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Updated: Jul 11, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

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Published on: February 26, 2013

Prospective Study of Risk Factors for Postoperative Atrial Fibrillation After Cardiac Surgery.

Michael E Bowdish¹, Emilia Bagiella², Gennaro Giustino²

¹Department of Cardiac Surgery, Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, California.

The Journal of Surgical Research

|November 6, 2023

Summary

Older age, White non-Hispanic race, heart failure, and hypothyroidism increase the risk of new-onset postoperative atrial fibrillation (POAF) after cardiac surgery. Valve repair or replacement, with or without coronary artery bypass grafting (CABG), also elevates POAF risk.

Keywords:

Postoperative atrial fibrillation Risk factor

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Published on: July 20, 2022

Area of Science:

Cardiology
Cardiac Surgery
Electrophysiology

Background:

Postoperative atrial fibrillation (POAF) is a common complication after cardiac surgery.
Identifying risk factors for POAF is crucial for patient management and outcomes.

Purpose of the Study:

To investigate the risk factors associated with new-onset POAF in patients undergoing cardiac surgery.

Main Methods:

Prospective cohort study of 2104 patients from the Cardiothoracic Surgical Trials Network.
Multivariable logistic regression analysis was used to identify predictors of POAF.

Main Results:

POAF occurred in 33.0% of patients.
Increased POAF risk was linked to older age, White non-Hispanic race, heart failure, and hypothyroidism.
Valve repair/replacement, with or without CABG, increased POAF risk compared to isolated CABG.

Conclusions:

Older age, White non-Hispanic race, hypothyroidism, heart failure, and specific surgical procedures (valve repair/replacement) are significant risk factors for POAF.
No preoperative cardiac medications were found to be associated with POAF risk.