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Lindsay R. Freud, MD, Gerald R. Marx, MD, Audrey C

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Presentation on theme: "Lindsay R. Freud, MD, Gerald R. Marx, MD, Audrey C"— Presentation transcript:

1 Assessment of the Melody valve in the mitral position in young children by echocardiography 
Lindsay R. Freud, MD, Gerald R. Marx, MD, Audrey C. Marshall, MD, Wayne Tworetzky, MD, Sitaram M. Emani, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 153, Issue 1, Pages e1 (January 2017) DOI: /j.jtcvs Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Illustration of the actual (blue) and potential (red) mitral valve measurements in the (A) lateral and (B) anteroposterior dimensions at the level of the annulus. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Correlation between the preoperative potential mitral valve (A) lateral and (B) anteroposterior dimensions and the maximum balloon dilation of the Melody valve intraoperatively. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 Examples of the Melody valve in the mitral position postoperatively by two-dimensional and color flow Doppler imaging in the (A, B) apical 4-chamber and (C, D) parasternal long-axis views. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

5 Figure 4 Examples of (A) left ventricular outflow tract obstruction as imaged from the parasternal long-axis view and (B) mild perivalvar leak as seen from the apical 4-chamber view. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

6 Figure E1 Bland–Altman plots demonstrating agreement between the (A) potential mitral valve lateral dimension and maximum balloon diameter and (B) potential mitral valve anteroposterior (AP) dimension and maximum balloon diameter. The x axis represents the average of each pair of measurements, and the y axis represents the difference between each pair. The solid line depicts the mean difference, and the dashed lines depict 2 standard deviations (SD) from the mean. The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

7 Echocardiographic image of the Melody valve in the mitral position in a young child.
The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

8 Video 1 Intraoperative insertion of the modified Melody valve in the mitral position in a young patient. Video available at The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

9 Video 2 Transthoracic echocardiogram demonstrating a well-functioning Melody valve in the mitral position from an apical 4-chamber view. Video available at: The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs ) Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

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