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A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
16:40

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation

Published on: February 28, 2012

Recurrent implantable cardioverter-defibrillator replacement is associated with an increasing risk of pocket-related

C Jan Willem Borleffs1, Joep Thijssen, Mihály K de Bie

  • 1Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.

Pacing and Clinical Electrophysiology : PACE
|May 12, 2010
PubMed

Insights

Implantable cardioverter-defibrillator (ICD) replacement doubles the risk of pocket-related surgical re-interventions. This risk escalates with each subsequent device replacement, highlighting a growing concern for patient safety over time.

Area of Science:

  • Cardiology
  • Medical Devices
  • Surgical Outcomes

Background:

  • Implantable cardioverter-defibrillator (ICD) therapy is crucial for managing cardiac conditions.
  • Limited device service life necessitates frequent ICD replacements.
  • Data on pocket-related adverse events following ICD replacement is limited.

Purpose of the Study:

  • To evaluate the incidence of pocket-related surgical re-interventions after ICD implantation and replacement.
  • To assess the impact of device replacement on the risk of these complications.

Main Methods:

  • Analysis of 2,415 patients who received an ICD between 1992 and 2008.
  • Inclusion of 3,161 ICDs in the study cohort.
  • Focus on pocket-related complications requiring surgical re-intervention, excluding elective replacements, lead failure, or device malfunction.

Main Results:

  • A total of 145 surgical re-interventions were required in 114 (4.7%) unique patients.
  • Replacement ICDs showed a doubled risk (rate ratio 2.2) of surgical re-intervention compared to initial implants.
  • The risk of re-intervention increased with each successive replacement, from 1.5% for the first to 8.1% for the fourth implanted ICD.

Conclusions:

  • ICD replacement significantly increases the risk of pocket-related surgical re-interventions.
  • The cumulative risk of re-intervention escalates with each subsequent device replacement.
  • These findings underscore the importance of monitoring and managing complications associated with repeated ICD procedures.
Abstract

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