James R Dornhoffer, Melissa D DeJong, Colin L W Driscoll, Aniket A Saoji
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引用次数: 0
Abstract
Objective: To review audiological experiences and early hearing outcomes from the early feasibility study of a fully implanted cochlear implant.
Study design: Prospective cohort.
Setting: Tertiary academic medical center.
Patient: Three adults (two-male, one female) with bilateral sensorineural hearing loss.
Interventions: Implantation with a fully implanted cochlear implant as part of an early feasibility study.
Outcomes: Postoperative unaided and aided pure-tone audiometry, tympanometry, mapping parameters, speech perception, battery life, and quality-of-life assessment.
Results: All patients in the early feasibility study of this fully implanted cochlear implant now use their devices regularly. Preoperative and postoperative audiometric measurements showed that their residual hearing in the implanted ear decreased slightly after surgery but was preserved. All patients had type A tympanograms after their transient middle ear effusion resolved. Electrical stimulation levels were comparable to those routinely used in traditional cochlear implants. Two of the three patients use a hearing aid in the implanted ear for additional gain and show significant improvement in speech perception since implantation. Average battery life before recharging is 4 days. All patients are regular users with two showing improvement in quality-of-life metrics after receiving the fully implanted cochlear implant.
Conclusion: The patient experience and hearing outcomes from the early feasibility study of a novel fully implanted cochlear implant are detailed in this study and demonstrate ease of operation and daily use by all participants. All patients obtained hearing, but two of three use a hearing aid with their device to overcome unanticipated implant circuitry noise and achieve improved speech perception scores. Current work is focused on reducing this system noise to allow for the device to be used as intended, without a hearing aid.
研究目的回顾完全植入式人工耳蜗早期可行性研究的听力经验和早期听力结果：前瞻性队列：地点：三级学术医疗中心：三名成人（两男一女），双侧感音神经性听力损失：作为早期可行性研究的一部分，植入完全植入式人工耳蜗：结果：术后无助和有助纯音测听、鼓室测听、映射参数、言语感知、电池寿命和生活质量评估：结果：这款完全植入式人工耳蜗的早期可行性研究中的所有患者现在都能定期使用他们的设备。术前和术后听力测量结果显示，植入耳的残余听力在术后略有下降，但仍得以保留。一过性中耳积液消退后，所有患者的鼓室造影均为 A 型。电刺激水平与传统人工耳蜗的常规刺激水平相当。三名患者中有两名在植入耳中使用助听器以获得额外增益，植入后言语感知明显改善。电池充电前的平均寿命为 4 天。所有患者都是定期使用者，其中两名患者在接受完全植入式人工耳蜗后，生活质量指标有所改善：本研究详细介绍了新型完全植入式人工耳蜗早期可行性研究中的患者体验和听力结果，并展示了所有参与者的易操作性和日常使用情况。所有患者都获得了听力，但其中三人中有两人使用了助听器，以克服植入电路意外产生的噪音，提高言语感知评分。目前的工作重点是降低系统噪音，以便在不使用助听器的情况下按预期使用设备。
期刊介绍：
Otology & Neurotology publishes original articles relating to both clinical and basic science aspects of otology, neurotology, and cranial base surgery. As the foremost journal in its field, it has become the favored place for publishing the best of new science relating to the human ear and its diseases. The broadly international character of its contributing authors, editorial board, and readership provides the Journal its decidedly global perspective.
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