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THE JOURNAL OF CARDIOVASCULAR SURGERY
A Journal on Cardiac, Vascular and Thoracic Surgery
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
ORIGINAL ARTICLES CARDIAC SECTION
The Journal of Cardiovascular Surgery 2003 February;44(1):9-18
A randomized study of combining maze surgery for atrial fibrillation with mitral valve surgery
Jessurun E. R., Van Hemel N. M., Defauw J. J., Brutel De La Rivière A., Stofmeel M. A. M., Kelder J. C., Kingma J. H., Ernst J. M. P. G.
Departments of Cardiology and Cardio-Thoracic Surgery St. Antonius Hospital, Nieuwegein, The Netherlands
Aim. Mitral valve surgery seldom suppresses atrial fibrillation (AF), present prior to surgery. Maze III surgery eliminates AF in >80% of cases, the reason why combining this procedure with mitral valve surgery in patients with AF seems worthwhile. We prospectively studied the outcome of combining the Maze III procedure with mitral valve surgery.
Methods. Thirty-five patients with AF and a mean age of 64 years undergoing mitral valve surgery were prospectively randomized according to a 2.5:1 ratio to surgery with (n=25), or without (n=10) maze III and followed for at least 1 year.
Results. At discharge and after 12 months freedom from AF was 56% and 92%, respectively, in the maze group, and 0% and 20%, respectively, in patients without maze (group differences at discharge p=0.002, after 12 months p=0.0007). Sinus node incompetence was seen in 1 of 25 maze patients requiring pacing. No in-hospital or late death occurred; stroke was observed in 1 patient (without maze). Quality of life markedly improved after surgery, but did not differ between patients with or without maze surgery.
Conclusion. This first prospective randomized study shows that combining maze III with mitral valve surgery resulted in a significantly better elimination of preoperative AF than mitral valve surgery alone. As the quality of life did not differ between patients with, or without maze surgery, additional maze surgery is primarily recommended in patients in whom anticoagulation therapy can be avoided after surgery, specifically in patients with scheduled mitral valve plasty.