Redox state [Neurosurgery Wiki]

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====== Redox state ======

Cerebral cytoplasmatic [[redox state]] is a sensitive indicator of cerebral [[oxidative metabolism]] and is conventionally evaluated from the extracellular [[Lactate to Pyruvate Ratio]].

During [[cerebral ischemia]] induced by severe hemorrhagic shock, intravascular microdialysis of the draining venous blood will exhibit changes of the [[Lactate to Pyruvate Ratio]] (LP ratio) revealing the deterioration of global cerebral oxidative energy [[metabolism]]. In neurocritical care, this technique might be used to give information regarding global cerebral energy metabolism in addition to the regional information obtained from intracerebral microdialysis catheters. The technique might also be used to evaluate cerebral energy state in various critical care conditions when insertion of an intracerebral microdialysis catheter may be contraindicated, e.g., resuscitation after cardiac standstill, open-heart surgery, and multi-trauma
((Jakobsen R, Halfeld Nielsen T, Granfeldt A, Toft P, Nordström CH. A technique 
for continuous bedside monitoring of global cerebral energy state. Intensive Care
Med Exp. 2016 Dec;4(1):3. doi: 10.1186/s40635-016-0077-2. Epub 2016 Jan 20.
PubMed PMID: 26791144.
)).