Provisional Closure of an Iatrogenic Atrial Septal Defect for Shunt Reversal After Transcatheter Treatment of Tricuspid Regurgitation.

We present a patient with severe TR who underwent transcatheter tricuspid valve repair (TTVR) using the MitraClip system, with the development of LR shunt through an iatrogenic ASD. Provisional occlusion of ASD after TTVR should be considered in patients with residual LR shunt and iatrogenic ASD.