听觉脑干反应：格拉斯哥昏迷量表评分为3分患者的预后价值
Auditory brainstem response: prognostic value in patients with a score of 3 on the Glasgow Coma Scale.
作者信息
de Sousa Luiz Carlos A, Colli Benedicto O, Piza Marcelo R T, da Costa Sady S, Ferez Marcus, Lavrador Marco
机构信息
Paparella Otorhinolaryngology Association, Faculty of Medicine, University of Ribeirão Preto, Brazil.
出版信息
Otol Neurotol. 2007 Apr;28(3):426-8. doi: 10.1097/MAO.0b013e3180326170.
OBJECTIVE
To evaluate the prognostic value of auditory brainstem response (ABR) recorded in comatose patients presenting a score of 3 on the Glasgow Coma Scale (GCS = 3).
PATIENTS
One hundred thirty-eight patients in coma at GCS = 3 due to various etiologic agents.
INTERVENTION
To record and analyze tracings of ABR.
MAIN OUTCOME MEASURE
Tracings from ABR were classified into four types (B1, B2, B3, and B4) on the basis of synchrony of waves.
RESULTS
The Fischer's exact test used for comparison between death proportions revealed that B1 is different from B2, B3, or B4 and the association B2 + B3 + B4.
CONCLUSION
Auditory brainstem response is a useful tool with prognostic value for patients in coma with GCS = 3. It was demonstrated in our series that once the patient presented an abnormal ABR (B2, B3, or B4), he had a greater probability of dying than a patient with a normal ABR (B1).
目的
评估格拉斯哥昏迷量表（GCS）评分为3分的昏迷患者中记录的听觉脑干反应（ABR）的预后价值。
患者
138例因各种病因导致GCS = 3昏迷的患者。
干预措施
记录并分析ABR描记图。
主要观察指标
根据波的同步性，将ABR描记图分为四种类型（B1、B2、B3和B4）。
结果
用于比较死亡比例的费舍尔精确检验显示，B1与B2、B3或B4以及B2 + B3 + B4组合不同。
结论
听觉脑干反应是GCS = 3昏迷患者具有预后价值的有用工具。我们的系列研究表明，一旦患者出现异常ABR（B2、B3或B4），其死亡概率高于ABR正常（B1）的患者。
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