Ji F, Wang Q, Chen A T, Hong M D, Li J N, Zhao H, Yang S M
Department of Otorhinolaryngology Head and Neck Surgery, Chinese People's Liberation Army Institute of Otolaryngology, Chinese People's Liberation Army General Hospital, Beijing Key Laboratory of Hearing Impairment Prevention and Treatment, Key Laboratory of Hearing Impairment Science (Chinese PLA Medical School), Ministry of Education, Beijing 100853, China.
Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2018 Mar 7;53(3):196-202. doi: 10.3760/cma.j.issn.1673-0860.2018.03.006.
To study an effects on hearing ability and speech performance of the patients with auditory neuropathy (AN) after cochlear implantation (CI). Thirty-five AN patients (26 males and 9 females) after CI in our center since 2007 were chosen, including 5 postlingual patients (implanted age from 14.3 to 38.6 years old) and 30 prelingual patients (implanted age from 1.1 to 13.7 years old). Hearing sensitivity and speech performance were estimated via following methods: (1) implanted hearing thresholds by sound field audiometry; (2) speech audiometry, including monosyllable, disyllable and sentences recognition test by computer-controlled software and sentence recognition test under noise condition (signal to noise ratio=+ 10dB); (3) Mandarin Early Speech Perception test (MESP), Mandarin Pediatric Speech Intelligibility test (MPSI), MAIS, or IT-MAIS for prelingual AN implantees. The average implanted hearing threshold (250-4 000 Hz) was (41.1±11.7) dBHL in 22 AN implantees, while those prelingual implantees was (39.1±10.9) dBHL, and (44.9±12.3) dBHL in postlingual implantees. Speech audiometry were implemented in four of 5 postlingual AN implantees, the results showed increasing tendency in monosyllable recognition scores, dramatic individual variation in computer-controlled disyllable and sentences recognition test, and poor scores (<30%) in speech recognition test in noise condition. Four of 30 prelingual implantees reconstruct their speech recognition ability within 1-3 years after switch-on, characterized as recognition scores (>60%) in monosyllable, disyllable and sentences. The one of prelingual implantee gained recognition scores of speech in noise within 1 year after switch-on. MAIS or IT-MAIS were implemented in twenty-five prelingual implantees, the average score in these patients was 28.6±11.7. Cochlear implant can improve the hearing thresholds of AN patients, however, the improvement in speech performance presented significant variations among the implanted individuals.
研究人工耳蜗植入（CI）后听觉神经病（AN）患者的听力及言语表现。选取2007年以来在本中心接受CI的35例AN患者（男26例，女9例），其中5例为语后聋患者（植入年龄14.3至38.6岁），30例为语前聋患者（植入年龄1.1至13.7岁）。通过以下方法评估听力敏感度及言语表现：（1）声场测听法测定植入后听力阈值；（2）言语测听，包括计算机控制软件进行的单音节、双音节及句子识别测试以及噪声环境下（信噪比=+10dB）的句子识别测试；（3）语前聋AN植入者采用普通话早期言语感知测试（MESP）、普通话儿童言语清晰度测试（MPSI）、MAIS或IT-MAIS。22例AN植入者的平均植入后听力阈值（250 - 4000Hz）为（41.1±11.7）dBHL，语前聋植入者为（39.1±10.9）dBHL，语后聋植入者为（44.9±12.3）dBHL。5例语后聋AN植入者中的4例进行了言语测听，结果显示单音节识别分数呈上升趋势，计算机控制的双音节及句子识别测试个体差异显著，噪声环境下言语识别测试分数较低（<30%）。30例语前聋植入者中的4例在开机后1至3年内重建了言语识别能力，表现为单音节、双音节及句子的识别分数（>60%）。1例语前聋植入者在开机后1年内获得了噪声环境下的言语识别分数。25例语前聋植入者采用了MAIS或IT-MAIS，这些患者的平均分数为28.6±11.7。人工耳蜗可提高AN患者的听力阈值，然而，植入个体的言语表现改善存在显著差异。
