Review Helicobacter pylori susceptibility testing by ... - Semantic Scholar

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aPublic Health Laboratory, Gloucestershire Royal Hospital, Great Western Road, ... with the Mueller–Hinton agar base for metronidazole testing are
JAC

Journal of Antimicrobial Chemotherapy (2002) 49, 601–609

Review Helicobacter pylori susceptibility testing by disc diffusion Cliodna McNultya* and the PHLS Helicobacter Working Group: Robert Owenb, David Tompkinsc, Peter Hawtind, Kenneth McColle, Ashley Pricef, Gillian Smithg and Louise Teareh a

Public Health Laboratory, Gloucestershire Royal Hospital, Great Western Road, Gloucester GL1 3NN; b Helicobacter Reference Unit, PHLS Central Public Health Laboratory, 61 Colindale Avenue, London NW9 5HT; cPublic Health Laboratory, Bridle Path, York Road, Leeds TS15 7TR; d Public Health Laboratory, Southampton General Hospital, Southampton SO16 6YD; e Department of Medicine & Therapeutics, University of Glasgow, Western Infirmary, Glasgow GL11 6NT; f Department of Cellular Pathology, Northwick Park & St Mark’s Hospitals, Watford Road, Harrow HA1 3UJ; g PHLS Communicable Disease Surveillance Centre, Lincoln House, Birmingham Heartlands Hospital, Bordesley Green East, Birmingham B9 5SS; hPublic Health Laboratory, New Writtle Street, Chelmsford CM2 0YX, UK The bacterium Helicobacter pylori is found in c. 40% of the population and is responsible for the development of duodenal disease. Triple treatment with a proton-pump inhibitor or bismuth salt plus two antibiotics is now commonplace in all patients diagnosed. As antibiotic resistance reduces treatment efficacy, it is time to consider routine susceptibility testing to guide individual patient treatment and surveillance of antibiotic resistance. There are no published nationally agreed standards for disc diffusion testing of H. pylori. After reviewing the literature, we recommend the following method for disc diffusion tests. A suspension of cultures