Key result
The 'loop with anchor' technique successfully repaired mitral valve prolapse in two patients, resulting in no or trivial mitral regurgitation at discharge.
Case Report (n=2)
No
The "loop with anchor" technique offers a practical surgical solution for adjusting artificial chordae length during mitral valve prolapse repair.
May support chordae length adjustment in mitral repair; hypothesis-generating and requires larger studies before practice change.
The current surgical technique of using an artificial chord (composed of expanded polytetrafluoroethylene [ePTFE] sutures) to repair mitral prolapse is technically difficult to perform. Slippery knot tying and the difficulty of changing the chordae length after the hydrostatic test are frustrating problems. The loop technique solves the problem of slippery knot tying but not the problem of changing the chordae length. Our "loop with anchor" technique consists of the following elements: construction of an anchor at the papillary muscle; determining the loop length; tying the loop to the anchor; suturing the loop to the mitral valve; the hydrostatic test; and re-suturing or changing the loop, if needed. Adjustments can be made for the entire procedure or for a portion of the procedure.
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Isoda et al. (2011) conducted a case report in Mitral valve prolapse (n=2). 'Loop with anchor' technique was evaluated on Mitral valve competence at discharge. The 'loop with anchor' technique successfully repaired mitral valve prolapse in two patients, resulting in no or trivial mitral regurgitation at discharge.
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