Key result
3D TEE better delineates left AV valve and AV junction defects than 2D TEE.
Why the study?
Does three-dimensional transesophageal echocardiography improve the delineation of anatomical defects compared to two-dimensional echocardiography in adult patients presenting for reoperation of partial AV septal defect?
Case Report (n=2)
Does three-dimensional transesophageal echocardiography improve the delineation of anatomical defects compared to two-dimensional echocardiography in adult patients presenting for reoperation of partial AV septal defect?
Three-dimensional transesophageal echocardiography provides superior anatomical delineation compared to 2D imaging for complex congenital heart disease reoperations.
May aid preoperative planning in select reoperations; hypothesis-generating and requires prospective validation before broader adoption.
We present two- and three-dimensional transesophageal echocardiographic findings of two adult patients who presented for reoperation after previous repair of a partial atrioventricular (AV) septal defect. Both patients had a cleft in the left AV valve with severe regurgitation. One patient had an additional 10 x 5 mm defect connecting the left ventricle to the right atrium through the AV junction. Three-dimensional echocardiography was superior to two-dimensional echocardiography in comprehensively delineating the anatomical defects in the left AV valve and the AV junction.
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Miller et al. (2003) conducted a case report in Partial atrioventricular septal defect (n=2). Three-dimensional transesophageal echocardiography vs. Two-dimensional transesophageal echocardiography was evaluated on Delineation of anatomical defects. Three-dimensional transesophageal echocardiography was superior to two-dimensional echocardiography in comprehensively delineating anatomical defects in the left AV valve and AV junction.
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