Key result
Myopotential inhibition occurred in 47% of patients with unipolar pacemakers during reach maneuvers, with susceptibility varying from 33% to 78% depending on the manufacturer.
Why the study?
Do unipolar pacemakers with advanced sensing amplifiers and insulative coating reduce the incidence of myopotential inhibition compared to standard models?
Population
77 patients with implanted unipolar pacemakers from three manufacturers
Comparison
Unipolar pacemakers incorporating… vs Unipolar pacemakers with standard bandpass…
Design
Cross-sectional
Authors
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Myopotential inhibition remains frequent in unipolar pacemakers; manufacturer variation supports hypothesis that advanced amplifiers may reduce risk but requires prospective confirmation.
Observational (n=77)
Do unipolar pacemakers with advanced sensing amplifiers and insulative coating reduce the incidence of myopotential inhibition compared to standard models?
Advanced sensing amplifiers and insulative coating in unipolar pacemakers significantly reduce the incidence and severity of myopotential inhibition during physical maneuvers.
Fetter et al. (1984) conducted an observational in Implanted unipolar pacemakers (n=77). Unipolar pacemakers during isometric and reach exercises was evaluated on Myopotential inhibition during the reach maneuver. Myopotential inhibition occurred in 47% of patients with unipolar pacemakers during reach maneuvers, with susceptibility varying from 33% to 78% depending on the manufacturer.
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