William T O'Brien, James W Hickey, Steven Mutimer, Lauren J Evans, Blake D Colman, Becca Xie, Lauren P Giesler, Brendan P Major, Biswadev Mitra, Gershon Spitz, Terence J O'Brien, Sandy R Shultz, Stuart J McDonald
{"title":"Next-day Serum Glial Fibrillary Acidic Protein Levels to Aid Diagnosis of Sport-Related Concussion","authors":"William T O'Brien, James W Hickey, Steven Mutimer, Lauren J Evans, Blake D Colman, Becca Xie, Lauren P Giesler, Brendan P Major, Biswadev Mitra, Gershon Spitz, Terence J O'Brien, Sandy R Shultz, Stuart J McDonald","doi":"10.1101/2024.07.31.24310616","DOIUrl":null,"url":null,"abstract":"The diagnostic utility of blood glial fibrillary acidic protein (GFAP) in sport-related concussion (SRC) is unclear. This study measured serum GFAP at either 16-24 hours (h), 24-32h, or 36-52h post-SRC in 156 Australian football players and compared levels with 98 control players without SRC. Median GFAP levels were higher in SRC cases at 16-24h (124.7 pg/mL; p<0.001) and 24-32h (96.2 pg/mL; p<0.001) compared to controls (66.0 pg/mL), but not at 36-52h (62.8 pg/mL). GFAP had an area under the curve of 0.83 at 16-24h and 0.72 at 24-32h. Serum GFAP at 16-24h can be a useful aid in SRC diagnosis.","PeriodicalId":501367,"journal":{"name":"medRxiv - Neurology","volume":"191 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"medRxiv - Neurology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1101/2024.07.31.24310616","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The diagnostic utility of blood glial fibrillary acidic protein (GFAP) in sport-related concussion (SRC) is unclear. This study measured serum GFAP at either 16-24 hours (h), 24-32h, or 36-52h post-SRC in 156 Australian football players and compared levels with 98 control players without SRC. Median GFAP levels were higher in SRC cases at 16-24h (124.7 pg/mL; p<0.001) and 24-32h (96.2 pg/mL; p<0.001) compared to controls (66.0 pg/mL), but not at 36-52h (62.8 pg/mL). GFAP had an area under the curve of 0.83 at 16-24h and 0.72 at 24-32h. Serum GFAP at 16-24h can be a useful aid in SRC diagnosis.
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