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  • Title: Diabetic ketoacidosis: predictors of outcome in a pediatric intensive care unit of a developing country.
    Author: Jayashree M, Singhi S.
    Journal: Pediatr Crit Care Med; 2004 Sep; 5(5):427-33. PubMed ID: 15329157.
    Abstract:
    OBJECTIVES: To study the outcome and predictors of mortality in children with diabetic ketoacidosis. DESIGN: Retrospective case series. SETTING: Pediatric intensive care unit of an urban multiple-specialty teaching and referral hospital in north India. PATIENTS: Sixty-eight patients with diabetic ketoacidosis treated between 1993 and 2000. INTERVENTIONS: Data were retrieved from case records with respect to patients' age; clinical features; osmolality at admission; blood glucose, serum potassium, and arterial pH at admission, 6 hrs, and 24 hrs; complications during the course of hospital stay; treatment; and outcome in terms of survival or death. Survivors and nonsurvivors were compared to determine the predictors of mortality. MEASUREMENTS AND MAIN RESULTS: The mean (sd) age of the study population was 6.9 (3.5) yrs (range, 0.5-12 yrs). Impaired consciousness (n = 45; 66%), rapid breathing (n = 41; 60%), and vomiting (n = 35; 51.4%) were common presenting symptoms. Thirty-two (50%) patients had clinically evident dehydration. Precipitating events identified were new-onset diabetes with sepsis (37%), new-onset diabetes alone (31%), insulin omission (15%), and infection with insulin omission (7%). The mean (sd) blood glucose, osmolality, and pH at admission were 473 (sd 184) mg/dL, 305 (sd 24) mOsm/L, and 7.08 (sd 0.1), respectively. Complications noted during treatment were hypokalemia (n = 28; 41%), hypoglycemia (n = 10; 15%), cerebral edema (n = 9; 13.2%), and pulmonary edema (n = 2; 3%). Nine (13.2%) patient died, with the causes of death being septic shock (n = 4), cerebral edema (n = 2), cerebral edema with pulmonary edema (n = 2), and hypokalemia with ventricular tachycardia (n = 1). Those who died were older, had higher osmolality and severe acidosis at admission, and had persistent hyperglycemia and acidosis at 6-12 hrs. On multiple logistic regression analysis, osmolality at admission was the most significant predictor of death. CONCLUSIONS: Two thirds of children with diabetic ketoacidosis in our series had new-onset diabetes, and 13.2% died. Serum osmolality at admission was the most important predictor of death.
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