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目的：观察Ｂｅｌ氏麻痹患者瞬目反射（ＢＲ）的特点，探讨其判断预后的临床意义。方法：检测３６例Ｂｅｌ氏麻痹患者及３０名健康人ＢＲ，并对３２例患者进行随访。结果：ＢＲ反应电位潜伏期患者均较健康人延长，波幅较健康人低；在临床恢复过程中波幅，潜伏期有恢复趋势；病情预后差者潜伏期比预后好者延长更明显，波幅比预后好者下降更明显。结论：ＢＲ检测对估计Ｂｅｌ氏麻痹预后有判断价值。
Objective: To observe the characteristics of blink reflex (BR) in patients with Bel’s paralysis and to explore the clinical significance of prognosis. Methods: Twenty-six patients with Bel’s paralysis and 30 healthy subjects were tested for BR, and 32 patients were followed up. Results: The patients with latent period of BR response potential were longer than those with healthy subjects, the amplitudes were lower than those of healthy individuals. The amplitudes and latency of patients with BR reaction potentiality were recovering. The patients with worse prognosis had longer latency than those with good prognosis. More obvious. Conclusion: The detection of BR is of value in estimating the prognosis of Bel’s paralysis.