It is more suitable for the old patients with severe and profound binaural deafness.
非常适合双耳重度和极重度聋的老年人。
Objective To evaluate the effect of hearing AIDS for children with bilateral sensorineural deafness who had severe and profound hearing loss by fitting and adjusting hearing AIDS regularly.
目的为双耳重、极重度感音神经性聋患儿选配助听器，并进行定期调试，观察助听效果。
Artificial cochlear implant is an effective treatment for severe or extremely severe perceptive deafness.
人工耳蜗植入是重度或极重度感音性聋的有效康复方法。
ConclusionGenerally, moderate or severe neurosensory hearing loss of both ears occurs at the initial episode of LVAS and aggravates gradually to total deafness.
结论大前庭导水管综合征病儿初次发病时一般为双侧中重度以上感音神经性听力损失，随后波动性听力逐渐下降直至全聋。
ConclusionGenerally, moderate or severe neurosensory hearing loss of both ears occurs at the initial episode of LVAS and aggravates gradually to total deafness.
结论大前庭导水管综合征病儿初次发病时一般为双侧中重度以上感音神经性听力损失，随后波动性听力逐渐下降直至全聋。
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