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CVIR Endovascular
Fig. 3 | CVIR Endovascular

Fig. 3

From: Combining transradial access and sheathless femoral access for complex iliac artery chronic total occlusions

Fig. 3

Case 2. A, B Preprocedural enhanced computed tomography images. C Control angiography showed total occlusion from the proximal aspect of the common iliac artery. D The black arrow shows the 6Fr guiding sheath. The red arrow shows the 5Fr angled support catheter. E The antegrade guidewire was advanced into the distal external iliac artery. The white arrow shows the antegrade wire. F The white arrow shows the antegrade wire. The black arrow shows the 21-G needle. G Image of a 21-G needle created with a double bend. H Duplex ultrasound showed that the retrograde guidewire was inside the vessel. The yellow arrow shows the 21-G needle. The white arrow shows calcified plaque. The red arrow shows the retrograde guidewire. I Bidirectional wiring. The white arrow shows the retrograde guidewire. J The retrograde guidewire was advanced into the antegrade guiding sheath to achieve guidewire externalization. The black arrow shows the antegrade 6Fr guiding sheath. The white arrow shows the retrograde guidewire

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