Differences in management and prognostication of Cardiogenic Shock patients in the presence and absence of Out-of-hospital Cardiac arrest.

HB Mieritz*, Amalie Ling Povlsen, L Linde, Rasmus Paulin Beske, OKL Helgestad, Jakob Josiassen, C Hassager, H Schmidt, LO Jensen, L Holmvang, JE Møller, HB Ravn

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review


Background: The clinical spectrum of acute myocardial infarction complicated by cardiogenic shock (AMICS) varies. Out-of-hospital cardiac arrest (OHCA) can be the first sign of cardiac failure, whereas others present with various degrees of hemodynamic instability (non-OHCA). The aim of the present study was to explore differences in prehospital management and characteristics of survivors and nonsurvivors in AMICS patients with OHCA or non-OHCA. Methods: Data analysis was based on patient data from the RETROSHOCK cohort comprising consecutive AMICS patients admitted to two tertiary cardiac centers between 2010 and 2017. Results: 1,716 AMICS patientswere included and 42%presented withOHCA.Mortality inOHCApatients was 47% versus 57%in the non-OHCA group. Almost all OHCA patients were intubated before admission (96%). In the non-OHCA group, prehospital intubation (25%) was associated with a better survival (P < 0.001). Lactate level on admission demonstrated a linear relationship with mortality in OHCA patients. In non-OHCA, probability of death was higher for any given lactate level <12 mmol/L compared with OHCA. However, a lactate level >7 mmol/L in non-OHCA did not increasemortality odds any further. Conclusion: Mortality was almost doubled for any admission lactate level up to 7 mmol/L in non-OHCA patients. Above this level, mortality remained unchanged in non-OHCA patients but continued to increase in OHCA patients. Prehospital intubation was performed in almost all OHCA patients but only in one of four patients without OHCA. Early intubation in non-OHCA patients was associated with a better outcome.

Original languageEnglish
JournalShock (Augusta, Ga.)
Issue number2
Pages (from-to)209-214
Publication statusPublished - 1. Feb 2024


  • Humans
  • Lactates
  • Myocardial Infarction/complications
  • Out-of-Hospital Cardiac Arrest/therapy
  • Shock, Cardiogenic/etiology
  • Treatment Outcome
  • mechanical ventilation
  • Cardiogenic shock
  • myocardial infarction
  • lactate
  • out-of-hospital cardiac arrest


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