How does cochlear implantation affect five vestibular end-organ functions and dizziness?

Dagkiran, Muhammed; Tuncer, Ülkü; Sürmelioğlu, Özgür; Tarkan, Özgür; Özdemir, Süleyman; Çetik, Fikret; Kıroğlu, Mete

doi:10.1016/j.anl.2018.07.004

Cited by 26 publications

(23 citation statements)

References 30 publications

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“…There is a consensus in the literature that CI has certain effects on the vestibular functions. [1][2][3][4][5][6][7][8][9]29] The issue concerning the effects of the RWA and the SCA on vestibular functions is still controversial. [21][22][23][24] In our opinion, the differing results of these studies are due to not using a complete vestibular test battery.…”

Section: Discussionmentioning

confidence: 99%

“…[21][22][23][24] Our previous study on the effects of CI on vestibular receptor functions showed that horizontal SSC, vertical SSC, utricle and saccule could all be affected. [5] A complete test battery is essential to obtain more accurate results. This prompted us to use a complete test battery to compare the RWA and SCA in our study.…”

Section: Discussionmentioning

confidence: 99%

“…In our earlier study, we used a complete vestibular test battery and investigated the relationship between the Dizziness Handicap Inventory (DHI) and vestibular functions before and after CI. [5] The video head impulse test (vHIT) was used for all three semicircular canals (SCCs), and the cervical vestibular-evoked myogenic potential (cVEMP) was used for saccule function and the ocular vestibular-evoked myogenic potential (oVEMP) for utricle function. In addition, the DHI was used to evaluate subjective vertigo symptoms.…”

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confidence: 99%

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Which approach is better for the protection of vestibular receptors in cochlear implant surgery: Round window or standard cochleostomy?

Dagkiran¹

2020

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Objectives: This study aims to compare electrode insertion techniques in cochlear implantation (CI) as the standard cochleostomy approach (SCA) versus the round window approach (RWA) on five vestibular end-organ functions and vertigo in the pre-and postoperative period. Patients and Methods: In total, 51 patients (22 males, 29 females; mean age 38.2 years; range 16 to 70 years) with normal vestibular function and operated with single-sided CI were included in this study between January 2015 and December 2019. Of the patients, 30 were operated with the RWA and 21 with the SCA. All of the patients were evaluated with the Dizziness Handicap Inventory (DHI) and a complete vestibular test battery including the video head impulse test (vHIT), cervical vestibular-evoked myogenic potential (cVEMP), and ocular vestibular-evoked myogenic potential (oVEMP) at one week preoperatively and one month postoperatively. Results: Patients in the RWA group had a statistically significantly better protected vestibular functions and fewer subjective vertigo symptoms in the postoperative period (p<0.05). Deterioration in at least one of the five vestibular end-organ functions was observed in eight of 21 patients (38.09%) in the SCA group, compared to three of 30 (10%) in the RWA group. A significant correlation was detected between the vestibular tests and DHI in both groups (r=0.686, p=0.001 in the SCA group and r=0.630, p<0.001 in the RWA group). Conclusion: Our study results suggest that RWA for CI may minimize damage to vestibular receptor functions and vertigo symptoms than SCA.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Which approach is better for the protection of vestibular receptors in cochlear implant surgery: Round window or standard cochleostomy?

Dagkiran¹

2020

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“…Much research has been done comparing vestibular function after cochlear implantation surgery, looking for differences in surgical techniques and approaches (particularly, cochleostomy versus the round window approach) [ 11 – 23 ].…”

Section: Discussionmentioning

confidence: 99%

“…Many papers have already been devoted to the assessment of vestibular function after cochlear implantation using either cochleostomy or the round window approach. They report a big discrepancy in the incidence of postoperative vestibular tests deterioration: 31.25–86.00% cVEMPs, 6.25–50.00% caloric tests in cochleostomy and 0.00–76.47% cVEMPs, 4.70–36.84% oVEMPs, 0.00–93.10% caloric tests in round window approach [ 11 – 23 ].…”

Section: Introductionmentioning

confidence: 99%

Effect on vestibular function of cochlear implantation by partial deafness treatment–electro acoustic stimulation (PDT–EAS)

Sosna

Tacikowska

Pietrasik

et al. 2019

Eur Arch Otorhinolaryngol

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Purpose Although the cochlear implantation procedure does not interfere with vestibular structures directly, both the vestibulum and the cochlea share the same inner ear fluid space, and this fluid may be responsible for transferring possibly damaging forces from one to the other. The purpose of the study is to assess postoperative vestibular function after partial deafness treatment–electro-acoustic stimulation (PDT–EAS) cochlear implantation. Methods Fifty-five patients were included in the study (30 females, 25 males, age 11–80, mean 41.8 ± 19.35). cVEMP and oVEMP were performed preoperatively and 1–3 months after cochlear implantation. Caloric and vHIT tests were conducted preoperatively and 4–6 months after cochlear implantation. Results Our study shows that, based on a wide range of electrodes, use of PDT–EAS is protective in terms of preserving vestibular function. It gives a rate of saccular damage of 15.79%, utricular damage of 19.04%, and a horizontal semicircular canal response reduction of 15.79%. Conclusions PDT–EAS is protective in terms of preserving vestibular function. Nevertheless, it should be emphasized that the risk of vestibular damage cannot be totally eliminated even when hearing preservation techniques are adopted.

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Dizziness in Other Medical Condition

Ernst,

Basta,

Jahn

2024

Vestibular Therapy and Rehabilitation

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How does cochlear implantation affect five vestibular end-organ functions and dizziness?

Cited by 26 publications

References 30 publications

Which approach is better for the protection of vestibular receptors in cochlear implant surgery: Round window or standard cochleostomy?

Which approach is better for the protection of vestibular receptors in cochlear implant surgery: Round window or standard cochleostomy?

Effect on vestibular function of cochlear implantation by partial deafness treatment–electro acoustic stimulation (PDT–EAS)

Dizziness in Other Medical Condition

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