Enflurane, halothane, and isoflurane potency in horses [Anesthetics]

The minimal alveolar concentration of anesthetic required to prevent gross purposeful movement in response to electrical stimulation of oral mucous membranes was determined in horses for 3 agents. Equipotent concentrations of enflurane were 2.12 volumes %; of halothane, 0.88 volumes %; and of isoflu...

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Bibliographic Details
Published inAmerican journal of veterinary research Vol. 38; no. 7; p. 1037
Main Authors Steffey, E P, Howland, Jr, D, Giri, S, Eger, 2nd, E I
Format Journal Article
LanguageEnglish
Published United States 01.01.1977
Subjects
Anesthesia, Inhalation - veterinary
Animals
Enflurane - administration & dosage
Female
Halothane - administration & dosage
Horses
Isoflurane - administration & dosage
Male
Methyl Ethers
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Summary:The minimal alveolar concentration of anesthetic required to prevent gross purposeful movement in response to electrical stimulation of oral mucous membranes was determined in horses for 3 agents. Equipotent concentrations of enflurane were 2.12 volumes %; of halothane, 0.88 volumes %; and of isoflurane, 1.31 volumes +. The alveolar concentration required to produce at least 60 seconds of apnea was also determined for these agents. From these data and the minimal alveolar concentration information, anesthetic indices were determined for each agent. The indices for enflurane, halothane, and isoflurane were 2.26, 2.60, and 2.33, respectively.
Bibliography:L70
L
ISSN:0002-9645
1943-5681