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首页> 外文期刊>Otology and neurotology: official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology >Measurement of the Facial Nerve Caliber in Facial Palsy: Implications for Facial Nerve Decompression
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Measurement of the Facial Nerve Caliber in Facial Palsy: Implications for Facial Nerve Decompression

机译：面部麻痹中面神经口径的测量：对面神经减压的影响

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Objectives: The clinical effectiveness of facial nerve decompression remains controversial. To investigate this problem, we observed changes in the facial nerves of patients with and without facial palsy after this procedure. Study Design: Retrospective case review. Setting: Tertiary referral center.Patients and Methods: Fifteen cases who underwent opening of the facial canal under total mastoidectomy were enrolled for this study. Among these, 7 patients with Bell's palsy (House-Brackmann grade VI) underwent facial nerve decompression. The remaining 8 patients with temporal bone tumors did not show facial palsy and underwent rerouting or grafting of the facial nerve. After removal of the bone around the facial nerve, various parameters regarding the facial nerve (including the nerve width) were carefully observed, measured, and recorded. These values were subsequently compared using the Student's t test.Results: After removal of the bony covering, swelling of the facial nerve was observed in all 7 patients with facial palsy, and nerves dilated in diameter by 12% to 32% (mean, 21.0 + 6.1%). Injection and exudate also were observed among these patients. Swelling of the facial nerve was not observed in 8 patients without facial palsy before surgery (mean, 0.6 ? 1.2%). A statistically significant difference was observed between the 2 groups (p < 0.01).Conclusion: In the present study, edema of the facial nerve was not observed in patients without facial palsy. Although the present study has limitations and do not necessarily justify decompression, these different findings suggest that nerve decompression relieves the entrapment of the facial nerve.
机译：目标：面部神经减压的临床有效性仍然存在争议。为了调查这个问题，我们观察到此手术后有和没有面部麻痹的患者的面部神经的变化。研究设计：回顾性案例审查。设置：三级转介中心。患者和方法：在总乳突切除术下接受面部管开口的15例病例被纳入本研究。其中，有7名贝尔麻痹（House-Brackmann VI级）患者进行了面部神经减压。其余的8例颞骨肿瘤患者没有表现出面部麻痹，并接受了面部神经的重新穿线或嫁接。去除面神经周围的骨骼后，仔细观察，测量和记录了有关面神经（包括神经宽度）的各种参数。随后使用学生的t检验比较了这些值。结果：去除骨覆盖后，在所有7例面部麻痹患者中都观察到面部神经的肿胀，直径膨胀的神经均扩大了12％至32％（平均值，21.0，21.0 + 6.1％）。在这些患者中也观察到注射和渗出液。在手术前没有面部麻痹的8例患者中，没有观察到面部神经的肿胀（平均为0.6？1.2％）。两组之间观察到统计学上的显着差异（p <0.01）。结论：在本研究中，没有面部麻痹的患者未观察到面神经的水肿。尽管本研究有局限性，不一定证明减压是合理的，但这些不同的发现表明神经减压可以缓解面部神经的夹带。

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