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Utility of magnetic resonance imaging in establishing a venous pressure gradient in a patient with possible nutcracker syndrome  Ari Goldberg, MD, PhD,

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Presentation on theme: "Utility of magnetic resonance imaging in establishing a venous pressure gradient in a patient with possible nutcracker syndrome  Ari Goldberg, MD, PhD,"— Presentation transcript:

1 Utility of magnetic resonance imaging in establishing a venous pressure gradient in a patient with possible nutcracker syndrome  Ari Goldberg, MD, PhD, Pegge M. Halandras, MD, Steven Shea, PhD, Jae S. Cho, MD  Journal of Vascular Surgery Cases and Innovative Techniques  Volume 2, Issue 3, Pages (September 2016) DOI: /j.jvsc Copyright © 2016 The Authors Terms and Conditions

2 Fig 1 A, Axial two-dimensional bright-blood images demonstrate compression of the left renal vein (LRV) by the superior mesenteric artery (SMA). Cross-section phase-contrast magnetic resonance images (PC-MRI) of the (B) peripheral and (C) central LRV images (red arrows) demonstrate a minimum diameter decrease from 1.5 cm to 0.5 cm in the central LRV compared with the peripheral LRV. The green arrow indicates the aorta, and the blue arrow indicates the SMA. Journal of Vascular Surgery Cases and Innovative Techniques 2016 2, 80-83DOI: ( /j.jvsc ) Copyright © 2016 The Authors Terms and Conditions

3 Fig 2 Velocity curves of the (A) peripheral and (B) compressed left renal vein (LRV). The peak velocity in the peripheral vein is 15 cm/s (bottom curve in A), in agreement with previously published values. Peak velocity at the stenosis was measured at 78 cm/s. There is expected variation in velocity with the cardiac cycle, due to the overriding adjacent aorta and superior mesenteric artery (SMA). The x-axis is time (seconds) and y-axis is velocity (cm/s). Journal of Vascular Surgery Cases and Innovative Techniques 2016 2, 80-83DOI: ( /j.jvsc ) Copyright © 2016 The Authors Terms and Conditions

4 Fig 3 Pullback pressure tracing across the left renal vein (LRV) compression. The pressure gradient was between 2 and 3 mm Hg. The x-axis is time (seconds) and y-axis is pressure in mm Hg. IVC, Inferior vena cava. Journal of Vascular Surgery Cases and Innovative Techniques 2016 2, 80-83DOI: ( /j.jvsc ) Copyright © 2016 The Authors Terms and Conditions

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