A STUDY TO DETERMINE THE PREVALENCE OF VARIOUS ENTEROCOCCUS SPECIES AND THEIR ANTIBIOTIC RESISTANCE PATTERN AMONG URINARY ISOLATES: AN OBSERVATIONAL INVESTIGATION.
Abstract
Aim: To determine the prevalence of various enterococcus species and their antibiotic resistance pattern among urinary isolates.
Materials and Methods: The samples were collected from all hospitalized patients department of microbiology, Netaji Subhas Medical College and Hospital, Bihta, Patna, Bihar India from Oct 2019 to March 2020. A total of 200 Enterococcus species isolated from urine samples were included in the study. Only one isolate per patient was included in the study.
Results: The present study shows a high incidence of enterococcal UTI among females (120) compare to males(80) so Male to Female ratio was 0.66.Most common species found in present study was Enterococcus faecalis 124 (62%) followed by E. faecium56 (28%), E. durans 14 (7%) and E. avium 6 (3%). In present study the Ampicillin, Piperacillin, Ciprofloxacin, Norfloxacin, Nitrofurantoin, Gentamicin, Vancomycin and Linezolid antibiotic discs was tested by Kirby-Bauer disc diffusion method. Linezolid was most effective among all showed sensitivity for (87.50%), followed by vancomycin sensitive to (64.50%) on isolates, Nitrofurantoin sensitive to(50.50%)on isolates, Ampicillin sensitive to (36%) isolates, Piperacillin sensitive to (31%) isolates, and other was least effective . High level Gentamicin was tested for HLAR detection, this was sensitive to (42%) on isolates.
Conclusion: E. faecalis and E. faecium found to be the most prevalent species which confer resistance to various groups of antibiotics. E. faecium found to be more resistant species then E. faecalis.
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