Toxicocinétique de la colchicine au cours d’une intoxication aiguë sévère d’issue favorable

作者: Sandra Bodeau , Pauline Caillard , Julien Maizel , Kamel Masmoudi , Jean-Claude Alvarez

DOI: 10.1016/J.TOXAC.2020.05.001

关键词:

摘要: Resume Objectif Nous decrivons un cas d’intoxication volontaire par la colchicine ayant conduit a realisation d’une analyse toxicocinetique. Le patient est traite pour une polyarthrite microcristalline allopurinol et colchicine. Dans contexte de conjugopathie, il aurait absorbe alcool (3 verres whisky) medicaments : paracetamol (8 a 16 g), ibuprofene (8 g), ketoprofene (2 g) 50 a 60 mg colchicine, correspondant dose 0,5 a 0,6 mg/kg chez notre patient. transfere en reanimation H8 dans etat clinique stable. A J1, presente des diarrhees abondantes, vomissements cytolyse hepatique evoluant vers l’insuffisance J2. Des J3, apparaissent complications hematologiques (thrombopenie, leucopenie, anemie). se degrade sur les plans hemodynamique, neurologique respiratoire J5. Il beneficie epuration extrarenale quotidienne partir J9 et alopecie J15. Au final, le hospitalise 22 jours puis medecine suite prise charge. Methodes Les dosages successifs realises UHPLC couple TSQ Quantum Access Max™ triple quadrupole (Thermo Fisher Scientific™) ont permis calculer parametres toxico-cinetiques. Resultats dosage initial H8 confirme intoxication massive (60 μg/L) lien avec supposee ingeree. L’ensemble toxicocinetiques ete mesures montrent extremement lente (T1/2 = 132 h), volume distribution augmente (14,9L/kg), persistance concentration detectable pendant 26 jours. Conclusion intoxications sont rares mais graves mortalite elevee malgre charge rapide patients. ce l’issue favorable, seuls traitements symptomatiques corriger defaillances d’organes successives.

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