The RETRIEVE trial: safety and effectiveness of the retrievable crux vena cava filter

H Bob Smouse1, Robert Mendes, Marc Bosiers

  • 1Department of Vascular and Interventional Radiology, OSF St. Francis Medical Center, 530 NE Glen Oak, Peoria IL 61637, USA. bsmouse@cirarad.com

Insights

The Crux vena cava filter demonstrated safety and effectiveness in preventing pulmonary embolism (PE). This clinical trial showed high success rates for deployment, retrieval, and overall patient outcomes.

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Pulmonary embolism (PE) poses a significant risk to patient health.
  • Inferior vena cava (IVC) filters are used to prevent PE in high-risk patients.
  • Evaluating new IVC filter devices is crucial for improving patient safety and treatment efficacy.

Purpose of the Study:

  • To assess the safety and effectiveness of the Crux vena cava filter.
  • To determine the clinical success rate of the Crux filter in patients at risk for PE.
  • To evaluate device-related adverse events and retrieval success.

Main Methods:

  • Prospective, international, multicenter, single-arm clinical trial.
  • 125 patients implanted with the Crux filter.
  • 180-day follow-up post-placement and 30-day post-retrieval.

Main Results:

  • Clinical success rate of 96.0% (120/125 patients).
  • High technical success (98.4%) and retrieval success (98.1%).
  • Low rates of definite PE (2.4%) and no device migration or fracture observed.

Conclusions:

  • The Crux vena cava filter is safe and effective for PE prevention.
  • Achieved high clinical, technical, and retrieval success rates.
  • Demonstrated a favorable safety profile in a large patient cohort.
Abstract

Related Concept Videos

Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy01:26

Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy (CRRT) is an essential intervention for patients experiencing severe kidney dysfunction. This therapy offers a continuous mechanism for removing fluids and toxins from the bloodstream, leveraging the patient’s blood pressure to facilitate filtration through a specialized filter. This method contrasts with intermittent dialysis, providing a gentler and more consistent removal of waste products and excess fluid, which is particularly beneficial in critically...
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
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...
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...
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration01:25

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...