Why the study?
Does temperature-controlled radiofrequency ablation with the QDM catheter in vHPSD mode provide efficient and safe pulmonary vein isolation in subjects with paroxysmal atrial fibrillation?
Does temperature-controlled radiofrequency ablation with the QDM catheter in vHPSD mode provide efficient and safe pulmonary vein isolation in subjects with paroxysmal atrial fibrillation?
Very high-power short-duration temperature-controlled radiofrequency ablation using the QDOT MICRO catheter is an efficient and safe modality for treating paroxysmal atrial fibrillation.
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Supports QDM vHPSD ablation feasibility in paroxysmal AF; leaves open randomized confirmation before practice change.
Temperature-controlled paroxysmal AF ablation with the novel QDM catheter in vHPSD mode (90 W, ≤4 seconds), alone or with CPTC mode (25 to 50 W), is highly efficient and effective without compromising safety. (Evaluation of QDOT MICRO Catheter for Pulmonary Vein Isolation in Subjects With Paroxysmal Atrial Fibrillation [Q-FFICIENCY]; NCT03775512).
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Osorio et al. (2023) studied this question.
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