Variation in the shape and length of the branches of a thoracoabdominal aortic stent graft: Implications for the role of standard off-the-shelf components

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Presentation transcript:

Variation in the shape and length of the branches of a thoracoabdominal aortic stent graft: Implications for the role of standard off-the-shelf components Ki-Hyuk Park, MD, Jade S. Hiramoto, MD, Linda M. Reilly, MD, Matthew Sweet, MD, Timothy A.M. Chuter, MD Journal of Vascular Surgery Volume 51, Issue 3, Pages 572-576 (March 2010) DOI: 10.1016/j.jvs.2009.09.022 Copyright © 2010 Society for Vascular Surgery Terms and Conditions

Fig 1 Photograph showing four caudally-oriented cuffs on a narrow (18-mm-wide) segment of the standard stent graft. Journal of Vascular Surgery 2010 51, 572-576DOI: (10.1016/j.jvs.2009.09.022) Copyright © 2010 Society for Vascular Surgery Terms and Conditions

Fig 2 A transaxial representation of computed tomographic angiography (CTA), showing measurement of a planned cuff orientation (red arrow) relative to a line (white arrow) through the centerline of the aortic lumen. Journal of Vascular Surgery 2010 51, 572-576DOI: (10.1016/j.jvs.2009.09.022) Copyright © 2010 Society for Vascular Surgery Terms and Conditions

Fig 3 A diagram showing how the difference between actual cuff orientation (blue arrow) and actual vessel orientation (red arrow) projects to the surface of the aorta as an arc length (black arrow). Journal of Vascular Surgery 2010 51, 572-576DOI: (10.1016/j.jvs.2009.09.022) Copyright © 2010 Society for Vascular Surgery Terms and Conditions

Fig 4 A diagram showing how true branch length (TBL) is measured as the distance between a marker at the outer end of the cuff and the orifice of the target artery, whereas longitudinal branch length (LBL) is measured as the axial displacement between these two landmarks. Journal of Vascular Surgery 2010 51, 572-576DOI: (10.1016/j.jvs.2009.09.022) Copyright © 2010 Society for Vascular Surgery Terms and Conditions

Fig 5 A diagram showing the longitudinal branch angle (LBA), the longitudinal branch length (BL), and the arc length (AL). Journal of Vascular Surgery 2010 51, 572-576DOI: (10.1016/j.jvs.2009.09.022) Copyright © 2010 Society for Vascular Surgery Terms and Conditions

Fig 6 The positions of the arterial orifices relative to the corresponding cuffs. Journal of Vascular Surgery 2010 51, 572-576DOI: (10.1016/j.jvs.2009.09.022) Copyright © 2010 Society for Vascular Surgery Terms and Conditions