PMC3420585_01
Reversal of flow of dye in left internal mammary artery graft to left anterior descending artery.
CRIM.VASMED2012-784231.001.jpg
PMC3420585_01_CRIM.VASMED2012-784231.001.jpg
fig1
There was significant back filling of the LIMA graft with minimal competitive flow (Figures 1(a) and 1(b)).
Absence of flow in proximal left subclavian artery with dual dye injection from catheters in aorta and left radial artery.
CRIM.VASMED2012-784231.002.jpg
PMC3420585_01_CRIM.VASMED2012-784231.002.jpg
fig2
Selective injection into the left subclavian artery demonstrated high-grade stenosis of 99% or greater in the ostial left subclavian artery (Figure 2).
Magnetic resonance angiography showing completely occluded proximal left subclavian artery.
CRIM.VASMED2012-784231.003.jpg
PMC3420585_01_CRIM.VASMED2012-784231.003.jpg
fig3
Restoration of flow in the left subclavian artery across a propaten graft from the right subclavian artery.
CRIM.VASMED2012-784231.004.jpg
PMC3420585_01_CRIM.VASMED2012-784231.004.jpg
fig4
Completion angiogram showed that the graft was widely patent, that the left subclavian artery did show flow from the right side, and that there was an antegrade flow reestablished into the vertebral artery (Figures 4(a) and 4(b)).