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ISPAD (International Society for Pediatric and Adolescent Diabetes) Updated their Guidelines for Pediatric Diabetic Ketoacidosis (DKA) in 2014
Fluids:
· Begin fluid repletion with 10-20ml/kg of 0.9% NS over 1-2 hours
· Estimate losses (mild DKA <5%, moderate 5-7%, severe ~10%) and replete evenly over 48 hours
o Use NS, Ringers or Plasmalyte for 4-6 hours
o Afterwards use any crystalloid, tonicity at least 0.45% NaCl
· Add 5% glucose to IV fluid when glucose falls below 250-300mg/dL
Insulin
· No bolus
· Low dose 0.05 - 0.1U/kg/hr AFTER initiating fluid therapy
o higher incidence of cerebral edema in patients given insulin in 1st hour
· Short acting subQ insulin lispro or aspart can be substituted for drip in uncomplicated mild DKA
· Give long acting subQ insulin at least 2 hours before stopping infusion to prevent rebound
Potassium
· If K low (< 3.3): add 40mmol/L with bolus IV fluids (20mmol/L if rate > 10ml/kg/hr)
· if K normal (3.3-5): add 40mmol/L when insulin is started
· If K high (> 5): add 40mEq/L after urine output is documented
Bicarb
· No role for bicarbonate in treatment of Pediatric DKA
o No benefit, possibility of harm (paradoxical CNS acidosis)
References
Wolfsdorf JI, Allgrove J, Craig ME, et al. Diabetic ketoacidosis and hyperglycemic hyperosmolar state. Pediatr Diabetes. 2014;15 Suppl 20:154-79.