Post-thrombotic syndrome

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Post-thrombotic syndrome occurs when deep-vein thrombosis damages the vein valves and walls. Learn the signs and symptoms and how it's treated.

Key points

  • Post-thrombotic syndrome (PTS) occurs when deep vein thrombosis (DVT) damages the vein valves and vein walls, causing swelling, pain and other symptoms.
  • Approximately 1 in 3 children will develop PTS up to 10 years after having DVT.
  • The main risk factors for developing PTS in children are left over blood clot after DVT treatment, and age.
  • Use of elastic compression garments can help relieve PTS symptoms.
Last updated: September 25th 2017