5 Key Takeaways

• 1

  The annual incidence of acute pulmonary embolism in U.S. children and adolescents is 3.5 per 100,000.

• 2

  The in-hospital case fatality rate for pediatric pulmonary embolism is 4.5%.

• 3

  Mortality rates for high-risk pulmonary embolism features are 25.3% in children under 10 years and 13.9% in adolescents.

• 4

  Female adolescents have a higher incidence of pulmonary embolism than males, but males have a higher in-hospital case fatality rate.

• 5

  Lemierre syndrome was identified in 1.3% of pediatric pulmonary embolism cases, indicating a rare but serious complication.