Helicobacter pylori is accepted as an important factor in the pathogenesis of peptic ulcer disease. Infection is probably most commonly acquired in early life but there is still limited information on the prevalence or symptomatology of H. pylori infection in childhood. The aim of the present study was to establish the prevalence of H. pylori infection in a large sample of urban school children and to determine its relationship, if any, to a history of recurrent abdominal pain. Using a commercial ELISA significant levels of anti-H. pylori IgG antibody were detected in 107/640 (16.7%) of school children (M, 383; F, 257; mean age 9.15 years, range 4-13). No relationship was demonstrated between H. pylori seropositivity and a personal or family history of recurrent abdominal pain or the nature of the pain.
Although a ubiquitous pathogen, cytomegalovirus (CMV) is very rarely thought to be the cause of significant gastrointestinal infection in the immunocompetent child. We report the case of a 2-month-old infant who presented with bloody diarrhoea and severe dehydration, which was subsequently diagnosed as CMV enterocolitis and resolved spontaneously without antiviral treatment.
The clinical recognition of Helicobacter pylori gastritis in children with recurrent abdominal pain is difficult. We assessed the value of a simplified 13C urea breath test (13C-UBT) in a selected group of children with nocturnal waking and disruptive recurrent abdominal pain who fulfilled criteria for endoscopy. Gastric antral biopsies were examined histologically and by the quick urease test and were compared with H. pylori serology and the 13C-UBT in a prospective study of 50 children referred to a tertiary center. Thirty-two patients had gastritis and of these, 19 had histologically proven H. pylori gastritis. Seventeen of these 19 patients had a positive 13C-UBT. The sensitivity and specificity of the 13C-UBT compared with the histologic diagnosis of H. pylori was 89 and 90% respectively. The 13C-UBT was more specific than the H. pylori serology. The 13C-UBT using two breath collections is a reliable and noninvasive diagnostic test for H. pylori infection in children.
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