原发性脑室出血临床较为少见 ,但死亡率较高。我们采用双针鞘内脑脊液置换法治疗 5例原发性脑室出血 ,取得满意疗效 ,现报告如下。1　临床资料5例患者中男 4例、女 1例 ,年龄 37～ 71岁 ,平均 51岁。所有患者均经 CT确诊 ,其中 3例右侧脑室积血且呈铸形 ,量约 5ml;1例右侧脑室? Primary intraventricular hemorrhage is relatively rare, but the mortality rate is higher. We use double needle intrathecal cerebrospinal fluid replacement therapy for 5 cases of primary ventricular hemorrhage, and achieved satisfactory results, are as follows. 1 Clinical data 5 patients, 4 males and 1 females, aged 37 to 71 years, mean 51 years. All patients were diagnosed by CT, of which 3 cases of right ventricular hemorrhage and was cast, the amount of about 5ml; 1 case right ventricle?