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Indian Journal of Microbiology Research

“Enterococci speciation and antibiogram: an assessment of data at a tertiary care hospital in Karnataka”

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Author Details: Trupti B. Naik, Lavanya J., Vijaykumar Mane, Amruthkishan K. Upadhya

Volume : 3

Issue : 2

Online ISSN : 2394-5478

Print ISSN : 2394-546X

Article First Page : 130

Article End Page : 135


Background: Enterococci were known to be less virulent in healthy individuals, but recently have become important opportunistic pathogens, especially in hospitalized patients because of their ability to colonize the gastrointestinal tract for long periods which is a crucial factor in the development of drug resistance and have become a major obstacle for treatment.


1.        To determine the species of Enterococci isolated from various clinical samples.

2.        To determine the antimicrobial susceptibility pattern of Enterococci.

Material and Methods: A cross sectional study was conducted at a private tertiary care hospital in Shivamogga district of Karnataka, using secondary data of Enterococcal species isolated from various clinical samples such as urine, blood, pus, sputum, sterile body fluids which were maintained in the Microbiology laboratory registers for a period of 1 year from January 2014 to December 2014. Standard protocols were followed for Enterococcus isolation, identification and to assess their antibiotic susceptibility. Analysis was done using MS Excel 2010.
Results: Out of 66 enterococcal isolates from various clinical samples majority i.e. 32 (48.48%) were isolated from urine followed by pus 22 (33.33%). Majority of the Enterococcus were isolated from females 34 (51.51%). E. faecalis was the predominant isolate i.e. 56 (84.84%). All the isolates were susceptible to Linezolid and Vancomycin. Maximum resistance was seen against Penicillin i.e. 26 (76.47%).
Conclusion: Considering the general scenario of increasing drug resistance and prevalence of wide variety of Enterococcus species there is a need to carry-out regular surveillance of antimicrobial resistance of enterococci to recommend appropriate therapy.

Key words
: Antimicrobial susceptibility pattern, Clinical samples, Enterococcus species