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[Clinical and biological aspects in patient with pH-triggered implanted pacemaker (author's transl)]
Giornale Italiano Di Cardiologia
|January 1, 1978
Summary
This study shows that a pH-triggered pacemaker can adjust heart rate during exercise and stress. This innovative device mimics natural cardiac responses by responding to blood pH variations.
Area of Science:
- Cardiovascular physiology
- Biomedical engineering
- Implantable medical devices
Context:
- Traditional pacemakers lack physiological responsiveness to metabolic changes.
- Exercise and stress induce blood pH variations influencing cardiac function.
- Need for pacemakers that adapt rate to physiological demands.
Purpose:
- To evaluate the efficacy of a novel pH-triggered pacemaker system.
- To assess the pacemaker's ability to modulate heart rate in response to blood pH changes during exercise and stress.
Summary:
- A pH-triggered pacemaker was implanted in patients for one year.
- Clinical tests demonstrated increased cardiac rate during exercise, comparable to sinus rhythm.
- Stress-inducing situations (Cold Pressor Test, Ischaemic Test, emotional stress) also increased pacemaker stimulation rate due to pH variations.
Impact:
- pH-triggered pacemakers offer a more physiological approach to rate modulation.
- Potential to improve quality of life for pacemaker patients by mimicking natural heart rate responses.
- Opens avenues for advanced pacemaker technology responding to metabolic biomarkers.