AI Article Synopsis
- Antibiotics like cefazolin and cefoxitin are effective in reducing wound infections after elective biliary tract procedures.
- A study compared cefazolin and ceftizoxime as prophylactic agents by conducting a double-blind trial with 150 patients, assessing their outcomes post-surgery.
- Results showed no significant difference in infection rates or hospital stay duration between the two groups, indicating that both antibiotics are similarly effective for this purpose.
Article Abstract
Antibiotics have been shown to reduce the incidence of wound infections after elective biliary tract procedures. Cefazolin and cefoxitin are among the agents most commonly promoted for this purpose. Cefoxitin has been substituted with ceftizoxime in many institutions; however, the role of ceftizoxime as a prophylactic agent in this setting has not been determined. To assess the comparative prophylactic efficacies of cefazolin and ceftizoxime in biliary tract surgery, we conducted a double-blind, randomized prospective clinical trial in a tertiary-care teaching hospital. Adult patients were randomized to one of two treatment groups and received a 30-min preoperative dose of study drug and as many as two postoperative doses at 12 and 24 h, depending on hospitalization status. Cefazolin and ceftizoxime were given as 1,000-mg doses. Patients with infections, those receiving prior antibiotics, or those with beta-lactam allergies were excluded. Over the 19-month study tenure, 167 patients were enrolled. Seventeen patients were excluded from analysis because of protocol violations. Of the 150 evaluable patients (72 and 78 receiving cefazolin and ceftizoxime doses, respectively), there was no significant difference among groups regarding sex, age, weight, preoperative Apache II score, baseline chemistry, and hematological parameters. Groups were also equivalent regarding the surgeon, type of procedure, characteristics (blood loss, drains, organ injury, and complications), and duration of hospital stay (mean, 5.6 versus 4.3 days [P = 0.31]). No clinical evidence of infection (7-day hospital stay and 30-day follow-up) was identified in 93% of cefazolin and 92% of ceftizoxime patients (P = 1.0). Microbiological confirmation was found in only 18% of primary-site infections. In conclusion, cefazolin and ceftizoxime appear to be equivalent for the prevention of infection in biliary tract surgery with the dosage regimens studied.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC163059 | PMC |
| http://dx.doi.org/10.1128/AAC.40.1.70 | DOI Listing |
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