Objective: Describe resistance to beta lactam antibiotics of Pseudomonas aeruginosa in community infection within HIV-1 infected persons. Methods: We have studied prospectively from June 15th to December 31st 2013 inthe Clinic Hotel-Dieu and NGO VISA of Lomé, adult HIV-1 infected patients under anti retroviral therapy combining tenofovir, lamivudine and efavirenz for at least one year. The technique of agar diffusion susceptibility using discs of Ticarcillin + clavulanic acid is used to study the β-lactamase production. The diagnosis of species was performed by the chloroform test and the test for sensitivity to kanamycin and colistin. Results: Thirty five strains of Pseudomonas aeruginosa were obtained. The T-lymphocytes CD4 mediane was 575 cells/mm3 of blood. Urine represented 15 cases, skin abscesses 11 cases, externa suppurate otitis 7 cases and vaginal swab for 2 cases. The phenotypes were: wild phenotypes 23 cases (65.7%), resistant phenotypes 12 cases. Among resistant phenotypes, 4 were complex phenotype; 5 were ESBL phenotypes; 2 were hyper productive cephalosporinases phenotypes and 1 was a specific phenotype with impermeability to imipenem. Conclusion: The acquisition of resistance of Pseudomonas aeruginosa to beta lactam antibiotics in community infections among HIV-1 infected person incentives controls and promotes the rational use of antibiotics.
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