Vein Glossary

Below is a glossary of terms related to all aspects of venous disease

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Ablation
A generic term that refers to the closing of the greater saphenous vein (GSV), small saphenous vein (SSV), or anterior accessory saphenous vein using heat from a laser or radio frequency catheter.
  -- Endovenous Thermal Ablation of Superficial Venous Insufficiency of the Lower Extremity: Single-Center Experience with 3000 Limbs Treated in a 7-Year Period


High Ligation
Refers to the process of dividing the saphenous vein in the groin when the patient has saphenous insufficiency. In the United States, this procedure is being rapidly replaced with thermal ablation.


MOCA (Mechano-Chemical Ablation) (Clarivein)
A device that closes off the saphenous vein using sclerotherapy with a small rotating wire at the end of the catheter.


Recanalization
Refers to the formation of a new lumen after treatment of veins with heat ablation.


Thermal ablation
Saphenous vein is treated with heat from a laser or radio-frequency device to cause eventual scarring and occlusion of the vein.
  -- Endovenous Thermal Ablation of Superficial Venous Insufficiency of the Lower Extremity: Single-Center Experience with 3000 Limbs Treated in a 7-Year Period
  -- Histological changes occurring after endoluminal ablation with two diode lasers (940 and 1319 nm) from acute changes to 4 months