Urinary Excretion of Inorganic and Organic Fluoride after Inhalation of Sevoflurane

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Title ( eng )
Urinary Excretion of Inorganic and Organic Fluoride after Inhalation of Sevoflurane
Creator
DAVIDKOVA Tatiana Ivanova
FUJII Kohyu
KIKUCHI Hirosato
HORIBE Mayumi
MUKAIDA Keiko
SATO Nobuyoshi
MORIO Michio
Source Title
Hiroshima Journal of Medical Sciences
Volume 36
Issue 1
Start Page 99
End Page 104
Journal Identifire
[PISSN] 0018-2052
[EISSN] 2433-7668
[NCID] AA00664312
Abstract
This study was designed to investigate the defluorination of sevoflurane in patients. Five patients, scheduled for orthopedic surgery, were administered sevoflurane for 60 min during NLA-nitrous oxide-oxygen. The end-tidal concentration of sevoflurane was adjusted at 0.6% throughout the entire inhalation period.
The serum concentration of inorganic F- increased significantly 15 min after the onset of inhalation and reached a plateau at 45 min with a mean value about 15 μM. The serum organic fluoride level increased significantly 45 min after the onset of inhalation and did not change significantly 4 hr later with a mean value of about 140 μM.
The elimination half-lives and rate constants were calculated from urinary data to be 2040 min and 0.00034 for inorganic fluoride and 1800 min and 0.00038 for organic fluoride respectively. The ratio organic/inorganic fluoride was calculated to be 2.3.
Keywords
Anesthetics
volatile: sevoflurane
Biotransformation: fluorometabolites
Pharmacokinetics: excretion
Toxicity: metabolites
Descriptions
This study was supported in part by a Grant-in-aid for Science Research from the Ministry of Education, Science and Culture of Japan.
NDC
Medical sciences [ 490 ]
Language
eng
Resource Type departmental bulletin paper
Publisher
Hiroshima University School of Medicine
Date of Issued 1987-03
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0018-2052
[NCID] AA00664312
[PMID] 3583810