The role of perioperative chewing gum on gastric fluid volume and gastric pH: a meta-analysis.


STUDY OBJECTIVE To determine if preoperative gum chewing affects gastric pH and gastric fluid volume. DESIGN Systematic review and meta-analysis. METHODS Data sources included Cochrane, PubMed, and EMBASE databases from inception to June 2012 and reference lists of known relevant articles without language restriction. Randomized controlled trials in… (More)
DOI: 10.1016/j.jclinane.2014.07.005

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