Ethylene glycol poisoning in three dogs: Importance of early diagnosis and role of hemodialysis as a treatment option

Schweighauser, Ariane; Francey, Thierry (2016). Ethylene glycol poisoning in three dogs: Importance of early diagnosis and role of hemodialysis as a treatment option. Schweizer Archiv für Tierheilkunde, 158(2), pp. 109-114. Huber 10.17236/sat00051

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Poisoning with ethylene glycol as contained in antifreeze can rapidly lead to irreversible acute renal failure and other organ damage. It carries a grave prognosis unless diagnosed early and adequate treatment is initiated within 8 hours of ingestion. Toxicity of ethylene glycol is related to the production of toxic metabolites by the enzyme alcohol dehydrogenase (ADH), leading to early signs of severe polyuria (PU) and polydipsia (PD), gastritis, ataxia and central nervous depression, followed by progressive dehydration, and ultimately oligoanuric renal failure. In addition to general supportive care, therapeutic interventions must include either antidotes blocking ADH-mediated metabolism or blood purification techniques to remove both the parent compound and the toxic metabolites. The goal of this case report is to describe three cases of acute antifreeze intoxication in dogs, and to discuss treatment options available for this poisoning.

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