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Venous thromboembolism: risk factors and prophylaxis
1Division of Hematology, Department of Medicine and Health Administration, Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Ontario, Canada.
Seminars in Respiratory and Critical Care Medicine
|August 10, 2005
Summary
Venous thromboembolism (VTE) is a common, preventable cause of hospital death. Thromboprophylaxis in moderate- to high-risk patients reduces complications and healthcare costs.
Area of Science:
- Medicine
- Cardiology
- Hematology
Background:
- Venous thromboembolism (VTE) is a significant cause of preventable hospital mortality.
- Numerous acquired and inherited risk factors for thrombosis have been identified.
- Patient risk stratification is crucial for effective VTE prevention.
Purpose of the Study:
- To review the role of thromboprophylaxis in preventing VTE complications.
- To outline appropriate prophylaxis strategies based on patient risk.
Main Methods:
- Literature review of acquired and inherited risk factors for thrombosis.
- Analysis of risk stratification methods for hospitalized patients.
- Evaluation of thromboprophylaxis efficacy and cost-effectiveness.
Main Results:
- Hospitalized patients can be stratified into low-, moderate-, and high-risk groups for VTE.
- Thromboprophylaxis significantly decreases morbidity, mortality, and healthcare expenditures in moderate- and high-risk patients.
- Low-dose heparin is recommended for moderate-risk patients.
- Low molecular weight heparin or adjusted-dose warfarin is recommended for high-risk patients.
Conclusions:
- Routine thromboprophylaxis is essential for preventing VTE in at-risk hospitalized patients.
- Tailored prophylaxis strategies based on risk stratification improve patient outcomes.
- Effective VTE prevention reduces mortality and healthcare costs.