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  • Title: [Effect of external vavuloplasty of deep vein in the treatment of chronic venous insufficiency of lower extremity].
    Author: Wang SM, Hu ZJ, Li SQ, Huang XL, Ye CS.
    Journal: Zhonghua Wai Ke Za Zhi; 2005 Jul 01; 43(13):853-6. PubMed ID: 16083602.
    Abstract:
    OBJECTIVE: To verify the role and effect of external vavuloplasty in the treatment of chronic venous insufficiency (CVI) of lower extremity. METHODS: Thirty patients with CVI of bilateral lower extremities were enrolled to accept surgical management of vein systems. Both limbs of each patient were randomized into two groups respectively according to the operating style. One limb was given external vavuloplasty of the superficial femoral vein and surgery of superficial venous system (group A), the another limb was only given the surgery of superficial venous system (group B). The effect comparison between both limbs of each patient and two groups by color duplex scanning, color doppler velocity profile (CDVP), air plethysmography and CEAP score system one month and 3 years after operation. RESULTS: All 60 limbs of 30 cases were CEAP C(2)-C(4) with degree III reflux (Kistner's method) in the deep veins confirmed by color duplex scanning and venography. In 1 month and 3 years after surgery, all the indexes of the limb in the group A were dramatically improved compared with those of the limbs in the group B. The average value of venous reflux degree, reflux volume, and venous filling index (VFI) had significant difference between the two groups (P < 0.001). In 3 years after surgery, there was significant difference between the two groups on ejective fraction (EF)and residual volume fraction (RVF) (P < 0.05) and CEAP clinical score (P < 0.001). CONCLUSION: External vavuloplasty of deep vein may reduce the reflux volume of the affected deep vein and improve the valve function, and can result in better outcomes when combined with surgery of the superficial venous system.
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