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More than a decade of effort is reflected in the Transforming Research and Clinical Knowledge in Traumatic Brain Injury Longitudinal (TRACK-TBI LONG) study results presented by Brett et al.1 in this issue of Neurology®. The study is an extension of the prior TRACK-TBI studies, which have already made outstanding contributions to the field of acquired brain injury research. Now even greater scope is achieved in the TRACK-TBI LONG study: with its broader 7-year timeline, this study raises the important point that TBI recovery is a dynamic process that continues to evolve well beyond the initial 12 months postinjury.1 Data amassed in the TRACK-TBI LONG study differ from other large TBI datasets in several important ways. It represents a large proportion of cases with mild TBI (mTBI), unlike the Traumatic Brain Injury Model Systems National Database2 that has focused on more severe TBI. It also captures more varied domains of function including patient-reported measures such as headache, fatigue, diplopia, sleep disturbances, and mood dysregulation that often limit longer-term function, but are not well represented in prior studies that have relied on more global disability measures such as the Glasgow Outcome Scale–Extended (GOSE). Last, there have been few prospective studies examining postinjury outcomes on this longer timescale, especially in mild TBI, making this an important and novel body of work.
Footnotes
Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the editorial.
See page 306
- Received May 10, 2023.
- Accepted in final form June 6, 2023.
- © 2023 American Academy of Neurology
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