Why the study?
Does a combination pacing mode of DDD and VVIR maintain cardiopulmonary function compared to DDD or VVIR alone during exercise in patients with complete heart block and reduced LVEF?
Population
9 patients with complete heart block, sinus rhythm, DDD pacemakers, and a reduced mean left ventricular…
Comparison
Combination pacing mode of DDD at low heart… vs DDD pacing alone and VVIR pacing alone during…
Design
Other
Authors
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Hybrid DDD-VVIR pacing yields equivalent exercise responses to DDD or VVIR alone; leaves open its value as a battery-sparing option in reduced LVEF.
Does a combination pacing mode of DDD and VVIR maintain cardiopulmonary function compared to DDD or VVIR alone during exercise in patients with complete heart block and reduced LVEF?
A combination pacing mode of DDD at low heart rates and VVIR at high heart rates provides similar cardiopulmonary function during exercise compared to DDD or VVIR alone, offering a potential battery-saving alternative.
French et al. (1988) studied this question.
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