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Predicting Postoperative Atrial Fibrillation Using HARMS2-AF Score.

Can Ramazan Öncel1, Cemal Köseoğlu1, Göksel Dağaşan1

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|September 18, 2024
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The new HARMS2-AF risk score accurately predicts postoperative atrial fibrillation (POAF) after coronary artery bypass grafting (CABG) surgery. This score can help stratify patients at risk for developing atrial fibrillation post-cardiac surgery.

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Risk Prediction

Background:

  • Postoperative atrial fibrillation (POAF) is a frequent complication following cardiac surgery.
  • Existing risk scores have limited accuracy in identifying patients susceptible to POAF.
  • Accurate prediction of POAF is crucial for patient management and outcomes.

Purpose of the Study:

  • To evaluate the efficacy of the novel HARMS2-AF risk score.
  • To predict the incidence of POAF specifically after coronary artery bypass grafting (CABG) surgery.

Main Methods:

  • Retrospective cohort study including 265 patients undergoing CABG surgery (2022-2023).
  • Data collected from patient medical files and hospital records.
  • HARMS2-AF risk score assigned to each patient; univariate and multivariate regression analyses performed.

Main Results:

  • 49 out of 265 patients developed POAF.
  • Higher HARMS2-AF scores were observed in patients with POAF.
  • Independent predictors of POAF included age, sleep apnea, left atrial diameter, and HARMS2-AF score.
  • A HARMS2-AF score ≥ 4.5 demonstrated 91% sensitivity and 64% specificity for POAF prediction (AUC = 0.787).

Conclusions:

  • The HARMS2-AF score is a robust predictor of atrial fibrillation (AF) development post-isolated CABG.
  • This score serves as a valuable new tool for stratifying AF risk in cardiac surgery patients.