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The influence of postoperative mitral valve function on the late recurrence of atrial fibrillation after the maze procedure combined with mitral valvuloplasty 

Published byKristopher Lane Modified over 5 years ago

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Presentation on theme: "The influence of postoperative mitral valve function on the late recurrence of atrial fibrillation after the maze procedure combined with mitral valvuloplasty "— Presentation transcript:

1 The influence of postoperative mitral valve function on the late recurrence of atrial fibrillation after the maze procedure combined with mitral valvuloplasty  Joon Bum Kim, MD, Seung Hyun Lee, MD, Sung Ho Jung, MD, Sung Cheol Yun, PhD, Suk Jung Choo, MD, Cheol Hyun Chung, MD, Hyun Song, MD, Jae Won Lee, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 139, Issue 5, Pages (May 2010) DOI: /j.jtcvs Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Freedom from postoperative mitral valve (postop. MV) disease. Overall postoperative MV disease–free rates were 84.1% ± 2.7% at 3 years and 79.0% ± 3.4% at 5 years. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Freedom from atrial fibrillation (AF) without amiodarone (AMD). In the control group AF-free rates were 91.1% ± 2.3% at 3 years and 85.9% ± 3.4% at 5 years. In the disease group they were 81.1% ± 6.9% at 3 years and 65.2% ± 10.3% at 5 years. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 Postoperative changes in left atrial dimension (in millimeters). Left atrial size was significantly larger in the disease group than in the control group over a 6-month to 3-year period. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

5 Figure 4 Transmitral A-wave prevalence (A) and velocity (B). Beyond the immediate postoperative period, A-wave prevalence was maintained at greater than 80% up to 4 years. In intergroup comparisons the differences were found over a 2- to 3-year period, with a lower A-wave prevalence in the disease group. There were no significant differences in transmitral A-wave velocity between groups throughout the postoperative period. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

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