Key result
Two-dimensional echocardiography in 20 children with atrioventricular canal malformation consistently visualized a cleft anterior mitral leaflet as a diastolic break in sagittal cross-sections.
Why the study?
What are the characteristic two-dimensional echocardiographic findings in children with atrioventricular canal malformation?
Observational (n=20)
What are the characteristic two-dimensional echocardiographic findings in children with atrioventricular canal malformation?
Two-dimensional echocardiography, particularly using sagittal and transverse cross-sections, is effective in visualizing key anatomical features of atrioventricular canal malformations in children.
May aid cleft visualization via sagittal views in AV canal; leaves open validation in larger cohorts.
Two-dimensional echocardiographic studies were performed in 20 children with various forms of atrio-ventricular canal malformation. Both sagittal and transverse cross-sections were evaluated. The most typical finding in all patients was the visualization of the cleft anterior mitral leaflet (AML) represented by a diastolic break of AML echoes in the sagittal cross-section. - In cases where the AML is attached to the interventricular septum, varying degrees of left ventricular outflow tract narrowing and elongation were observed. In the transverse cross-section mitral-tricuspid alignment could be observed at the level of the aortic root. The ventricular septal defect in complete AVC was visualized as an echo-free space between the common anterior leaflet and the interventricular septum.
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Draulans-Noë et al. (1979) conducted an observational in Atrioventricular canal malformation (n=20). Two-dimensional echocardiography was evaluated on Echocardiographic visualization of cardiac structures. Two-dimensional echocardiography in 20 children with atrioventricular canal malformation consistently visualized a cleft anterior mitral leaflet as a diastolic break in sagittal cross-sections.
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