Neuroimaging correlates of novel psychiatric disorders after pediatric traumatic brain injury

Jeffrey E. Max, Elisabeth A. Wilde, Erin D. Bigler, Wesley K. Thompson, Marianne MacLeod, Ana C. Vasquez, Tricia L. Merkley, Jill V. Hunter, Zili D. Chu, Ragini Yallampalli, Gillian Hotz, Sandra B. Chapman, Tony T. Yang, Harvey S. Levin

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Abstract

Objective: To study magnetic resonance imaging (MRI) correlates of novel (new-onset) psychiatric disorders (NPD) after traumatic brain injury (TBI) and orthopedic injury (OI). Method: Participants were 7 to 17 years of age at the time of hospitalization for either TBI or OI. The study used a prospective, longitudinal, controlled design with standardized psychiatric assessments conducted at baseline (reflecting pre-injury function) and 3 months post-injury. MRI assessments including diffusion tensor imaging (DTI)-derived fractional anisotropy (FA), volumetric measures of gray and white matter regions, volumetric measures of lesions, and cortical thickness were conducted. Injury severity was assessed by standard clinical scales. The outcome measure was the presence of an NPD identified during the first 3 months after injury. Results: There were 88 participants (TBI, 44; OI, 44). NPD occurred more frequently in the TBI (21/44; 48%) versus the OI (6/44; 14%) group (Fisher's exact test, p =.001). NPD in TBI participants was not related to injury severity. Multivariate analysis of covariance of the relationship between FA in hypothesized regions of interest (bilateral frontal and temporal lobes, bilateral centrum semiovale, bilateral uncinate fasciculi) and NPD and group (TBI versus OI) was significant, and both variables (NPD, p <.05; group, p <.001) were jointly significantly related to FA. NPD was not significantly related to volumetric measures of white or gray matter structures, volumetric measures of lesions, or cortical thickness measures. Conclusions: Lowered white matter integrity may be more important in the pathophysiology of NPD than indices of gray matter or white matter atrophic changes, macroscopic lesions, and injury severity.

Original languageEnglish (US)
Pages (from-to)1208-1217
Number of pages10
JournalJournal of the American Academy of Child and Adolescent Psychiatry
Volume51
Issue number11
DOIs
StatePublished - Nov 1 2012

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Keywords

  • diffusion tensor imaging
  • pediatric
  • prospective
  • psychiatric disorders
  • TBI

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Developmental and Educational Psychology

Cite this

Max, J. E., Wilde, E. A., Bigler, E. D., Thompson, W. K., MacLeod, M., Vasquez, A. C., Merkley, T. L., Hunter, J. V., Chu, Z. D., Yallampalli, R., Hotz, G., Chapman, S. B., Yang, T. T., & Levin, H. S. (2012). Neuroimaging correlates of novel psychiatric disorders after pediatric traumatic brain injury. Journal of the American Academy of Child and Adolescent Psychiatry, 51(11), 1208-1217. https://doi.org/10.1016/j.jaac.2012.08.026