What is the etiology of deep venous insufficiency?

Updated: Sep 25, 2020
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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Deep venous insufficiency can be due to congenital valve or vessel abnormalities, but it most commonly occurs when the valves of the deep veins are damaged as a result of DVT. With no valves to prevent deep system reflux, the hydrostatic venous pressure in the lower extremity increases dramatically.

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