Document Detail

Atrial ablation for the surgical treatment of atrial fibrillation: principles and limitations.
MedLine Citation:
PMID:  15151645     Owner:  NLM     Status:  MEDLINE    
This article reviews the development of procedures designed to eradicate atrial fibrillation by creating nonincisional lesions in the atria. Percutaneous interventional and surgical data are reviewed and analyzed. A major limitation of the surgical approaches, which utilize a variety of energy sources, appears to be the difficulty in achieving transmurality in all patients. A second limitation is related to a poor understanding of the underlying mechanisms of atrial fibrillation, and the consequent uncertainty as to the ideal lesion configurations necessary to counter these mechanisms. The article also discusses the various types of clinical atrial fibrillation, and discusses the differences between endocardial and epicardial application of thermal energy sources. Finally, atrial contractility is addressed, and the authors conclude that the ideal procedure will achieve a balance between conversion to normal sinus rhythm and the preservation of atrial contractility.
João Q Melo; Teresa Santiago; Rosa H Gouveia; Ana P Martins
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Journal of cardiac surgery     Volume:  19     ISSN:  0886-0440     ISO Abbreviation:  J Card Surg     Publication Date:    2004 May-Jun
Date Detail:
Created Date:  2004-05-20     Completed Date:  2004-11-06     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  8908809     Medline TA:  J Card Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  207-10     Citation Subset:  IM    
SantaCruz Hospital, Carnaxide, Portugal.
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MeSH Terms
Atrial Fibrillation / classification,  physiopathology,  surgery*
Atrial Function / physiology
Bioelectric Energy Sources
Catheter Ablation*
Heart Atria / physiopathology
Myocardial Contraction / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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