Current Antibiotic Resistance Trends of Uropathogens from Outpatients in a Nigerian Urban Health Care Facility

Ifeanyi A. Onwuezobe* and Ubong E. Etang
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Ifeanyi A. Onwuezobe*: Department of Medical Microbiology and Parasitology, University of Uyo, Akwa Ibom State, Nigeria
Ubong E. Etang: Department of Medical Microbiology and Parasitology, University of Uyo, Akwa Ibom State, Nigeria

International Journal of Healthcare and Medical Sciences, 2018, vol. 4, issue 6, 99-104

Abstract: Background: The widespread use of antibiotics has resulted in emergence of community-acquired antibiotic resistance among uropathogens in outpatient’s population. This constitutes an impediment in the management of urinary tract infection (UTI) in both community and hospital settings. Objective: The aim of this study was to determine the current antibiotic resistance trends, extended spectrum beta-lactamase (ESBL) production and plasmid profile of uropathogens from outpatients. Methods: A total of 370 mid-stream urine samples were collected and cultured by standard methods. Isolated uropathogens were identified using appropriate biochemical methods. The modified Kirby Bauer disk method was used for antibiotic susceptibility test. The ESBL-producing uropathogens were identified and their plasmid DNA extraction and curing were carried out by standard methods. Results: About 35.7% and 32.7% of uropathogens were multi-drug resistant and ESBL-producing respectively. There was higher prevalence of ESBL-production among isolates from female patients (62.5%) when compared to that from male patients (37.5%). The isolated uropathogens were most resistant to Cefotaxime, and most sensitive to Imipenem. Resistance to antibiotics by ESBL-producing uropathogens was found to be plasmid-mediated. Conclusion: Community acquired Uropathogens from outpatients were multidrug resistant due to ESBL production localized on plasmids, a probable cause of treatment failures experienced in Uyo.

Keywords: Outpatients; Uropathogens; Plasmid; Extended spectrum beta-lactamase; Urinary tract infection. (search for similar items in EconPapers)
Date: 2018
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