与患肝炎的病毒类型有关 目前已知甲型肝炎预后良好,不会转变成慢性肝炎。急性乙型肝炎的转归比较复杂。国内上海有人对423例急性乙型肝炎随访3年,约20％演变成慢性肝炎。急性丙型肝炎约40％～50％发展为慢性肝炎。戊型肝炎一般认为转为慢性少见。 与发病时年龄有关 小儿患急性肝炎大多数症状消失迅速,肝大回缩也快。这是由于小儿代谢比较旺盛,肝脏血液比较丰富,肝细胞再 Hepatitis associated with the type of virus is known about the prognosis of hepatitis A is good, will not be converted to chronic hepatitis. The outcome of acute hepatitis B is more complicated. Some domestic 423 cases of acute hepatitis B were followed up for 3 years, about 20% evolved into chronic hepatitis. About 40% to 50% of acute hepatitis C develop chronic hepatitis. Hepatitis E is generally thought of as chronic and uncommon. Age associated with the onset of most of the symptoms of acute hepatitis in children disappeared rapidly, the liver is also fast retraction. This is due to relatively strong metabolism in children, the liver is rich in blood, liver cells and then