What is Laser Varicose Vein Treatment
Varicose veins are oversized, twisted veins that mainly appear on the legs and feet. They occur when veins (the blood vessels that transport blood with waste products and oxygen-depleted blood from the body to the heart) do not perform their duties properly. This causes the blood to pool instead of flowing smoothly back to the heart. Previously, varicose veins were treated surgically, but advances in technology have enabled less invasive techniques. Among these, laser surgery has achieved importance as an extensive approach, offering targeted treatment with greater precision and without any large cuts.
Before knowing in detail about laser varicose veins treatment, it is important to get to terms with the issue that causes them. The root cause of varicose veins is reduced blood flow, termed venous insufficiency, where the one-way valves fail. The key characteristics of varicose veins include
Raised, twisted, and bulging veins that are often blue or dark purple in colour. These are frequently found in calves, thighs, and sometimes in feet. The signs of varicose veins include heaviness, aching, swelling, itching, or a burning sensation. If left untreated, varicose veins may lead to more serious circulatory diseases like venous ulcers and deep vein thrombosis (DVT).
For understanding the working of laser varicose veins, knowing the anatomy of the venous system is important. Veins carry deoxygenated blood back to the heart. Superficial veins that are visible through the skin are prone to varicosities, while deep veins handle the majority of blood returning. The objective of the laser varicose veins is to target the improperly functioning superficial veins.
Laser treatment for varicose veins depends on highly focused light energy to close the affected veins. This process is called endovenous laser therapy (EVLT) or endovenous laser ablation (EVLA). The energy produced from the laser is absorbed by the blood flowing inside the vein and the wall of the vein. This causes the vein to collapse and get sealed automatically. Over time, the treated vein is absorbed by the body, and the blood flow is allowed to change its pathway to healthy veins.
Key characteristics of laser varicose treatment surgery include accuracy. The laser only targets the affected varicosed veins and does not cause any disturbances in the nearby surroundings. It is minimally invasive, unlike traditional surgeries; large cuts are not required. The wavelength and intensity at which the laser is delivered are adjusted according to the needs of the patient.
Laser technology keeps getting better on a yearly basis, with modern systems allowing better penetration, decreased discomfort, and shorter surgery time.
Laser varicose vein treatment can be divided into two main types, namely, Endovenous laser therapy (EVLT), also known as endovenous laser ablation (EVLA), and Simple laser treatment (surface laser), also known as transdermal laser therapy. Each type of laser treatment uses specific wavelengths that are designed to increase the rate of absorption by hemoglobin in the blood, also decreasing damage to nearby tissue.
Laser treatment works on the principle of selective photothermolysis (That is, the laser only targets the affected varicosed veins and does not cause any disturbances in the nearby surroundings). Key technical considerations are wavelength; the common wavelengths utilised are from 810 nm to 1470 nm, which are for different vein sizes and depths. Laser energy is measured in joules per centimeter, which are carefully calculated to make sure veins are properly closed.
While laser varicose vein treatment has a wide variety of uses, some patients are most suited. The characteristics that are considered include the size of the vein, usually medium to large superficial veins respond quickly, and vein anatomy, where straight veins are easier to treat than highly tortuous veins. Laser varicose vein treatment is known to cause less skin damage in comparison to other techniques that ensure better energy penetration. In terms of medical history, patients without any active infections, like deep vein thrombosis and other clotting disorders, are considered to be ideal candidates.
Duplex ultrasonography is an imaging technique that is used for in-depth evaluation of the vascular system. This usually helps in determining which veins are malfunctioning and helps in guiding the planning of laser varicose vein treatment.
Laser varicose vein treatment has widely advanced over the last two decades, with the use of lasers over longer wavelengths becoming an increasingly useful option. This is useful for uniform distribution of energy and making sure that treatment has greater efficacy, and is classified as first-generation lasers, second-generation lasers, and third-generation lasers.
| Procedure Name | Laser Varicose Vein Treatment |
|---|---|
| Type of Surgery | Minimally invasive procedure |
| Type of Anesthesia | Local Anesthesia |
| Procedure Duration | 30 minutes to 1 hour long |
| Recovery Duration | Daily activities resumed within 24-48 hours; demanding activities should be avoided for 1 to 2 weeks, and complete recovery is within 2 to 4 weeks. |
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