Oversensing of transthoracic excitation stimuli in contemporary pacemakers

James D. Ryan, Nathan D. Tempel, Dean D. Engle, David L. Hayes, Yong-Mei Cha, Samuel J Asirvatham

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background: Transthoracic impedance measurements (TIM) is primarily used for minute ventilation rate adaptive sensors in pacemakers. With elevated impedance, the TIM electrical signal itself is oversensed, causing device malfunction. Objective: We report an increased incidence of TIM oversensing. Method: Retrospective chart review. We review existing records of 18 patients who have demonstrated device malfunction with TIM oversensing. Results: We have found a 1.8% incidence of TIM-related oversensing in our patient population of 959 patients with contemporary Boston Scientific (Marlborough, MA, USA) pacemakers and cardiac resynchronization therapy pacemakers. One patient experienced a syncopal episode. Conclusion: Oversensing with pacing inhibition is apparent with the potential of adverse effects to patients.

Original languageEnglish (US)
JournalPACE - Pacing and Clinical Electrophysiology
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Impedance Cardiography
Equipment and Supplies
Cardiac Resynchronization Therapy
Incidence
Syncope
Electric Impedance
Ventilation
Population

Keywords

  • Minute ventilation
  • MV Chop
  • Oversensing
  • Pacemaker
  • Pacemaker complication
  • Rate-adaptive pacemaker
  • Transthoracic impedance measurement

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Oversensing of transthoracic excitation stimuli in contemporary pacemakers. / Ryan, James D.; Tempel, Nathan D.; Engle, Dean D.; Hayes, David L.; Cha, Yong-Mei; Asirvatham, Samuel J.

In: PACE - Pacing and Clinical Electrophysiology, 01.01.2018.

Research output: Contribution to journalArticle

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AU - Ryan, James D.

AU - Tempel, Nathan D.

AU - Engle, Dean D.

AU - Hayes, David L.

AU - Cha, Yong-Mei

AU - Asirvatham, Samuel J

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N2 - Background: Transthoracic impedance measurements (TIM) is primarily used for minute ventilation rate adaptive sensors in pacemakers. With elevated impedance, the TIM electrical signal itself is oversensed, causing device malfunction. Objective: We report an increased incidence of TIM oversensing. Method: Retrospective chart review. We review existing records of 18 patients who have demonstrated device malfunction with TIM oversensing. Results: We have found a 1.8% incidence of TIM-related oversensing in our patient population of 959 patients with contemporary Boston Scientific (Marlborough, MA, USA) pacemakers and cardiac resynchronization therapy pacemakers. One patient experienced a syncopal episode. Conclusion: Oversensing with pacing inhibition is apparent with the potential of adverse effects to patients.

AB - Background: Transthoracic impedance measurements (TIM) is primarily used for minute ventilation rate adaptive sensors in pacemakers. With elevated impedance, the TIM electrical signal itself is oversensed, causing device malfunction. Objective: We report an increased incidence of TIM oversensing. Method: Retrospective chart review. We review existing records of 18 patients who have demonstrated device malfunction with TIM oversensing. Results: We have found a 1.8% incidence of TIM-related oversensing in our patient population of 959 patients with contemporary Boston Scientific (Marlborough, MA, USA) pacemakers and cardiac resynchronization therapy pacemakers. One patient experienced a syncopal episode. Conclusion: Oversensing with pacing inhibition is apparent with the potential of adverse effects to patients.

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KW - Rate-adaptive pacemaker

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