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J Trauma Stress. 2003 Oct;16(5):439-43.

Acute psychophysiological arousal and posttraumatic stress disorder: a two-year prospective study.

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1
School of Psychology, University of New South Wales, Sydney, New South Wales, Australia. r.bryant@unsw.edu.au

Abstract

This study investigated the role of acute arousal in the development of posttraumatic stress disorder (PTSD). Hospitalized motor vehicle accident survivors (n = 146) were assessed for acute stress disorder (ASD) within 1 month of the trauma, 6 months later, and reassessed for PTSD 2 years posttrauma (n = 87). Heart rates (HR) were assessed on the day of hospital discharge. Participants who had PTSD 2 years posttrauma had higher HR at hospital discharge than those without PTSD. A diagnosis of ASD or a resting HR of 95 beats per minute had moderate sensitivity (74%) and specificity (91%) in predicting PTSD. These findings suggest that caution is required in using acute HR as a predictor of longer-term PTSD following trauma.

PMID:
14584627
DOI:
10.1023/A:1025750209553
[Indexed for MEDLINE]
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