ORIGINAL RESEARCH
Static and Dynamic Equilibrium and Postural Control in Adults with Cochlear Implants
Koklear İmplantlı Erişkinlerde Statik ve Dinamik Denge ve Postüral Kontrol
Received Date : 05 May 2022
Accepted Date : 28 Jun 2022
Available Online : 02 Aug 2022
Hatice Kübra BOZKURTa, Mehmet YARALIa, Songül AKSOYa
aDepartment of Audiology, Hacettepe University Faculty of Health Sciences, Ankara, Türkiye
Doi: 10.24179/kbbbbc.2022-91142 - Makale Dili: EN
KBB ve BBC Dergisi. 2022;30(4):207-15
Copyright © 2020 by Turkey Association of Society of Ear Nose Throat and Head Neck Surgery. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
ABSTRACT
Objective: Cochlear implantation is associated with vestibular
impairment due to the close proximity of vestibular structures.
This study aimed to explore the postural control of unilateral cochlear
implant (CI) users compared to participants without hearing loss. Material
and Methods: Twenty unilateral CI users and 20 healthy individuals
with normal hearing were included in the study. Static
posturography test (Modified Clinical Test of Sensory Interaction in
Balance, Limits of Stability Test, Rhythmic Weight Shift Test, Weight
Bearing Squat Test, Unilateral Stance Test, Sit To Stand Test, Walk
Across Test, Tandem Walk Test, Step Quick Turn Test, Step Up Over
Test and Forward Lunge Test), which includes both static and dynamic
balance parameters, was applied to the participants. In order to assess
subjective balance, Berg Balance Scale, Dizziness Handicap
Inventory and Vestibular Disorders Activities of Daily Living Scale
were used. Results: Results of objective and subjective tests of postural
control were significantly weaker in CI users compared to control
group (p<0.05). Results of different tests revealed that CI users are negatively
effected in static and dynamic components of postural control.
Conclusion: As the results show that CI users performed worse than
control group on the subjective and objective balance parameters, exploration
of standing balance is important in CI users.
Keywords: Balance; cochlear implant; posturography; vestibular function
ÖZET
Amaç: Koklear implantasyon (KI), vestibüler yapılara yakınlığı
nedeniyle vestibüler bozukluk ile ilişkilendirilir. Bu çalışma, tek taraflı
KI kullanıcılarının, işitme kaybı olmayan katılımcılarla postüral kontrolünü
karşılaştırmayı amaçladı. Gereç ve Yöntemler: Yirmi tek
taraflı KI kullanıcısı ve normal işiten 20 sağlıklı birey çalışmaya dâhil
edildi. Katılımcılara hem statik hem de dinamik denge parametrelerini
içeren statik posturografi testi (Modifiye Denge Duyu İnteraksiyonu
Klinik Testi, Stabilite Sınırları Testi, Ritmik Ağırlık Aktarma Testi,
Ağırlık Aktarma Çömelme Testi, Tek Taraflı Duruş Testi, Otur Kalk
Testi, Düz Yürüme Test, Tandem Yürüyüş Test, Adım Hızlı Dönme
Testi, Adım Yukarı Aşağı Testi, Öne Hamle Testi) uygulandı. Subjektif
dengeyi değerlendirmek için Berg Denge Ölçeği, Baş Dönmesi Engellilik
Envanteri ve Vestibüler Bozukluklarda Günlük Yaşam
Aktiviteleri Ölçeği kullanıldı. Bulgular: KI kullanıcılarında postüral
kontrolün objektif ve subjektif testlerinin sonuçları, sağlıklı bireylere
kıyasla önemli ölçüde daha zayıftı (p<0,05). Bu testlerin sonuçları, KI
kullanıcıların da postüral kontrolün statik ve dinamik bileşenlerinden
olumsuz etkilendiğini ortaya koydu. Sonuç: Çalışmada, KI
kullanıcılarının subjektif ve objektif denge parametrelerinde kontrol
grubundan daha kötü performans göstermesi, KI kullanıcılarında ayakta
dengenin araştırılmasını önemli kılmaktadır.
Anahtar Kelimeler: Denge; koklear implant; posturografi; vestibüler fonksiyon
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