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Published on: October 29, 2014
Postoperative outcomes following mechanical bowel preparation before proctectomy: a meta-analysis
D E Courtney1, M E Kelly1, J P Burke1
1Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland.
Aim:
Previous meta-analyses of mechanical bowel preparation (MBP) before colorectal surgery have grouped colon and rectal resection together. An increased postoperative morbidity has been suggested in the absence of MBP following proctectomy. The current study used meta-analytical techniques to evaluate the comparative outcome of patients who received MBP prior to proctectomy.
Method:
A comprehensive search was performed for published studies examining the effect of MBP before proctectomy on patient outcome. Random effects methods were used to combine data.
Results:
Eleven studies including 1258 patients were identified. There was no significant difference in overall morbidity (OR 1.062, 95% CI 0.584-1.933, P = 0.844), anastomotic leakage (OR 1.144, 95% CI 0.767-1.708, P = 0.509), surgical site infection (OR 0.946, 95% CI 0.549-1.498, P = 0.812) or mortality (OR 1.377, 95% CI 0.549-3.455, P = 0.495) between those who did not and those who did receive MBP prior to proctectomy.
Conclusion:
The current study did not demonstrate a beneficial effect of MBP prior to proctectomy, but the data were limited. Decision-making as to its use should be made on a case-by-case basis.
Insights
Mechanical bowel preparation (MBP) before proctectomy showed no significant benefit in reducing postoperative morbidity or complications. The decision to use MBP should be individualized based on patient factors.
Area of Science:
- Colorectal Surgery
- Surgical Outcomes
- Evidence-Based Medicine
Background:
- Previous meta-analyses have combined colon and rectal resections, potentially obscuring specific outcomes for proctectomy.
- Concerns exist regarding increased postoperative morbidity in the absence of mechanical bowel preparation (MBP) before proctectomy.
Purpose of the Study:
- To evaluate the comparative outcomes of patients undergoing proctectomy with and without mechanical bowel preparation (MBP).
- To specifically assess the impact of MBP on postoperative morbidity, anastomotic leakage, surgical site infection, and mortality in proctectomy patients.
Main Methods:
- A systematic literature search was conducted to identify relevant studies.
- Random effects meta-analytical techniques were employed to synthesize data from eleven studies involving 1258 patients.
Main Results:
- No statistically significant differences were observed in overall morbidity (OR 1.062), anastomotic leakage (OR 1.144), surgical site infection (OR 0.946), or mortality (OR 1.377) between patients who received MBP and those who did not.
- The confidence intervals for all outcomes were wide, indicating limited precision in the findings.
Conclusions:
- This meta-analysis did not find evidence supporting a beneficial effect of mechanical bowel preparation (MBP) prior to proctectomy.
- The limited data suggest that the decision to use MBP should be individualized for each patient undergoing proctectomy.
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