic liver disease and presence of HBV-DNA in serum was also found. Thus, HBV DNA was found in 63% of patients with CAH or CAH/CI as compared with only 39% of patients with CPH. Delta infected patients had HBV-DNA more often than those without hepatitis D infection. Seven delta infected, anti-HBe positive, patients were still HBV-DNA positive five to eight years later. Therefore delta infected anti-HBe positive patients can be infectious for prolonged periods. Histological outcome. 63% (12/19) anti-delta positive patients were classified as CAH with or without cirrhosis as against 39% (16/41) of the anti-delta negative patients. Eleven of 15 homosexual men (73%) had histological findings classified as CAH or CAH/CI. None of them were superinfected with HDV. Thus homosexual men developed severe hepatic lesions without being delta infected. In contrast 78% (7/9) i.v. drug addicts with CAH were delta infected. A numerical scoring system was applied and compared with conventional morphological classification of liver histology to assess the histological outcome of 42 patients with repetitive liver biopsies.
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