Coronary artery saddle embolus and myocardial infarction in a patient with prosthetic mitral valve

Mohammad Shakil Aslam1, Vinay Sanghi, Steven Hersh

  • 1Division of Cardiology, Lutheran General Hospital, Park Ridge, Illinois 60068, USA.

Insights

Coronary embolism, a rare cause of myocardial infarction, occurred in a patient with a mechanical mitral valve and atrial fibrillation. This case highlights diagnostic and management challenges for this uncommon condition.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Cardiac Surgery

Background:

  • Coronary embolism is an infrequent etiology of myocardial infarction.
  • Atrial fibrillation and prosthetic heart valves are significant risk factors for embolic events.

Observation:

  • A 58-year-old female with a mechanical mitral valve prosthesis and chronic atrial fibrillation presented with acute anterolateral myocardial infarction.
  • Clinical presentation suggested an embolic origin of the myocardial infarction.

Findings:

  • The case underscores the diagnostic complexities in identifying coronary embolism.
  • Management strategies involve anticoagulation, antiplatelet therapy, and consideration of valve prosthesis complications.

Implications:

  • This case emphasizes the importance of considering coronary embolism in patients with cardiac risk factors presenting with myocardial infarction.
  • Optimal therapeutic approaches require careful consideration of anticoagulation and potential interventions for prosthetic valve-related embolism.

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