Susceptibilidad in vitro de cepas de Helicobacter pylori: aislamiento de cepas resistentes a claritromicina
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...
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| Autores principales: | , , , , , , |
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| Lenguaje: | Spanish / Castilian |
| Publicado: |
Sociedad Médica de Santiago
2001
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872001000600007 |
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| Sumario: | 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 |
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