• R P G Ten Broek, N Kok-Krant, E A Bakkum, R P Bleichrodt, and H van Goor.
• Department of Surgery, Radboud University Nijmegen Medical Centre, HB Nijmegen, The Netherlands.
• Hum. Reprod. Update. 2013 Jan 1;19(1):12-25.

AbstractINTRODUCTION Adhesion formation is the most common complication following peritoneal surgery and the leading cause of small bowel obstruction, acquired infertility and inadvertent organ injury at reoperation. Using a 'good surgical technique' is advocated as a first step in preventing adhesions. However, the evidence for different surgical techniques to reduce adhesion formation needs confirmation. METHODS Pubmed, Embase and CENTRAL were searched to identify randomized controlled trials that investigated the effect of various aspects of surgical technique on adhesion-related outcomes. Clinical outcomes and incidence of adhesions were the primary endpoints. Identification of papers and data extraction were performed by two independent researchers. RESULTS There were 28 papers with 27 studies included for a systematic review. Of these, 17 studies were eligible for meta-analysis and 11 for qualitative assessment only. None of the techniques that were compared significantly reduced the incidence of adhesive small bowel obstruction. In a small low-quality trial, the pregnancy rate increased after subserous fixation of suture knots. However, the incidence of adhesions was lower after laparoscopic compared with open surgery [relative risk (RR) 0.14; 95% confidence interval (CI): 0.03-0.61] and when the peritoneum was not closed (RR 0.36; 95% CI: 0.21-0.63). CONCLUSIONS None of the specific techniques that were compared reduced the two main adhesion-related clinical outcomes, small bowel obstruction and infertility. The meta-analysis provides little evidence for the surgical principle that using less invasive techniques, introducing less foreign bodies or causing less ischaemia reduces the extent and severity of adhesions.

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