“Bow-Tie” mitral valve repair: An adjuvant technique for ischemic mitral regurgitation Juan P Umaña, MD, Bijan Salehizadeh, BA, Joseph J DeRose, MD, Tamanna.

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Presentation transcript:

“Bow-Tie” mitral valve repair: An adjuvant technique for ischemic mitral regurgitation Juan P Umaña, MD, Bijan Salehizadeh, BA, Joseph J DeRose, MD, Tamanna Nahar, MD, Alan Lotvin, MD, Shunichi Homma, MD, Mehmet C Oz, MD The Annals of Thoracic Surgery Volume 66, Issue 5, Pages 1640-1645 (November 1998) DOI: 10.1016/S0003-4975(98)00828-5

Fig 1 Intraoperative photograph showing “bow-tie” suture through leaflets. (PMC = posteromedial commissure; ALC = anterolateral commissure; AL = anterior leaflet; PL = posterior leaflet.) The Annals of Thoracic Surgery 1998 66, 1640-1645DOI: (10.1016/S0003-4975(98)00828-5)

Fig 2 Short-axis echocardiographic view through the mitral valve (after repair). The Annals of Thoracic Surgery 1998 66, 1640-1645DOI: (10.1016/S0003-4975(98)00828-5)

Fig 3 Comparison between preoperative (PreOp) and postoperative (PostOp) degree of mitral regurgitation and ejection fraction. The Annals of Thoracic Surgery 1998 66, 1640-1645DOI: (10.1016/S0003-4975(98)00828-5)

Fig 4 Mitral valve force diagram. (Modified from [18].) (P is a point on the annulus; Q is the point of contact of the valve leaflets; b is the width of the valve along the y-direction; s is the leaflet-tip displacement parameter, obtained as the y-value of the leaflet attachment site P, when unrolling the leaflet along the z-axis; Fs is the pulling force of the chordae tendineae, which are attached to the papillary muscles.) The Annals of Thoracic Surgery 1998 66, 1640-1645DOI: (10.1016/S0003-4975(98)00828-5)