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目的:探讨语后聋患者人工耳蜗植入的手术适应证及人工耳蜗在语后聋患者言语康复和社会活动中的作用。方法:5例语后聋患者手术年龄为19~58岁(中位年龄26岁)。5例患者均手术植入Cochlear 24R人工耳蜗。术后4周开机,随访1年,调查采用听觉行为分级标准(CAP)和言语识别率分级标准(SIR),由1名研究者完成随访,随访涉及听力水平、言语交流能力2个方面的内容。结果:5例患者术后1年0.5、1.0、2.0、4.0 kHz助听听阈均在25~45 dB;CAP平均3.4,SIR平均2.4。2例患者言语分辨能力及情感交流能力无明显提高,其余3例患者交流能力均有不同程度提高。结论:对于不同原因所致的语后聋患者,正确选择手术适应证,均能使之从人工耳蜗植入术中不同程度获益,提高其独立生活能力及自信心。
Objective: To investigate the surgical indications of cochlear implants in post-deaf patients and the role of cochlear implants in speech rehabilitation and social activities in patients with deafness. Methods: Five patients with deafness were operated from 19 to 58 years (median age 26 years). All 5 patients were surgically implanted with Cochlear 24R cochlear implants. The patients were switched on for 4 weeks and followed up for 1 year. The CAP and speech recognition rate (SIR) were used for follow-up. Follow-up consisted of two aspects: listening comprehension and verbal communication ability . Results: The hearing aids of 0.5, 1.0, 2.0 and 4.0 kHz were 25 ~ 45 dB at 1 year postoperatively in all 5 patients. The average CAP was 3.4 and the average SIR was 2.4.2. The speech resolution and affective communication ability of the 5 patients were not significantly improved. 3 patients had different levels of communication ability to improve. CONCLUSION: For patients with post-speech deafness caused by different reasons, the correct choice of surgical indications can benefit from different degrees of cochlear implant surgery to improve their independent living ability and self-confidence.