Endoscopic-Assisted Cochlear Implantation: A Case Series

Orhan, Kadir Serkan; Polat, Beldan; Çelik, Mehmet Ali; Çomoğlu, Şenol; Güldíken, Yahya

doi:10.5152/iao.2016.1636

Cited by 18 publications

(16 citation statements)

References 14 publications

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“…Since some electrodes are particularly flexible and springy, while some others may require removal of the stylet with one hand and insertion with the other, it is an unnecessary challenge to try to insert the electrode while one hand is holding the endoscope. Our technique is different from other recently published series [ 19 , 37 ] in that the annulus is not elevated and endoscopy of the RW is performed through the PT opening. In our experience, it is not necessary to elevate the annulus and obtain a transcanal microscopic and/or endoscopic exposure and we think that transcanal exploration is prone to iatrogenic annulus and/or tympanic membrane injures, especially in children with eardrum retractions.…”

Section: Discussionmentioning

confidence: 97%

“…Both features contribute to the benefit of obtaining a panoramic view of the anatomical structures, which may not be possible with the direct line of vision of the microscope. EES can be applied not only during the conventional approach, but also while using other alternative CI techniques ( Table 1 ), which can be grouped as transmeatal (suprameatal and endomeatal) and endoscope-assisted (percutaneous, transcanal and transfacial recess) approaches ( Table 4 ) [ 15 , 19 , 20 , 31 , 34 - 37 ]. The disadvantages of alternative techniques are electrode exposure or extrusion and cholesteatoma formation; ear canal or tympanic membrane injuries were reported to occur in almost half of the patients [ 20 , 32 ].…”

Section: Discussionmentioning

confidence: 99%

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Endoscope-Assisted Cochlear Implantation

Günerı

Olgun

2018

Clin Exp Otorhinolaryngol

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Objectives Our aim was to present our endoscope-assisted cochlear implantation (CI) technique, in which the middle ear landmarks were identified through the facial recess exposure by using an endoscopic view without elevating the tympanic annulus. The secondary goal was to assess whether the situation of difficult surgical exposure could be predicted by evaluating preoperative axial computed tomography (CT) examinations.Methods CT examinations and surgical outcomes of endoscope-assisted CI surgeries were analyzed.Results A total of 179 CI operations performed in 27 adults (15.1%) and 152 children (84.9%) were retrospectively evaluated. It was found that in 14 cases (7.8%), endoscopic examination contributed substantially in identifying the round window (RW) membrane correctly. Endoscopic identification of the RW through the posterior tympanotomy enabled us to perform a straightforward surgery in all these cases, without the need for switching to a bony cochleostomy or alternative surgical techniques. The difficulty in the surgical exposure was predicted preoperatively by examining the axial CT scans in six of the 14 cases (42.8%) for which endoscopic assistance was necessary in order to identify the RW correctly.Conclusion The main benefit of endoscope-assisted CI is the improved visibility leading to a panoramic view of the RW region. The implementation of transfacial recess endoscopic examination into the conventional CI technique is helpful to avoid problems during surgical orientation. However, the difficulty in the surgical exposure of the RW cannot be reliably predicted by the subjective evaluation of preoperative CT scans and more studies are needed to obtain reliable criteria.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Endoscope-Assisted Cochlear Implantation

Günerı

Olgun

2018

Clin Exp Otorhinolaryngol

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“…Orhan et al . reported on endoscopic-assisted cochlear implantation 12 . We found that the use of an endoscope (i.e.…”

Section: Discussionmentioning

confidence: 89%

Dislocation of cochlear implant magnet during 1.5 Tesla magnetic resonance imaging despite head bandaging, and its repositioning using an endoscopic approach

Leong

Yuen

2018

J. Laryngol. Otol.

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“…It was recently demonstrated that the endoscopic approach enables excellent visualization and exploration of the RW niche during ear surgery, especially in patients with middle and inner ear malformations. 2-5…”

mentioning

confidence: 99%

Endoscopic‐Assisted Cochlear Implantation in Children with Malformed Ears

Carner

Sacchetto

Bianconi

et al. 2019

Otolaryngol.--head neck surg.

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Objective Complex middle and inner ear malformations are considered an important limitation for cochlear implant (CI) with traditional microscopic techniques. The aim of the present study is to describe the results of the endoscopic-assisted CI procedure in children with malformed ears. Study Design Case series with chart review of consecutive patients. Setting Two tertiary referral centers: University Hospital of Verona and University Hospital of Modena, Italy. Subjects and Methods In total, 25 children underwent endoscopic-assisted cochlear implantation between January 2013 and January 2018. The audiologic and neuroradiologic assessment showed profound hearing loss and malformation of the middle and inner ear in all children. A complete review of anatomic features, surgical results, and audiologic outcomes was performed. The surgical technique is described step-by-step, and the outcomes are detailed. Results All patients (mean age, 3.6 years; range, 2.8-9 years) underwent a transattical/endoscopic-assisted CI procedure. All children showed varying degrees of auditory benefit, as measured by routine audiometry, speech perception tests, and Categories of Auditory Performance scores (mean, 6). No immediate or late postoperative complications were noted. Conclusion The endoscopic-assisted approach proved to be successful in cochlear implantation. The direct visualization and magnification allow (1) exploration of the tympanic cavity; (2) confirmation of all anatomic features, with strict control of the course of the facial nerve, round window area, and inner ear; and (3) performance of the cochleostomy with adequate insertion of the array.

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Endoscopic-Assisted Cochlear Implantation: A Case Series

Cited by 18 publications

References 14 publications

Endoscope-Assisted Cochlear Implantation

Endoscope-Assisted Cochlear Implantation

Dislocation of cochlear implant magnet during 1.5 Tesla magnetic resonance imaging despite head bandaging, and its repositioning using an endoscopic approach

Endoscopic‐Assisted Cochlear Implantation in Children with Malformed Ears

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