Why the study?
Does the implantation strategy of the atrial dipole impact atrial sensing performance in patients with single lead VDD pacemakers?
Population
194 patients with high degree AV block who received a VDD pacemaker system with an identical sensing amplifier
Comparison
Atrial dipole placement strategy vs Comparison between different atrial dipole…
Design
Cohort
Follow-up
2 years
Authors
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Low right atrial dipole placement associated with undersensing in VDD pacemakers; leaves open optimal positioning strategies pending prospective validation.
Does the implantation strategy of the atrial dipole impact atrial sensing performance in patients with single lead VDD pacemakers?
Atrial dipole placement in the low right atrium, older age, and specific intraoperative potential amplitudes independently predict atrial undersensing in single lead VDD pacemakers.
Wiegand et al. (2002) studied this question.
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