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Native aortic valve endocarditis complicated by pseudoaneurysm of mitral-aortic intervalvular fibrosa

Filiz Ekici1, Abdullah Kocabaş, Doğukan Aktaş

  • 1Department of Pediatric Cardiology, Ankara Children's Hematology and Oncology Research and Training Hospital, Ankara, Turkey.

Echocardiography (Mount Kisco, N.Y.)
|January 28, 2014
PubMed

Insights

Pseudoaneurysm of the mitral-aortic intervalvular fibrosa (PA-MAIVF) is a rare endocarditis complication. In a child, PA-MAIVF led to rupture, cerebral embolism, and a fatal outcome.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pediatric Cardiology

Background:

  • Native aortic valve endocarditis can lead to rare but severe complications.
  • The mitral-aortic intervalvular fibrosa (MAIVF) is a vulnerable region for infection and aneurysm formation.
  • Pseudoaneurysm of the mitral-aortic intervalvular fibrosa (PA-MAIVF) is a recognized, albeit infrequent, sequela.

Observation:

  • A 9-year-old boy with bicuspid aortic valve endocarditis developed a PA-MAIVF.
  • The PA-MAIVF was visualized using transthoracic echocardiography (2D and 3D).
  • Complications included cerebral embolism and hemorrhage.

Findings:

  • The PA-MAIVF ruptured into the pericardial space.
  • This rupture resulted in a fatal outcome for the patient.
  • Echocardiography proved effective in visualizing the PA-MAIVF and its rupture.

Implications:

  • PA-MAIVF requires prompt recognition and management in pediatric endocarditis cases.
  • Early diagnosis and intervention may be crucial to prevent catastrophic complications.
  • This case highlights the potential for rapid deterioration and mortality associated with PA-MAIVF.
Keywords:
bicuspid aortic valveinfective endocarditispseudoaneurysm of mitral-aortic intervalvular fibrosa

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