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Related Experiment Videos

[Valve replacement concomitant with anulus reconstruction]

M Sawazaki1, Y Ogawa, S Tomari

  • 1Division of Thoracic Surgery, Komaki City Hospital, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 1, 1996
PubMed
Summary
This summary is machine-generated.

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Surgical repair of infective endocarditis with annular disruption can be achieved using a novel pericardial patch technique. This method, involving left ventricular endocardial repair, shows promising results in preventing complications like leakage or dehiscence.

Area of Science:

  • Cardiovascular Surgery
  • Infective Endocarditis Research
  • Prosthetic Valve Surgery

Background:

  • Surgical treatment of infective endocarditis requires complete debridement.
  • Abscess formation in the mitral annulus or aortic root can lead to annular disruption after resection.
  • Novel techniques are needed for mitral and aortic annulus reconstruction.

Purpose of the Study:

  • To evaluate a novel technique for mitral and aortic annulus reconstruction in cases of infective endocarditis with annular disruption.
  • To assess the feasibility and outcomes of endocardial repair using a pericardial patch.

Main Methods:

  • A modified technique involving suturing a pericardial patch to the left ventricular endocardium and left atrial wall was used.
  • Eight patients with annular disruption (5 mitral, 1 aortic, 2 combined) were treated since 1992.

Related Experiment Videos

  • The technique focused on endocardial repair to reconstruct the annulus.

    • Main Results:

    • Five patients survived without perivalvular leakage, patch dehiscence, hemolysis, prosthetic valve endocarditis, or thromboembolism.
    • Two perioperative deaths occurred due to brain abscess and methicillin-resistant Staphylococcus aureus sepsis with mediastinitis.
    • One late death occurred 3 years post-operation due to unknown causes.

    Conclusions:

    • Endocardial repair with a pericardial patch is a viable technique for reconstructing disrupted mitral and aortic annuli in infective endocarditis.
    • The left ventricular endocardium and muscle can tolerate the stress of prosthetic ring implantation.
    • The technique demonstrated a low rate of major complications in surviving patients.