What venous refilling time (VRT) suggests significant venous insufficiency?

Updated: Sep 25, 2020
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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In patients with significant venous insufficiency, venous refilling occurs through high-volume reflux and is fairly rapid. An abnormally fast VRT of 20-40 seconds is recorded, reflecting retrograde venous flow through failed valves in superficial or perforating veins. This degree of reflux may be associated with the typical symptoms of venous insufficiency. Patients often complain of nocturnal leg cramps, restless legs, leg soreness, burning leg pain, and premature leg fatigue.

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