Closure of the ASD can still remodel the right atrium and ventricular, decrease the pulmonary artery pressure, and improve the cardiac function in the elderly patients.

结论：高龄本身并非老年房间隔缺损手术禁忌，老年患者通过封堵器或手术闭合房缺仍可以重构右心房、右心室，降低肺动脉压，显著改善心功能。

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The achievement of permanent transcatheter closure was decided according to the change of the pulmonary arterial pressure, aortic pressure and oxygen saturation.

封堵成功后监测肺动脉压力、主动脉压力和血氧饱和度变化，决定能否行永久封堵。

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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).

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 ）。

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