Key result
Holter-ECG monitoring and exercise testing successfully guided the stepwise reprogramming of a Micra-AV leadless pacemaker in a 57-year-old patient with pacemaker syndrome due to AV dyssynchrony.
Why the study?
Safety and long-term outcomes of the new Micra-AV leadless pacemaker, capable of guaranteeing atrioventricular synchrony, have been poorly described.
Case Report (n=1)
Holter-ECG and exercise testing are valuable for detecting Micra-AV dyssynchrony and guiding reprogramming to treat pacemaker syndrome.
AV dyssynchrony with Micra-AV may cause pacemaker syndrome; leaves open long-term synchrony reliability in leadless devices.
Leadless pacemakers have become a major breakthrough in the management of bradyarrhythmia as an attractive alternative to the standard transvenous pacemakers, but safety and long-term outcomes of the new Micra-AV, which is capable guarantee atrioventricular (AV) synchrony, have been poorly described. Hence, we describe how we managed a 57-year-old patient who developed pacemaker syndrome due to significant Micra-AV dyssynchrony. This case emphasizes how leadless pacemaker AV synchrony could be overestimated, thereby requiring a stepwise process leading to adequate device reprogramming. Holter-ECG monitoring and exercise test resulted to be valuable tools for an early detection of inadequate AV synchrony, integrating and completing device reports.
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Mitacchione et al. (2021) conducted a case report in Pacemaker syndrome due to Micra-AV dyssynchrony (n=1). Micra-AV leadless pacemaker was evaluated. Holter-ECG monitoring and exercise testing successfully guided the stepwise reprogramming of a Micra-AV leadless pacemaker in a 57-year-old patient with pacemaker syndrome due to AV dyssynchrony.
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