Short-term hearing aid benefit in a large group.

Peter J Ivory, Bryan L Hendricks, Dennis Van Vliet, Cynthia M Beyer, Harvey B Abrams
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Abstract

Short-term benefit in a very large group (N = 4,584) following hearing aid treatment was estimated using a revised version of the Self-Assessment of Communication (SAC-Hx). A total of 4,584 veterans with adult-onset hearing loss and mean audiometric findings consistent with a mild to severe, sloping, symmetrical, sensorineural hearing impairment were fitted with hearing aids. Responses to the SAC-Hx were gathered prior to and then 6 weeks following hearing aid fitting. Benefit was defined as the difference between the baseline and the posttreatment SAC-Hx scores. Hearing aid treatment resulted in robust and statistically significant benefit in each category of self-perceived communication consequences. Prior experience influenced benefit: New hearing aid users demonstrated the greatest magnitude of benefit, but even previously satisfied and dissatisfied users obtained significant benefit after new hearing aid fitting. Duration of experience did not have a remarkable effect on the magnitude of benefit: All groups with various durations of experience obtained comparable benefit. Severity of the baseline scores paralleled degree of hearing impairment when impairment was defined using a better ear pure tone average at 1,000, 2,000, 3,000, and 4,000 Hz. Also, severity of perceived communication consequences paralleled poorer monosyllabic word recognition. Hearing aid treatment provided a functional, robust, and statistically significant benefit to individuals in all categories of hearing impairment (normal, mild, moderate, severe, and profound). This report demonstrates the feasibility of the SAC-Hx as a tool to efficiently assess outcome domains in hearing aid fitting.

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大群体短期助听器受益。
我们使用修订版的 "沟通自我评估"(SAC-Hx)估算了一大批退伍军人(4584 人)在接受助听器治疗后的短期受益情况。共有 4584 名退伍军人患有成人听力损失,平均听力测定结果为轻度至重度、倾斜、对称、感音神经性听力损伤,他们都配戴了助听器。在助听器验配前和验配 6 周后,对 SAC-Hx 的反应进行了收集。疗效定义为基线与治疗后 SAC-Hx 分数之间的差异。助听器治疗在每一类自我感知的沟通后果方面都带来了显著的、具有统计学意义的益处。先前经验对获益的影响:新助听器用户获益最大,但即使是先前满意和不满意的用户,在新助听器验配后也能获得显著获益。使用助听器的时间长短对受益程度的影响并不明显:所有使用助听器时间长短不同的群体都获得了类似的受益。基线分数的严重程度与听力受损程度相当,听力受损程度是用 1000、2000、3000 和 4000 赫兹的较好耳纯音平均值来定义的。此外,感知到的交流后果的严重程度与单音节词识别能力较差的程度相当。助听器治疗为所有听力障碍类别(正常、轻度、中度、重度和极重度)的人提供了功能性的、稳健的和统计学意义上的显著益处。本报告证明了 SAC-Hx 作为有效评估助听器验配结果领域的工具的可行性。
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来源期刊
Trends in Amplification
Trends in Amplification AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-OTORHINOLARYNGOLOGY
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