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Recent trends in diagnosis and treatment of Clostridium difficile in a tertiary care facility
S A Butterworth1, E Koppert, A Clarke
1Department of Surgery, University of British Columbia, Vancouver, Canada.
Background:
With the prevalence of antibiotic use, the diagnosis and management of Clostridium difficile disease requires assessment.
Methods:
In a retrospective review, patients with a positive culture, toxin, or both during 1 year were identified. Recent literature was reviewed. Results of culture and toxin, prior antibiotic use, antibiotic treatment history and cost were analyzed.
Results:
Of 592 patients tested, 101 were positive; 96 of 101 were available for review. Of those positive tested for both, 45% were positive for toxin and culture. Sixty-two of 96 were treated with antibiotics; metronidazole was used in 90%. Ten of 62 antibiotic treatments were changed (mean 3 days). Ten days of metronidazole is 1/200th the cost of vancomycin.
Conclusions:
In 55% of the positive cases in which culture and toxin were obtained, one test was negative. As metronidazole's efficacy and cost compares favorably with vancomycin, metronidazole is the drug of choice. Any changes made to antibiotic regimens occurred prior to the 6 days recommended in the literature.