Metabolism of Methoxyflurane in Man
作者:
Nozomu,
Yoshimura Duncan,
Holaday Vera,
期刊:
Anesthesiology
(OVID Available online 1976)
卷期:
Volume 44,
issue 5
页码: 372-379
ISSN:0003-3022
年代: 1976
出版商: OVID
关键词: Anesthetics;volatile;methoxyflurane Biotransformation (drug);methoxyflurane
数据来源: OVID
摘要:
Excretion of methoxyflurane was studied in 12 patients receiving anesthesia in a closed rebreathing circuit at a constant alveolar concentration of approximately 0.24 per cent. The mean methoxyflurane uptake was 1S g (range 7.6–31 g) during a mean time of anesthesia administration of 2 hours. 1S minutes (range 55–309 minutes). An average of 19 per cent of the uptake was recovered unchanged in the exhaled air after anesthesia. Urinary excretion of organic fluorine, fluoride, and oxalic acid was equivalent to 29, 7.7 and 7.1 per cent of methoxyflurane uptake. respectively. Approximately a third of the uptake remained unrecovered. It is postulated that a portion of the unrecovered drug became permanently bourn to tissues and hence its exeretion was delayed beyond the period of the study.
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