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  • Title: Helicobacter pylori infection in recurrent abdominal pain.
    Author: Bansal D, Patwari AK, Malhotra VL, Malhotra V, Anand VK.
    Journal: Indian Pediatr; 1998 Apr; 35(4):329-35. PubMed ID: 9770887.
    Abstract:
    OBJECTIVE: To study the relationship between Helicobacter pylori (Hp) infection and recurrent abdominal pain (RAP) and to evaluate various modalities to diagnose Hp infection. DESIGN: Prospective case control study. SETTING: Teaching hospital. METHODS: Children between 3-12 years of age with RAP in whom upper gastrointestinal endoscopic examination was indicated were studied. Endoscopic biopsy specimen were collected from duodenum, antrum and esophagus. Apart from histopathological examination of biopsy material, rapid urease test (RUT) of the antral biopsy specimen and blood examination to estimate specific IgG antibodies to Hp by Indirect Solid Phase Enzyme Immunoassay was performed. The results of Hp IgG antibodies was compared with age matched controls. RESULTS: Thirty one children with RAP were subjected to endoscopic examination and their anti Hp IgG antibodies status compared with 26 controls. Hp colonization was detected in 7 children (23%) with RAP; by RUT in 23% and antral biopsy in 16% of cases. Anti Hp IgG antibodies were also positive in almost equal proportion (19%) of controls (p = 0.757). Endoscopic examination revealed esophagitis in 16% of cases and none had evidence of gastric or duodenal erosion, ulcer or cobblestone appearance of antrum. A significant correlation of Hp was noticed with chronic antral gastritis (p = 0.002), chronic duodenitis (p = 0.02) and age > 10 years (p = 0.02). No significant correlation was noticed between Hp colonization and various socioeconomic risk factors. CONCLUSION: Hp does not seem to be commonly associated with RAP in our patient population as Hp colonization was detected in only 23% of cases which was not significantly higher than the seroprevalence of anti Hp IgG antibodies in the controls. However, a small sample size of our study limits drawing any firm conclusions. Antral gastritis and chronic duodenitis had a significant correlation with Hp colonization. RUT was found to be a reliable diagnostic test to detect Hp.
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