A paradigm shift in Enterococcal infections: A cause of concern

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Original Article

Author Details : Archana Rao K*, Ravindranath C

Volume : 5, Issue : 4, Year : 2018

Article Page : 442-445

https://doi.org/10.18231/2394-5478.2018.0091

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Abstract

Introduction: Infections due to Gram-positive bacteria are on a rise, of which those due to Enterococcus spp. form a major part. The shifting pattern of infections caused by Enterococci from novel urinary tract infections to soft tissue and wound infections are increasingly reported.
Objective: The aim of the present study is to isolate, speciate Enterococci, determine the antibiotic resistance pattern and to detect vancomycin resistance by E- test.
Materials and Methods: All wound swabs, pus samples sent for bacterial culture, irrespective of the diagnosis of the patients which were received to the department of microbiology for a period of one year were included in the study. The samples were processed for isolation, identification and speciation of Enterococci. Antimicrobial susceptibility testing was done by Kirby-Bauer disk diffusion method. Vancomycin resistance was determined by E-test.
Results: A total of 3000 pus samples were received over a period of one year. Out of which 43 isolates were detected as Enterococcus species. Among 43 isolates, 26 were E.faecalis, 17 were E.faecium. In present study, ampicillin resistance was seen in 88% followed by resistance to erythromycin (86%) and clindamycin (72%). High level gentamycin resistance was seen in 28% cases. Vancomycin resistance was not detected in any of the samples.
Conclusion: The shifting spectrum of infections due to Enterococcus is gaining inquisitiveness among health care workers especially in the trauma care units. Thus there is a prerequisite to isolate speciate and determine the resistance that helps in holistic health care.

Keywords: Enterococci, Soft tissue infection, Antibiotic resistance, Vancomycin resistance, E test.

How to cite : Archana Rao K, Ravindranath C, A paradigm shift in Enterococcal infections: A cause of concern. Indian J Microbiol Res 2018;5(4):442-445

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