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Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
Published on: February 10, 2023
Deep venous thrombosis in the trauma patient
1Department of Surgery, University of Washington School of Medicine, Seattle, USA.
Seminars in Vascular Surgery
|January 6, 1999
Summary
Deep venous thrombosis (DVT) remains a significant risk for trauma patients despite advances. Identifying high-risk individuals and tailoring prophylaxis are crucial for better outcomes.
Area of Science:
- Trauma Care
- Vascular Surgery
- Thromboembolism Prophylaxis
Background:
- Deep venous thrombosis (DVT) continues to cause significant morbidity and mortality in trauma patients, with pulmonary embolism occurring in up to 6% of cases.
- The post-thrombotic syndrome's long-term morbidity is underemphasized, despite risk factors like prolonged immobilization and venous injury contributing to DVT development.
- Underlying imbalances in coagulation and fibrinolysis are implicated in DVT pathogenesis among injured patients.
Purpose of the Study:
- To review the current understanding of DVT risk factors and prophylaxis in trauma patients.
- To highlight the limitations of existing prophylactic measures and explore potential new strategies.
- To emphasize the need for tailored prophylactic therapy based on individual patient risk factors.
Main Methods:
- Review of existing literature on DVT in trauma patients.
- Analysis of risk factors including patient demographics, injury types, and medical interventions.
- Evaluation of current and emerging prophylactic strategies, including pharmacological and mechanical methods.
Main Results:
- Specific subpopulations, such as older patients, those with pelvic/lower extremity fractures, spinal cord injuries, and central venous lines, are at higher risk for DVT.
- Current prophylactic measures like intermittent pneumatic compression and low-dose unfractionated heparin have limitations.
- Low-molecular-weight heparins show promise, and measures like duplex ultrasound screening and vena cava filters may benefit very high-risk patients.
Conclusions:
- Despite advances, DVT remains a critical concern in trauma care, necessitating ongoing research and improved management strategies.
- The effectiveness of prophylactic measures is controversial, underscoring the need for further validation of emerging therapies.
- A deeper understanding of operative risk factors is essential for personalizing DVT prophylaxis in trauma patients.
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