TY - GEN AU - Ahmed Mohamed Elkalioubie AU - Ahmed Abd El aziz , AU - Mohamed ashraf , AU - Mohamed shafei , TI - Non invasive evaluation of cerebral oxygenation in metabolic encephalopathy.diagnostic value and prognostic implication / PY - 2006/// CY - Cairo : PB - Ahmed Mohamed Elkalioubie , KW - oxinet KW - rSO2 N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Medicine - Department Of Critical Care Medicine; Issued also as CD N2 - The invos cerebral oximeter device is a validated tool for measuring cerebral oxygenation , as a balance between cerebral oxygen delivery and uptake or oxygen availabilitythe rso2 value does not show a statistically significant correlation with the standard hemodynamic parameters which are global indicators of peripheral tissue oxygen delivery / consumption balance (lactate , map , svo2 , gcs , pao2 / fio2) the rso2 provides local information regarding oxygen over the frontal lobes at the watershed zone between anterior and middle cerebral arteriesno single , static , rso2 value can be taken as a prognostic indicator , but rather it is the trend of change over time that correlates with prognosis ER -