Tissue plasminogen activator in pediatric myocardial infarction

S Krendel1, P Pollack, J Hanly

  • 1Department of Emergency Medicine, University of Massachusetts Medical Center, Worcester, MA, USA.

Insights

Acute myocardial infarction is rare in children but can occur with Kawasaki disease. Intravenous tissue plasminogen activator successfully treated a child with a thrombosed coronary aneurysm causing heart attack.

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Research
  • Emergency Medicine

Background:

  • Acute myocardial infarction (AMI) is uncommon in pediatric populations.
  • Kawasaki disease is a leading cause of acquired heart disease in children and can lead to coronary artery aneurysms and thrombosis.
  • Coronary artery thrombosis in children can precipitate AMI, presenting a diagnostic and therapeutic challenge.

Observation:

  • A 7-year-old child presented with symptoms suggestive of acute myocardial infarction.
  • Cardiac evaluation revealed a thrombosed coronary aneurysm as the cause of the myocardial infarction.
  • This presentation is exceedingly rare in pediatric emergency medicine.

Findings:

  • The case details the successful administration of intravenous tissue plasminogen activator (tPA) in a pediatric patient with AMI secondary to a thrombosed coronary aneurysm.
  • This represents the first reported instance of using tPA for this specific clinical scenario in a child.
  • The treatment resulted in successful reperfusion and management of the acute cardiac event.

Implications:

  • Intravenous tissue plasminogen activator may be a viable therapeutic option for pediatric acute myocardial infarction caused by coronary artery thrombosis.
  • This case expands the understanding of Kawasaki disease complications and treatment strategies.
  • Highlights the importance of considering rare cardiovascular emergencies in pediatric patients presenting with cardiac symptoms.

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