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Related Experiment Video

Updated: May 12, 2025

Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
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Using a Cardiogenic Shock Classification System for Predicting Postcardiotomy Shock Mortality.

Yiwen Wang1, Chenglong Li1, Liangshan Wang1

  • 1Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.

JACC. Asia
|May 8, 2025
PubMed
Summary
This summary is machine-generated.

Cardiogenic shock (CS) in cardiac surgery patients is common, affecting 11.1%. The Society for Cardiovascular Angiography and Intervention (SCAI) classification effectively predicts in-hospital mortality risk, showing higher mortality with increased CS severity.

Keywords:
cardiac surgerycardiogenic shockcoronary artery bypass graftingmortalityoutcomepostcardiotomy

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Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Cardiac Surgery

Background:

  • Cardiogenic shock (CS) is a critical condition impacting hemodynamic stability.
  • CS management varies with shock severity and patient population.
  • The Society for Cardiovascular Angiography and Intervention (SCAI) introduced a new CS classification system.

Purpose of the Study:

  • To evaluate parameters defining CS stages in postcardiotomy patients.
  • To assess the diagnostic utility of the SCAI CS classification for predicting outcomes in cardiac surgery patients.

Main Methods:

  • A retrospective observational study of 8,335 adult cardiac surgery patients (January-December 2022).
  • Patients were stratified into 5 groups based on lactate levels and interventions (vasopressors, mechanical circulatory support).
  • Primary outcome was in-hospital mortality.

Main Results:

  • CS incidence was 11.1% (970 patients).
  • Distribution across SCAI stages A-E showed significant differences (P < 0.001).
  • In-hospital mortality progressively increased with CS severity, from 0.4% in Stage A to 31.0% in Stage E (P < 0.001). The AUC was 0.781.

Conclusions:

  • CS affects 11.1% of postcardiotomy patients.
  • SCAI-derived criteria for CS severity correlate well with in-hospital mortality in this population.