Which DVT or PE Patient to Refer to a Thrombosis Center

a) Definitely:

• Young patient (< 50 years?) with unprovoked (idiopathic) DVT or PE

• Unusual clot (e.g. portal, mesenteric, cerebral venous thrombosis)

• Arterial clot in a patient < 45-50 years of age without arteriosclerosis

• Individual with strong thrombophilia

• Individual with family history of a strong thrombophilia

b) Probably

• Any patient with unprovoked (idiopathic) DVT or PE

• Any patient with recurrent DVT or PE

c) May be

• Any patient with DVT or PE due to a major temporary risk factor

(major surgery, hospitalization, trauma)

• Any patient with significant postthrombotic syndrome