Nonketotic hyperosmolal diabetic coma, which is rare in children, is associated with a high mortality in both children and adults. We report a case of nonketotic hyperosmolal diabetic coma in a 3?-year-old child, who was successfully managed with low-dose insulin infusion and invasive intracranial pressure monitoring and recovered without sequelae. Despite severely elevated serum glucose (2,660 mg/dL) and osmolality (435 mosm/kg) levels, there was no elevation of intracranial pressure during her treatment. This case illustrates that insulin should be used cautiously and at low dose in this disease, and that intracranial pressure monitoring is of use in the management of such patients. The pathogenesis and clinical features of nonketotic hyperosmolal diabetic coma are briefly reviewed.
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