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  • Title: Amplatzer duct occluder II for closure of congenital Gerbode defects.
    Author: Vijayalakshmi IB, Natraj Setty HS, Chitra N, Manjunath CN.
    Journal: Catheter Cardiovasc Interv; 2015 Nov 15; 86(6):1057-62. PubMed ID: 26152234.
    Abstract:
    BACKGROUND: Congenital left ventricle to right atrial communications (Gerbode defects) are extremely rare (0.08%) type of ventricular septal defects. They were traditionally closed by surgery in the past. There are few case reports and small series of acquired and congenital Gerbode defects, closed with various types of devices. Aim of our study is to assess the feasibility, efficacy, and complications of transcatheter closure of congenital Gerbode defects with Amplatzer duct occluder II (ADO II). MATERIAL: Twelve consecutive cases of Gerbode defects, age ranging from 10 months to 16 years (mean 6.7 years), weight ranging from 6.5 kg to 34 kg (mean 19.3 kg), were diagnosed on transthoracic echocardiography. RESULTS: Transcatheter closure of Gerbode defects was done successfully through retrograde approach with ADO II. No aortic or tricuspid regurgitation or residual shunt occurred in any of the patients. One patient developed transient complete heart block needing temporary pacing. DISCUSSION: The soft low profile, easily trackable ADO II appears to be ideal for closure of Gerbode defects, as the central cylinder fits in the defect and the soft retention discs on either side, without polyester material, do not impinge on either aortic, mitral, or tricuspid valve. We report the successful transcatheter closure of twelve cases of congenital Gerbode defects with ADO II. CONCLUSIONS: Transcatheter closure of congenital Gerbode defects with ADO II is safe, effective, and an attractive alternative to surgical closure. ADO II appears to be tailor made for Gerbode defects, as the success rate is very high and complication rate is very low.
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