Acute cardiac care & resuscitationCohort study

DanGer shock criteria and outcomes in acute myocardial infarction-related cardiogenic shock treated with Impella: the J-PVAD registry

Eur Heart JPublished

  • Retrospective registry cohort study
  • nationwide

Authors' conclusion

In this nationwide registry, one-third of AMI-CS patients treated with Impella met DanGer shock criteria. Outcomes in non-eligible subgroups were heterogeneous

Study context

Population
AMI-related cardiogenic shock patients treated with Impella, nationwide Japanese J-PVAD registry, 2020–2023
Participants
3,975 patients
Exposure
DanGer shock-eligible vs -ineligible AMI-CS subgroups treated with Impella
Outcome
Mortality
Follow-up
30 days

Main finding

As reported in the abstract

30-day mortality
GroupValueShare of all AMI-CSWithout return of spontaneous circulation
Eligible STEMI-CS37.6%35.6%
Non-eligible STEMI-CS27.6%
OHCA51.3%63.4%
MC39.8%
Non-STEMI-CS (NSTEMI-CS)33.3%

Observational data: associations, not effects.

Further findings

Risk factors for mortality in non-eligible STEMI-CS

Mortality increased significantly with advanced age, renal dysfunction, VA-ECMO use, ventricular arrhythmia or sepsis

Original publication

DanGer shock criteria and outcomes in acute myocardial infarction-related cardiogenic shock treated with Impella: the J-PVAD registry. Eur Heart J. Published 13 October 2025. doi:10.1093/eurheartj/ehaf787

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