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Updated: Jan 31, 2026

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The Bionic Clicker Mark I & II
Published on: August 14, 2017
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Advanced Bionics V1デバイス改訂に関連する音声知覚パフォーマンスの時間経過
Eric Rodriguez1,2, Jeffrey Simmons1, Elizabeth A Kelly1
1Boys Town National Research Hospital, Omaha, NE.
まとめ
Advanced Bionics HiRes Ultra V1人工内耳は、7年生存率が30~33%と低いため、注意深い監視が必要です。音声知覚は改訂後に回復しますが、以前の水準に達するには最大9ヶ月かかる場合があります。
科学分野:
- 耳鼻咽喉科
- 生体医工学
- 神経科学
背景:
- 人工内耳デバイスの信頼性は、聴覚リハビリテーションにとって非常に重要です。
- Advanced Bionics HiRes UltraおよびUltra 3D V1内部デバイスは、自主的なフィールド是正措置を受けています。
- デバイスの故障率とその音声知覚への影響を理解することは、患者管理にとって不可欠です。
研究 の 目的:
- Advanced Bionics HiRes UltraおよびUltra 3D V1内部デバイスの故障率および再手術率を特定すること。
- これらのデバイスを持つ患者の音声知覚の変化の時間経過を分析すること。
- 音声知覚の結果に対する再手術の有効性を評価すること。
主な方法:
- 三次紹介センターで実施された後ろ向き症例シリーズ。
- 成人および小児患者のデバイス故障、再手術、音声知覚データの分析。
- 音声知覚検査を用いて、再手術前後の経時的なパフォーマンスを追跡しました。
主要な成果:
- 成人で30.6%、小児で33.3%という7年生存率で、有意なデバイス故障率が観察されました。
- 音声知覚の低下は、再手術の最大9ヶ月から12ヶ月前に認められました。
- 再手術後、音声知覚の回復は3ヶ月以内に観察され、9ヶ月までに安定しました。
結論:
- V1デバイスは懸念されるほど低い生存率を示しており、時間の経過とともにさらなる劣化の可能性があることを示唆しています。
- 再手術後の音声知覚の回復は可能ですが、かなりの期間(最大9ヶ月)を必要とします。
- デバイス故障の影響を管理するために、特に小児受信者においては、デバイスの完全性と音声知覚の厳密な監視が推奨されます。
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