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Does implantation technique influence lead failure?

Tomas Holubec, Gianluca Ursprung, Felix Schönrath

    Acta Cardiologica
    |November 17, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Lead implantation techniques can influence lead failure. Lead disorders and sharp angulation significantly impacted median implant duration, suggesting technical aspects are crucial for lead longevity.

    Keywords:
    ICDPacemakerlead dysfunction/failure

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    Area of Science:

    • Cardiology
    • Medical Devices
    • Implantable Electronics

    Background:

    • Lead failure in implanted electronic devices is a significant concern.
    • Understanding factors contributing to lead failure is crucial for improving patient outcomes.
    • Implantation techniques are suspected to play a role in lead longevity.

    Purpose of the Study:

    • To analyze the influence of different lead implantation techniques on lead failure.
    • To correlate specific procedural aspects with the median implant duration of failed leads.

    Main Methods:

    • Retrospective analysis of 82 transvenous leads extracted due to failure.
    • Categorization of leads into subgroups based on implantation techniques: venous approach, generator pocket condition, lead angulation, lead-lead interaction, and number of leads.
    • Comparison of median implant duration across these subgroups.

    Main Results:

    • Lead disorders in the generator pocket were associated with a significantly longer median implant duration (107 months) compared to leads without (59 months).
    • Sharp lead angulation also correlated with a longer median implant duration (84 months) versus without (57 months).
    • Lead-lead interactions showed a trend towards longer implant duration with more interactions, but not all comparisons reached statistical significance.

    Conclusions:

    • While not all hypothesized technical aspects were confirmed, lead disorders and sharp angulation are identified as factors potentially influencing lead failure.
    • Technical aspects during lead implantation warrant careful consideration to minimize lead failure and enhance device longevity.