Pattern of drug resistant Helicobacter pylori in dyspeptic patients in Thailand.

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dc.contributor.authorTangmankongworakoon, Nathayaen_US
dc.contributor.authorMahachai, Varochaen_US
dc.contributor.authorThong-Ngam, Duangpornen_US
dc.contributor.authorVilaichone, Ratha-kornen_US
dc.contributor.authorTumwasorn, Somyingen_US
dc.contributor.authorKullavanijaya, Piniten_US
dc.date.accessioned2009-05-27T19:29:20Z
dc.date.available2009-05-27T19:29:20Z
dc.date.issued2003-06-22en_US
dc.descriptionChotmaihet Thangphaet.en_US
dc.description.abstractEmergence of drug resistant Helicobacter pylori (H. pylori) has occurred in various countries and could compromise the efficacy of current treatment regimens. The aim of the study was to identify the pattern of antibiotic resistant H. pylori in Thailand and evaluate various factors associated with drug resistance. Between June 2001 and December 2002, a total of 560 dyspeptic patients who underwent upper gastrointestinal endoscopy at King Chulalongkorn Memorial Hospital were included in this study. Antral gastric biopsies were obtained for H. pylori cultures and susceptibility tests using Epsilometer test (E-test). The value of antibiotic resistant breakpoints were amoxicillin 0.5 microg/ml, clarithromycin 1.0 microg/ml, metronidazole 8 microg/ml, and tetracycline 4 microg/ml, respectively. H. pylori were detected in 315 patients using the rapid urease test (56.25%). Cultures for H. pylori were positive in 172 patients. E-test for all four antibiotics was successfully placed in 79 isolations. The prevalence of antibiotic resistant H. pylori were amoxicillin 13.9 per cent (11/79), clarithromycin 19.0 per cent (15/79), metronidazole 30.4 per cent (24/79), tetracycline 5.1 per cent (4/79), and multi-drugs 16.5 per cent (13/79), respectively. However, age, sex, or endoscopic findings did not differ between the patients with H. pylori resistant strains and sensitive strains. The emergence of antibiotic and multi-drug resistant H. pylori in Thailand were relatively high and these could compromise the efficacy of current treatment regimens. The factors associated with drug resistant H. pylori could not be demonstrated in the present study. Further study in a larger number of patients might be necessary to identify factors associated with resistant H. pylori.en_US
dc.description.affiliationGastroenterology Unit, Department of Internal Medicine, Faculty of Medicine, Chulalongkorn University Hospital, Bangkok 10330, Thailand.en_US
dc.identifier.citationTangmankongworakoon N, Mahachai V, Thong-Ngam D, Vilaichone RK, Tumwasorn S, Kullavanijaya P. Pattern of drug resistant Helicobacter pylori in dyspeptic patients in Thailand. Journal of the Medical Association of Thailand. 2003 Jun; 86 Suppl 2(): S439-44en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/41225
dc.language.isoengen_US
dc.source.urihttps://www.mat.or.th/journal/all.phpen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAged, 80 and overen_US
dc.subject.meshDrug Resistance, Bacterial --physiologyen_US
dc.subject.meshDyspepsia --etiologyen_US
dc.subject.meshFemaleen_US
dc.subject.meshHelicobacter Infections --complicationsen_US
dc.subject.meshHelicobacter pylori --isolation & purificationen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshThailanden_US
dc.titlePattern of drug resistant Helicobacter pylori in dyspeptic patients in Thailand.en_US
dc.typeJournal Articleen_US
dc.typeResearch Support, Non-U.S. Gov'ten_US
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