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Echocardiographic Predictors of Left Ventricular Function and Clinical Outcomes After Successful Mitral Valve Repair: Conventional Two-Dimensional Versus.

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Presentation on theme: "Echocardiographic Predictors of Left Ventricular Function and Clinical Outcomes After Successful Mitral Valve Repair: Conventional Two-Dimensional Versus."— Presentation transcript:

1 Echocardiographic Predictors of Left Ventricular Function and Clinical Outcomes After Successful Mitral Valve Repair: Conventional Two-Dimensional Versus Speckle- Tracking Parameters  Jong-Min Song, MD, PhD, Se Hun Kang, MD, Eun-Jeong Lee, RDCS, Min-Jung Shin, RDCS, Jae Won Lee, MD, PhD, Cheol Hyun Chung, MD, PhD, Dae-Hee Kim, MD, PhD, Duk-Hyun Kang, MD, PhD, Jae-Kwan Song, MD, PhD  The Annals of Thoracic Surgery  Volume 91, Issue 6, Pages (June 2011) DOI: /j.athoracsur Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Representative examples of measuring global longitudinal strain, peak strain rate, and time to peak strain rate on strain (A) and strain rate (B) curves of 2-dimensional speckle-tracking imaging. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Correlations between preoperative parameters and postoperative left ventricular (LV) ejection fraction after mitral valve repair in patients with severe mitral regurgitation. Correlation coefficients of parameters obtained from conventional echocardiography (A) and (B) tended to be higher than those from speckle-tracking images (C) and (D). (GLSR = global longitudinal strain rate; CSR = circumferential strain rate.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Receiver operating characteristics curves for predicting normal left ventricular (LV) systolic function (A) and severe LV dysfunction (B) after mitral valve repair in patients with severe mitral regurgitation. (GLSR = global longitudinal strain rate; CSR = circumferential strain rate.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

5 Fig 4 Event-free survival rates of groups sorted by preoperative best cutoff values of left ventricular (LV) end-systolic dimension (A), and end-systolic volume (B), for predicting severe postoperative LV dysfunction after mitral valve repair in patients with severe mitral regurgitation. Error bars indicate 95% confidence intervals. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

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