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Why Do Spider Veins Sometimes Reappear Soon After Sclerotherapy Treatment?
Sclerotherapy involves injecting a liquid (a sclerosant) directly into the diseased vessel to cause irreversible damage to the vessel, while avoiding damage to normal collateral vessels and surrounding tissue. After injection, the damaged vessel becomes inoperable and gradually destroys. Although sclerotherapy has many uses, such as the treatment of small hemorrhoids and esophageal varices, the single most widely used use of sclerotherapy is for the treatment of reticular and spider veins. Reticular veins are superficial veins that have a cyanotic color and are 2-4 mm in diameter. spider veins (telangiectasias); On the other hand, very fine, red, blue or purple superficial veins usually appear as thin squiggly lines on the thighs, calves and ankles.
Basically, sclerotherapy can be an effective treatment for veins of any size; However, the larger the vein and the closer to the deep venous system, the greater the chance of treatment failure or early recurrence. Sclerotherapy of veins larger than 5 mm in diameter often requires special techniques and large volumes and high concentrations of high strength sclerosants, which increases the risk of spasms and many other undesirable side effects. This is because larger veins contain more blood, diluting the injected sclerosant and reducing its effectiveness.
Currently, the only widespread use of sclerotherapy in the United States and other developed countries is for the treatment of reticular and spider veins. Although these small veins can be surgically removed, sclerotherapy presents a quick, effective, and aesthetically acceptable option that is particularly attractive to patients with an extensive network of small abnormal veins. Spider veins respond quickly to this treatment and results can be seen within three to six weeks. Larger veins take longer to respond. Contraindications to sclerotherapy are rare and include pregnancy and allergy to sclerosing agents. Side effects of sclerotherapy are tolerable and temporary. Patients may experience itching, tenderness, skin bruising and redness at the injection site. Sclerotherapy not only offers the possibility of excellent cosmetic results, but also an 85% reduction in the symptoms of pain, inflammation and fatigue associated with these veins. It should be noted that vein size alone does not predict the presence of symptoms. Symptomatic veins can be as small as 1 mm in diameter, and large bulging varicose veins may cause no symptoms.
Some patients are highly responsive to sclerotherapy injections and can be treated with weak sclerosants in only 1-2 sessions, while others are extremely resistant and may require multiple sessions, stronger sclerosants and/or a combination of treatment techniques including laser vein treatment. When a patient has a poor response to an initial series of treatments and veins recur, or new veins appear soon after treatment, the original diagnosis should always be questioned. Unsuccessful treatment means that a hidden source of reflux has been overlooked or that the underlying cause of the appearance of small veins by ultrasound duplex imaging has not been identified. Reflux venous disease refers to abnormal communication with the deep venous system that causes reverse flow from the deep venous system into the superficial veins. Only when diagnostic tests fail to identify a large vessel as the source of reflux, do superficial dilated veins lead to localized valve failure. It should be noted that even small veins have valves. Only in the latter case does the treatment plan begin with sclerotherapy.
A prominent vein specialist in Los Angeles says that his treatment plan has a very high sclerotherapy success rate that begins with identifying the original source of reflux, such as the saphenous vein, incompetent perforating veins (veins that allow communication into the superficial venous system. The deep venous system of the legs). , or reticular channels. According to the same Los Angeles vein specialist, reticular or spider vein treatment must be directed at the entire system, because if the point source of reflux is not reduced first, the superficial web will rapidly recur, since the larger veins act as “feeders”. Veins for small veins. You can read more about sclerotherapy and spider vein treatment by visiting the website of a reputable Los Angeles vein specialist.
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