Evaluation of 13C-urea breath test in the detection of Helicobacter pylori and in monitoring the effect of tripotassium dicitratobismuthate in non-ulcer dyspepsia.

摘要: Sixty nine patients with non-ulcer dyspepsia have been studied endoscopy, biopsy, quick urease (CLO) test, Helicobacter pylori culture, and the 13C-urea breath test before after treatment tripotassium dicitratobismuthane (DeNol) two tablets twice daily for four weeks. Symptoms of were recorded using a standard questionnaire. Using H culture as gold standard, sensitivity was 90%, specificity 98.6%, accuracy 94.8% positive predictive value 98.2% negative 92.5%. Conversion rate from to status dicitratobismuthate 17.9%. improved appreciably irrespective status. The is an accurate research tool suitable serial testing population surveys.