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Related Experiment Videos

Cardiac lead extraction with a novel locking stylet.

C Kennergren1, R H Schaerf, T D Sellers

  • 1Sahlgrenska University Hospital, Gothenberg, Sweden.

Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing
|January 5, 2001
PubMed
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A novel lead locking device (LLD) safely and effectively facilitates the extraction of implanted cardiac pacing and defibrillator leads. This device aids in lead stabilization and sheath advancement, with high success rates and no major complications observed.

Area of Science:

  • Cardiovascular Medicine
  • Medical Devices
  • Interventional Cardiology

Background:

  • Extraction of chronically implanted cardiac pacing and defibrillator leads can be challenging due to fibrotic tissue and adhesions.
  • Specialized tools are required to stabilize leads and facilitate dissection during extraction procedures.

Purpose of the Study:

  • To evaluate the safety and efficacy of a novel lead locking device (LLD) in facilitating the extraction of chronically implanted cardiac leads.
  • To report the initial multicenter experience with the LLD in a consecutive patient series.

Main Methods:

  • A multicenter study involving 57 patients and 99 lead extractions using the LLD.
  • The LLD was inserted into the lead's inner lumen after pulse generator removal and lead severance.

Related Experiment Videos

  • Traction was applied to the LLD, and dissecting sheaths were advanced over the lead body.

    • Main Results:

    • The LLD was successfully inserted and locked in 96% (95/99) of leads.
    • Complete or partial lead removal was achieved in 98% (97/99) of leads via the implant vein.
    • No major complications were reported during the procedures.

    Conclusions:

    • The novel lead locking device (LLD) is a safe and reliable tool for cardiac lead extraction.
    • The LLD provides stable support, enabling effective advancement of dissecting sheaths and improving extraction success rates.