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Related Experiment Videos

[Long-term results in electric pacemaker therapy].

H Trenckmann, M Hofmann, K Emmrich

    Zeitschrift Fur Die Gesamte Innere Medizin Und Ihre Grenzgebiete
    |December 15, 1976
    PubMed
    Summary
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    Pacemaker therapy significantly extends life for patients with atrioventricular block, offering an average of 6 additional years compared to conservative treatments. This study reviews 690 implantations, highlighting device function and complication rates.

    Area of Science:

    • Cardiology and Medical Device Technology
    • Electrophysiology and Cardiac Pacing

    Context:

    • Review of 690 pacemaker implantations in 317 patients between 1963 and 1974.
    • Analysis of long-term outcomes and trends in electric heart stimulation.
    • Patient demographics: average age 62.9 years, 60% male, 40% female.

    Purpose:

    • To evaluate the efficacy and outcomes of pacemaker implantation for electric heart stimulation.
    • To analyze complication rates, device longevity, and survival rates associated with pacemakers.
    • To compare pacemaker therapy outcomes with existing literature and conservative treatment approaches.

    Summary:

    • Constant total atrioventricular block was the primary indication (approx. 50%).
    • Biotronic pacemakers showed the longest average function times (26.7 months).

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  • Complication rate was 21.2%, with cable breaks (8.9%) and pressure necroses/infections (5.8%) being most frequent.
  • Total lethality was 23.7%, with a 50% survival rate at approximately 7.3 years.

    • Impact:

    • Pacemaker therapy demonstrated a significant prolongation of survival, adding approximately 6 years to life expectancy compared to the general population.
    • Electrostimulation is confirmed as an essential therapy for total atrioventricular block with Adams-Stokes syndrome, improving survival rates.
    • The study provides valuable insights into the historical development and long-term effectiveness of early pacemaker technology.