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本组病例有63.6％的患者病前喜食水生贝类及生冷食物,经常在餐馆就餐,有可能经食物源传播;27.1％病例发病前1～2月在境外生活,可能有输入性传播,54.5％是在慢性HBV感染基础上重叠感染HEV,与印度报道相一致,提示这是HBV高发区HEV感染的一个特点。本组FH—E的临床特点为黄疸深、退黄时间长,肝功能损害明显,并发症以肝性脑病及继发感染为多见.病理组织学特征是汇管区有明显炎性细胞浸润及毛细胆管扩张、增生。
63.6% of patients in this group pre-empt aquatic shellfish and cold food, often dining in restaurants, may be transmitted through food sources; 27.1% of the cases before the onset of January to February living abroad, there may be imported sexually transmitted, 54.5% overlapped with HEV on the basis of chronic HBV infection, consistent with the report in India, suggesting that this is a characteristic of HEV infection in high-risk area of HBV. The clinical features of this group of FH-E jaundice, yellow long time, liver damage, complications of hepatic encephalopathy and secondary infection is more common.Pathological features of the portal area was significantly inflammatory cell infiltration and Bile canal dilation, hyperplasia.