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Diseases of the Colon & Rectum:
doi: 10.1097/DCR.0b013e31827e4971
Original Contribution: Benign Colorectal Disease

A Prospective Randomized Controlled Trial of Sugared Chewing Gum on Gastrointestinal Recovery After Major Colorectal Surgery in Patients Managed With Early Enteral Feeding

Zaghiyan, Karen M.D.; Felder, Seth M.D.; Ovsepyan, Gayane B.S.; Murrell, Zuri M.D.; Sokol, Thomas M.D.; Moore, Beth M.D.; Fleshner, Phillip M.D.

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Abstract

BACKGROUND: A number of small prospective studies with conflicting results have evaluated the effect of sugar-free chewing gum on postoperative GI recovery in patients initially maintained nil per os after major colorectal surgery.

OBJECTIVE: We sought to evaluate the effect of sugared chewing gum in combination with early enteral feeding on recovery of GI function after major colorectal surgery to ascertain any additive effects of this combination.

DESIGN: This was a randomized prospective study.

SETTING: This study was conducted at a single-institution tertiary referral center.

PATIENTS: Patients undergoing major colorectal surgery were included.

INTERVENTIONS: Patients were randomly assigned to sugared chewing gum (Gum) (instructed to chew 3 times daily; 45 minutes each time for 7 days postoperatively) or No Gum after major colorectal surgery.

MAIN OUTCOME MEASURES: The primary outcome measured was time to tolerating low residue diet without emesis for 24 hours. The secondary outcomes measured were time to flatus, time to bowel movement, postoperative hospital stay, postoperative pain, nausea, and appetite.

RESULTS: One hundred fourteen patients (60 No Gum; 54 Gum) were included in our analysis after randomization. There was no significant difference in time to tolerating a low-residue diet, time to flatus, time to bowel movement, length of postoperative hospital stay, postoperative complications, postoperative pain, nausea, or appetite between patients assigned to Gum or No Gum. There was an increased incidence of bloating, indigestion, and eructation in the Gum group (13%) in comparison with the No Gum group (2%) (p = 0.03).

LIMITATIONS: Study subjects and investigators were not blinded. Multiple types of operations may cause intergroup variability.

CONCLUSIONS: There does not appear to be any benefit to sugared chewing gum in comparison with no gum in patients undergoing major colorectal surgery managed with early feeding in the postoperative period. There may be increased incidence of bloating, indigestion, and eructation, possibly related to swallowed air during gum chewing.

© The ASCRS 2013

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