Sudden death in Staphylococcus aureus-associated infective endocarditis due to perforation of a free-wall myocardial

I Anguera1, G Quaglio, B Ferrer

  • 1Cardiovascular Institute, Institut d'Investigacions Biomèdiques August Pi i Sunyer-Hospital Clinic, University of Barcelona, Spain.

Insights

Sudden death from infective endocarditis is rare. This case highlights a fatal myocardial abscess rupture into the pericardium, a complication seen in only a few reported instances.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathology

Background:

  • Infective endocarditis (IE) commonly affects heart valves.
  • Complications of IE can include systemic embolization and myocardial damage.
  • Rupture of cardiac abscesses is a rare but catastrophic event.

Observation:

  • A case of Staphylococcus aureus-associated native aortic and tricuspid valve endocarditis is presented.
  • The patient developed a septic myocardial infarction with abscess formation of embolic origin.
  • The myocardial abscess ultimately ruptured into the pericardium, leading to hemopericardium.

Findings:

  • Free-wall myocardial abscess perforation with hemopericardium and sudden death occurred.
  • This represents an extremely infrequent complication of infective endocarditis.
  • Only two prior cases of myocardial abscess rupture related to IE have been documented.

Implications:

  • This case underscores the potential for devastating complications in infective endocarditis.
  • Early recognition and aggressive management of IE are crucial to prevent such fatal outcomes.
  • Further research into the mechanisms and prevention of myocardial abscess formation in IE is warranted.

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