慢性门体脑病,可发生于肝硬化晚期伴有广泛的侧枝循环者,但以外科门体分流手术后为多见。在发生机理及临床表现上,它与慢性肝病失代偿的急性肝性脑病不同。尽管近年门体分流术有很大的进展,术后精神状态较好,但应用各种精神测定法进行观察,80%有潜在性脑病,仅15%胜任驾驶汽车工作。有关本病的治疗近年有许多报道,综述如下。一、蛋白质(一)适量蛋白的摄入门体分流术 Chronic portal encephalopathy, can occur in the late phase of cirrhosis with a wide range of collateral circulation, but surgical door shunt is more common. In the pathogenesis and clinical manifestations, it is different from chronic hepatic decompensation of acute hepatic encephalopathy. Although there has been great progress in portosystemic shunting in recent years, postoperative mental state is better, but various psychometric methods are used for observation. 80% have latent encephalopathy and only 15% are competent in driving a car. There are many reports on the treatment of this disease in recent years, summarized as follows. First, the protein (A) the amount of protein intake portosystemic shunt