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HCV genotype and "Silent" HBV coinfection: two main risk factors for a more severe liver disease
Tanta Medical Sciences Journal. 2007; 2 (1): 15-26
en Inglés | IMEMR | ID: emr-111814
ABSTRACT
To evaluate whether HCV genotype and "silent" HBV infection may be related to a more severe clinical presentation of liver disease. 40 anti-HCV/HCV-RNA positive, HB5Ag/anti-HB5 negative patients with chronic hepatitis [27 males and 13 females, median age 43 +/- 6.98] years, were studied on presentation at National Liver Institute, Menofia University. Presence of serum anti-HBc, in absence of HBsAg and anti-HBs, was considered a marker of "silent" HBV infection. Two main diagnosis groups were established the mild liver disease group [G1 n20], and the severe liver disease group [G2 n20]. The prevalence of silent HBV infection in HCV patients was 50% where out of the 40 anti-HCV/HCV-RNA positive, HBsAg and anti-HBs negative patients with a definite diagnosis, 20 patients [50%] were anti-HBc positive. Of the 20 anti-HBc positive patients, HBeAg/anti-HBc system was investigated, where 14 patients [70%] were anti-HBe positive and 6 patients [30%] were anti-HBe negative. None of these 20 patients was HBeAg positive. Twelve [60%] out of the 20 HBcAb ve cases were found to be positive for serum HBV-DNA by PCR. In the present study, it was found that the prevalence of a severe liver disease was higher in anti-HBc positive cirrhotic HCV patients lacking both HBsAg and anti-HBs [silent HBV infection] than in cirrhotic HCV patients with no markers of HBV infection [80% vs. 20%, P<0.001], indicating that a "silent HBV infection" may unfavorably influence the course of the disease. This was observed both in HBV-DNA positive and in HBV-DNA negative patients and regardless HCV genotype. Silent HBV infection seems to be a major risk factor for an unfavorable course of the disease. The observation that anti-HBc positive/HBV-DNA negative patients show a similar prevalence of severe liver disease to anti-HBc/HB V-DNA positive patients and a significantly higher prevalence than anti-HBc negative cases supports further the view that isolated serum anti-HBc is a marker of clinical

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Índice: IMEMR (Mediterraneo Oriental) Asunto principal: Reacción en Cadena de la Polimerasa / Prevalencia / Hepatitis B Crónica / Genotipo / Cirrosis Hepática / Pruebas de Función Hepática Tipo de estudio: Estudio de prevalencia Límite: Femenino / Humanos / Masculino Idioma: Inglés Revista: Tanta Med. Sci. J. Año: 2007

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Índice: IMEMR (Mediterraneo Oriental) Asunto principal: Reacción en Cadena de la Polimerasa / Prevalencia / Hepatitis B Crónica / Genotipo / Cirrosis Hepática / Pruebas de Función Hepática Tipo de estudio: Estudio de prevalencia Límite: Femenino / Humanos / Masculino Idioma: Inglés Revista: Tanta Med. Sci. J. Año: 2007