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Related Experiment Videos

Lead fracture in pacemaker patients.

E Alt, R Völker, H Blömer

    The Thoracic and Cardiovascular Surgeon
    |April 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Pacemaker lead fractures are a significant concern, with single-filar coil leads showing higher rates. Multifilar coil leads offer better survival, especially in patients with AV-block, suggesting replacement may be beneficial.

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    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Medical Device Research

    Background:

    • Pacemaker lead fractures are a known complication.
    • Understanding fracture incidence and risk factors is crucial for patient safety and device longevity.

    Purpose of the Study:

    • To investigate the incidence and patterns of pacemaker lead fractures.
    • To compare fracture rates among different lead types and identify associated risk factors.
    • To evaluate the impact of lead type on patient survival in those with AV-block.

    Main Methods:

    • Retrospective analysis of 2,563 implanted pacemaker leads in 2,226 patients over 8,558 patient-years.
    • Categorization of leads into single-filar coil, Siemens Elema 588, and multifilar coil types.
    • Statistical comparison of fracture rates based on lead type, implantation site, and patient characteristics.

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    Main Results:

    • Overall lead fracture incidence was 3.9% (1.2% per patient-year).
    • Single-filar coil leads had a significantly higher fracture rate (7.0%) compared to Siemens Elema 588 (2.5%) and multifilar coil leads (1.0%).
    • Leads implanted via the internal jugular vein showed a higher fracture rate, with most fractures occurring outside the vascular system.

    Conclusions:

    • Single-filar coil pacemaker leads exhibit a higher risk of fracture.
    • Multifilar coil leads are associated with improved survival in patients with AV-block.
    • Consideration for replacing single-filar coil leads in pacemaker-dependent patients is warranted.