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Organic cardiovascular disease (myocarditis, cardiomyopathy, congenital heart disease, rheumatic heart disease,valve)
The clinical evaluation of transcatheter closure of perimembranous ventricular septal defects with the Amplatzer duct occluder II
  1. Yu Zhiqing,
  2. Fu Lijun,
  3. Li Yun,
  4. Zhang Yuqi,
  5. Li Fen,
  6. Huang Meirong,
  7. Guo Ying
  1. Shanghai Children's Medical Centre, Shanghai Jiaotong University Medical College, Shanghai, China

Abstract

Objectives Investigate the feasibility of perimembranous ventricular septal defects closure with the Amplatzer duct occluder II.

Methods 2 female infants with small perimembranous ventricular septal defect, closed the VSD with Duct Occluder II. One is 3 years old, echocardiogram showed the diameter of VSD is 5.5 mm in left ventricle side and 2.3 mm in right ventricle side. The distance of superior border of VSD to aortic valve is 4 mm, the other is 2 years and 10 months old, the diameter of VSD is 7.8 mm in left ventricle side and 2.0 mm in right ventricle side. 5.8 mm to aortic valve.

Results One was selected 4 mm*4 mm Duct Occluder II and 5 F TorqVue Low Profile Delivery Catheter; the other was 3 mm* 4 mm Duct Occluder II and 4 F Delivery Catheter. Set up the arteriovenous pathway and release the left shed and right shed in turns. Echocardiogram showed no residual shunt and aortic regurgitation, but one infants has mild tricuspid regurgitation after procedure. The results of electrocardiogram are normal 2 days after procedure.

Conclusions Transcatheter closure of small perimembranous ventricular septal defects in infants with the Amplatzer duct occluder II was a good alternative selection, mild impairment of vessel when using small delivery catheter. No complication was found such as residual shunt, valve regurgitation and arrhythmia just after procedure.

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