Yagi T, Baba S
Arch Otorhinolaryngol. 1983;238(1):33-43. doi: 10.1007/BF00453739.
The auditory brain-stem response (ABR) and the caloric vestibular reaction (CVR) were investigated in 100 patients in deep coma to evaluate the brain-stem function of these patients precisely and to predict their prognosis accurately. In the first ABR examination, 54 patients showed normal and 46 abnormal ABRs. Among the latter, five showed partial wave disappearance and 21 exhibited no ABRs. Twenty-six of the 30 patients who recovered (87%) showed normal ABRs and 21 of the 57 who died (37%) also exhibited normal latency at that time. On the other hand, all the patients who showed wave disappearance (the absence of or only wave I response) died. Forty of 86 patients who underwent the CVR test showed some reaction. However, 46 patients showed no CVRs even in the first examination. Twenty-two of 26 patients who recovered exhibited some eye movements, while the remaining four showed no reaction at that time. From these results the following statements can be made. If total or partial (wave I) disappearance of the ABR in comatose patients is observed, one can predict a poor prognosis or death. If no reaction is observed in the CVR, however, one cannot always expect a poor prognosis.
对100例深度昏迷患者进行了听性脑干反应（ABR）和冷热前庭反应（CVR）检查，以准确评估这些患者的脑干功能并准确预测其预后。在首次ABR检查中，54例患者ABR正常，46例异常。在后者中，5例出现部分波消失，21例未引出ABR。30例康复患者中有26例（87%）ABR正常，57例死亡患者中有21例（37%）当时潜伏期也正常。另一方面，所有出现波消失（无反应或仅I波反应）的患者均死亡。86例接受CVR检查的患者中有40例有某种反应。然而，46例患者即使在首次检查时也无CVR。26例康复患者中有22例出现了一些眼球运动，其余4例当时无反应。从这些结果可以得出以下结论。如果在昏迷患者中观察到ABR完全或部分（I波）消失，则可以预测预后不良或死亡。然而，如果在CVR中未观察到反应，则不能总是预期预后不良。
