TY - JOUR PY - 1991// TI - Acetonitrile serum concentrations and cyanide blood levels in a case of suicidal oral acetonitrile ingestion JO - Journal of toxicology - clinical toxicology A1 - Michaelis, H. C. A1 - Clemens, C. A1 - Kijewski, H. A1 - Neurath, H. A1 - Eggert, A. SP - 447 EP - 458 VL - 29 IS - 4 N2 - Acute acetonitrile toxicity is mainly dependent on the release of cyanide via hepatic metabolism. Although evaluated in animals, few data are available concerning the toxicokinetic parameters of acetonitrile and acetonitrile-liberated cyanide in human. This paper reports a case of suicidal oral acetonitrile ingestion of about 5 mL without severe symptoms of intoxication in a previously healthy adult male with a body weight of 60 kg. Acetonitrile serum concentrations as well as cyanide blood levels were determined over the whole hospitalization. The elimination half-lives calculated from these data were 32 h for acetonitrile and 15 h for cyanide. After sodium thiosulfate bolus application, the cyanide blood level rapidly decreased to 10% of the initial value, indicating that sodium thiosulfate sufficiently detoxifies acetonitrile-liberated cyanide. Since cyanide levels again increased to maximal values about 4.5 h after sodium thiosulfate application, continued thiosulfate therapy is required as predicted by the long elimination half-lives of acetonitrile and acetonitrile-liberated cyanide. Determination of cyanide and acetonitrile concentrations is recommended for the estimation of optimal individual sodium thiosulfate dosage.

Language: en

LA - en SN - 0731-3810 UR - http://dx.doi.org/ ID - ref1 ER -