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Published on: February 1, 2022

[Acute myocardial infarction with left ventricular free wall rupture and papillary muscle rupture caused by

H Amano1, H Kanazawa, S Nakazawa

  • 1Department of Cardiovascular Surgery, Niigata City General Hospital, Niigata, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|March 15, 2006
PubMed

Insights

Infectious endocarditis can lead to coronary embolism, causing acute myocardial infarction. This case highlights a patient with myocardial infarction due to a septic embolus from endocarditis, requiring valve replacement and wall rupture repair.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Cardiac Surgery

Background:

  • Infectious endocarditis is a serious infection that can lead to complications like coronary embolism.
  • Coronary embolism can cause acute myocardial infarction (heart attack).
  • Left ventricular free wall rupture and papillary muscle rupture are severe complications of myocardial infarction.

Observation:

  • A 59-year-old male presented with acute myocardial infarction.
  • The patient also exhibited left ventricular free wall rupture and papillary muscle rupture.
  • Examination revealed perforation and vegetation on the anterior mitral leaflet.

Findings:

  • The patient's acute myocardial infarction was attributed to a septic embolus.
  • The septic embolus originated from infectious endocarditis.
  • Surgical intervention included mitral valve replacement and repair of the left ventricular free wall rupture.

Implications:

  • This case underscores the critical link between infectious endocarditis and severe cardiac events like myocardial infarction with mechanical complications.
  • Prompt diagnosis and surgical management are crucial for patients with endocarditis-induced myocardial infarction and associated ruptures.
  • Understanding the embolic pathway from endocarditis is vital for preventing and treating such life-threatening conditions.

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