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Abstract #2734

Evaluation of brain volumetric changes and alterations in T1 relaxation times in American football players using 7 Tesla MRI

Oliver Kraff1, Cornelius Deuschl2, Richard Dodel3, Janis Evers3,4, Anika Nietert1,5, Annika Verheyen1,6, and Harald H Quick1,7
1Erwin L. Hahn Institute for MRI, University Duisburg-Essen, Essen, Germany, 2Dept. of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany, 3Chair of Geriatric Medicine, University Duisburg-Essen, Essen, Germany, 4Institute for Health Services Research and Clinical Epidemiology, Philipps University Marburg, Marburg, Germany, 5Westphalian University of Applied Sciences, Gelsenkirchen, Germany, 6University of Applied Sciences Ruhr West, Mülheim, Germany, 7High-Field and Hybrid MR Imaging, University Hospital Essen, University Duisburg-Essen, Essen, Germany

Synopsis

American football players were examined before and after a season of the German Football League. High resolution quantitative MRI at 7T for evaluations of volumetric changes and alterations in T1 relaxation times of various brain regions was performed. Age- and gender-matched subjects with no history of contact and collision sports served as a control group. In addition, structural susceptibility weighted imaging was compared between 3T and 7T. Loss of gray matter volume and an overall increase in T1 relaxation times were observed in players between both scans. SWI was superior in detecting cerebral microbleeds at 7T compared to 3T.

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