Why the study?
Does noninvasive measurement of cardiac pacing threshold detect changes in stimulation threshold over long-term follow-up in patients with an Elema Vario pacemaker?
Population
17 patients after implantation of an Elema Vario pacemaker with an endocardial electrode
Design
Case_series
Follow-up
12 to 40 months
Authors
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May support noninvasive threshold monitoring in legacy devices; hypothesis-generating for late exit block prediction and needs prospective validation.
Does noninvasive measurement of cardiac pacing threshold detect changes in stimulation threshold over long-term follow-up in patients with an Elema Vario pacemaker?
Long-term noninvasive measurement of pacing thresholds reveals a significant fall in stimulation threshold at 12 months, which is relevant for predicting late exit block.
I.D. Starke (1978) studied this question.
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