OBSERVATIONS ON DENTAL ANAESTHESIA INTRODUCED WITH METHOHEXITONE II: MAINTENANCE AND RECOVERY

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Abstract
This paper summarizes observations made during maintenance of and recovery from anaesthesia in 2,000 patients undergoing dental extractions. The anaesthetic sequence (previously described) consisted of a single dose of methohexitone followed by nitrous oxide and oxygen with the addition of halothane as a supplement in 30 per cent of patients. In 97 per cent of men and 99 per cent of women a still operating field was provided without interruption, and 90 per cent of patients remained completely immobile throughout surgery. During recovery 97 per cent of patients were Romberg steady and considered fit to leave the surgery within 30 minutes of discontinuing anaesthesia. The incidence of postoperative retching and vomiting was 3 per cent. These results are attributed to the relatively large doses of methohexitone combined with the frequent use of halothane as a supplement for the more resistant individuals and those undergoing prolonged surgery.

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