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Endovascular methods for caval interruption

L J Greenfield1, M C Proctor

  • 1Department of Surgery, University of Michigan Hospitals, Ann Arbor, USA.

Seminars in Vascular Surgery
|February 12, 1998
PubMed
Summary
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This study compares six FDA-approved vena cava filters, detailing their designs and functions. It also discusses temporary filters and endovascular techniques for filter placement and retrieval.

Area of Science:

  • Vascular surgery
  • Interventional radiology
  • Medical device engineering

Background:

  • Vena caval interruption is crucial for preventing pulmonary embolism.
  • Endovascular techniques have advanced vena cava filter placement and management.
  • Several vena cava filter devices are available, each with unique characteristics.

Purpose of the Study:

  • To compare the design and function of currently FDA-approved vena cava filters.
  • To evaluate the utility and limitations of temporary vena cava filters.
  • To describe endovascular techniques for managing filter placement issues.

Main Methods:

  • Comparative analysis of six FDA-approved vena cava filters (Greenfield, Venatech, Simon Nitinol, Bird's Nest).
  • Review of literature on temporary filter use and limitations.

Related Experiment Videos

  • Description of endovascular procedures for filter misplacement correction.

    • Main Results:

    • Detailed comparison of filter designs and functional mechanisms.
    • Assessment of the effectiveness and drawbacks of temporary filters.
    • Demonstration of endovascular solutions for filter-related complications.

    Conclusions:

    • Understanding filter design and function is key to optimal patient selection.
    • Temporary filters offer an alternative but have specific limitations.
    • Endovascular techniques provide valuable tools for managing vena cava filters effectively.