Metronidazole may inhibit intestinal colonization withClostridium difficile View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1998-04

AUTHORS

R. K. Cleary, R. Grossmann, F. B. Fernandez, T. S. Stull, J. J. Fowler, M. R. Walters, R. M. Lampman

ABSTRACT

PURPOSE: Antibiotics suppress normal gut flora, allowing overgrowth of acquired or native Clostridium difficile, with release of toxins that cause mucosal inflammation. Oral metronidazole is used to treat antibiotic-associated colitis (pseudomembranous colitis). This study was designed to determine whether oral metronidazole, as part of preoperative bowel preparation, prevents or decreases incidence of antibiotic-associated colitis after elective colonic and rectal procedures. METHODS: Eighty-two patients (40 men) were prospectively, randomly assigned to receive one of two oral antibiotic regimens before colorectal surgery. All patients underwent mechanical bowel preparation with polyethylene glycol-electrolyte lavage solution before administration of oral antibiotics. Group 1 (n = 42) patients received three doses (1 g/dose) of neomycin and erythromycin. Group 2 (n = 40) patients received three doses (1 g/dose) of neomycin and metronidazole. Both groups received one preoperative and three postoperative doses of intravenous cefotetan (2 g/dose). Both groups had stool samples tested for C. difficile toxin in the preoperative and postoperative periods by enzyme-linked immunoabsorbent assay or by tissue culture cytotoxicity. Patients with preoperative stool studies positive for C. difficile were excluded from the study. RESULTS: Treatment groups were not different for age, gender, or surgical procedure. Mean age +/- 1 standard deviation was 67.6 +/- 13.6 (range, 34-94) years in Group 1 and 62.1 +/- 13.5 (range, 35-84) years in Group 2 (P = 0.069). Mean length of hospital stay +/- 1 standard deviation was 9.76 +/- 4.9 (range, 4-28) days for Group 1 and 8.05 +/- 2.6 (range, 3-14) days for Group 2 (P = 0.053). Five patients in Group 1 (neomycin and erythromycin) and one patient in Group 2 (neomycin and metronidazole) had positive stool studies for C. difficile. Relative risk of colonization with C. difficile in Group 1 was 4.76 times that in Group 2 (95 percent confidence interval, 0.581, 39). This difference was not statistically significant (P = 0.202). There were no significant differences in C. difficile colonization rates with respect to age, length of stay, or gender. CONCLUSIONS: This study suggests that there may be a clinical association between use of metronidazole preoperatively and inhibition of intestinal colonization by C. difficile in this patient population undergoing colonic and rectal surgery. More... »

PAGES

464-467

References to SciGraph publications

  • 1994-08. Patterns and prognosis ofClostridium difficile colitis in DISEASES OF THE COLON & RECTUM
  • 1995-04. SevereClostridium difficile colitis in DISEASES OF THE COLON & RECTUM
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf02235760

    DOI

    http://dx.doi.org/10.1007/bf02235760

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1026232827

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/9559631


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    43 schema:description PURPOSE: Antibiotics suppress normal gut flora, allowing overgrowth of acquired or native Clostridium difficile, with release of toxins that cause mucosal inflammation. Oral metronidazole is used to treat antibiotic-associated colitis (pseudomembranous colitis). This study was designed to determine whether oral metronidazole, as part of preoperative bowel preparation, prevents or decreases incidence of antibiotic-associated colitis after elective colonic and rectal procedures. METHODS: Eighty-two patients (40 men) were prospectively, randomly assigned to receive one of two oral antibiotic regimens before colorectal surgery. All patients underwent mechanical bowel preparation with polyethylene glycol-electrolyte lavage solution before administration of oral antibiotics. Group 1 (n = 42) patients received three doses (1 g/dose) of neomycin and erythromycin. Group 2 (n = 40) patients received three doses (1 g/dose) of neomycin and metronidazole. Both groups received one preoperative and three postoperative doses of intravenous cefotetan (2 g/dose). Both groups had stool samples tested for C. difficile toxin in the preoperative and postoperative periods by enzyme-linked immunoabsorbent assay or by tissue culture cytotoxicity. Patients with preoperative stool studies positive for C. difficile were excluded from the study. RESULTS: Treatment groups were not different for age, gender, or surgical procedure. Mean age +/- 1 standard deviation was 67.6 +/- 13.6 (range, 34-94) years in Group 1 and 62.1 +/- 13.5 (range, 35-84) years in Group 2 (P = 0.069). Mean length of hospital stay +/- 1 standard deviation was 9.76 +/- 4.9 (range, 4-28) days for Group 1 and 8.05 +/- 2.6 (range, 3-14) days for Group 2 (P = 0.053). Five patients in Group 1 (neomycin and erythromycin) and one patient in Group 2 (neomycin and metronidazole) had positive stool studies for C. difficile. Relative risk of colonization with C. difficile in Group 1 was 4.76 times that in Group 2 (95 percent confidence interval, 0.581, 39). This difference was not statistically significant (P = 0.202). There were no significant differences in C. difficile colonization rates with respect to age, length of stay, or gender. CONCLUSIONS: This study suggests that there may be a clinical association between use of metronidazole preoperatively and inhibition of intestinal colonization by C. difficile in this patient population undergoing colonic and rectal surgery.
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