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

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Presentation transcript:

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 447-453 (August 2018) DOI: 10.1016/j.athoracsur.2018.03.039 Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 Flowchart of the study population. (LAVI = left atrial volume index.) The Annals of Thoracic Surgery 2018 106, 447-453DOI: (10.1016/j.athoracsur.2018.03.039) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

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 2018 106, 447-453DOI: (10.1016/j.athoracsur.2018.03.039) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

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 2018 106, 447-453DOI: (10.1016/j.athoracsur.2018.03.039) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

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 = 0.002 after adjusting for preoperative AF status). The Annals of Thoracic Surgery 2018 106, 447-453DOI: (10.1016/j.athoracsur.2018.03.039) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions

Fig 5 Kaplan-Meier survival curve, stratified into quartiles by preoperative left atrial volume index (LAVI). The Annals of Thoracic Surgery 2018 106, 447-453DOI: (10.1016/j.athoracsur.2018.03.039) Copyright © 2018 The Society of Thoracic Surgeons Terms and Conditions