Why the study?
Does exposure to high-intensity power-frequency (50 Hz) electric fields affect the function of implanted modern multiprogrammable cardiac pacemakers in paced patients?
Population
10 volunteer patients fitted with a Medtronic 5985 multiprogrammable (Spectrax) unipolar cardiac pacemaker.
Comparison
Exposure to power-frequency electric fields up… vs Pre-exposure and post-exposure pacemaker function.
Design
Case_series
Follow-up
average exposure time of 20 minutes
Authors
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Supports no pacemaker interference in this case; leaves open confirmation in larger real-world cohorts.
Does exposure to high-intensity power-frequency (50 Hz) electric fields affect the function of implanted modern multiprogrammable cardiac pacemakers in paced patients?
Modern multiprogrammable pacemakers are not adversely affected by high-intensity 50 Hz electric fields up to 20 kV/m, such as those encountered under high-tension power lines.
Butrous et al. (1982) studied this question.
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