BACKGROUND: Clinical methods to quantify brain injury related to neurosurgery are scarce. Circulating brain injury biomarkers have recently gained increased interest as new ultrasensitive measurement techniques have enabled quantification of brain injury through blood sampling. OBJECTIVE: To establish the time profile of the increase in the circulating brain injury biomarkers glial fibrillary acidic protein (GFAP), tau, and neurofilament light (NfL) after glioma surgery and to explore possible relationships between these biomarkers and outcome regarding volume of ischemic injury identified with postoperative MRI and new neurological deficits. METHODS: In this prospective study, 34 adult patients scheduled for glioma surgery were included. Plasma concentrations of brain injury biomarkers were measured the day before surgery, immediately after surgery, and on postoperative days 1, 3, 5, and 10. RESULTS: Circulating brain injury biomarkers displayed a postoperative increase in the levels of GFAP (P
CITATION STYLE
Michaëlsson, I., Hallén, T., Carstam, L., Laesser, M., Björkman-Burtscher, I. M., Sörbo, A., … Skoglund, T. (2023). Circulating Brain Injury Biomarkers: A Novel Method for Quantification of the Impact on the Brain After Tumor Surgery. Neurosurgery, 93(4), 847–856. https://doi.org/10.1227/neu.0000000000002510
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