To understand the effect of beta blockers on the prognosis of patients with acute myocardial infarction with preserved ejection fraction.
The use of beta blockers is an important component of drug therapy for myocardial infarction, but in some exceptional cases, evidence-based evidence for their use is insufficient, and we seek to understand the prognostic impact of beta blockers on patients enrolled in long-term follow-up.
Study Type
OBSERVATIONAL
Enrollment
3,000
Duration of medication
The First Affiliated Hospital of Chongqing Medical University
Chongqing, Chongqing Municipality, China
RECRUITINGDeath
all-cause mortality
Time frame: The median time of 3 years
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