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Updated: Jun 4, 2025
06:45
Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
Published on: February 10, 2023
12.8K
Venous thromboembolism in transfer trauma patients: A global problem
Brianna L Collie1, Luciana Tito Bustillos1, Nicole B Lyons2
1Dewitt Daughtry Family Department of Surgery, University of Miami Miller School of Medicine, and Ryder Trauma Center, Miami, FL.
Surgery
|December 27, 2024
Summary
Internationally transferred trauma patients show a 6-8% incidence of venous thromboembolism (VTE) upon arrival. Early risk stratification and screening imaging are recommended for these high-risk patients.
Area of Science:
- Trauma surgery
- Vascular medicine
- Emergency medicine
Background:
- Air travel and immobility are known risk factors for venous thromboembolism (VTE).
- International trauma transfers involve prolonged travel, potentially increasing VTE risk.
Purpose of the Study:
- To investigate the incidence of VTE in internationally transferred trauma patients upon arrival.
- To test the hypothesis of a high VTE incidence in this specific patient population.
Main Methods:
- Retrospective review of a prospectively maintained registry of international trauma transfers (Jan 2023 - Jun 2024).
- Inclusion criteria: patients with lower extremity venous duplex ultrasound or contrast-enhanced chest CT on arrival.
- Primary outcome: diagnosis of VTE (deep venous thrombosis or pulmonary embolism).
Main Results:
- 161 patients were analyzed; 93% underwent screening ultrasound, 52% had chest CT.
- Incidence of deep venous thrombosis was 6%; pulmonary embolism was 8.3%.
- Higher Greenfield risk scores were associated with VTE presence (P < .05).
Conclusions:
- This study is the first to report a 6-8% VTE incidence on arrival for international trauma transfers.
- Recommends risk stratification for thromboprophylaxis at transferring centers.
- Advocates for screening ultrasound and CT scans upon admission at receiving centers.
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