saphenous veins การใช้

• Myers wrote that open surgery for small saphenous vein reflux is obsolete.
• The saphenous vein is often removed and used in coronary by-pass operations.
• Removal of the saphenous vein will not hinder normal circulation in the leg.
• The blood that previously flowed through the saphenous vein will change its course of travel.
• The long saphenous vein is clearly visible there.
• In the past they have been used for saphenous vein graft and native coronary artery percutaneous coronary interventions.
• When it occurs in the leg, the great saphenous vein is usually involved, although other locations are possible.
• LITA, radial ) are far more sensitive to rough handling than the saphenous veins and may go into spasm if handled improperly.
• For most people, the problem starts with the saphenous vein, a large blood vessel that runs from the ankle to the groin.
• However, they often remove a portion of the saphenous vein in the leg for such repairs because it is durable and expendable.
• By comparison ERA has been shown to control 80 % of cases of small saphenous vein reflux at 4 years, said Myers.
• Instead of a laser, though, that technique employs radio frequencies to heat a specialized catheter tip and seal the saphenous vein shut.
• The veins most often found to be incompetent are the saphenous veins and the perforators communicating with the deep veins of the thigh.
• Sclerotherapy can also be performed using microfoam sclerosants under ultrasound guidance to treat larger varicose veins, including the great and small saphenous veins.
• The "'medial marginal vein "'is a continuation of the Dorsal venous arch of the foot and is the origin of the long saphenous vein.
• The major leg vein, called the saphenous vein, has a series of valves that open and close to keep blood flowing toward the heart.
• The "'lateral marginal vein "'is a continuation of the Dorsal venous arch of the foot and is the origin of the short saphenous vein.
• The laser is activated whilst the catheter or laser fiber is slowly withdrawn, resulting in obliteration of the saphenous vein along its entire length.
• The " venae perfortantes " connect the deep and the superficial system, which consists of the saphenous veins ( the site of varicose veins ).
• In surgeries, the principle superficial neurovascular bundles at risk are, medially, the great saphenous vein and its accompanying nerve, and laterally, the superficial peroneal nerve.