门体脑病的成年患者应用安息香酸钠和苯乙酸钠治疗,可促进结合氨从尿排出,使血氨降低。对先天性高氨血症的儿童患者亦有治疗作用。本报告经用双盲交叉法研究,每一例病人均作自身先后对照。8例中6例精神状态改善,血氨下降,7例门体脑病指数改善。而应用乳果糖或新霉素作通常治疗的 Adult patients with portal encephalopathy, sodium benzoate and sodium phenylacetate treatment, can promote the combination of ammonia excretion from the urine, so that blood ammonia decreased. Congenital hyperammonemia in children with therapeutic effect. This report is based on a double-blind crossover study, with each patient making its own comparison. Six of the eight patients improved their mental status, their blood ammonia dropped, and their encephalopathy index improved in seven patients. The application of lactulose or neomycin for the usual treatment