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Left ventricular dysfunction after mitral valve repair—the fallacy of “normal” preoperative myocardial function  Eduard Quintana, MD, Rakesh M. Suri,

Published byΒλάσις Καραμανλής Modified over 6 years ago

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Presentation on theme: "Left ventricular dysfunction after mitral valve repair—the fallacy of “normal” preoperative myocardial function  Eduard Quintana, MD, Rakesh M. Suri,"— Presentation transcript:

1 Left ventricular dysfunction after mitral valve repair—the fallacy of “normal” preoperative myocardial function  Eduard Quintana, MD, Rakesh M. Suri, MD, DPhil, Nassir M. Thalji, MBChB, Richard C. Daly, MD, Joseph A. Dearani, MD, Harold M. Burkhart, MD, Zhuo Li, MSc, Maurice Enriquez-Sarano, MD, Hartzell V. Schaff, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 148, Issue 6, Pages (December 2014) DOI: /j.jtcvs Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Change in left ventricular (LV) end-diastolic diameter (LVEDD) and LV end-systolic diameter (LVESD) between preoperative and early postoperative echocardiograms. Top, Among patients without postoperative LV impairment (ejection fraction [EF] ≥ 50%), (A) LVEDD and (B) LVESD declined after mitral valve repair. Bottom, In those with postoperative LV dysfunction (EF < 50%), (C) LVEDD decreased and (D) LVESD increased after surgical valve repair. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Evolution of echocardiographic data during follow-up compared in both groups according to early postoperative left ventricular ejection fraction (LVEF) < 50% or ≥50% at different time points after mitral valve repair. Comparison of (A) LVEF and (B) left ventricular end-diastolic diameter (LVEDD) (black) and left ventricular end-systolic diameter (LVESD) (gray). The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 Relationship between early ejection fraction (EF) after mitral valve repair and hazard of late death. Hazard ratio and 95% confidence intervals (dotted lines) for the risk of overall mortality, with the left ventricular EF represented as a spline function. Lower postoperative EF was associated with a greater late risk of late death. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

5 Figure 4 Comparison of overall long-term survival stratified by early left ventricular dysfunction (threshold left ventricular ejection fraction [EF] < 40%). 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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