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Preoperative Mechanical Bowel Preparation for Abdominal, Laparoscopic, and Vaginal Surgery: A Systematic Review
Amy Arnold1, Lucy P Aitchison2, Jason Abbott3
1Royal Hospital for Women, University of New South Wales, Randwick, New South Wales, Australia.
Study Objective:
Mechanical bowel preparation (MBP) continues to be widely used in gynecologic surgery, with the aim of reducing postoperative complications and improving the viewing and handling conditions in the surgical field. It is reported that MBP is an unpleasant patient experience and may be associated with adverse effects such as dehydration and electrolyte imbalance. This review evaluates the use of preoperative MBP compared with no MBP in adult patients undergoing open abdominal, laparoscopic, or vaginal surgery. Although the focus is on the use of MBP for gynecologic procedures, data from other surgical areas are covered when relevant.
Design:
A comprehensive search of the databases Medline (from 1946), EMBASE (from 1947), PubMed, Cochrane Library Central (Register of Controlled Trials), and Google Scholar was performed to identify any randomized controlled trials (RCTs) and prospective or retrospective cohort studies comparing preoperative MBP to no MBP.
Results:
Forty-three studies were identified in various surgical specialties, of which there were 5 RCTs in gynecology. The gynecologic studies reported no benefit for MBP in operative time or improved surgical field of view but did report a more unpleasant patient experience when MBP is used. RCTs from colorectal and urologic surgery were powered for infectious morbidity and anastomotic leak and did not demonstrate improved patient outcomes when MBP was used.
Conclusion:
Evidence from high-quality trials reports no or few benefits from MBP or rectal enema across surgical specialties. In the field of gynecologic surgery, high-quality evidence supports the view that MBP may be safely abandoned.
Insights
Mechanical bowel preparation (MBP) offers no significant benefits in gynecologic surgery and leads to a worse patient experience. High-quality evidence suggests that preoperative MBP can be safely abandoned in gynecologic procedures.
Area of Science:
- Surgical Oncology
- Gastroenterology
- Gynecologic Surgery
Background:
- Mechanical bowel preparation (MBP) is commonly used in gynecologic surgery.
- Potential benefits include reduced complications and improved surgical visualization.
- However, MBP can cause patient discomfort and adverse effects like dehydration.
Purpose of the Study:
- To evaluate the efficacy of preoperative MBP versus no MBP in adult patients undergoing abdominal, laparoscopic, or vaginal surgery.
- To assess the impact of MBP on postoperative complications and surgical conditions.
- To review data from gynecologic and other surgical specialties.
Main Methods:
- A comprehensive literature search was conducted across major databases (Medline, EMBASE, PubMed, Cochrane Library, Google Scholar).
- Included studies were randomized controlled trials (RCTs) and prospective or retrospective cohort studies.
- Studies compared preoperative MBP to no MBP in adult surgical patients.
Main Results:
- Five gynecologic RCTs showed no improvement in operative time or surgical view with MBP.
- Gynecologic studies reported a more unpleasant patient experience with MBP.
- RCTs in colorectal and urologic surgery did not demonstrate improved outcomes with MBP.
Conclusions:
- High-quality evidence indicates minimal to no benefit from MBP or rectal enemas across surgical fields.
- In gynecologic surgery, preoperative MBP can be safely discontinued.
- Abandoning MBP may improve patient experience without compromising surgical outcomes.
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