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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Prevention of Mitral Ring Dehiscence by a Simple Modification of Suture Placement

Majd Makarious Laham1, Jerry Easo1, Mehdy Roosta-Azad1

  • 1Cardiac Surgery Huttrop, Universitätsmedizin Essen, Essen, Nordrhein-Westfalen, Germany.

The Thoracic and Cardiovascular Surgeon
|January 18, 2023
PubMed

Insights

Mitral valve annuloplasty ring dehiscence, often from the posterior annulus, can be reduced. Additional supra-annular sutures minimize ring suture tension, significantly decreasing annular dehiscence.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Repair
  • Biomedical Engineering

Background:

  • Ring dehiscence is a serious complication following mitral valve annuloplasty.
  • Posterior annular dehiscence is the predominant form observed.
  • Suture tension during the cardiac cycle is a suspected cause.

Purpose of the Study:

  • To investigate a novel surgical technique to reduce mitral annular dehiscence.
  • To minimize tension on annuloplasty ring sutures.

Main Methods:

  • Implementation of four additional pledgeted sutures.
  • Strategic placement of sutures in supra-annular positions at critical hinge points.
  • Evaluation of the impact on annular dehiscence rates.

Main Results:

  • A marked reduction in annular dehiscence was achieved.
  • The technique effectively mitigated tension on the annuloplasty ring sutures.
  • Successful prevention of dehiscence at critical annular points.

Conclusions:

  • Supra-annular pledgeted sutures are an effective method to reduce mitral annular dehiscence.
  • This technique offers a promising solution for a significant complication in mitral valve repair.
  • Minimizing suture tension is key to preventing ring dehiscence.

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