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Abdominal aortic aneurysm diameter: A comparison of ultrasound measurements with those from standard and three-dimensional computed tomography reconstruction 

Published byPernille Gabrielsen Modified over 5 years ago

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Presentation on theme: "Abdominal aortic aneurysm diameter: A comparison of ultrasound measurements with those from standard and three-dimensional computed tomography reconstruction "— Presentation transcript:

1 Abdominal aortic aneurysm diameter: A comparison of ultrasound measurements with those from standard and three-dimensional computed tomography reconstruction  Brian J. Manning, MD, FRCSI, Thorarinn Kristmundsson, MD, Björn Sonesson, MD, PhD, Timothy Resch, MD, PhD  Journal of Vascular Surgery  Volume 50, Issue 2, Pages (August 2009) DOI: /j.jvs Copyright © 2009 Society for Vascular Surgery Terms and Conditions

2 Fig 1 Differing diameter measurements according to axis. Clockwise from left: maximum anteroposterior, maximum ellipse and perpendicular to maximum ellipse, perpendicular to the centerline of flow, and three-dimensional reconstruction along the axis of the centerline of flow. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

3 Fig 2 Correlation between computed tomography (CT) anteroposterior (AP) measurement and ultrasound AP measurement. Correlation coefficient was 0.91. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

4 Fig 3 Bland-Altman plots illustrate the bias towards smaller mean diameter measurements for AP ultrasound (US) when compared with computed tomography (CT) in different planes (A) anteroposterior (AP) (B) maximum ellipse (ME), (C) perpendicular to the centerline of flow (PCLF), (D) perpendicular to the maximum ellipse (PME). Differences between CT measurements are also shown in (E) CT-AP vs CT-PCLF and (F) CT PCLF vs CT PME. Note that the x-axis range varies between plots. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

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