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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Atrial Fibrillation After Coronary Artery Bypass Grafting and Its Relationship with Hospital Complications in São

Adnaldo da Silveira Maia1, Dayara Hoffmann Mayer2, Renê Augusto Gonçalves E Silva3

  • 1Department of Cardiovascular Surgery, Instituto Dante Pazzanese de Cardiologia (IDPC), São Paulo, São Paulo, Brazil.

Brazilian Journal of Cardiovascular Surgery
|May 15, 2024
PubMed

Insights

Postoperative atrial fibrillation (POAF) after coronary artery bypass grafting (CABG) increases mortality and complications like pneumonia and sepsis. Early identification of POAF is crucial for better patient outcomes in cardiovascular surgery.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Critical Care Medicine

Background:

  • Postoperative atrial fibrillation (POAF) is a common complication following cardiovascular surgery.
  • Its multifactorial genesis necessitates prompt identification to mitigate associated risks.

Purpose of the Study:

  • To determine the incidence of POAF in patients undergoing coronary artery bypass grafting (CABG).
  • To investigate the association between POAF and other postoperative complications in this patient cohort.

Main Methods:

  • A multicenter, observational study utilizing data from the REPLICCAR II registry (2017-2019).
  • Inclusion of patients undergoing isolated CABG, with data prospectively collected via REDCap.
  • Propensity score matching used to create comparable groups (POAF vs. no POAF) for analysis.

Main Results:

  • Out of 3,803 patients, 605 developed POAF.
  • POAF group (n=605) showed higher mortality (9.26%), prolonged ventilation, increased pneumonia, and sepsis rates compared to the non-POAF group.
  • Multiple analysis linked POAF to acute renal dysfunction and extended intensive care unit (ICU) stay.

Conclusions:

  • POAF in CABG patients is significantly associated with adverse outcomes.
  • These include longer ICU and hospital stays, increased risk of renal dysfunction, pneumonia, and in-hospital mortality.
Abstract

Keywords:
Atrial FibrillationCoronary Artery BypassDatabaseMortality

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