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KMID : 1147320150020020081
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Journal of Surgical Ultrasound
2015 Volume.2 No. 2 p.81 ~ p.87
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Sapheno-femoral Junctional Configuration Analysis Using Duplex Scan in Primary Varicose Vein
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Lee Jae-Hoon
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Abstract
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Purpose: Reflux via the saphenofemoral junction (SFJ) is an essential finding in primary varicose veins originating from the great saphenous vein. Understanding anatomic, hemodynamic pathology with ultrasonogram in this region is crucial. The purpose of this study is to evaluate difference in junctional anatomic characteristics according to the clinical manifestation.
Methods: A total of 100 Limbs of 77 patients with varicosity origin from the great saphenous vein (GSV) were studied prospectively. The diameter of GSV (GSVD), SFJ, and femoral vein (FVD) and the ratio of GSVD/FVD (GFDR) and SFJ/FVD (JFDR) were measured by duplex scan. The morphology of varicose veins was classified according to the method we devised (I-IV). Type I is varicosity confined to calf, type II is in calf with thigh but not in GSV trunk, type III is in calf with thigh, involving GSV trunk, and other types are classified as type IV. Twenty normal limbs were studied with a duplex scan for control.
Results: The mean values of GSVD, FVD, SFJ, GFDR, and JFDR in patients were statisti-cally different from that of control except FVD. The results showed statistical differences between men (35%) and women (64.9%). The result of comparison according to the disease duration (＞10 years) showed statistically significant difference, where the longer the duration of disease, the more the mean values of SFJ were increased. The morphology of varicose veins (typeI-IV) showed no statistical difference.
Conclusion: Dilatation of SFJ is related to the cause of varicose veins considering that SFJ is larger than normal control. The SFJ is proximal to the first valve of GSV, thus we think the weakness of venous wall with dilatation is a precedent cause of varicose vein rather than valve incompetence.
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KEYWORD
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Saphenofemoral junction, Varicose vein
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