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https://observatorio.fm.usp.br/handle/OPI/7533
Title: | Cerebral Microdialysis in Traumatic Brain Injury and Subarachnoid Hemorrhage: State of the Art |
Authors: | OLIVEIRA, Marcelo de Lima; KAIRALLA, Ana Carolina; FONOFF, Erich Talamoni; MARTINEZ, Raquel Chacon Ruiz; TEIXEIRA, Manoel Jacobsen; BOR-SENG-SHU, Edson |
Citation: | NEUROCRITICAL CARE, v.21, n.1, p.152-162, 2014 |
Abstract: | Cerebral microdialysis (CMD) is a laboratory tool that provides on-line analysis of brain biochemistry via a thin, fenestrated, double-lumen dialysis catheter that is inserted into the interstitium of the brain. A solute is slowly infused into the catheter at a constant velocity. The fenestrated membranes at the tip of the catheter permit free diffusion of molecules between the brain interstitium and the perfusate, which is subsequently collected for laboratory analysis. The major molecules studied using this method are glucose, lactate, pyruvate, glutamate, and glycerol. The collected substances provide insight into the neurochemical features of secondary injury following traumatic brain injury (TBI) and subarachnoid hemorrhage (SAH) and valuable information about changes in brain metabolism within a short time frame. In this review, the authors detail the CMD technique and its associated markers and then describe pertinent findings from the literature about the clinical application of CMD in TBI and SAH. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - FM/MNE Artigos e Materiais de Revistas Científicas - HC/ICHC Artigos e Materiais de Revistas Científicas - HC/IPq Artigos e Materiais de Revistas Científicas - LIM/26 |
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