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| http://dx.doi.org/10.5603/CJ.a2020.0172 | DOI Listing |
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Trans-Coronary Sinus Intra-Septal Radiofrequency Ablation (TIRA) for Hypertrophic Obstructive Cardiomyopathy: First-in-Human Results.
Biomedicines
December 2024
Department of Internal Medicine, Pusan National University School of Medicine and Cardiology, Cardiovascular Center and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea.
Background: Current treatments for hypertrophic obstructive cardiomyopathy (HOCM), including medication, surgery, and alcohol septal ablation (ASA), have limitations in terms of efficacy and safety. To address these challenges, we developed the trans-coronary intra-septal radiofrequency ablation (TIRA) device.
Methods: This first-in-human trial was conducted to assess the efficacy and safety of the TIRA device.
First-in-human: Leaflet laceration with balloon mediated annihilation to prevent coronary obstruction with radiofrequency needle (LLAMACORN) for valve-in-valve transcatheter aortic valve replacement.
Catheter Cardiovasc Interv
November 2024
Department of Cardiology, Princess Alexandra Hospital, Brisbane, Australia.
Coronary obstruction (CO) is a potential pitfall for transcatheter aortic valve replacement (TAVR), especially in valve in valve procedures into degenerated surgical or transcatheter prostheses. Bioprosthetic leaflet modification techniques that incorporate electrosurgery are evolving as the preferred strategy to mitigate the risk of CO in high CO risk settings. The UNICORN method is proposed as a more predictable leaflet modification strategy than the earlier described BASILICA approach, but its proponents have hitherto mandated the use of a balloon-expandable valve (BEV) prosthesis.
View Article and Find Full Text PDFTransvenous Radiofrequency Catheter Ablation for an Aldosterone-Producing Tumor of the Left Adrenal Gland: A First in Human Case Report.
Cardiovasc Intervent Radiol
December 2023
Diagnostic Radiology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-Machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.
Purpose: To describe a novel technique of transvenous radiofrequency catheter ablation of an aldosterone-producing adenoma (APA) of the left adrenal gland using the GOS System (Japan Lifeline, Tokyo, Japan). Using the GOS system, a flexible radiofrequency tip catheter can be inserted into the adrenal central and tributary veins, the drainers for functional tumors.
Materials And Methods: An APA at the left adrenal gland, which was diagnosed by segmental adrenal venous sampling following administration of 0.
Pulsed field ablation for pulmonary vein isolation: Preclinical safety and effectiveness of a novel hexaspline ablation catheter.
J Cardiovasc Electrophysiol
November 2023
Department of Arrhythmia, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing, China.
Background: Pulsed-field ablation (PFA) has emerged as a nonthermal energy source for cardiac ablation, with potential safety advantages over radiofrequency ablation (RFA) and cryoballoon ablation.
Objective: To report the preclinical results of a novel hexaspline PFA catheter for pulmonary vein isolation (PVI), and to verify the influence of PFA on esophagus by comparing with RFA.
Methods: This study included a total of 15 canines for the efficacy and safety study and four swine for the esophageal safety study.
Single accessory pathway with multiple insertions? First-in-human 3D visualization using dipole charge density mapping: a case report.
Eur Heart J Case Rep
September 2023
Department of Clinical Electrophysiology, Erasmus Medical Center, Doctor Molewaterplein 40, Rotterdam 3015 GD, The Netherlands.
Article Synopsis
- A novel dipole charge density mapping (DCDM) system was used to visualize a single accessory pathway (AP) with dual atrial insertion sites during catheter ablation in a 43-year-old man with recurrent tachycardia.
- The DCDM identified two early atrial activation points, confirming the presence of the complex AP structure, leading to successful treatment.
- This case suggests that accessory pathways may have more complex anatomical variations than previously thought, highlighting the potential for improved mapping techniques in arrhythmia management.
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