Objective To provide clinic data to study the pathogenesis of tinnitus and the incidence and correlation of tinnitus and hearing loss with different diseases. Methods The clinic investigation was conducted for 376 hearing loss with different diseases consisting of 120 cases of sudden deafness, 21 cases of Meniere diseases, 10 cases of noise deafness, 10 cases of presbycusis, 70 cases of unknown causes sensorineural deafness, 70 cases of suppurative otitis media, 45 cases of secretory otitis media, 10 cases of otosclerosis, 2 cases of ossicular chain malformations, 4 cases of traumatic tympanic membrane perforation, 4 cases of external auditory canal cholesteatoma, 10 cases of impacted cerumen. Each patient was interviewed in detail regarding tinnitus onset and the degree of correlation about tinnitus and hearing loss was determined for the time and location. Results In 376 cases of deafness, the incidence of tinnitus are 51.3％ ,and the incidence of tinnitus related deafness is 43.6％. The incidence of tinnitus is different in different diseases: sudden deafness and Meniere's disease are higher 90％, 85.7％ respectively, while noise deafness may also be higher. The other diseases are very lower with an average of 13.3％. Conclusion No tinnitus has been noted in more than half of deaf cases, further research is warranted.%目的 对不同疾病致聋患者耳鸣的发生率及耳鸣与所患耳疾的有关与否进行调查,为进一步研究耳鸣的发病机理提供临床资料.方法 对376例不同原因导致的耳聋患者进行临床调查,包括突发性聋120例,梅尼埃病21例,噪声性聋10例,老年性聋10例,不明原因感音神经性聋70例,化脓性中耳炎70例,分泌性中耳炎45例,耳硬化10例,听骨链畸形2例,外伤性鼓膜穿孔4例,外耳道胆脂瘤4例,耵聍栓塞10例.对每例患者详细询问是否出现耳鸣,并根据耳鸣与耳聋发生的时间先后及部位等判定二者的相关程度.结果 376例耳聋患者中与所患耳疾有关的耳鸣发生率为43.62%.不同疾病其耳鸣的发生率有很大的差异,突发性聋、梅尼埃病患者与耳聋有关的耳鸣发生率较高(分别为90%、85.71%),噪声性聋患者与耳聋有关的耳鸣发生率也较高(80%),而其它以传导性聋为主的疾病及缓慢起病的原因不明感音神经性聋患者其耳鸣的发生率均很低,平均为13.33%.结论 超过一半耳聋患者听觉系统存在明显病变却并未出现耳鸣,本组患者中与耳聋有关的耳鸣发生率由高到低分别为突发性聋、梅尼埃病、噪声性聋、传导性聋及其他.
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