慢性乙肝发生致死性重型肝炎与重叠嗜肝病毒感染及HBV e系统状态关系的研究

目的　为了查清慢性乙型肝炎 (慢性乙肝 )病程中发生致死性重型肝炎与重叠感染甲、丙、丁或戊型肝炎病毒以及乙肝病毒 (HBV)e系统状态的关系 ,以便采取相应措施降低慢性乙肝的死亡率。方法　用ELISA法检测慢性乙肝病程中发生致死性重型肝炎时重叠甲、丙、丁或戊型肝炎病毒的感染情况以及HBVe系统的状态。结果　在慢性乙肝病程中发生致死性重型肝炎的 2 19例患者中 ,甲、丙、丁或戊型肝炎病毒的重叠感染率分别为 1. 4 % (3 /2 19)、9.6 % (2 1 2 19)、1.8% (4 2 19)和30.1% (6 6 / 2 19) ,重叠嗜肝病毒的感染率之和为 4 2.9% (94 2 19)。其中 ,以戊型肝炎病毒为主 ,并且近10年来感染率基本没有改变。原因未明者为 5 7.1% (12 5 2 19)。HBeAg和抗 HBe的阳性率在甲、丙、丁或戊型肝炎病毒重叠感染组分别为 17.0 % (16 94 )和 5 4.0 2 % (5 1 94 ) ;原因未明组分别为 2 7.2 %(34 /12 5 )和 4 7.2 % (5 9/12 5 ) ,两组之间HBeAg和抗 HBe阳性率的比较差异无统计学意义 (P >0 .0 5 )。结论　研究结果提示 ,重叠嗜肝病毒感染是发生致死性重型肝炎的重要原因 ;严格饮食卫生和使用安全的血液制品可降低慢性乙肝的死亡率。未能发现HBVe抗原的血清转换与慢性乙肝患者病程中发生致死性重型肝炎有明确的关系

Relationship between fatal severe form hepatitis occurred during chronic hepatitis B and superinfections of hepatotropic virus and hepatitis B e system status

Objective To clarify the relationship between fatal severe form hepatitis occurred during chronic hepatitis B and superinfections of hepatitis A, C, D or E virus as well as hepatitis B e system status and to adopt corresponding measures to reduce the mortality of chronic hepatitis B. Methods This study detected the superinfections with hepatitis A, C, D or E virus and hepatitis B e system status in 219 patients with fatal severe form hepatitis occurred during chronic hepatitis B by enzyme linked immunosorbent assay. Results The superinfections with hepatitis A, C, D or E virus were found in 1.4%(3/219), 9.6%(21/219), 1.8%(4/219) and 30.1%(66/219) of the patients, respectively, altogether 42.9%(94/219); hepatitis E was prominent and steady in superinfection rate in recent ten years. The causes of 57.1%(125/219) patients were not clear. The positive rate of HBeAg and anti-HBe were 17.0%(16/94) and 54.2%(51/94) in the group of superinfections with hepatitis A, C, D or E virus; and were 27.2%(34/125) and 47.2%(59/125) in the group with unknown causes, respectively. Conclusion These results suggested that the patients with superinfections reached 42.9%(94/219), and the superinfections may be a part of causes of fatal severe form hepatitis, and the mortality of chronic hepatitis B may be decreased by strict food sanitation and use of safe blood products. There were no significant relation between hepatitis B e antigen seroconvertsion and the fatal severe form hepatitis occurred during chronic hepatitis B.