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[Imaging in atherosclerosis: coronary arteriography]
G Russo1, V Calvi, C Tamburino
1Istituto di Cardiologia, Università degli Studi, Catania.
Cardiologia (Rome, Italy)
|December 1, 1993
Summary
Coronary arteriography is the premier imaging method for coronary atherosclerosis, despite limitations in assessing plaque burden and stenosis severity. Quantitative techniques and morphology analysis improve lesion characterization and guide revascularization decisions.
Area of Science:
- Cardiovascular Imaging
- Interventional Cardiology
- Medical Diagnostics
Background:
- Coronary arteriography is the gold standard for evaluating coronary atherosclerosis.
- Limitations include underestimation of lesion severity and poor correlation with coronary flow reserve.
- The technique visualizes lumen "silhouette" but not artery wall plaque or reference vessel disease.
Purpose of the Study:
- To highlight the strengths and limitations of coronary arteriography in assessing coronary atherosclerosis.
- To discuss advancements in quantitative coronary arteriography and morphology analysis.
- To emphasize its continued importance in guiding revascularization strategies.
Main Methods:
- Review of pathologic and physiologic studies on arteriography limitations.
- Discussion of advancements in quantitative coronary arteriography (QCA).
- Emphasis on morphological analysis for lesion characterization.
Main Results:
- Arteriography provides lumen "silhouette" but not artery wall plaque information.
- Reference vessel disease can confound stenosis measurements.
- Quantitative methods reduce inter- and intra-observer variability.
- Morphology analysis enhances lesion characterization.
Conclusions:
- Coronary arteriography remains indispensable for selecting revascularization procedures like bypass graft and angioplasty.
- Quantitative analysis and morphology assessment improve diagnostic accuracy.
- Despite limitations, it provides crucial data for interventional cardiology.