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Published on: January 20, 2023
Mild Traumatic Brain Injury Update: Forensic Neuropsychiatric Implications
Hal S Wortzel1, Robert P Granacher2
1Dr. Wortzel is Director of Neuropsychiatric Consultation Services for the Rocky Mountain Mental Illness Research, Education and Clinical Center (MIRECC), Denver Veterans Medical Center, Denver CO, and the Michael K. Cooper Professor of Neurocognitive Disease, Associate Professor of Psychiatry, Neurology, and Physical Medicine and Rehabilitation, University of Colorado School of Medicine, Denver, CO. Dr. Granacher is Clinical Professor of Psychiatry, University of Kentucky College of Medicine, Lexington, KY. Support for this work was provided in part by the Veterans Health Administration's VISN-19 MIRECC (to H.S.W.). The content is solely the responsibility of the authors and does not necessarily represent the official views of the Department of Veterans Affairs. hal.wortzel@ucdenver.edu.
Mild traumatic brain injury (mTBI) can have varied outcomes, leading to potential clinical and legal confusion. Understanding mTBI
Area of Science:
- Neuroscience
- Traumatology
- Psychiatry
Background:
- Traumatic brain injury (TBI) presents diverse neuropsychiatric outcomes, complicating clinical assessment and medicolegal evaluations.
- Mild TBI (mTBI), comprising ~80% of cases, typically has an excellent prognosis, heightening risks of misdiagnosis and unwarranted legal consequences.
Purpose of the Study:
- To review recent findings from the International Collaboration on Mild Traumatic Brain Injury Prognosis (ICMTBIP).
- To examine the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition's approach to TBI.
- To explore the clinical and medicolegal implications of mTBI outcomes.
Main Methods:
- Literature review of recent ICMTBIP publications.
- Analysis of the DSM-5 criteria for TBI.
- Exploration of clinical and medicolegal case studies.
Main Results:
- mTBI symptoms are nonspecific with diverse potential causes.
- Atypical or severe outcomes following mTBI warrant careful clinical consideration.
- Clinicians and experts must understand mTBI's natural history and consider alternative etiologies for persistent impairment.
Conclusions:
- Familiarity with mTBI's natural history is crucial for accurate clinical formulation.
- Recognizing atypical outcomes and seeking alternative explanations are vital for both clinical and medicolegal contexts.
- Improved understanding can mitigate clinical confusion and prevent unjustified medicolegal outcomes in mTBI cases.

