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Abstract Details

Changes in Symptom Clusters During Post-Concussion Recovery in Athletes
Neuro Trauma and Critical Care
P11 - Poster Session 11 (8:00 AM-9:00 AM)
4-001
To evaluate changes in post-concussion symptom clusters during recovery in athletes.
The Sport Concussion Assessment Tool (SCAT) Symptom Scale is widely used in concussion diagnosis and management. A previous study aggregated SCAT symptoms into five clusters: energy, mental health, migrainous, cognitive, and vestibular-ocular. We investigated changes in these symptom clusters during the recovery period.
Retrospective descriptive study in 439 patients (60.6% male; mean age 15.4 +3.1 years) evaluated for concussion within 14 days of injury at a specialized concussion clinic (September, 2016 – February, 2020). Symptom cluster severity (asymptomatic, mild, moderate, severe) and dominance (highest mean symptom score) were recorded from the immediate post-injury period (0 – 2 days) through post-injury week 4. 
Dominant symptom clusters were energy (40%) and migrainous (34%) during the immediate post-injury period, with 47% and 42% of patients reporting at least moderate energy and migrainous symptoms, respectively. Migrainous symptoms remained the most common and severe through four weeks. Cognitive cluster became the second most common by week three (24%). The severity of the energy and migrainous symptoms decreased over the post-injury period. Cognitive, mental health, and vestibular-ocular symptoms had a less pronounced reduction in severity into weeks 3 and 4.
Post-concussion symptom clusters change in both dominance and severity over the recovery period. Migrainous and energy symptoms are greater during early recovery but improve over time. Cognitive, mental health, and vestibular-ocular symptoms do not improve as significantly in patients who are still symptomatic at weeks 3 and 4. Future research should investigate whether symptom clusters offer prognostic value.
Authors/Disclosures
Brandon S. Wright
PRESENTER 		Mr. Wright has nothing to disclose.
Matthew T. Lorincz, MD, PhD (University of Michigan-NCAC Neurology) Dr. Lorincz has received personal compensation for serving as an employee of Alexion. Dr. Lorincz has received personal compensation for serving as an employee of Orphalon . Dr. Lorincz has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alexion. Dr. Lorincz has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Orphalon . Dr. Lorincz has received personal compensation in the range of $500-$4,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Medlink Neurology. The institution of Dr. Lorincz has received research support from Alexion.
Mark T. Roberts, MD (University of Miami) Dr. Roberts has nothing to disclose.
Abigail Bretzin, PhD The institution of Dr. Bretzin has received research support from Ivy League Big Ten University Presidents.
Michael Popovich, MD (NCAC) Dr. Popovich has nothing to disclose.
James T. Eckner, MD (University of Michigan Dept of PM&R) An immediate family member of Dr. Eckner has received personal compensation for serving as an employee of Autism Alliance of Michigan. The institution of Dr. Eckner has received research support from NIH. The institution of Dr. Eckner has received research support from Department of Defense. Dr. Eckner has received intellectual property interests from a discovery or technology relating to health care. Dr. Eckner has received personal compensation in the range of $500-$4,999 for serving as a CARE Consortium Publication Committee Member with Indiana University. Dr. Eckner has received personal compensation in the range of $0-$499 for serving as a 好色先生al Content Contributor with Move United.