Iliofemoral deep vein thrombosis

Iliofemoral deep vein thrombosis occurs when a thrombus in the iliac vein (common, external or internal) or common femoral vein obstructs the venous outflow from the lower limb leading to marked oedema.

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Generally iliofemoral deep vein thrombosis is treated with anticoagulation much like regular deep vein thrombosis however they have a very poor spontaneous recanalisation rates (30%) cf. femoral DVTs (70%). The majority of cases of severe post thrombotic syndrome are associated with poorly-recanalised iliac veins. 80% of patients with iliofemoral deep vein thrombosis have an underlying venous stenosis proximally such as May-Thurner syndrome

It is important to identify iliofemoral deep vein thrombosis as there is a role for catheter-directed thrombolysis.

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Article information

rID: 54698
Sections: Anatomy, Pathology
Synonyms or Alternate Spellings:
  • Iliofemoral deep vein thromboses
  • Iliofemoral deep vein thrombus
  • Iliofemoral deep vein thrombi
  • Iliofemoral DVT
  • Iliofemoral DVTs

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