FIELD: medicine. SUBSTANCE: method involves continuously controlling the central nerve system state in ischemic and postischemic period, recording oxygen stress level (saturation, чSO2) in frontal cerebral lobe substance and blood outflowing from the brain by means of cerebral oxymetry. Cardiosurgical patient is delivered into the operating room, spectrometer transducer is positioned on the front area (the right and left pole projection) for recording oxygen stress чSO2. The чSO2 is measured in the corresponding structures of the frontal cerebral lobes and outflowing blood. Recording is carried out from the moment of anesthesia induction and further at surgical intervention stages in process of cooling, before-, during- and after isolating the heart from blood circulation for the time period the main operation stage is performed and then at the stage the patient is warmed-up to 36 C after the operation is over. The central nerve system state is evaluated from oxygen stress level in frontal cerebral lobe substance and blood outflowing from the brain. The чSO2 value being found to be lower than reference value, hypoxia is diagnosed. EFFECT: improved diagnosis accuracy; appropriate antihypoxia therapy selectable.
Authors
Dates
2000-11-10—Published
1998-11-24—Filed