Ylikoski J, Juntunen J, Matikainen E, Ylikoski M, Ojala M
Department of Otolaryngology, Central Military Hospital, Helsinki, Finland.
Acta Otolaryngol. 1988 May-Jun;105(5-6):558-63. doi: 10.3109/00016488809119520.
Sixty patients with varying degrees of noise-induced hearing loss (NIHL) after long-term exposure to intense impulse noise from firearms, but without manifest clinical symptoms of vestibular pathology, were tested for body sway using a stable platform. The results were compared with those from 115 healthy referents examined in the same way. Subjects with NIHL showed significantly more body sway, estimated as movement of the centre of gravity in the horizontal plane, than did the referents. Subjects with more severe NIHL showed more sway than subjects with milder acoustic trauma. The results show that body sway is increased in patients with NIHL from exposure to impulse noise of high intensity in a way suggesting an exposure-effect relationship. This suggests subclinical disturbances of the vestibular system in these patients. The underlying mechanism may be simultaneous mechanical damage to both the cochlear and vestibular partitions by intense impulse noise.
六十名长期暴露于枪支强烈脉冲噪声后出现不同程度噪声性听力损失（NIHL）但无明显前庭病理学临床症状的患者，使用稳定平台进行了身体摆动测试。将结果与以同样方式检查的115名健康对照者的结果进行了比较。与对照者相比，NIHL患者的身体摆动明显更多，身体摆动以水平面内重心的移动来估计。NIHL更严重的患者比轻度声创伤患者的摆动更多。结果表明，暴露于高强度脉冲噪声的NIHL患者身体摆动增加，呈现出暴露-效应关系。这表明这些患者存在前庭系统的亚临床紊乱。潜在机制可能是强烈脉冲噪声对耳蜗和前庭隔板同时造成机械损伤。
