Indian Journal of Pathology and Microbiology
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Year : 2007  |  Volume : 50  |  Issue : 3  |  Page : 666-8

Antibiotic sensitivity pattern of Citrobacter isolated from various clinical specimens in a tertiary care hospital.

Department of Microbiology, SDM College of Medical Sciences and Hospital, Dharwad, Karnataka

Correspondence Address:
J Shetty
Department of Microbiology, SDM College of Medical Sciences and Hospital, Dharwad, Karnataka

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Source of Support: None, Conflict of Interest: None

PMID: 17883179

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A total of 709 isolates of Citrobacter species were recovered from different clinical specimens at Kasturba Medical College, Mangalore. The antimicrobial susceptibility testing of the isolates was performed using Kirby-Bauer's method of disk diffusion. All the isolates were susceptible to Imipenem (100%) and 100% resistance to Ampicillin was recorded. Susceptibility to third generation cephalosporins varied between 29 - 43%. The beta-lactamase inhibitor combination used along with beta-lactam antibiotics increased their sensitivity. The minimum inhibitory concentration (MIC) of cephotaxime to Citrobacter species was determined by agar dilution method (MIC value = or < 8 microg/ml are considered susceptible). Two hundred and fifty three strains were found to be completely susceptible, 71 strains showed intermediate susceptibility and 385 strains were completely resistant to Cephotaxime.

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