Venous Disease VD

Damaged vein walls hinder the circulatory system, allowing blood to collect and flow in a retrograde (backward) fashion when the muscles relax. This creates an unusually high pressure buildup in the veins.


The leg veins carry deoxygenated blood from the limbs back to the heart – against gravity. Venous leg pain may be caused by either superficial venous insufficiency due to a dysfunction in the superficial vein valves that are designed to prevent blood flowing backwards away from the heart or Deep Vein Disease which occurs in pelvis due to increased pressure on the pelvic veins (iliac veins) causing an obstructive phenomenon preventing or slowing blood flow out of the legs.
Leg pain, swelling, discolouration, ulcerations, cellulitis/infections and/or blood clots may develop due to pelvic/iliac vein compression. Blood clots can form in pelvic veins that are compressed. A blood clot can possibly break off and travel to the lungs causing a pulmonary embolism (PE). Symptoms include shortness of breath and elevated heart rate.
Deep vein thrombosis (DVT) is a blood clot in the deep venous system. Patients are more at risk for PE when diagnosed with DVT. Superficial vein thrombosis (SVT) is a blood clot in the superficial system or near the surface of the skin. This may cause redness and pain in the limb but is typically not treated as aggressively since the risk of PE is lower than DVT.

Risk Factors

  • Pelvis/leg fractures
  • Pregnancy
  • Obesity
  • Injury to veins
  • Birth Control/Oral Contraceptives or hormone replacement therapy
  • Smoking
  • Indwelling catheter
  • Ageing (Over the age of 60 increases risk)
  • Immobility and Sedentariness (sitting for long periods of time, bedrest)
  • Fibroid Disease
  • Large Heavy Legs
  • Long term IVC filter
  • Inherited clotting disorder
  • Recent surgery or trauma
  • Past history of venous thrombosis


  • Family history of blood clots
  • Cancer
  • Heart Failure
  • Lupus and other autoimmune disorders
  • Inflammatory Bowel Disease
  • Type A blood group
  • Family history of varicose veins
Leg Pain

Health Care Services

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venous disease

Associated Treatments, Procedures & Testing

Duplex Vascular Ultrasound

Interventional Radiology (IR) Testing

A common method that helps visualize the arteries and measure blood flow using sound waves. We are a certified Vascular Lab performing detailed ultrasound of the arteries and

Angioplasty and Stenting

Treatments & Procedures

To help open a narrow or blocked blood vessel, Dr. Ahmad can perform angioplasty and stenting during a procedure. An angioplasty temporarily stretches out the blood vessel, while stenting is performed to permanently hold it open

Thrombolysis or Thrombectomy

Treatments & Procedures

Thrombolysis is the process by which a catheter is used to bring platelet-dissolving medicine, to the affected site. Thrombectomy uses a catheter to physically crush and/or remove the buildup.

Vena Cava

Interventional Radiology (IR) Testing

A filter can be placed via a tiny pin hole over the collar bone, or in the groin, into the large abdominal vein to prevent any clots from traveling to the lung arteries (pulmonary embolus).