Left ventricular assessment in myocardial infarction: the VALIANT registry

Adrian F Hernandez1, Eric J Velazquez, Scott D Solomon

  • 1Division of Cardiology, Department of Medicine, Duke University Medical Center and Duke Clinical Research Institute, Durham, NC 27715, USA.

Insights

Left ventricular assessment after myocardial infarction (MI) was often missed, even in heart failure (HF) patients. Performing this evaluation improved care quality and reduced in-hospital mortality for MI patients.

Area of Science:

  • Cardiology
  • Clinical Outcomes Research
  • Healthcare Quality Improvement

Background:

  • Echocardiography and cardiac catheterization are key for evaluating left ventricular (LV) function post-myocardial infarction (MI).
  • The frequency of LV assessment and its impact on care quality in MI patients, particularly those with heart failure (HF), remains unclear.

Purpose of the Study:

  • To determine the utilization rates of echocardiography and cardiac catheterization for LV assessment in MI patients.
  • To investigate the association between LV assessment and the quality of care provided, including discharge medications and in-hospital outcomes.

Main Methods:

  • Analysis of patients from the Valsartan in Acute Myocardial Infarction (VALIANT) registry, stratified by presence (n=1423) or absence (n=3968) of heart failure (HF).
  • Comparison of LV assessment rates and baseline characteristics between HF and non-HF groups.
  • Evaluation of the link between LV assessment and discharge medications, and in-hospital outcomes using multivariable and propensity analyses.

Main Results:

  • 22.6% of HF patients and an unspecified percentage of non-HF patients did not undergo LV assessment.
  • Patients with LV assessment received guideline-recommended medications more frequently.
  • LV assessment was significantly associated with reduced in-hospital mortality in both HF (aOR 0.45) and non-HF (aOR 0.30) groups, an association persisting after excluding early deaths.

Conclusions:

  • Left ventricular assessment is underutilized in acute myocardial infarction patients, including those with heart failure.
  • Performing LV assessment is linked to improved quality of care and better in-hospital survival rates for myocardial infarction patients.
Abstract

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