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Abstract Details

Delayed Diplopia After Sports-Related Concussion: A Multidisciplinary Approach to Evaluation and Management
Concussion Management
P1 - Poster Session 1 (7:00 AM-3:15 PM)
022
To highlight a multidisciplinary approach to the diagnosis and management of unilateral abducens palsy after a sports-related concussion.
Mild traumatic brain injury (TBI) often leads to disruptions in visual functioning, affecting convergence, saccades, smooth pursuit, and accommodation. More severe TBI injuries may result in structural injuries to the ocular muscles, nerves, or the brain itself. 
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Case: We present the case of a 33-year-old male with unilateral abducens nerve palsy after a sports-related concussion with loss of consciousness and multiple hemorrhagic contusions. The patient's visual symptoms manifested several days after the injury. With a multi-disciplinary evaluation involving specialists representing neurosurgery, endovascular neurology and neuro-ophthamology, unenhanced magnetic resonance imaging revealed multiple foci of intraparenchymal microhemorrhages and siderosis consistent with diffuse axonal injury (DAI), and an incidental parasagittal cavernoma. The delayed development of a sixth nerve palsy raised our suspicion for secondary axotomy, as has been described following TBI. While the probability of recovery is high, close follow up is imperative to address evolution of the patient’s symptoms. In this case, the patient developed imbalance and headaches in association with his visual symptoms. For the imbalance we use physical therapy with therapists trained in vestibular therapy and for the visual symptoms we use vision therapy with trained optometrists.

Delayed post-traumatic abducens palsy is concerning for DAI and secondary axotomy. Multidisciplinary assessment imparts the ability to evaluate for all possible causes and provide additional specialized care for recovery.
Authors/Disclosures
Kyle Marden, MD (University of Florida)
PRESENTER
Dr. Marden has nothing to disclose.
James E. Siegler III, MD (University of Chicago) Dr. Siegler has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Siegler has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Bayer. Dr. Siegler has received personal compensation in the range of $0-$499 for serving as an officer or member of the Board of Directors for Society of Vascular and Interventional Neurology. Dr. Siegler has received personal compensation in the range of $500-$4,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Stroke: Vascular and Interventional Neurology. Dr. Siegler has received personal compensation in the range of $10,000-$49,999 for serving as an Expert Witness for various medicolegal cases. The institution of Dr. Siegler has received research support from Viz.ai.
No disclosure on file