Chen Ping, Su Jiping, Cai Hongwu, Zheng Minghua, Huang Donghong
Department of Otorhinolaryngology, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China.
Lin Chuang Er Bi Yan Hou Ke Za Zhi. 2004 Oct;18(10):593-5.
To characterize the audiometric results of 1/2 octave frequency pure-tone audiometry in tinnitus patients with normal threshold on octave pure-tone audiometry and determine its clinical significance.
Eighty-two tinnitus patients (140 ears) with normal pure-tone threshold on octave audiometry were examined by using 1/2 octave frequency pure tone audiometry. Thirty normal subjects (60 ears) served as the control.
Fifty-two ears (37.14%) were mainly hearing loss in high frequency in the tinnitus patients, which closely coincides with the frequency of tinnitus. The hearing loss was slight in most of the tinnitus patients, and the intensity of tinnitus was not related to the degree of hearing loss.
1/2 octave frequency pure tone audiometry can offer the early and direct evidences of hearing loss for the tinnitus patients with normal threshold on octave pure tone audiometry, and it is of value for this method in detecting early cochlear lesions.
对倍频程纯音听力测试阈值正常的耳鸣患者进行1/2倍频程纯音听力测试，分析其听力结果特征并探讨其临床意义。
对82例（140耳）倍频程纯音听力测试阈值正常的耳鸣患者进行1/2倍频程纯音听力测试，以30例正常受试者（60耳）作为对照。
耳鸣患者中52耳（37.14%）主要表现为高频听力损失，且与耳鸣频率密切相关。多数耳鸣患者听力损失程度较轻，耳鸣强度与听力损失程度无关。
1/2倍频程纯音听力测试可为倍频程纯音听力测试阈值正常的耳鸣患者提供听力损失的早期直接证据，对早期发现耳蜗病变具有重要价值。
