Infective Endarteritis and Mycotic Pseudoaneurysms in a Pediatric Patient With Aortic Coarctation

Alanna M Gilmour1, Eva Welisch1, Dirk E Bock2

  • 1Western University, London, Ontario, Canada.

Insights

Aortic coarctation complicated by Staphylococcus aureus infective endarteritis and pseudoaneurysms required urgent surgical repair in an 11-year-old boy. This case highlights diagnostic nuances and management of these rare cardiovascular complications.

Area of Science:

  • Cardiovascular Surgery
  • Infectious Diseases
  • Pediatric Cardiology

Background:

  • Aortic coarctation is a congenital heart defect often diagnosed in childhood.
  • Infective endarteritis and mycotic pseudoaneurysms are rare but serious complications.
  • Undiagnosed aortic coarctation can predispose to cardiovascular complications.

Observation:

  • An 11-year-old male presented with symptoms suggestive of infection and cardiovascular compromise.
  • Diagnostic imaging revealed Staphylococcus aureus infective endarteritis and a mycotic pseudoaneurysm.
  • A previously unrecognized aortic coarctation was identified as an underlying condition.

Findings:

  • The patient underwent urgent resection of the pseudoaneurysm and repair of the aortic coarctation.
  • Staphylococcus aureus was identified as the causative pathogen for infective endarteritis.
  • Successful surgical intervention addressed both the acute complications and the congenital defect.

Implications:

  • Early diagnosis and management of aortic coarctation are crucial to prevent severe complications.
  • Infective endarteritis and pseudoaneurysm formation necessitate prompt surgical intervention.
  • This case underscores the importance of considering complex cardiovascular pathology in pediatric patients presenting with infectious and vascular emergencies.

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