[An experimental examination of extra-hepatic metabolism of trichloroethylene in dogs]. 1984

T Hobara, and H Kobayashi, and E Higashihara, and T Kawamoto, and S Iwamoto, and T Sakai

To investigate the extra-hepatic organs metabolism of trichloroethylene, the extra-hepatic circulation in dogs was established by operating on the portal vein-right femoral vein bypass and other locations. These dogs were exposed for one hour to trichloroethylene at concentrations of 700 ppm. Metabolite (trichloroethanol (F-TCE), trichloroacetic acid (TCA) and total trichloroethanol (T-TCE) changes in serum and urine were measured from the beginning of exposure until one hour after termination, and compared with previous data as control. The following results were obtained. This operation method gave a very slight invasion on dogs. About two hours after the operation, no abnormal findings were observed clinically or physiologically. This method was considered to be one of the best for study of the metabolism of chemical substances in the extra-hepatic organs of dogs. The produced ratios of F-TCE, TCA and T-TCE in extrahepatic organs were about 60, 10 and 30% exposure to trichloroethylene at 700 ppm, respectively.

UI MeSH Term Description Entries
D008102 Liver Circulation The circulation of BLOOD through the LIVER. Hepatic Circulation,Circulation, Liver,Circulation, Hepatic
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005112 Extracorporeal Circulation Diversion of blood flow through a circuit located outside the body but continuous with the bodily circulation. Circulation, Extracorporeal,Circulations, Extracorporeal,Extracorporeal Circulations
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014241 Trichloroethylene A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment. Ethinyl Trichloride,Trichloroethene,Trielina,Trilene,Trichloride, Ethinyl

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