Relationship between Serum Bilirubin and Carotid Atherosclerosis in Hypertensive Patients

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概要

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• Objective To investigate the relationship between serum bilirubin and carotid atherosclerosis in patients with hypertension. Patients and Methods Carotid artery ultrasonography was performed in 198 patients (104 males, average age of 65.6±7.1 years) with hypertension. Serum levels of bilirubin and C-reactive proteins (CRP) were measured at the same time. Results Carotid atherosclerosis was detected in 133 patients, 87 of them had carotid artery plaque. The prevalence of stroke (20.3%) and myocardial infarction (13.5%) in the atherosclerosis group was higher than in the non-atherosclerosis group (9.2% and 6.2%, respectively, p<0.05). The average total serum bilirubin in the atherosclerosis group was lower than in the non-atherosclerosis group (12.8±1.3 vs 16.8±1.5 μmol/L, p<0.01), whereas the average serum of CRP was higher (4.1±1.1 vs 2.3±0.7 mg/L, p<0.01). After adjusting other factors such as age, total cholesterol, diabetes and systolic blood pressure, total serum bilirubin was negatively associated with carotid atherosclerosis in women and men, with odds ratios of 0.49 (95% CI, 0.28 to 0.71; p<0.01) and 0.66 (95% CI, 0.46 to 0.80; p<0.01). Serum CRP was positively correlated to carotid atherosclerosis, with odds ratios of 1.76 (95% CI, 1.36 to 2.04; p<0.01) in women and 1.95 (95% CI, 1.46 to 2.82; p<0.01) in men. Conclusion Carotid atherosclerosis was associated with a high prevalence of stroke or myocardial infarction in hypertensive patients. Serum bilirubin was negatively associated with carotid atherosclerosis.

著者

• Wang Le-xin

  School Of Biomedical Sciences Charles Sturt University

• Yang Xia-Feng

  Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Taishan Medical University

• Chen Yuan-Zhi

  Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Taishan Medical University

• Su Jiang-Li

  Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Taishan Medical University

• Wang Feng-Yun

  Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Taishan Medical University

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