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Admission hyperglycemia is a reliable outcome predictor in children with severe traumatic brain injury
Nazik Aşılıoğlu1, Fatih Turna, Muhammet Sükrü Paksu
1Division of Pediatric Critical Care, School of Medicine, Ondokuz Mayıs University, Samsun, Turkey. nazika@omu.edu.tr
Insights
Admission hyperglycemia in children with severe brain injury is linked to worse outcomes and higher mortality. High blood glucose on admission may indicate extensive brain damage and poorer prognosis.
Area of Science:
- Pediatric Critical Care Medicine
- Neurotrauma Research
- Metabolic Disorders in Critical Illness
Background:
- Severe brain injury in children presents significant management challenges.
- Understanding factors influencing outcomes is crucial for improving patient care.
Purpose of the Study:
- To investigate the association between admission hyperglycemia and outcomes in pediatric severe brain injury patients.
- To evaluate this relationship at hospital discharge and 6 months post-discharge.
Main Methods:
- Retrospective analysis of blood glucose levels in 61 pediatric patients with severe brain injury.
- Hyperglycemia defined as blood glucose > 150 mg/dL.
- Outcomes assessed using the Glasgow Outcome Scale and mortality at discharge and 6 months.
Main Results:
- 83.6% of patients had admission hyperglycemia (mean glucose 251 mg/dL).
- Higher admission glucose correlated with head trauma severity (r=0.46).
- Non-survivors and patients with poor outcomes had significantly higher admission glucose levels.
Conclusions:
- Admission hyperglycemia may serve as a marker for extensive brain damage in pediatric severe brain injury.
- Hyperglycemia on admission is associated with increased mortality and adverse outcomes.
- Further research is warranted on the impact of glycemic control on outcomes.
Objective:
To identify the relationship between admission hyperglycemia and outcome in children with severe brain injury at hospital discharge and 6 months later.
Method:
A retrospective analysis of blood glucose levels was conducted in 61 children with severe brain injury admitted to the Pediatric Intensive Care Unit between November 1, 2005 and October 30, 2009. Hyperglycemia was considered for a cut off value of > 150 mg/dL, based on literature. Outcome was measured with the Glasgow Outcome Scale at hospital discharge and 6 months after discharge. Death was also analyzed as an outcome measure.
Results:
Mean admission blood glucose of the patients was 251 mg/dL (68-791). Hyperglycemia was noted on admission in 51 (83.6%) patients. A moderately significant positive correlation was found between admission blood glucose and severity of head trauma according to Abbreviated Injury Score (r = 0.46). Mean admission glucose level of non-survivors was significantly higher (207 mg/dL vs. 455 mg/dL, p < 0.001). Mean blood glucose level of the patients in bad outcome group was found significantly higher compared to that of the patients in good outcome group at hospital discharge and 6 months after discharge (185 mg/dL vs. 262 mg/dL, p < 0.15 and 184 mg/dL vs. 346 mg/dL, p < 0.04, respectively).
Conclusions:
Hyperglycemia could be considered as a marker of brain injury and, when present upon admission, could reflect extensive brain damage, frequently associated with mortality and bad outcome. Further studies are needed to investigate the effect of strict glycemic control on mortality and outcomes.
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