Mika Saito1,2, Dragulescu Andreea1,2, Shi-Joon Yoo1,2,3,*
Congenital Heart Disease, Vol.16, No.1, pp. 1-16, 2021, DOI:10.32604/CHD.2021.011694
Abstract Objective: Overriding/straddling of an atrioventricular valve is a consequence of atrial-ventricular septal malalignment. We sought to characterize the malalignment by analogizing it to a flap-door and using structured approach. Methods: The echocardiograms and magnetic resonance images of 35 patients with overriding/straddling tricuspid or mitral valve were evaluated to assess the following modifiers; the malaligned part of the septum, the reference structure, and the mechanism, direction and severity of malalignment. Results: The pathology included classic overriding tricuspid valve in 15, classic overriding mitral valve in 12, and overriding tricuspid valve with left juxtaposition of atrial appendages in 8. In classic overriding… More >
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