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ArticlesShort Reports

Fomepizole fails to prevent progression of acidosis in 2-butoxyethanol and ethanol coingestion

, , , &
Pages 569-571 | Received 19 Aug 2009, Accepted 06 May 2010, Published online: 19 Jun 2010
 

Abstract

Introduction. 2-butoxyethanol (2BE) is a solvent commonly incorporated into household and industrial cleaning products. Its ingestion causes rapid central nervous system depression, hypotension, and metabolic acidosis attributable to metabolism of the parent compound to butoxyacetic acid (BAA) by alcohol dehydrogenase. Lactic acidosis is also reported to develop in some cases. Published treatment strategies include the use of ethanol infusion, ethanol with concomitant dialysis, dialysis alone, and fomepizole. Case Report: We present an unusual case of a coingestion of ethanol and 150–250 mL of pure 2BE, which resulted in rapid obtundation, severe airway edema, hypotension, and prolonged acidosis despite the coingestion of ethanol and the administration of a loading dose of fomepizole. Continuous veno-venous hemodialysis was employed to treat the acidosis. Ingestion was confirmed by gas chromatography and mass spectrometric determinaiton of 2BE and BAA. The patient recovered without sequelae. Conclusion. Alcohol dehydrogenase inhibitors may not be adequate to prevent acidosis in significant ingestions to 2BE and extracorporeal treatments may be necessary.

Declaration of interests

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this paper.

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