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报告本病45例的临床回顾。确诊前误诊为脑膜炎4人,癔病1人,精神分裂症1人,颅内占位性病变1人,误诊率15.6％,误诊原因是对本病认识不足,未及时作腰穿等进一步检查。发病诱因仅10人在躯体活动时发病, 2人在睡眠中发病,33人不能肯定,故不能根据是否在躯体活动时发病来诊断本病。死亡5例中有3例伴有高血压和脑动脉硬化,可能与动脉硬化性梭状动脉瘤预后较先天性囊状动脉瘤差有关。腰穿是本病重要诊断措施之一,本组脑脊液呈新鲜血性34例(急性期),陈旧性出血6例(恢复期),正常2例(间歇期),故对
Report of 45 cases of clinical review of the disease. Misdiagnosis before the diagnosis of meningitis 4, 1 hysteria, 1 schizophrenia, intracranial space-occupying lesions 1 person, misdiagnosis rate was 15.6%, misdiagnosis is due to lack of knowledge of the disease, not timely for further examination of lumbar puncture . The incidence of incentives only 10 people in the incidence of physical activity, 2 in the onset of sleep, 33 people can not be sure, it can not be based on whether the incidence of physical activity to diagnose the disease. Three of the five deaths were associated with hypertension and cerebral arteriosclerosis, which may be related to the poor prognosis of saccular aneurysms of atherosclerotic fusiform aneurysms. Lumbar puncture is one of the important diagnostic measures of this disease, the group of cerebrospinal fluid was fresh bloody 34 cases (acute phase), 6 cases of old bleeding (recovery), normal 2 cases (intermittent), so