Major Adverse Cardiovascular Events Associated With Postoperative Atrial Fibrillation After Noncardiac Surgery: A Systematic Review and Meta-Analysis

Ahmed AlTurki, Mariam Marafi, Riccardo Proietti, Daniela Cardinale, Robert Blackwell, Paul Dorian, Amal Bessissow, Lucy Vieira, Isabelle Greiss, Vidal Essebag, Jeff S. Healey, Thao Huynh

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Postoperative atrial fibrillation (POAF) is a frequent occurrence after noncardiac surgery. It remains unclear whether POAF is associated with an increased risk of major adverse events. We aimed to elucidate the risk of stroke, myocardial infarction, and death associated with POAF following noncardiac surgery by a meta-analysis of randomized controlled studies and observational studies. METHODS: We searched electronic databases from inception up to August 1, 2019 for all studies that reported stroke or myocardial infarction in adult patients who developed POAF following noncardiac surgery. We used random-effects models to summarize the studies. RESULTS: The final analyses included 28 studies enrolling 2 612 816 patients. At 1-month (10 studies), POAF was associated with an ≈3-fold increase in the risk of stroke (weighted mean 2.1% versus 0.7%; odds ratio [OR], 2.82 [95% CI, 2.15-3.70]; P<0.001). POAF was associated with ≈4-fold increase in the long-term risk of stroke with (weighted mean, 2.0% versus 0.6%; OR, 4.12 [95% CI, 3.32-5.11]; P≤0.001) in 8 studies with ≥12-month follow-up. There was a significant overall increase in the risk of stroke and myocardial infarction associated with POAF (weighted mean, 2.5% versus 0.9%; OR, 3.44 [95% CI, 2.38-4.98]; P<0.001) and (weighted mean, 12.6% versus 2.7%; OR, 4.02 [95% CI, 3.08-5.24]; P<0.001), respectively. Furthermore, POAF was associated with a 3-fold increase in all-cause mortality at 30 days (weighted mean, 15.0% versus 5.4%; OR, 3.36 [95% CI, 2.13-5.31]; P<0.001). CONCLUSIONS: POAF was associated with markedly higher risk of stroke, myocardial infarction, and all-cause mortality following noncardiac surgery. Future studies are needed to evaluate the impact of optimal cardiovascular pharmacotherapies to prevent POAF and to decrease the risk of major adverse events in these high-risk patients.

Original languageEnglish
Pages (from-to)e007437
JournalCirculation. Arrhythmia and electrophysiology
Volume13
Issue number1
DOIs
Publication statusPublished - Jan 1 2020

Keywords

  • atrial fibrillation
  • general surgery
  • myocardial infarction
  • stroke
  • thoracic surgery

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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