ArticleSisli Etfal Hastanesi tip bulteni2025
The Role of Preoperative CHA2DS2-VASc Score in Predicting Late Saphenous Vein Graft Failure in Non-STEMI Patients with Prior Coronary Artery Bypass Grafting: A Retrospective Study.
Article in Sisli Etfal Hastanesi tip bulteni, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: Despite the prevalence of saphenous vein graft (SVG) failure following coronary artery bypass graft (CABG) surgery, SVGs continue to be widely used. This study aimed to investigate the value of the CHA2DS2-VASc score, originally developed for predicting thromboembolic events in atrial fibrillation, in predicting SVG failure post-CABG. Methods: This retrospective study analyzed data from 526 patients with a history of CABG who presented with non-ST-elevation myocardial infarction between January 2017 and April 2024. SVG failure was defined as exhibiting stenosis of 70% or greater, or complete occlusion. Preoperative CHA2DS2-VASc scores were calculated for each patient. Multivariable analysis was conducted to identify independent predictors of SVG failure. Results: Among the 526 patients, 242 (46%) experienced SVG failure. Patients with SVG failure exhibited higher CHA2DS2-VASc scores. Multivariable analysis identified the CHA2DS2-VASc score (OR: 2.203, 95% CI: 1.672-2.902, p<0.001), time interval after CABG (OR: 1.167, 95% CI: 1.081-1.259, p<0.001), and number of SVGs (OR: 2.378, 95% CI: 1.745-3.241, p<0.001) as independent predictors of SVG failure. Of those parameters, the CHA2DS2-VASc score demonstrated a higher AUC value (AUC=0.796, AUC=0.724, AUC=0.641, respectively). Conclusion: Pre-operative CHA2DS2-VASc score may be predictive of late SVG failure after CABG.
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