• K Gründel, W Schwenk, B Böhm, and J M Müller.
• Universitätsklinik für Chirurgie, Charité, Berlin.
• Langenbecks Arch Chir. 1996 Jan 1;381(3):160-4.

AbstractIn a prospective randomized study in 100 patients undergoing conventional (n = 66) or laparoscopic (n = 34) colorectal resection, mechanical lavage with 2 l of a polyethylene glycol (PEG) solution (group A, n = 50) combined with a laxative was compared with lavage with 4 l of PEG alone (group B, n = 50). The influence of bowel preparation on postoperative ileus was investigated. The efficacy of bowel preparation was determined intraoperatively by a surgeon blind to the type of preparation. The time interval between the end of the operation an first flatus or bowel movement was recorded. The efficacy of preparation was no different between the groups (group A: 94%, group B: 84%; P = 0.5). The time lapse before first flatus (A: 3.1 +/- 1.2 days, B: 3.2 +/- 1.3 days; P = 0.6) or bowel movement (A: 3.9 +/- 1.3 days, B: 4.1 +/- 1.3 days; P = 0.5) also did not differ between the groups. The only factor found in multivariate analysis (age, sex, operation, duration and type of surgery, bowel preparation) to prolong the duration of postoperative ileus was the type of surgery. The first bowel movement occurred 3.2 +/- 1.1 days after conventional surgery and 4.3 +/- 1.2 days (P < 0.001) after laparoscopic surgery. The type of preoperative bowel preparation had no influence on the duration of postoperative ileus. The postoperative interval before the first bowel movement was shorter after laparoscopic surgery.

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