Cirpar O, Arikan O K, Kendi T, Gorgulu O
Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey.
B-ENT. 2012;8(4):241-5.
To investigate the possible association between chronic noise-induced hearing loss and the volume of mastoid pneumatization.
The study involved 46 subjects employed in the press and montage department of a gun factory: 28 in the study group with noise-induced hearing loss and 18 in the control group with no hearing loss. The volume of mastoid pneumatization was measured with computed tomography. Student's t test was used in the comparison of the mastoid volumes of the study and the control groups.
The intergroup evaluations showed no significant difference between the study and control group with regards to age, use of substances or ototoxic drugs, systemic diseases, use of personal hearing protectors, duration of occupational and non-occupational noise exposure was observed (P > 0.05). The mean values of mastoid pneumatization in the study and the control groups were 9717.6 mm3 and 11005.8 mm3, respectively. Although the volume of mastoid pneumatization was smaller in the study group than in the control group, this difference was not statistically significant (P > 0.05).
This preliminary study showed that there was no significant correlation between mastoid pneumatization volume and chronic noise-induced hearing loss. However, this correlation could be significant in further studies with a larger number of subjects.
探讨慢性噪声性听力损失与乳突气化量之间可能存在的关联。
该研究纳入了一家枪械厂印刷和装配部门的46名员工：28名在研究组，有噪声性听力损失；18名在对照组，无听力损失。采用计算机断层扫描测量乳突气化量。使用学生t检验比较研究组和对照组的乳突体积。
组间评估显示，研究组和对照组在年龄、物质或耳毒性药物使用情况、全身性疾病、个人听力保护器使用情况、职业和非职业噪声暴露时长方面均无显著差异（P>0.05）。研究组和对照组乳突气化的平均值分别为9717.6立方毫米和11005.8立方毫米。尽管研究组的乳突气化量小于对照组，但这种差异无统计学意义（P>0.05）。
这项初步研究表明，乳突气化量与慢性噪声性听力损失之间无显著相关性。然而，在纳入更多受试者的进一步研究中，这种相关性可能具有显著性。
