The majority of hospitalized patients have risk factors for VTE.
DVT is common in many groups of hospitalized patients.
DVT and PE acquired in hospital are often clinically silent.
DVT and symptomatic PE → fatal PE.
Costs of exams in symptomatic patients.
Risks and costs of the treatment of VTE is not prevented, eg .: bleeding.
The future increase in risk of VTE recurrence.
Thromboprophylaxis is highly effective in the prevention of DVT and proximal DVT.
The Cost/Effectiveness of prophylaxis has been repeatedly demonstrated.