2013年8月29日星期四

Endovenous Laser Therapy - EVLT

What is EVLT?
EVLT is the name for a new technique to remove varicose veins?
How does it work?
A fine tube (catheter) is passed through the skin near the knee and then threaded up the diseased long saphenous vein. The tube is attached to a laser power unit that heats up the end of the catheter. The heat seals the walls of the vein so that no blood can flow through it. The operation is normally done under local anaesthetic but can be done under general anaesthetic.
How is EVLT different from standard surgery?
If you have varicose veins then one of the causes is normally an incompetent long saphenous vein (LSV). Research has shown that it is important to remove this vein to treat varicose veins and reduce the chance of them coming back soon. Standard surgery frequently requires a cut in the groin to disconnect the LSV and then it is removed by a stripping device. This can cause dramatic bruising. EVLT avoids the need for a cut in the groin and there is minimal bruising. This means people who have EVLT can usually return to normal activity sooner than those who have standard treatment.
Is EVLT better than standard surgery?
It is now thought that EVLT is as good as traditional surgery for long saphenous varicose veins.
Doctors normally want to know the results of scientific studies before they are happy that one treatment is better than another. A randomised trial of EVLT and the standard technique has been done by surgeons in Leeds. This has shown that it is a valuable method for treating varicose veins.
We do not know what the recurrence rates of varicose veins after EVLT are. Only time will tell.
Is everyone with varicose veins able to have EVLT?
No. Some people have large, winding veins that are not suitable. Your Vascular Surgeon will be happy to discuss whether your veins are suitable for EVLT. Our research suggests that about 70% of people with varicose veins can be treated with EVLT.
Is EVLT all I need for my veins?
EVLT will remove the major superficial veins, including the LSV and anterior thigh veins. It is, however, usually necessary to have the bulging veins around the calf removed through small cuts called avulsions or have them treated by injections followed by bandages.

www.gigaalaser.com
donna@gigaalaser.com

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