Conclusions The rate of tumor, heart failure, lung infection raised along with the age increasing in the patients with pericardial effusion, meanwhile the cases of tuberculoses declined.

• 结论随着年龄增长，心包积液患者的病因中肿瘤、心力衰竭、肺感染所占比例呈上升趋势，结核则呈下降走势。