• Jennifer Foley and Francesca Soldani.
• Unit of Dental and Oral Health, Dundee Dental Hospital, Dundee, UK. jfoley@nhs.net
• Int J Paediatr Dent. 2007 Jan 1;17(1):29-33.

ObjectiveThe aim of this paper was to determine the use of theatre time for all procedures performed under general anaesthetic on a paediatric dental list.MethodsA prospective study of paediatric dental general anaesthetic procedures was undertaken at Ninewells Hospital and Medical School, NHS Tayside, Dundee, UK. Data were collected prospectively for 71 operating lists over a 3-year period from April 2003 to March 2006. Both operator status and the procedure being undertaken were recorded. In addition, pre-anaesthetic, anaesthetic, operating and disconnection times were recorded.ResultsOf the 71 lists examined, 61 either finished early or on time, with a median unused time of 32.50 min (interquartile range = 19.50, 50.00 min), whilst 10 lists finished late with a median overrun time of 30.50 min (interquartile range = 9.25, 45.50 min). Comparing lists which finished late with those which were completed within time, the median pre-anaesthetic time was significantly longer (Mann-Whitney U-test, W = 20.05, P = 0.048). Overall, the theatre was in use for 78.22% of time combining pre-anaesthetic, anaesthetic, operating and disconnection times; hence, there was poor time utilization of theatre for 21.78% of the total theatre time.ConclusionsOverall, 85.9% of theatre sessions for dental procedures under general anaesthetic in children finished early or on time. Where lists finished late, the duration of the pre-anaesthetic time appeared to be the significant factor.

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