Outcomes of patients with acute coronary syndrome according to COVID-19 vaccination status

Ranin Hilu, Zahi Abu Ghosh, David Leibowitz, Ziad Arow, Tal Ovdat, Tsafrir Or, David Pereg, Ronny Alcalai

Research output: Contribution to journalArticlepeer-review

Abstract

Background COVID-19 vaccination has been associated with reduced risk of acute coronary syndrome (ACS); however, several studies have reported cardiovascular complications following vaccination. We aimed to investigate the effect of COVID-19 vaccination status on the treatment and outcome of ACS patients. Methods The study was based on the 2021 Acute Coronary Syndrome Israeli Survey. Patients were stratified into two groups according to COVID-19 vaccination status, vaccinated compared to unvaccinated. Patients who had received at least 2 vaccination doses up to 1 week prior to ACS hospitalization were considered vaccinated. The primary endpoint was 1-year all-cause mortality. Results A total of 1261 patients with ACS were included, of whom 990 (78.5%) were vaccinated. Vaccinated patients were older and less frequently smokers. There were no significant differences in coronary reperfusion rates and treatment with guideline-based medical therapy during hospital stay and at discharge. The primary endpoint of 1-year all-cause mortality occurred in 38 (3.8%) and 14 (5.2%) patients in the vaccinated and unvaccinated groups respectively (P = 0.42). 30-day MACE occurred in 94 (9.5%) in the vaccinated patients compared to 31 (11.5%) in the unvaccinated group (P = 0.39). These results remained similar following adjustment for confounders. Conclusion There was no association between COVID-19 vaccination status and the outcomes of patients with ACS. Our findings provide support for the cardiovascular safety of COVID-19 mRNA vaccines in patients at high cardiovascular risk.

Original languageEnglish
Pages (from-to)470-474
Number of pages5
JournalCoronary Artery Disease
Volume34
Issue number7
DOIs
StatePublished - 1 Nov 2023

Bibliographical note

Publisher Copyright:
© 2023 Lippincott Williams and Wilkins. All rights reserved.

Keywords

  • COVID-19
  • COVID-19 vaccination
  • acute coronary syndrome

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