What should I do if my legs are numb and swollen with hard knots after varicose vein surgery?

       Although the surgery for varicose veins is developing rapidly and the appearance of the affected limb is basically unchanged after the surgery, the surgery is also traumatic and some patients may feel discomfort in one way or another during the recovery period, the following are some answers to the problems that patients may encounter after the surgery and how to deal with them.  Pain: 5~7 days after surgery, some patients may feel pain in the affected limb, which is caused by the inflammatory reaction of the surgical site, and generally when the patient moves to the ground, the sagging blood in the affected limb will cause this pain. Usually, the pain can be relieved on its own within a week or so. Patients can also take some medications to relieve the pain (e.g., abscessin, Avilan, Mizarin, etc.).  Swelling of the affected limb: Some patients experience swelling in the leg that had surgery after surgery, which can be caused by several reasons – inflammatory reaction at the surgical site, elastic bandage restricting blood return, lymphatic drainage obstruction due to lymphatic vessel damage during surgery, etc. When swelling occurs, the first thing to do is to seek clarification from the doctor as to the cause of the swelling, and the swelling will gradually ease after the trigger is removed.  Limb numbness: The main vessel treated by the surgery is called the saphenous vein, and there is a saphenous nerve on the side of the vessel, which is below the knee and very close to the saphenous vein. Stripping the saphenous vein may cause contusion or disconnection of the saphenous nerve, and the skin innervated by this nerve will experience sensory disturbance. This injury will gradually repair itself, and the area of numbness will generally shrink about three months after surgery. After a further period of time, although there may still be a large or small area of numbness left, it will have little effect on the patient, just like wearing a hat for a long time and not feeling any discomfort (but occasionally patients feel abnormal and feel localized pins and needles-like pain, which requires a longer recovery time). It is not possible to completely avoid damage to the saphenous nerve during surgery, but can only be minimized by technical improvements.  Skin nodules: This is when you feel hard bags and “bumps” on the legs, which are usually the marks formed by the proliferation of the damaged parts of the body after the surgery, and the nodules usually start to fade gradually about 3 months after the surgery. There is a peak period for the appearance of hard nodes, which will increase significantly from 1 week to about 2 weeks after surgery, and gradually subside and finally disappear in about 3 months. However, laser or sclerosing agent injection may cause local thrombophlebitis, and this cause of thrombophlebitis is slower to subside or does not subside. For example, if the nodules produced by laser or sclerosing agent injection are large and obvious and prevent the wearing of elastic stockings or activities, they can be removed surgically; if the nodules are produced by spinning and peeling, they will definitely subside on their own later and do not need special attention.