Coronary angiographic findings after cardiac arrest in relation to ECG and comorbidity

R Lagedal1, L Elfwén2, M Jonsson3

  • 1Department of Surgical Sciences/Anesthesiology and Intensive Care Medicine, Uppsala University, Sweden.

Resuscitation
|September 28, 2019
PubMed

Insights

Evaluating electrocardiogram (ECG) patterns and comorbidities in cardiac arrest patients without ST-elevation is crucial. This helps identify those with high risk of coronary artery lesions needing revascularization.

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Diagnostic Imaging

Background:

  • Specific electrocardiogram (ECG) patterns and comorbidities in cardiac arrest patients are not well-assessed regarding coronary angiographic findings.
  • Identifying patients at high risk for acute coronary artery disease (CAD) as a cause of cardiac arrest requires further evidence.

Purpose of the Study:

  • To describe coronary artery findings after cardiac arrest in relation to ECG and patient comorbidities.
  • To assess the association between ECG patterns, comorbidities, and coronary artery disease in cardiac arrest survivors.

Main Methods:

  • Retrospective study of out-of-hospital cardiac arrest patients who underwent coronary angiography within 28 days.
  • Data collected included ECG on admission, comorbidities, percutaneous coronary intervention (PCI) attempts, and angiographic findings.
  • Information was retrieved from national registries in Sweden.

Main Results:

  • Among 1133 patients, 71% without ST-elevation had significant coronary stenosis.
  • Patients with diabetes mellitus or initial shockable rhythm had higher rates of significant stenosis (84.8% and 71.5%, respectively).
  • PCI attempts varied based on ECG findings, with higher rates in ST-depression or RBBB (right bundle branch block) groups.

Conclusions:

  • ECG patterns and comorbidities in non-ST-elevation cardiac arrest patients are important for identifying high-risk individuals.
  • Early identification of coronary artery lesions may benefit from revascularization strategies.
  • Further research can refine risk stratification for cardiac arrest patients with suspected CAD.
Abstract

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