脑室内出血(intraventricular hemorrhage,IVH)是脑出血(intracranial hemorrhage,ICH)中的重要亚型,根据出血原因不同又分为原发性脑室内出血(primary intraventricular hemorrhage,PIVH)和继发性脑室内出血(secondary intraventricular hemorrhage。Darby等将PIVH定义为出血仅在脑室内或脑室壁室管膜下15mm以内来源的出血,SIVH为室管膜外15mm以外的脑实质出血破入脑室。近 ......