Summary: Gum chewing after colorectal surgery increases the likelihood of passing flatus within 48 hours and passing stool within 4 days, and might reduce the length of hospital stay. Gum chewing appears to be a safe and simple treatment to reduce post-operative ileus following colorectal surgery.

http://www.ncbi.nlm.nih.gov/m/pubmed/25524125/

Strength of Recommendation = B

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