Acute cardiac care & resuscitation

Microaxial Flow Pump Use and Renal Outcomes in Infarct-Related Cardiogenic Shock: A Secondary Analysis of the DanGer Shock Trial

CirculationPublished Secondary analysis of the DanGer Shock randomised trial

Authors' conclusion

Shock severity, allocation to mAFP, and device-related complications were associated with an increased risk of AKI. AKI was generally associated with higher mortality, but the allocation to mAFP consistently led to lower mortality rates at 180 days irrespective of the occurrence of AKI with or without RRT initiation.

Study context

Population
Adults with STEMI-related cardiogenic shock
Participants
355 adults
Comparison
Microaxial flow pump (mAFP) vs standard care alone
  • mAFPn = 179
  • Standard caren = 176reference
Primary endpoint
Rates and predictors of AKI (RIFLE criteria) and RRT
Methodological detailsprespecified analysis, international, open-label, multicentre
  • Prespecified analysis
  • International
  • Open-label
  • Multicentre

Primary result

As reported in the abstract

AKI (RIFLE ≥1)

P < 0.01

Further findings

RRT

P < 0.01

RRT initiated within first 24 h from admission · first 24 hours · % of RRTs

OutcomeSubdistribution hazard (CI)
RRT1.67 (1.18–2.35)
  • RRT: accounting for competing risk of death; largely consistent among prespecified subgroups

180-day mortality by acute kidney injury (AKI)/RRT

mAFP associated with lower 180-day mortality irrespective of AKI or RRT
P for interaction = 0.84
AKI and RRT associated with higher 180-day mortality in both arms
All patients alive at 180 days free of RRT

Predictors of AKI

Both groups: reduced LVEF, baseline kidney function, shock severity, bleeding events, positive fluid balance
mAFP-specific: suction events, higher pump speed, longer duration of support

Original publication

Microaxial Flow Pump Use and Renal Outcomes in Infarct-Related Cardiogenic Shock: A Secondary Analysis of the DanGer Shock Trial. Circulation. Published 27 October 2024. doi:10.1161/circulationaha.124.072370

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.