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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
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.
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.
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