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Plasma adiponectin levels are associated with coronary lesion complexity in men with coronary artery disease
Fumiyuki Otsuka1, Seigo Sugiyama, Sunao Kojima
1Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto City, Japan.
Insights
Low plasma adiponectin levels are linked to complex coronary lesions in men with coronary artery disease (CAD). This suggests adiponectin may play a role in coronary plaque vulnerability.
Area of Science:
- Cardiology
- Metabolic Disorders
- Biomarkers
Background:
- Metabolic disorders like diabetes increase cardiovascular event risk.
- Adiponectin, a key metabolic molecule, has anti-atherogenic properties.
- Low adiponectin is linked to coronary artery disease (CAD) and myocardial infarction, but its role in plaque vulnerability is unclear.
Purpose of the Study:
- To determine if plasma adiponectin levels correlate with the complexity of coronary lesions in patients with CAD.
- To investigate the association between adiponectin and coronary plaque vulnerability.
Main Methods:
- Plasma adiponectin levels were measured in 207 men with stable CAD or acute coronary syndromes (ACS).
- Coronary lesions were angiographically classified as simple or complex.
- Statistical analyses included logistic regression to assess independent associations.
Main Results:
- Stable CAD patients with complex lesions had significantly lower adiponectin levels than those with simple lesions.
- Adiponectin levels were independently associated with coronary lesion complexity.
- In ACS patients, lower adiponectin levels were observed in those with multiple complex lesions compared to single complex lesions.
Conclusions:
- Plasma adiponectin levels are significantly associated with coronary lesion complexity in men with CAD.
- Lower adiponectin levels may indicate increased coronary plaque vulnerability.
Objectives:
We sought to assess whether plasma adiponectin levels correlate with angiographic coronary lesion complexity in patients with coronary artery disease (CAD).
Background:
Metabolic disorders, including diabetes mellitus and metabolic syndrome, are important risk factors for acute cardiovascular events, and adiponectin is a key molecule of metabolic disorders, with anti-atherogenic properties. Low plasma adiponectin levels are associated with CAD and future incidence of myocardial infarction. The involvement of adiponectin in coronary plaque vulnerability, which may be reflected by angiographic complex lesions, remains to be elucidated.
Methods:
We measured plasma adiponectin levels in 207 men (152 with stable CAD and 55 with acute coronary syndromes [ACS]). Coronary lesions were classified as of simple or complex appearance.
Results:
Plasma adiponectin levels were significantly lower in stable CAD patients with complex coronary lesions (n = 60) than in those with simple lesions (n = 92) (4.14 [range 2.95 to 6.02] vs. 5.27 [range 3.67 to 8.12] microg/ml, p = 0.006). Multiple logistic regression analysis demonstrated that adiponectin level was independently associated with complex lesions (odds ratio 0.514, 95% confidence interval 0.278 to 0.951; p = 0.034). Polytomous logistic regression revealed that adiponectin correlated independently with both single and multiple complex lesions. Among patients with ACS, who had lower adiponectin levels than stable CAD patients, those with multiple complex lesions had significantly lower adiponectin than those with a single complex lesion (3.26 [range 2.26 to 4.46] vs. 4.21 [range 3.36 to 5.41] microg/ml, p = 0.032).
Conclusions:
Plasma adiponectin levels are significantly associated with coronary lesion complexity in men with CAD. Low adiponectin levels may contribute to coronary plaque vulnerability.
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