What is the disadvantage of maximum venous outflow (MVO) testing to assess venous insufficiency?

Updated: Oct 22, 2018
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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The main disadvantage of MVO testing is that it is sensitive only for significant venous obstruction and not for partial obstruction. It is not useful for the detection of reflux-induced venous insufficiency. A normal MVO result does not absolutely rule out DVT.

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