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Related Experiment Videos

FilterWire Ex membrane tear from plaque burden.

Nhan Nguyen1, Anuradha Gudavalli, Christopher Cove

  • 1Department of Cardiology, University of Rochester Medical Center, Strong Memorial Hospital, Rochester, New York 14642, USA.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|January 29, 2005
PubMed
Summary
This summary is machine-generated.

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Distal protection devices can fail. In two cases, atherosclerotic plaque tore through the FilterWire EX filter during retrieval, indicating a potential complication even with proper use.

Area of Science:

  • Cardiovascular interventions
  • Medical device safety

Background:

  • Distal protection devices (DPDs) are used to prevent embolization of atherosclerotic plaque during percutaneous coronary interventions.
  • These devices aim to reduce complications like myocardial infarction and stroke.
  • Despite their benefits, potential device-related complications remain a concern.

Observation:

  • The study reports two distinct cases involving the FilterWire EX, a specific type of distal protection device.
  • In both instances, the device was used as recommended during the atherosclerotic plaque removal procedure.
  • During the retrieval of the device, the captured plaque caused the filter membrane to tear.

Findings:

  • The FilterWire EX filter membrane tore due to the captured atherosclerotic plaque during the retrieval process in both reported cases.

Related Experiment Videos

  • This tearing suggests a mechanical failure mode of the device under specific clinical conditions.
  • The integrity of the filter membrane may be compromised by plaque characteristics or retrieval forces.

    • Implications:

    • This finding highlights a previously unreported complication associated with the FilterWire EX device.
    • Further investigation into the mechanical properties and failure modes of DPDs is warranted.
    • Clinicians should be aware of this potential complication and consider strategies to mitigate the risk during device retrieval.