Electromagnetic Interference Clinical Trial
Official title:
Use of Bioelectrical Impedance Analysis in the Nutritional Assessment of Patients With CHF Equipped With Implantable Cardioverter Defibrillators
Evaluation of electromagnetic interference between Bioelectrical Impedance Analysis (BIA) and implantable cardioverter defibrillators (ICDs).
Electrograms of ICDs will be analyzed during wireless telemetry and during body composition
measurement using BIA. ICD therapy will have been temporarily inactivated before the
measurement to avoid inappropriate shocks, and the sensitivity level of the ICD will be set
to maximum. Body composition will be measured at three frequencies (5 khz, 50 khz and 100
khz).
Interference will be assessed by the presence of visible artefacts on the real-time
electrogram, with ICD marker annotations showing atrial and/or ventricular sensed episodes.
The outcome measure will be the number and proportion of patients who have electromagnetic
interferences of the ICD when BIA is done.
The procedure will take approximately 5-10minutes, with reprogramming of the device at the
end of the test. No further follow-up in the context of the study will be performed.
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Observational Model: Cohort, Time Perspective: Cross-Sectional
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