Catheter Ablation of Cardiac Arrhythmias: Past, Present and Future

Dear Colleagues,

This Special Issue aims to provide a comprehensive overview of technological advances in electrophysiology, focusing on understanding signal analysis, the energy sources used to treat arrhythmias and the need to minimize the use of ionizing radiation. By linking historical background, current standards, and emerging trends, this issue provides an educational resource for electrophysiologists and early-career cardiologists. Rapid advances in diagnostic and treatment capabilities, such as new catheters (including multi-electrode and micro-electrode), signal analysis algorithms and 3D reconstructions of the cardiac cavity, have revolutionized the field. However, the complexity of these advances requires a critical understanding of their foundations, mechanisms, and implications. This issue will cover topics such as electrogram analysis, the impact of electrode size and contact on signal quality, high-resolution mapping (when really needed) and automatic annotation methods. It will also explore the evolution of the various energy sources used in the treatment of arrhythmias, such as DC shocks, radiofrequency ablation, cryoablation and electroporation, focusing on the potential of electroporation as a controlled DC shock and a possible reference energy in the near future. This Special Issue will also devote a section to examining strategies for minimizing exposure to ionizing radiation, addressing the risks to patients and medical staff.

By emphasizing the importance of understanding past technologies to grasp the potential of future innovations, this Special Issue aims to ensure the advancement of electrophysiology while fostering an environment of safety and innovation through knowledge and understanding.

Prof. Dr. Olivier Xhaet
Guest Editor

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• electrophysiology
• diagnostic catheters
• basic of signal analysis
• automatic signal analysis
• arrhythmia treatment
• ionizing radiation reduction
• 3D cardiac reconstruction
• AI in signal interpretation
• sources of energy
• electroporation