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Related Experiment Videos

[Decrease in the electrostimulation threshold of the heart by saturating the electrode with glucocorticoids].

Iu Iu Bredikis, I Iu Skuchas, P P Stirbis

    Biulleten' Eksperimental'Noi Biologii I Meditsiny
    |March 1, 1985
    PubMed
    Summary

    A novel pacing electrode releases glucocorticoids to lower the heart pacing threshold. Animal studies confirm dexamethasone-saturated electrodes significantly reduce pacing energy requirements.

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    [The first clinical experience in extended myoventriculoplasty with programmed cardiosynchronized electroneurostimulation].

    Grudnaia i serdechno-sosudistaia khirurgiia·1990

    Area of Science:

    • Biomedical Engineering
    • Cardiology
    • Materials Science

    Context:

    • Cardiac pacing requires effective electrodes to deliver electrical stimulation.
    • High pacing thresholds necessitate increased energy delivery, potentially leading to discomfort and reduced battery life.
    • Reducing pacing thresholds is crucial for improving patient outcomes and device longevity.

    Purpose:

    • To design and evaluate a novel cardiac pacing electrode.
    • To investigate the efficacy of glucocorticoid elution from a porous electrode surface.
    • To determine if dexamethasone saturation can reduce cardiac pacing thresholds.

    Summary:

    • A porous pacing electrode was developed and saturated with glucocorticoids.
    • Pre-implantation saturation with dexamethasone was performed.

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  • Animal studies demonstrated a significant reduction in cardiac pacing thresholds using the modified electrode.

    • Impact:

    • This innovation could lead to more efficient cardiac pacing therapies.
    • Reduced pacing thresholds may allow for smaller batteries and less invasive device implantation.
    • Further research may optimize drug-eluting electrodes for various cardiac conditions.