Real-ear Unaided Gain in Wrestlers with Unilateral Cauliflower Ear

IF 0.4 Q4 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Auditory and Vestibular Research Pub Date : 2023-03-12 DOI:10.18502/avr.v32i2.12187

Kamal Pahlavan Yali, Mohammad Maarefvand

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Abstract

Background and Aim: Real-Ear Unaided Gain(REUG) can reveal the outer-ear resonance which reflects the effects of body and ear factors. Deformity in the outer ear may change the real-ear unaided responses. Cauliflower ear is a common ear deformity in wrestlers. Therefore, the use of required hearing aid gain in people with hearing loss for people with cauliflower ears may be inaccurate and causes dissatisfaction. This study aimed to compare the REUG of normal and cauliflower ear in wrestlers to investigate the frequencies at which the gain may be inaccurate. Methods: Ten male wrestlers with the age ranged from 21 to 31 years participated in this study. The study had within-subject design and only one group. The REUGs was recorded for both ears (normal and cauliflower ears) and the results analyzed. Results: The mean of REUG values were significantly different between the deformed and normal ears. There were two distinct peaks in the REUG curve of the deformed ear, while there was a single peak in that of the normal ear. Conclusion: The differences in the REUG at 2–6 kHz between the deformed and normal ears should be adjusted to reach the optimal hearing level for a hearing aid user with cauliflower ear. Keywords: Cauliflower ear; real ear unaided gain; hearing aid verification; target gain

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具有单侧花椰菜耳朵的摔跤运动员的真实耳朵独立增益

背景与目的：真实耳无偏增益（REUG）可以揭示外耳道共振，反映身体和耳朵因素的影响。外耳畸形可能会改变真实的耳朵自主反应。花椰菜耳朵是摔跤运动员常见的耳朵畸形。因此，花椰菜耳朵的听力损失患者使用所需的助听器增益可能不准确，并引起不满。本研究旨在比较摔跤运动员正常耳朵和花椰菜耳朵的REUG，以研究增益可能不准确的频率。方法：10名年龄在21～31岁之间的男性摔跤运动员参加本研究。这项研究采用了学科内部设计，只有一组。记录两只耳朵（正常耳朵和花椰菜耳朵）的REUGs，并对结果进行分析。结果：畸形耳和正常耳的REUG平均值有显著差异。变形耳的REUG曲线有两个明显的峰值，而正常耳的REUG曲线只有一个峰值。结论：变形耳和正常耳在2–6 kHz下的REUG差异应进行调整，以达到花椰菜耳助听器使用者的最佳听力水平。关键词：花椰菜果穗；实际耳朵独立增益；助听器验证；目标增益

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