Pharmacokinetic Study on Excretion of Inorganic Fluoride Ion, a Metabolite of Sevoflurane

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タイトル ( eng )
Pharmacokinetic Study on Excretion of Inorganic Fluoride Ion, a Metabolite of Sevoflurane
作成者
FUJII Kohyu
MORIO Michio
KIKUCHI Hirosato
MUKAIDA Keiko
SATO Nobuyoshi
YUGE Osafumi
KAWAHARA Michio
収録物名
Hiroshima Journal of Medical Sciences
36
1
開始ページ 89
終了ページ 92
収録物識別子
[PISSN] 0018-2052
[EISSN] 2433-7668
[NCID] AA00664312
抄録
Blood and urinary inorganic fluoride ion concentration was determined in six healthy volunteers after inhalation of 2% sevoflurane for one hour. The serum inorganic fluoride ion concentration increased 30 min after discontinuation of inhalation to 14.8 ± 3.0 μmol/liter, which was about 10 times higher than the level before inhalation. The serum elimination constant of inorganic fluoride was calculated to be 0.000467 and the half-life was 1,487 min.
The urinary excretion rate of inorganic fluoride ion was the highest ( 452 nmol/min) after 12-24 hr. The urinary excretion rate constant of inorganic fluoride was calculated to be 0.000268 and the half-life was 2,583 min.
The distribution volume of inorganic fluoride excreted in the urine was calculated to be 127 liters. This value showed that fluoride ion produced in the cell cannot readily pass through the cell membrane due to its polarity, resulting in a delay of the maximum excretion rate of inorganic fluoride until the first or second day after inhalation of the anesthetic.
著者キーワード
Anesthetics
Volatile: sevoflurane
Inorganic fluoride
Metabolism: defluorination
内容記述
This study was supported in part by a Grant-in-aid for Science Research from the Ministry of Education, Science and Culture of Japan and a Grant-in-aid from the Association for the Advancement of Medicine of the Tsuchiya Foundation.
NDC分類
医学 [ 490 ]
言語
英語
資源タイプ 紀要論文
出版者
Hiroshima University School of Medicine
発行日 1987-03
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0018-2052
[NCID] AA00664312
[PMID] 3583808