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Correspondence
Does the purported mortality benefit of beta-blocker therapy in heart failure with a preserved ejection fraction apply to patients without prior myocardial infarction?
  1. Nilay Kumar
  1. Correspondence to Dr Nilay Kumar, Department of Medicine, University of Wisconsin Madison School of Medicine and Public Health, Madison, WI 53706, USA; nkumar39{at}wisc.edu

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To the Editor We read with interest the study by Zheng et al in which the authors conducted a meta-analysis of randomised controlled trials to evaluate the effect of different drug classes in heart failure with a preserved ejection fraction (HFpEF). Primary outcome was all-cause mortality and secondary outcome was cardiovascular mortality among other secondary outcomes. The authors found that beta-blocker therapy led to significant reductions in all-cause …

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