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在一侧大脑半球急性梗死后,意识障碍一般认为系因脑水肿及小脑幕切迹疝引起双侧大脑功能障碍的结果。但作者等的印象是:语言优势侧半球梗死的患者,较非语言优势侧半球梗死的患者,更易发生意识障碍。本文47例明显的一侧半球梗死患者中无1例具有双侧大脑障碍的体征。除体检外,应用颅骨照片、脑电图、同位素脑扫描及脑血管造影等检查,以测定损害的定位。 47例中,24例后脑损害的年龄为21～88岁(平均69岁),23例左脑损害为54～88岁(平均71岁)。意识水平分为5级,由深度昏迷至正常意识状态。临床
After an acute cerebral infarction on one side of the cerebral hemisphere, unconsciousness is generally thought to be the result of bilateral brain dysfunction due to hydrocephalus and herniation of the tentorium. However, the authors, for example, have the impression that patients with speech-predominant hemisphere infarctions are more likely to develop disturbance of consciousness than patients with non-speech-predominant hemisphere infarcts. None of the 47 patients with clear hemispheric infarcts in this study had signs of bilateral brain disorders. In addition to physical examination, the application of skull photographs, electroencephalography, isotope brain scan and cerebral angiography and other tests to determine the location of damage. Among the 47 cases, the posterior brain damage in 24 patients ranged from 21 to 88 years (mean, 69 years), and in 23 cases, the left brain injury ranged from 54 to 88 years (mean, 71 years). The level of consciousness is divided into 5 levels, from the depth of coma to the normal state of consciousness. clinical