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[The permanent electrostimulation with ventricular programmable pacemaker (author's transl)]

E M Greco, L Sernesi, M De Martini

    Giornale Italiano Di Cardiologia
    |January 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

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    Programmable pacemakers (PPMs) show excellent reliability and long-term results in patients with heart block and sick sinus syndrome. Echocardiography is useful for assessing hemodynamic performance in paced patients.

    Area of Science:

    • Cardiology and Medical Devices
    • Electrophysiology and Cardiac Pacing

    Context:

    • Evaluation of ventricular programmable pacemakers (PPMs) in patients with bradyarrhythmias.
    • Study included 110 PPMs implanted in 60 patients with atrioventricular block and 50 with sick sinus syndrome (SSS).
    • Follow-up period of 45 months.

    Purpose:

    • To assess the reliability, long-term outcomes, and hemodynamic effects of ventricular programmable pacemakers (PPMs).
    • To evaluate the effectiveness of PPMs in managing intermittent or paroxysmal atrioventricular block and symptomatic sick sinus syndrome.
    • To determine the utility of echocardiography in assessing ventricular performance in paced patients.

    Summary:

    • No spontaneous or erroneous reprogrammations or circuit failures were observed with Cordis and Medtronic PPMs.

    Related Experiment Videos

  • 92% of patients with Omni-Stanicor Cordis PPMs achieved effective stimulation at lower current amplitudes, prolonging generator life.
  • 16.3% of patients required increased pacing rates due to symptoms or bradycardia; cardiac output decreased with ventricular pacing due to loss of atrial contribution.

    • Impact:

    • Programmable pacemakers are effective in preserving spontaneous rhythm until bradycardia necessitates pacing.
    • Echocardiography is a valuable tool for evaluating the hemodynamic performance of paced patients.
    • Findings support the judicious use of PPMs and highlight the importance of hemodynamic assessment post-implantation.