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https://hdl.handle.net/2440/68377
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Type: | Journal article |
Title: | Peritraumatic dissociation mediates the relationship between acute panic and chronic posttraumatic stress disorder |
Author: | Bryant, R. Brooks, R. Silove, D. Creamer, M. O'Donnell, M. McFarlane, A. |
Citation: | Behaviour Research and Therapy, 2011; 49(5):346-351 |
Publisher: | Pergamon-Elsevier Science Ltd |
Issue Date: | 2011 |
ISSN: | 0005-7967 1873-622X |
Statement of Responsibility: | Richard A. Bryant, Robert Brooks, Derrick Silove, Mark Creamer, Meaghan O’Donnell, Alexander C. McFarlane |
Abstract: | Although peritraumatic dissociation predicts subsequent posttraumatic stress disorder (PTSD), little is understood about the mechanism of this relationship. This study examines the role of panic during trauma in the relationship between peritraumatic dissociation and subsequent PTSD. Randomized eligible admissions to 4 major trauma hospitals across Australia (n=244) were assessed during hospital admission and within one month of trauma exposure for panic, peritraumatic dissociation and PTSD symptoms, and subsequently re-assessed for PTSD three months after the initial assessment (n=208). Twenty (9.6%) patients met criteria for PTSD at 3-months post injury. Structural equation modeling supported the proposition that peritraumatic derealization (a subset of dissociation) mediated the effect of panic reactions during trauma and subsequent PTSD symptoms. The mediation model indicated that panic reactions are linked to severity of subsequent PTSD via derealization, indicating a significant indirect relationship. Whereas peritraumatic derealization is associated with chronic PTSD symptoms, this relationship is influenced by initial acute panic responses. |
Keywords: | Posttraumatic stress disorder Dissociation Panic |
Rights: | Copyright © 2011 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.brat.2011.03.003 |
Published version: | http://dx.doi.org/10.1016/j.brat.2011.03.003 |
Appears in Collections: | Aurora harvest Public Health publications |
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