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Mild traumatic brain injury (MTBI) patients with normal initial scans often need neurocognitive therapy. A significant percentage require ongoing treatment despite meeting discharge criteria, highlighting the need for cognitive evaluation before ED release.

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Area of Science:

  • Neuroscience
  • Emergency Medicine
  • Trauma Surgery

Background:

  • Traditional mild traumatic brain injury (MTBI) care involves emergency department (ED) discharge for patients with Glasgow Coma Score (GCS) of 15 and normal head CT scans.
  • This standard practice may overlook short-term neurocognitive deficits that impact patient recovery.
  • A hypothesis posits that a substantial number of MTBI patients require outpatient neurocognitive therapy despite initial reassuring clinical presentation.

Purpose of the Study:

  • To evaluate the necessity of neurocognitive therapy in MTBI patients initially cleared for discharge.
  • To determine if traditional discharge criteria adequately identify all patients needing further cognitive support.
  • To assess the prevalence of persistent neurocognitive deficits in MTBI patients presenting without severe injury indicators.

Main Methods:

  • Retrospective review of MTBI patients at an urban Level I trauma center.
  • Inclusion criteria: age ≥14, GCS 15, negative head CT, completed neurocognitive evaluation, blunt mechanism, no psychiatric comorbidities.
  • Analysis of 395 eligible patients from 6,032 admitted over 18 months.

Main Results:

  • Twenty-seven percent of MTBI patients meeting standard discharge criteria required ongoing neurocognitive therapy.
  • Forty-one percent were cleared for discharge without follow-up, while 3% were deemed unsafe for discharge.
  • Demographic factors (age, gender) and injury severity scores (ISS) did not reliably predict the need for therapy, indicating limitations in current ED discharge protocols.

Conclusions:

  • A significant proportion of MTBI patients, even with normal initial evaluations, exhibit persistent neurocognitive deficits.
  • Current emergency department discharge criteria for MTBI may be insufficient, potentially leading to delayed or missed treatment.
  • Neurocognitive evaluation should be considered before discharging MTBI patients from the ED to ensure appropriate care and management of deficits.