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Updated: Aug 14, 2026
Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
Cardiac imaging to identify patients at risk for developing heart failure after myocardial infarction
Clerio F Azevedo1, Susan Cheng, João A C Lima
1Division of Cardiology, Blalock 524, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Baltimore, MD 21287, USA.
Insights
Early identification of patients at risk for heart failure (HF) after myocardial infarction (MI) is crucial. Cardiovascular MRI provides comprehensive assessment of left ventricular remodeling and function, aiding in risk stratification for HF development post-MI.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Heart failure (HF) development post-myocardial infarction (MI) significantly increases morbidity and mortality.
- Early identification of at-risk individuals is critical for timely intervention and improved outcomes.
Purpose of the Study:
- To highlight the role of noninvasive cardiac imaging in assessing key pathophysiological processes leading to HF post-MI.
- To establish Cardiovascular Magnetic Resonance (CMR) imaging as the preferred modality for evaluating left ventricular (LV) remodeling and functional recovery.
Main Methods:
- Utilizing Cardiovascular MRI to assess LV volumes, mass, infarct size, microvascular obstruction, and scar transmurality.
- Longitudinal follow-up using CMR for reproducible assessment of LV changes post-MI.
Main Results:
- CMR enables comprehensive evaluation of LV remodeling and functional recovery post-MI.
- CMR provides valuable parameters including infarct size and scar extent for risk stratification.
Conclusions:
- Cardiovascular MRI is the preferred noninvasive imaging modality for evaluating patients at risk of HF post-MI.
- CMR data assists in identifying individuals who may benefit from early therapeutic interventions to prevent or manage HF.
Abstract:
The development of heart failure (HF) after acute myocardial infarction (MI) is recognized as a major complication that leads to a significant increase in morbidity and mortality. Given the availability of effective treatments for improving both quality of life and survival for patients at increased risk for developing HF after MI, early identification of these individuals is critical. Noninvasive cardiac imaging offers a detailed characterization of two important pathophysiological processes related to the development of HF post-MI: left ventricular (LV) remodeling and LV functional recovery. Cardiovascular MRI has recently emerged as the preferred noninvasive imaging modality because of its ability to provide the most comprehensive and informative evaluation of these processes. In addition to allowing for an accurate and reproducible longitudinal follow-up of LV volumes and mass, MRI also offers information on infarct size, the presence of microvascular obstruction, and the transmural extent of infarct scar, all of which are valuable parameters that can assist in identifying patients at risk for developing HF after MI.
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