• C D Spies, J P Breuer, R Gust, M Wichmann, M Adolph, M Senkal, U Kampa, W Weissauer, A Schleppers, E Soreide, E Martin, U Kaisers, K J Falke, N Haas, W J Kox, and Klinik für Anästhesiologie und operative Intensivmedizin, Charité-Universitätsmedizin Berlin.
• Klinik für Anästhesiologie und operative Intensivmedizin, Charité-Universitätsmedizin Berlin, Campus Charité Mitte, Gemeinsame Einrichtung von Freier Universität Berlin, Humboldt-Universität zu Berlin. daudia.spies@charite.de
• Anaesthesist. 2003 Nov 1;52(11):1039-45.

AbstractIn Germany the predominant standard of preoperative care for elective surgery is fasting after midnight, with the aim of reducing the risk of pulmonary aspiration. However, for the past several years the scientific evidence supporting such a practice has been challenged. Experimental and clinical studies prove a reliable gastric emptying within 2 h suggesting that, particularly for limited intake of clear fluids up to 2 h preoperatively, there would be no increased risk for the patient. In addition, the general incidence of pulmonary aspiration during general anaesthesia (before induction, during surgery and during recovery) is extremely low, has a good prognosis and is more a consequence of insufficient airway protection and/or inadequate anaesthetic depth rather than due to the patient's fasting state. Therefore, primarily to decrease perioperative discomfort for patients, several national anaesthesia societies have changed their guidelines for preoperative fasting. They recommend a more liberal policy regarding per os intake of both liquid and solid food, with consideration of certain conditions and contraindications. The following article reviews the literature and gives an overview of the scientific background on which the national guidelines are based. The intention of this review is to propose recommendations for preoperative fasting regarding clear fluids for Germany as well.

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