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乙型肝炎表面抗原(HBsAg)携带者发生δ感染后显现高度危险,δ因子有较高致病性且能引起急性和慢性肝脏疾病。δ抗原仅仅在最近δ感染血清中能够检出。慢性肝炎可以在肝脏标本中发现δ抗原,但在血清中只能发现δ抗原的抗体(anti-δ)。近期研究结果提示在无症状的HBsAg携带者中δ因子是发生暴发性肝炎的一个因素;δ因子也是慢性HBsAg阳性肝脏疾病病人的严重感染的原因。作者报告3例慢性HPsAg阳性病人,病情突然恶化而死亡,从这3例血清中查出存在乙型肝炎病毒
Patients with hepatitis B surface antigen (HBsAg) carriers are at high risk of δ infection, and the δ factor is highly pathogenic and causes acute and chronic liver disease. The delta antigen is only detectable in the most recent sera infected. Chronic hepatitis can be found in the liver specimens of δ antigen, but only in the serum anti-δ antigen (anti-δ). Recent findings suggest that delta-factor is a factor in the development of fulminant hepatitis in asymptomatic HBsAg carriers; delta-factor is also responsible for the severe infection in patients with chronic HBsAg-positive liver disease. The authors report three cases of chronic HPsAg-positive patients, the sudden deterioration of the condition and death, detected from the three cases of hepatitis B virus exists