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The Bilirubin Level is Negatively Correlated with the Incidence of Hypertension in Normotensive Korean Population

Cited 37 time in Web of Science Cited 42 time in Scopus
Authors
Chin, Ho Jun; Song, Young Rim; Kim, Hyo Sang; Na, Ki Young; Yoon, Hyung Jin; Park, Minseon; Kim, Yonsu; Kim, Suhnggwon; Chae, Dong-Wan
Issue Date
2009
Publisher
KOREAN ACAD MEDICAL SCIENCES
Citation
JOURNAL OF KOREAN MEDICAL SCIENCE; Vol.24 ; S50-S56
Keywords
HypertensionHyperbilirubinemiaRisk Factor
Abstract
Reactive oxygen species have been known to be an important factor in the pathogenesis of hypertension. Bilirubin, one of the metabolites of heme degraded by heme oxygenase, is a potent anti-oxidant. We verified the effect of serum bilirubin level on the incidence of hypertension in normotensive subjects. We grouped 1,208 normotensive subjects by the criterion of the highest quintile value of serum bilirubin, 1.1 mg/dL. The incidence of hypertension was higher in group 1 with bilirubin less than 1.1 mg/dL than in group 2 with bilirubin 1.1 mg/dL or more (186/908 vs. 43/300, p=0.018). The relative risk for hypertension was 0.71 (95% confidence interval, 0.51-0.99), p=0.048 in group 2 compared to group 1 by Cox`s proportional hazard model. Among the groups stratified by gender, smoking, and liver function status, the group 2 showed a lower risk of hypertension in females and in non-smokers. In conclusion, a mild increase within the physiological range of serum bilirubin concentration was negatively correlated with the incidence of hypertension. The effect of bilirubin on the development of hypertension was more evident in females and in non-smokers.
ISSN
1011-8934
Language
English
URI
http://hdl.handle.net/10371/76198
DOI
https://doi.org/10.3346/jkms.2009.24.S1.S50
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College of Medicine/School of Medicine (의과대학/대학원)Family Medicine (가정의학전공)Journal Papers (저널논문_가정의학전공)
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