Among patients diagnosed with acute myocardial infarction (MI) without a history of heart failure (HF), nearly one in five patients developed HF within five years after discharge, according to a study published May 27 in The American Journal of Cardiology.

Kamil F. Faridi, MD, MSc, et al., used ACC's CathPCI Registry and Chest Pain – MI Registry to evaluate 337,274 patients hospitalized with acute MI without a history of HF from April 2010 to March 2017. The researchers also pulled data on practitioner claims, outpatient pharmacy claims and institutional claims on hospital discharges. Using these resources, they determined the independent predictors and cumulative incidence of HF after discharge for acute MI patients and established a risk score to predict HF development after MI.

The results showed that 8% of the patients in the study developed HF within one year of discharge. After five years, 18.8% of the acute MI patients without HF history developed HF. Advanced chronic kidney disease, recurrent MI, African American race and diabetes were identified as predictors of HF post-MI.

"A risk score that includes [eight] readily available patient characteristics at time of MI discharge was able to predict patients at risk of developing incident HF following MI," the authors conclude. "Given the importance of reducing HF-associated morbidity and mortality, our study may help clinicians identify and optimize care for MI patients at risk of future HF."

Clinical Topics: Cardiovascular Care Team, Heart Failure and Cardiomyopathies, Acute Heart Failure

Keywords: Patient Discharge, African Americans, Myocardial Infarction, Heart Failure, Diabetes Mellitus, Registries, Chest Pain, Cardiology, Renal Insufficiency, Chronic, Hospitals, Pharmacy, National Cardiovascular Data Registries, CathPCI Registry, Chest Pain MI Registry

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