Cardiovascular magnetic resonance imaging in the evaluation of ischemic disease and its correlation with coronary angiography

Abstract

Introduction: Myocardial ischemia stands as the leading cause of cardiovascular mortality and morbidity in Western societies. This phenomenon is linked to atherosclerotic disease of the epicardial arteries. Cardiac Magnetic Resonance Imaging (CMR) emerges as a fundamental tool
in the detection of ischemia and, in addition, is positioned as the reference method to quantify the dimensions and function of the LV and RV. Coronary angiography is one of the most effective methods for diagnosing coronary atherosclerosis. Angiographic lesions with more than 70% stenosis are considered to be severe. Objective: This study seeks to correlate the results of CMR with coronary angiography, evaluating the presence and severity of ischemic disease. Materials and methods: It included 74 individuals over the age of 35. Participants underwent
cardiac MRI and coronary angiography in less than 180 days, ensuring that both studies reflected the same stage of disease. Results: The correlation was complete in 73% (54) of the patients in the study population, 12.1% (9) was partially correlated, and in 14.8% (11) of the patients there was no correlation between the studies. A positive balance of 85% is considered, adding the total and partial correlation. The interval estimate projected a range of 61.19% to 82.34% for the case of total cross-study correspondence. Conclusion: Throughout this research, the value of Cardiac Magnetic Resonance Imaging in the understanding of ischemic disease has been confirmed, highlighting its fundamental role in clinical decision making.