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[Mitral obstruction due to infective endocarditis: a case report]

Y Irie1, T Yamada, N Oshima

  • 1Department of Cardiovascular and Thoracic Surgery, Dokkyo University Koshigaya Hospital, Koshigaya, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|April 1, 1995
PubMed
Summary

Infective endocarditis can cause acute mitral valve obstruction from vegetation, a rare but fatal complication. Prompt echocardiogram diagnosis and emergency surgery are crucial for patient survival.

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Cardiac Surgery

Background:

  • Infective endocarditis is a serious infection affecting heart valves.
  • Acute valvular obstruction due to vegetation is a rare but life-threatening complication.

Observation:

  • A 46-year-old male presented with prolonged fever and acute shortness of breath.
  • Echocardiography revealed a large mass obstructing the mitral valve orifice.
  • The patient developed cardiogenic shock, necessitating urgent surgical intervention.

Findings:

  • Surgical exploration confirmed extensive vegetations occluding the mitral valve.
  • Mitral valve replacement was performed, followed by intensive medical management for multiple organ failure.
  • A mycotic aneurysm of the left radial artery was identified postoperatively.

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Implications:

  • Early diagnosis via echocardiography and prompt surgical management are critical for improving outcomes in patients with infective endocarditis causing valvular obstruction.
  • This condition, if untreated, carries a high mortality rate.
  • Multidisciplinary care, including intensive medical treatment and surgical intervention, is essential.