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Turning to the truth: Is mechanical aortic valve orientation important in transthoracic echocardiographic detection of prosthetic dysfunction and paravalvular.

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Presentation on theme: "Turning to the truth: Is mechanical aortic valve orientation important in transthoracic echocardiographic detection of prosthetic dysfunction and paravalvular."— Presentation transcript:

1 Turning to the truth: Is mechanical aortic valve orientation important in transthoracic echocardiographic detection of prosthetic dysfunction and paravalvular endocarditis complications?  Hector I. Michelena, MD, Rakesh M. Suri, MD, DPhil  The Journal of Thoracic and Cardiovascular Surgery  Volume 150, Issue 2, Pages (August 2015) DOI: /j.jtcvs Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 A, Transthoracic echocardiographic parasternal long-axis view systolic still frame shows a mechanical aortic valve with good systolic bileaflet visualization (arrows) even though disks are oriented perpendicular to the ultrasound beam. B, Transthoracic echocardiographic parasternal short-axis view systolic still-frame on the same patient also shows good systolic bileaflet visualization (arrows) despite valve orientation. RV, Right ventricle; LV, left ventricle; LA, left atrium; RA, right atrium. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Bileaflet mechanical aortic valve systolic excursion appears normal in short-axis view (A and B); however, opening angles are abnormal by fluoroscopy (C). Arrows depict bileaflet mechanism in early systole (A) and late systole (B). Pannus-related mechanical aortic valve obstruction identified at the time of surgical aortic valve re-replacement (D). LA, Left atrium. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

4 The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

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