Cerebral energy metabolism and microdialysis in neurocritical care.

Carl-Henrik Nordström

Research output: Contribution to journalArticlepeer-review

Abstract

It is of obvious clinical importance to monitor cerebral metabolism-in particular, cerebral energy metabolism and indicators of cellular damage-online at the bedside. The technique of cerebral microdialysis provides the opportunity for continuous monitoring of metabolic changes in the tissue before they are reflected in peripheral blood chemistry or in systemic physiological parameters. The basic idea of microdialysis is to mimic the function of a blood capillary by positioning a thin dialysis tube in the tissue and to be used to analyze the chemical composition of the interstitial fluid. The biochemical variables used during routine monitoring were chosen to cover important aspects of cerebral energy metabolism (glucose, pyruvate and lactate), to indicate excessive interstitial levels of excitatory transmitter substance (glutamate) and to give indications of degradation of cellular membranes (glycerol). Furthermore, pharmokinetic studies can be conducted using microdialysis. This article discusses technical and physiological aspects of microdialysis, and its clinical applications in brain injury.
Original languageEnglish
Pages (from-to)465-472
JournalChild's Nervous System
Volume26
DOIs
Publication statusPublished - 2010

Subject classification (UKÄ)

  • Neurology
  • Surgery

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