非酒精性脂肪肝病(Nonalcoholic Fatty Liver Disease,NAFLD)是引起美国成年人肝酶水平升高最常见的原因,也是隐源性肝硬化最常见的原因,这种肝硬化不能用肝炎、酗酒、毒素暴露、自身免疫性疾病、先天性肝病、血管流出道阻塞或胆管病来解释。美国NAFLD的流行性估计为16%～23%。 Nonalcoholic fatty liver disease (NAFLD) is the most common cause of elevated liver enzymes in adults in the United States and is the most common cause of cryptogenic cirrhosis, which can not be treated with hepatitis, alcoholism, toxins Exposure, autoimmune disease, congenital liver disease, vascular outflow tract obstruction or biliary duct disease. The prevalence of NAFLD in the United States is estimated at 16% to 23%.