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Valve replacement surgery for older individuals with preoperative atrial fibrillation: The effect of prosthetic valve choice and surgical ablation  Ho.

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Presentation on theme: "Valve replacement surgery for older individuals with preoperative atrial fibrillation: The effect of prosthetic valve choice and surgical ablation  Ho."— Presentation transcript:

1 Valve replacement surgery for older individuals with preoperative atrial fibrillation: The effect of prosthetic valve choice and surgical ablation  Ho Jin Kim, MD, Joon Bum Kim, MD, PhD, Sung-Ho Jung, MD, Suk Jung Choo, MD, PhD, Cheol Hyun Chung, MD, PhD, Jae Won Lee, MD, PhD  The Journal of Thoracic and Cardiovascular Surgery  Volume 147, Issue 6, Pages (June 2014) DOI: /j.jtcvs Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Propensity scores for A, surgical ablation and B, bioprosthetic valve. Each model had a C statistic of 0.72 and a Hosmer-Lemeshow goodness-of-fit P = .77 (A) and a C statistics of 0.43 and a Hosmer-Lemeshow goodness-of-fit P = .84 (B), indicating that both models were adequately calibrated, with strong discrimination. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Unadjusted Kaplan-Meier curves for all-cause mortality according to the A, performance of surgical ablation, B, valve type, C, event-free survival according to the performance of surgical ablation, and D, event-free survival stratified by valve type. Major adverse valve-related events included thromboembolic events, bleeding, operated valve endocarditis, and reoperation. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 Survival curves adjusted by weighted Cox proportional hazards regression models and propensity score for all-cause mortality according to the A, performance of surgical ablation, B, valve type, C, event-free survival according to the performance of surgical ablation, and D, event-free survival stratified by valve type. Major adverse valve-related events included thromboembolic events, bleeding, operated valve endocarditis, and reoperation. HR, Hazard ratio; CI, confidence interval. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

5 Figure 4 A, Unadjusted and B, adjusted survival curves for all-cause mortality of each subgroup. The subgroups were divided according to the performance of surgical ablation and prosthetic valve type. Adjustment was conducted using Cox proportional hazards regression models. MV, Mitral valve; TV, tricuspid valve. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

6 Figure 5 A, Adjusted hazard ratios (HRs) for all-cause mortality according to A, the performance of surgical ablation in subgroups according to multivariate risk factors, and B, the choice of prosthetic valve type in subgroups according to multivariate risk factors. HRs were adjusted by weighted Cox proportional hazards regression models and propensity scores. CI, Confidence interval; AF, atrial fibrillation. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

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