Introduction- Enterococci are part of normal intestinal flora of humans and animals but have also emerged as important
pathogens responsible for serious infections in hospital and community acquired infections.it is second most common
cause of nosocomial infections in gastrointestinal tract, wound and genitourinary tract. To process all the clinicalAim-
samples from various department in our hospital, for isolation of Enterococci spp. To speciate the isolates & to have
resistance pattern of the isolates of vancomycin total 926 sample were collected from both outMaterial & Methods-
patients and in patient in all clinical departments and transported to microbiology laboratory. specimens were
processed by inoculating on to blood agar, MacConkey Agar, nutrient agar, potassium tellurite agar and incubated at
37°C for24-48 hr. Enterococci were identified by their typical arrangement in and salt tolerance test Gram stain, bile
esculin test and biochemical tests. Antimicrobial susceptibility patterns were determined by performing Kirby-Bauer
disc diffusion method and Minimum inhibitory concentration (MIC) values were identified by tube dilution methods.
Result- a total of 926 sample, 645 (69.72%) were culture positive and 281 (30.28%) were culture negative. Among 645
culture positive cases, 81(12.55%) were Enterococcus faecalis. Antimicrobial susceptibility & MIC done as per standard
protocols. The E. Faecalis showed 99% sensitive to Vancomycin. the resistance to vancomycin was 1% & further
confirmed by MIC via tube dilution methods. In which MIC was ≥32 μg/ml in one isolate. About 8 of Enterococcal strains
showed MIC of 0.0125μg/ml. species level identification of Enterococcus is important forConclusions-
epidemiological study and also for analysis of drug resistant pattern. Effective detection of vancomycin resistance helps
in reducing the morbidity and mortality of VRE in hospitalized patients.
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