Key result
High-power short-duration Qdot+ ablation safely achieves fluoroscopy-free PVI and GP ablation.
Case Report (n=1)
No
The Qdot Micro catheter enables zero-fluoroscopy, high-power short-duration (4 seconds) ablation, potentially improving procedural efficiency and safety for atrial fibrillation ablation.
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Supports feasibility of zero-fluoroscopy ablation in a single case; leaves open generalizability and safety pending prospective trials.
In this report we present pulmonary vein and posterior box isolation together with the right superior ganglion plexus ablation using the Qdot Micro catheter without fluoroscopy.We describe different possibilities of this new technology for catheter ablation.The main advantages of this catheter to potentially increase ablation safety and effectiveness are discussed.Specifically, the possibility to perform high-density mapping with the lowest available distance between points.Furthermore, the possibility to decrease the risk of collateral tissue damage and to improve atrial linear lesions contiguity, transmurality and durability due to the dominance of resistive heating supported by the feedback temperature control.Finally, the possibility to shorten the procedure and fluoroscopy duration due to the high shortening of application duration to 4 seconds only.
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Koźluk et al. (2021) conducted a case report in Paroxysmal atrial fibrillation and concealed sinus node disease (n=1). High-power short-duration ablation with Qdot+ algorithm was evaluated on Procedural success and safety. High-power short-duration ablation using the Qdot+ algorithm successfully achieved pulmonary vein isolation and right superior ganglion plexus ablation without fluoroscopy or complications.
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