吸入麻酔薬誤注入時の麻酔薬濃度の実測値と計算値との比較およびエンフルレン誤注入の一例

概要

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Both halothane and enflurane have been most popular anesthetics in Japan. Recently, new anesthethics such as isoflurane, sevoflurane are introduced and their consumptions are increasing rapidly. Since each anesthetics has its own vaporizing pressure at room temperature, the misfilling of a vaporizer with a wrong anesthetic agent is sometimes hazardous and cardiac arrests have been reported due to high concentration of anesthetics. In order to avoid such mistakes, many ways are recommended, i. e., original color of the anesthetic bottle, keyed filling system, etc. But the misfilling may occur, because vaporizers without keyed filling system are still used widely. We calulated and measured the concentrations and MAC (minimum alveolar concentration) of inhalational anesthetics in wrong vaporizers. The case of miss-filled vaporizer, which was found out by the inhalation gas monitor (Capnomas ^<TM> Ultima ^<TM> SVi), was also presented.
日本医療機器学会の論文
1994-03-01