Patient Education

The Difference between Sclerotherapy & Laser Surgery

While sclerotherapy and laser surgery are both procedures used to treat varicose veins and other venous disorders or diseases, the technique involved is very different.

This technique involves injecting a foam sclerosant into varicose veins. It is painless and is often injected at the end of an EVLT session or as stand-alone therapy. It incites an inflammatory reaction within the vein that will eventually cause it to involute and disappear. This will force blood to travel through healthier blood vessels and relieve discomfort or improve aesthetic appearance.

Conventional sclerotherapy is used to treat spider veins and small varicose veins and will not be effective against medium-large varicose veins. It does not require an anesthetic and can be performed in the doctor’s office with no need for surgery. Side effects may include allergic reaction, swelling, itching, and skin pigment changes in the treated area.

Laser Surgery or EVLT

In this process laser energy is delivered into the varicose veins in order to make it slowly fade and disappear. This process cannot be used to treat small varicose veins or spider veins as it is only effective against large varicose veins. Laser surgery also requires no incisions. Side effects can include redness, bruising, itching, and swelling in the treated area.

Procedure Instructions

Compression Stockings

Compression stockings are an important step in the process of treating varicose veins. When the veins are treated through the technique known as endovenous laser treatment, which we use here at the Vaughan Vein Clinic. After this minimally invasive procedure is done, a compression stocking is used for the affected leg. The stockings have a key role to play, namely by helping increase circulation post-treatment.

When these stockings are applied, they are fitted tightly at the foot and more loosely as they make their way up a leg. There will be a bit of an adjustment period, but when the compression stockings are fit correctly (something we’ll give you some pointers on) they’ll feel snug and comfortable – something akin to wearing a nice sock on your leg. You’ll need to wear these for the initial period after the procedure at the Vaughan Vein Clinic is done.

The stockings help ensure that the varicose vein procedure is successful by helping in two areas. One is what’s called leg edema. This is the build-up of fluid in the leg. When problematic, this can cause swelling in the leg. The other is what doctors call venous insufficiency. Simply put, this means problems with blood flow in the affected leg that can trigger symptoms such as aches, pains and cramping.


Vein Disorders

Varicose veins are a result of pressurization of small veins located below the skin. The cause of this pressurization is incompetent valves within veins themselves. This does not allow the normal antegrade (forward) flow...

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