Vermeire Katrien, Van de Heyning Paul
University Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Antwerp, University of Antwerp, Antwerp, Belgium.
Audiol Neurootol. 2009;14(3):163-71. doi: 10.1159/000171478. Epub 2008 Nov 13.
The aim of this clinical study was to assess speech recognition in noise after cochlear implantation in subjects with single-sided deafness and incapacitating tinnitus. 20 subjects complaining of severe intractable tinnitus unresponsive to treatment received a MED-EL cochlear implant (CI). 11 subjects had normal hearing (NH group) on the contralateral side, while 9 used a hearing aid (HA group). The subjects were tested in noise in two listening conditions, i.e. with their acoustic hearing only and with adding the CI to the acoustic hearing (binaural). Subjective improvement in daily life was evaluated using the Speech Spatial and Qualities Hearing Scale (SSQ). The summation effect (3.3 dB for the HA group and 0.6 dB for the NH group) is not significant in both groups. A significant squelch effect of adding the CI was seen for the HA users (3.8 dB), but not for the NH group (1.2 dB). Additionally, a significant effect of adding the CI was found for the spatial configuration where noise is presented in front and speech on the CI side for both the HA group (6.5 dB) and the NH group (1.7 dB). Results of the SSQ show a significant overall benefit of wearing the CI for both groups. The preliminary results of these 20 subjects suggest that cochlear implantation can improve hearing in people suffering from single-sided deafness combined with tinnitus.
这项临床研究的目的是评估单侧耳聋且伴有严重耳鸣患者在人工耳蜗植入后的噪声环境下言语识别能力。20名因严重难治性耳鸣且治疗无效而抱怨的受试者接受了MED-EL人工耳蜗植入（CI）。11名受试者对侧耳听力正常（NH组），而9名使用助听器（HA组）。受试者在两种聆听条件下进行噪声测试，即仅使用其听觉听力以及在听觉听力基础上加上人工耳蜗（双耳聆听）。使用言语空间和质量听力量表（SSQ）评估日常生活中的主观改善情况。两组的累加效应（HA组为3.3 dB，NH组为0.6 dB）均不显著。对于HA使用者，添加人工耳蜗后有显著的静噪效应（3.8 dB），但NH组没有（1.2 dB）。此外，对于HA组（6.5 dB）和NH组（1.7 dB），在噪声出现在前方且言语来自人工耳蜗一侧的空间配置中，添加人工耳蜗有显著效果。SSQ结果显示两组佩戴人工耳蜗均有显著的总体益处。这20名受试者的初步结果表明，人工耳蜗植入可改善单侧耳聋合并耳鸣患者的听力。
