Pulmonary vascular disease & thromboembolismCohort study

Contemporary Management and Outcomes of Patients With High-Risk Pulmonary Embolism

J Am Coll CardiolPublished

  • Retrospective registry analysis
  • PERT Consortium Registry

Authors' conclusion

In the largest analysis of high-risk PE patients to date, mortality rates were high with the worst outcomes among patients with hemodynamic collapse.

Study context

Population
Patients with intermediate-risk, high-risk and catastrophic pulmonary embolism (PE) in the PERT Consortium Registry
Participants
5,790 registry patients
Exposure
High-risk PE vs Intermediate-risk PE
  • High-risk PEn = 1,442
  • Intermediate-risk PEn = 2,976reference
  • Catastrophic PEn = 197

Main finding

As reported in the abstract

In-hospital mortality

P < 0.001

Observational data: associations, not effects.

Further findings

OutcomeOR (95% CI)P value
Factors associated with in-hospital mortality in high-risk PE (multivariable regression) — Vasopressor use vs Intermediate-risk PE4.56 (3.27–6.38)P < 0.01
Factors associated with in-hospital mortality in high-risk PE (multivariable regression) — Extracorporeal membrane oxygenation use vs Intermediate-risk PE2.86 (1.12–7.30)P = 0.03
Factors associated with in-hospital mortality in high-risk PE (multivariable regression) — Identified clot-in-transit vs Intermediate-risk PE2.26 (1.13–4.52)P = 0.02
Factors associated with in-hospital mortality in high-risk PE (multivariable regression) — Malignancy vs Intermediate-risk PE1.70 (1.13–2.56)P = 0.01
OutcomeHigh-risk PEIntermediate-risk PECatastrophic PEEstimateP value
Advanced therapies41.9%30.2%Not reported in the abstractP < 0.001
In-hospital mortality, catastrophic vs noncatastrophic high-risk PE (subgroup)Not reported in the abstractNot reported in the abstract42.1%P < 0.001
Extracorporeal membrane oxygenation and systemic thrombolysis, catastrophic vs noncatastrophic high-risk PE (subgroup)
Extracorporeal membrane oxygenationNot reported in the abstractNot reported in the abstract13.3%P < 0.001
Systemic thrombolysisNot reported in the abstractNot reported in the abstract25%P < 0.001
  • In-hospital mortality, catastrophic vs noncatastrophic high-risk PE (subgroup): Noncatastrophic high-risk PE 17.2%
  • In-hospital mortality, catastrophic vs noncatastrophic high-risk PE (subgroup): Catastrophic PE n = 197 [13.7% of high-risk PE patients]
  • Extracorporeal membrane oxygenation and systemic thrombolysis, catastrophic vs noncatastrophic high-risk PE (subgroup): Noncatastrophic high-risk PE Extracorporeal membrane oxygenation 4.8% · Systemic thrombolysis 11.3%

Safety

OutcomeHigh-risk PEIntermediate-risk PECatastrophic PEP value
Major bleeding10.5%3.5%Not reported in the abstractP < 0.001

Original publication

Contemporary Management and Outcomes of Patients With High-Risk Pulmonary Embolism. J Am Coll Cardiol. Published 2 January 2024. doi:10.1016/j.jacc.2023.10.026

Summarised from the published abstract; every number is checked against it