Failure of microvenous valves in small superficial veins is a key to the skin changes of venous insufficiency.

@article{Vincent2011FailureOM,
  title={Failure of microvenous valves in small superficial veins is a key to the skin changes of venous insufficiency.},
  author={Jordan R Vincent and Gregory Thomas Jones and Geraldine B. Hill and Andre M. van Rij},
  journal={Journal of vascular surgery},
  year={2011},
  volume={54 6 Suppl},
  pages={
          62S-9S.e1-3
        }
}
OBJECTIVE To determine the role of microvenous valves in the superficial venous system in the prevention of reflux and skin changes in the progression of venous insufficency. METHODS The venous anatomy of 15 amputated lower limbs, eight free from clinical venous disease and seven with varicose veins and ulcers, was examined using retrograde venography corrosion casting. Prior to amputation, all limbs were scanned by duplex ultrasound to confirm the presence or absence of reflux in the great… CONTINUE READING

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European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery • 2006
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