Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/94990
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Type: Journal article
Title: Predictors of postconcussive symptoms 3 months after mild traumatic brain injury
Author: Ponsford, J.
Cameron, P.
Fitzgerald, M.
Grant, M.
Mikocka-Walus, A.
Schönberger, M.
Citation: Neuropsychology, 2012; 26(3):304-313
Publisher: American Psychological Association
Issue Date: 2012
ISSN: 0894-4105
1931-1559
Statement of
Responsibility: 
Jennie Ponsford, Peter Cameron and Mark Fitzgerald, Michele Grant, Antonina Mikocka-Walus, Michael Schönberger
Abstract: OBJECTIVE: There is continuing controversy regarding predictors of poor outcome following mild traumatic brain injury (mTBI). This study aimed to prospectively examine the influence of preinjury factors, injury-related factors, and postinjury factors on outcome following mTBI. METHOD: Participants were 123 patients with mTBI and 100 trauma patient controls recruited and assessed in the emergency department and followed up 1 week and 3 months postinjury. Outcome was measured in terms of reported postconcussional symptoms. Measures included the ImPACT Post-Concussional Symptom Scale and cognitive concussion battery, including Attention, Verbal and Visual memory, Processing Speed and Reaction Time modules, pre- and postinjury SF-36 and MINI Psychiatric status ratings, VAS Pain Inventory, Hospital Anxiety and Depression Scale, PTSD Checklist-Specific, and Revised Social Readjustment Scale. RESULTS: Presence of mTBI predicted postconcussional symptoms 1 week postinjury, along with being female and premorbid psychiatric history, with elevated HADS anxiety a concurrent indicator. However, at 3 months, preinjury physical or psychiatric problems but not mTBI most strongly predicted continuing symptoms, with concurrent indicators including HADS anxiety, PTSD symptoms, other life stressors and pain. HADS anxiety and age predicted 3-month PCS in the mTBI group, whereas PTSD symptoms and other life stressors were most significant for the controls. Cognitive measures were not predictive of PCS at 1 week or 3 months. CONCLUSIONS: Given the evident influence of both premorbid and concurrent psychiatric problems, especially anxiety, on postinjury symptoms, managing the anxiety response in vulnerable individuals with mTBI may be important to minimize ongoing sequelae.
Keywords: traumatic brain injury; concussion; outcome assessment
Rights: © 2012 by the American Psychological Association
RMID: 0030034734
DOI: 10.1037/a0027888
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