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1.
Artículo en Ruso | MEDLINE | ID: mdl-9949509

RESUMEN

26,740 blood donors and persons of high risk groups with respect to HBV infection, residing in different regions of Belarus, were examined for the presence of HBsAg in 1983-1997. Of these, 1372 persons (5.1%) were found to have HBsAg, and out of 1081 HBsAg-positive persons anti-HDV antibodies (Ab) were detected in 96 persons (8.9%). In spite of a decrease in acute virus hepatitis B morbidity and in HBsAg carriership, the occurrence of anti-HBV Ab remained stable during the period of 16 years and was equal, on the average, about 4% among asymptomatic HBsAg carriers. Patients having tuberculosis, rheumatoid arthritis, diabetes mellitus, hematological diseases, chronic hepatitides and cirrhosis of the liver were an important reservoir of HBV and HDV infections for regions with the low level of the spread of HBV. A decrease in the detection rate of anti-HDV Ab in patients with cirrhosis of the liver from 47.6% to 15.4% was noted. In 1991-1997 a decrease in the detection rate of anti-HDV Ab in patients with chronic hepatic lesions in comparison with 1983-1990 was observed, and in the age group older than 50 years this decrease was from 33.3% to 8.3%. This difference was particularly pronounces in patients with cirrhosis of the liver: 53.9% and 7.7% respectively.


Asunto(s)
Donantes de Sangre , Hepatitis D/epidemiología , Tamizaje Masivo/métodos , Adolescente , Adulto , Portador Sano , Niño , Preescolar , Estudios Transversales , Anticuerpos Antihepatitis/sangre , Antígenos de Superficie de la Hepatitis B/sangre , Virus de la Hepatitis Delta/inmunología , Humanos , Lactante , Recién Nacido , Persona de Mediana Edad , Prevalencia , República de Belarús/epidemiología , Factores de Riesgo
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