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Órgano Oficial de la Asociación Mexicana de Hepatología

2012, Number 2

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Ann Hepatol 2012; 11 (2)

Prevalence of hepatitis A, B and C serological markers in children from western Mexico

Escobedo-Meléndez G, Fierro NA, Roman S, Maldonado-González M, Zepeda-Carrillo E, Panduro A

Language: English
References: 36
Page: 194-201
PDF size: 102.60 Kb.


ABSTRACT

Introduction. Viral hepatitis in children is a major public health problem worldwide. Aim. To evaluate the prevalence of serological markers for hepatitis A, B and C infections in Mexican children diagnosed with hepatitis during a five-year period. Material and methods. A total of 31,818 children admitted to a tertiary level hospital in Mexico from 2005 to 2009 were evaluated for hepatitis. Results. Hepatitis was found in 215 (0.7%) of the children. Serum samples from hepatitis-positive children were screened for anti-HAV IgM, HBsAg, total anti-HBc and anti-HCV. HAV was the leading cause of viral hepatitis (81%), followed by HBV and HCV (3.1 and 2%, respectively), whereas no serological marker was observed in 13.9% of the analyzed samples. Furthermore, when children were categorized by age, a significant increase in anti-HAV detection was observed in school-aged children (7-11 years old) (p ‹ 0.001) and a reduction in adolescents (12-15 years old). Conclusion. In conclusion, hepatitis A is the most prevalent viral hepatitis infection detected in children, followed by HBV and HCV. In addition, the high percentage of hepatitis infections without a known etiological agent and the serological test limitations require the detection of occult HBV, HCV and hepatitis E infections. The age-dependent vulnerability of groups with HAV infections emphasizes the importance of HAV vaccination in young children in Mexico.


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