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Epicardial Microwave Application in Chronic Atrial Fibrillation Surgery
Journal of Korean Medical Science ; : 727-731, 2005.
Article in English | WPRIM | ID: wpr-176556
ABSTRACT
The search for alternative epicardial energy sources in the treatment of nonvalvular atrial fibrillation (AF) is a relatively new aspect of the evolving spectrum of Maze operations. We tested the hypothesis that epicardial microwave ablation produces identical results to those of the standard cryosurgical Maze. Fourteen consecutive patients with chronic AF underwent on-pump epicardial Maze procedures after routine cardiac surgery. The results were compared with those of 14 control patients selected from our Maze database of 280 patients. There were no differences in age, sex, cardiothoracic ratio, duration of AF, pump time, intensive care unit or hospital stays. The aortic cross clamp time with epicardial microwave was, however, shortened from 110 to 65 minutes (p=0.011). The recurrence rate of AF after discharge showed no significant difference between the two groups (14% vs. 15%, p=0.841). Epicardial microwave ablation might be a valuable alternative to the conventional cryosurgical Maze procedure, especially for those patients without associated mitral valve disease.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pericardium / Prognosis / Recurrence / Atrial Fibrillation / Chronic Disease / Risk Factors / Treatment Outcome / Sex Distribution / Age Distribution / Risk Assessment Type of study: Etiology study / Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Journal of Korean Medical Science Year: 2005 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pericardium / Prognosis / Recurrence / Atrial Fibrillation / Chronic Disease / Risk Factors / Treatment Outcome / Sex Distribution / Age Distribution / Risk Assessment Type of study: Etiology study / Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Journal of Korean Medical Science Year: 2005 Type: Article