Abstract
SFV competence was investigated in 100 patients (189 legs) suffering from varicose veins. The incidence was found to depend on the method used. The simpler clinical methods such as the cough test, percussion test, Trendelenburg test, revealed SFV insufficiency to be between 15.4-21.6%. Using the Doppler ultrasound the incidence increased to 47.6%; by using the MABP, SFV insufficiency was found to be increased 20%. The SFV competence was indicated as playing an important role in the pathogenesis of varicose veins. The phlebologist's decision to carry out high ligation and stripping of the saphena magna in patients with varicose veins should be considered only for those cases where the extent of incompetence has been established beyond doubt.
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