The Clinical Trial for Primary Chronic Venous Insufficiency

The Clinical Research of Surgery on Primary Chronic Venous Insufficiency

A multicenter Random Clinical Trial to confirm the advantage of the valve reconstructive surgery on Primary Chronic Venous Insufficiency.

Inclusion Criteria:

• PCVI patients with III degree back flow in deep vein that is confirmed by color doppler or phlebography

Exclusion Criteria:

• age over 70 years old
• pregnancy
• patients with severity arteriosclerosis obliterans, malignancy, severity disease of heart, lung or brain, and hematopathy