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Preoperative fasting
Centre of Gastrointestinal Disease, Ersta Hospital, Stockholm; Department of Surgery, Huddinge University Hospital, Karolinska Institute, Stockholm.ORCID iD: 0000-0003-2636-4745
Department of Anaesthesia and Intensive Care Medicine, Rogaland Central and University Hospital, Stavanger, Norway.
2003 (English)In: British Journal of Surgery, ISSN 0007-1323, E-ISSN 1365-2168, Vol. 90, no 4, p. 400-6Article, review/survey (Refereed) Published
Abstract [en]

Background and methods: To avoid pulmonary aspiration, fasting after midnight has become standard in elective surgery, but recent studies have found no scientific support for this practice. Several anaesthesia societies now recommend a 2-h preoperative fast for clear fluids and a 6-h fast for solids in most elective patients. The literature supporting such fasting recommendations was reviewed.

Results: The recommendations are safe and improve well-being before operation, mainly by reducing thirst. A carbohydrate-rich beverage given before anaesthesia and surgery alters metabolism from the overnight fasted to the fed state. This reduces the catabolic response (insulin resistance) after operation, which may have implications for postoperative recovery.

Conclusion: Most patients having elective operations can be allowed a free intake of clear fluids up to 2 h before anaesthesia. Preoperative carbohydrates reduce postoperative insulin resistance.

Place, publisher, year, edition, pages
West Sussex, United Kingdom: John Wiley & Sons, 2003. Vol. 90, no 4, p. 400-6
National Category
Medical and Health Sciences Surgery
Identifiers
URN: urn:nbn:se:oru:diva-40558DOI: 10.1002/bjs.4066ISI: 000183019700004PubMedID: 12673740OAI: oai:DiVA.org:oru-40558DiVA, id: diva2:777440
Available from: 2015-01-08 Created: 2015-01-08 Last updated: 2017-12-05Bibliographically approved

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Ljungqvist, Olle

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