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Variable, Not Always Persistent, Postconcussion Symptoms Following Mild TBI in U.S. Military Service Members: A 5-year Cross-sectional Outcome Study.
MedLine Citation:
PMID:  23205671     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study examined postconcussion symptom reporting within the first 5 years following mild traumatic brain injury (MTBI). Participants were 167 U.S. military service members (Mean Age = 27.6 years; 74.3% blast; 96.4% male) who were evaluated following injuries sustained in theater during Operations Iraqi and Enduring Freedom (92.8%), or from other combat-related operations. Participants completed the Neurobehavioral Symptom Inventory and PTSD Checklist within three months of injury, and at least one follow-up telephone interview at 6 (n = 46), 12 (n = 89), 24 (n = 54), 36 (n = 42), 48 (n = 30), and/or 60 months (n = 25) post-injury. Approximately half of the sample (49.7%) met DSM-IV symptom criteria for postconcussion disorder (PCD) at baseline. At all six follow-ups, 46.1% to 72.0% met DSM-IV criteria for PCD. However, only 20.4% to 48.0% reported persistent PCD from baseline to follow-up. A substantial minority had also improved (4.0-24.1%) or 'developed' new symptoms (16.9-27.8%). Using regression analyses, baseline symptoms were somewhat predictive of PCD symptom reporting at follow-up, though this was not always reliable. Follow-up for all service members who sustain a combat related MTBI in the context of polytrauma, regardless of the presence/absence of symptom reporting in the acute recovery stage, should be considered the rule, not the exception.
Authors:
Rael T Lange; Tracey A Brickell; Brian Ivins; Rodney Vanderploeg; Louis M French
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-4
Journal Detail:
Title:  Journal of neurotrauma     Volume:  -     ISSN:  1557-9042     ISO Abbreviation:  J. Neurotrauma     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8811626     Medline TA:  J Neurotrauma     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Vancouver, British Columbia, Canada, , Walter Reed National Military Medical Center, Defense and Veterans Brain Injury Center, Bethesda, Maryland, United States; rael.lange@gmail.com.
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