The diagnostic value of electronystagmography in vertigo in elderly patients with vertebro-basilar insufficiency / 解放军医学杂志

ABSTRACT

Objective To explore the electronystagmography (ENG) changes and their clinical significance in aged patients with vertebro-basilar insufficiency (VBI). Methods Sixty aged patients with VBI were selected as experimental group for testing of visuo-oculomotor system reaction, spontaneous nystagmus, caloric test and positional nystagmus. Forty normal aged persons as control group. Results In the experimental group, there were 11 cases (18.3%) who had spontaneous nystagmus and 46 cases (76.6%) with positional nystagmus. The positional nystagmus intension in those patients was 7.76?6.05?/s, which was much higher compared to the control group (P