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NCT05841615
The close relationship between the increase of sympathetic tension, AF, and HTN cannot be ignored. In addition, the significant failure rate of PVI (20-50%) in the treatment of AF makes it very necessary to explore the effect of RDN on AF. Therefore, this study aims to compare the effects and safety of PVI alone and PVI combined with RDN with AF combined with HTN, which will open a new chapter for PVI combined with RDN in the treatment of AF.
NCT03750435
Atrial fibrillation is the most common arrhythmia but can be treated by a catheter procedure where specialized wires (so-called catheters) are inserted in the left upper heart chamber. This requires crossing the wall between the right and left atrium with a long needle (a so-called transseptal puncture or TSP). This is typically done using x-ray guidance or echo to check if the needle is in the right position. The investigators developed a method to do the TSP without x-rays using a specialized needle that can be also shown as a little icon on the 3D electroanatomical mapping system (CARTO).3D mapping systems are routinely used to track the location of the catheters in cath labs worldwide, but the position of the needle was not tracked yet. The investigators seek to demonstrate that these procedures can be carried out safely, successfully and in a reproducible fashion without any radiation by taking advantage of "faking" the isolated tip of the needle as a catheter on the 3D mapping system. The results will be compared with historic procedures done by the same operator in the years 2012-2017.