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Author Spotlight: Innovative Technique for Coronary Angiography in Marginal Donors
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Author Spotlight: Innovative Technique for Coronary Angiography in Marginal Donors

Published on: July 12, 2024

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Coronary angiography after cardiac arrest without ST-elevation myocardial infarction: a network meta-analysis

Sebastian Heyne1, Sascha Macherey1, Max M Meertens1

  • 1University of Cologne, Faculty of Medicine and University Hospital Cologne, Clinic III for Internal Medicine, Kerpener Str. 62, 50937 Cologne, Germany.

European Heart Journal
|October 27, 2022
PubMed

Insights

Early coronary angiography (CAG) after out-of-hospital cardiac arrest without ST-elevation myocardial infarction (NSTE-OHCA) is not routinely supported by randomized trials. Non-randomized studies suggest benefit, but are prone to bias.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Critical Care Medicine

Background:

  • Early coronary angiography (CAG) is debated for patients with out-of-hospital cardiac arrest without ST-elevation myocardial infarction (NSTE-OHCA).
  • Previous findings suggesting early CAG superiority stem from non-randomized studies (NRS).

Purpose of the Study:

  • To assess the effect of early versus selective CAG in NSTE-OHCA patients.
  • To evaluate survival and neurological outcomes based on study design.

Main Methods:

  • Network meta-analysis of 16 studies (6 RCTs, 10 NRS) comparing early vs. selective CAG.
  • Systematic literature search across EMBASE, MEDLINE, and Web of Science.
  • Random effects models (DerSimonian-Laird and Bayesian) were employed.

Main Results:

  • Overall analysis of all studies showed increased survival with early CAG (OR: 1.40, 95% CI: 1.12-1.76).
  • Subgroup analysis of RCTs found no significant survival benefit for early CAG (OR: 0.89, 95% CI: 0.73-1.10).
  • NRS indicated significantly increased survival with late CAG compared to early CAG (OR: 4.20, 95% CI: 1.22-20.91).

Conclusions:

  • The perceived benefit of early CAG in NSTE-OHCA is likely due to bias in non-randomized studies.
  • Meta-analysis of RCTs does not support routine early CAG for NSTE-OHCA patients.
Abstract

Keywords:
Coronary angiographyMortalityNSTE-OHCA

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