Transapical mitral valved stent implantation: A survival series in swine Lucian Lozonschi, MD, Rene Bombien, MD, Satoru Osaki, MD, Jian Hu, MD, Dolores.

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Presentation transcript:

Transapical mitral valved stent implantation: A survival series in swine Lucian Lozonschi, MD, Rene Bombien, MD, Satoru Osaki, MD, Jian Hu, MD, Dolores Snell, RDCS, RCIS, PA-C, Niloo M. Edwards, MD, Jochen Cremer, MD, PhD, Georg Lutter, MD, PhD The Journal of Thoracic and Cardiovascular Surgery Volume 140, Issue 2, Pages 422-426.e1 (August 2010) DOI: 10.1016/j.jtcvs.2009.12.030 Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Ventricular fixation system (ie, tethering cords). B, Prototype valved stent partially loaded onto the deploying catheter. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 422-426.e1DOI: (10.1016/j.jtcvs.2009.12.030) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Early failure mechanism: atrial maldeployment. A, Postmortem examination of left atrium showing 1 atrial spring caught underneath the anterior leaflet of the mitral valve. B, Correct deployment. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 422-426.e1DOI: (10.1016/j.jtcvs.2009.12.030) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Late failure mechanism: failure of the atrial anchoring system. A, In vivo illustration of stent fractures at the highest stress points (arrows). B, Ex vivo illustration of stent fracture (arrow). The Journal of Thoracic and Cardiovascular Surgery 2010 140, 422-426.e1DOI: (10.1016/j.jtcvs.2009.12.030) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions