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Indian Journal of Microbiology Research

Anti-biogram pattern of uro-pathogens isolated from patients in a Tertiary Care Hospital in Karnataka, India

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Author Details : Charu Kaushik, Namratha Kurunji Gangadhar, Subrahmanya Bhat K., Subbannayya Kotigadde

Volume : 5, Issue : 1, Year : 2018

Article Page : 24-30

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Introduction: Urinary tract infection (UTI) is one of the important causes of morbidity in the community.Development of antibiotic resistance among uro-pathogensposeproblem in the treatment of UTI.Hence it is essential to examine the prevalence of such uro-pathogens and study theiranti-biogram.
Materials and Methods: Bacteria isolated from midstream urine samples collected aseptically from 266 patients over a period of 6 months from November 2016 to April 2017 were identifiedbystandard microbiological procedures. Anti-biogram was done by Kirby–Bauer disc diffusion method and interpreted as per the CLSI guidelines.
Result: Out of 266 urine samples, 136 (51.12%) were found to be positive for microbial isolates, of which 96 (71.3%) samples were from females and 40 (29.4%) samples were from males. Escherichia coli was the predominant organism (47.05%) followed by Pseudomonas species (13.2%), Enterococcus species (11.7%), Klebsiella species (7.3%), Citrobacter koseri (4.4%) and Proteus species (2.9%). Enterobacteriaceae shows highest sensitivity towards nitrofurantoin (86%), amikacin (68%) and gentamicin (59%) and resistance towards norfloxacin (74%). Sensitivity of Pseudomonas spp was 72.2% for piperacillin/tazobactam, 44.4% for amikacin and 66% resistance to ceftazidime. Sensitivity pattern of Enterococci spp to nitrofurantoin 96.6%, aminoglycosides 78%, and fluroquinolones 50%.
An attempt was made to study ESBL production among Enterobacteriaceae members. The isolates were 54.4% multidrug resistant (MDR) and 38.8% were ESBL producers.
Conclusion: In our study E.coli was the most common uropathogen isolated. Patterns of antibiotic resistance in a wide variety of pathogenic organism were noted. To prevent the development of resistance, periodic evaluation of antibiotic susceptibility patterns is necessary.

Keywords: Enterobacteriaceae, Extended spectrum beta-lactamase, Uro-pathogens.

Doi : 10.18231/2394-5478.2018.0005

How to cite : Kaushik C, Gangadhar N K, Subrahmanya Bhat K., Kotigadde S, Anti-biogram pattern of uro-pathogens isolated from patients in a Tertiary Care Hospital in Karnataka, India. Indian J Microbiol Res 2018;5(1):24-30

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