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引用次数: 0
摘要
目标： 患者可获得的动态范围（DR）是确定安静环境下语言清晰度的核心参数：患者可用的动态范围（DR）是确定安静环境下语音清晰度的核心参数：在这项回顾性研究中，使用患者的现场阈值和植入系统的技术数据计算了植入 Vibrant Soundbridge 的患者的 DR。不同频率（0.5、1、2、4 kHz）的平均DR与患者在安静状态下的指定单词识别分数（WRS）相关联：研究样本：对 60 名年龄在 14.3-81.8 岁之间的植入患者的 66 个病例（4 个双侧病例和 2 个修正病例）的数据集进行了分析：结果：DR 和 WRS 之间的关系用一个曲线增长函数来描述，R2=0.6371，最大 WRS（上渐近线）为 93.5%。随着 DR 的增加，安静状态下的单词识别得分也有所提高。从 DR bin 2（10-20 dB，WRS 中位数 55%）到 bin 3（20-30 dB，WRS 中位数 80%）以及从 DR bin 4（30-40 dB，WRS 中位数 82.5%）到 bin 5（40-50 dB，WRS 中位数 90%），可以发现成绩发生了明显的变化：结论：最小 DR 值为 20 dB 可以使植入患者在安静时获得足够的语言清晰度，但最佳 DR 值建议为 40 dB。
An easy method to determine crucial AMEI performance parameters from clinical routine data in individuals - Part 2: dynamic range.
Objective: The dynamic range (DR) available to the patient is a central parameter to determine speech intelligibility in quiet.
Design: In this retrospective study, the DR for the Vibrant Soundbridge implanted in individual patients was calculated using in situ thresholds of the patients and technical data of the implant system. The average DR across frequencies (0.5, 1, 2, 4 kHz) was correlated with the patients' assigned word recognition score (WRS) in quiet.
Study sample: A data set of 66 cases (4 bilateral and 2 revised cases) from 60 implanted patients between 14.3-81.8 years were analysed.
Results: The relationship between DR and WRS was described by a sigmoidal growth function with R2=0.6371 and a maximum WRS (upper asymptote) of 93.5%. Word recognition scores in quiet improved with increasing DR. A significant shift in performance was detected from DR bin 2 (10-20 dB, median WRS 55%) to bin 3 (20-30 dB, median WRS 80%) and from DR bin 4 (30-40 dB, median WRS 82.5%) to bin 5 (40-50 dB, median WRS 90%).
Conclusion: A minimum DR of 20 dB can yield sufficient speech intelligibility in quiet in implanted patients, however, an optimum DR is suggested to be 40 dB.
期刊介绍：
International Journal of Audiology is committed to furthering development of a scientifically robust evidence base for audiology. The journal is published by the British Society of Audiology, the International Society of Audiology and the Nordic Audiological Society.
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