目前,脑脊液检查对脑卒中的诊断是不可缺少的辅助检查方法。虽然综合临床特征可以基本上作出脑卒中的鉴别诊断,但仍很有误诊的可能,因而脑脊液检查有着重要的临床意义。现复习有关文献并结合临床实践将脑卒中时的脑脊液变化整理如下: 一、压力:正常人侧卧位时脑脊液压为80—180mmH_2O。若患者用力憋气或脊柱过度屈曲时压力常可增高。所以测压时应让病人体位舒适、肌肉放松、颈部和下肢稍伸展时再测。蛛网膜下腔出血一般比脑出血的压力高,大多数病例是200mmH_2O以上,有时达400—500mmH_2O。脑梗塞大部分在200mmH_2O以下,高于200mmH_2O的仅占20％ Currently, cerebrospinal fluid examination is indispensable for the diagnosis of stroke auxiliary examination. Although the comprehensive clinical features can basically make a differential diagnosis of stroke, but still misdiagnosed, so cerebrospinal fluid examination has an important clinical significance. Now review the literature and combined with clinical practice will cerebrospinal fluid changes in stroke as follows: First, the pressure: normal human lateral cerebrospinal fluid pressure was 80-180mmH_2O. If the patient forced suffocation or excessive flexion of the spine when the pressure can often increase. Therefore, the pressure measurement should allow patients to position comfort, muscle relaxation, neck and lower extremity slightly extended retest. Subarachnoid hemorrhage generally higher than the pressure of cerebral hemorrhage, most cases are 200mmH2O or more, sometimes up to 400-500mmH2O. Most of cerebral infarction below 200mmH_2O, higher than 200mmH_2O only 20%