PMID: 15249912Jul 14, 2004Paper

Three-dimensional echocardiography in children with atrial septal defect

Minerva pediatrica
Philippe Acar

Abstract

The selection of patients for transcatheter or surgical closure of a secundum atrial septal defect requires accurate information regarding the anatomy of the defect such as its maximal diameter and the amount of circumferential tissue rim. Two-dimensional echocardiography is wanting as a means to define selection criteria for atrial septal defect closure. Since the defect is visualised from multiple orthogonal planes, maximal atrial septal defect diameter is widely under-estimated. The transcatheter approach measures the stretched diameter, but cannot be applied alone for patient selection since it does not provide information on the tissue rim. Three-dimensional echocardiography allows unique en face views of the atrial septum. Previous studies have shown the ability of 3-dimensional echocardiography to depict information regarding the shape, the maximal diameter and the rims surrounding the defect. Transthoracic 3-dimensional echocardiography is accurate to measure atrial septal defect maximal diameter and rims surrounding the defect. Such a non-invasive method could be applied to children selection for atrial septal defect closure. The transcatheter balloon method provides additional information such as the resistance of the...Continue Reading

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