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摘要: 目的：研究前庭神经炎患者头脉冲抑制试验（SHIMP）的参数特征，探讨SHIMP在前庭神经炎患者中的应用价值。方法：选择我科门诊就诊的20例前庭上神经炎患者，利用视频头脉冲检查仪获取前庭上神经炎患者头脉冲试验（HIMP）及SHIMP增益值。结果：全部患者HIMP检查中患侧甩头均可引出代偿性扫视，健侧甩头均引出无代偿性扫视；SHIMP检查中健侧甩头均可引出反代偿性扫视，患侧甩头均引出无反代偿性扫视或仅有微弱扫视。前庭神经炎患者HIMP患侧、健侧增益值分别为0.56±0.15和0.99±0.13；SHIMP患侧、健侧增益值分别为0.45±0.13和0.9±0.13。HIMP患侧及健侧增益均较SHIMP患侧及健侧增益大，差异有统计学意义（P<0.05）。患侧与健侧HIMP及SHIMP增益间差异均有统计学意义（P<0.01）。结论：SHIMP联合HIMP可评估前庭神经炎前庭功能损伤及保留情况，也可动态监测患者前庭代偿情况。Abstract: Objective: To study the parameters of the suppression head impulse paradigm of vestibular neuritis and explore the application value of suppression head impulse paradigm in vestibular neuritis.Method: Twenty patients with vestibular neuritis in our outpatient clinic were selected. The HIMP and SHIMP gain of unilateral vestibular neuritis patients were detected by video pulse detector.Result: All patients with HIMP examination in the affected side can elicit compensatory saccade, the healthy side with no compensatory saccade; SHIMP examination in the healthy side can elicit anti-compensatory saccade, the affected side without compensatory saccade or weak saccades. The HIMP gain of affected side and healthy side of patients with vestibular neuritis were 0.56±0.15 and 0.99±0.13 respectively, and the SHIMP gain of affected side and healthy side of patients with vestibular neuritis were 0.45±0.13 and 0.9±0.13 respectively. The gain of the affected side and the healthy side of HIMP was larger than those of SHIMP, and the difference was statistically significant (P<0.05).The differences of HIMP and SHIMP gain between the affected side and the healthy side were statistically significant (P<0.01).Conclusion: Video head impulse test combined with suppression head impulse paradigm can evaluate vestibular function injury and residual retention in vestibular neuritis, and can also dynamically monitor vestibular compensation in patients.
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