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Tear size and location impacts false lumen pressure in an ex vivo model of chronic type B aortic dissection  Thomas T. Tsai, MD, Marty S. Schlicht, MS,

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Presentation on theme: "Tear size and location impacts false lumen pressure in an ex vivo model of chronic type B aortic dissection  Thomas T. Tsai, MD, Marty S. Schlicht, MS,"— Presentation transcript:

1 Tear size and location impacts false lumen pressure in an ex vivo model of chronic type B aortic dissection  Thomas T. Tsai, MD, Marty S. Schlicht, MS, Khalil Khanafer, PhD, Joseph L. Bull, PhD, Doug T. Valassis, BSE, David M. Williams, MD, Ramon Berguer, MD, PhD, Kim A. Eagle, MD  Journal of Vascular Surgery  Volume 47, Issue 4, Pages (April 2008) DOI: /j.jvs Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

2 Fig 1 A, Type B aortic dissection with a patent false lumen maintained by proximal and distal tears. B, Type B aortic dissection with partial thrombosis of the false lumen. The laminar thrombus can be seen occluding the distal tear. C, Type B aortic dissection with proximal stent graft and patent distal tear. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

3 Fig 2 Schematic of ex-vivo circulation.
Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

4 Fig 3 A, Photograph of dissection model. B, Photograph of dissection model in cross-section. TL, true lumen; FL, false lumen; a, true lumen wall thickness = 3 mm; b, dissection flap wall thickness = 2 mm; c, false lumen wall thickness = 1 mm. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

5 Fig 4 Dissection model configurations. Model A, Proximal and distal tear. Model B, Proximal tear only. Model C, Distal tear only. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

6 Fig 5 Pressure waveforms. A, Dissection model A with 6.4 mm proximal and 6.4 mm distal tear. B, Dissection model B with proximal 6.4 mm tear only. C, Dissection model C with 3.2 mm tear only. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

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