Physiologic management of diabetic ketoacidemia. A 5-year prospective pediatric experience in 231 episodes

Area of Science:

• Pediatric Endocrinology
• Critical Care Medicine
• Metabolic Disorders

Background:

• Diabetic ketoacidemia (DKA) poses risks of central nervous system (CNS) complications, particularly related to rapid changes in effective osmolality (Eosm) during treatment.
• Effective management of DKA requires careful fluid and electrolyte balance to prevent neurological sequelae.

Purpose of the Study:

• To evaluate the safety and efficacy of a 48-hour gradual rehydration protocol in moderate to severe DKA.
• To determine if this approach prevents significant declines in calculated Eosm and reduces the risk of CNS complications.

Main Methods:

• A prospective study involving 231 DKA episodes in 149 pediatric patients across three tertiary care hospitals over five years.
• Interventions included insulin therapy, 48-hour planned rehydration with osmotically matched solutions, and intensive monitoring.
• Key measurements included the lowest Eosm in the first 24 hours, serum sodium trends, and patient outcomes.

Main Results:

• The gradual rehydration protocol resulted in a mean lowest Eosm of 285.8 mOsm/kg H2O, with serum sodium increasing in 90% of cases.
• Significant differences in initial glucose, urea nitrogen, and corrected sodium levels were observed between mildly and severely dehydrated patients.
• No deaths or near-fatal events were recorded during the study period.

Conclusions:

• A 48-hour planned rehydration strategy is a safe and effective method for managing moderate to severe DKA.
• This gradual approach successfully prevents detrimental drops in Eosm, thereby mitigating the risk of severe CNS complications like brain herniation.
• Intensive monitoring alongside gradual rehydration is crucial for protecting patients from life-threatening neurological events.