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首页> 外文期刊>Brazilian Journal of Otorhinolaryngology >Preservation of residual hearing after cochlear implant surgery: an exploration of residual hearing function in a group of recipients at cochlear implant units ?
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Preservation of residual hearing after cochlear implant surgery: an exploration of residual hearing function in a group of recipients at cochlear implant units ?

机译：保留人工耳蜗植入手术后的残余听力：探索人工耳蜗植入单元中一组受体的残余听力功能？

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Introduction: The preservation of residual hearing is becoming increasingly important in cochlear implant surgery. Conserving residual hearing is a positive prognostic indicator for improved hearing abilities. Objective: The primary aim of the study was to explore the preservation of residual hearing following cochlear implantation in a group of recipients at two major cochlear implant centers. Methods: A quantitative paradigm was adopted and exploratory research conducted within a retrospective data review design. The sample consisted of 50 surgical records and 53 audiological records from 60 observations (53 patients, seven of whom were implanted bilaterally). The records were selected using purposive sampling and consisted of records from participants ranging from six to 59 years of age. The average time of when the postoperative audiograms were performed in the current study was 24.7 months (s.d. = ±9.0). Data were analyzed through both qualitative and inferential statistics and a comparative analysis of unaided pre- and postoperative audiological test results was conducted. Results: Results indicated a high success rate of 92% preservation of residual hearing with half of the sample exhibiting complete preservation in cochlear implant recipients across all frequencies postoperatively. A total postoperative hearing loss was found in only 8% of cochlear implantees across all frequencies. There was no relationship between preoperative hearing thresholds and preservation of hearing postoperatively. The two main surgical techniques used in the current study were the contour on stylet and the advance off-stylet techniques, with the majority of surgeons utilizing a cochleostomy approach. From the findings, it became apparent that the majority of cases did not have any reported intraoperative complications. This is a positive prognostic indicator for the preservation of residual hearing. Conclusion: Findings suggest improved cochlear implant surgical outcomes when compared to previous studies implying progress in surgical techniques. The surgical skill and experience of the surgeon are evidenced by the minimal intraoperative complications and the high success rate of hearing preservation. This is a positive prognostic indicator for individuals with preoperative residual hearing as the preserved residual hearing allows for the potential of electro-acoustic stimulation, which in turn has its own hearing benefits.
机译：简介：保留残余听力在人工耳蜗植入手术中变得越来越重要。保留残余听力是改善听力能力的积极预后指标。目的：该研究的主要目的是探讨在两个主要的人工耳蜗植入中心的一组接受者中，人工耳蜗植入后残余听力的保留情况。方法：采用定量范例，并在回顾性数据审查设计中进行探索性研究。样本包括50份手术记录和53份听觉记录，这些记录来自60个观察结果（53例患者，其中7例是双边植入的）。这些记录是采用有目的的抽样方法选择的，并由参与者（年龄介于6至59岁之间）组成。在本研究中，进行术后听力图检查的平均时间为24.7个月（标准误=±9.0）。通过定性和推论统计对数据进行分析，并对术前和术后无助听觉检查结果进行比较分析。结果：结果表明，在所有频率的耳蜗植入接受者中，一半的样品在所有频率的耳蜗中完全保留，其保留残余听力的成功率高达92％。在所有频率下，仅8％的人工耳蜗植入者发现了总的术后听力损失。术前听力阈值与术后听力保持之间没有关系。当前研究中使用的两种主要手术技术是探针上的轮廓和先进的探针外技术，大多数外科医生采用耳蜗切开术。从发现中可以明显看出，大多数病例没有任何术中并发症的报道。这是保留残余听力的积极预后指标。结论：研究结果表明，与以前的研究相比，人工耳蜗植入物的手术结果有所改善，这暗示着手术技术的进步。最小的术中并发症和高的听力保存成功率证明了外科医生的手术技能和经验。对于保留术前残余听力的患者来说，这是一个积极的预后指标，因为保留的残余听力允许电声刺激的潜力，而电刺激又具有其自身的听力优势。

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