Related Experiment Videos
Prolonged hypernatremia controls elevated intracranial pressure in head-injured pediatric patients
B Peterson1, S Khanna, B Fisher
1Department of Critical Care and Anesthesia, San Diego Children's Hospital, CA 92123, USA.
Insights
Continuous infusions of hypertonic saline (3% NaCl) effectively controlled intracranial pressure (ICP) in children with closed head injuries. This promising therapy for cerebral edema showed no significant adverse effects in the study group.
Area of Science:
- Pediatric Critical Care Medicine
- Neuroscience
- Pharmacology
Background:
- Traumatic brain injury (TBI) in children can lead to increased intracranial pressure (ICP), a critical factor in secondary brain damage.
- Cerebral edema is a common complication of TBI, exacerbating ICP and neurological deficits.
- Effective management of ICP is crucial for improving outcomes in pediatric TBI patients.
Purpose of the Study:
- To evaluate the efficacy of continuous hypertonic saline (3% NaCl) infusions in managing elevated ICP in pediatric patients with closed head injuries.
- To describe the physiological effects and safety profile of hypertonic saline administration for ICP control in this population.
Main Methods:
- Retrospective chart review of 68 children with closed head injury admitted to a pediatric intensive care unit.
- Intravenous administration of 3% hypertonic saline to achieve target serum sodium levels and reduce ICP to ≤20 mm Hg.
- Analysis of ICP control, patient outcomes, and adverse events associated with hypertonic saline therapy.
Main Results:
- Continuous hypertonic saline infusions effectively lowered and controlled ICP in the majority of pediatric patients with closed head injuries.
- Only 4% of patients (three children) died due to uncontrolled ICP elevation.
- No significant adverse effects, including renal failure, pulmonary edema, or central pontine demyelination, were observed despite supraphysiologic hyperosmolarity.
Conclusions:
- Continuous administration of hypertonic saline (3% NaCl) is a promising therapeutic option for controlling intracranial pressure and cerebral edema in children with closed head injuries.
- While effective and seemingly safe, further controlled clinical trials are necessary to establish optimal treatment durations and confirm widespread applicability.
Objective:
To determine the effects continuous infusions of hypertonic saline (3% NaCl) on intracranial pressure (ICP) control and describe the physiologic effects of hypertonic saline administered to closed head injury children.
Design:
Retrospective chart review.
Settings:
Pediatric intensive care unit of a children's hospital.
Patients:
Sixty-eight children with closed head injury.
Interventions:
Intravenous infusion of 3% hypertonic saline to increase serum sodium to levels necessary to reduce ICP < or =20 mm Hg.
Measurements And Main Results:
The patients enrolled had similar Injury Severity Scores. Treatment effectively lowered ICP in these patients and ICP was under good control a majority of the time. Only three patients (4%) died of uncontrolled elevation of ICP. No adverse effects of supraphysiologic hyperosmolarity such as renal failure, pulmonary edema, or central pontine demyelination, were noted.
Conclusions:
Hypertonic saline administration to children with closed head injury appears to be a promising therapy for control of cerebral edema. Further controlled trials are required to determine the optimal duration of treatment before widespread use is advocated.