Serum big endothelin-1 is a significant biomarker of arterial stiffness in patients undergoing coronary artery bypass grafting
Abstract In the patients receiving coronary artery bypass grafting (CABG), arterial stiffness is an independent predictor of disease-related mortality. Higher serum levels of big endothelin-1 (BigET-1) are associated with arterial stiffness. The present study aimed to determine the association betwe...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-07-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-025-08181-1 |
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| Summary: | Abstract In the patients receiving coronary artery bypass grafting (CABG), arterial stiffness is an independent predictor of disease-related mortality. Higher serum levels of big endothelin-1 (BigET-1) are associated with arterial stiffness. The present study aimed to determine the association between serum BigET-1 levels and arterial stiffness in patients undergoing CABG. A total of 90 patients undergoing CABG were enrolled in the study. Serum levels of BigET-1 are examined with a commercial sandwich enzyme immunoassay. If carotid–femoral pulse wave velocity (cfPWV) > 10 m/s, arterial stiffness is diagnosed. In the study cohort, 30 (33.3%) patients with arterial stiffness were older and had lower body mass index, higher rates of diabetes mellitus and hypertension, higher systolic and diastolic blood pressures, and higher serum BigET-1 levels compared to the controls. Multivariable logistic regression analysis revealed that serum BigET-1 > 1 pg/mL was an independent predictor of arterial stiffness (odds ratio 17.492, 95% confidence interval 2.728–112.147, p = 0.003). Multivariable linear regression analysis revealed that cfPWV significantly correlated with age (β = 0.238, adjusted R2 change = 0.043, p = 0.004), systolic blood pressure (β = 0.251, adjusted R2 change = 0.102, p = 0.002), and BigET-1 level (β = 0.533, adjusted R2 change = 0.387, p < 0.001). Increased serum BigET-1 levels were associated with arterial stiffness in patients undergoing CABG. |
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| ISSN: | 2045-2322 |