Doctoral thesis summary: Surgical outcome assessment of partial atrioventricular septal defect

Research objectives: The enlargement of right ventricle results in dilation of tricuspid valve annulus with the presence of the cleft between the anterior leaflet and septal leaflet of the tricuspid valve; according to several authors, it is also called the cleft of septal tricuspid leaflet. Depending on the magnitude, the cleft may cause tricuspid valve regurgitation more or less.