Why the study?
Does atrial pacing compared to atrial sensing improve acute hemodynamics in patients undergoing cardiac resynchronization therapy?
Population
26 patients undergoing cardiac resynchronization therapy (CRT)
Comparison
Atrial pacing during biventricular pacing at 5… vs Atrial sensing during biventricular pacing at 5…
Design
RCT, Tested in randomized order
Follow-up
Acute (at implant and postimplant)
Authors
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AP during CRT boosts acute LV dP/dt yet reduces filling and stroke volume; extends acute hemodynamic data while leaving clinical outcomes open.
Does atrial pacing compared to atrial sensing improve acute hemodynamics in patients undergoing cardiac resynchronization therapy?
Atrial pacing during CRT acutely increases LV dP/dt but requires longer AV delays and modestly reduces LV filling and stroke volume compared to atrial sensing.
Gold et al. (2009) studied this question.
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