• J P Windfuhr.
• Klinik für Hals-, Nasen-, Ohren-Krankheiten. Kopf-, Hals- und Plastische Gesichtschirurgie, Malteser Krankenhaus St. Anna, Albertus Magnus-Strasse 33, 47259, Duisburg, Deutschland. jochen.windfuhr@malteser.de
• HNO. 2008 Jan 1;56(1):43-53.

BackgroundOf the morbidities that follow tonsillectomy, nausea and vomiting, fever, pain and inadequate oral intake are the most commonly encountered. The incidence of postoperative nausea and vomiting (PONV) has been reported as between 40% and 85%. In children, the risk of dehydration is increased owing to the delay in oral intake of fluids in the early postoperative period. In efforts to reduce postoperative morbidity, numerous modifications and adjuncts to the surgical procedure have been suggested, including the use of steroids.Patients And MethodsReduction in PONV, pain and early return to a normal diet were studied as separate end-points in a review of the current literature.ResultsA total of 31 studies matched our search criteria and involved paediatric and adult patient populations. Only 15 studies evaluated pain, PONV and diet. The lack of standardised surgical and anaesthetic techniques and the variations in length of follow-up, concentration of steroids administered and patient age distribution weaken the impact of the results recorded in several studies. However, two-thirds show that a single intravenous dose of dexamethasone reduces pain, although this was limited to the early postoperative period. Moreover, 15 studies confirmed a beneficial effect of dexamethasone on both PONV and early oral intake.ConclusionsPreoperative administration of a single dose of dexamethasone to reduce postoperative morbidity resulting from tonsillectomy is supported by several studies. Adverse events have never been reported. However, further studies are warranted to determine the optimum dose required and the effect in adult tonsillectomy patients. In addition, the data should be based on standardised surgical and anaesthetic techniques to allow reliable evaluation of the significance of all outcome measures.

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