Vol. 12 No. 2 (2020): Archives of Public Health
Clinical Science

Predictors of atrial fibrillation following coronary artery bypass surgery

Marija Gjerakaroska-Radovikj
University Clinic for State Cardiac Surgery, Skopje, Republic of North Macedonia
Elizabeta Srbinovska-Kostovska
Faculty of Medicine, Ss. Cyril and Methodius University, Skopje, Republic of North Macedonia
Cvetanka Gjerakaroska-Savevska
Faculty of Medicine, Ss. Cyril and Methodius University, Skopje, Republic of North Macedonia
Sasko Jovev
Faculty of Medicine, Ss. Cyril and Methodius University, Skopje, Republic of North Macedonia

Published 2020-07-16

Keywords

  • postoperative atrial fibrillation,
  • cardiac surgery,
  • predictors,
  • prognosis

How to Cite

1.
Gjerakaroska-Radovikj M, Srbinovska-Kostovska E, Gjerakaroska-Savevska C, Jovev S. Predictors of atrial fibrillation following coronary artery bypass surgery. Arch Pub Health [Internet]. 2020 Jul. 16 [cited 2021 Dec. 4];12(2):5-14. Available from: https://id-press.eu/aph/article/view/5219

Abstract

Atrial fibrillation (AF) is the most common type of arrhythmia following open heart surgery and it contributes to prolonged hospital stay, increased prevalence of thromboembolic complications and overall increased postoperative morbidity and mortality. The aim of this prospective observational follow-up study was to determine the incidence of postoperative atrial fibrillation (POAF) in patients undergoing coronary artery bypass surgery, to identify predisposing  risk factors for its occurrence in the immediate preoperative period and to assess its effect on the postoperative outcome in patients at the University Clinic for Cardiac Surgery in Skopje, North Macedonia. Material and methods: The study included patients at the University Clinic for Cardiac Surgery in Skopje, North Macedonia undergoing coronary artery bypass surgery. The experimental group included patients developing POAF, whereas the control group those who did not develop the primary outcome. All patients were followed up for a period of 30 days postoperatively. Results: POAF was registered in 38% of the patient population and more frequently in the elderly. Patients developing POAF had significantly higher left atrial volume index, as well as higher CHADS2-VASC2, HATCH and Euroscore I values. Average time to POAF occurrence was 48-72 hours postoperatively. There were death outcomes, thromboembolic events, longer hospital stay, need for antiarrhythmic and oral anticoagulant therapy in the POAF group. Conclusion: POAF significantly increases postoperative morbidity and mortality in patients undergoing coronary artery bypass surgery. Age, higher CHADS2-VASC2, HATCH and Euroscore I values and left atrial volume were found to be significant predictors of POAF after coronary artery bypass surgery.

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