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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...
Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
The inferior vena cava is fed by numerous smaller veins. The lumbar veins, for instance, drain the posterior abdominal wall, emptying both directly into the inferior vena cava and into the...
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
Overview of Systemic Veins01:11

Overview of Systemic Veins

Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the middle...
Overview of Systemic Arteries01:11

Overview of Systemic Arteries

The human body is a complex, well-organized machine, and at the heart of its operations lies the circulatory system. This network of blood vessels, which includes systemic arteries, plays a vital role in maintaining life by transporting nutrients, oxygen, and waste products to and from cells throughout the body.
Systemic circulation is the part of the cardiovascular system that carries oxygenated blood away from the heart to the body's tissues and returns deoxygenated blood back to the heart.
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...

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Related Experiment Video

Updated: Jun 4, 2026

Quantifying Inferior Vena Cava Compliance and Distensibility in an In Vivo Ovine Model Using 3D Angiography
07:53

Quantifying Inferior Vena Cava Compliance and Distensibility in an In Vivo Ovine Model Using 3D Angiography

Published on: April 26, 2024

Inferior vena cava filters.

Thomas B Kinney1

  • 1Professor of Clinical Radiology, UCSD Medical Center, San Diego, California.

Seminars in Interventional Radiology
|February 18, 2011
PubMed
Summary

Inferior vena cava (IVC) filters help prevent pulmonary emboli (PE) but can cause long-term deep venous thrombosis (DVT) and filter occlusion. Optimal timing for IVC filter placement and removal is crucial for patient safety.

Area of Science:

  • Vascular Medicine
  • Interventional Cardiology
  • Diagnostic Imaging

Background:

  • Venous thromboembolism (VTE) presents diagnostic challenges due to nonspecific symptoms.
  • Multidetector computed tomography and D-dimer assays aid in VTE diagnosis and risk stratification.
  • Anticoagulation therapy (OAT) is standard for VTE, with IVC filters used when OAT is contraindicated or complicated.

Purpose of the Study:

  • To address the optimal timing for inferior vena cava (IVC) filter placement.
  • To discuss the benefits and long-term complications of IVC filters in preventing pulmonary emboli (PE).
  • To guide the use of optional IVC filters for improved patient outcomes.

Main Methods:

  • Review of current diagnostic modalities for VTE, including CT and serological assays.
Keywords:
Venousembolismfilterspulmonarythrombosisvenae cavai

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  • Analysis of the efficacy and adverse events associated with IVC filter use.
  • Evaluation of the temporal relationship between IVC filter placement and complications.

    • Main Results:

    • IVC filters effectively prevent short- and intermediate-term PE.
    • Long-term IVC filter use is associated with increased recurrent deep venous thrombosis (DVT) and filter/IVC occlusion.
    • The development of optional, retrievable IVC filters addresses the need for time-limited use.

    Conclusions:

    • Careful consideration of the timing of IVC filter placement is essential.
    • Retrievable IVC filters offer a solution for temporary PE prophylaxis.
    • Balancing the benefits of PE prevention against risks of DVT and occlusion is key to VTE management.