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Figure 6 Phase-contrast flow assessments before and after endograft deployment. Axial overlays of in-plane (vector flow map) and through-plane (color map) flow within ruptured experimental aneurysm. Before endovascular repair, there is marked turbulence and evidence of retrograde flow (blue) within the aneurysm (dashed outline). The vena cava is collapsed in this hemorrhagic state. Laminar flow is restored after endograft (dashed outline) deployment. Solid lines border vena cava, identified on cine loops by constant nonpulsatile flow. Orientation markers as in Figure 3.