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Related Experiment Videos

Thromboembolism associated with pigtail catheters.

A Rashid, F J Hildner, A Fester

    Catheterization and Cardiovascular Diagnosis
    |January 1, 1975
    PubMed
    Summary

    Polyurethane pigtail catheters were linked to three cases of arterial thromboembolism during left ventricular angiocardiography. Researchers recommend limiting their use due to potential clot dislodgement risks.

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    Area of Science:

    • Cardiovascular medicine
    • Medical device safety
    • Interventional cardiology

    Background:

    • Left ventricular angiocardiography is a crucial diagnostic procedure.
    • Catheter material can influence procedural safety and outcomes.
    • Previous studies have raised concerns about thrombogenicity of different catheter materials.

    Observation:

    • Three instances of asymptomatic arterial thromboembolism were observed during 1,417 left ventricular angiocardiography procedures.
    • These events were specifically associated with the use of polyurethane pigtail catheters.
    • No thromboembolic events were reported with polyethylene pigtail or other catheter types (Eppendorf, Gensini).

    Findings:

    • In vitro analysis revealed higher flow-pressure transmission through polyurethane (Cordis) pigtail catheters compared to polyethylene (Cook) catheters.

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  • This hydraulic characteristic may promote dislodgment of pre-existing clots.
  • The comparative thrombogenicity between polyurethane and polyethylene remains an area for further investigation.

    • Implications:

    • The findings suggest a potential risk of thromboembolism associated with polyurethane pigtail catheters.
    • Clinical practice may need to reconsider the use of these specific devices.
    • Further research is warranted to fully elucidate the thrombotic potential of various catheter materials.