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    Post-traumatic amnesia and the nature of post-traumatic stress disorder after mild traumatic brain injury

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    Author
    Bryant, RA; Creamer, M; O'Donnell, M; Silove, D; Clark, CR; McFarlane, AC
    Date
    2009-11-01
    Source Title
    JOURNAL OF THE INTERNATIONAL NEUROPSYCHOLOGICAL SOCIETY
    Publisher
    CAMBRIDGE UNIV PRESS
    University of Melbourne Author/s
    Creamer, Mark; O'Donnell, Meaghan
    Affiliation
    Psychiatry
    Metadata
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    Document Type
    Journal Article
    Citations
    Bryant, R. A., Creamer, M., O'Donnell, M., Silove, D., Clark, C. R. & McFarlane, A. C. (2009). Post-traumatic amnesia and the nature of post-traumatic stress disorder after mild traumatic brain injury. JOURNAL OF THE INTERNATIONAL NEUROPSYCHOLOGICAL SOCIETY, 15 (6), pp.862-867. https://doi.org/10.1017/S1355617709990671.
    Access Status
    This item is currently not available from this repository
    URI
    http://hdl.handle.net/11343/27649
    DOI
    10.1017/S1355617709990671
    Description

    C1 - Journal Articles Refereed

    Abstract
    The prevalence and nature of post-traumatic stress disorder (PTSD) following mild traumatic brain injury (MTBI) is controversial because of the apparent paradox of suffering PTSD with impaired memory for the traumatic event. In this study, 1167 survivors of traumatic injury (MTBI: 459, No TBI: 708) were assessed for PTSD symptoms and post-traumatic amnesia during hospitalization, and were subsequently assessed for PTSD 3 months later (N = 920). At the follow-up assessment, 90 (9.4%) patients met criteria for PTSD (MTBI: 50, 11.8%; No-TBI: 40, 7.5%); MTBI patients were more likely to develop PTSD than no-TBI patients, after controlling for injury severity (adjusted odds ratio: 1.86; 95% confidence interval, 1.78-2.94). Longer post-traumatic amnesia was associated with less severe intrusive memories at the acute assessment. These findings indicate that PTSD may be more likely following MTBI, however, longer post-traumatic amnesia appears to be protective against selected re-experiencing symptoms.
    Keywords
    Mental Health; Mental Health

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