Effect of postoperative coffee consumption on postoperative ileus after abdominal surgery: An updated systematic review and meta-analysis (protocol)

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Introduction: Coffee, a popular and cheap beverage worldwide, may have an important effect on postoperative ileus (POI). However, previous systematic reviews have not clarified whether the effect is due to caffeine or coffee itself, or shortening hospital stay. We will aim to assess the effect of postoperative coffee consumption on POI. Methods: Studies evaluating the effect of postoperative coffee consumption will be searched using the electronic databases and the trial registries. Meta-analyses will be performed using random-effects models. The Grading of Recommendations, Assessment, Development, and Evaluation approach will be used to assess the certainty of evidence.

Effect of postoperative coffee consumption on postoperative ileus after abdominal surgery An updated systematic review and meta-analysis (protocol).pdf