Cochlear implantation surgery in patients with narrow facial recess

Wang, Line; Yang, Jigang; Jiang, Changcan; Zhang, Daoxing

doi:10.3109/00016489.2013.797602

Cited by 12 publications

(17 citation statements)

References 11 publications

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“…Both approaches started with a postauricular incision followed by a mastoidectomy. In the facial recess approach, the facial nerve was skeletonized and the facial recess was opened as wide as possible, then the chorda tympani nerve was exposed and moved anteriorly to widen the facial recess [20]. The cochleostomy was made in the area where the round window niche is normally situated.…”

Section: Surgical Proceduresmentioning

confidence: 99%

Cochlear implantation in 21 patients with common cavity malformation

Jiao

Wang

Zhang

2015

Acta Oto-Laryngologica

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The facial recess approach was used in 3 patients with CC malformation with an incomplete basal turn, and the transmastoid single-slit labyrinthotomy approach in 18 patients with classic CC malformation. After follow-up for 36 months, the average free-field hearing threshold was higher, and the scores for the CAP, SIR, IT-MAIS, and closed-set/open-set auditory speech perception tests were lower than in the control group (p < 0.05).

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Section: Surgical Proceduresmentioning

confidence: 99%

Cochlear implantation in 21 patients with common cavity malformation

Jiao

Wang

Zhang

2015

Acta Oto-Laryngologica

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“…Wang L et al and Wang LE et al, in their studies, found 32 patients with narrow FRs of less than 1.0 mm. 36 37 The main reason for the narrow FR, according to them, was CTN retropositioning.…”

Section: Discussionmentioning

confidence: 99%

Anatomical Study of the Facial Recess with Implications in Round Window Visibility for Cochlear Implantation: Personal Observations and Review of the Literature

Jain

Deshmukh

Lakhotia

et al. 2019

Int Arch Otorhinolaryngol

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Introduction Posterior tympanotomy through facial recess (FR) is the conventional and most preferred approach to facilitate cochlear implantation, especially when the electrode is inserted through the round window. The complications of the FR approach can be minimized by proper understanding of the anatomy of the FR. Objective The present study was undertaken to assess the various parameters of FR and round window visibility, which may be of relevance for cochlear implant surgery. Methods Thirty-five normal wet human cadaveric temporal bones were studied by dissection for anatomy of FR and posterior tympanum. Photographs were taken with an 18 megapixels digital camera, which were then imported to a computer to determine various parameters. Results The mean distance from the take-off point/crotch of the chorda tympani nerve (CTN) to the stylomastoid foramen was 4.08 ± 0.8 mm (range of 2.06 - 5.5 mm). The variations in the course of the CTN included origin at the level of the lateral semicircular canal. The mean chorda-facial angle in our study was 26.91° ± 1.19°, with a range of 25° to 28.69°. The mean FR length ranged between 9.4 mm and 18.56 mm (mean of 12.41 ± 2.91mm) and varied with the origin of the CTN and pneumatization of temporal bone. The average maximum width of the FR was 2.93 ± 0.4 mm (range 2.24–3.45 mm) and the mean width of the FR at the level of the round window was 2.65 ± 0.41 mm. Conclusion The FR approach provides good access to the round window membrane in all cases. In some cases, table adjustment is required.

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“…Preservation of the bone overlying the chorda tympani may prevent this complication, and yet skeletonization of the structure is required to optimize visualization of the round window [28]. In patients with a narrow facial recess, some surgeons may suspend, place anteriorly, or adhere the chorda tympani nerve to the posterior wall of the auditory canal in order to expose the round window and preserve the function of chorda tympani nerve [30]. …”

Section: Discussionmentioning

confidence: 99%

The Construct Validity and Reliability of an Assessment Tool for Competency in Cochlear Implant Surgery

Piromchai

Kasemsiri

Wijewickrema

et al. 2014

BioMed Research International

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Introduction. We introduce a rating tool that objectively evaluates the skills of surgical trainees performing cochlear implant surgery. Methods. Seven residents and seven experts performed cochlear implant surgery sessions from mastoidectomy to cochleostomy on a standardized virtual reality temporal bone. A total of twenty-eight assessment videos were recorded and two consultant otolaryngologists evaluated the performance of each participant using these videos. Results. Interrater reliability was calculated using the intraclass correlation coefficient for both the global and checklist components of the assessment instrument. The overall agreement was high. The construct validity of this instrument was strongly supported by the significantly higher scores in the expert group for both components. Conclusion. Our results indicate that the proposed assessment tool for cochlear implant surgery is reliable, accurate, and easy to use. This instrument can thus be used to provide objective feedback on overall and task-specific competency in cochlear implantation.

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Cochlear implantation surgery in patients with narrow facial recess

Cited by 12 publications

References 11 publications

Cochlear implantation in 21 patients with common cavity malformation

Cochlear implantation in 21 patients with common cavity malformation

Anatomical Study of the Facial Recess with Implications in Round Window Visibility for Cochlear Implantation: Personal Observations and Review of the Literature

The Construct Validity and Reliability of an Assessment Tool for Competency in Cochlear Implant Surgery

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