Comparative study of rapid urease test and histopathological examination for detection of H. pylori infection
DOI:
https://doi.org/10.18203/2349-2902.isj20175413Keywords:
Anti H. Pylori treatment, H. Pylori, RUTAbstract
Background: Aims and objectives of the study was to study the incidence of H. pylori infection in our Hospital. To find out the sensitivity and specificity of rapid urease test (RUT) and histopathological examination for the detection of H. pylori on gastric biopsy. To study the effect of anti H. pylori drugs by performing follow-up endoscopy in terms of positive or negative Rapid Urease Test and Histopathological Examination report.
Methods: The study was conducted at Dr. D. Y. Patil Medical College and Hospital, DPU University, for a period of 2 years (from July 2012-September 2014) and is a prospective and comparative randomized type of study using 100 patients. The study was approved by the Institute’s Ethics Committee.
Results: Data analysis showed that: In our study 84 patients (84%) were detected positive by RUT method. In our study 83 patients (83 %) were detected positive by HPE method. There was an association between RUT and HPE finding in study group with the sensitivity being 96.38 % and specificity being 74.47 %, PPV was 95.24% and NPV was 81.25%. At the time of follow up after taking anti H pylori treatment, 79 patients were RUT negative and 8 were RUT positive who were defaulters (not taken complete dose) and again started on treatment with the accuracy of the drug being 98.85 %. At the time of follow up after taking anti H pylori treatment 78 patients were HPE negative and 9 were HPE positive who were defaulters (not taken complete dose) and again started on treatment. There was an association between RUT and HPE finding at follow up with the sensitivity being 88.89 % and specificity being 100%, PPV was 100% and NPV was 98.73%.
Conclusions: Our study reveals that RUT is accurate for the diagnosis of H. pylori infection and its use will serve as a good alternative to histology in management of patients with dyspepsia in resource poor environments, except in patients who need histology for reasons other than H. pylori diagnosis.
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