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Related Experiment Videos

A closed-loop system for pressure-controlled intermittent coronary sinus occlusion.

Y Sun1

  • 1Department of Electrical Engineering, University of Rhode Island, Kingston 02881.

Biomedical Instrumentation & Technology
|March 1, 1989
PubMed
Summary

A new computer-controlled system optimizes pressure-controlled intermittent coronary sinus occlusion (PICSO) by monitoring pressure and predicting timing. This enhances treatment for ischemic myocardium during animal studies and clinical trials.

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Area of Science:

  • Cardiovascular Physiology
  • Biomedical Engineering
  • Medical Instrumentation

Background:

  • Ischemic myocardium requires innovative treatments.
  • Coronary sinus occlusion is a potential therapeutic approach.
  • Current methods lack precise physiological adaptation.

Purpose of the Study:

  • To describe a computer-based closed-loop system for PICSO.
  • To optimize PICSO timing based on real-time physiological data.
  • To improve treatment efficacy for myocardial ischemia.

Main Methods:

  • Development of a closed-loop system for PICSO.
  • Integration of pressure monitoring in the coronary sinus.
  • Algorithm for predicting optimal occlusion-release timing.

Related Experiment Videos

  • Utilizing balloon-tip catheter for intermittent obstruction.

    • Main Results:

    • The system successfully monitors coronary sinus occlusion pressure.
    • The system predicts appropriate occlusion-release timing.
    • Demonstrated potential for adapting PICSO cycles to cardiac physiology.

    Conclusions:

    • The described closed-loop system offers precise control over PICSO.
    • This technology can optimize PICSO for treating ischemic myocardium.
    • The system is valuable for both preclinical and clinical investigations.