Key result
Micra leadless pacemaker implantation linked to fatal VF arrest 5 hours post-procedure.
Why the study?
Leadless pacemaker implantation is generally safe but may be associated with rare complications including ventricular arrhythmias such as ventricular fibrillation.
Case Report (n=1)
No
Highlights a rare but severe complication (ventricular fibrillation arrest) associated with leadless pacemaker implantation.
VF arrest may complicate Micra implantation; this case leaves open its incidence and need for prospective surveillance.
Leadless cardiac pacemakers such as the Micra™ transcatheter leadless pacing system (Medtronic, Minneapolis, MN, USA) are an alternative to traditional transvenous pacemakers. Implantation of leadless pacemakers, albeit safe, may be associated with complications, including cardiac tamponade; high capture thresholds; and, rarely, ventricular arrhythmias. We report a case of ventricular fibrillation arrest following the implantation of a Micra™ leadless pacemaker.
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Ahmad et al. (2021) conducted a case report in Complete heart block (n=1). Micra leadless pacemaker was evaluated on Ventricular fibrillation cardiac arrest. Implantation of a Micra leadless pacemaker was temporally associated with a fatal ventricular fibrillation cardiac arrest five hours post-procedure in a 62-year-old woman.