Evran Nihal, Arslan Gulcin Hancer, Arslan Murat, Guven Selis Gulseven, Koder Ahmet, Bulut Erdogan
Department of Audiology, Institute of Health Sciences Trakya University Edirne Turkey.
Trakya University, Vocational School of Health Services Audiometry Program Edirne Turkey.
Laryngoscope Investig Otolaryngol. 2025 Sep 17;10(5):e70253. doi: 10.1002/lio2.70253. eCollection 2025 Oct.
This study aimed to investigate balance system modifications under different conditions using cervical Vestibular Evoked Myogenic Potentials (c-VEMP) testing. Specifically, we examined vestibular compensation mechanisms in various dynamic balance positions through evoked potential analysis.
The study conducted c-VEMP test repetitions on 45 healthy subjects under different conditions. Participants underwent comprehensive otoscopic examination and hearing and balance assessments, with only those demonstrating normal hearing included in the analysis. c-VEMP testing was performed under three distinct conditions: condition 1 (standing on a flat surface with eyes open), condition 2 (standing on a flat surface with eyes closed), and condition 3 (standing on a FoamPad with eyes open). The analysis evaluated P1-N1 latencies and amplitudes in c-VEMP responses, with subsequent statistical analysis of the collected data.
Analysis revealed statistically significant differences in P1-N1 amplitudes and latencies in left ears when comparing conditions 1 and 2 ( < 0.01). Right ears demonstrated significant differences only in amplitudes between conditions 1 and 2 ( < 0.01). Comparison of conditions 2 and 3 yielded statistically significant differences in P1-N1 amplitudes and latencies for left ears ( < 0.01), while right ears showed significant differences in amplitudes and N1 latency only ( < 0.01). No significant differences were observed in either ear when comparing conditions 1 and 3 ( > 0.05).
Our findings suggest that while the vestibular system is fundamental, visual input plays a more substantial role in balance maintenance compared to proprioceptive input.
本研究旨在使用颈前庭诱发肌源性电位（c-VEMP）测试来研究不同条件下的平衡系统变化。具体而言，我们通过诱发电位分析来检查各种动态平衡位置下的前庭补偿机制。
该研究在45名健康受试者的不同条件下进行了c-VEMP测试重复。参与者接受了全面的耳镜检查以及听力和平衡评估，仅将那些听力正常的受试者纳入分析。c-VEMP测试在三种不同条件下进行：条件1（睁眼站在平面上）、条件2（闭眼站在平面上）和条件3（睁眼站在泡沫垫上）。分析评估了c-VEMP反应中的P1-N1潜伏期和振幅，并对收集的数据进行了后续统计分析。
分析显示，在比较条件1和条件2时，左耳的P1-N1振幅和潜伏期存在统计学显著差异（<0.01）。右耳仅在条件1和条件2之间的振幅上显示出显著差异（<0.01）。比较条件2和条件3时，左耳的P1-N1振幅和潜伏期存在统计学显著差异（<0.01），而右耳仅在振幅和N1潜伏期上显示出显著差异（<0.01）。在比较条件1和条件3时，双耳均未观察到显著差异（>0.05）。
我们的研究结果表明，虽然前庭系统是基础，但与本体感觉输入相比，视觉输入在维持平衡方面发挥着更重要的作用。
3级。
