To understand the conditions and the risk factors of pulmonary infection in the patients with severe viral hepatitis.
了解重型病毒性肝炎(重肝)并发肺部感染的情况，并探讨其危险因素。
Results The survival rate of elderly patients with severe viral hepatitis is low, has high mortality and serious complications.
结果老年重型病毒性肝炎患者，存活率低，死亡率高，并发症重，合并症多。
Conclusion: Prophylactic antibiotics therapy on patients with severe viral hepatitis is effective in preventing nosocomial infection.
结论：预防性抗生素应用可降低重型病毒性肝炎病人医院感染发生率。
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