Resumo

GALLARDO FERRADA, Amanda I; LIZANA GAJARDO, Felipe  e  GUTIERREZ TORRES, Waldo. Superwarfarin rodenticide poisoning. Acta toxicol. argent. [online]. 2015, vol.23, n.1, pp.44-52. ISSN 1851-3743.

Introduction: Currently there is a widespread use of rodenticides, unrestricted to the public. The exposure to these agents may varied being intentional or accidental. Objective: To analyze studies about superwarfarin poisoning in humans, with the purpose of gathering information to guide proper treatment. Methodology: It was conducted an integrative review in the electronic databases PubMed, TripDataBase, Cochrane, Google Scholar and SciELO, science books (reference textbooks), convention documents, websites from public and private institutions and articles about the effects, clinical manifestations and treatment of human exposures to rodenticides. Documents were analyzed and the information organized into three themes: superwarfarin toxicity, clinical features and medical treatment, and non-anticoagulant rodenticides available in Chile. Results: In adults, the minimum dose reported to cause toxicity is 1 mg of active ingredient. In pediatric patients, accidental intakes rarely produce symptoms. The symptoms of poisoning are usually delayed and its toxicity is variable. The test of choice is International Normalized Ratio (INR) and it is performed in all patients with risk factors. The antidote must not be administered prophylactically and the dose is adjusted individually. Conclusions: Accidental intakes in children are not risky and they can be observed at home. Patients with massive intakes require INR monitoring for months so, it is important that an optimal coordination with primary care facilities still exists after medical discharge.

Palavras-chave : Rodenticides; Superwarfarin; Anticoagulant; Poisoning.

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