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Angiology
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Assessment of Deep Venous Incompetence: A Prospective Study Comparing Duplex Scanning with Descending Phlebography

Stefan Rosfors

From the Department of Clinical Physiology, St. Göran's Hospital and the Karolinska Institute, Stockholm, Sweden

Stellan Bygdeman

From the Department of Clinical Physiology, St. Göran's Hospital and the Karolinska Institute, Stockholm, Sweden

Eva Nordström

From the Department of Diagnostic Radiology, St. Göran's Hospital, Stockholm, Sweden

In this prospective study duplex scanning was performed in 21 consecutive patients (23 lower extremities) referred for descending phlebography. The grade of deep venous insufficiency (Grades 1-4) was estimated in a blinded fashion with phlebography and duplex technique. Agreement occurred in 15 of 23 lower extremities. Discrepancies were found particularly in patients with minor degrees of reflux. The patients with reflux below the knee according to phlebography were also identified with ultrasonography. The authors found duplex scanning to be an accurate method of evaluating deep venous valvular function. With duplex—but not with phlebography—it was also possible to diagnose isolated lower extremity valvular insufficiency.

Angiology, Vol. 41, No. 6, 463-468 (1990)
DOI: 10.1177/000331979004100607
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