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Anita Nguyen, MBBS, Hartzell V. Schaff, MD, Rick A

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Presentation on theme: "Anita Nguyen, MBBS, Hartzell V. Schaff, MD, Rick A"— Presentation transcript:

1 Determinants of Reverse Remodeling of the Left Atrium After Transaortic Myectomy 
Anita Nguyen, MBBS, Hartzell V. Schaff, MD, Rick A. Nishimura, MD, Joseph A. Dearani, MD, Jeffrey B. Geske, MD, Brian D. Lahr, MS, Steve R. Ommen, MD  The Annals of Thoracic Surgery  Volume 106, Issue 2, Pages (August 2018) DOI: /j.athoracsur Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Flowchart of the study population. (LAVI = left atrial volume index.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Scatter plot to depict the relation between preoperative measures of left atrial volume index and severity of mitral valve regurgitation. A smoothed curve estimated by the Loess method was added to visualize the trend. There was a significant association between increased left atrial volume index (LAVI) and greater severity of mitral regurgitation (MR) (Spearman coefficient = 0.31, p < 0.001). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Boxplots to examine differences in preoperative left atrial volume index (LAVI) between groups defined by atrial fibrillation (AF) and cerebrovascular accident (CVA) at baseline. (A) LAVI in patients without (blue) versus with preoperative AF (pink). (B) LAVI in patients without (blue) versus with a history of CVA (pink). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

5 Fig 4 Graphical depiction of the association between preoperative left atrial volume index (LAVI) and risk of postoperative atrial fibrillation (AF) at 5-year follow-up, as estimated by a smoothed Loess curve. Subgroup proportions based on LAVI decile groups are added (triangles) to verify the fit of the curve. There was a significant association between higher levels of preoperative LAVI and increased postoperative risk of AF (p = after adjusting for preoperative AF status). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

6 Fig 5 Kaplan-Meier survival curve, stratified into quartiles by preoperative left atrial volume index (LAVI). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

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