Post Thrombotic Syndrome


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What is Post thrombotic syndrome?


Post thrombotic syndrome (PTS) is a chronic (long term) problem that develops after a patient has a clot in the deep veins of the legs (deep vein thrombosis;DVT). PTS develops because the clot blocks blood flow returning to the heart leading to increased pressure in the veins of the legs. Also known as post-phlebitic syndromepost-thrombotic syndrome (PTS) is a common complication of deep vein thrombosis (DVT).

PTS can cause a reduction in the amount of blood being carried by the blood vessels, making blood pool in the legs and cause swelling, pain, and even leg ulcers. In severe cases, PTS can cause ulcers in the veins and severe pain. The more times a person has experienced DVT, the higher their chances are of developing PTS. Symptoms of PTS will usually occur between 6 months and 2 years of a DVT.

What are the symptoms of PTS?

Symptoms of PTS can vary between patients. People often find that symptoms worsen after standing or walking for long periods of time.

Symptoms may include:
  • Aching, cramping
  • Heaviness in the limb
  • Itching, pins and needles in the limb
  • Swelling
  • Discoloration of the skin
  • Hardening of the skin
  • Varicose veins
  • Venous ulcers
Psychological symptoms:
  • Depression
  • Anxiety
  • Loss of confidence

Cause of Post Thrombotic Syndrome

deep vein thrombosis (DVT) or blood clot in the deep veins of the arms of legs, causes blood flow to be blocked through that vein. In certain cases, blood flow may be completely blocked, which results in nearby veins compensating by swelling and taking on the blood flow from the blocked vein. This can cause damage to blood vessel walls and the valves inside veins which prevent blood from flowing backward. These are called “collaterals” and may be visible beneath the skin.

If these collateral veins do not carry enough extra blood, then some may be unable to drain from the legs causing swelling and pain.

Prevention of Post Thrombotic Syndrome

It is important to try and reduce the risk of developing PTS after developing a clot in the legs. An important way to decrease the chance of developing PTS is to use compression stockings.

Are you suffering from this condition? One of our chiropodist/podiatrist can assist and then recommend what treatment options are best to get you back on track.
Schedule an appointment here or you may call us at 44 (0) 207 101 4000. 📞


We hope you have a feetastic day! 👣☀️

-The Chelsea Clinic and Team



Check our blog about May-Thurner Syndrome here

Check our blog about Tarsal Tunnel Syndrome here

Read our article about Compartment Syndrome here

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