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Apolipoprotein E genotype and traumatic brain injury in children--association with neurological outcome
1Clinic of Pediatric Surgery, Orthopaedics and Traumatology, Brno Faculty Hospital, Brno, Czech Republic. brichtovae@seznam.cz
Insights
Children with the Apolipoprotein E epsilon4 genotype (ApoE epsilon4) face a higher risk of severe symptoms and poor neurological outcomes following traumatic brain injury (TBI). Other ApoE genotypes are linked to better TBI recovery in pediatric patients.
Area of Science:
- Neuroscience
- Genetics
- Pediatric Traumatology
Background:
- Traumatic brain injury (TBI) is a significant cause of morbidity and mortality in children.
- The role of genetic factors, such as Apolipoprotein E (ApoE) genotype, in TBI outcomes requires further elucidation.
- The Apolipoprotein E epsilon4 (ApoE epsilon4) allele is a known risk factor for various neurological conditions.
Purpose of the Study:
- To investigate the association between Apolipoprotein E genotype and clinical outcomes in pediatric patients with traumatic brain injury.
- To determine if the presence of the ApoE epsilon4 allele influences the severity and long-term neurological recovery after TBI in children.
Main Methods:
- Genotyping for Apolipoprotein E (ApoE) was performed on 70 pediatric TBI patients using polymerase chain reaction/restriction fragment length polymorphism.
- Trauma severity was assessed using the Glasgow Coma Scale (GCS).
- Neurological outcomes were evaluated at 1 year post-injury using the Glasgow Outcome Scale (GOS), with statistical analysis including t-tests, Wilcoxon, Fisher's, and chi-squared tests.
Main Results:
- The study identified an association between ApoE genotype and TBI outcomes in children.
- Pediatric patients carrying the ApoE epsilon4 genotype exhibited more severe clinical symptomatology.
- Children with the ApoE epsilon4 genotype were more likely to experience unfavorable neurological outcomes one year after TBI compared to those with other ApoE genotypes.
Conclusions:
- The findings suggest a significant link between ApoE genotype and TBI outcomes in the pediatric population.
- The ApoE epsilon4 genotype appears to be a risk factor for poorer neurological recovery following pediatric TBI.
- Further research into genetic predispositions can aid in predicting and managing TBI in children.
Objective:
To determine whether the presence of Apolipoprotein E epsilon4 genotype (ApoE epsilon4) is associated with outcomes of traumatic brain injury in children.
Materials And Methods:
The ApoE genotype was examined in the group of 70 pediatric patients who suffered from traumatic brain injury. The group consists of 48 boys and 22 girls, and the most frequent was the E3 isoform of ApoE. Polymerase chain reaction/restriction fragment length polymorphism method was used for the ApoE genotype assessment. The severity of trauma was assessed by Glasgow Coma Scale and graded into three categories. The presence of focal neurology signs, comparing the admission and dimission status, and duration of hospital care were observed. The neurological outcome after 1 year was assessed by Glasgow Outcome Scale. Trauma severity was compared with the neurological outcome, according to different ApoE genotypes. For statistical processing, t test, nonparametric Wilcoxon test, Fisher, and chi(2) tests were used.
Conclusion:
Our results suggest the association between the ApoE genotype and outcome of traumatic brain injury in children. Patients with ApoE epsilon4 genotype were more likely to have severe clinical symptomatology and unfavorable neurological outcome after traumatic brain injury compared to significantly better outcome with other ApoE genotype.
