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Coronary angiographic and morphologic correlation
Cardiology Clinics
|November 1, 1984
Insights
Necropsy and physiologic studies reveal coronary angiography
Area of Science:
- Cardiovascular pathology and diagnostics
Background:
- Coronary angiography has limitations in accurately assessing atherosclerotic plaque burden.
- Coronary arterial spasm frequently co-occurs with fixed atherosclerotic lesions.
Purpose of the Study:
- To highlight the limitations of coronary angiography.
- To clarify findings related to coronary artery disease pathology and interventions.
Main Methods:
- Utilized necropsy (autopsy) studies to examine coronary arteries.
- Incorporated recent physiologic studies for comparison.
Main Results:
- Necropsy studies confirmed limitations of angiography in quantifying luminal narrowing.
- Autopsies showed coronary arterial spasm is associated with atherosclerotic stenoses.
- Individual patient necropsies provided insights into thrombolytic therapy, collateral flow, myocardial bridges, and arterial dissection.
Conclusions:
- Coronary angiography underestimates luminal narrowing from atherosclerosis.
- Findings from necropsy studies enhance understanding of coronary artery disease complexities.
Abstract:
Necropsy and, more recently, physiologic studies have demonstrated the limitations of coronary angiography in estimating the percentage of luminal narrowing due to atherosclerotic plaque. Necropsy studies have also confirmed that coronary arterial spasm is typically associated with fixed atherosclerotic stenoses. Finally, necropsy studies of individual patients have clarified certain points regarding thrombolytic therapy, coronary "collateral" blood flow, myocardial bridges, and coronary arterial dissection.