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Original Article

Helicobacter pylori and Duodenal Ulcer. A Study of Duodenal Ulcer Patients and Their First-Degree Relatives

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Pages 45-51 | Published online: 08 Jul 2009
 

Abstract

Out of 59 duodenal ulcer (DU) probands and their 199 first-degree relatives Giemsa-staining for the determination of Helicobacter pylori (HP) was performed in 51 probands and 155 relatives. Controls were matched by age and sex from a family sample representing the same geographical area. In all, 155 controls were found for the probands and relatives. The occurrence and score of HP density showed an excellent correlation with morphology of the mucosa, signs of acute inflammation and presence of gastric metaplasia in the duodenal bulb. The prevalence of HP was 94% in DU probands and significantly higher than in their relatives and controls. In sibs of DU probands the prevalence of HP (64%) was also significantly higher than in controls (51%) obviously due to the presence of a subgroup of sibs with signs of active or past duodenal ulcer disease, which show higher than expected prevalence of HP, and of acid hyper secretion and high levels of serum pepsinogen I (PG I). Peak acid output (PAO), serum pepsinogen I and II and fasting serum gastrin levels were in relatives without atrophy higher in HP positive than negative cases but significant differences were present only with regard to the pepsinogens. The occurrence of HP positivity as well as of high PAO and pepsinogen levels might be considered risk factors of DU disease in close relatives of DU probands. On the other hand, the significance of HP positivity as cause of abdominal complaints is doubtful, in view of the complete lack of correlation between HP and morphology and complaints in the present study.

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