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Revista médica de Chile

versión impresa ISSN 0034-9887

Resumen

GONZALEZ C, Carlos et al. In vitro antimicrobial susceptibility of Helicobacter pylori strains isolated in Chile. Rev. méd. Chile [online]. 2001, vol.129, n.6, pp.643-646. ISSN 0034-9887.  http://dx.doi.org/10.4067/S0034-98872001000600007.

Background: Our laboratory has carried out an epidemiological surveillance of Helicobacter pylori antimicrobial susceptibility since 1997. Aim: To report the antimicrobial susceptibility of H pylori strains, isolated in Chile from August 1997 to August 2000. Material and methods: Ninety one H pylori strains, obtained from antral gastric biopsies during upper gastrointestinal endoscopies were studied. Susceptibility towards clarithromycin, amoxicillin, bismuth subcitrate and metronidazole was studied by an agar diffusion technique. Results: All strains were susceptible to amoxicillin and two strains were resistant to clarithromycin. Forty two percent of strains were resistant to metronidazole and 13% were resistant to bismuth subcitrate. Conclusions: These results underscore the need to maintain an epidemiological surveillance of H pylori antimicrobial susceptibility, to modify its eradication therapy accordingly. (Rev Méd Chile 2000; 129; 643-6

Palabras clave : Amoxicillin; Antibiotics; Bismuth; Helicobacter pylori; Metronidazole.

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