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Related Experiment Videos

Detachment of pacemaker active fixation helix.

K D Dawkins, S Jones, D E Ward

    Pacing and Clinical Electrophysiology : PACE
    |July 1, 1983
    PubMed
    Summary

    Active fixation electrodes improve pacing, but a specific Medtronic ventricular lead (Model 6959) has shown a significant complication. This highlights potential risks with advanced pacing technology.

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    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Medical Device Technology

    Background:

    • Active fixation electrodes represent a significant advancement in permanent endocardial pacing for both atrial and ventricular applications.
    • These devices aim to improve lead stability and reduce complications associated with passive fixation methods.

    Observation:

    • This report details a specific complication encountered with the Medtronic transvenous unipolar screw-in ventricular lead, Model 6959.
    • The complication arises from the use of this particular active fixation electrode design.

    Findings:

    • A notable complication has been identified with the Medtronic Model 6959 ventricular lead.
    • This finding is crucial for understanding the performance and safety profile of this specific pacing device.

    Implications:

    • The identified complication necessitates careful consideration and potential modification of active fixation lead designs.
    • Clinicians should be aware of this potential issue when selecting and implanting ventricular pacing leads.
    • Further research into the mechanisms and frequency of this complication is warranted to ensure patient safety in cardiac pacing.

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