title: Frequency of previous anaesthesia in an anaesthetic patient population.
abstract: Ten thousand patients presenting for anaesthesia were questioned about their anaesthetic history; 6672 had received an anaesthetic previously, 19.2% in the preceding 4 weeks. Of 2780 in whom the agents were known, 80.4% had received thiopentone, 18.1% Althesin and 57.4% halothane. Thirty-seven per cent of the total survey population had received two or more anaesthetics.
mesh_terms: D000293:Adolescent; D000328:Adult; D000530:Alfaxalone Alfadolone Mixture; D000768:Anesthesia, General; D000771:Anesthesia, Intravenous; D005260:Female; D006221:Halothane; D006801:Humans; D008297:Male; D008487:Medical History Taking; D008875:Middle Aged; D011795:Surveys and Questionnaires; D013874:Thiopental; D013997:Time Factors
chemical_list: D000530:Alfaxalone Alfadolone Mixture; D013874:Thiopental; D006221:Halothane