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Related Concept Videos

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
Venous Thrombosis IV: Nursing Management01:30

Venous Thrombosis IV: Nursing Management

Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...

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Related Experiment Video

Updated: Jun 8, 2026

Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis
04:34

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Published on: June 15, 2011

Postthrombotic vein wall remodeling: preliminary observations.

Kristopher B Deatrick1, Megan Elfline, Nichole Baker

  • 1Section of Vascular Surgery, Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA.

Journal of Vascular Surgery
|September 28, 2010
PubMed
Summary

Post-thrombotic syndrome involves vein wall thickening after deep vein thrombosis (DVT). Even with DVT resolution, vein wall thickness increases, indicating ongoing remodeling and potential therapeutic targets.

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Area of Science:

  • Vascular Biology
  • Venous Thromboembolism
  • Postthrombotic Syndrome

Background:

  • Post-thrombotic syndrome (PTS) results from fibrotic vein injury after deep vein thrombosis (DVT).
  • Understanding vein wall changes and associated inflammatory markers is crucial for managing PTS.
  • This study investigates vein wall remodeling and biomarkers in DVT patients.

Purpose of the Study:

  • To quantify vein wall thickness changes in patients with and without DVT resolution at 6 months.
  • To identify differences in inflammatory protein levels associated with venous remodeling post-DVT.
  • To explore the relationship between vein wall thickness, DVT resolution, and specific biomarkers.

Main Methods:

  • Prospective recruitment of patients with lower extremity DVT.
  • Serial duplex ultrasound imaging to assess DVT resolution and vein wall thickness.
  • Measurement of inflammatory markers (MMP-9, TLR-9, TLR-4, P-selectin) in blood and leukocytes.

Main Results:

  • Vein wall thickness increased significantly (1.5-1.8 fold) in both resolving and non-resolving DVT groups compared to controls.
  • Vein walls were thicker (1.4 fold) in patients with complete DVT resolution versus those with persistent thrombus at 6 months.
  • Elevated MMP-9 and TLR-4 levels and altered TLR-9 expression were observed in thrombosed patients.

Conclusions:

  • Vein wall remodeling is a persistent process after DVT, measurable by ultrasound.
  • Increased vein wall thickness at 6 months correlates with DVT resolution.
  • Early vein wall response to thrombus formation persists even with complete resolution, suggesting potential therapeutic interventions.