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Serum osteoprotegerin is associated with vascular stiffness and the onset of new cardiovascular events in hemodialysis patients

Authors
 Jung Eun Lee  ;  Hyung Jong Kim  ;  Sung Jin Moon  ;  Ji Sun Nam  ;  Jwa-Kyung Kim  ;  Seung Kyu Kim  ;  Gi Young Yun  ;  Sung Kyu Ha  ;  Hyeong Cheon Park 
Citation
 KOREAN JOURNAL OF INTERNAL MEDICINE, Vol.28(6) : 668-677, 2013 
Journal Title
 KOREAN JOURNAL OF INTERNAL MEDICINE 
ISSN
 1226-3303 
Issue Date
2013
MeSH
Adult ; Aged ; Biomarkers/blood ; Cardiovascular Diseases/blood ; Cardiovascular Diseases/diagnosis ; Cardiovascular Diseases/etiology* ; Cardiovascular Diseases/mortality ; Cardiovascular Diseases/physiopathology ; Female ; Humans ; Kaplan-Meier Estimate ; Linear Models ; Male ; Middle Aged ; Multivariate Analysis ; Osteoprotegerin/blood* ; Predictive Value of Tests ; Prognosis ; Proportional Hazards Models ; Prospective Studies ; Pulse Wave Analysis ; Renal Dialysis*/adverse effects ; Renal Dialysis*/mortality ; Renal Insufficiency, Chronic/complications ; Renal Insufficiency, Chronic/diagnosis ; Renal Insufficiency, Chronic/mortality ; Renal Insufficiency, Chronic/therapy* ; Risk Factors ; Up-Regulation ; Vascular Stiffness* ; alpha-2-HS-Glycoprotein/analysis
Keywords
Cardiovascular diseases ; Osteprotegerin ; Vascular stiffness
Abstract
BACKGROUND/AIMS: Osteoprotegerin (OPG) and fetuin-A are vascular calcification regulators that may be related to high cardiovascular (CV) mortality in hemodialysis (HD) patients. We evaluated the relationship between OPG, fetuin-A, and pulse wave velocity (PWV), a marker of vascular stiffness, and determined whether OPG and fetuin-A were independent predictors of CV events in HD patients. METHODS: We conducted a prospective observational study in 97 HD patients. OPG and fetuin-A were measured at baseline and arterial stiffness was evaluated by PWV. All patients were stratified into tertiles according to serum OPG levels. RESULTS: A significant trend was observed across increasing serum OPG concentration tertiles for age, HD duration, systolic blood pressure, cholesterol, triglycerides, and PWV. Multiple linear regression analysis revealed that diabetes (β = 0.430, p = 0.000) and OPG levels (β = 0.308, p = 0.003) were independently associated with PWV. The frequency of new CV events was significantly higher in the upper OPG tertiles compared with those in the lower OPG tertiles. In Cox proportional hazards analysis, upper tertiles of OPG levels were significantly associated with CV events (hazard ratio = 4.536, p = 0.011). CONCLUSIONS: Serum OPG, but not fetuin-A, levels were closely associated with increased vascular stiffness, and higher OPG levels may be independent predictors of new CV events in HD patients.
Files in This Item:
T201304510.pdf Download
DOI
10.3904/kjim.2013.28.6.668
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Nam, Ji Sun(남지선) ORCID logo https://orcid.org/0000-0001-8655-5258
Park, Hyeong Cheon(박형천) ORCID logo https://orcid.org/0000-0002-1550-0812
Lee, Jung Eun(이정은) ORCID logo https://orcid.org/0000-0003-0917-2872
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88715
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