Lack of association between Helicobacter pylori infection and biliary tract diseases.

There are ambiguous results about the involvement of Helicobacter species in production of hepatobiliary diseases. This study was aimed to investigate any possible association between the presences of Helicobacter spp., their genotypes and occurrence of different biliary diseases.

Non-alcoholic fatty liver disease prevalence among school-aged children and adolescents in Iran and its association with biochemical and anthropometric measures.

Objective: To investigate the prevalence of non-alcoholic fatty liver disease (NAFLD) as well as the determination of associated metabolic abnormalities in Iranian school-aged children and adolescents.

Method: Data were obtained from 966 children aged 7-18 years in Iran by a cross-sectional survey in 2007. These children were subjected to a complete anthropometric and laboratory measurement and abdominal ultrasonography for liver echogenicity and size.