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The UCLA study of Predictors of Cognitive Functioning Following Moderate/Severe Pediatric Traumatic Brain Injury
Lisa M Moran1, Talin Babikian1, Larissa Del Piero2
11Department of Psychiatry and Biobehavioral Health,University of California,Los Angeles,California.
Insights
Premorbid factors significantly impact long-term cognitive outcomes in pediatric moderate-to-severe traumatic brain injury (msTBI). Early cognitive assessments can predict which youth with msTBI may need additional support.
Area of Science:
- Neuroscience
- Pediatric Traumatology
- Cognitive Psychology
Background:
- Identifying predictors of long-term cognitive deficits after pediatric moderate-to-severe traumatic brain injury (msTBI) remains challenging.
- Understanding the interplay between injury severity, demographic, and psychosocial factors is crucial for predicting cognitive outcomes.
Purpose of the Study:
- To determine the relative contribution of injury severity descriptors, demographic, and psychosocial factors to long-term cognitive outcomes in pediatric msTBI.
- To identify reliable predictors for long-term cognitive difficulties following pediatric msTBI.
Main Methods:
- Study included 46 pediatric patients with msTBI and 53 healthy controls (ages 8-19).
- Assessments were conducted in post-acute and chronic recovery stages.
- Data collected included acute injury severity, parental reports on premorbid functioning/behavior, and a composite cognitive performance index.
Main Results:
- Acute injury severity descriptors did not predict cognitive performance.
- Post-acute cognitive functioning was predicted by injury occurrence, parental education, and premorbid academic competence.
- Long-term cognitive outcomes were best predicted by post-acute cognitive functioning.
Conclusions:
- Premorbid factors significantly influence cognitive outcomes in pediatric msTBI, nearly as much as the injury itself.
- A brief cognitive battery administered in the post-acute phase can predict long-term cognitive outcomes in youth with msTBI.
- Early identification of at-risk individuals can guide the provision of necessary additional services.
Objectives:
Following pediatric moderate-to-severe traumatic brain injury (msTBI), few predictors have been identified that can reliably identify which individuals are at risk for long-term cognitive difficulties. This study sought to determine the relative contribution of detailed descriptors of injury severity as well as demographic and psychosocial factors to long-term cognitive outcomes after pediatric msTBI.
Methods:
Participants included 8- to 19-year-olds, 46 with msTBI and 53 uninjured healthy controls (HC). Assessments were conducted in the post-acute and chronic stages of recovery. Medical record review provided details regarding acute injury severity. Parents also completed a measure of premorbid functioning and behavioral problems. The outcome of interest was four neurocognitive measures sensitive to msTBI combined to create an index of cognitive performance.
Results:
Results indicated that none of the detailed descriptors of acute injury severity predicted cognitive performance. Only the occurrence of injury, parental education, and premorbid academic competence predicted post-acute cognitive functioning. Long-term cognitive outcomes were best predicted by post-acute cognitive functioning.
Discussion:
The findings suggest that premorbid factors influence cognitive outcomes nearly as much as the occurrence of a msTBI. Furthermore, of youth with msTBI who initially recover to a level of moderate disability or better, a brief cognitive battery administered within several months after injury can best predict which individuals will experience poor long-term cognitive outcomes and require additional services.
