Gardner Philip A, Shanley Robyn, Perry Brian P
UT Health San Antonio, Department of Otolaryngology, San Antonio, TX, USA.
Ear Medical Group, San Antonio, TX, USA.
Int J Pediatr Otorhinolaryngol. 2018 Aug;111:13-15. doi: 10.1016/j.ijporl.2018.05.017. Epub 2018 May 24.
In a discussion of the risks and benefits of pediatric cochlear implantation, device failure and the need for revision surgery is often overlooked. The failure rate has not been investigated extensively for this population of patients. Hearing results are under-reported following revision surgery as well. We will review our experience with cochlear implant failure, revision, and hearing results when available to better guide the preoperative counseling of families considering cochlear implantation.
Retrospective chart review of all children undergoing cochlear implantation from 2004 to 2014.
In this review of 579 cases of pediatric cochlear implantation, a 4.7% device failure rate was identified. Additionally, there was a 0.3% device infection rate, as well as a 0.3% electrode extrusion rate. 10 patients had audiometric data prior to and following revision surgery. These data demonstrate similar pre-failure and post revision surgery pure tone average.
Cochlear implant device failure is the most common long-term complication of surgery; fortunately, hearing outcomes following revision surgery, evaluated with pure tone average, revealed no decline in auditory performance.
在讨论小儿人工耳蜗植入的风险和益处时，设备故障及翻修手术的必要性常常被忽视。针对这类患者群体，故障率尚未得到广泛研究。翻修手术后的听力结果报告也不足。我们将回顾我们在人工耳蜗故障、翻修及听力结果方面的经验，以便在有可用信息时更好地指导考虑进行人工耳蜗植入的家庭的术前咨询。
对2004年至2014年期间所有接受人工耳蜗植入的儿童进行回顾性病历审查。
在对579例小儿人工耳蜗植入病例的本次审查中，确定设备故障率为4.7%。此外，设备感染率为0.3%，电极挤出率为0.3%。10例患者在翻修手术前后有听力测定数据。这些数据显示失败前和翻修手术后的纯音平均值相似。
人工耳蜗设备故障是手术最常见的长期并发症；幸运的是，通过纯音平均值评估，翻修手术后的听力结果显示听觉表现没有下降。
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