Why the study?
Does severe traumatic brain injury with dysautonomia alter heart rate variability parameters compared to TBI without dysautonomia and healthy controls?
Population
32 subjects: 16 with severe traumatic brain injury and 16 age-matched non-injured controls.
Comparison
Continuous electrocardiograph recordings for… vs Non-injured controls and TBI subjects without…
Design
Case-control
Follow-up
mean 14 months post-injury
Authors
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Supports disconnection theory in dysautonomic TBI; hypothesis-generating, should not yet change practice.
Does severe traumatic brain injury with dysautonomia alter heart rate variability parameters compared to TBI without dysautonomia and healthy controls?
Severe TBI with dysautonomia is associated with prolonged uncoupling of heart rate and autonomic balance, supporting the disconnection theory of dysautonomia.
Baguley et al. (2006) studied this question.