Facial nerve stimulation in the narrow bony cochlear nerve canal after cochlear implantation

Rah, Yoon Chan; Yoon, Young-Kwang; Chang, Moon Young; Lee, Ji Young; Suh, Myung‐Whan; Lee, Jun Ho; Oh, Seung Ha; Chang, Sun O; Park, Moo Kyun

doi:10.1002/lary.25655

Cited by 15 publications

(14 citation statements)

References 25 publications

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“…Studies with data exclusively on pediatric patients reported FNS rates ranging from 1.1% to 7.1% (Table 1). 4,[8][9][10][11][12] Reports of FNS are primarily based on subjective descriptions by the patient or visual detection of facial movements, which may partially explain lower rates of FNS among pediatric patients. Children are often unable to adequately identify their symptoms, causing oversight of this complication in the pediatric population.…”

Section: Introductionmentioning

confidence: 99%

Electrostatic Discharge (ESD) as a Cause of Facial Nerve Stimulation After Cochlear Implantation: A Case Report

Rath

Amit

Emery

et al. 2021

Ann Otol Rhinol Laryngol

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Objective: To discuss persistent facial nerve stimulation (FNS) related to repeated electrostatic discharge (ESD) shock following cochlear implantation. Methods: Single case report with literature review. Results: FNS is a feared complication after cochlear implantation, occurring in approximately 7% of cases, with most patients having anatomic abnormalities. The presented case has no anatomical abnormalities but reported frequent environmental static shock. FNS during the first 1 to 3 seconds of processor attachment caused a significant decrease in the patient’s quality of life, requiring subsequent re-implantation with full resolution. Conclusions: FNS is a complication of cochlear implantation that can cause a great deal of distress and discomfort. Frequent electrostatic discharge (ESD) contributed to device malfunctioning and FNS in a patient with otherwise normal anatomy and should be avoided if possible.

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Section: Introductionmentioning

confidence: 99%

Electrostatic Discharge (ESD) as a Cause of Facial Nerve Stimulation After Cochlear Implantation: A Case Report

Rath

Amit

Emery

et al. 2021

Ann Otol Rhinol Laryngol

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“…4,5 These complications are generally associated with close neighboring of these structures or a narrow bony cochlear nerve canal. 5…”

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confidence: 99%

“…Early and late complications of CI are well known. Complications related to the facial nerve, including facial nerve palsy and stimulation, occur relatively less than do vestibular and cochlear complications 4,5 . These complications are generally associated with close neighboring of these structures or a narrow bony cochlear nerve canal 5 …”

mentioning

confidence: 99%

“…4,5 These complications are generally associated with close neighboring of these structures or a narrow bony cochlear nerve canal. 5 Electrophysiologic investigations are not mandatory in routine assessments of CI unless there exists a relevant complaint or sign. However, CI may lead to physiologic and functional changes at several levels in the nervous system.…”

mentioning

confidence: 99%

“…Complications related to the facial nerve, including facial nerve palsy and stimulation, occur relatively less than do vestibular and cochlear complications. 4,5 These complications are generally associated with close neighboring of these structures or a narrow bony cochlear nerve canal. 5 Electrophysiologic investigations are not mandatory in routine assessments of CI unless there exists a relevant complaint or sign.…”

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confidence: 99%

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Electrophysiologic Evaluation of the Facial Nerve and Blink Reflex Pathways in Asymptomatic Cochlear Implant Users

Edızer¹,

Adatepe²,

Uzun

et al. 2016

Otolaryngol.--head neck surg.

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Risk factors and management strategies of inadvertent facial nerve stimulation in cochlear implant recipients: A systematic review

Alahmadi,

Abdelsamad,

Yousef

et al. 2023

Laryngoscope Investig Oto

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ObjectivesTo systematically review the prevalence and risk factors of inadvertent facial nerve stimulation (FNS) after cochlear implant (CI) surgery. And to report the different management strategies used for reducing and resolving FNS.Data SourceWeb of Science, Scopus, PubMed, Cochrane Library, and Virtual Health Library (VHL) of the World Health Organization (WHO).Review MethodsA systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta‐Analysis (PRISMA) on studies that reported FNS as a complication after CI. A comprehensive electronic search strategy was used to identify the relevant articles. We extracted the data on the prevalence of FNS after CI activation, the reported grades, and the management strategies. The number of associated electrodes; cause of deafness; co‐anomalies; and duration of hearing loss and their relationships with FNS were also studied.ResultsTwenty‐one relevant articles were included in this review. The prevalence of FNS among the CI populations was 5.29% (175/3306 patients). Among those whose ages were reported, 58.3% (95/163) were adults, and 41.7% (68/163) were pediatrics. Modifying the different fitting parameters was the most used strategy, as it successfully resolved FNS in 85.5% of the patients (142/166). The second commonly used management strategy was surgical intervention (reimplantation or explantation), which was reported in seven studies for 23 patients.ConclusionFNS after CI activation could be controlled and resolved with many advances that range from readjusting the fitting parameters to surgical intervention. However, further studies are required to validate the efficacy of each management strategy and its impact on patients' performance. Our findings demonstrate that CI recipients with FNS could still benefit from the CI devices and their FNS could be controlled.

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Facial nerve stimulation in the narrow bony cochlear nerve canal after cochlear implantation

Abstract: 4. Laryngoscope, 126:1433-1439, 2016.

Cited by 15 publications

References 25 publications

Electrostatic Discharge (ESD) as a Cause of Facial Nerve Stimulation After Cochlear Implantation: A Case Report

Electrostatic Discharge (ESD) as a Cause of Facial Nerve Stimulation After Cochlear Implantation: A Case Report

Electrophysiologic Evaluation of the Facial Nerve and Blink Reflex Pathways in Asymptomatic Cochlear Implant Users

Risk factors and management strategies of inadvertent facial nerve stimulation in cochlear implant recipients: A systematic review

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