Antimicrobial susceptibility of Helicobacter pylori determined by the E test using tetrazolium egg yolk agar

Y. Valdez, B. Velapatino, R. H. Gilman, V. Gutierrez, C. Leon

Research output: Contribution to journalArticle

Abstract

Metronidazole and tetracycline E tests were compared to an agar dilution method for the antimicrobial susceptibility testing of Helicobacter pylori. Sixteen strains were tested by using tetrazolium egg yolk (TEY) agar. The characteristic E test inhibition ellipse was clearer on TEY agar than on standard blood agar and gave results comparable to those of the agar dilution test. The use of TEY medium is preferable to that of blood agar medium in E test MIC determinations for H. pylori.

Original languageEnglish (US)
Pages (from-to)2784-2785
Number of pages2
JournalJournal of clinical microbiology
Volume36
Issue number9
DOIs
StatePublished - 1998

ASJC Scopus subject areas

  • Microbiology (medical)

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