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Risk factors for developing brain herniation during diabetic ketoacidosis
C P Mahoney1, B W Vlcek, M DelAguila
1Department of Pediatric Endocrinology, Children's Hospital and Regional Medical Center, Seattle, Washington 98105, USA.
Pediatric Neurology
|December 2, 1999
Summary
Diabetic ketoacidosis (DKA) in children can lead to brain herniation. Severe acidosis and rapid fluid rates increase risk, while controlled hydration prevents it.
Area of Science:
- Pediatrics
- Endocrinology
- Neurology
Background:
- Diabetic ketoacidosis (DKA) is a serious complication of diabetes mellitus.
- Brain herniation is a rare but severe complication of DKA treatment.
- Identifying risk factors for brain herniation is crucial for patient management.
Purpose of the Study:
- To investigate the incidence and risk factors of brain herniation in children with DKA.
- To evaluate the association between initial fluid resuscitation rates and brain herniation.
- To determine optimal fluid management strategies to prevent DKA-related brain herniation.
Main Methods:
- Retrospective chart review of children admitted with DKA over 12 years.
- Analysis of clinical data including blood pH, PCO2, and initial fluid administration rates.
- Comparison of brain herniation incidence based on acidosis severity and fluid therapy rates.
Main Results:
- Nine out of 153 children experienced brain herniation.
- Severe acidosis (pH < 7.1) and hypercapnia (PCO2 < 20 mm Hg) were significant risk factors.
- Fluid administration exceeding 50 mL/kg in the first 4 hours was associated with increased brain herniation risk.
Conclusions:
- Maintaining adequate pH and PCO2 levels is vital in DKA management.
- Aggressive initial fluid resuscitation ( > 50 mL/kg/4h) in severe DKA increases brain herniation risk.
- Controlled fluid administration is recommended to mitigate DKA-related brain herniation.