Heart Failure Clinical Trial
Official title:
Personalized Atrial Septostomy With Combined Use of Radiofrequency-ablation and Balloon-dilation: First-in-human Study in Heart Failure
This study aims to investigate the safety and efficacy of personalized atrial septostomy (PAS) with combined use of radiofrequency-ablation and balloon-dilation (CURB) in heart failure with reduced ejection fraction (HFrEF) and heart failure with preserved ejection fraction (HFpEF).
Atrial septostomy is an important palliative therapy in heart failure with reduced ejection fraction (HFrEF) and heart failure with preserved ejection fraction (HFpEF) . Though the safety of balloon atrial septostomy (BAS) is satisfactory, the incidence of spontaneous closure is higher, which limits the clinical utilization of this procedure. The device-implantation improves the long-term patency. However, the created fenestration is limited with fixed size and it is further complicated with the potential device-related complications. Radiofrequency catheter ablation (RFA) has the potential to cause irreversible damage around the rim of fenestration created with BAS, which might prevent the re-adhesion of the septal remnants. In addition, RFA on fossae ovalis might reduce the elastic recoil of local tissue and contribute to create larger inter-atrial fenestration with same BAS procedure. Therefore, the combined use of radiofrequency-ablation and balloon-dilation (CURB) might become a novel procedure to create a stable inter-atrial fenestration. In this study, the adult patients who have HFrEF and HFpEF refractory to medical therapy may be eligible for this study. ;
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