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Antibiotic resistance pattern of enterococcal isolates from patients with urinary tract infection

Kalpana Devi V, Senthil Chander, B. Ananthi, Sopia Abigail, Kalavathy Victor

International Journal of Biomedical Research, 2017

3 citations

Abstract

Background: Enterococci are the most common cause of healthcare associated urinary tract infections.The frequency of isolation of Enterococci from urinary tract of hospitalized patients has risen.Enterococcus is considered as an important nosocomial pathogen because of its intrinsic as well as acquired resistance to antibiotics.The purpose of this study is to determine the emergence of Enterococci as uropathogens and their antimicrobial susceptibility pattern.Materials and methods: This cross sectional study was conducted at the Department of Microbiology, A.C.S Medical College and Hospital.A total of 175 Enterococcus spp were isolated from patients with urinary tract infection.Identification and speciation of the Enterococcal isolates were done using conventional method.The antibiotic susceptibility testing of the Enterococcal isolates was performed by modified Kirby-Bauer disk diffusion method as per Clinical Laboratory Standard Institute (CLSI) guidelines.Results: A total of 175 urine specimens yielding the growth of Enterococci were studied.Enterococcus faecalis (77.7%) was the predominant species isolated followed by E. faecium (20%) and E. durans (2.3%).The sensitivity pattern of the isolates showed an increased resistance to antibiotics like erythromycin (66.3%), ciprofloxacin (56%) and penicillin (49.7%).The HLAR (High Level Aminoglycoside Resistance) to gentamycin was observed in 37.2%, however the susceptibility rate of nitrofurantoin was 86.9%, amoxicillin…

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