Influence of Superficial Venous Ablation on Deep Venous Dilation and Reflux in Patients With Saphenous Varicose Veins

Abstract

Background:

To investigate the influence of superficial venous ablation on deep venous dilation and reflux in patients with saphenous varicose veins, and to elucidate the association between superficial venous reflux and deep venous morphology and hemodynamics.

Methods:

The data of 154 patients with 223 limbs, who underwent endovenous radiofrequency ablation (RFA) of the great saphenous vein for primary varicose veins between September 2014 and March 2016 in Eniwa Midorino Clinic, were retrospectively analyzed. Overall venous hemodynamics of the leg, including functional venous volume (VV) and venous filling index (VFI), was assessed using air-plethysmography. Saphenous and deep vein reflux and diameter were evaluated with duplex scanning.

Results:

Hemodynamic and morphologic changes were evaluated before and 1 month after RFA. The VV and VFI were significantly decreased in postoperative values than in preoperative values (P < .001). Limbs with deep venous reflux significantly decreased postoperatively than preoperatively (P < .001). There were significant differences in the diameter of the common femoral vein (CFV) and popliteal vein (PV) between the preoperative and postoperative values (P < .001). There were strong to moderate correlations between the VV and the diameter of the CFV or PV (CFV, r = 0.47, P < .001; PV, r = 0.35, P < .001), while there were moderate to weak correlations between the VFI and the diameter of the CFV or PV (CFV, r = 0.23, P < .001; PV, r = 0.33, P <.001).

Conclusions:

Superficial venous ablation significantly reduced deep venous dilation and reflux in patients with saphenous varicose veins. Significant correlations existed between the VV or VFI, which reflected superficial venous reflux, and the diameter of the deep veins. These findings reveal that volume overload due to superficial venous reflux is associated with deep venous morphology and hemodynamics.

Keywords

varicose vein deep vein morphology hemodynamics

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