临床资料显示本病临床表现与甲、戊型肝炎类似,症状较明显,黄疸常见,但血清转氨酶以中度增高多见,与最近文献报道[6]似不一致。可能的原因是:症状轻微、无黄疸的病人因无明显不适感觉而未就诊。肝组织病理学显示病变以汇管区炎症为主。本病合并甲状腺机能亢进症、糖尿病等慢性消耗性疾病时易加重病情,在本组中前者病理学呈亚急性重症肝炎改变。
本病无合并症时预后较好,经综合治疗肝功能一般在1个月左右恢复正常,但因上述病例未随访而无法确定病情是否复发。
参考文献
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5 Nishizawa T, Okamoto H, Konishi K, et al. A novel DNA virus (TTV) associated with elevated transaminase levels in posttransfusion hepatitis of unknown etiology. Biochem Biophy Res Commun, 1997, 241:92-97.
6 骆抗先,章廉,王珊珊,等.一种新型肠传性病毒性肝炎的流行病学、临床、病理和病毒学的初步研究.中华肝脏病杂志,1998,6:164-166.