• Takayuki Asao, Hiroyuki Kuwano, Jun-ichi Nakamura, Nobuhiro Morinaga, Isao Hirayama, and Munenori Ide.
• Department of Surgery I, Gunma University School of Medicine, Maebashi, Japan.
• J. Am. Coll. Surg. 2002 Jul 1; 195 (1): 30-2.

BackgroundPostoperative ileus limits early hospital discharge for patients who have undergone laparoscopic procedures. Sham feeding has been reported to enhance bowel motility. Here, the effect of gum chewing is evaluated as a convenient method to enhance postoperative recovery from ileus after laparoscopic colectomy.Study DesignA total of 19 patients who underwent elective laparoscopic colectomy for colorectal cancer participated in the study. Each patient was randomly assigned to one of two groups: a gum-chewing group (n = 10, mean age 58.6 years, range 50 to 71 years) or a control group (n = 9, mean age 60.6 years, range 45 to 80 years). The patients in the gum-chewing group chewed gum three times a day from the first postoperative AM until oral intake. The times of the first passage of flatus and defecation were recorded precisely.ResultsThe first passage of flatus was seen, on average, on postoperative day 2.1 in the gum-chewing group and on day 3.2 in the control group (p < 0.01). The first defecation was 2.7 days sooner in the gum-chewing group (postoperative day 3.1) than in the control group (5.8 days; p< 0.01). All patients tolerated gum chewing on the first operative AM. The postoperative hospital stays for the gum-chewing and control groups were 13.5+/-3.0 days and 14.5+/-6.1 days, respectively.ConclusionsGum chewing aids early recovery from postoperative ileus and is an inexpensive and physiologic method for stimulating bowel motility. Gum chewing should be added as an adjunct treatment in postoperative care because it might contribute to shorter hospital stays.

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