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Eur J Clin Invest (2003) 33(5):397401.10.1046/j.1365-2362.2003.01161.x 146 HortonFWrightJSmithLHintonPJRobertsonMD

Examining the relationship between glutathione and post-traumatic headache in patients with persistent post-concussive symptoms Julie M Joyce 1,2,3,4 , Leah J Mercier 2,4,5 , Parker L La 1,2,3,4 , Tiffany Bell 1,2,3 , Julia M Batycky 2,4,5 , Chantel T Debert 2,3,4,5 , and Ashley D Harris 1,2,3,4 1 Department of Radiology, University of Calgary, Calgary, AB, Canada, 2 Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada, 3 Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada, 4 Integrated Concussion Research Program, University of Calgary, Calgary, AB, Canada, 5 Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada Using edited spectroscopy, we found increased glutathione in the anterior cingulate is associated with greater functional impact of headache in patients with persistent post-concussive symptoms suggesting oxidative stress is related to post-traumatic headache

All blood samples were centrifuged and the separated sera were kept frozen at 80 C until the time of the assay