AiM  Vol.5 No.5 , May 2015
Surveillance for Antibiotic Resistance in Clostridium difficile Strains Isolated from Patients in a Tertiary Care Center
ABSTRACT
Clostridium difficile is the major etiological agent of nosocomial diarrhea primarily precipitated by antimicrobial therapy. We prospectively investigated the antibiogram profile of C. difficile strains isolated from patients reporting to a tertiary care hospital in North India. Fecal samples obtained from 1110 suspected cases of C. difficile infection were cultured for isolation of C. difficile. Colonies suspected as those of C. difficile were identified by phenotypic and molecular methods. Antimicrobial susceptibility of C. difficile isolates for different classes of antibiotics was determined using the Epsilon test for vancomycin, metronidazole, clindamycin and ciprofloxacin. The fecal samples cultured for C. difficile belonged to 709 (63.9%) males and 401 (36.1%) females. The mean age of the patients was 38.7 years. C. difficile was cultured from 174 (15.7%) of the total samples. Antibiotic resistance was largely observed towards clindamycin (57.5%) and ciprofloxacin (38.5%) but was significantly low towards metronidazole (1.72%) and nil (0%) towards vancomycin. C. difficile isolates had a high degree of resistance towards clindamycin and ciprofloxacin with low level of resistance to metronidazole and none towards vancomycin. Antibiogram surveillance of C. difficile will help for clinical practice and add to the epidemiological data of the organisms.

Cite this paper
Singh, M. , Vaishnavi, C. , Mahmood, S. and Kochhar, R. (2015) Surveillance for Antibiotic Resistance in Clostridium difficile Strains Isolated from Patients in a Tertiary Care Center. Advances in Microbiology, 5, 336-345. doi: 10.4236/aim.2015.55034.
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