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Deep vein thrombosis

Prevalence
Clinical features
Differential diagnosis
Investigations
Therapy
Prevention
Prognosis
Prognosis

Patients are at increased risk of:
  • recurrent venous thromboembolism (a quarter within 5 years) a
  • post-thrombotic leg (a quarter within 5 years) a
    • symptoms: pain, cramps, heaviness, pruritis, paraesthesia
    • signs: pretibial oedema, skin induration, hyperpigmentation, redness, pain on calf compression
  • dying (a quarter within 5 years) a
Note:

Recurrent venous thromboembolism, death and post-thrombotic leg are all common

Time after DVT a recurrent VTE death post-thrombotic leg severe post-thrombotic leg
3 months 4.9% - - -
1 year 8.6%6 17% 17% 1.6%
2 years 18% 20% 23% 9.3%
5 years 25% 25% 28% -
8 years 30% 30% - -

 

Expiry date: January 2004
Levels of Evidence used in grading these guides

Author   C   Ball
Reviewer   J   Ginsberg
CAT Writers   C   Ball , B   Phillips