Pulmonary vascular disease & thromboembolismRandomised controlled trial

Mechanical Thrombectomy Versus Anticoagulation Alone in Intermediate-High Risk Pulmonary Embolism (PE)

JACC Cardiovasc IntervPublished

  • Randomised trial
  • international
  • 22 sites

Authors' conclusion

In STORM-PE, CAVT with anticoagulation resulted in improved functional outcomes at 90 days compared with anticoagulation alone, with equivalent safety rates. This trial supports CAVT as an effective and safe reperfusion strategy for intermediate-high risk PE.

Study context

Population
Acute intermediate-high risk PEmedian follow-up 91.0 days
Participants
100 participants
Comparison
Computer-assisted vacuum thrombectomy (CAVT) with anticoagulation vs anticoagulation alone
Primary endpoint
Right-ventricular (RV)-to-left-ventricular (RV/LV) ratio change
Follow-up
48 hours

Reported results (secondary endpoints)

As reported in the abstract

The primary endpoint is not reported in this abstract; these are its secondary endpoints.

6-min walk distance · 90 days

P = 0.003

NYHA Functional Class I · 90 days

P = 0.005

  • 6-min walk distance: longer 6-min walk distance with CAVT; completed by 66.0% (31/47) vs 64.2% (34/53)

Dyspnea and quality of life (QoL) scores · 90 days

Dyspnea and QoL scores
comparable between groups

All-cause mortality, PE-related mortality, and symptomatic PE recurrence · within 90 days

All-cause mortality, PE-related mortality, and symptomatic PE recurrence
no differences between arms

Original publication

Mechanical Thrombectomy Versus Anticoagulation Alone in Intermediate-High Risk PE. JACC Cardiovasc Interv. Published 5 October 2026. doi:10.1016/j.jcin.2026.07.042

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