Key result
The integrated sensor mode provided a faster speed of rate response with shorter delay times compared to the minute ventilation sensor alone during hall walk (P<0.05).
Why the study?
Does an integrated sensor mode (minute ventilation and activity) improve rate response profiles compared to individual sensors in patients with dual sensor DDDR pacemakers?
Population
9 patients with a dual sensor DDDR pacemaker (DX2 Model 7970)
Comparison
Integrated sensor mode with automatic rate… vs Projected rate response of activity and minute…
Design
Cohort
Follow-up
1 month (sensor optimization period prior to testing)
Authors
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May support integrated sensors for faster rate response in DDDR pacemakers; hypothesis-generating and requires randomized outcome trials before practice change.
Does an integrated sensor mode (minute ventilation and activity) improve rate response profiles compared to individual sensors in patients with dual sensor DDDR pacemakers?
p-value: p=< 0.05
An integrated minute ventilation and activity sensor with automatic rate profile optimization improves rate response profiles during submaximal exercise and daily activities while minimizing false triggering.
LEUNG et al. (1996) studied Pacemaker indication (n=9). Integrated sensor mode (minute ventilation and activity) vs. Minute ventilation (MV) and activity (ACT) sensors alone was evaluated on Speed of rate response (delay time, time to 50% and 90% rate response) during hall walk (p=< 0.05). The integrated sensor mode provided a faster speed of rate response with shorter delay times compared to the minute ventilation sensor alone during hall walk (P<0.05).
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