Case report
Open access
Sep 2026
Parallel Septal Balloon Occlusion for Acute Right-to-Left Shunt During Mitral Transcatheter Edge-to-Edge Repair.
BACKGROUND Mitral transcatheter edge-to-edge repair (M-TEER) requires large-bore transseptal puncture, creating an iatrogenic atrial septal defect (IASD). Right-to-left shunting across an IASD is rare but can cause significant hypoxemia in high-risk patients. CASE SUMMARY A 78-year-old man with nonischemic cardiomyop...
A. Radhakrishna, Ryan A. Karlsson, A. Duncan et al.
· JACC Case Reports · 0 citations