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Leadless Micra Pacemaker Use in the Pediatric Population: Device Implantation and Short-Term Outcomes
C R Breatnach1, L Dunne2, K Al-Alawi2
1Department of Paediatric Cardiology, Our Lady's Children's Hospital, Crumlin, Dublin 12, Ireland. colm.breatnach@gmail.com.
Pediatric Cardiology
|December 21, 2019
Summary
Leadless cardiac pacemakers are feasible for pediatric patients, offering a lead-free alternative. Further research is needed to confirm long-term efficacy and safety in this population.
Area of Science:
- Pediatric Cardiology
- Medical Devices
- Electrophysiology
Background:
- Leadless cardiac pacemakers (LCPs) offer an alternative to traditional pacemakers, avoiding lead-related complications.
- While LCPs are widely used in adults, data on their use in pediatric patients are limited.
Purpose of the Study:
- To evaluate the feasibility and outcomes of LCP implantation in a pediatric population.
- To assess procedural success and early complications associated with LCPs in children.
Main Methods:
- Retrospective study of pediatric patients undergoing LCP insertion.
- Data collection included demographics, procedural details, and patient outcomes.
- Analysis of implantation thresholds and complication rates.
Main Results:
- Nine pediatric patients (median age 13 years, weight 37 kg) were enrolled.
- Successful LCP insertion was achieved in all patients with low implantation thresholds.
- No immediate complications occurred; one device required replacement after one year due to increased thresholds.
Conclusions:
- Leadless pacemaker implantation is a feasible option for pediatric patients.
- Long-term data on device longevity and complication rates in pediatric populations are necessary.

