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Coma Reversal After Intravenous Lipid Emulsion Therapy in a Trazodone-Poisoned Patient.

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Summary of "Coma Reversal After Intravenous Lipid Emulsion Therapy in a Trazodone-Poisoned Patient."

A 77-year-old woman developed a deep coma (Glasgow Coma Scale score at 3/15) after a trazodone overdose (maximal ingested dose, 4500 mg), and orotracheal intubation was required for mechanical ventilation. In addition, she presented sinus bradycardia (<40/min) with QTc prolongation, whereas arterial blood pressure was preserved. The administration of intravenous lipid emulsion (1.5 mL/kg as a bolus followed by a continuous infusion of 0.5 mL/kg per minute for 30 minutes) resulted in a rapid improvement of her neurological condition, with a Glasgow Coma Scale score rising from 3 to 10/15 at the end of intravenous lipid emulsion infusion. A significant increase in heart rate (from 39 to 54/min) was also observed. The treatment was well tolerated, and the patient did not experience ventricular dysrhythmias. In addition, the patient was found to have a reduced metabolic activity related to cytochrome P450 2D6 polymorphism.

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This article was published in the following journal.

Name: Clinical neuropharmacology
ISSN: 1537-162X
Pages: 31-33

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