Cardiac Surgery Procedures

IJCS

Editorial

Postoperative Atrial Fibrillation: The Challenge of Risk Prediction

Luiz Eduardo Montenegro Camanho et al. Gustavo Vignoli dos Santos

Atrial fibrillation (AF) is the most common cardiac arrhythmia in clinical practice and is characterized by chaotic activation of the atrium, with f waves present on baseline electrocardiography. Postoperative atrial fibrillation (POAF) is a clinically important complication in patients who underwent heart surgery (coronary artery bypass grafting, or CABG surgery, or valvular surgery). The prevalence of POAF varies from 20 to 40%, with a peak incidence between days two and four after heart surgery.^, Studies suggest that patients undergoing CABG alone have lower incidence of POAF (10 to 40%) compared with those undergoing CABG combined with heart valve replacement (62%).

The most important risk factors associated with this condition are advanced age, heart failure, rheumatic heart disease, hypertension, previous history of AF, left atrial enlargement, chronic kidney failure, and chronic obstructive pulmonary disease (COPD).

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Postoperative Atrial Fibrillation: The Challenge of Risk Prediction

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