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Updated: Jun 25, 2026
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E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
Published on: August 1, 2019
Mechanical bowel preparation or not for elective colorectal surgery
Kamal M F Itani1, Lawrence Kim
1Veterans Affairs Boston Health Care System and Boston University School of Medicine, Boston, Massachusetts, USA. kitani@med.va.gov
Surgical Infections
|February 17, 2009
Summary
Mechanical bowel preparation for colorectal surgery lacks proven benefits in reducing surgical site infections. Further research is needed to determine if this standard practice should be abandoned.
Area of Science:
- Colorectal Surgery
- Surgical Site Infections
- Gastrointestinal Tract
Background:
- Mechanical bowel preparation (MBP) is a traditional practice in elective colorectal surgery.
- Recent studies question the benefits of MBP, particularly regarding surgical site infection (SSI) reduction.
- This review examines the pros and cons of MBP in colorectal surgery.
Purpose of the Study:
- To evaluate the efficacy of mechanical bowel preparation in elective colorectal surgery.
- To present the advantages and disadvantages of mechanical bowel preparation.
- To inform clinical decision-making regarding MBP practices.
Main Methods:
- Systematic review of English language literature.
- Analysis of clinical reports and randomized trials on MBP.
- Evaluation of evidence regarding SSI rates and MBP.
Main Results:
- Some studies suggest omitting MBP before elective colorectal surgery may be beneficial.
- However, definitive evidence is lacking, with a large randomized trial yielding non-confirmatory results.
- The overall benefit of MBP in reducing SSIs remains uncertain.
Conclusions:
- The current evidence does not definitively support or refute the routine use of MBP.
- Further stratified studies comparing different MBP methods against no preparation are necessary.
- The practice of mechanical bowel preparation may require re-evaluation based on future research.
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