 Several advantages and disadvantages could advocate for either the complete versus the incomplete ablation strategy: Performing the complete EP-guided linear PV isolation strategy might take longer mean duration 4.5 hours vs about 2 hours and could thereby potentially result in a higher risk of procedure-associated complications air embolism, thrombus formation, perforation. In addition, three transseptal sheaths might increase the risk of tamponade and might aggravate the ability to safely navigate catheters in the left atrium. Certainly, the procedure costs are higher, since in addition to the 3D mapping system two circular mapping catheters are mandatory to facilitate the lesion deployment and avoidance of intra-PV ablation. 