How to upgrade a leadless pacemaker to cardiac resynchronization therapy
Thibaud Lacour1, Arnaud Bisson1, Anne Bernard1
1Cardiology Department, Trousseau Hospital, University of Tours, Tours, France.
A new method efficiently upgrades patients with leadless pacemakers to cardiac resynchronization therapy. This approach improves clinical status and pacemaker longevity in pacing-induced cardiomyopathy patients.
Area of Science:
- Cardiology
- Biomedical Engineering
Background:
- Pacing-induced cardiomyopathy (PICM) is a concern in patients with pacemakers.
- Leadless pacemakers (LPMs) offer advantages but upgrading them to cardiac resynchronization therapy (CRT) presents challenges.
Observation:
- Three patients with PICM, chronic atrial fibrillation, and LPMs were studied.
- A novel technique involved implanting a conventional biventricular system synchronized with the existing LPM.
Findings:
- The upgrading technique was successfully implemented in all patients.
- No perioperative complications were observed.
- Patients showed improved clinical status and left ventricular function post-procedure.
Implications:
- This method provides an efficient CRT upgrade pathway for LPM patients.
- The technique avoids tricuspid valve crossing and enhances battery longevity.
- It offers a viable solution for managing PICM and optimizing cardiac pacing.
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