Microwave and radiofrequency ablation yield similar success rates for treatment of chronic atrial fibrillation1

Wisser, Wilfried; Khazen, Cäsar; Deviatko, Elena; Stix, Günter; Binder, Thomas; Seitelberger, Rainald; Schmidinger, Herwig; Wolner, Ernst

doi:10.1016/j.ejcts.2004.01.050

Cited by 52 publications

(33 citation statements)

References 26 publications

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“…The basic concept has been widely received. Major modifications have supplanted the traditional 'cut-and-sew' with cryoablation [8,18,20], microwave [13] and radiofrequency [6,14], or mini-maze [16,17] and radial maze [15], with the continued goal of durable results in maintaining optimal cardiac function under sinus rhythm by rapid and safe surgical interventions. In this series of patients, we mainly used three kinds of maze procedures in 13 years; Cox-maze III, Kosakai maze and cryo-maze.…”

Section: Discussionmentioning

confidence: 99%

“…Several researchers have reported that combining maze procedure with mitral valve surgery has advantages with regard to survival [8], cardiac function [9,10], and stroke incidence [11,12]. At the same time, various modifications over the past decade have improved and refined the maze procedure [6,[12][13][14][15][16][17][18][19][20][21]. This has enabled surgeons to perform maze procedures rapidly and safely.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The impact of mitral valve surgery combined with maze procedure☆

Itoh

Kobayashi

Bando

et al. 2006

European Journal of Cardio-Thoracic Surgery

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The impact of mitral valve surgery combined with maze procedure☆

Itoh

Kobayashi

Bando

et al. 2006

European Journal of Cardio-Thoracic Surgery

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“…The cure rate at 1 year has remained at over 90% [27]. Other authors have used different energy sources with similar results [29][30][31][32][33]. The full lesion set can be performed through a right minithoracotomy, and can be achieved for any of the ablation devices.…”

Section: Opinion Statementmentioning

confidence: 95%

Surgical and minimally invasive ablation for atrial fibrillation

Damiano

Voeller²

2006

Curr Treat Options Cardio Med

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The Cox-Maze procedure, first introduced in 1987, has been the gold standard for the surgical treatment of atrial fibrillation. At 10 years, over 90% of patients remain free from atrial fibrillation. The procedure has been shown to be effective at eliminating the incidence of late stroke in this high-risk population. The development of new ablation technologies has greatly simplified and shortened the Cox-Maze procedure without sacrificing efficacy. These technologies have spurred interest in the development of new, simpler operations for the surgical treatment of atrial fibrillation that can be performed through minimal access and, in some instances, off of cardiopulmonary bypass. The early results with these more limited procedures on the whole have not been as good as with the Cox-Maze procedure, but they are promising. There are many problems with the development of a truly minimally invasive procedure with high efficacy. When patients are referred for surgery, there is no information available regarding the mechanisms of their atrial fibrillation. Thus, it is impossible to tailor the ablation to the individual patient. Future progress will require better understanding of the mechanisms of atrial fibrillation, and the development and refinement of clinical diagnostic technology that will allow for better preoperative diagnosis.

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“…In a prospective randomized trial, Schuetz and colleagues [38] used a combination of microwave ablation and atrial size reduction to restore sinus rhythm in 80% of patients presenting with permanent atrial fibrillation. In another study, microwave and unipolar radiofrequency produced equivalent results (80% freedom from AF at 1 year) when used to create the Cox-Maze III lesion set [39]. …”

Section: Surgical Treatment Optionsmentioning

confidence: 99%

Surgical Treatment of Atrial Fibrillation: A Review

Hiari

2011

Cardiology Research and Practice

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Atrial fibrillation is the most commonly sustained arrhythmia in man. While it affects millions of patients worldwide, its incidence will markedly increase with an aging population. Primary goals of AF therapy are to (1) reduce embolic complications, particularly stroke, (2) alleviate symptoms, and (3) prevent long-term heart remodelling. These have been proven to be a challenge as there are major limitations in our knowledge of the pathological and electrophysiological mechanisms underlying AF. Although advances continue to be made in the medical management of this condition, pharmacotherapy is often unsuccessful. Because of the high recurrence rate of AF despite antiarrhythmic drug therapy for maintenance of sinus rhythm and the adverse effects of these drugs, there has been growing interest in nonpharmacological strategies. Surgery for treatment of AF has been around for some time. The Cox-Maze procedure is the gold standard for the surgical treatment of atrial fibrillation and has more than 90% success in eliminating atrial fibrillation. Although the cut and sew maze is very effective, it has been superseded by newer operations that rely on alternate energy sources to create lines of conduction block. In addition, the evolution of improved ablation technology and instrumentation has facilitated the development of minimally invasive approaches. In this paper, the rationale for surgical ablation for atrial fibrillation and the different surgical techniques that were developed will be explored. In addition, it will detail the new approaches to surgical ablation of atrial fibrillation that employ alternate energy sources.

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Microwave and radiofrequency ablation yield similar success rates for treatment of chronic atrial fibrillation1

Abstract: The combination of complex valve surgery and Maze procedure was safe and reproducible. Following the Cox Maze III line concept, microwave and radiofrequency ablation gave similar results even in patients with more complex double or triple valve procedures.

Cited by 52 publications

References 26 publications

The impact of mitral valve surgery combined with maze procedure☆

The impact of mitral valve surgery combined with maze procedure☆

Surgical and minimally invasive ablation for atrial fibrillation

Surgical Treatment of Atrial Fibrillation: A Review

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