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Published on: February 3, 2021
[Early diagnosis of the functional relevance of coronary heart disease]
1Klinik III für Innere Medizin, Universität zu Köln. frank.baer@uni-koeln.de
Insights
Noninvasive diagnostics confirm the need for cardiac catheterization in coronary heart disease (CHD). Advanced imaging like CT and MRI offer detailed coronary and vascular assessments for better patient management.
Area of Science:
- Cardiology
- Medical Imaging
- Diagnostic Procedures
Context:
- Stable or asymptomatic coronary heart disease (CHD) with atypical symptoms requires careful diagnostic evaluation.
- Noninvasive methods are crucial for confirming ischemia before invasive procedures like cardiac catheterization.
- Established techniques include stress tests, myocardial scintigraphy, and stress echocardiography.
Purpose:
- To review the role of noninvasive diagnostics in evaluating coronary heart disease (CHD).
- To highlight advancements in imaging modalities for assessing coronary arteries and myocardial ischemia.
- To discuss the potential of computed tomography (CT) and magnetic resonance imaging (MRI) in cardiovascular diagnostics.
Summary:
- Noninvasive diagnostics, including stress tests and imaging, are essential for confirming ischemia in coronary heart disease (CHD) before cardiac catheterization.
- Myocardial scintigraphy, stress echocardiography, and increasingly stress MRI are established methods for ischemia detection.
- Advances in CT coronary angiography and MRI enable detailed visualization of coronary vessels and vascular wall morphology, including plaque characterization.
Impact:
- Improved diagnostic accuracy for coronary heart disease (CHD).
- Potential for CT and MRI to become comprehensive cardiovascular assessment tools.
- Guiding clinical decisions for patients with suspected or known coronary artery disease.
Abstract:
In cases of stable or to a large extent symptom-free coronary heart disease (CHD) and atypical symptomatology, the indication for diagnostic cardiac catheterization is first confirmed by noninvasive diagnostics of ischemia. This can be carried out either with ergometric stress tests or imaging procedures in combination with ergometric or pharmacological stress. Myocardial scintigraphy and stress echocardiography are established techniques and to an increasing extent stress magnetic resonance imaging (MRI). In addition to sensitivity in providing evidence for ischemia, technical improvements in computed tomography (CT) and MRI have opened up new possibilities for visualizing coronary vessels and vascular wall morphology. While CT coronary angiography with its high spatial resolution is on the threshold of clinical application for selected patients, MRI has the potential for furnishing information on wall movement analysis, perfusion, coronary flow measurement, and plaque characterization to become the future cardiovascular "all-round examination".
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