Key result
Atrial leadless pacemaker linked to sub-acute pacing threshold re-elevations that normalize within 1 month.
Why the study?
Elevated acute pacing thresholds with atrial leadless pacemakers typically normalize within 24 hours, but subacute re-elevation after hospital discharge had not been well documented.
Population
An 80-year-old female with bradycardia
Design
Case report
Follow-up
3 months
Authors
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May support expectant management of transient threshold rises; this case leaves open predictors of atrial leadless pacemaker stability.
Case Report (n=1)
Sub-acute re-elevation of atrial leadless pacemaker pacing thresholds may persist for over a week but can normalize within a month, suggesting conservative management may be considered.
Wu et al. (2026) conducted a case report in bradycardia (n=1). Atrial leadless pacemaker (A-LP) implantation was evaluated. Atrial leadless pacemaker implantation in an 80-year-old female resulted in sub-acute re-elevated pacing thresholds (>6 V/1.5 ms) that normalized to 0.5 V/0.4 ms within 1 month.
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