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[Mitral valve repair for papillary muscle rupture; report of a case]

Hironobu Sugiyama1, Satoshi Tobe, Hiroki Nousho

  • 1Department of Cardiovascular Surgery, Akashi Medical Center, Akashi, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 7, 2013
PubMed

Insights

Papillary muscle rupture, a rare complication of acute myocardial infarction (AMI), can cause severe mitral regurgitation. This case highlights successful mitral valve repair using artificial chordae in a patient with post-AMI papillary muscle rupture.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Cardiovascular Research

Context:

  • Acute myocardial infarction (AMI) can lead to serious cardiac complications.
  • Papillary muscle rupture is a rare but critical consequence of AMI, often resulting in severe mitral regurgitation.
  • Timely diagnosis and intervention are crucial for managing patients with this condition.

Purpose:

  • To report a successful case of mitral valve repair in a patient with partial papillary muscle rupture secondary to AMI.
  • To describe the surgical technique involving neochorda implantation and ring annuloplasty for papillary muscle rupture.
  • To emphasize the feasibility and effectiveness of surgical intervention for this rare complication.

Summary:

  • A 75-year-old male presented with cardiac failure due to severe mitral regurgitation caused by posterior papillary muscle rupture following AMI and percutaneous coronary intervention (PCI).
  • The patient underwent successful mitral valve repair utilizing neochorda implantation to the left ventricular wall at the rupture site, combined with ring annuloplasty.
  • Postoperative echocardiography confirmed well-controlled mitral regurgitation, and the patient was discharged with no morbidity.

Impact:

  • Demonstrates a viable surgical option for managing severe mitral regurgitation resulting from papillary muscle rupture after AMI.
  • Highlights the importance of prompt diagnosis and surgical management in improving patient outcomes for this rare cardiac emergency.
  • Contributes to the understanding of treatment strategies for complex valvular heart disease post-myocardial infarction.

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