Abstract
Objective: Surgery for the varicose short saphenous vein (SSV) remains unsatisfactory. Specific problems include locating the saphenopopliteal junction (SPJ) and whether the trunk should be stripped. Recurrence rates are high. The objective was to review the morphology of varicose SSV and to address these aspects.
Methods: Retrospective study of consecutive patients scheduled for SSV surgery based on initial continuous wave Doppler assessment. Detailed analysis of preoperative duplex ultrasound examinations with quantified reflux.
Results: A total of 56 limbs (unilateral) were studied, male to female ratio was 18:38 and mean age was 51 years. SPJ: severe reflux in 47, mean diameter 8.1 mm (all above the skin crease [mean 2.7 cm]). Reflux was 'focal', being confined to the peri-junctional area with normal sized and competent distal short saphenous trunks in 29. In the remainder, incompetence was 'complete' with dilatation and reflux of the entire system. In only one limb did varicosities arise distally from a proximally competent system. Long saphenous vein (LSV): coexistent reflux in 17, with communications with the SSV in 11. Deep reflux: at least one segment of deep reflux was found in 24 limbs. In this small study, no significant association with other morphology was found apart from 'complete' SSV reflux.
Conclusion: The SPJ is usually severely incompetent, enlarged and sited above the skin crease. The morphology of the varicose SSV exhibits important differences from the LSV. In over half, incompetence is 'focal', confined to the peri-junctional vein and the distal trunk is competent suggesting a case for selective trunk stripping. Varicosities arising from a distally incompetent short saphenous trunk are uncommon.
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