Office-Visit Heart Rate and Long-Term Cardiovascular Events in Patients with Acute Myocardial Infarction
Jaeho Byeon1, Eun Ho Choo2, Ik Jun Choi1
1Division of Cardiology, Department of Internal Medicine, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.
Journal of Clinical Medicine
|June 10, 2023
Summary
Elevated average heart rate after hospital discharge for acute myocardial infarction (AMI) patients predicts worse cardiovascular outcomes. Monitoring post-discharge heart rate is crucial for identifying high-risk individuals.
Area of Science:
- Cardiology
- Clinical Research
- Public Health
Background:
- Elevated heart rate on admission or discharge is linked to poor outcomes in acute myocardial infarction (AMI) patients.
- The prognostic value of post-discharge average office-visit heart rate in AMI patients remains understudied.
Purpose of the Study:
- To investigate the association between average post-discharge office-visit heart rate and long-term cardiovascular outcomes in AMI patients.
- To determine if heart rate monitoring after discharge can predict major adverse cardiovascular events (MACE).
Main Methods:
- Analysis of data from 7840 AMI patients in the COREA-AMI registry.
- Average office-visit heart rates were calculated from at least three post-discharge measurements and categorized by quartiles.
- Primary endpoint was a composite of cardiovascular death, myocardial infarction, and ischemic stroke over a median follow-up of 5.7 years.
Main Results:
- An average heart rate >80 bpm was associated with increased MACE incidence compared to 68-74 bpm.
- A heart rate <74 bpm did not show a protective association with MACE in patients with LV systolic dysfunction, unlike in those without.
- Elevated average post-discharge heart rate correlated with higher cardiovascular event risk.
Conclusions:
- Average heart rate measured during office visits after AMI serves as a significant predictor of future cardiovascular events.
- Regular heart rate monitoring post-discharge is essential for risk stratification in AMI survivors.
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