鼓室成形术候选者中耳声导抗容积与三维计算机断层扫描乳突容积测量之间的相关性
Correlation between tympanometry volume and three-dimensional computed tomography mastoid volumetry in tympanoplasty candidates.
作者信息
Epprecht L, Qingsong L, Stenz N, Hashimi S, Linder T
机构信息
Department of Otorhinolaryngology, Head and Neck Surgery, Luzerner Kantonsspital, Lucerne, Switzerland.
Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital of Zurich, Switzerland.
出版信息
J Laryngol Otol. 2021 Aug;135(8):718-722. doi: 10.1017/S002221512100164X. Epub 2021 Jul 5.
OBJECTIVE
Ventilation of the middle ear and mastoid air cells is believed to play an important role in the pathogenesis of chronic ear disease. Traditionally, ventilation is assessed by computed tomography. However, this exposes patients to cumulative radiation injury. In cases with a perforation in the tympanic membrane, tympanometry potentially presents a non-invasive alternative to measure the ventilated middle-ear and mastoid air cell volume. This study hypothesised that total tympanometry volume correlates with ventilated middle-ear and mastoid air cell volume.
METHOD
Total tympanometry volume was compared with ventilated middle-ear and mastoid air cell volume on computed tomography scans in 20 tympanic membrane perforations.
RESULTS
There was a high correlation between tympanometry and computed tomography volumes (r = 0.78; p < 0.001). A tympanometry volume more than 2 ml predicted good ventilation on computed tomography.
CONCLUSION
These results may help reduce the need for pre-operative computed tomography in uncomplicated cases with tympanic membrane perforations.
目的
中耳和乳突气房的通气被认为在慢性耳部疾病的发病机制中起重要作用。传统上，通气情况通过计算机断层扫描进行评估。然而，这会使患者受到累积辐射损伤。在鼓膜穿孔的病例中，鼓室导抗图有可能成为一种测量通气的中耳和乳突气房容积的非侵入性替代方法。本研究假设鼓室导抗图总体积与通气的中耳和乳突气房容积相关。
方法
在20例鼓膜穿孔患者的计算机断层扫描中，将鼓室导抗图总体积与通气的中耳和乳突气房容积进行比较。
结果
鼓室导抗图与计算机断层扫描体积之间存在高度相关性（r = 0.７８；p < 0.001）。鼓室导抗图体积超过2毫升预示着计算机断层扫描显示通气良好。
结论
这些结果可能有助于减少在鼓膜穿孔的非复杂病例中术前进行计算机断层扫描的必要性。
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