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Related Experiment Videos

A new dual chamber single lead system

J Hirschberg1, C Ekwall, H Strandberg

  • 1Siemens-Elema AB, Cardiac Systems Division, Solna, Sweden.

Pacing and Clinical Electrophysiology : PACE
|November 1, 1994
PubMed
Summary
This summary is machine-generated.

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A novel single-lead pacing system for DDD pacing was evaluated in an animal study. This innovative design offers full DDD pacing capabilities, unlike traditional VDD systems, with stable acute performance.

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Devices

Background:

  • Conventional DDD pacing systems utilize two separate electrode leads.
  • VDD pacing systems offer a single lead but lack the full range of DDD stimulation and detection capabilities.
  • There is a need for single-lead systems that provide comprehensive DDD pacing functionality.

Purpose of the Study:

  • To evaluate a novel single-lead pacing system designed for full DDD pacing.
  • To assess the feasibility of placing atrial and ventricular electrodes on a single lead for comprehensive pacing.

Main Methods:

  • An animal study was conducted to test a new single lead design.
  • The lead featured a distal electrode positioned in the atrium and a proximal ring electrode in the right ventricle.

Related Experiment Videos

  • Acute stimulation thresholds and sensing amplitudes were measured.

    • Main Results:

    • The new single-lead design successfully enabled the full range of DDD pacing options, including atrial stimulation.
    • Acute stimulation thresholds and sensing amplitudes were found to be stable.
    • Performance was comparable to conventional DDD pacing systems.

    Conclusions:

    • The evaluated single-lead design shows promise for achieving full DDD pacing capabilities.
    • This innovative approach may offer an alternative to dual-lead systems, potentially simplifying implantation and improving patient outcomes.
    • Further long-term studies are underway to confirm sustained efficacy and safety.