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Infective endocarditis with perivalvular pseudoaneurysm

Hirofumi Soejima1, Hisao Ogawa, Nobutaka Hirai

  • 1Department of Cardiovascular Medicine, Kumamoto University, School of Medicine, Kumamoto, Japan.

Insights

A teenage patient with infective endocarditis developed a perivalvular pseudoaneurysm. This rare complication under the mitral valve compressed nearby coronary arteries.

Area of Science:

  • Cardiology
  • Cardiac Surgery

Background:

  • Infective endocarditis is a serious infection affecting heart valves.
  • Perivalvular pseudoaneurysms are rare but potentially life-threatening complications.

Observation:

  • A 16-year-old female patient presented with infective endocarditis.
  • Echocardiography revealed a pseudoaneurysm beneath the mitral valve.

Findings:

  • Left ventriculography showed the pseudoaneurysm had a narrow neck and abnormal motion.
  • The aneurysm exerted pressure on the coronary sinus and right coronary artery.

Implications:

  • This case highlights the importance of advanced imaging in diagnosing rare endocarditis complications.
  • Understanding pseudoaneurysm mechanics is crucial for surgical planning and patient management.

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