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Colon and rectal surgery without mechanical bowel preparation: a randomized prospective trial
Oded Zmora1, Ahmad Mahajna, Barak Bar-Zakai
1Department of Surgery, Sheba Medical Center and Sackler School of Medicine, Tel Aviv, Israel. ozmora@post.tau.ac.il
Annals of Surgery
|March 5, 2003
Summary
Elective colon and rectal surgery can be safely performed without mechanical bowel preparation (MBP). This study found no significant difference in infectious complications between patients who received MBP and those who did not.
Area of Science:
- Surgical Oncology
- Gastroenterology
- Clinical Trials
Background:
- Mechanical bowel preparation (MBP) is standard practice before colon and rectal surgery to minimize infectious complications.
- However, evidence suggests MBP may not be necessary, as seen in trauma cases with primary anastomosis.
Purpose of the Study:
- To evaluate the safety and efficacy of omitting preoperative mechanical bowel preparation in elective colon and rectal surgery.
Main Methods:
- A prospective randomized controlled trial involving 380 patients undergoing elective colon and rectal resection with primary anastomosis.
- Patients were divided into two groups: Group A (with MBP using polyethylene glycol) and Group B (without MBP).
- Outcomes assessed included wound, anastomotic, and intra-abdominal infectious complications within 30 days post-surgery.
Main Results:
- No significant difference in infectious complication rates between the MBP group (10.2%) and the no-MBP group (8.8%).
- Specific complication rates (wound infection, anastomotic leak, intra-abdominal abscess) were comparable across both groups.
- Surgical procedures and patient demographics were similar between the two study arms.
Conclusions:
- Elective colon and rectal surgery can be safely performed without the routine use of preoperative mechanical bowel preparation.
- Omitting MBP does not appear to increase the risk of postoperative infectious complications.