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Prophylaxis of venous thromboembolism
1Thrombosis Research Institute, Chelsea, London, England, United Kingdom.
World Journal of Surgery
|September 1, 1990
Summary
Low-dose heparin effectively prevents deep vein thrombosis (DVT) and fatal pulmonary embolism in surgical patients. It offers significant mortality reduction with a low risk of bleeding complications.
Area of Science:
- Medical research
- Thrombosis prevention
- Pharmacology
Background:
- Venous thromboembolism (VTE) prophylaxis aims to prevent fatal pulmonary embolism and deep vein thrombosis (DVT) morbidity.
- Standard prophylaxis is recommended for surgical patients over 40 and younger patients with a VTE history.
- High-risk groups include elderly patients, those with malignancy, and hip surgery patients.
Purpose of the Study:
- To outline the objectives and current practices in VTE prophylaxis.
- To highlight the efficacy and safety of low-dose heparin.
- To discuss alternative and adjunctive preventive measures.
Main Methods:
- Review of existing literature and clinical guidelines on VTE prophylaxis.
- Evaluation of low-dose subcutaneous heparin efficacy and safety profile.
- Assessment of low molecular weight heparin fragments and mechanical prophylaxis.
Main Results:
- Low-dose heparin (5,000 IU) is effective in preventing DVT and reducing fatal pulmonary embolism and mortality.
- Prophylaxis limits clot propagation in established DVT.
- Low molecular weight heparins offer once-daily dosing with similar efficacy.
- Mechanical methods prevent DVT but not fatal pulmonary embolism.
Conclusions:
- Low-dose heparin is a cornerstone of VTE prophylaxis, significantly reducing mortality.
- Low molecular weight heparins provide a convenient alternative.
- Mechanical methods are valuable for specific patient groups or in combination with heparin.