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https://hdl.handle.net/2440/80752
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Type: | Journal article |
Title: | Exploration of delayed-onset posttraumatic stress disorder after severe injury |
Author: | O'Donnell, M. Varker, T. Creamer, M. Fletcher, S. McFarlane, A. Silove, D. Bryant, R. Forbes, D. |
Citation: | Psychosomatic Medicine, 2013; 75(1):68-75 |
Publisher: | Lippincott Williams & Wilkins |
Issue Date: | 2013 |
ISSN: | 0033-3174 1534-7796 |
Statement of Responsibility: | Meaghan L. O’Donnell, Tracey Varker, Mark Creamer, Susan Fletcher, Alexander C. McFarlane, Derrick Silove, Richard A. Bryant, David Forbes |
Abstract: | OBJECTIVE The first aim of this work was to conduct a rigorous longitudinal study to identify rates of delayed-onset posttraumatic stress disorder (PTSD) in a sample of patients with severe injury. The second aim was to determine what variables differentiated delayed-onset PTSD from chronic PTSD. METHODS Randomly selected patients with injury who were admitted to four hospitals around Australia were recruited to the study (N = 834) and assessed in the acute care hospital, at 3 months, and at 12 months. A structured clinical interview was used to assess PTSD at each time point. RESULTS Seventy-three patients (9%; n = 73) had PTSD at 12 months. Of these, 39 (53%) were classified as having delayed-onset PTSD. Furthermore, 22 (56%) patients with delayed-onset PTSD had minimal PTSD symptoms at 3 months (i.e., they did not have partial/subsyndromal PTSD at 3 months). The variables that differentiated delayed-onset PTSD from chronic PTSD were greater injury severity (odds ratio [OR] = 1.13; 95% confidence interval [CI] = 1.02–1.26), lower anxiety severity at 3 months (OR = 0.73; 95% CI = 0.61–0.87), and greater pain severity at 3 months (OR = 1.39; 95% CI = 1.06–1.84). CONCLUSIONS Delayed-onset PTSD occurred frequently in this sample. Approximately half of the patients with delayed-onset PTSD had minimal PTSD symptoms at 3 months; therefore, their delayed-onset PTSD could not be accounted for by a small number of fluctuating symptoms. As we move toward DSM-V, it is important that research continues to explore the factors that underpin the development of delayed-onset PTSD. |
Keywords: | delayed onset posttraumatic stress disorder subsyndromal PTSD partial PTSD prediction |
Rights: | Copyright © 2013 by the American Psychosomatic Society |
DOI: | 10.1097/PSY.0b013e3182761e8b |
Grant ID: | http://purl.org/au-research/grants/nhmrc/568970 |
Published version: | http://www.psychosomaticmedicine.org/content/75/1/68 |
Appears in Collections: | Aurora harvest 4 Medicine publications |
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