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Neurosensory Screening and Symptom Provocation in Pediatric Mild Traumatic Brain Injury

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Supplemental Digital Content is Available in the Text. Objective: To evaluate diagnostic/prognostic implications of neurosensory testing during the subacute stage in patients with pediatric mild traumatic brain injury (pmTBI). Setting:… Click to show full abstract

Supplemental Digital Content is Available in the Text. Objective: To evaluate diagnostic/prognostic implications of neurosensory testing during the subacute stage in patients with pediatric mild traumatic brain injury (pmTBI). Setting: Recruitment from pediatric emergency department and urgent care clinics, assessment in a controlled environment. Participants: In total, 146 pmTBI patients evaluated 7.4 ± 2.3 days and approximately 4 months postinjury; 104 age/sex-matched healthy controls (HCs) at equivalent time points. Design: Prospective cohort study. Main Measures: Neurosensory examination based on sequence of 10 established tests of vestibular-ocular, oculomotor, vestibulospinal, and visual functioning. Results: The amount of symptom provocation (positive change from pretest symptomatology) was significantly increased in pmTBI relative to HCs on every subtest 1 week postinjury, as were deficits in monocular accommodative amplitude and King-Devick Test errors. However, symptom provocation did not meaningfully alter diagnostic sensitivity/specificity relative to more easily obtained pretest symptom ratings. Evidence of clinically significant symptom provocation 1 week postinjury improved sensitivity (Δ = +12.9%) of identifying patients with persistent postconcussive symptoms 4 months postinjury on an independent symptom measure. Conclusions: The diagnostic sensitivity/specificity of neurosensory testing in acutely concussed youth may be limited at 1 week postinjury as a function of natural recovery occurring in most emergency department cohorts. Neurosensory screening may have greater utility for identifying patients who experience delayed recovery.

Keywords: provocation; symptom provocation; traumatic brain; brain injury; pediatric mild; mild traumatic

Journal Title: Journal of Head Trauma Rehabilitation
Year Published: 2020

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