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Related Concept Videos

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...
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...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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 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...
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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New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
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Published on: June 27, 2025

Portal vein embolization: rationale, technique, and current application.

Benjamin J May1, David C Madoff

  • 1Division of Interventional Radiology, Department of Radiology, New York - Presbyterian Hospital/Weill Cornell Medical Center, New York, New York.

Seminars in Interventional Radiology
|June 5, 2013
PubMed
Summary
This summary is machine-generated.

Portal vein embolization (PVE) before liver surgery helps the remaining liver grow larger. This technique improves patient outcomes and expands eligibility for curative liver resections.

Keywords:
Portal veinembolizationliver malignancyliver resection

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Area of Science:

  • Hepatobiliary Surgery
  • Interventional Radiology
  • Surgical Oncology

Background:

  • Portal vein embolization (PVE) is a pre-operative treatment.
  • It aims to induce hypertrophy in the future liver remnant (FLR).
  • PVE is crucial for patients with insufficient FLR volume before hepatic resection.

Purpose of the Study:

  • To review the rationale behind PVE.
  • To discuss technical considerations for PVE.
  • To outline the current applications of preoperative PVE.

Main Methods:

  • The article reviews existing literature on PVE.
  • It synthesizes information on PVE's mechanism, indications, and outcomes.
  • Technical aspects of performing PVE are discussed.

Main Results:

  • PVE redirects portal blood flow, stimulating FLR hypertrophy.
  • It is indicated for small or marginally sized FLR to prevent complications.
  • PVE reduces postoperative morbidity and increases resection eligibility.

Conclusions:

  • Preoperative PVE is a valuable technique to optimize FLR size.
  • It enhances patient selection for curative liver resections.
  • PVE is increasingly combined with other therapies for improved surgical results.