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Updated: Jun 13, 2025

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
Published on: February 10, 2023
Venous Thromboembolism in Unusual Locations
Amber Afzal1, Frank Garrett Conyers2, Steven Sauk3
1Division of Hematology, Department of Medicine, Washington University in St Louis, 1 Barnes Jewish Hospital Plaza, St Louis, MO 63110, USA.
Unusual site thrombosis, including splanchnic, cerebral, and renal veins, presents unique challenges. This review guides providers on managing these rare conditions with specific risk factors and treatments.
Area of Science:
- Vascular Medicine
- Hematology
- Internal Medicine
Background:
- Thrombosis at unusual sites (splanchnic, cerebral, renal veins) differs from extremity thrombosis.
- Limited data complicates management strategies for these rare venous thromboembolisms.
- Healthcare providers often face difficulties in treating these specific thrombotic conditions.
Purpose of the Study:
- To provide a comprehensive review of thrombosis at unusual venous sites.
- To guide clinicians in managing splanchnic, cerebral, and renal vein thromboses.
- To consolidate information on site-specific risk factors, diagnostics, and treatment.
Main Methods:
- Literature review of existing studies on unusual site thrombosis.
- Analysis of risk factors, clinical presentations, and diagnostic modalities.
- Synthesis of current evidence on anticoagulant and procedural management.
Main Results:
- Distinct risk factors and clinical presentations identified for splanchnic, cerebral, and renal vein thrombosis.
- Diagnostic techniques for unusual site thromboses are reviewed.
- Current literature on anticoagulant and procedural interventions is summarized.
Conclusions:
- Effective management of unusual site thrombosis requires understanding site-specific nuances.
- This review offers guidance for healthcare providers facing these rare thrombotic events.
- Further research is warranted to optimize treatment protocols for venous thrombosis at unusual locations.
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