Thrombolysis of prosthetic mitral valve thrombosis in an infant

Ali Hage1, Frederic Jacques1, Philippe Chetaille2

  • 1Service of Pediatric Cardiac Surgery, Centre Mère-Enfant Soleil, CHU de Québec-Université Laval, Quebec, Canada.

Insights

A 7-week-old infant with a mechanical mitral valve thrombosis was successfully treated with recombinant tissue plasminogen activator (rt-PA). This case highlights effective management strategies for pediatric mechanical prosthesis thrombosis.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Biomedical Engineering

Background:

  • Mechanical heart valves are crucial for managing pediatric valvular heart disease.
  • Thrombosis of mechanical prosthesis in infants presents unique clinical challenges.
  • Anticoagulation and thrombolysis are key considerations in managing these complications.

Observation:

  • A 7-week-old female infant presented with thrombosis of a mechanical mitral valve.
  • The infant experienced symptoms related to valve dysfunction due to the clot.
  • Diagnosis was confirmed through imaging studies.

Findings:

  • Successful treatment of mechanical mitral valve thrombosis was achieved using recombinant tissue plasminogen activator (rt-PA).
  • The infant showed significant clinical improvement following thrombolytic therapy.
  • No major complications were reported during or after rt-PA administration.

Implications:

  • Recombinant tissue plasminogen activator (rt-PA) represents a viable therapeutic option for infants with thrombosed mechanical heart valves.
  • This case underscores the importance of prompt diagnosis and tailored treatment approaches in pediatric thrombosis.
  • Further review of management strategies for infants with thrombosed mechanical prosthesis is warranted to optimize patient outcomes.

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