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The superior approach for mitral valve replacement.

J E Molina1

  • 1Department of Surgery, University of Minnesota, Minneapolis.

Journal of Cardiac Surgery
|September 1, 1988
PubMed
Summary
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This study introduces a superior approach for mitral valve replacement, simplifying the procedure by accessing the left atrium without heart manipulation. This technique ensures excellent myocardial protection and improved surgical exposure.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Cardiac Valve Surgery

Background:

  • Mitral valve replacement is a critical cardiac procedure.
  • Traditional surgical approaches can involve complex steps and heart manipulation.
  • Optimizing surgical access and myocardial protection remains an area of focus.

Purpose of the Study:

  • To describe and evaluate a novel superior approach for mitral valve replacement.
  • To assess the feasibility, safety, and advantages of this technique.
  • To highlight key procedural steps and benefits compared to conventional methods.

Main Methods:

  • A consecutive series of 98 patients underwent mitral valve replacement using a superior atriotomy.
  • The approach involves an atriotomy between the superior vena cava and ascending aorta, extending into the left superior pulmonary vein.

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  • The technique avoids heart mobilization and extensive dissection, facilitating access to the left atrium roof.

    • Main Results:

    • The superior approach was successfully applied in 98 patients across various age groups.
    • No technical difficulties were encountered during valve replacement.
    • The technique allows for easy prosthesis implantation with an incision slightly larger than the prosthesis diameter.
    • The heart remains in its normal position, enhancing myocardial protection through topical cooling and cardioplegia.

    Conclusions:

    • The superior approach for mitral valve replacement is a safe and effective technique.
    • It offers simplified access, improved surgical exposure, and robust myocardial protection.
    • This method presents a valuable alternative to conventional inter-atrial groove approaches.