Intervention for AF in Patients With VHD 1. Ad N, Henry L, Hunt S, et al. Do we increase the operative risk by add- ing the Cox Maze III procedure to aortic valve replacement and coronary artery bypass surgery? J Thorac Cardiovasc Surg. 2012;143:936 44. 2. Badhwar V, Rankin JS, Damiano RJ Jr, et al. The Society of Thoracic Sur- geons 2017 clinical practice guidelines for the surgical treatment of atrial fibrillation. Ann Thorac Surg. 2017;103:329 41. 3. Ad N, Holmes SD, Pritchard G, et al. Association of operative risk with the outcome of concomitant Cox Maze procedure: a comparison of results across risk groups. J Thorac Cardiovasc Surg. 2014;148:3027 33. 4. Ad N, Holmes SD, Rongione AJ, et al. The long-term safety and efficacy of concomitant Cox maze procedures for atrial fibrillation in patients without mitral valve disease. J Thorac Cardiovasc Surg. 2019;157:1505 14. 5. Gillinov AM, Bakaeen F, McCarthy PM, et al. Surgery for paroxysmal atrial fibrillation in the setting of mitral valve disease: a role for pulmonary vein isolation? Ann Thorac Surg. 2006;81:19 26. 6. Gillinov AM, Gelijns AC, Parides MK, et al. Surgical ablation of atri- al fibrillation during mitral-valve surgery. N Engl J Med. 2015;372: 1399 409. 7. Abreu Filho CA, Lisboa LA, Dallan LA, et al. Effectiveness of the maze procedure using cooled-tip radiofrequency ablation in patients with per- manent atrial fibrillation and rheumatic mitral valve disease. Circulation. 2005;112:I20 5. 8. Akpinar B, Guden M, Sagbas E, et al. Combined radiofrequency modified maze and mitral valve procedure through a port access approach: early and mid-term results. Eur J Cardiothorac Surg. 2003;24:223 30. 9. Chua YL, Schaff HV, Orszulak TA, et al. Outcome of mitral valve repair in patients with preoperative atrial fibrillation. Should the maze proce- dure be combined with mitral valvuloplasty? 