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首页> 外文期刊>The Laryngoscope: A Medical Journal for Clinical and Research Contributions in Otolaryngology, Head and Neck Medicine and Surgery, Facial Plastic and Reconstructive Surgery .. >Measurement of angle and length of the eustachian tube on computed tomography using the multiplanar reconstruction technique.
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Measurement of angle and length of the eustachian tube on computed tomography using the multiplanar reconstruction technique.

机译：使用多层重建技术在计算机断层扫描上测量咽鼓管的角度和长度。

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OBJECTIVE: To compare the anatomic features of the eustachian tube (ET) between children with and without otitis media with effusion (OME) and with adults. METHODS: The angle and length of the ET in children with OME (54 ears, OME children) and without OME (50 ears, normal children), as well as those of normal adults (90 ears), were measured on computed tomography using the multiplanar reconstruction technique. RESULTS: The angles of ET in the OME children group, the normal children group, and the normal adult group were 20.4 +/- 3.5 degrees and 21.2 +/- 4.8 degrees , 19.9 +/- 3.4 degrees and 20.0 +/- 3.6 degrees , and 27.3 +/- 2.7 degrees and 27.3 +/- 2.8 degrees on the right and the left sides, respectively. There was no significant difference between the right and the left side in any group (P = .541, P = .952, P = .978). The lengths of ET in the OME children group, the normal children group, and the normal adult group were 37.2 +/- 3.0 mm (mean +/- SD) and 37.6 +/- 3.2 mm, 37.5 +/- 3.3 mm and 38.0 +/- 3.2 mm, and 42.5 +/- 2.8 mm and 42.9 +/- 2.9 mm on the right and the left sides, respectively. There was no significant difference between the right and left sides in any group (P = .670, P = .597, and P = .545). Both the angles and lengths were significantly greater in the normal adult group than in either the OME children group or the normal children group (one-way analysis of variance and Fisher's protected least significant difference tests, P < .05), but there was no significant difference in either the angle or length of the ET between the OME and normal children groups (P > .05). In the OME and normal children groups, the angle was observed to constantly increase with age, and the values were found to be within the range of the adult size in all the patients older than 7.5 years and 7.7 years in the OME children group and the normal children group, respectively. As well as the angle, the lengths were observed to constantly increase with age, but the increase appeared to be greater at a younger age (until approximately 3 to 4 years) than at an older age, and the values were found to be within the range of the adult size in all the patients older than 6.8 years and 7.7 years in the OME children group and the normal children group, respectively. CONCLUSION: The angle and length of the ET are more horizontal and shorter in infants than in adults. However, there is no statistical difference between the angle and length of the ET in infants with and without OME. These results lead us to believe that a short and horizontal ET may not be a main etiologic factor related to high susceptibility to OME in infants and children.
机译：目的：比较患有和不患有渗出性中耳炎（OME）的儿童与成年人之间的咽鼓管（ET）的解剖特征。方法：采用计算机断层扫描技术，对有OME患儿（54耳，OME儿童）和没有OME患儿（50耳，正常儿童）以及正常成年人（90耳）的ET的角度和长度进行测量。多平面重建技术。结果：OME儿童组，正常儿童组和正常成人组的ET角分别为20.4 +/- 3.5度和21.2 +/- 4.8度，19.9 +/- 3.4度和20.0 +/- 3.6度，分别在右侧和左侧分别为27.3 +/- 2.7度和27.3 +/- 2.8度。在任何一组中，右侧和左侧之间都没有显着差异（P = .541，P = .952，P = .978）。 OME儿童组，正常儿童组和正常成人组的ET长度分别为37.2 +/- 3.0 mm（平均+/- SD）和37.6 +/- 3.2 mm，37.5 +/- 3.3 mm和38.0右侧和左侧分别为+/- 3.2毫米和42.5 +/- 2.8毫米和42.9 +/- 2.9毫米。在任何一组中，左右两侧之间均无显着差异（P = .670，P = .597和P = .545）。正常成人组的角度和长度均显着大于OME儿童组或正常儿童组（方差的单向分析和Fisher的最小显着差异检验，P <.05），但没有OME和正常儿童组的ET角度或长度有显着差异（P> .05）。在OME和正常儿童组中，观察到该角度随年龄不断增加，并且在OME儿童组和7.5岁以上7.7岁的所有患者中，该值均在成人大小范围内。正常儿童组。除角度外，观察到的长度会随着年龄的增长而不断增加，但是在年轻的年龄（直到大约3至4岁）时，这种增长似乎大于在更大的年龄，并且发现该值在年龄范围内。在OME儿童组和正常儿童组中，所有年龄在6.8岁和7.7岁以上的患者的成人大小范围分别是。结论：婴儿的ET的角度和长度比成人的更水平，更短。但是，有和没有OME的婴儿的ET角度和长度之间没有统计学差异。这些结果使我们相信，短而水平的ET可能不是婴儿和儿童对OME易感性高的主要病因。

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