Heart rate variability is significantly correlated with trauma symptoms and psychological distress in African Americans with traumatic spinal cord injury.
Should not yet inform clinical practice; leaves open whether HRV reflects trauma symptoms in this population.
This study examined the relationship between heart rate variability, trauma symptom expression, and psychological distress in a sample ( N = 28) of African Americans with traumatic spinal cord injury. Participants’ heart rate (R-R interval) was recorded at baseline, during a mental arithmetic task, and then again at recovery. Heart rate variability was indexed as the root mean square of successive difference (rMSSD) of participants’ R-R interval. Following this procedure, participants were administered a battery of surveys to assess levels of trauma and psychological distress. Findings indicated that there was a statistically significant relationship between heart rate variability, trauma symptoms, and psychological distress. Implications of the study’s findings are discussed in the context of future research and clinical interventions.
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Utsey et al. (2014) studied this question.
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