一、肝硬化的成因据作者近12年的统计,酒精性肝硬化约占25%,乙肝病毒所致者约占20%,原发性胆汁性肝硬化等特殊类型肝硬化占5%略多,50%左右原因不明。后者约40%有输血史,大部分可能系非甲非乙型肝炎病毒所致。男女比大致为3:1。男性30%以上为酒精性,女性大部分原因不明。诊断肝硬化时的年龄以乙肝者最年轻,多为40～49岁;酒精性者次之,多为50岁左右;原因不明者年龄最高,为50～59岁。但各型的年龄分布均广。有输血史的原因不明者于输血后平均16年诊断为肝硬化。 First, the causes of cirrhosis According to the author’s statistics for the past 12 years, alcoholic cirrhosis accounts for about 25%, hepatitis B virus accounts for about 20%, primary biliary cirrhosis and other special types of cirrhosis accounted for slightly more than 5% About 50% of the reasons unknown. About 40% of the latter have a history of blood transfusions, most of which may be caused by non-A, non-B hepatitis viruses. The ratio of men to women is roughly 3: 1. More than 30% of men are alcoholic, and most women for unknown reasons. Diagnosis of cirrhosis of the age of hepatitis B were the youngest, mostly 40 to 49 years of age; followed by alcoholism, mostly about 50 years old; unexplained age highest, 50 to 59 years old. However, all types of age distribution are wide. Patients with unknown causes of blood transfusion diagnosed with cirrhosis on average after 16 years of transfusion.