Helicobacter pylori infection as a risk factor for serum bilirubin change and less favourable lipid profiles: a hospital-based health examination survey

BMC Infectious Diseases

Lin Hua¹  Xi Cao²  Miao-Miao Zhao²  Jin-Kui Yang²  Jim Mann³  Jeremy Krebs⁴  Dong-Ning Chen⁵  Jing Cui⁵  Yu Li⁵ 

[1] Department of Biostatistics and Bioinformatics, School of Biomedical Engineering, Capital Medical University;Department of Endocrinology, Beijing Diabetes Institute, Beijing Tongren Hospital, Capital Medical University;Department of Medicine, Dunedin School of Medicine, University of Otago;Edgar Diabetes and Obesity Research Centre, University of Otago;Physical Examination Department, Beijing Tongren Hospital, Capital Medical University;

关键词: Helicobacter pylori;    Serum bilirubin;    Metabolic disorders;    Lipid metabolism;   

DOI  :  10.1186/s12879-019-3787-8

来源: DOAJ

【 摘 要 】

Abstract Background Helicobacter pylori infection is associated with several extragastric conditions including dyslipidemia and metabolic syndrome. This study aimed to investigate additional metabolic parameters associated with H. pylori infection in a Chinese population. Methods Using a case-control approach we studied 617 subjects with 13C-urea breath test (13C-UBT) values ≥10‰ who were defined as being positive for H. pylori (cases), while 617 sex and age- matched subjects with 13C-UBT values ≤1‰ were defined as H. pylori negative (controls) in Beijing Tongren Hospital from March 2016 to May 2017. Biochemical parameters including serum bilirubin and lipids were tested. Results A total of 1982 subjects participated in this study. The H. pylori infected subjects had significantly lower serum direct bilirubin concentrations (2.34 ± 0.38 vs. 2.47 ± 0.90 μmol/L, P = 0.008). H. pylori infection was independently associated with lower direct bilirubin levels (OR = 1.497, 95% CI =1.121–1.999, P = 0.006) or total bilirubin levels (OR = 1.322, 95% CI =1.005–1.738, P = 0.046) after adjustment for age, sex, body mass index (BMI), alanine aminotransferase (ALT), aspartate aminotransferase (AST), high-density lipoprotein cholesterol (HDL-C), low density lipoprotein-cholesterol (LDL-C), total cholesterol (TC) and triglycerides(TG). In addition, the H. pylori infected subjects had higher LDL-C levels (2.98 ± 0.76 vs. 2.89 ± 0.75 mmol/L, P = 0.033) and lower HDL-C levels (1.39 ± 0.37 vs. 1.44 ± 0.41 mmol/L, P = 0.044). LDL-C was negatively correlated with direct bilirubin concentration (R = − 0.260, P < 0.0001). Conclusions Bilirubin has been found to be a potent endogenous antioxidant and negatively associated with metabolic syndrome. Our results suggest that H. pylori infection is an independent risk factor for serum bilirubin reduction and less favorable lipid profiles.

【 授权许可】

Unknown