结论：介入治疗可作为一些复杂先心病外科术后，有效的补充性治疗手段。

Conclusion:Interventional treatments were effective therapy for patients with pulmonary blood-lacking congenital heart diseases after surgical procedures.

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目的：分析先天性心脏病(先心病)介入封堵治疗未成功原因及防治措施。

Objective: To analyze the unsuccessful causes of interventional therapy for congenital heart diseases (CHD).

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目的分析先天性心脏病(先心病)介入封堵治疗中和治疗后严重并发症的发生率、原因及防治措施。

Objective To analyze the incidence, causes and treatment of severe complications in interventional therapy for congenital heart disease (CHD).

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