Progress in Catheter Ablation
Clinical Application of New Mapping and Ablation Technology
(Sprache: Englisch)
Catheter ablation is widely accepted as an effective and safe form of therapy for cardiac arrhythmia. In many instances this curative procedure is considered as the first line of therapy if not the ultimate treatment of choice. With the use of...
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Catheter ablation is widely accepted as an effective and safe form of therapy for cardiac arrhythmia. In many instances this curative procedure is considered as the first line of therapy if not the ultimate treatment of choice. With the use of radiofrequency (RF) modality; which has revolutionized the technology from a barotraumatic, potentially injurious procedure using high voltage, direct-current (DC) shock to a safe and relatively painless one; catheter ablation procedure now carries a very low risk and is extremely effective for certain types of arrhythmia. Its efficacy rate in curing supraventricular tachycardia involving an accessory pathway or dual atrioventricular nodal pathways has been near perfect and its application for certain types of atrial and ventricular arrhythmia have also been very satisfactory. However, conventional RF ablation has several well known limitations, most notably is its ability to only produce relatively small, point lesions; rendering it effective only for an arrhythmia with a small and/or a superficial target. It was soon recognized that the technology would not likely to have significant utility in arrhythmia with a more widespread target such as atrial fibrillation or those which involve scarred and deep myocardial tissue such as ventricular tachycardia. Indeed, the application of conventional RF technology in these complex but common arrhythmia has yielded unsatisfactory results.
Enthusiasm from the past notable successes with RF ablation and the demand for better therapy for the complex but common arrhythmias has carried forward the progress of catheter ablation technology. In the past few years, there has been significant progress in the development of better mapping and ablative techniques. Such progress has resulted in a steady improvement in the success of ablation of more complex atrial and ventricular tachyarrhythmias as well as our knowledge of their anatomy and pathophysiology. However, enthusiasm for finding the ideal tools for the cure of complex arrhythmias has also resulted in a proliferation of changes in catheter designs, mapping apparatus, and heat energy sources. The clinician nowadays is faced with a wide and often confusing choice of new instruments and methods of ablation. There are few, if any, comparative studies involving the various new tools, nor is there any compilation of data on any specific new discovery. It is timely to provide ourselves with a review of available data on the progress of new technology in order to enhance our knowledge and to concentrate our efforts into the development of an ultimate practical and yet effective methodology.
The purpose of this publication is to provide a forum in which the authors can present their experience, even if only in its preliminary stages, in the respective field or technology. Various technological advancements in mapping and ablation as well as the improved understanding of the pathophysiology of the various arrhythmias are presented. The authors are selected for their interest and expertise on the subject. Each topic is presented in a concise form and with relevance to the development of new technology. The authors are encouraged to provide their opinion on the issues to stimulate further discussion and investigation. We hope that this publication will also stimulate further growth in this exciting field of cardiac electrophysiology.
The purpose of this publication is to provide a forum in which the authors can present their experience, even if only in its preliminary stages, in the respective field or technology. Various technological advancements in mapping and ablation as well as the improved understanding of the pathophysiology of the various arrhythmias are presented. The authors are selected for their interest and expertise on the subject. Each topic is presented in a concise form and with relevance to the development of new technology. The authors are encouraged to provide their opinion on the issues to stimulate further discussion and investigation. We hope that this publication will also stimulate further growth in this exciting field of cardiac electrophysiology.
Inhaltsverzeichnis zu „Progress in Catheter Ablation “
I. Challenges in Catheter Ablation.- 1 The Arrhythmogenic Substrate in Ischemic and Non-Ischemic Cardiomyopathies. Structural and Functional Basis of Ventricular Arrhythmias.- 2 Anatomy and Electrophysiology of the AV Junction and Coronary Sinus.- 3 Anatomy of the Tricuspid Cavo Isthmus.- 4 Arrhythmias Following Repair of Congenital Heart Disease. Background and Scope of the Problem.- 5 Catheter Mapping and Ablation Technology. Limitations of Conventional Methods and Challenges of Newer Technology.- II. Newer Mapping Techniques.- 6 Utility of Orthogonal Electrodes in Radiofrequency Ablation. Discriminate Near-Field Sensing.- 7 Mapping Techniques in Patients with Paroxysmal Atrial Fibrillation Originating from the Pulmonary Vein.- 8 Pulmonary Venous Angiography.- 9 Ultrasonic Guidance for Radiofrequency Ablation.- 10 Mapping Using the LocaLisa System.- 11 Electroanatomical Mapping Using the CARTO® System. Technical Concepts, Validation, and Basic Application.- 12 Three Dimensional Reconstruction (CARTO®) in Patients with Congenital Heart Disease.- 13 Endocardial Mapping Using Real Time Three Dimensional Ultrasound-Ranging Tracking System. Results of In-Vitro, In-Vivo, and Clinical Studies.- 14 Endocardial Contact Mapping Using Multipolar Basket Electrode Catheters.- 15 Endocardial Global Noncontact Mapping (EnSiteTM).- 16 Endocardial Noncontact Mapping in Pediatric and Grown Up Congenital Heart Arrhythmias.- III. Newer Ablation Approaches and Modalities.- 17 The Advantages and Disadvantages of Creating Large Radiofrequency Ablation Lesions.- 18 New Concepts in Radiofrequency Energy Delivery and Coagulum Reduction During Catheter Ablation. Energy Delivery Management and a Quantitative Measure for Estimating the Probability of Coagulum Formation During RadiofrequencyAblation.- 19 Cooled Radiofrequency Catheter Ablation.- 20 Radiofrequency Ablation Using Porous Tip Electrode.- 21 Radiofrequency Atrial Linear Ablation Using Microcatheters.- 22 Radiofrequency Linear
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Ablation Using Looped Multipolar Catheters.- 23 Epicardial Mapping and Ablation to Treat Sustained Ventricular Tachycardia.- 24 Transcatheter Cryoablation.- 25 Photoablation of Ventricular Arrhythmias. Past Results and Future Applications to Ventricular and Other Arrhythmias.- 26 Transcatheter Microwave Ablation.- 27 Pulmonary Venous Ablation Using Circumferential Ultrasonic Energy.- 28 Current Progress of Ablation of Focal Atrial Fibrillation.- 29 Use of Cardiopulmonary Support for Catheter Ablation of Hemodynamically-Unstable Ventricular Tachycardia.- IV. Arrhythmia Surgery.- 30 Current Status of Surgical Treatment for Atrial Fibrillation.- 31 Utility of Radiofrequency Ablation in Atrial Fibrillation Surgery.- 32 Utility of Microwave Ablation for the Intraoperative Treatment of Atrial Fibrillation.- V. Future Perspective.- 33 The Future of Catheter Mapping and Ablation.- 34 A Retrospective Musing on Surgery for Cardiac Arrhythmias.- Color Plates.
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Bibliographische Angaben
- 2012, Softcover reprint of the original 1st ed. 2001, XVII, 590 Seiten, Maße: 15,6 x 23,4 cm, Kartoniert (TB), Englisch
- Herausgegeben: Liong Bing Liem, Eugene Downar
- Verlag: Springer Netherlands
- ISBN-10: 9048158826
- ISBN-13: 9789048158829
Sprache:
Englisch
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