Abstract
Tenting volume and septal leaflet tethering angle can be considered predictors of severe recurrent tricuspid valve regurgitation after repair.1 A tenting area >1.0 cm2 is predictive of mild tricuspid regurgitation (TR)2 and the tethering of the tricuspid leaflets can alone cause TR, even without significant annular tricuspid dilation.3,4 While in the mitral counterpart techniques addressing the subvalvular apparatus are widely used, this approach is not commonly adopted for severe functional tricuspid regurgitation (FTR), despite the fact it would be intuitive and justified from the physiological perspective.
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