1. Intraoperative selection of clip type/single-clip/double-clip strategy; in certain special cases, especially those with FMR, a wide posterior leaflet tethering angle, and a short posterior leaflet, what considerations should be taken into account when selecting the clip?
2. What are the advantages of TA-TEER compared with TF-TEER?
3. How can TEER efficacy be predicted in patients with FMR?
4. How should residual regurgitation and valve orifice area be assessed during TEER?
5. Post-TEER management and anticoagulation strategies?