Objective: To investigate the utility of systemic immune-inflammation index (SII) and inflammatory panel in predicting the risk of postoperative atrial fibrillation (PoAF) among patients undergoing elective isolated coronary artery bypass grafting (CABG).

Methods: A total of 116 patients (mean age: 61.9 ± 9.8 years, 78.4% were males) undergoing   isolated CABG were included in this retrospective study. Patients were divided into two groups, including those who developed PoAF (N = 26) and those without PoAF (N = 90). Inflammatory panel was evaluated in both groups.

Results: Patients with PoAF had significantly higher values for P-wave dispersion (PWD; 53.9 ± 5.9 versus 40.2 ± 5.1, P < .001), HATCH score (2.4 ± 1.3 versus 1 ± 1.1, P < .001), and left atrial dimension (4.0 ± 0.3 versus 3.8 ± 0.2 cm, P = .003). In the multivariate analysis with inclusion of PWD, HATCH score and SII, only SII (OR 1.007, 95% CI 1.002 to 1.012, P = .003) and PWD (OR 1.86, 95% CI 1.225 to 2.757, P = .002) were shown to be independent predictors of increased risk for PoAF.

Conclusion: Preoperative SII seems to be a non-invasive readily available marker that significantly predicts the risk of PoAF in patients undergoing isolated CABG.

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http://dx.doi.org/10.1532/hsf.4861DOI Listing

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