1. Late outcomes after the Cox maze IV procedure for atrial fibrillation
Matthew C. Henn, MD, Timothy S. Lancaster, MD, Jacob R. Miller, MD, Laurie A. Sinn, RN, BSN, Richard B. Schuessler, PhD, Marc R. Moon, MD, Spencer J. Melby, MD, Hersh S. Maniar, MD, Ralph J. Damiano, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 150, Issue 5, Pages e2 (November 2015)
DOI: /j.jtcvs
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Standard (A) right and (B) left atrial lesion sets utilized for the CMPIV procedure. In the right atrium (A), radiofrequency ablation lines (white lines) extend from the superior to inferior vena cava, and along the right atrial free wall down to the tricuspid valve annulus. In the left atrium (B), all ablation lines are performed with a bipolar radiofrequency clamp, except for an endocardial cryoablation at the mitral annulus and an epicardial cryoablation over the coronary sinus. Full isolation of the posterior left atrium (blue area) by creating a “box lesion” was accomplished by adding a superior connecting lesion (black arrow) joining the right and left circumferential pulmonary vein ablations. The box lesion was added to the CMPIV lesion set in
(Figure modified with permission from Weimar and colleagues2).
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Freedom from (A) atrial tachyarrhythmias, and (B) atrial tachyarrhythmias without antiarrhythmia drugs in patients who underwent full posterior left atrial isolation (box lesion) and those who did not.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Freedom from (A) atrial tachyarrhythmias and (B) atrial tachyarrhythmias without antiarrhythmia drugs in patients with paroxysmal versus nonparoxysmal atrial fibrillation.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

5. Figure 4
Freedom from (A) atrial tachyarrhythmias and (B) atrial tachyarrhythmias without antiarrhythmia drugs in patients who underwent standalone CMPIV versus CMPIV with a concomitant procedure.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

6. Figure 5
Relationship between preoperative AF duration and the probability of ATA recurrence or AAD use at 5-year follow-up. ATA, Atrial tachyarrhythmia; AAD, antiarrhythmia drug; AF, atrial fibrillation.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

7. Freedom from atrial tachyarrhythmias was equivalent in those with paroxysmal versus nonparoxysmal atrial fibrillation.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions