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Related Experiment Video

Updated: Jul 5, 2026

Chronic Implantation of Multiple Flexible Polymer Electrode Arrays
08:54

Chronic Implantation of Multiple Flexible Polymer Electrode Arrays

Published on: October 4, 2019

Prolonged Loop Recorder Retention: Safety, Diagnostic Yield, and the Case for Community-Based Explantation.

Hazeema Haq1, Lorne Gula2, Ahmed T Moustafa2

  • 1School of Medicine, University College Cork, Ireland.

The Canadian Journal of Cardiology
|July 3, 2026
PubMed
Summary

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Longer dwell times for implantable loop recorders (ILRs) do not increase complication risks. Deferred explantation and community-based removal of these cardiac monitors can significantly reduce healthcare costs.

Area of Science:

  • Cardiology
  • Medical Devices
  • Health Economics

Background:

  • Implantable loop recorders (ILRs) are crucial for long-term cardiac monitoring in conditions like arrhythmias, cryptogenic stroke, and syncope.
  • Increased ILR utilization and deferred removals, exacerbated by the COVID-19 pandemic, strain healthcare resources.
  • This study investigates the safety and cost-effectiveness of prolonged ILR dwell times.

Purpose of the Study:

  • To determine if extended dwell time of implantable loop recorders (ILRs) correlates with increased complication rates.
  • To evaluate the diagnostic yield of ILRs based on dwell time.
  • To compare the costs associated with ILR explantation in hospital versus community settings.

Main Methods:

  • Retrospective review of 772 ILR implantations from 2011-2025 at London Health Sciences Centre.
Keywords:
CIEDExplantHealthcare costsILRImplantable Loop Recorder

Related Experiment Videos

Last Updated: Jul 5, 2026

Chronic Implantation of Multiple Flexible Polymer Electrode Arrays
08:54

Chronic Implantation of Multiple Flexible Polymer Electrode Arrays

Published on: October 4, 2019

  • Data collection included patient demographics, implantation/explantation dates, diagnostic findings, complications, and institutional costs.
  • Simulated community clinic costs for explantation were modeled using local resource estimates.

    • Main Results:

    • The mean ILR dwell time was 3.4 years, with 46% of devices retained beyond 3.25 years.
    • The overall complication rate was 8.0%, with the highest incidence in the first 180 days; rates did not significantly increase beyond the recommended replacement time.
    • Symptom-rhythm correlation was achieved in 38.4% of patients, and community-based explantation could save up to 85.7% in costs.

    Conclusions:

    • Prolonged dwell time for implantable loop recorders (ILRs) does not elevate complication risks.
    • Deferred explantation and community-based removal of ILRs are supported as cost-saving strategies.
    • Prospective studies are necessary to confirm the safety and feasibility of these approaches.