Key result
A modified pacing impulse decreased the polarization to evoked response ratio, fulfilling requirements to activate the Autocapture function in 94% of patients vs 71% with the standard impulse.
Why the study?
Does a modified pacing impulse reduce polarization and improve the ability to activate the Autocapture function compared to standard pacing impulses in patients with pacemakers?
Population
45 patients with pacemakers using bipolar leads
Comparison
Modified pacing impulse of a custom designed… vs Default stimuli of a standard Regency pacemaker
Design
RCT, at random
Follow-up
acute
Authors
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Modified impulses enable Autocapture in most patients; extends automatic threshold tracking across lead types in an RCT.
RCT (n=45)
Randomized
Does a modified pacing impulse reduce polarization and improve the ability to activate the Autocapture function compared to standard pacing impulses in patients with pacemakers?
Absolute Event Rate: 94% vs 71%
Modification of the pacemaker impulse decreases the polarization to evoked response ratio, thereby improving the conditions for successful activation of the Autocapture function across different lead types.
Provenier et al. (2000) conducted an RCT in Pacemaker implantation (n=45). Modified pacing impulse vs. Default pacing impulse was evaluated on Fulfillment of requirements to activate the Autocapture function. A modified pacing impulse decreased the polarization to evoked response ratio, fulfilling requirements to activate the Autocapture function in 94% of patients vs 71% with the standard impulse.
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