• S M Lauwick, A Kaba, S Maweja, E E Hamoir, and Jean L Joris.
• Department of Anesthesia and Intensive Care Medicine, CHU de Liège, University of Liege, Domaine du Sart Tilman, Liège, Belgium.
• Acta Anaesthesiol Belg. 2009 Jan 1;60(2):67-73.

BackgroundPreoperative carbohydrate (CHO) reduces perioperative insulin resistance and improves preoperative patient comfort. We tested the hypotheses that preoperative CHO reduces the risk of postoperative nausea and vomiting (PONV) and improves early postoperative patient comfort.MethodsTwo hundred women scheduled for thyroidectomy were randomly allocated to drink 50 g CHO in 400 ml of water or 0.5 g aspartam in 100 ml of water 2 h before surgery. The incidence and the severity of PONV, pain scores, and analgesic consumption were recorded postoperatively. Intensity of thirst, hunger, anxiety, fatigue were recorded on 100-mm visual analog scales just before the induction of anesthesia, 2, 6, and 24 h postoperatively.ResultsThe incidence and severity of PONV were similar in both groups. Patients from the CHO group reported significantly less thirst (P = 0.007), hunger (P = 0.04), and fatigue (P = 0.01) than patients from the control group. Postoperative pain scores did not differ significantly between both groups (P = 0.34). However patients from the CHO group requested less acetaminophen during the first 24 postoperative h: 3 g vs. 2 g (median, P = 0.002).ConclusionsOral carbohydrate before thyroidectomy improves pre- and postoperative patient comfort, as well as postoperative analgesia, but has no effect on the PONV.

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