Cryoballoon ablation using the sheath‐in‐sheath technique in a patient with a tortuous common iliac vein

Abstract

Key Clinical Message The sheath‐in‐sheath technique, utilizing a 15Fr cryoballoon delivery sheath inserted into a 25 cm 16Fr sheath, effectively navigates tortuous iliac veins during cryoballoon ablation for atrial fibrillation, ensuring safe delivery and maintaining essential device performance without complications.

Keywords

• catheter ablation
• cryoballoon
• sheath‐in‐sheath technique
• tortuous vein