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<p>Cochlear implantation (CI) is a key intervention for pediatric patients with profound sensorineural hearing loss. Advancements in technology and surgical techniques have expanded its use, but an increasing number of implantations has led to a rise in complications requiring explantation, re-implantation, and external speech processor replacements. This study evaluates the incidence, causes, and contributing factors for CI re-implantation and external processor failures. A retrospective review of 418 pediatric CI recipients (2012–2024) was conducted at a single institution. Data on the etiology of hearing loss, associated disorders, radiological findings, age at implantation, gender, device type, surgical details, explantation causes, re-implantation timing, and complications were analyzed. External speech processor failures were also examined. Among 417 successfully implanted children, eight re-implantations occurred in seven patients (1.92%). Causes included device failures (1.19%), medical complications (0.48%), and unknown factors (0.48%). Kaplan–Meier survival analysis showed CI survival rates of 97.18% (5&#xa0;years), 96.17% (10&#xa0;years), and 86.55% (15&#xa0;years). Additionally, external speech processor failures led to upgrades in 11% of cases, highlighting the need for improved device durability. Cochlear implant (CI) re-implantation rates vary globally, with our study reporting a lower rate (1.91%) due to newer-generation devices. The findings of this study emphasize the importance of monitoring long-term outcomes of cochlear implants to evaluate device performance and enhance patient care. Findings advocate for improved long-term monitoring, targeted caregiver education, and technological refinements to optimize pediatric CI outcomes.</p>

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Exploring Cochlear Implant Reliability: A 12-Year Retrospective Study on Re-implantation and External Device Failures

  • 期刊论文

  • 发表日期：

    2025年8月8日

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  • Geetha Chinnaraj,
  • P. Jawahar Antony,
  • Aisha Syeda

摘要

Cochlear implantation (CI) is a key intervention for pediatric patients with profound sensorineural hearing loss. Advancements in technology and surgical techniques have expanded its use, but an increasing number of implantations has led to a rise in complications requiring explantation, re-implantation, and external speech processor replacements. This study evaluates the incidence, causes, and contributing factors for CI re-implantation and external processor failures. A retrospective review of 418 pediatric CI recipients (2012–2024) was conducted at a single institution. Data on the etiology of hearing loss, associated disorders, radiological findings, age at implantation, gender, device type, surgical details, explantation causes, re-implantation timing, and complications were analyzed. External speech processor failures were also examined. Among 417 successfully implanted children, eight re-implantations occurred in seven patients (1.92%). Causes included device failures (1.19%), medical complications (0.48%), and unknown factors (0.48%). Kaplan–Meier survival analysis showed CI survival rates of 97.18% (5 years), 96.17% (10 years), and 86.55% (15 years). Additionally, external speech processor failures led to upgrades in 11% of cases, highlighting the need for improved device durability. Cochlear implant (CI) re-implantation rates vary globally, with our study reporting a lower rate (1.91%) due to newer-generation devices. The findings of this study emphasize the importance of monitoring long-term outcomes of cochlear implants to evaluate device performance and enhance patient care. Findings advocate for improved long-term monitoring, targeted caregiver education, and technological refinements to optimize pediatric CI outcomes.