Abstract：
BACKGROUND: In this study we investigated the effect of cochlear implantation on tinnitus in patients with post lingual bilateral profound hearing loss.
METHODS: In this retrospective study, 66 post-lingual deaf patients over 18 years old who referred for cochlear implantation and complained of tinnitus were included. Patients were divided into two groups with residual hearing (in frequency 250-500 Hz) and without residual hearing. All data including age, gender, type of implants, type of surgery, cause of the disease, and information on the THI score before cochlear implantation, one month after cochlear implantation and one year after cochlear implantation was recorded and analyzed.
RESULTS: Nine patients had residual hearing, while 57 patients did not. After one month and one year, in both groups, the mean THI score has decreased significantly (p-value = 0.001), but there was no significant difference in the mean THI score before surgery and one month and one year after surgery between two groups with and without residual hearing. There was no significant difference in tinnitus severity according to THI-grade between two groups. Also there was no significant difference in THI score and the cause of the hearing loss, type and insertion method of implantation, one month and one year after the surgery between two groups.
CONCLUSIONS: According to our results, the was no significant correlation between residual hearing and tinnitus score before surgery, one month and one year after the surgery.
METHODS: In this retrospective study, 66 post-lingual deaf patients over 18 years old who referred for cochlear implantation and complained of tinnitus were included. Patients were divided into two groups with residual hearing (in frequency 250-500 Hz) and without residual hearing. All data including age, gender, type of implants, type of surgery, cause of the disease, and information on the THI score before cochlear implantation, one month after cochlear implantation and one year after cochlear implantation was recorded and analyzed.
RESULTS: Nine patients had residual hearing, while 57 patients did not. After one month and one year, in both groups, the mean THI score has decreased significantly (p-value = 0.001), but there was no significant difference in the mean THI score before surgery and one month and one year after surgery between two groups with and without residual hearing. There was no significant difference in tinnitus severity according to THI-grade between two groups. Also there was no significant difference in THI score and the cause of the hearing loss, type and insertion method of implantation, one month and one year after the surgery between two groups.
CONCLUSIONS: According to our results, the was no significant correlation between residual hearing and tinnitus score before surgery, one month and one year after the surgery.
摘要：
背景：在这项研究中，我们调查了人工耳蜗植入对舌后双侧深度听力损失患者耳鸣的影响。
方法：在这项回顾性研究中，包括66名18岁以上的舌后聋人患者，他们转诊人工耳蜗植入并抱怨耳鸣。将患者分为有残余听力（频率为250-500Hz）和没有残余听力的两组。所有数据包括年龄,性别,植入物的类型，手术类型,疾病的原因，以及人工耳蜗植入前THI评分的信息，记录并分析人工耳蜗植入后1个月和人工耳蜗植入后1年。
结果：9例患者有残余听力，而57名患者没有。一个月和一年后，在这两组中，平均THI评分显著下降(p值=0.001)，但术前和术后1个月和1年的平均THI评分在有和无残余听力的两组之间没有显著差异.根据THI等级，两组之间的耳鸣严重程度没有显着差异。此外，THI评分和听力损失的原因也没有显着差异，植入的类型和插入方法，两组术后1个月和1年。
结论：根据我们的结果，残余听力与术前耳鸣评分无显著相关性,手术后一个月一年.
方法：在这项回顾性研究中，包括66名18岁以上的舌后聋人患者，他们转诊人工耳蜗植入并抱怨耳鸣。将患者分为有残余听力（频率为250-500Hz）和没有残余听力的两组。所有数据包括年龄,性别,植入物的类型，手术类型,疾病的原因，以及人工耳蜗植入前THI评分的信息，记录并分析人工耳蜗植入后1个月和人工耳蜗植入后1年。
结果：9例患者有残余听力，而57名患者没有。一个月和一年后，在这两组中，平均THI评分显著下降(p值=0.001)，但术前和术后1个月和1年的平均THI评分在有和无残余听力的两组之间没有显著差异.根据THI等级，两组之间的耳鸣严重程度没有显着差异。此外，THI评分和听力损失的原因也没有显着差异，植入的类型和插入方法，两组术后1个月和1年。
结论：根据我们的结果，残余听力与术前耳鸣评分无显著相关性,手术后一个月一年.
