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Related Experiment Videos

Detached pacing electrode tip as a pulmonary embolus.

J Heikkilä, H Meurala

    Annals of Clinical Research
    |February 1, 1979
    PubMed
    Summary
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    Accidental detachment of a unipolar pacing electrode tip during removal led to its migration into the pulmonary artery. Fortunately, only mild pleural irritation occurred as a consequence.

    Area of Science:

    • Cardiology
    • Medical Device Technology
    • Vascular Surgery

    Background:

    • Endocardial pacing electrodes are crucial for cardiac rhythm management.
    • Complications during device removal, such as electrode detachment, require careful consideration.

    Observation:

    • A unipolar endocardial pacing electrode tip detached during forceful extraction.
    • The detached tip migrated from the jugular vein into the central venous circulation.
    • The electrode tip subsequently traveled into a pulmonary artery branch.

    Findings:

    • The migrated electrode tip lodged in a pulmonary artery branch.
    • The patient experienced transient pleural irritation as the sole adverse event.
    • No major cardiovascular or pulmonary complications were reported.

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    Implications:

    • Highlights the potential risks associated with forceful removal of intravascular devices.
    • Underscores the importance of careful technique during pacemaker lead extraction.
    • Suggests that even migrated foreign bodies may have limited sequelae in some cases.