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为减少重症患儿的死亡率．经常评估主要死因，有助于提高PICU的诊治质量。方法从引起儿童主要死亡疾病及不同年龄段的死因对375例死亡患儿进行回顾性分析总结。结果死亡原因：婴幼儿期以肺炎（尤以先天性心脏病并肺炎）以及败血症为主；学龄前期以肺炎及中枢感染为主。学龄期儿童以白血病、肿瘤及心肌病为主。比较前后5a死因显示致死病种无显著差异，死亡率后5a比前5a呈明显下降趋势。结论不同时期致死原因无明显改变，不同年龄段的致死原因不同。
To reduce the mortality of critically ill children. Frequently assess the main cause of death, help to improve the quality of diagnosis and treatment of PICU. Methods A retrospective analysis of 375 deaths was made from the causes of the major deaths and the causes of death at different ages in children. The cause of death: Infants and young children with pneumonia (especially congenital heart disease and pneumonia) and sepsis-based; preschool children with pneumonia and central infection. School-age children with leukemia, cancer and cardiomyopathy-based. There was no significant difference between the 5 death causes and the 5 death deaths after 5a death compared with the previous 5 years. Conclusion There are no significant changes in the causes of death at different periods, with different causes of death at different ages.