Postoperative atrial fibrillation following cardiac surgery: A persistent complication

Jason W. Greenberg, Timothy S. Lancaster, Richard B. Schuessler, Spencer J. Melby

Research output: Contribution to journalReview articlepeer-review

57 Scopus citations

Abstract

Postoperative atrial fibrillation (POAF) is a common, expensive and potentially morbid complication following cardiac surgery. POAF occurs in around 35% of cardiac surgery cases and has a peak incidence on postoperative day 2. Patients who develop POAF incur on average $10 000-$20 000 in additional hospital treatment costs, 12-24 h of prolonged ICU time, and an additional 2 to 5 days in the hospital. POAF has been identified as an independent predictor of numerous adverse outcomes, including a 2- to 4-fold increased risk of stroke, reoperation for bleeding, infection, renal or respiratory failure, cardiac arrest, cerebral complications, need for permanent pacemaker placement, and a 2-fold increase in all-cause 30-day and 6-month mortality. The pathogenesis of POAF is incompletely understood but likely involves interplay between pre-existing physiological components and local and systemic inflammation. POAF is associated with numerous risk factors including advanced age, pre-existing conditions that cause cardiac remodelling and certain non-cardiovascular conditions. Clinical management of POAF includes both prophylactic and therapeutic measures, although the efficacy of many interventions remains in question. This review provides a comprehensive and up-to-date summary of the pathogenesis of POAF, outlines current clinical guidelines for POAF prophylaxis and management, and discusses new avenues for further investigation.

Original languageEnglish
Pages (from-to)665-672
Number of pages8
JournalEuropean Journal of Cardio-thoracic Surgery
Volume52
Issue number4
DOIs
StatePublished - Oct 1 2017

Keywords

  • Cardiac surgery
  • Inflammation
  • Oxidative damage
  • Postoperative atrial fibrillation

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