What is the significance of muscle pump failure during the evaluation of venous insufficiency?

Updated: Oct 22, 2018
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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Answer

In patients with normal veins and a normal calf muscle pump, 10-20 tiptoe motions or ankle dorsiflexions empties the venous capacitance circuit of the calf. In patients with muscle pump failure, severe proximal obstruction, or severe deep venous insufficiency, tiptoe motions or ankle dorsiflexions have little or no effect on the amount of blood remaining in the calf. Venous insufficiency due to this cause is difficult to treat


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