Clinical Focus ›› 2021, Vol. 36 ›› Issue (4): 340-343.doi: 10.3969/j.issn.1004-583X.2021.04.010

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Study on correlation between serum bilirubin level and carotid plaque in type 2 diabetes mellitus

Jin Hui, Liu Shangquan()   

  1. Department of Endocrinology, the Third Affiliated Hospital of Anhui Medical University,the First People's Hospital of Hefei, Hefe 230000, China
  • Received:2020-10-30 Online:2021-04-20 Published:2021-05-13
  • Contact: Liu Shangquan E-mail:lsq_sh@163.com

Abstract:

Objective To explore the correlation between serum bilirubin level and carotid plaque formation in type 2 diabetes mellitus. Methods Nine hundred and fifty two hospitalized patients with type 2 diabetes were selected, and the patients were divided into 426 patients with carotid plaque (plaque group) and 526 patients without carotid plaque (non-plaque group) according to the results of carotid artery color ultrasonography. The essential information and data including the serum bilirubin level, blood glucose, blood lipids, glycated hemoglobin, etc. were recorded, and related factors affecting the formation of carotid plaque were studied. Results Compared to the patients in non-plaque group, the patients in the plaque group were featured with more males, older age, longer course of disease, longer combined history of smoking and hypertension, lower total bilirubin(TBIL) and indirect bilirubin(IBIL) levels, higher serum creatinine(Scr) and greater total cholesterol(TCHO) and low-density lipoprotein cholesterol(LDL-C) levels(P<0.05). The gender, age, course of disease, smoking history were considered to be independent risk factors of carotid plaque, and indirect bilirubin was considered to be a protective factor for carotid plaque. Conclusion The level of serum indirect bilirubin is independently correlated with the risk of carotid plaque when the serum total bilirubin level is within the physiological range.

Key words: diabetes, type 2, bilirubin, carotid plaque

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