MRI measurements the linear volume of posterior cranial fossa in patients with hemifacial spasm

作者全名："Zhou, Jianxin; Zhan, Yan; Xie, Yanfeng; Deng, Bo; Yuan, Sangui; Jiang, Li; Shi, Quanhong"

作者地址："[Zhou, Jianxin; Zhan, Yan; Xie, Yanfeng; Deng, Bo; Jiang, Li; Shi, Quanhong] Chongqing Med Univ, Affiliated Hosp 1, Dept Neurosurg, Chongqing, Peoples R China; [Yuan, Sangui] Chongqing Med Univ, Univ Town Hosp, Dept Neurosurg, Chongqing, Peoples R China"

通信作者："Jiang, L; Shi, QH (通讯作者)，Chongqing Med Univ, Affiliated Hosp 1, Dept Neurosurg, Chongqing, Peoples R China."

来源：JOURNAL OF CLINICAL NEUROSCIENCE

ESI学科分类：NEUROSCIENCE & BEHAVIOR

WOS号：WOS:000804723900005

JCR分区：Q4

影响因子：2

年份：2022

卷号：101

期号：　

开始页：94

结束页：99

文献类型：Article

关键词：Hemifacial spasm; Posterior fossa; Linear volume; MRI; Complication

摘要："To explore the pathogenesis of hemifacial spasm (HFS) and the effect of posterior fossa volume on postoperative complications. The measurements of the antero-posterior diameter of foramen magnum, the length of supraocciput, the angle of tentorium cerebelli, clivus and occipital bone were performed on MRI. The data of measurements and postoperative complications were then analyzed and statistically examined. The antero-posterior diameter of the foramen magnum was smaller in HFS group (34.98 +/- 2.83) mm than in control group (35.83 +/- 2.67) mm (P < 0.05); The length of supraocciput was smaller in HFS group (44.67 +/- 4.48) mm than in control group (45.84 +/- 4.25) mm (P < 0.05); The angle of tentorium cerebelli was larger in HFS group (41.03 +/- 5.01)? than in control group (37.28 +/- 4.31)? (P < 0.05); The angle of clivus was smaller in HFS group (52.71 +/- 6.22)? than in control group (56.39 +/- 6.61)? (P < 0.05). The operation time was significantly longer in crowding group (107.90 +/- 26.20) min than in non-crowding group (96.48 +/- 20.52) min (P < 0.05); The incidence of postoperative facial paralysis was significantly higher in crowding group (16.19%) than in non-crowding group (7.20%) (P < 0.05); The incidence of postoperative hearing loss was significantly higher in crowding group (13.33%) than in non-crowding group (4.00%) (P < 0.05). Factors such as shorter antero-posterior diameter of foramen magnum, lower tentorium cerebelli, and shorter length of supraocciput in patients with HFS indicate the posterior fossa dysplasia and promote the occurrence of HFS. The crowding of the posterior fossa will increase the difficulty of the surgery and the incidence of postoperative facial paralysis and hearing loss."

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