FIELD: medicine, anesthesiology, neurosurgery.
SUBSTANCE: at resecting a basal meningioma due to applying Nd-YAG-laser of 45-55 W power one should register acoustic stem evoked potentials at the stage of operation after premedication and at the stage of meningioma's resection. At altering amplitude-temporal parameters of their components at the stage of resection against the stage of premedication in combination with bradycardia being 48-52 strokes per min for 15 min with tendency to hypertension one should predict unfavourable result of operation. The method widens the number of ways for predicting the result of operation in case of removing cerebral basal tumors.
EFFECT: higher accuracy of prediction.
1 ex
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