延迟关胸病儿术后肺部并发症发生率和呼吸机使用时间与非延迟关胸者差异无显著性（P >0 0 5 ）。
There was no difference in the incidence of pulmonary complication and mechanical support time in patient with delayed sternal closure and non-delayed sternal closure (P>0.05).
结果治疗组肺部感染、应激性溃疡、心脏并发症和电解质紊乱发生率低于对照组（P<0.05）；
Results The incidence of pulmonary infection, stress-related gastric injury , cordis complication , electrolyte mess in the treat group was significantly lower than that of the control group(P<0.05).
由于肺部并发症的高发生率，甲基强的松龙的应用应受限制。
We believe MPSS should be used under limited circumstances because of the high incidence of pulmonary complication.
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