Injury severity, prior trauma history, urinary cortisol levels, and acute PTSD in motor vehicle accident victims

被引:116
作者
Delahanty, DL
Raimonde, AJ
Spoonster, E
Cullado, M
机构
[1] Kent State Univ, Dept Psychol, Kent, OH 44242 USA
[2] Summa Hlth Syst, Akron, OH 44309 USA
关键词
injury severity; trauma history; life threat; posttraumatic stress disorder; urinary cortisol;
D O I
10.1016/S0887-6185(02)00185-8
中图分类号
B849 [应用心理学];
学科分类号
040203 ;
摘要
This study examined the relationship between prior history of traumatic events, life threat, and injury severity experienced during a motor vehicle accident (MVA), and posttraumatic stress disorder (PTSD) assessed 1 month after the accident. In addition, initial urinary cortisol levels after the accident were examined as a possible mediator of this relationship. Fifteen-hour urinary cortisol samples were collected from MVA victims upon admission to the trauma unit. In the hospital, subjective life threat was measured and objective Injury Severity Scores (ISSs) were computed. One month after the accident, participants were assessed for prior history of traumatic experiences, presence of acute PTSD, and levels of intrusive and avoidant thoughts and behaviors. Victims, who met PTSD diagnostic criteria, reported more prior traumatic events, and significantly greater life threat despite receiving significantly lower ISSs than victims who did not develop PTSD. The relationships between ISSs and PTSD symptoms and prior trauma history and PTSD symptoms were mediated by cortisol levels. Results suggest that cortisol levels in the acute aftermath of a traumatic event may serve as a mechanism through which various factors may increase risk for PTSD. (C) 2002 Elsevier Science Inc. All rights reserved.
引用
收藏
页码:149 / 164
页数:16
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