Alberti P W, Hyde M L, Riko K
Department of Otolaryngology, University of Toronto, Ontario, Canada.
J Otolaryngol. 1987 Dec;16(6):362-6.
Overestimation of hearing loss is a significant problem in the assessment of workers exposed to industrial noise. Audiometric and epidemiologic aspects of this problem are examined in 2,528 compensation claimants. Electric Response Audiometry (ERA) using the cortical Slow Vertex Response (SVR) is accurate and very useful for quantification of true hearing levels. Based on this technique, 8% of claimants were shown to have volunteered excessively high behavioral thresholds. Using the term "exaggerated hearing loss" (EHL) as an umbrella for this phenomenon, true thresholds of EHL and non-EHL groups were identical. Several demographic and occupational factors appear to be associated with EHL. The performance of various audiometric rules for EHL prediction was highly dependent on the criteria adopted; all rules were better than chance, though none was impressive. Clinical acumen and ERA both play a vital part in accurate assessment of the compensation claimant.
在对暴露于工业噪声的工人进行评估时，听力损失的高估是一个重大问题。在2528名索赔者中研究了该问题的听力测定和流行病学方面。使用皮层慢顶点反应（SVR）的电反应测听法（ERA）准确且对于量化真实听力水平非常有用。基于该技术，8%的索赔者表现出自愿报出过高的行为阈值。使用“夸大性听力损失”（EHL）一词来概括这一现象，EHL组和非EHL组的真实阈值是相同的。一些人口统计学和职业因素似乎与EHL有关。各种用于预测EHL的听力测定规则的表现高度依赖于所采用的标准；所有规则都优于随机猜测，但都不令人印象深刻。临床敏锐度和ERA在对索赔者的准确评估中都起着至关重要的作用。
