An exploratory study of neuroimaging, neurologic, and neuropsychological findings in veterans with traumatic brain injury and/or posttraumatic stress disorder

Seventy-two veterans with traumatic brain injury (TBI), posttraumatic stress disorder (PTSD), or both participated in assessment procedures to evaluate between group differences. Half the sample was randomly selected for magnetic resonance imaging (MRI). Neurologic examinations were conducted using...

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Bibliographic Details
Published in:	Military medicine 2009-04, Vol.174 (4), p.347-352
Main Authors:	Brenner, Lisa A, Ladley-O'Brien, Susan E, Harwood, Jeri E F, Filley, Christopher M, Kelly, James P, Homaifar, Beeta Y, Adler, Lawrence E
Format:	Article
Language:	eng
Subjects:	Adult Aged Analysis of Variance Brain Injuries - diagnosis Brain Injuries - physiopathology Brain Injuries - psychology Combat Disorders - diagnosis Combat Disorders - pathology Combat Disorders - physiopathology Disability Evaluation Female Humans Linear Models Magnetic Resonance Imaging Male Middle Aged Neurologic Examination Neuropsychological Tests Neuropsychology Risk Factors Statistics, Nonparametric Stress Disorders, Post-Traumatic - diagnosis Stress Disorders, Post-Traumatic - physiopathology Stress Disorders, Post-Traumatic - psychology Veterans
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Summary:	Seventy-two veterans with traumatic brain injury (TBI), posttraumatic stress disorder (PTSD), or both participated in assessment procedures to evaluate between group differences. Half the sample was randomly selected for magnetic resonance imaging (MRI). Neurologic examinations were conducted using the Neurologic Rating Scale (NRS). Neuropsychological measures included the Paced Auditory Serial Addition Test (PASAT), Rey Auditory Verbal Learning Test (RAVLT), Conners' Continuous Performance Test II (CPT II), and Halstead Impairment Index (HII) including the Booklet Category Test (BCT). Data were analyzed using linear regression. Participants with moderate/ severe TBI were significantly more likely to have trauma-related imaging findings, and more severe TBI predicted lower scores on the NRS. No significant between-group differences were identified on the HII, PASAT, RAVLT, or CPT II. TBI group performance was significantly better on the BCT. More severe TBI predicted abnormal imaging findings and lower NRS scores. Hypothesized between-group differences on neuropsychological measures were not supported.
ISSN:	0026-4075 1930-613X