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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

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Epidemiology of cardiogenic shock and cardiac arrest complicating non-ST-segment elevation myocardial infarction:

Saraschandra Vallabhajosyula1,2,3, Jacob C Jentzer1,2, Abhiram Prasad1

  • 1Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.

ESC Heart Failure
|April 10, 2021
PubMed

Insights

The combination of cardiogenic shock (CS) and cardiac arrest (CA) significantly increases mortality and organ failure in non-ST-segment elevation myocardial infarction (NSTEMI) patients. This dual complication leads to worse outcomes than either condition alone.

Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Health Services Research

Background:

  • Non-ST-segment elevation myocardial infarction (NSTEMI) is a common presentation of acute coronary syndrome.
  • Cardiogenic shock (CS) and cardiac arrest (CA) are severe complications that can arise during NSTEMI.
  • The combined impact of CS and CA on NSTEMI outcomes is not fully elucidated.

Purpose of the Study:

  • To evaluate the impact of the combination of cardiogenic shock (CS) and cardiac arrest (CA) in patients with non-ST-segment elevation myocardial infarction (NSTEMI).
  • To compare outcomes between NSTEMI patients with CS only, CA only, both CS and CA, and neither complication.

Main Methods:

  • Analysis of adult NSTEMI admissions from the National Inpatient Sample database (2000-2017).
  • Stratification of patients based on the presence of CS and/or CA.
  • Comparison of in-hospital mortality, early coronary angiography rates, hospitalization costs, and length of stay.

Main Results:

  • NSTEMI admissions with both CS and CA showed significantly higher rates of multiorgan failure compared to CS alone or CA alone.
  • The CS + CA cohort experienced substantially higher in-hospital mortality (aOR 4.12) compared to CS alone, CA alone, or no CS/CA.
  • NSTEMI patients with CS (alone or with CA) had increased hospitalization costs and longer hospital stays.

Conclusions:

  • The combination of CS and CA in NSTEMI admissions is associated with a significantly higher risk of acute non-cardiac organ failure.
  • NSTEMI patients experiencing both CS and CA have markedly worse in-hospital mortality rates compared to those with either complication individually.
  • The presence of CS, particularly when combined with CA, represents a critical factor driving adverse outcomes, increased costs, and prolonged hospitalizations in NSTEMI.
Abstract

Keywords:
Acute cardiovascular careCardiac arrestCardiogenic shockNon-ST-segment elevation myocardial infarctionOutcomes research

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