Journal
BRAIN INJURY
Volume 30, Issue 1, Pages 10-17Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/02699052.2015.1079733
Keywords
Brain injury; cardiac surgery; neurological biomarkers; neurological injury
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Background: Brain injury is an important, potentially devastating, complication in cardiac surgery. A significant number of patients suffer perioperative complications involving the central nervous system. Clinical manifestations of brain injury are associated with significantly increased mortality, morbidity and health resource utilization. Serum biomarkers have been studied in cardiac surgery to measure the degree and incidence of brain injury and to improve patient management. Methods: All relevant studies were identified by computerized searches of PubMed using the following Medical Subject Headings and keywords term: biomarker, cardiac surgery, brain injury and neurological complication. Results: The biomarkers that appear to be better indicators of brain injury severity in cardiac surgery and its consequences are S100B protein, neuron-specific enolase, glial fibrillary acidic protein, tau protein, matrix metalloproteinase-9, ubiquitin C terminal hydroxylase-L1 and neurofilaments. Conclusions: These biomarkers, independently of clinical and radiological findings, show global cerebral situation at the cellular level and the degree of brain dysfunction. However, up to date, there is no biomarker entirely suitable for the detection of brain injury after cardiac surgery.
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