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.… More >
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