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Clinical utility of CHADS2 and CHA2DS2-VASc scoring systems for predicting postoperative atrial fibrillation after cardiac surgery  Su-Kiat Chua, MD,

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Presentation on theme: "Clinical utility of CHADS2 and CHA2DS2-VASc scoring systems for predicting postoperative atrial fibrillation after cardiac surgery  Su-Kiat Chua, MD,"— Presentation transcript:

1 Clinical utility of CHADS2 and CHA2DS2-VASc scoring systems for predicting postoperative atrial fibrillation after cardiac surgery  Su-Kiat Chua, MD, Kou-Gi Shyu, MD, PhD, Ming-Jen Lu, MD, Li-Ming Lien, MD, PhD, Chia-Hsun Lin, MD, Hung-Hsing Chao, MD, PhD, Huey-Ming Lo, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 146, Issue 4, Pages e1 (October 2013) DOI: /j.jtcvs Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Postoperative atrial fibrillation (POAF) rates and scores. The POAF rates continuously increased as the CHADS2 (A) and CHA2DS2-VASc (B) scores increased. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Postoperative atrial fibrillation (POAF)-free rate curves for patients with higher and lower CHADS2 and CHA2DS2-VASc scores. The Kaplan-Meier survival analysis showed that the patients with CHADS2 scores of at least 2 had a higher event rate than did the patients with CHADS2 scores lower than 2 (log-rank, P < .001; A). In addition, a CHA2DS2-VASc score of at least 2 also significantly predicted occurrences of postoperative atrial fibrillation (log-rank, P < .001; B). The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 A, Postoperative atrial fibrillation (POAF) rates in the patients with CHADS2 scores of 0 or 1. Postoperative atrial fibrillation rates progressively increased from 6% to 44% with increasing CHA2DS2-VASc score. B, Flowchart of postoperative atrial fibrillation rates and scores. This flowchart demonstrates the postoperative atrial fibrillation rates in the patients stratified according to CHADS2 and CHA2DS2-VASc scores. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

5 Figure E1 Adjusted odds ratios of CHADS2 or CHA2DS2-VASc scores for predicting postoperative atrial fibrillation after cardiac surgery. The patients with increased CHADS2 or CHA2DS2-VASc scores face a progressively increasing risk of postoperative atrial fibrillation with each subsequent increment in score. The odds ratio is defined as the likelihood of postoperative atrial fibrillation after cardiac surgery compared with scores of 0. *P < .05 compared with CHADS2 score of 0. †P < .05 compared with CHA2DS2-VASc score of 0. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

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