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S100 AND COGNITIVE IMPAIRMENT AFTER MILD TRAUMATIC BRAIN INJURY

doi: 10.1080/16501970410015587

Open access

Abstract:

OBJECTIVE: The aim of this study was to explore the relationship between the proteins S100B and S100A1B and symptoms and signs of cognitive impairment for 3 months after mild traumatic brain injury (MTBI). METHODS: Serum concentrations of S100A1B and S100B were examined in a prospective cohort study of patients with MTBI and a Glasgow Coma Scale score of 14 or 15. Cognitive performance was assessed by repeated computerized neuropsychological testing and an extended neuropsychological test. Symptoms were assessed using the Rivermead Post-Concussion Symptoms Questionnaire. RESULTS: Concentrations of S100B and S100A1B were above cut-off in 31% and 48% respectively. Eight percent of the patients had signs of cognitive impairment according to the computerized neuropsychological tests and 30% according to the extended test. Symptoms of cognitive impairment were reported by 44% of the patients on the first day post-injury and by 26% at 3 months. No significant associations between S100B or S100A1B concentrations and symptoms or signs of cognitive impairment were found. CONCLUSION: Abnormal S100 serum concentrations and symptoms or signs of cognitive impairment were not significantly associated in patients with MTBI and a Glasgow Coma Scale score of 14 or 15.

Authors:

Catharina Nygren de Boussard A1, Anders Lundin A1, Daniel Karlstedt A1, Gunnar Edman A2, Aniko Bartfai A3, J├Ârgen Borg A4
A1 Department of Rehabilitation Medicine
A2 R&D Unit, Department of Psychiatry, Karolinska Institutet Danderyds Hospital Stockholm
A3 Department of Rehabilitation Medicine, Karolinska Institutet Huddinge University Hospital Stockholm
A4 Department of Neuroscience, Rehabilitation Medicine Uppsala University Sweden



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Volume 37, Issue 1

DOI: 10.1080/16501970410015587

Pages: 53-57

View at PubMed