Why the study?
Does right atrial dimension impact atrial sensing stability in patients receiving single-lead VDD pacing?
Population
41 patients (23 males, mean age 73 +/- 11 years) with II or III degree AV block and normal sinus node function
Design
Cohort
Follow-up
12 months
Authors
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Larger RAD was associated with greater atrial sensing variability in single-lead VDD pacing; hypothesis-generating for sensitivity adjustments, needing prospective validation.
Does right atrial dimension impact atrial sensing stability in patients receiving single-lead VDD pacing?
In single-lead VDD pacing, larger right atrial dimensions and shorter right atrium roof to right ventricular apex distances are associated with greater atrial sensing variability, suggesting atrial sensitivity should be programmed to the highest value.
Massimo Santini (2001) studied this question.
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