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[The cholesterol content in immune complexes as a marker of coronary and peripheral atherosclerosis]
Insights
Cholesterol in immune complexes is a significant marker for atherosclerosis. Elevated levels accurately diagnose coronary and peripheral artery disease, aiding in early detection.
Area of Science:
- Biochemistry
- Cardiovascular Medicine
- Immunology
Background:
- Atherosclerosis involves the buildup of plaques in arteries.
- Immune complexes play a role in inflammatory processes.
- Cholesterol accumulation is a hallmark of atherosclerotic lesions.
Purpose of the Study:
- To investigate the association between cholesterol content in immune complexes and atherosclerosis.
- To evaluate the diagnostic accuracy of measuring cholesterol in immune complexes for various forms of atherosclerosis.
Main Methods:
- Quantitative analysis of cholesterol content in immune complexes.
- Comparison of cholesterol levels between patient groups (coronary atherosclerosis, peripheral atherosclerosis, combined lesions) and healthy controls.
- Calculation of diagnostic accuracy for different atherosclerosis types.
Main Results:
- Significantly higher cholesterol levels in immune complexes were observed in patients with coronary and peripheral atherosclerosis compared to controls.
- The highest cholesterol content was found in patients with combined coronary and peripheral atherosclerosis.
- Diagnostic accuracy reached 85% for general atherosclerosis, 89% for peripheral atherosclerosis, and 83% for coronary atherosclerosis.
Conclusions:
- Cholesterol content in immune complexes serves as a reliable biomarker for diagnosing atherosclerosis.
- This method shows high diagnostic accuracy, particularly for peripheral atherosclerosis.
- Measuring cholesterol in immune complexes offers a valuable tool for assessing atherosclerotic disease burden.
Abstract:
As many as 107 patients with coronary atherosclerosis, 66 with peripheral atherosclerosis, 27 with unaltered coronary arteries and 30 healthy blood donors were examined. The content of cholesterol in immune complexes was significantly higher in patients with coronary and peripheral atherosclerosis as compared to patients with intact arteries and healthy subjects. The highest content of cholesterol in immune complexes was detected in patients with combined lesions of coronary arteries and arteries of the lower limbs. It exceeded 3.5-5.5-fold the content of cholesterol in immune complexes in the control groups. The accuracy of the diagnosis with the aid of measuring the content of cholesterol in immune complexes in atherosclerosis of any sites was equal to 85%, in peripheral atherosclerosis to 89%, which slightly exceeded the diagnosis accuracy in atherosclerosis of coronary arteries (83%).