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  • Title: Prevalence of mental health conditions after military blast exposure, their co-occurrence, and their relation to mild traumatic brain injury.
    Author: Walker WC, Franke LM, McDonald SD, Sima AP, Keyser-Marcus L.
    Journal: Brain Inj; 2015; 29(13-14):1581-8. PubMed ID: 26479126.
    Abstract:
    PRIMARY OBJECTIVES: To measure common psychiatric conditions after military deployment with blast exposure and test relationships to post-concussion syndrome (PCS) symptoms and mild traumatic brain injury (mTBI) history. RESEARCH DESIGN: Cross-sectional. METHODS AND PROCEDURES: Service members or Veterans (n = 107) within 2 years of blast exposure underwent structured interviews for mTBI, post-traumatic stress disorder (PTSD) and multiple mood and anxiety diagnoses. MAIN OUTCOMES AND RESULTS: MTBI history and active PTSD were both common, additionally 61% had at least one post-deployment mood or anxiety disorder episode. Psychiatric diagnoses had a high degree of comorbidity. Most dramatically, depression was 43-times (95% CI = 11-165) more likely if an individual had PTSD. PCS symptoms were greater in those with post-deployment PTSD or mood diagnosis. However, neither mTBI nor blast exposure history had an effect on the odds of having PTSD, mood or anxiety condition. CONCLUSIONS: These findings support that psychiatric conditions beyond PTSD are common after military combat deployment with blast exposure. They also highlight the non-specificity of post-concussion type symptoms. While some researchers have implicated mTBI history as a contributor to post-deployment mental health conditions, no clear association was found. This may partly be due to the more rigorous method of retrospective mTBI diagnosis determination.
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