Comparisons of Regional Topography and Flow Reactivity in Cerebral Ischemic Boundary Zones
Although the term “penumbra” has been used since 1977  to describe an ischemic boundary zone characterized by suppression of electrophysiological function with complete or near-complete preservation of extracellular potassium homeostasis, there is continued uncertainty regarding its nature and extent, and hence its significance in relation to the management of cerebral ischemia as it presents in man.
KeywordsDepression Ischemia Platinum Hexagonal NADH
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