, Volume 37, Issue 3, pp 634-635

Perioperative Nausea and Vomiting: Much Ado About Nothing?

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Level of Evidence V This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

The World Health Organization (WHO) estimates that 234.2 million major surgical procedures are undertaken every year worldwide [1], for which more than 75 million patients receive general anesthesia [2]. In the US, with more than 40 million total anesthetics administered annually, there are approximately 21 million adults and children who undergo general anesthesia, a risk factor for postoperative nausea and vomiting (PONV) [2, 3]. The overall incidence of PONV has been estimated at between 20 and 70 % [2]. In the past, PONV had been considered a minor complication, or even an unavoidable side effect, of anesthesia and surgery [3]. PONV is frequently rated as a worse outcome than postoperative pain in patient satisfaction surve