Objective: Determine causes of spontaneous haemorrhage in ventricules. Methods: Prospective study review 51 patients with spontaneous intraventricular haemorrhage who admitted at Bach Mai hospital from 10/2013 to 6/2014. Results: 32 males/ 19 females with mean age 48.3. 29.4 percent have antecedant of hypertension. CT scan reveals high rate of haemorrhage in lateral ventricules (90.2 percent), 45,1 percent of third ventricular haemorrhage, and forth intraventricular haemorrhage in 27.4 percent. Intracerebral haemorrhage in 60.8 percent, and 47.1 percent of subarachnoid haemorrhage, and 56.9 percent of hydrocephlus. Causes of intraventricular haemorrhage indicate ruptured cerebral aneurysms in 43.1 percent, hypertesion in 29.3 percent, arteriovenous malfomation rupture in 21.6 percent and tumor brain (multiform glioma) bleeding in 2 percent. Conclusion: Non-traumatic spontaneous intraventricular haemorrhage is relatively frequent lesions. They could couple with subarachnoid hemorrhage and intracerebral hematoma. Causes of haemorrhage are abundant, the most important one is ruptured cerebral aneurysms.
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