Serum & tissue magnesium content in patients of aluminium phosphide poisoning and critical evaluation of high dose magnesium sulphate therapy in reducing mortality.
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1994-02-01
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Role of high dose magnesium sulphate therapy was evaluated in 50 patients of Aluminium Phosphide (AIP) poisoning. Simultaneously serum and RBC magnesium levels were studied in these patients at six different points within first 24 hours. In non-survivors magnesium content of various tissues (brain, stomach, kidneys, liver, lungs and heart) was also estimated. Magnesium estimation (tissue as well as serum) was done using atomic absorption spectrophotometer. No significant difference was found in dose related mortality rates in patients treated with and without magnesium sulphate. The immediate causes of death in these patients included intractable shock, shock coupled with arrhythmias and adult respiratory distress syndrome (ARDS). Serum as well as RBC magnesium content was within normal range at all the six points (0, 1, 3, 6, 12 and 24 hours after arrival in hospital). Tissue magnesium content of various organs (in non-survivors) was more (p < 0.01) compared to that of corresponding organs in controls (accidental deaths). No significant alterations were seen in other serum electrolytes (Na, K, Ca, PO4). The data confirmed that neither there was any evidence of hypomagnesemia in these patients nor magnesium sulphate therapy improved survival. Survival can be improved (to some extent) with continuous cardiac monitoring and use of appropriate anti-arrhythmic agents. However, imposition of stringent restrictions on the free supply of AIP and caging of tablets in plastic packs with holes and spikes may yield better results in preventing AIP poisoning rather than treating these patients.
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Siwach SB, Singh P, Ahlawat S, Dua A, Sharma D. Serum & tissue magnesium content in patients of aluminium phosphide poisoning and critical evaluation of high dose magnesium sulphate therapy in reducing mortality. Journal of the Association of Physicians of India. 1994 Feb; 42(2): 107-10