Streptococcus pneumoniae causing mycotic aneurysm in a pediatric patient with coarctation of the aorta

Brian Haas1, Heath G Wilt, Karina M Carlson

  • 1Department of Medicine and Pediatrics, University of Missouri Kansas City, MO 64108, USA. haasb@umkc.edu

Insights

Rapid diagnosis of mycotic aneurysms is critical in pediatric patients with congenital heart disease. A 10-year-old with aortic coarctation developed a Streptococcus pneumoniae mycotic aneurysm, highlighting the need for prompt imaging.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Radiology

Background:

  • Mycotic aneurysms are uncommon in pediatric patients, especially those with congenital heart disease.
  • Congenital heart conditions like aortic coarctation and bicuspid aortic valve increase risk.
  • Prompt diagnosis is crucial due to high morbidity and mortality rates.

Observation:

  • A 10-year-old male with newly diagnosed aortic coarctation and bicuspid aortic valve presented with a rapidly enlarging mycotic aneurysm.
  • The causative agent was identified as Streptococcus pneumoniae.
  • Cardiac magnetic resonance imaging (CMR) was instrumental in diagnosis and monitoring.

Findings:

  • This case highlights a rare presentation of a rapidly growing mycotic aneurysm in a pediatric patient with specific congenital heart defects.
  • Streptococcus pneumoniae was identified as the pathogen.
  • Cardiac MRI proved effective for diagnosis and follow-up.

Implications:

  • Emphasizes the importance of considering mycotic aneurysms in pediatric patients with congenital heart disease presenting with concerning symptoms.
  • Underscores the critical role of advanced imaging like cardiac MRI in early detection and management.
  • Suggests potential need for heightened vigilance and tailored diagnostic approaches in this patient population.

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