Figure 2.

Sharp recanalization treatment for patients with central vein complete occlusion. (a) Phlebography showing occlusion of the right brachiocephalic vein. (b) The sharp needle entered the occluded right brachiocephalic vein, passed through the guidewire of the femoral vein, identified the occlusion site, and then the sharp needle punctured into the inferior vena cava, inserted the guidewire. (c) The stent was implanted into the right occluded brachiocephalic vein and the right brachiocephalic vein was restored to patency. d. The patient's right upper limb was swollen before treatment. (e) The swelling in the right upper extremity subsided after treatment.