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KMID : 1037520150310040125
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Vascular Specialist International
2015 Volume.31 No. 4 p.125 ~ p.129
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Effect of Diameter of Saphenous Vein on Stump Length after Radiofrequency Ablation for Varicose Vein
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Kim Ju-Sung
Cho Sung-Sin
Joh Jin-Hyun
Ahn Hyung-Joon
Park Ho-Chul
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Abstract
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Purpose: Radiofrequency ablation (RFA) has gained popularity for treatment of varicose veins. The diameter of the saphenous vein should be considered before RFA because occlusion of the vein may differ depending on its diameter. Until now, however, there have been few data about the correlation between the diameter of the saphenous vein and the stump length after RFA. The purpose of our study was to investigate its correlation.
Materials and Methods: A retrospective review was performed from prospectively collected data of RFA patients between March 2009 and December 2011. Preoperatively, the saphenous vein diameter was measured. Ablation was initiated 2 cm distal from the junction. Postoperatively, stump length was measured at 1 week and 6 months. After 2 years, we measured the length from the saphenofemoral junction to the leading point of occlusion for great saphenous vein, and length from the saphenopopliteal junction to the leading point of occlusion for small saphenous vein. The paired t-test, independent t-test, and correlation analysis were used for statistical analysis. P-value <0.05 was considered statistically significant.
Results: During the study period, RFA was performed in 201 patients. Endovenous heat-induced thrombosis developed in 3 patients (1.5%). After 2 years, the stump length was obtained in 74 limbs. The mean diameter and stump length of the saphenous vein were 6.7±1.8 mm and 12.5±8.5 mm, respectively. Correlation analysis showed that the Pearson correlation coefficient of these factors was ?0.017.
Conclusion: There was no correlation between the diameter of saphenous vein and stump length.
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KEYWORD
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Varicose veins, Radiofrequency, Catheter ablation, Diameter
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