Major or mild neurocognitive disorder due to traumatic brain injury
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Kiran Singh, M.D. [2]
Overview
Major or Mild Neurocognitive Disorder Due to Traumatic Brain Injury
DSM-V Diagnostic Criteria for Major or Mild Neurocognitive Disorder Due To Traumatic Brain Injury
- A. The criteria are met for major or mild neurocognitive disorder.[1]
AND
- B. There is evidence of a traumatic brain injury—that is, an impact to the head or other mechanisms of rapid movement or displacement of the brain within the skull, with one or more of the following:
- 2.Post-traumatic amnesia.
- 3.Disorientation and confusion.
- 4.Neurological signs (e.g., neuro imaging demonstrating injury; a new onset of seizures; a marked worsening of a preexisting seizure disorder; visual field cuts; anosmia; hemiparesis).
AND
- C. The neurocognitive disorder presents immediately after the occurrence of the traumatic brain injury or immediately after recovery of consciousness and persists past the
acute post-injury period.
Epidemiology and Demographics
Prevalence
The prevalence of traumatic brain injury is 59,000 per 100,000 (59%) in males in the overall population.[1]
Risk Factors
- Low Glasgow Coma Scale score
- Midline shift
- Obliteration of third ventricle
- Older age (older than 40 years)
- Petechial hemorrhages
- Pupillary non reactivity
- Repeated concussions
- Subarachnoid hemorrhage
- Worse motor function[1]
Differential Diagnosis
- Somatic symptom disorder[1]