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  • Title: [Interventional therapy for complex congenital heart disease].
    Author: Zhou AQ, Wang RF, Gao W, Yu ZQ, Li F, Huang MR.
    Journal: Zhonghua Er Ke Za Zhi; 2004 Nov; 42(11):813-6. PubMed ID: 15631702.
    Abstract:
    OBJECTIVE: The advances in interventional cardiac catheterization have changed the therapeutic strategy for many patients with congenital heart diseases. The aim of this study was to evaluate the role of therapeutic cardiac catheterization in the treatment of complex congenital heart diseases. METHODS: Balloon atrial septostomy (BAS) was performed in 59 children using Rashkind balloon catheter. Static balloon dilatation of the atrial septum was performed in 2 children with hypoplastic right heart syndrome. One child with pulmonary artery stenosis at the suture lines after arterial switch was treated with balloon dilatation. Percutaneous balloon pulmonary valvuloplasty (PBPV) and balloon angioplasty were performed in 15 children with tetralogy of Fallot (TOF). Transcatheter coil embolization was performed in 18 children with systemic to pulmonary collateral vessels and 5 children with B-T shunts before surgical procedures. Transcatheter closure of fenestration with Amplatzer septal occluder device was performed in 1 child who had undergone Fontan procedure. RESULTS: In 46 children with transposition of great arteries (TGA), the arterial oxygen saturation (SaO(2)) was increased from 0.57 +/- 0.17 to 0.76 +/- 0.13 (t = 14.58, P < 0.01) after BAS. The pressure gradients across left and right atrium were less than 2 mmHg. The created atrial septal defects were 5 - 20 mm in size. In 10 children with pulmonary atresia with intact ventricular septum (PA/IVS), the arterial oxygen saturation did not change after BAS (t = 1.57, P > 0.05), but the pressure gradients across left and right atrium were less than 2 mmHg. In children with TOF, the arterial oxygen saturation was increased by 15 percent after PBPV and pulmonary valvular stenosis was relieved. In 14 of 18 children with systemic to pulmonary collateral vessels and 5 children with B-T shunts, complete occlusion was accomplished and the procedures were successful. In the child who had undergone Fontan procedure, the fenestration was occluded successfully and no complication was observed. CONCLUSION: In management of complex congenital heart diseases, combination of surgical procedure and interventional catheterization therapy could be suggested to have better outcome.
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