脑室炎是一种以脑室内液细胞增多 (10 0个以上的多形核白细胞 )、糖降低及脑室内液出现细菌为特征的感染。它好发于Ｇ-杆菌性脑膜炎的早产儿 ,脑室内异物存留的病人如脑室心房 /脑室腹腔分流术、脑室外引流术及穿通伤 ,以及脊膜膨出的儿童。其中以分流引起者最多见。1　病因　 Ventritis is a type of infection characterized by an increase in intracerebral fluid cells (more than 10 polymorphonuclear leukocytes), a decrease in sugar, and the presence of bacteria in the intraventricular fluid. It occurs predominantly in preterm infants with G-meningococcal meningitis, in patients with intraventricular foreign bodies such as ventricular atrium / ventriculoperitoneal shunts, extra-ventricular drainage and penetrating wounds, and in children with spina bifida. Which caused the most common shunt. 1 etiology