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Introduction Conclusive evidence of cerebral ischemia following head injury has been elusive. We aimed to use 15O and 18Fluorodeoxyglucose positron emission tomography (PET) to investigate pathophysiological derangements following head injury. Results Eight patients underwent PET within 24 h of injury to map cerebral blood flow (CBF), cerebral oxygen metabolism (CMRO2), oxygen extraction fraction...
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