Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/60645
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Type: Journal article
Title: Should A2 be a diagnostic requirement for posttraumatic stress disorder in DSM-V?
Author: O'Donnell, M.
Creamer, M.
McFarlane, A.
Silove, D.
Bryant, R.
Citation: Psychiatry Research, 2010; 176(2-3):257-260
Publisher: Elsevier Sci Ireland Ltd
Issue Date: 2010
ISSN: 0165-1781
1872-7123
Statement of
Responsibility: 
Meaghan L. O'Donnell, Mark Creamer, Alexander C. McFarlane, Derrick Silove and Richard A. Bryant
Abstract: The requirement that trauma survivors experience fear, helplessness or horror (Criterion A2) as a part of their posttraumatic stress disorder (PTSD) diagnosis was introduced into DSM-IV. The imminent re-definition of PTSD in DSM-V highlights the need for empirical studies to validate the utility of the A2 requirement. We aimed to identify (i) how often A2 was associated with PTSD (B-F criteria) at 3 months after trauma and (ii) what was the peritraumatic emotional experience for those who met PTSD criteria but were A2 negative. In a prospective design cohort study we assessed the peritraumatic emotional experience of 535 injury patients in four Australian hospitals. These patients were followed up 3 months later and assessed for PTSD using a structured clinical interview. The majority of those who developed PTSD (B-F criterion) at 3 months met A2 criteria. A substantial minority, however (23%), did not meet A2 criteria. Those PTSD patients who were A2 negative fell into three groups: (i) those who experienced subthreshold levels of A2; (ii) those who experienced intense peritrauma emotional responses other than fear, helplessness or horror; and (iii) those who were amnesic to their peritrauma emotional experience. These findings do not support the inclusion of A2 as diagnostic requirement for DSM-V.
Keywords: Traumatic injury; Criterion A
Rights: Copyright © 2010 Elsevier Ireland Ltd All rights reserved.
RMID: 0020095661
DOI: 10.1016/j.psychres.2009.05.012
Grant ID: http://purl.org/au-research/grants/nhmrc/300403
http://purl.org/au-research/grants/nhmrc/359284
Description (link): http://www.elsevier.com/wps/find/journaldescription.cws_home/522773/description#description
Appears in Collections:Psychiatry publications

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