Effect of personalized accelerated pacing on quality of life, physical activity, and atrial fibrillation in patients with preclinical and overt heart failure with preserved …
Importance Patients with heart failure with preserved ejection fraction (HFpEF) with a
pacemaker may benefit from a higher, more physiologic backup heart rate than the nominal
60 beats per minute (bpm) setting. Objective To assess the effects of a moderately
accelerated personalized backup heart rate compared with 60 bpm (usual care) in patients
with preexisting pacemaker systems that limit pacemaker-mediated dyssynchrony. Design,
Setting, and Participants This blinded randomized clinical trial enrolled patients with stage B …
pacemaker may benefit from a higher, more physiologic backup heart rate than the nominal
60 beats per minute (bpm) setting. Objective To assess the effects of a moderately
accelerated personalized backup heart rate compared with 60 bpm (usual care) in patients
with preexisting pacemaker systems that limit pacemaker-mediated dyssynchrony. Design,
Setting, and Participants This blinded randomized clinical trial enrolled patients with stage B …
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