{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T11:18:06Z","timestamp":1784027886475,"version":"3.55.0"},"reference-count":31,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T00:00:00Z","timestamp":1638403200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pain Practice"],"published-print":{"date-parts":[[2022,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Acetaminophen is a widely clinically used analgesic. However, the clinical effect of the route of administration on postoperative analgesia as well as on postoperative nausea and vomiting in patients undergoing general anesthesia remains unclear. This study aimed to explore whether the route of administration of acetaminophen affects postoperative analgesia, nausea, and vomiting in patients undergoing general anesthesia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We included all randomized controlled trials investigating the effects of the route of administration of acetaminophen on postoperative pain, nausea, and vomiting in patients undergoing general anesthesia. Independent examiners reviewed the literature and extracted data, with disagreements resolved through negotiation or the involvement of a third party. The Cochrane risk assessment tool was used to evaluate the quality of the included randomized controlled trials. A narrative synthesis was conducted to summarize the qualitative information from the included studies. A meta\u2010integration of quantitative data was performed using RevMan 5.4.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Ten studies met the inclusion criteria. Eight studies assessed postoperative pain, whereas two assessed postoperative nausea and vomiting. Data from the eight studies assessing postoperative pain confirmed that there was no difference between intravenously and orally administered acetaminophen in adults (OR\u00a0=\u00a0\u22120.13; 95% CI, \u22120.36 to 0.11; <jats:italic>p<\/jats:italic> = 0.3). Data from the two studies assessing postoperative nausea and vomiting revealed no difference between intravenously and orally administered acetaminophen in adults (OR = 0.89; 95% CI, 0.64\u20131.25; <jats:italic>p<\/jats:italic>\u00a0=\u00a00.51). The included studies were of poor quality, with a heterogeneity of 68%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>No differences in postoperative analgesia or postoperative nausea and vomiting were observed between the routes of administration (intravenous vs. oral) of acetaminophen in adult patients undergoing general anesthesia. There is a need for future large sample studies to increase the reliability of the results.<\/jats:p><\/jats:sec>","DOI":"10.1111\/papr.13092","type":"journal-article","created":{"date-parts":[[2021,11,14]],"date-time":"2021-11-14T17:06:55Z","timestamp":1636909615000},"page":"405-413","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Comparison of intravenous and oral administration of acetaminophen in adults undergoing general anesthesia"],"prefix":"10.1111","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1698-3545","authenticated-orcid":false,"given":"Qinqin","family":"Cao","sequence":"first","affiliation":[{"name":"Department of Anesthesiology Affiliated Hospital of Jining Medical University Jining China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chengjuan","family":"Fan","sequence":"additional","affiliation":[{"name":"Department of Urology Affiliated Hospital of Jining Medical University Jining China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ran","family":"Yuan","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Affiliated Hospital of Jining Medical University Jining China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hemin","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Affiliated Hospital of Jining Medical University Jining China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shouxin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Affiliated Hospital of Jining Medical University Jining China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4996-775X","authenticated-orcid":false,"given":"Haihong","family":"Meng","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Affiliated Hospital of Jining Medical 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