β-Blockers After Myocardial Infarction in Patients With Preserved Ejection Fraction

This meta-analysis of 4 randomized clinical trials assesses whether β-blockers are associated with improved cardiovascular outcomes after myocardial infarction in patients with preserved left ventricular ejection fraction.

Corresponding Authors: Qing Yang, MD, PhD (cardio-yq@tmu.edu.cn), and Xin Zhou, MD, PhD (xinzhou@tmu.edu.cn), Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Rd, Heping District, Tianjin 300052, China.

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