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Design and Validation of a High-Fidelity Left Atrial Cardiac Simulator for the Study and Advancement of Left Atrial Appendage Occlusion.
Cardiovasc Eng Technol
January 2025
Institute for Medical Engineering and Science, Massachusetts Institute of Technology, MA, Cambridge, USA.
Purpose: Atrial fibrillation (AF) is the most common chronic cardiac arrhythmia that increases the risk of stroke, primarily due to thrombus formation in the left atrial appendage (LAA). Left atrial appendage occlusion (LAAO) devices offer an alternative to oral anticoagulation for stroke prevention. However, the complex and variable anatomy of the LAA presents significant challenges to device design and deployment.
View Article and Find Full Text PDFSafety and effectiveness of pulsed field ablation for pulmonary vein isolation in atrial fibrillation patients: One-year single center experience.
Rev Port Cardiol
January 2025
Cardiology Department, Hospital Santa Cruz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal.
Introduction And Objectives: Pulmonary vein (PV) isolation is one of the cornerstones of rhythm-control therapy for symptomatic atrial fibrillation (AF) patients. Pulsed field ablation (PFA) is a novel ablation modality that involves the application of electrical pulses causing cellular death, and it has preferential tissue specificity. In this study, we aimed to share a one-year single center experience of AF ablation with PFA.
View Article and Find Full Text PDFPacing and Ablation Technique Using Microelectrode for Pulmonary Vein Isolation Using a Local Impedance-Guided Catheter.
Pacing Clin Electrophysiol
January 2025
Department of Cardiology, Saitama Medical University, International Medical Center, Hidaka, Saitama, Japan.
Background: The IntellaNav MiFi OI catheter (MiFi) is equipped with a sensor for local impedance (LI) monitoring and three mini-electrodes. In this study, we investigated the target LI values for a successful pulmonary vein isolation (PVI) under the pacing and ablation technique using the MiFi catheter.
Methods: Twenty-seven patients underwent PVI using the MiFi catheter under mini electrode pacing from the MiFi catheter.
Risk factors analysis and nomogram model construction for postoperative atrial fibrillation after off-pump coronary artery bypass grafting.
Pak J Med Sci
January 2025
Zhuqing Ji Department of Medicine Oncology, The Affiliated Huai'an 1st People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province 223300, P.R. China.
Objective: To explore the risk factors associated with postoperative atrial fibrillation (POAF) after off-pump coronary artery bypass grafting (OPCABG) and to construct a nomogram predictive model.
Methods: In this retrospective cohort study, clinical data of 193 patients who received OPCABG in Huai'an First People's Hospital Affiliated to Nanjing Medical University from June 2021 to November 2023 were retrospectively analyzed. Based on the established diagnosis of POAF, patients were divided into the POAF group (n=75) and the non-POAF group (n=118).
Outcomes of Combined Left Atrial Appendage Occlusion and Transcatheter Mitral Edge-to-Edge Repair: The WATCH-TEER Study.
JACC Adv
February 2025
Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA.
Background: Up to 50% of patients undergoing mitral transcatheter edge-to-edge repair (MTEER) have an indication for left atrial appendage occlusion (LAAO). However, prospective evaluation of this strategy is lacking.
Objectives: The aim of the study was to prospectively evaluate the outcomes of combined LAAO and MTEER.
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