The analysis of masking therapy in the early stage of the patients with noise-induced tinnitus
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摘要: 目的:观察耳鸣掩蔽疗法在早期噪声性听力损失伴耳鸣患者中的掩蔽效果,为临床该类耳鸣患者的治疗提供依据。方法:对68例早期噪声性听力损失伴耳鸣患者进行常规听力学检查和耳鸣检测,所有患者掩蔽治疗6个月后对其疗效进行比较分析。疗效评估采用耳鸣残疾评估量表及主观视觉模拟量表,测试比较其治疗前后的最小掩蔽声大小。结果:耳鸣检测结果显示该类患者的耳鸣主频绝大部分(59例,86.8%)为4 kHz,残余抑制试验完全阳性者居多(44例,64.7%),掩蔽治疗效果好,有效率达83.8%,其中3例耳鸣完全消失;治疗前后耳鸣残疾评估量表得分、主观视觉模拟量表得分和最小掩蔽声大小比较均差异有统计学意义(均P<0.01)。结论:早期噪声性听力损失伴耳鸣患者的掩蔽治疗效果显著,值得推广。Abstract: Objective: To explore the effect of masking therapy for the early stage of the patients with noise-induced tinnitus,and imply the treatment for patients with noise-induced tinnitus.Method: Sixty-eight cases with tinnitus were studied. All the patients took the audiological examinations and tinnitus tests firstly, and accepted the masking therapy for 6 months. The therapeutic effiency was evaluated according to tinnitus handicap inventory (THI) and subjective visual-analogue scale (VAS).The minimum masking intensity was also evaluated.Result: The majority of the patients with noise-induced tinnitus (59 cases, 86.8%) had tinnitus frequency of 4 kHz,and most of them (44 cases,64.7%) had positive residual inhibition tests. Tinnitus completely disappeared in 3 cases after masking therapy, and the efficiency of this treatment is 83.8%. There was significant difference in the scores of THI and VAS before and after therapy(P<0.01), and there was also significant difference in the minimum masking intensity (P<0.01).Conclusion: Masking therapy is the most important treatment for the patients in the early stage of noise-induced tinnitus.The therapeutic effiency is significant and should be promoted.
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Key words:
- tinntitus /
- noise-induced hearing loss /
- masking therapy
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