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Crotalidae Envenomation in Children

Poisonous snakebites cause a severe envenomation syndrome in children, yet treatment remains controversial. Sixty-seven patients were treated for poisonous snakebites at our institution between 1975 and 1990; 18 were children≤12 years old. There were 13 rattlesnake bites, 4 copperhead bites, and 1 unidentified bite. Initial management included intravenous fluids and antibiotic administration, laboratory studies, tetanus prophylaxis, affected limb elevation, and a limited excision of the bite site in the emergency room. Antivenin was administered only if signs of systemic involvement such as shock, coagulopathy, gastrointestinal cramping, or neurological involvement were present. Children developed systemic involvement 72% of the time, 9 children (50%) developed coagulopathy. Consequently, 11 (61%) children received antivenin. The dose of antivenin they received was 3.2 ml/kg and the children tolerated it well with only 36% of them demonstrating adverse reactions to the antivenin. Clinically, the pediatrics patients demonstrated signs and symptoms of a fulminant envenomation syndrome (8 days, average hospital stay), yet, they had a good eventual outcome. Only 11% of children reported long-term morbidity. No deaths occurred and 100% of patients were able to return to full preinjury activities. We conclude that Crotalidae envenomation in children is a serious disease and warrants hospitalization, early surgical involvement, and frequent use of antivenin.