Journal
HELICOBACTER
Volume 26, Issue 1, Pages -Publisher
WILEY
DOI: 10.1111/hel.12764
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This study investigated susceptibility tests and eradication rates of H. pylori-positive children over a 12-year period. The results showed that antimicrobial susceptibility testing can significantly improve rates of primary eradication of H. pylori infection.
Background Helicobacter pylori(H. pylori) infection causes chronic gastritis, duodenal and to a lesser extent, gastric ulcers, and gastric cancer. MostH. pyloriinfections are acquired in childhood, and effective treatment of childhood infection is very important. Esophagogastroduodenoscopy (EGD) is useful for endoscopic diagnosis, mucosal tissue biopsy, and culture examination forH. pyloriin children and adults. In this paper, we report results of susceptibility tests and eradication rates inH. pylori-positive children who underwent EGD over a 12-year period. Materials and Methods The subjects wereH. pylori-positive pediatric patients who had gastrointestinal symptoms and underwent EGD in the Department of Pediatrics, Juntendo University Hospital (January 2007-December 2018). Patients underwent serum IgG antibody tests, fecal antigen tests, or urea breath tests, and subsequently, culture tests by gastric mucosal biopsy during EGD.H. pyloripositivity was defined as a positive result on both tests. Patients received triple therapy for 14 days using our regimen, and eradication was assessed at 2, 6, and 12 months after therapy. Results Forty-five patients wereH. pylori-positive, and the overall clarithromycin (CAM) resistance rate was 71.1 % (32/45). The CAM resistance rate for the 2013-2018 period was significantly higher than the 2007-2012 period (52.6% vs. 84.6%,P < 0.05). According to the results of the antimicrobial susceptibility test, we prescribed effective antibiotics, and this resulted in a primary eradication rate of 97.7%. Conclusions We suggest that antimicrobial susceptibility testing can significantly improve rates of primary eradication ofH. pyloriinfection.
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