Abstract:Objective To evaluate the influence of cochlear sensorial hearing loss on static balance via quantitative and qualitative analysis of vestibulospinal reflex with posturographic examination. Methods Static posturography was applied to normal subjects (28 cases) and patients with cochlear sensorial hearing loss (66 cases) separately and the length of locus and velocity of postural sway were recorded. Results For patients with cochlear sensorial hearing loss of greater than or equal to 71 dBHL, the length of locus and velocity of postural sway were significantly increased. The differences were statistically significant (P<0.05). When eyes closed, the difference of velocity of postural sway between normal subjects and patients with sensorial hearing loss of greater than or equal to 71 dBHL was more significant (P<0.01). The differences between normal subjects and patients with sensorial hearing loss of less than 71 dBHL were statistically insignificant (P>0.05). Conclusion In patients with cochlear sensorial hearing loss (≥71 dBHL), vestibulospinal reflex is abnormal and their ability to keep stability weakens.