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Dysautonomia after pediatric brain injury
Katherine A Kirk1, Michael Shoykhet, Jong H Jeong
1University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Developmental Medicine and Child Neurology
|June 21, 2012
Summary
Dysautonomia, a condition affecting children with brain injuries, is common and linked to longer rehabilitation. Early diagnosis and standardized approaches are crucial for better outcomes in pediatric patients.
Area of Science:
- Pediatric Neurology
- Neurocritical Care
- Rehabilitation Medicine
Background:
- Dysautonomia, characterized by fever, tachypnea, hypertension, tachycardia, diaphoresis, and/or dystonia, is a known complication following brain injury in adults.
- It affects 8-33% of adults with brain injury and is associated with poorer outcomes.
- The prevalence and clinical features of dysautonomia in pediatric populations remain less understood.
Purpose of the Study:
- To determine the prevalence of dysautonomia in children with various types of brain injuries.
- To characterize the clinical features associated with dysautonomia in this pediatric cohort.
- To investigate the impact of dysautonomia on rehabilitation outcomes, including length of stay and functional improvement.
Main Methods:
- A retrospective database analysis was conducted on 249 children (mean age 11 years 10 months) admitted for rehabilitation between 2002 and 2009.
- Data included injury type (traumatic brain injury, cardiac arrest, stroke, CNS infection, brain neoplasm), clinical signs, length of stay, and Functional Independence Measure for Children (WeeFIM) scores.
- Statistical analyses compared outcomes between children with and without dysautonomia.
Main Results:
- Dysautonomia was identified in 13% of children with brain injury, with higher rates after cardiac arrest (31%) compared to traumatic brain injury (10%).
- A combination of hypertension, diaphoresis, and dystonia demonstrated high accuracy in predicting dysautonomia (AUC = 0.92).
- Children with dysautonomia experienced significantly longer rehabilitation stays, lower WeeFIM scores, and less improvement in motor function (p ≤ 0.001).
Conclusions:
- Dysautonomia is a prevalent condition in children following brain injury.
- The presence of dysautonomia is associated with prolonged and less effective rehabilitation.
- Further prospective studies with standardized diagnostic criteria are recommended to optimize management and outcomes for these children.
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