Samer Kassem, MD, Majed Othman, MD

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Presentation transcript:

Annulus-edge-papillary stitch to repair P2 of the mitral valve posterior leaflet Samer Kassem, MD, Majed Othman, MD The Journal of Thoracic and Cardiovascular Surgery Volume 141, Issue 6, Pages e45-e47 (June 2011) DOI: 10.1016/j.jtcvs.2011.02.016 Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Pair of 5-0 polytetrafluoroethylene (Gore-Tex; WL Gore & Associates, Inc, Newark, Del) sutures are passed through the posterior MV annulus from the atrial to the ventricular side at the site corresponding to the tip of the prolapsing P2. A nonsliding knot is tied on the ventricular side. The 2 arms of the sutures are passed through the thickened P2 free edge from the ventricular to the atrial side and tightly knotted to anchor the P2 edge into the new chord. B, The 2 needles are passed through the tip of the papillary muscle with a backhanded technique and then through an expanded polytetrafluoroethylene pledget without tying. Thus, the new chord arises from the papillary side that faces the posterior ventricular wall. C, AEP stitch as seen by the surgeon’s assistant. D, Cross-profile shows that the length of the E-P component is determined by saline injection test. E, Slightly oversized ring is inserted into the mitral annulus with interrupted horizontal mattress sutures. The pledget of the untied atrial E-P suture behind the ring is free. Another saline injection test is performed with considerable pressure once the ring is in its definitive position. The valve is continent but anatomically abnormal (sad-shape). The Journal of Thoracic and Cardiovascular Surgery 2011 141, e45-e47DOI: (10.1016/j.jtcvs.2011.02.016) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 A, Cross-profile shows that the height of the P2 is controlled by the E-A component, so to decrease the height of P2, it is enough to pull the untied atrial suture behind the ring, giving A2 of the anterior leaflet its space in the radial direction of the valvular area. B, The MV regains its smile-shape before left atriotomy closure. C, Two AEP stitches can be implanted if P2 has a square, rectangle, or trapezoid shape. D, P2 is remodeled by a small triangular-shaped resection. Care should be taken to keep the new smooth surface coaptation of P2 clear, which is at the same level of rough line coaptation of P1 and P3, and not touch it. E, The 2 free edges are then sewn by a locked running suture of 4-0 Cardionyl (Peters, Paris, France). The Journal of Thoracic and Cardiovascular Surgery 2011 141, e45-e47DOI: (10.1016/j.jtcvs.2011.02.016) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions