Should the maze proce- dure be combined with mitral valvuloplasty? J Thorac Cardiovasc Surg. 1994;107:408 15. 10. Deneke T, Khargi K, Grewe PH, et al. Efficacy of an additional MAZE pro- cedure using cooled-tip radiofrequency ablation in patients with chronic atrial fibrillation and mitral valve disease. A randomized, prospective trial. Eur Heart J. 2002;23:558 66. 11. Jessurun ER, van Hemel NM, Defauw JJ, et al. A randomized study of combining maze surgery for atrial fibrillation with mitral valve surgery. J Cardiovasc Surg (Torino). 2003;44:9 18. 12. Rankin JS, Grau-Sepulveda MV, Ad N, et al. Associations between surgical ablation and operative mortality after mitral valve procedures. Ann Thorac Surg. 2018;105:1790 6. 13. Ad N, Holmes SD, Lamont D, et al. Left-sided surgical ablation for patients with atrial fibrillation who are undergoing concomitant cardiac surgical procedures. Ann Thorac Surg. 2017;103:58 65. 14. Huffman MD, Karmali KN, Berendsen MA, et al. Concomitant atrial fibril- lation surgery for people undergoing cardiac surgery. Cochrane Database Syst Rev. 2016;CD011814. 15. Huffman MD, Malaisrie SC, Karmali KN. Concomitant atrial fibrilla- tion surgery for people undergoing cardiac surgery. JAMA Cardiol. 2017;2:334 5. 16. Friedman DJ, Piccini JP, Wang T, et al. Association between left atrial appendage occlusion and readmission for thromboembolism among patients with atrial fibrillation undergoing concomitant cardiac surgery. JAMA. 2018;319:365 74. 17. Yao X, Gersh BJ, Holmes DR Jr, et al. Association of surgical left atrial ap- pendage occlusion with subsequent stroke and mortality among patients undergoing cardiac surgery. JAMA. 2018;319:2116 26. 18. Johnsrud DO, Melduni RM, Lahr B, et al. Evaluation of anticoagulation use and subsequent stroke in patients with atrial fibrillation after empiric surgical left atrial appendage closure: A retrospective case-control study. Clin Cardiol. 2018;41:1578 82. 19. Abrich VA, Narichania AD, Love WT, et al. 