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Related Experiment Videos

Does device-based testing save time during automatic implantable cardioverter-defibrillator implantation?

Anoop K Gupta1, Atul Khasnis, Ranjan K Thakur

  • 1Thoracic and Cardiovascular Institute, Michigan State University and Sparrow Health System, Lansing, MI, USA. anoopgupta@msn.com

Indian Heart Journal
|May 8, 2004
PubMed
Summary

External vs. device-based defibrillation testing showed similar outcomes. Neither method significantly reduced procedure time or improved defibrillation parameters, suggesting comparable efficacy for implantable cardioverter-defibrillator implantation.

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Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Defibrillation testing for implantable cardioverter-defibrillators (ICDs) can utilize external devices or device-based testing during implantation.
  • The comparative advantages of these two testing methodologies remain insufficiently studied.

Purpose of the Study:

  • To compare the efficacy and procedural characteristics of external cardiac defibrillation versus device-based testing during ICD implantation.

Main Methods:

  • A randomized trial involving 74 patients (72% male) comparing external cardiac defibrillation and device-based testing groups.
  • Key parameters assessed included R-wave, pacing threshold, pacing impedance, defibrillation threshold, defibrillation pathway impedance, and total procedure time.

Main Results:

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  • No significant differences were observed in R-wave, pacing threshold, pacing impedance, defibrillation threshold, defibrillation pathway impedance, or total procedure time between the two groups.
  • Lead repositioning or replacement was necessary in three patients within the external cardiac defibrillation group.

    • Conclusions:

    • Device-based defibrillation testing did not significantly decrease procedure time compared to external testing.
    • Both testing methods yielded similar lead and defibrillation parameters, indicating comparable effectiveness.