Oversensing of transthoracic excitation stimuli in contemporary pacemakers

Several Boston Scientific pacemaker models have a known issue with intermittent oversensing of the minute ventilation sensor when paired with non-Boston Scientific leads. Several of our patients with these hybrid systems have had transient out of range impedances and oversensing after safety switching which we suspected may be related. A retrospective analysis of 395 patients who had pacemakers implanted between 2015-2017 found that transient out of range impedances with safety switching was present in 9% of Boston Scientific pacemakers paired with Abbott or Medtronic leads compared with 0% in other device-lead combinations (P = 0.0089).We postulate that the root cause of the minute ventilation oversensing and transient high impedance issue is the same, a header-lead interaction from low-level incompatibility. Recognizing this issue is critical to prevent unnecessary lead revisions or extractions as it can be prevented with a simple reprogramming of lead pace/sense configuration.

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Letter by Palacios‐Rubio et al. regarding article “Oversensing of transthoracic excitation stimuli in contemporary pacemakers”

Cañadas-Godoy

Pérez‐Castellano

2018

Pacing Clinical Electrophis

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Oversensing of transthoracic excitation stimuli in contemporary pacemakers

Abstract: Oversensing with pacing inhibition is apparent with the potential of adverse effects to patients.

Cited by 3 publications

References 3 publications

Respiratory rate trending as a cause for atrial lead noise: A first report in an implantable cardioverter-defibrillator patient

Respiratory rate trending as a cause for atrial lead noise: A first report in an implantable cardioverter-defibrillator patient

High impedance alert with safety switching: An unreported hazard of hybrid pacing systems

Letter by Palacios‐Rubio et al. regarding article “Oversensing of transthoracic excitation stimuli in contemporary pacemakers”

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