Key result
A sheath-retracting active-fixation pacemaker electrode dislodged and could not be repositioned because impacted endocardial tissue prevented the screw from being re-advanced out of its housing.
Population
1 patient with a sheath-retracting active-fixation pacemaker electrode implanted in the right atrial appendage
Design
Case_report
Follow-up
shortly after implantation
Authors
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May hinder repositioning after dislodgement; leaves open whether device redesign mitigates endocardial impaction.
Case Report (n=1)
Impacted endocardium can prevent the repositioning of a sheath-retracting active-fixation pacemaker electrode by blocking the screw from re-advancing.
Salem et al. (1982) conducted a case report in Pacemaker electrode dislodgement (n=1). Sheath-retracting active-fixation pacemaker electrode was evaluated on Electrode malfunction and inability to reposition. A sheath-retracting active-fixation pacemaker electrode dislodged and could not be repositioned because impacted endocardial tissue prevented the screw from being re-advanced out of its housing.
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