Comparison of two methods for mechanical bowel preparation in elective operations of colon

Polyethylene glycol (PEG) solution can induce complications when used as preoperative bowel preparation. The aim of this study was to compare two methods for mechanical bowel preparation in elective operations of colon. In a randomized clinical trial, 129 patients elected for anastomosis of colon and referred to the surgical clinic of Imam Khomeini Hospital of Tehran between March 2008 and March 2009 were included. They were randomly allocated into two groups of PEG1 (1liter of PEG or 70gr plus 15 mg bizacodil, n=63) and PEG4 (4 liter of PEG), according to the way of bowel preparation; and on the day before surgery, they received oral and IV prophylactic antibiotics and cleared solutions