METHOD FOR CHOICE OF FIRST-PRIORITY SURGERY OPERATION SIDE IN PATIENTS WITH BILATERAL SYMMETRIC LESIONS OF BRACHIOCEPHALIC ARTERIES, DURING ASYMPTOMATIC COURSE OF CHRONIC CEREBROVASCULAR INSUFFICIENCY

摘要

FIELD: medicine.;SUBSTANCE: in preoperational period, short-latent somatosensory evoked potentials are recorded under bilateral stimulation of median nerve, and complex N20-P23 amplitudes of right and left cerebral hemispheres are measured; first-priority surgery operation is conducted on the side with significantly lower value of complex N20-P23 amplitude.;EFFECT: method increases choice reliability of first-priority surgery operation side.;6 tbl, 4 ex