Abstract
Background
A combination of oral antibiotics and mechanical bowel preparation is recommended for patients scheduled to undergo elective colorectal surgery on the basis of recent large trials that have reported the superiority of this approach in preventing surgical site infections (SSIs). However, there are no standard recommendations for this approach. Therefore, in this study, we evaluated the efficacy of rifaximin and metronidazole and mechanical bowel preparation for preventing SSIs in cases of minimally invasive surgery for colorectal cancer.
Methods
This single-arm prospective observational study included 256 individuals. The primary end point was the rate of SSI. Rifaximin 400 mg and metronidazole 500 mg were administered twice daily (10
Results
After excluding 15 patients, 241 were enrolled. No adverse event occurred following the administration of oral antibiotics and mechanical bowel preparation; there was 100% compliance. The total SSI rate was 2.9%; the rates of incisional and organ/space SSIs were 1.2% and 1.7%, respectively. All patients were treated conservatively. Univariate analyses revealed preoperative anemia, hypoalbuminemia, and transfusion and postoperative transfusion were significantly associated with SSIs.
Discussion
A 1 day rifaximin and metronidazole regimen with mechanical bowel preparation for elective minimally invasive surgery for colorectal cancer was associated with a favorable SSI rate of 2.9%, safety, and high compliance. This approach is appropriate for inclusion in the current guidelines for perioperative management of patients scheduled to undergo minimally invasive surgery for colorectal cancer.
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