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ISRN Cardiology
Volume 2012 (2012), Article ID 606324, 12 pages
http://dx.doi.org/10.5402/2012/606324
Review Article

Minimally Invasive Surgical Therapies for Atrial Fibrillation

1Division of Cardiac Surgery, Department of Surgery, Lawson Health Research Institute, University of Western Ontario, London, ON, Canada
2Division of Cardiac Surgery, Department of Surgery, London Health Sciences Centre, B6-106 University Hospital, 339 Windermere Road, London, ON, Canada N6A 5A5

Received 8 February 2012; Accepted 4 March 2012

Academic Editors: R. Lazzara and E. Rodriguez

Copyright © 2012 Yoshitsugu Nakamura et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. American Heart Association, Heart disease and stroke statistics: 2004 update, American Heart Association, Dallas, Tex, USA, 2003.
  2. D. M. Lloyd-Jones, T. J. Wang, E. P. Leip et al., “Lifetime risk for development of atrial fibrillation: the framingham heart study,” Circulation, vol. 110, no. 9, pp. 1042–1046, 2004. View at Publisher · View at Google Scholar · View at Scopus
  3. E. J. Benjamin, P. A. Wolf, R. B. D'Agostino, H. Silbershatz, W. B. Kannel, and D. Levy, “Impact of atrial fibrillation on the risk of death: the Framingham Heart Study,” Circulation, vol. 98, no. 10, pp. 946–952, 1998. View at Scopus
  4. I. C. Van Gelder, H. J. Crijns, W. H. Van Gilst, R. Verwer, and K. I. Lie, “Prediction of uneventful cardioversion and maintenance of sinus rhythm from direct-current electrical cardioversion of chronic atrial fibrillation and flutter,” American Journal of Cardiology, vol. 68, no. 1, pp. 41–46, 1991. View at Publisher · View at Google Scholar · View at Scopus
  5. I. C. Van Gelder, V. E. Hagens, H. A. Bosker et al., “A comparison of rate control and rhythm control in patients with recurrent persistent atrial fibrillation,” New England Journal of Medicine, vol. 347, no. 23, pp. 1834–1840, 2002. View at Publisher · View at Google Scholar · View at Scopus
  6. J. M. Williams, R. M. Ungerleider, G. K. Lofland, and J. L. Cox, “Left atrial isolation. New technique for the treatment of supraventricular arrhythmias,” Journal of Thoracic and Cardiovascular Surgery, vol. 80, no. 3, pp. 373–380, 1980. View at Scopus
  7. G. M. Guiraudon, G. J. Klein, R. Yee, J. W. Leitch, R. R. Kaushik, and D. G. McLellan, “Surgery for atrial tachycardia,” PACE - Pacing and Clinical Electrophysiology, vol. 13, no. 12, pp. 1996–1999, 1990. View at Scopus
  8. J. L. Cox, R. B. Schuessler, H. J. D'Agostino et al., “The surgical treatment of atrial fibrillation: III. Development of a definitive surgical procedure,” Journal of Thoracic and Cardiovascular Surgery, vol. 101, no. 4, pp. 569–583, 1991. View at Scopus
  9. J. L. Cox, R. B. Schuessler, D. G. Lappas, and J. P. Boineau, “An 8 1/4 -year clinical experience with surgery for atrial fibrillation,” Annals of Surgery, vol. 224, no. 3, pp. 267–275, 1996. View at Publisher · View at Google Scholar · View at Scopus
  10. M. Haïssaguerre, P. Jaïs, D. C. Shah et al., “Spontaneous initiation of atrial fibrillation by ectopic beats originating in the pulmonary veins,” New England Journal of Medicine, vol. 339, no. 10, pp. 659–666, 1998. View at Publisher · View at Google Scholar · View at Scopus
  11. D. M. Cosgrove and J. F. Sabik, “Minimally invasive approach for aortic valve operations,” Annals of Thoracic Surgery, vol. 62, no. 2, pp. 596–597, 1996. View at Publisher · View at Google Scholar · View at Scopus
  12. L. H. Cohn, D. H. Adams, G. S. Couper et al., “Minimally invasive cardiac valve surgery improves patient satisfaction while reducing costs of cardiac valve replacement and repair,” Annals of Surgery, vol. 226, no. 4, pp. 421–428, 1997. View at Publisher · View at Google Scholar · View at Scopus
  13. K. V. Arom and R. W. Emery, “Minimally invasive mitral operations,” Annals of Thoracic Surgery, vol. 63, no. 4, pp. 1219–1220, 1997. View at Scopus
  14. J. S. Gammie, J. C. Laschinger, J. M. Brown et al., “A multi-institutional experience with the CryoMaze procedure,” Annals of Thoracic Surgery, vol. 80, no. 3, pp. 876–880, 2005. View at Publisher · View at Google Scholar · View at Scopus
  15. J. S. Gammie, P. Didolkar, L. S. Krowsoski et al., “Intermediate-term outcomes of surgical atrial fibrillation correction with the CryoMaze procedure,” Annals of Thoracic Surgery, vol. 87, no. 5, pp. 1452–1459, 2009. View at Publisher · View at Google Scholar · View at Scopus
  16. P. Khairy, P. Chauvet, J. Lehmann et al., “Lower incidence of thrombus formation with cryoenergy versus radiofrequency catheter ablation,” Circulation, vol. 107, no. 15, pp. 2045–2050, 2003. View at Publisher · View at Google Scholar · View at Scopus
  17. G. M. Comas, Y. Imren, and M. R. Williams, “An overview of energy sources in clinical use for the ablation of atrial fibrillation,” Seminars in Thoracic and Cardiovascular Surgery, vol. 19, no. 1, pp. 16–24, 2007. View at Publisher · View at Google Scholar · View at Scopus
  18. J. L. Cox and N. Ad, “The importance of cryoablation of the coronary sinus during the Maze procedure.,” Seminars in thoracic and cardiovascular surgery, vol. 12, no. 1, pp. 20–24, 2000. View at Scopus
  19. L. Harling, T. Athanasiou, H. Ashrafian, J. Nowell, and A. Kourliouros, “Strategies in the surgical management of atrial fibrillation,” Cardiology Research and Practice, vol. 2011, Article ID 439312, 14 pages, 2011. View at Publisher · View at Google Scholar
  20. M. Dubuk, P. Khairy, A. Rodoriguez-Santiago, et al., “Cathther ablation of the atrioventricular node in patients with atrial fibrillation: a novel technology for ablation of cardiac arrhythmias,” Journal of Cardiovascular Electrophysiology, vol. 12, no. 4, pp. 439–444, 2001.
  21. R. K. Wolf, E. W. Schneeberger, R. Osterday et al., “Video-assisted bilateral pulmonary vein isolation and left atrial appendage exclusion for atrial fibrillation,” Journal of Thoracic and Cardiovascular Surgery, vol. 130, no. 3, pp. 797–802, 2005. View at Publisher · View at Google Scholar · View at Scopus
  22. M. R. Epstein, L. D. Knapp, M. Martindill et al., “Embolic complications associated with radiofrequency catheter ablation,” American Journal of Cardiology, vol. 77, no. 8, pp. 655–658, 1996. View at Publisher · View at Google Scholar · View at Scopus
  23. A. M. Gillinov, G. Pettersson, and T. W. Rice, “Esophageal injury during radio-frequency ablation for atrial fibrillation,” The Journal of Thoracic and Cardiovascular Surgery, vol. 122, no. 6, pp. 1239–1240, 2001.
  24. N. Doll, M. A. Borger, A. Fabricius et al., “Esophageal perforation during left atrial radiofrequency ablation: Is the risk too high?” Journal of Thoracic and Cardiovascular Surgery, vol. 125, no. 4, pp. 836–842, 2003. View at Publisher · View at Google Scholar · View at Scopus
  25. W. Wisser, C. Khazen, E. Deviatko et al., “Microwave and radiofrequency ablation yield similar success rates for treatment of chronic atrial fibrillation,” European Journal of Cardio-Thoracic Surgery, vol. 25, no. 6, pp. 1011–1017, 2004. View at Publisher · View at Google Scholar · View at Scopus
  26. V. K. Topkara, M. R. Williams, F. H. Cheema et al., “Surgical ablation of atrial fibrillation: the Columbia Presbyterian experience,” Journal of Cardiac Surgery, vol. 21, no. 5, pp. 441–448, 2006. View at Publisher · View at Google Scholar · View at Scopus
  27. A. E. Saltman, L. S. Rosenthal, N. A. Francalancia, and S. J. Lahey, “A completely endoscopic approach to microwave ablation for atrial fibrillation,” The Heart Surgery Forum, vol. 6, no. 3, pp. E38–E41, 2003. View at Scopus
  28. E. Manasse, D. Medici, S. Ghiselli, D. Ornaghi, and R. Gallotti, “Left main coronary arterial lesion after microwave epicardial ablation,” Annals of Thoracic Surgery, vol. 76, no. 1, pp. 276–277, 2003. View at Publisher · View at Google Scholar · View at Scopus
  29. B. L. Hamman and T. T. Theologes, “Surgical treatment of atrial fibrillation with diode-pumped laser PA-C,” Proceedings (Baylor University. Medical Center), vol. 22, no. 3, pp. 230–233, 2009.
  30. J. Ninet, X. Roques, R. Seitelberger et al., “Surgical ablation of atrial fibrillation with off-pump, epicardial, high-intensity focused ultrasound: results of a multicenter trial,” Journal of Thoracic and Cardiovascular Surgery, vol. 130, no. 3, pp. 803.e1–803.e8, 2005. View at Publisher · View at Google Scholar · View at Scopus
  31. K. Neven, B. Schmidt, A. Metzner et al., “Fatal end of a safety algorithm for pulmonary vein isolation with use of High-intensity focused ultrasound,” Circulation: Arrhythmia and Electrophysiology, vol. 3, no. 3, pp. 260–265, 2010. View at Publisher · View at Google Scholar · View at Scopus
  32. R. Cappato, H. Calkins, S. A. Chen et al., “Worldwide survey on the methods, efficacy, and safety of catheter ablation for human atrial fibrillation,” Circulation, vol. 111, no. 9, pp. 1100–1105, 2005. View at Publisher · View at Google Scholar · View at Scopus
  33. S. Miyazaki, T. Kuwahara, A. Kobori et al., “Long-term clinical outcome of extensive pulmonary vein isolation-based catheter ablation therapy in patients with paroxysmal and persistent atrial fibrillation,” Heart, vol. 97, no. 8, pp. 668–673, 2011. View at Publisher · View at Google Scholar · View at Scopus
  34. E. Pokushalov, A. Romanov, G. Corbucci et al., “Ablation of paroxysmal and persistent atrial fibrillation: 1-year follow-up through continuous subcutaneous monitoring,” Journal of Cardiovascular Electrophysiology, vol. 22, no. 4, pp. 369–375, 2011. View at Publisher · View at Google Scholar · View at Scopus
  35. E. Rodriguez, R. C. Cook, M. W. A. Chu, and W. R. Chitwood, “Minimally invasive bi-atrial cryomaze operation for atrial fibrillation,” Operative Techniques in Thoracic and Cardiovascular Surgery, vol. 14, no. 3, pp. 208–223, 2009. View at Publisher · View at Google Scholar · View at Scopus
  36. T. Funatsu, J. Kobayashi, H. Nakajima, Y. Iba, Y. Shimahara, and T. Yagihara, “Long-term results and reliability of cryothermic ablation based maze procedure for atrial fibrillation concomitant with mitral valve surgery,” European Journal of Cardio-thoracic Surgery, vol. 36, no. 2, pp. 267–271, 2009. View at Publisher · View at Google Scholar · View at Scopus
  37. S. C. M. Moten, E. Rodriguez, R. C. Cook, L. W. Nifong, and W. R. Chitwood, “New ablation techniques for atrial fibrillation and the minimally invasive cryo-maze procedure in patients with lone atrial fibrillation,” Heart Lung and Circulation, vol. 16, no. 3, pp. S88–S93, 2007. View at Publisher · View at Google Scholar · View at Scopus
  38. H. Nakajima, J. Kobayashi, K. Bando et al., “The effect of cryo-maze procedure on early and intermediate term outcome in mitral valve disease: Case matched study,” Circulation, vol. 106, no. 13, pp. 46–50, 2002. View at Scopus
  39. R. J. Damiano and S. L. Gaynor, “Atrial fibrillation ablation during mitral valve surgery using the Atricure device,” Operative Techniques in Thoracic and Cardiovascular Surgery, vol. 9, no. 1, pp. 24–33, 2004. View at Publisher · View at Google Scholar · View at Scopus
  40. A. M. Lee, K. Clark, M. S. Bailey, A. Aziz, R. B. Schuessler, and R. J. Damiano, “A minimally invasive cox-maze procedure: operative technique and results,” Innovations, vol. 5, no. 4, pp. 281–286, 2010. View at Publisher · View at Google Scholar · View at Scopus
  41. R. J. Damiano, F. H. Schwartz, M. S. Bailey et al., “The Cox maze IV procedure: predictors of late recurrence,” Journal of Thoracic and Cardiovascular Surgery, vol. 141, no. 1, pp. 113–121, 2011. View at Publisher · View at Google Scholar · View at Scopus
  42. H. T. Sie, W. P. Beukema, A. Elvan, and A. R. Ramdat Misier, “Long-term results of irrigated radiofrequency modified maze procedure in 200 patients with concomitant cardiac surgery: six years experience,” Annals of Thoracic Surgery, vol. 77, no. 2, pp. 512–517, 2004. View at Publisher · View at Google Scholar · View at Scopus
  43. H. T. Sie, W. P. Beukema, A. R. Ramdat, et al., “Radiofrequency modified maze in patients with atrial fibrillation undergoing concomitant cardiac surgery,” The Journal of Thoracic and Cardiovascular Surgery, vol. 122, no. 2, pp. 249–256, 2001.
  44. W. P. Beukema, H. T. Sie, A. R. Ramdat Misier, P. P. H. M. Delnoy, H. J. J. Wellens, and A. Elvan, “Intermediate to long-term results of radiofrequency modified maze procedure as an adjunct to open-heart surgery,” Annals of Thoracic Surgery, vol. 86, no. 5, pp. 1409–1414, 2008. View at Publisher · View at Google Scholar · View at Scopus
  45. A. C. Kiser, G. Wimmer-Greinecker, and W. R. Chitwood, “Totally extracardiac maze procedure performed on the beating heart,” Annals of Thoracic Surgery, vol. 84, no. 5, pp. 1783–1785, 2007. View at Publisher · View at Google Scholar · View at Scopus
  46. E. Beyer, R. Lee, and B. K. Lam, “Point: Minimally invasive bipolar radiofrequency ablation of lone atrial fibrillation: early multicenter results,” Journal of Thoracic and Cardiovascular Surgery, vol. 137, no. 3, pp. 521–526, 2009. View at Publisher · View at Google Scholar · View at Scopus
  47. D. F. Loulmet, N. C. Patel, N. U. Patel et al., “First robotic endoscopic epicardial isolation of the pulmonary veins with microwave energy in a patient in chronic atrial fibrillation,” Annals of Thoracic Surgery, vol. 78, no. 2, pp. e24–e25, 2004. View at Publisher · View at Google Scholar · View at Scopus
  48. G. Bolotin, A. P. Kypson, L. W. Nifong, and W. R. Chitwood, “Robotically-assisted left atrial fibrillation ablation and mitral valve repair through a right mini-thoracotomy,” Annals of Thoracic Surgery, vol. 78, no. 4, pp. e63–e64, 2004. View at Publisher · View at Google Scholar · View at Scopus
  49. C. C. Reade, J. O. Johnson, G. Bolotin et al., “Combining robotic mitral valve repair and microwave atrial fibrillation ablation: techniques and initial results,” Annals of Thoracic Surgery, vol. 79, no. 2, pp. 480–484, 2005. View at Publisher · View at Google Scholar · View at Scopus
  50. F. H. Cheema, J. S. Weisberg, I. Khalid, and H. G. Roberts, “Warm beating heart, robotic endoscopic Cox-cryomaze: an approach for treating atrial fibrillation,” Annals of Thoracic Surgery, vol. 87, no. 3, pp. 966–968, 2009. View at Publisher · View at Google Scholar · View at Scopus
  51. A. E. Saltman, “Minimally invasive surgery for atrial fibrillation,” Seminars in Thoracic and Cardiovascular Surgery, vol. 19, no. 1, pp. 33–38, 2007. View at Publisher · View at Google Scholar · View at Scopus
  52. J. C. Pruitt, R. R. Lazzara, and G. Ebra, “Minimally invasive surgical ablation of atrial fibrillation: the thoracoscopic box lesion approach,” Journal of Interventional Cardiac Electrophysiology, vol. 20, no. 3, pp. 83–87, 2007. View at Publisher · View at Google Scholar · View at Scopus
  53. A. Yilmaz, B. P. Van Putte, and W. J. Van Boven, “Completely thoracoscopic bilateral pulmonary vein isolation and left atrial appendage exclusion for atrial fibrillation,” Journal of Thoracic and Cardiovascular Surgery, vol. 136, no. 2, pp. 521–522, 2008. View at Publisher · View at Google Scholar · View at Scopus
  54. A. Yilmaz, G. S. C. Geuzebroek, B. P. Van Putte et al., “Completely thoracoscopic pulmonary vein isolation with ganglionic plexus ablation and left atrial appendage amputation for treatment of atrial fibrillation,” European Journal of Cardio-thoracic Surgery, vol. 38, no. 3, pp. 356–360, 2010. View at Publisher · View at Google Scholar · View at Scopus
  55. J. R. Edgerton, “Total thoracic ablation of the atrial fibrillation using the dallas lesion set, partial autonomic denervation, and left atrial appendectomy,” Operative Techniques in Thoracic and Cardiovascular Surgery, vol. 14, no. 3, pp. 224–242, 2009. View at Publisher · View at Google Scholar · View at Scopus
  56. L. G. Svensson, F. A. Atik, D. M. Cosgrove et al., “Minimally invasive versus conventional mitral valve surgery: A propensity-matched comparison,” Journal of Thoracic and Cardiovascular Surgery, vol. 139, no. 4, pp. 926–932, 2010. View at Publisher · View at Google Scholar · View at Scopus
  57. B. Akpinar, M. Guden, E. Sagbas, I. Sanisoglu, B. Caynak, and Z. Bayramoglu, “Robotic-enhanced totally endoscopic mitral valve repair and ablative therapy,” Annals of Thoracic Surgery, vol. 81, no. 3, pp. 1095–1098, 2006. View at Publisher · View at Google Scholar · View at Scopus
  58. H. Jeanmart, F. Casselman, R. Beelen et al., “Modified Maze during endoscopic mitral valve surgery: the OLV clinic experience,” Annals of Thoracic Surgery, vol. 82, no. 5, pp. 1765–1769, 2006. View at Publisher · View at Google Scholar · View at Scopus
  59. A. M. Gillinov and L. G. Svensson, “Ablation of atrial fibrillation with minimally invasive mitral surgery,” Annals of Thoracic Surgery, vol. 84, no. 3, pp. 1041–1042, 2007. View at Publisher · View at Google Scholar · View at Scopus
  60. L. V. Boersma, M. Castella, W. van Boven, et al., “Atrial Fibrillation Catheter Ablation Versus Surgical Ablation Treatment (FAST): A 2-Center Randomized Clinical Trial,” Circulation, vol. 125, no. 1, pp. 23–30, 2012.
  61. R. K. Wolf, “Minimally invasive surgical treatment of atrial fibrillation,” Seminars in Thoracic and Cardiovascular Surgery, vol. 19, no. 4, pp. 311.e1–311.e9, 2007. View at Publisher · View at Google Scholar · View at Scopus
  62. S. Gelsomino, M. La Meir, F. Lucà, et al., “Treatment of lone atrial fibrillation: a look at the past, a view of the present and a glance at the future,” European Journal of Cardio-Thoracic Surgery. In press. View at Publisher · View at Google Scholar
  63. H. N. Pak, C. Hwang, H. E. Lim, J. S. Kim, and Y. H. Kim, “Hybrid epicardial and endocardial ablation of persistent or permanent atrial fibrillation: A new approach for difficult cases,” Journal of Cardiovascular Electrophysiology, vol. 18, no. 9, pp. 917–923, 2007. View at Publisher · View at Google Scholar · View at Scopus
  64. S. P. Krul, A. H. Driessen, W. J. van Boven, et al., “Thoracoscopic video-assisted pulmonary veinantrum isolation, ganglionated plexus ablation, and periprocedural confirmation of ablation lesions: first results of a hybrid surgicalelectrophysiological approach for atrial fibrillation,” Circulation: Arrhythmia and Electrophysiology, vol. 4, no. 3, pp. 262–270, 2011.
  65. J. L. Blackshear and J. A. Odell, “Appendage obliteration to reduce stroke in cardiac surgical patients with atrial fibrillation,” Annals of Thoracic Surgery, vol. 61, no. 2, pp. 755–759, 1996. View at Publisher · View at Google Scholar · View at Scopus
  66. A. S. Kanderian, A. M. Gillinov, G. B. Pettersson, E. Blackstone, and A. L. Klein, “Success of surgical left atrial appendage closure,” Journal of the American College of Cardiology, vol. 52, no. 11, pp. 924–929, 2008. View at Publisher · View at Google Scholar · View at Scopus
  67. J. S. Healey, E. Crystal, A. Lamy et al., “Left Atrial Appendage Occlusion Study (LAAOS): Results of a randomized controlled pilot study of left atrial appendage occlusion during coronary bypass surgery in patients at risk for stroke,” American Heart Journal, vol. 150, no. 2, pp. 288–293, 2005. View at Publisher · View at Google Scholar · View at Scopus
  68. M. A. Garcia-Fernandez, E. Perez-David, J. Quiles, et al., “Role of left atrial appendage obliteration in patients with mitral valve prosthesis,” Journal of the American College of Cardiology, vol. 42, no. 7, pp. 1253–1258, 2003.
  69. S. Chatterjee, J. C. Alexander, P. J. Pearson, and T. Feldman, “Left Atrial Appendage Occlusion: Lessons Learned From Surgical and Transcatheter Experiences,” The Annals of Thoracic Surgery, vol. 92, no. 6, pp. 2283–2292, 2011.
  70. P. Roth, A. Rahimi, and A. Boening, “The pericardium-reinforcement technique of amputation of the left atrial appendage: quick, safe, and simple,” Annals of Thoracic Surgery, vol. 90, no. 1, pp. e11–e13, 2010. View at Publisher · View at Google Scholar · View at Scopus
  71. F. Isobe, H. Kumano, T. Ishikawa et al., “A new procedure for chronic atrial fibrillation: bilateral appendage-preserving maze procedure,” Annals of Thoracic Surgery, vol. 72, no. 5, pp. 1473–1478, 2001. View at Publisher · View at Google Scholar · View at Scopus
  72. K. Kamohara, Z. B. Popović, M. Daimon et al., “Impact of left atrial appendage exclusion on left atrial function,” Journal of Thoracic and Cardiovascular Surgery, vol. 133, no. 1, pp. 174–181, 2007. View at Publisher · View at Google Scholar · View at Scopus
  73. K. Yamanaka, Y. Sekine, M. Nonaka et al., “Left atrial appendage contributes to left atrial booster function after the maze procedure: quantitative assessment with multidetector computed tomography,” European Journal of Cardio-thoracic Surgery, vol. 38, no. 3, pp. 361–365, 2010. View at Publisher · View at Google Scholar · View at Scopus
  74. S. P. Salzberg, A. Plass, M. Y. Emmert et al., “Left atrial appendage clip occlusion: early clinical results,” Journal of Thoracic and Cardiovascular Surgery, vol. 139, no. 5, pp. 1269–1274, 2010. View at Publisher · View at Google Scholar · View at Scopus
  75. S. H. Ostermayer, M. Reisman, P. H. Kramer et al., “Percutaneous Left Atrial Appendage Transcatheter Occlusion (PLAATO System) to prevent stroke in high-risk patients with non-rheumatic atrial fibrillation: Results from the international multi-center feasibility trials,” Journal of the American College of Cardiology, vol. 46, no. 1, pp. 9–14, 2005. View at Publisher · View at Google Scholar · View at Scopus
  76. D. R. Holmes, V. Y. Reddy, Z. G. Turi et al., “Percutaneous closure of the left atrial appendage versus warfarin therapy for prevention of stroke in patients with atrial fibrillation: a randomised non-inferiority trial,” The Lancet, vol. 374, no. 9689, pp. 534–542, 2009. View at Publisher · View at Google Scholar · View at Scopus
  77. J. W. Park, A. Bethencour, H. Sievert, et al., “Left atrial appendage closure with Amplatzer cardiac plug in atrial fibrillation: initial European experience,” Catheterization and Cardiovascular Interventions, vol. 77, no. 5, pp. 700–706, 2011.
  78. V. Y. Reddy, D. Holmes, S. K. Doshi, P. Neuzil, and S. Kar, “Safety of percutaneous left atrial appendage closure: results from the watchman left atrial appendage system for embolic protection in patients with AF (PROTECT AF) clinical trial and the continued access registry,” Circulation, vol. 123, no. 4, pp. 417–424, 2011. View at Publisher · View at Google Scholar · View at Scopus
  79. U. Landmesser and D. R. Holmes, “Left atrial appendage closure: a percutaneous transcatheter approach for stroke prevention in atrial fibrillation,” European Heart Journal, vol. 33, no. 6, pp. 698–704, 2012.
  80. H. Calkins, J. Brugada, D. L. Packer et al., “HRS/EHRA/ECAS expert Consensus Statement on catheter and surgical ablation of atrial fibrillation: recommendations for personnel, policy procedures and follow-up. A report of the Heart Rhythm Society (HRS) Task Force on catheter and surgical ablation of atrial fibrillation,” Heart Rhythm, vol. 4, no. 6, pp. 816–861, 2007. View at Publisher · View at Google Scholar · View at Scopus