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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

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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...
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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...
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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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Esophageal Varices-II: Clinical Features and Management01:28

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
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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...
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Updated: Sep 1, 2025

Occlusion of the Great and Small Saphenous Vein Using Copolymeric Glue Based on N-Butyl Cyanoacrylate and Methacryloxy Sulfolane
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Venous outflow stenting for symptomatic developmental venous anomaly.

Kislay Kishore1,2, Vivek Bodani1,2, Richard Olatunji1

  • 1Department of Medical Imaging, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.

Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences
|August 18, 2022
PubMed
Summary

Developmental venous anomalies (DVAs) are common brain vascular malformations. A novel venous stenting technique successfully treated a rare symptomatic pontomedullary DVA with outflow obstruction, offering a new therapeutic option.

Keywords:
Symptomatic developmental venous anomaliesendovascular treatmentintracranial stentingvascular malformationsvenous congestion

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Murine Model of Central Venous Stenosis using Aortocaval Fistula with an Outflow Stenosis
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Area of Science:

  • Neurology
  • Vascular Surgery
  • Interventional Radiology

Background:

  • Developmental venous anomalies (DVAs) are frequent cerebral vascular malformations, typically asymptomatic.
  • Symptomatic DVAs can arise from mechanical compression, altered inflow, or venous outflow obstruction.
  • Pontomedullary DVAs are rare, and their symptomatic presentation poses diagnostic and therapeutic challenges.

Purpose of the Study:

  • To report a unique case of a symptomatic pontomedullary DVA.
  • To investigate venous outflow obstruction as a cause of progressive neurological decline in a young adult.
  • To evaluate the efficacy and safety of endovascular venous outlet stenting for a DVA with outflow obstruction.

Main Methods:

  • Case report of a young adult with a pontomedullary DVA presenting with progressive neurological worsening.
  • Diagnostic workup including neuroimaging to identify venous outflow obstruction.
  • Interventional treatment using endovascular venous outlet stenting of the collector vein.

Main Results:

  • The patient experienced progressive neurological deterioration despite anticoagulation therapy.
  • Venous outflow obstruction was confirmed as the cause of the symptomatic DVA.
  • Venous outlet stenting resulted in a favorable clinical outcome and neurological improvement.

Conclusions:

  • Venous outflow obstruction can lead to symptomatic pontomedullary DVAs.
  • Endovascular venous outlet stenting is a potentially effective and safe treatment for carefully selected DVAs with venous outflow obstruction.
  • This novel approach offers an alternative therapeutic strategy when conservative measures fail.