Acute cardiac care & resuscitation

The association of early or late combined infection with clinical outcomes in cardiogenic shock patients

Eur Heart J Acute Cardiovasc CarePublished Observational study

Authors' conclusion

Mixed CS complicated by infection showed worse clinical outcomes than isolated CS, irrespective of the infection timing. Further research is needed to develop targeted treatment strategies tailored to this condition.

Study context

Population
Adult cardiogenic shock patients admitted to a cardiac intensive care unit (CICU) between 2012 and 2020isolated cardiogenic shock (CS) 591 (67.3%) · mixed CS 287 (32.7%)
Participants
878 adult CS patients
Exposure
Isolated CS vs mixed CS, stratified by the timing of infection
  • Isolated CSn = 591 (67.3%)
  • Early mixed CSn = 18.1%
  • Late mixed CSn = 14.6%
Outcome
In-hospital mortality

Main finding

As reported in the abstract

In-hospital mortalities in both mixed CS groups were higher than in isolated CS
both P < 0.001

Observational data: associations, not effects.

Further findings

Mechanical ventilation

Indwelling catheterization

  • Mechanical ventilation: P < 0.001
  • Indwelling catheterization: P < 0.001

Nosocomial infection in late mixed CS

Increasing trend of nosocomial infection with the increase of total catheterization day and CICU length of stay

Survival during follow-up

Survival rates also followed a similar pattern during the follow-up

Original publication

The association of early or late combined infection with clinical outcomes in cardiogenic shock patients. Eur Heart J Acute Cardiovasc Care. Published 8 August 2025. doi:10.1093/ehjacc/zuaf104

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