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Related Concept Videos

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 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 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...
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...

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Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Mesenteric venous thrombosis.

Ian G Harnik1, Lawrence J Brandt

  • 1Montefiore Medical Center, Bronx, NY 10467, USA. iharnik@montefiore.org

Vascular Medicine (London, England)
|October 8, 2010
PubMed
Summary

Acute mesenteric venous thrombosis (MVT) is a rare condition requiring high suspicion for diagnosis. Prompt anticoagulation and timely intervention are crucial for managing MVT and preventing complications like intestinal infarction.

Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Radiology

Background:

  • Acute mesenteric venous thrombosis (MVT) is an uncommon cause of intestinal ischemia, often presenting with non-specific symptoms.
  • Diagnosis requires a high index of suspicion and is often challenging.
  • Etiologies include intra-abdominal factors and hypercoagulable states.

Purpose of the Study:

  • To review the diagnosis, management, and outcomes of acute and chronic mesenteric venous thrombosis.
  • To highlight the importance of early recognition and treatment strategies.

Main Methods:

  • Diagnosis primarily relies on contrast-enhanced computed tomography (CECT).
  • Angiography and exploratory surgery play diagnostic and therapeutic roles.
  • Management strategies include anticoagulation, thrombectomy, thrombolysis, and surgical resection.

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New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation

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Visualization of Neutrophil Extracellular Traps in Mesenteric Venules After Mesenteric Ischemia-Reperfusion Injury via Intravital Microscopy
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Visualization of Neutrophil Extracellular Traps in Mesenteric Venules After Mesenteric Ischemia-Reperfusion Injury via Intravital Microscopy

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Multimodality Diagnosis of Mesenteric Ischemia
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Visualization of Neutrophil Extracellular Traps in Mesenteric Venules After Mesenteric Ischemia-Reperfusion Injury via Intravital Microscopy
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Visualization of Neutrophil Extracellular Traps in Mesenteric Venules After Mesenteric Ischemia-Reperfusion Injury via Intravital Microscopy

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Main Results:

  • Anticoagulation reduces clot propagation, recurrence, and mortality.
  • Thrombectomy and thrombolysis can preserve bowel viability.
  • Surgical resection is indicated for confirmed intestinal infarction.

Conclusions:

  • Acute MVT is a life-threatening condition necessitating rapid diagnosis and aggressive management.
  • Chronic MVT management focuses on portal hypertension complications and anticoagulation when indicated.
  • Mortality in both acute and chronic MVT is influenced by underlying risk factors and timely interventions.