Key result
During exercise, 44% of patients with dual chamber pacemakers exhibited poor atrial sensing, accompanied by a significant mean atrial signal reduction of 11.8% (P<0.001).
Why the study?
Does exercise testing reveal poor atrial sensing in patients with dual chamber pacemakers compared to resting evaluation?
Population
57 patients aged 12 to 81 years with dual chamber pacemakers implanted 3-24 months prior for sinoatrial…
Comparison
Symptom-limited bicycle ergometry at a maximum… vs Resting state in the supine position
Design
Cross-sectional
Authors
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Exercise may reduce atrial sensing amplitude; leaves open optimal sensitivity programming for dual-chamber devices.
Observational (n=57)
Does exercise testing reveal poor atrial sensing in patients with dual chamber pacemakers compared to resting evaluation?
p-value: p=<0.001
Exercise testing frequently reveals poor atrial sensing in patients with dual chamber pacemakers that is not apparent at rest, suggesting exercise tests should be incorporated into routine device follow-up.
Fröhlig et al. (1988) conducted an observational in Patients with dual chamber pacemakers (n=57). Exercise (bicycle ergometry) vs. Rest was evaluated on Poor atrial sensing (p=<0.001). During exercise, 44% of patients with dual chamber pacemakers exhibited poor atrial sensing, accompanied by a significant mean atrial signal reduction of 11.8% (P<0.001).
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