Venous Closure System After AF Ablation

Inclusion Criteria: 1. Age ≥19 years or legal age to provide informed consent under Korean law. 2. Scheduled for atrial fibrillation catheter ablation using unilateral femoral venous access with a sheath ≥8 Fr. 3. Bilateral femoral venous anatomy suitable for application of the Perclose ProGlide™ suture-based vascular closure device. 4. Written informed consent and agreement to post-procedural follow-up and outpatient visits. 5. Considered able to complete follow-up during the study period. Exclusion Criteria: 1. History of prolonged hospitalization due to vascular access-related complications. 2. History of vascular surgery involving the lower extremities or aorto-iliac axis. 3. Bleeding tendency (e.g., coagulation disorder or bleeding diathesis) or abnormal coagulation state (e.g., hypercoagulable state). 4. Platelet count \<100,000/mm³. 5. History of deep vein thrombosis, pulmonary embolism, or thrombophlebitis. 6. Moderate or greater anemia (hemoglobin ≤10 g/dL). 7. Hemodynamic or electrical instability. 8. Body mass index \>45 kg/m² or \<20 kg/m². 9. Severe renal impairment (eGFR \<30 mL/min/1.73 m²), except for patients receiving renal replacement therapy. 1\. History of prolonged hospitalization due to vascular access-related complications. 2\. History of vascular surgery involving the lower extremities or aorto-iliac axis. 3\. Bleeding tendency (e.g., coagulation disorder or bleeding diathesis) or abnormal coagulation state (e.g., hypercoagulable state). 4\. Platelet count \<100,000/mm³. 5. History of deep vein thrombosis, pulmonary embolism, or thrombophlebitis. 6. Moderate or greater anemia (hemoglobin ≤10 g/dL). 7. Hemodynamic or electrical instability. 8. Body mass index \>45 kg/m² or \<20 kg/m². 9. Severe renal impairment (eGFR \<30 mL/min/1.73 m²), except for patients receiving renal replacement therapy.