Related Experiment Videos
Correlation of cineangiographic and pathology findings in coronary artery disease
Insights
Coronary artery lumen reduction measurements by cineangiography and pathology correlate well for severe stenosis (>70%). Milder lesions show discrepancies due to measurement method differences.
Area of Science:
- Cardiovascular Medicine
- Medical Imaging
- Pathology
Background:
- Accurate assessment of coronary artery stenosis is crucial for diagnosing and managing coronary heart disease.
- Cineangiography and post-mortem pathology are two methods used to quantify coronary lumen reduction.
Purpose of the Study:
- To correlate the percentage of coronary lumen reduction measured by cineangiography with pathological findings.
- To identify discrepancies in stenosis measurement between the two methods.
Main Methods:
- Review of coronary arteries from 12 patients who died of coronary heart disease.
- Analysis of 36 arterial segments, divided into groups based on correlation quality.
- Comparison of lumen reduction percentages obtained from cineangiography and histopathology.
Main Results:
- A good correlation (r = 0.90) was observed in 24 segments (Group I) with less than 15% difference between methods.
- A poor correlation was found in 12 segments (Group II).
- No significant differences were noted for stenoses greater than 70%; milder lesions showed higher discrepancy rates.
Conclusions:
- Cineangiography and pathology provide comparable measurements for severe coronary stenoses (>70%).
- Milder stenoses (<70%) exhibit significant discrepancies, with pathology tending to overestimate and angiography to underestimate the severity.
- Factors like vessel collapse and tissue shrinkage contribute to measurement variability in milder lesions.
Abstract:
In order to correlate the percent of coronary lumen reduction measured by cineangiography and by pathology, we reviewed the coronary trees of 12 patients who died of coronary heart disease. The 36 arterial segments were divided in two groups: group I showing a good correlation in its 24 segments (less than 15% difference between both methods, r = 0.90), and group II (12 segments) with a poor correlation. No significant differences were found every time there was a greater than 70% stenosis. Milder lesions have a higher rate of discrepancies, due to pathology overestimation because of collapse of the vessel and tissue shrinkage, and to the angiographic underestimation that appears when comparing the stenotic segment with a remaining presumably normal artery.