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  • Title: Long-term follow-up of patients with suspected deep vein thrombosis of the upper extremity: survival, risk factors and post-thrombotic syndrome.
    Author: Baarslag HJ, Koopman MM, Hutten BA, Linthorst Homan MW, Büller HR, Reekers JA, van Beek EJ.
    Journal: Eur J Intern Med; 2004 Dec; 15(8):503-507. PubMed ID: 15668085.
    Abstract:
    BACKGROUND: The outcome of upper extremity thrombosis in terms of morbidity, mortality and arm functionality is virtually unknown. We investigated mortality, risk factors, recurrent thrombosis and post-thrombotic syndrome (PTS) in patients with suspected upper extremity thrombosis. METHODS: Consecutive patients suspected of having deep vein thrombosis (DVT) of the upper extremity were followed for up to 53 months (mean 21 months). Venography and/or ultrasonography was used for diagnosis. Risk factors were identified from history and thrombophilia laboratory screening. PTS was assessed using a scoring system. Death, recurrent thrombosis and PTS were primary outcome measures. RESULTS: DVT of the upper extremity was diagnosed in 50 of 116 consecutive patients (43%). Malignancy and/or central venous lines were present in 37 of 50 (74%) patients with thrombosis. Inherited thrombophilia was diagnosed in 6 of 30 (20%) and 4 of 33 (12%) of the investigated patients with and without thrombosis, respectively (not significant). Twenty-five patients (50%) with thrombosis died during the follow-up period; this was associated with cancer in 84% of the deaths. Recurrent thrombosis was observed in four patients (8%) during follow-up. Symptoms of PTS were present in 4 of 22 patients (18%) with thrombosis and in 14 of 36 patients (39%) in whom thrombosis was excluded. CONCLUSIONS: Malignancy and central venous lines are major risk factors of upper extremity thrombosis. Thrombophilia seems to be unrelated to the presence or absence of upper extremity thrombosis. Thrombosis in combination with malignancy predicts poor survival. A scoring system can be used to assess the severity of PTS, but it does not discriminate PTS from other causes of arm complaints.
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