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检测１６例呼吸衰竭（呼衰）患儿血中循环内皮细胞（ＣＥＣ）含量。结果：呼衰急性期ＣＥＣ为（１１．８１±０．２２）×１０６／Ｌ，恢复期为（５．１７±１．４０）×１０６／Ｌ，正常对照组为（４．１０±１．０９）×１０６／Ｌ，急性期与恢复期及对照组比较均有显著性差别（Ｐ均＜０．０１）。作者认为血管内皮细胞（ＶＥＣ）损伤参与了呼衰的发生发展；ＣＥＣ可作为呼衰治疗效果及预后判断的预警信号；进一步探索保护、稳定肺ＶＥＣ免遭致病因子损伤的药物，在呼衰救治中将有十分重要的意义
16 cases of respiratory failure (respiratory failure) in children with circulating endothelial cells (CEC) content. Results: In the acute phase of respiratory failure, the CEC was (11.81 ± 0.22) × 106 / L, the recovery was (5.17 ± 1.40) × 106 / L, and the normal control group was (4.10 ± 1.10) 09) × 106 / L, acute and convalescent and control groups were significantly different (P all <0.01). The authors believe that vascular endothelial cell (VEC) injury is involved in the occurrence and development of respiratory failure; CEC can be used as an early warning signal for therapeutic effect and prognosis of respiratory failure; further explore to protect and stabilize lung VEC from causative agents, Treatment will have a very important meaning