autologous vein grafting

After vascular resection or refurbishment, if the defect is too large, 2 to 3 cm or more, or if excessive tension is expected after end-to-end anastomosis, vascular grafting should be performed. Transplantation of limbs and vascular grafts takes the autologous vein of the wounded, which is better than artificial blood vessels. Ipsilateral saphenous vein grafts are often used to fill defects in the femoral, temporal or radial artery. If the femoral vein and the iliac vein of the injured side are also injured, the saphenous vein on the other side should be used. Transplanted veins may gradually expand over time, so artificial blood vessels should be used when transplanting larger arteries (such as the upper femoral artery). Treatment of diseases: vascular injury, limb vascular injury Indication After vascular resection or refurbishment, if the defect is too large, 2 to 3 cm or more, or if excessive tension is expected after end-to-end anastomosis, vascular grafting should be performed. Transplantation of limbs and vascular grafts takes the autologous vein of the wounded, which is better than artificial blood vessels. Ipsilateral saphenous vein grafts are often used to fill defects in the femoral, temporal or radial artery. If the femoral vein and the iliac vein of the injured side are also injured, the saphenous vein on the other side should be used. Transplanted veins may gradually expand over time, so artificial blood vessels should be used when transplanting larger arteries (such as the upper femoral artery). Surgical procedure 1. Incision reveals the great saphenous vein: make a long incision in the upper part of the healthy thigh, and if necessary, extend to the lower abdomen to reveal the great saphenous vein. 2. Cut the great saphenous vein: Separate the saphenous vein carefully and sharply, and ligature and cut off all the small branches. After controlling the upper and lower ends with a blood vessel clamp, a section of a vein 2 to 3 cm longer than necessary is cut. 3. Preparation of graft vein: After completely exfoliating the outer membrane of this vein, it was immersed in 0.1% heparin physiological saline solution for use. 4. Sewage is large: suture the upper and lower stumps of the great saphenous vein. 5. Inverting and transplanting the vein: The upper and lower ends are determined according to the ligature line of the blood vessel branch, and the vein segment is inverted to prevent the venous valve from obstructing blood flow. 6. Anastomotic vessels: The proximal and distal anastomosis of the graft segment were sutured by two fixed or three fixed point vascular sutures. Sew the front side first and then the back side. If the blood vessel is inconvenient to be sutured, the posterior wall can be sutured from the lumen of the blood vessel and then the anterior wall is sutured 7. Loosen the Vascular Clip: Loosen the distal vessel clip before ligation of the last suture, fill the vein graft with the blood, drain the air, then ligature the suture, then slowly loosen the proximal vessel clip.