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Venous Thromboembolism Prophylaxis Who, when and what?

Venous Thromboembolism Prophylaxis Who, when and what?

Venous Thromboembolism Prophylaxis Who, when and what?

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Thromboprophylaxis of Medical Patients<br />

Clear benefits over placebo<br />

Study RRR NNT <strong>Prophylaxis</strong> Pts with VTE,<br />

%<br />

MEDENOX<br />

n=1102<br />

PREVENT<br />

n=3706<br />

ARTEMIS<br />

n=849<br />

63% 10 Placebo<br />

Enoxaparin<br />

40mg<br />

45% 45 Placebo<br />

Dalteparin<br />

47% 20 Placebo<br />

Fondaparinux<br />

14.9<br />

5.5<br />

5.0<br />

2.8<br />

10.5<br />

5.6<br />

Samama MM, et al. N Engl J Med 1999; 341: 793-800<br />

Leizorovicz A, et al. Circulation 2004; 110: 874-9<br />

Cohen AT, et al. J Thromb Haemostat 2003; 1: Suppl 1: 2046

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