• P Karki, S G Hansdak, S Bhandari, A Shukla, and S Koirala.
• Department of Medicine, BP Koirala Institute of Health Sciences, Dharan, Nepal.
• Trop Doct. 2001 Jan 1; 31 (1): 32-4.

AbstractThirty-seven patients with severe organophosphorus poisoning (OPP) presented to the emergency ward of BP Koirala Institute of Health Sciences between January 1995 and December 1996. The mean age of patients was 26.9 years. There were 17 (46%) males and 20 (54%) females, with male:female ratio being 1:1.2.Twenty-three (62%) patients were unmarried with 16 (46%) of them students. The most common reason for poisoning was suicide--32 patients (86.5%). The most commonly involved compound was Metacid (methyl-parathion)--23 (62%) patients. Ninety per cent of the patients presented within 2 h of ingestion. All patients were managed with intravenous atropine. Pralidoxime was given to patients with nicotinic symptoms and mechanical ventilation initiated in patients with respiratory distress. The mean dose of atropine used in the first 24 h and during the hospital stay was 30.6 mg and 136.7 mg, respectively. The mean duration of treatment was 5.5 days (range 2-20 days). Two patients developed intermediate syndrome and the overall mortality among hospitalized patients was 8%.

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