Faculty Articles

Title

Heart rate variability: Pre-deployment predictor of post-deployment PTSD symptoms.

Document Type

Article

Publication Date

12-1-2016

Keywords

adult, autonomic nervous system, combat disorders, female, heart rate, humans, Iraq War, 2003-2011, linear models, longitudinal studies, male, military personnel, predictive value of tests, stress disorders, post-traumatic, United States, young adult

Publication Title

Biological psychology

ISSN

1873-6246

Volume

121

Issue/No.

Pt A

Abstract

Heart rate variability is a physiological measure associated with autonomic nervous system activity. This study hypothesized that lower pre-deployment HRV would be associated with higher post-deployment post-traumatic stress disorder (PTSD) symptoms. Three-hundred-forty-three Army National Guard soldiers enrolled in the Warriors Achieving Resilience (WAR) study were analyzed. The primary outcome was PTSD symptom severity using the PTSD Checklist - Military version (PCL) measured at baseline, 3- and 12-month post-deployment. Heart rate variability predictor variables included: high frequency power (HF) and standard deviation of the normal cardiac inter-beat interval (SDNN). Generalized linear mixed models revealed that the pre-deployment PCL*ln(HF) interaction term was significant (p

DOI

https://doi.org/10.1016/j.biopsycho.2016.10.008

PubMed ID

27773678

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