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Single breath induction of anaesthesia, using a vital capacity breath of halothane, nitrous oxide and oxygen
Author(s) -
WILTON N. C. T.,
THOMAS V. L.
Publication year - 1986
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/j.1365-2044.1986.tb13269.x
Subject(s) - medicine , nitrous oxide , anesthesia , halothane
Summary Inhalational induction of anaesthesia. using a single vital capacity breath of 4% halothane in 66% nitrous oxide and 33% oxygen was evaluated in 100 unpremedicated outpatients. The technique was found to be acceptable to most (91%) of the patients studied, with a mean (SD) induction time (measured from beginning of inspiration to loss of‘eyelash reflex? of 83(21) seconds. Relative cardiovascular stability was a notable finding of the technique. with a slight decrease in the mean arterial pressure of only 10%. Anaesthetic induction time was unaffected by age, weight or smoking habits. The technique of single breath induction is therefore proposed as a safe and acceptable alternative to intravenous induction in co‐operative adult patients.