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Parameter Predicting Postoperative Atrial Fibrillation in Coronary Artery Bypass Grafting Patients:

İlhan Koyuncu1, Emin Koyun2

  • 1Department of Cardiology, Bakircay University, Cigli Training and Research Hospital, İzmir - Turquia.

Arquivos Brasileiros De Cardiologia
|April 2, 2025
PubMed

Insights

The Triglyceride-Cholesterol-Body weight Index (TCBI) can predict postoperative atrial fibrillation (POAF) after coronary artery bypass grafting (CABG). Low preoperative TCBI indicates a higher risk of developing POAF.

Area of Science:

  • Cardiology
  • Surgical Outcomes
  • Biomarkers

Background:

  • Postoperative atrial fibrillation (POAF) is a frequent complication following cardiac surgery, especially coronary artery bypass grafting (CABG).
  • POAF significantly increases patient morbidity and mortality despite surgical advancements.

Purpose of the Study:

  • To evaluate the Triglyceride-Cholesterol-Body weight Index (TCBI) as a predictive marker for POAF.
  • To assess the influence of nutritional status, indicated by TCBI, on outcomes after CABG.

Main Methods:

  • A retrospective analysis of 321 patients undergoing CABG between January 2010 and January 2024.
  • Preoperative TCBI levels were calculated and compared between patients who developed POAF and those who did not.
  • Statistical methods included Cox regression and ROC analysis to determine TCBI's predictive accuracy for POAF.

Main Results:

  • Patients who developed POAF exhibited significantly lower TCBI levels compared to those without POAF (p<0.001).
  • TCBI was identified as an independent predictor of POAF (OR: 0.998, p<0.001), with a cut-off of 1932.4 offering 75% sensitivity and 78% specificity.
  • Higher age, hypertension, CRP, and WBC were also associated with increased POAF risk.

Conclusions:

  • The TCBI serves as a reliable preoperative indicator for predicting POAF in CABG patients.
  • Identifying patients with low TCBI preoperatively allows for targeted interventions to reduce complications.
  • Optimizing preoperative nutritional status may be a strategy to mitigate POAF risk.
Abstract

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