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Year : 2019  |  Volume : 31  |  Issue : 3  |  Page : 360-367

Serum salusin-β levels as predictors of coronary artery disease in obese Egyptian women

1 Department of Internal Medicine, Faculty of Medicine, Zagazig University, Zagazig, Egypt
2 Department of Physiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
3 Department of Cardiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Correspondence Address:
Nearmeen M Rashad
Department of Internal Medicine, Faculty of Medicine, Zagazig University, 44519
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ejim.ejim_123_18

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Background Obesity is a growing health concern that has become an epidemic all over the world. Obesity is associated with coronary artery disease (CAD). Salusin-β is an endogenous bioactive peptide that accelerates inflammatory responses in vascular endothelial cells and increases oxidative stress. The objective of this study was to explore the potential roles of salusin-β in endothelial dysfunction in CAD. Also, we aimed to evaluate the association between salusin-β with severity of CAD in obese Egyptian women. Patients and methods This cross-sectional study enrolled 95 obese women who were classified into two groups: 58 patients without CAD and 37 patients without CAD. All patients were investigated using a 12-lead standard ECG, echocardiography, and coronary arteriography. Salusin-β levels were measured by enzyme-linked immunosorbent assay. Results Salusin-β levels were significantly higher in obese patients with CAD compared with patients without CAD. Salusin-β levels were positively correlated with cardiometabolic risks and severity of coronary occlusion. Serum salusin-β levels, high-sensitivity C-reactive protein, and BMI were independently correlated with CAD and BMI. Homeostatic model assessment of insulin resistance, high-sensitivity C-reactive protein, and uric acid were the main associated variables of serum salusin-β levels among other clinical and laboratory biomarkers. The diagnostic power of serum salusin-β levels in differentiating CAD from obese patients without CAD was highly sensitive (97.2%) and the specificity was 98.3%. Conclusion The higher levels of salusin-β levels in obesity, as well as CAD, were positively correlated with cardiometabolic risk factors and severity of coronary occlusion. Therefore, salusin-β levels seem to be a noninvasive biomarker of CAD.

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