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The significance of the HBe system in an area highly endemic for hepatitis B virus

Die Bedeutung des HBe-Systems in einem hochgradigen Hepatitis-B-Virus-Endemiegebiet

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Summary

A group of 164 consecutive patients with chronic liver disease and 60 healthy HBsAg carriers were investigated in an area highly endemic for hepatitis B virus (HBV). Eighty-two of the 164 patients (50%) were found to be HBsAg-positive and only 39 (24%) had no HBV markers. A statistically significant correlation was found in the HBsAg-positive patients between the HBe system, their age and the time which had elapsed since their acute episode. Thus, the prevalence of HBeAg decreased with increasing age and with increasing time since their acute episodes. Furthermore, a statistically significant correlation was found between the presence of HBeAg and active chronic liver disease. Of the patients with chronic active hepatitis with or without cirrhosis, all patients below the age of 13 years were HBsAg-positive and 72% were also HBeAg-positive. The data suggest that the HBeAg-positivity in HBsAg carriers is of limited duration and that the seroconversion from HBeAg to anti-HBe is related to a histologically less active or inactive stage of the disease.

Zusammenfassung

In einem hochgradigen Endemiegebiet für das Hepatitis-B-Virus (HBV) wurden 164 nacheinander eingewiesene Patienten mit chronischer Lebererkrankung und 60 gesunde HBsAg-Träger untersucht. 82 der 164 Patienten (50%) waren HBsAg-positiv und nur 39 (24%) hatten keine HBV-Marker. Bei HBsAg-positiven Patienten wurde eine statistisch signifikante Korrelation zwischen dem HBe-System, dem Alter der Patienten und dem zeitlichen Abstand zur akuten Erkrankung festgestellt. Entsprechend war die Prävalenz von HBeAg um so geringer, je länger die akute Erkrankung zurücklag. Zwischen dem Vorhandensein von HBeAg und chronisch aktiver Lebererkrankung fand sich ebenfalls eine statistisch signifikante Korrelation. Alle Patienten mit chronisch aktiver Hepatitis mit oder ohne Zirrhose, die jünger als 13 Jahre waren, waren HBsAg-positiv, 72% von ihnen auch HBeAg-positiv. Daraus läßt sich schließen, daß HBeAg-Positivität bei HBsAg-Trägern von begrenzter Dauer ist, und daß die Serokonversion von HBeAg zu anti-HBe mit einem Stadium geringer histologischer Aktivitätszeichen oder mit einem inaktiven Krankheitsstadium korreliert.

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Correspondence to Nicola Caporaso M. D..

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Del Vecchio-Blanco, C., Caporaso, N., Balzano, A. et al. The significance of the HBe system in an area highly endemic for hepatitis B virus. Infection 11, 13–16 (1983). https://doi.org/10.1007/BF01651351

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Keywords

  • Chronic Liver Disease
  • Chronic Active Hepatitis
  • Acute Episode
  • HBsAg Carrier
  • Active Chronic Liver Disease