Glucose-insulin-potassium infusion for the treatment of acute aluminum phosphide poisoning: an open-label pilot study.

Author(s) Pannu, A.K.; Bhalla, A.; Gantala, J.; Sharma, N.; Kumar, S.; Dhibar, D.P.
Journal Clin Toxicol (Phila)
Date Published 2020 Mar 04

Acute aluminum phosphide poisoning is common in low- and middle-income countries, and is associated with very high case fatality. The addition of glucose-insulin-potassium (GIK) infusion to the standard supportive care has been proposed to improve outcomes. We aimed to assess the effectiveness of GIK infusion in acute aluminum phosphide toxicity. We performed a prospective open-label pilot study in a tertiary care hospital in north India in patients over 13 years of age with acute aluminum phosphide poisoning, to determine whether the treatment with GIK infusion improved outcomes. The primary outcome was in-hospital case fatality, and the secondary outcomes were the duration of hospital stay, the requirement of mechanical ventilation, and the change in hemodynamic and metabolic parameters. A total of 60 patients were randomly assigned to groups that received either GIK infusion with supportive care or supportive care alone. Baseline parameters in both groups were comparable. Treatment with GIK infusion was associated with significantly lower in-hospital case fatality compared with supportive care alone (46.7% versus 73.3%; -value 0.03). It was associated with a longer duration of hospital stay (-value < 0.01) and reduced requirement of mechanical ventilation (-value < 0.01). The treatment improved blood pressure (systolic, diastolic, and mean arterial pressure) and Glasgow coma scale score at various time intervals; however, pulse rate and metabolic acidosis (blood pH and bicarbonate levels) remained comparable in both the groups. Hyperglycemia was significantly higher in the GIK group but was easily managed. Treatment with GIK infusion may improve survival and hemodynamics in patients with acute aluminum phosphide poisoning.

DOI 10.1080/15563650.2020.1719131
ISSN 1556-9519
Citation Clin Toxicol (Phila). 2020:16.

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