Stephen J. Schueler, M.D.

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Vein Circulation Problem Underlying Cause

Veins are thin-walled vessels that permit the flow of blood in one direction: back to the heart. Tiny valves inside the veins prevent blood flow from reversing direction. Working muscles help pump blood through the veins and back to the heart.

Venous insufficiency is caused by failure of the valves in the veins, which causes blood to go the wrong direction and increases pressure in the lower leg veins. This causes the veins to bulge and prevents more valves from working normally.

Causes of abnormal valves include:

Continue to Vein Circulation Problem Anatomy

Last Updated: Feb 11, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Vein Circulation Problem References
  1. Callejas JM, Manasanch J; ETIC Group. Epidemiology of chronic venous insufficiency of the lower limbs in the primary care setting. Int Angiol. 2004 Jun;23(2):154-63. [15507894]
  2. Jawien A. The influence of environmental factors in chronic venous insufficiency. Angiology. 2003 Jul-Aug;54 Suppl 1:S19-31. [12934754]
  3. Min RJ, Khilnani NM, Golia P. Duplex ultrasound evaluation of lower extremity venous insufficiency. J Vasc Interv Radiol. 2003 Oct;14(10):1233-41. [14551269]
  4. Puggioni A, Kalra M, Gloviczki P. Superficial vein surgery and SEPS for chronic venous insufficiency. Semin Vasc Surg. 2005 Mar;18(1):41-8. [15791553]
  5. Yamaki T, Nozaki M. Patterns of venous insufficiency after an acute deep vein thrombosis. J Am Coll Surg. 2005 Aug;201(2):231-8. [16038821]
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