Kulasegarah Jeyanthi, Burgess Helen, Neeff Michel, Brown Colin R S
Department of Otolaryngology, Head and Neck Surgery, Starship Children's Health, Park Road, Grafton, Auckland 1023, New Zealand.
Department of Audiology, Starship Children's Health, Park Road, Grafton, Auckland 1023, New Zealand.
Int J Pediatr Otorhinolaryngol. 2018 Apr;107:176-182. doi: 10.1016/j.ijporl.2018.01.032. Epub 2018 Feb 1.
To compare the audiological results of Bone Conduction Hearing Aid (BCHA) on hard test band and Bonebridge (BB) implant among children with microtia and atresia.
This is a retrospective review of patients with microtia and atresia who underwent BB implant insertion from September 2014 to February 2017 in Starship Children's Hospital. Preoperative audiological testing using a powered BCHA (Oticon Medical Ponto Pro Power) on a hard test band was used to compare post-operative hearing assessments with the BB.
Ten microtia and atresia patients were treated with a BB of whom three were treated bilaterally The children were aged between 5 and 15 and all had moderate to moderately severe conductive hearing loss. For each ear tested and subsequently implanted, BB aided speech scores were equivalent to that obtained by a BCHA. The mean improvement of speech reception threshold level between unaided and BB was statistically significant (p > 0.0001). Subjective questionnaire data indicated that BB implanted patients were performing within the norms of overall listening, both in quiet and in noise. Aided Speech In Noise (SIN) testing values were found to range from 0.8-6.5 for BCHA and 0.2-1.2 for BB and the difference was not statistically significant with a p value of 0.143.
In audiologic assessments BB performs comparably to BCHA among children with microtia and atresia.
比较骨传导助听器（BCHA）在硬测试带和骨桥（BB）植入物对小耳畸形和外耳道闭锁儿童的听力学效果。
这是一项对2014年9月至2017年2月在星舰儿童医院接受BB植入手术的小耳畸形和外耳道闭锁患者的回顾性研究。术前使用硬测试带上的动力BCHA（奥迪康医疗Ponto Pro Power）进行听力学测试，以比较术后使用BB的听力评估结果。
10例小耳畸形和外耳道闭锁患者接受了BB治疗，其中3例为双侧治疗。患儿年龄在5至15岁之间，均患有中度至中度重度传导性听力损失。对于每只接受测试并随后植入的耳朵，BB辅助的言语得分与BCHA获得的得分相当。未辅助和使用BB之间言语接受阈值水平的平均改善具有统计学意义（p>0.0001）。主观问卷数据表明，植入BB的患者在安静和嘈杂环境下的整体听力表现均在正常范围内。发现BCHA的辅助言语噪声测试（SIN）值范围为0.8 - 6.5，BB为0.2 - 1.2，差异无统计学意义，p值为0.143。
在听力学评估中，BB在小耳畸形和外耳道闭锁儿童中的表现与BCHA相当。
