使用脑干听觉诱发电位（BAER）来识别老年马匹听觉功能的丧失。
Use of BAER to identify loss of auditory function in older horses.
作者信息
Wilson W J, Mills P C, Dzulkarnain A A
机构信息
Division of Audiology, School of Health and Rehabilitation Sciences, The University of Queensland, St Lucia, Queensland 4072, Australia.
出版信息
Aust Vet J. 2011 Mar;89(3):73-6. doi: 10.1111/j.1751-0813.2010.00682.x.
OBJECTIVE
To use the brainstem auditory evoked response (BAER) to test the hypothesis that auditory function could be worse in older horses than in younger horses.
PROCEDURE
BAER waveforms in response to click stimuli were measured in five younger horses (5-8 years) and four older horses (17-22 years).
RESULTS
Compared with the younger horses, the older horses showed significantly (P < 0.02) worse BAER thresholds and significantly (P < 0.02) worse BAER wave V amplitudes to the 90 decibels above normal hearing level stimulus. These results were consistent with partial deafness in the older horse group.
CONCLUSION
BAER assessment can be used to identify partial deafness in older horses. Such horses should be managed appropriately, with particular care taken in noisy environments where hearing loss could put the horse and/or its owner at risk of harm.
目的
使用脑干听觉诱发电位（BAER）来验证老年马的听觉功能可能比年轻马更差这一假设。
程序
对5匹年轻马（5 - 8岁）和4匹老年马（17 - 22岁）测量了对点击刺激的BAER波形。
结果
与年轻马相比，老年马在高于正常听力水平90分贝的刺激下，BAER阈值显著更差（P < 0.02），且BAER波V波幅显著更差（P < 0.02）。这些结果与老年马组的部分耳聋一致。
结论
BAER评估可用于识别老年马的部分耳聋。此类马匹应得到妥善管理，在嘈杂环境中尤其要格外小心，因为听力损失可能使马和/或其主人面临受伤风险。
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