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Elevated C-reactive protein levels are associated with endothelial dysfunction in chronic cocaine users
Qingyi Meng1, Joao A Lima, Hong Lai
1Department of Internal Medicine, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA.
International Journal of Cardiology
|April 26, 2003
Summary
Elevated serum C-reactive protein (CRP) in chronic cocaine users is linked to poorer endothelial function, increased coronary artery calcification, and cardiac diastolic dysfunction. This highlights CRP as a key indicator of cardiovascular risk in this population.
Area of Science:
- Cardiovascular Medicine
- Clinical Chemistry
- Toxicology
Background:
- Chronic cocaine use is associated with significant cardiovascular risks.
- Serum C-reactive protein (CRP) is a marker of inflammation.
- Endothelial dysfunction plays a crucial role in cardiovascular disease development.
Purpose of the Study:
- To investigate the relationship between serum C-reactive protein (CRP) and endothelial function.
- To assess the association of CRP with coronary artery calcification, lipid profiles, and cardiac changes in chronic cocaine users.
Main Methods:
- Serum lipids and CRP levels were analyzed.
- Echocardiography and spiral computed tomography scans were performed.
- Endothelial function was assessed using brachial artery reactivity testing in 53 chronic cocaine users.
Main Results:
- Elevated CRP levels were significantly associated with impaired endothelial function (brachial artery diameter changes).
- The CRP abnormal group showed higher rates of coronary artery calcification.
- Cardiac diastolic dysfunction was more prevalent in individuals with elevated CRP levels.
Conclusions:
- Elevated serum CRP is a significant predictor of endothelial dysfunction in chronic cocaine users.
- High CRP levels correlate with increased coronary artery calcification and cardiac diastolic dysfunction.
- CRP serves as a valuable biomarker for cardiovascular complications in this patient group.