EFFECT OF NITROUS OXIDE ON THE ANAESTHETIC REQUIREMENT OF ENFLURANE
Open Access
- 1 July 1974
- journal article
- research article
- Published by Elsevier in British Journal of Anaesthesia
- Vol. 46 (7) , 468-472
- https://doi.org/10.1093/bja/46.7.468
Abstract
The effect of nitrous oxide on the minimum alveolar concentration of enflurane required to prevent movement in response to skin incision in 50% of subjects (MAC) has been investigated in two groups of 16 patients. The end-tidal enflurane concentration was held constant for 25–36 min in order to equilibrate the brain with the alveolar anaesthetic partial pressure. When nitrous oxide (30%) was present in the inspired mixture the MAC of enflurane was 1.17%; the value decreased to 0.57% when 70% nitrous oxide was used.Keywords
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