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Defining Over-Sedation: Literature Review and National Survey of Dental Hospitals Within the United Kingdom.

AIMS
To review the literature, to investigate whether there was aconsensus on what encompasses over-sedation, and to determine the guidance employed for the administration of flumazenil.


METHODS
A literature search was performed following which a self-designed questionnaire was emailed to 14 sedation leads within UK Dental Hospitals.


RESULTS
10 documents in the literature review met the inclusion criteria. In their definitions of over-sedation, loss of consciousness and respiratory depression were the main terms used; but a variety of terms were also seen, indicating a lack of agreement. Fourteen dental institutes were contacted of which nine (64%) responded. Thirty-seven per cent of sedation leads who responded stated they were unaware of a definition for over-sedation. Seventy-seven percent stated that when flumazenil was used this was recorded in a drugs book, with a broad range of justifications given.


CONCLUSION
This study shows that there is a lack of uniformity both from clinicians and the literature, in what encompasses over-sedation. This makes formulating an accepted definition of over-sedation difficult. In order to ensure accurate reporting, monitoring and auditing of such events, a clear definition for over-sedation is required and can be used to provide clarity when flumazenil is to be administered.