结果：4例关闭成功后连续性杂音均消失，肺动脉压明显下降。 彩超无明显残余分流。
Results 4 patients were performed successfully, continuous murmur disappeared, pulmonary pressure decreased significantly, and evident residual drainage disappeared.
平均肺动脉压（MPAP）、肺血管阻力（PVR）均高于对照组；
Whereas mean pulmonary artery pressure (MPAP) and pulmonary vascular resistance (PVR) were significantly higher compared with the control group.
平均肺动脉压（MPAP）、肺血管阻力（PVR）均高于对照组；
Whereas mean pulmonary artery pressure (MPAP) and pulmonary vascular resistance (PVR) were significantly higher compared with the control group.
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