Objective: To investigate the clinical characteristics of subjective tinnitus and the curative effect of sound therapy on subjective tinnitus with different frequency. Methods: A total of 104 patients with subjective tinnitus (disease lasting for more than 3 months or not reponsive to drug treatment for more than 3 months) were recruited for the study. Each patient received questionaire, including detailed medical historty, completed questionnaires (THI, PSQI, PHQ-9 and GAD-7), special examination, audiological examination,psychoacoustic characteristics of tinnitus inspection and sound therapy. Results: 50 cases were male (48.08%) and 54 cases female (51.92%). The age distribution of patients with subjective tinnitus was as follows:<20 years old 1 cases (0.96%),20-29 years old 10 cases (9.62%), 30-39 years old 15 cases (14.42%), 40-49 years old 23 cases (22.11%), 50-59 years old 25 cases (24.04%), 60-69 years old 18 cases (17.31%), 70-79 years old 12 cases (11.54%). Most of the case were middle-aged (40 to 59 years old), accounting for 46.15%. There was no significant difference in the distribution of male and female between different age groups (P>0.05). 3.85% of the patients had serious sleep disorder, 58.65% of the patients had different degrees of depression and 46.15% of the patients had different degrees of anxiety. The distribution of different frequency of tinnitus was as follows:low frequency (<1 kHz) 33 cases (31.73%), intermediate frequency (1 kHz-4 kHz) 17 cases (16.35%), high frequency (≥ 4 kHz) 54 cases (51.92%). The total effective rate of sound therapy was 96.15% in 104 patients with subjective tinnitus. The ffective rate for subjective tinnitus with low frequency was 96.97%, that with intermediate frequency 94.12% and that with high frequency 96.30%. There was no statistical significance in the curative effect of the three groups of subjective tinnitus (P>0.05). Conclusion: There was a roughly equal proporition of male and female patients with subjective tinnitus.There was a correlation between tinnitus and age, namely a high possibility of tinnitus was found in middle-aged people. Non auditory problems were common in patients with tinnitus. High frequency tinnitus was the most common in subjective tinnitus, secondly low frequency tinnitus, lastly intermediate frequency. Sound therapy can be applied to subjective tinnitus with different frequency. |
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