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Abstract #3002

Neurometabolite changes in College Hockey Players Correlated with Repetitive Head Impacts

Tyler C Starr1, Katherine Breedlove2,3, Monica Lininger4, Molly Charney1, Melissa DiFabio3, Eduardo Coello1, Huijun Liao1, Curtis Johnson3, Thomas Buckley3, and Alexander Lin1

1Radiology, Brigham and Women's Hospital, Boston, MA, United States, 2Neurotrauma Research Laboratory, Michigan Concussion Center, University of Michigan, Ann Arbor, MI, United States, 3Department of Kinesiology & Applied Physiology, University of Delaware, Newark, DE, United States, 4Department of Physical Therapy & Athletic Training, Northern Arizona University, Flagstaff, AZ, United States

Repetitive head impacts can lead to long-term cognitive deficits and neurodegenerative diseases such as chronic traumatic encephalopathy. To further understand the effects of repetitive subconcussive head impacts, this study aimed to measure neurochemical concentrations throughout a season of collegiate hockey and examine the relation between subconcussive impacts and neurochemical changes using telemetry and MRS data. As seen in previous studies, players experienced an increase in N-acetyl aspartate and choline. Interestingly, post season NAA was negatively correlated with some telemetry metrics.

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