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Elevated levels of plasma osteoprotegerin are associated with all-cause mortality risk and atherosclerosis in patients with stages 3 to 5 chronic kidney disease
KTH, School of Technology and Health (STH), Medical Engineering.
2014 (English)In: Brazilian journal of medical and biological research, ISSN 0100-879X, E-ISSN 1414-431X, Vol. 47, no 11, 995-1002 p.Article in journal (Refereed) Published
Abstract [en]

Osteoprotegerin (OPG) regulates bone mass by inhibiting osteoclast differentiation and activation, and plays a role in vascular calcification. We evaluated the relationship between osteoprotegerin levels and inflammatory markers, atherosclerosis, and mortality in patients with stages 3-5 chronic kidney disease. A total of 145 subjects (median age 61 years, 61% men; 36 patients on hemodialysis, 55 patients on peritoneal dialysis, and 54 patients with stages 3-5 chronic kidney disease) were studied. Clinical characteristics, markers of mineral metabolism (including fibroblast growth factor-23 [FGF-23]) and inflammation (high-sensitivity C-reactive protein [hsCRP] and interleukin-6 [IL-6]), and the intima-media thickness (IMT) in the common carotid arteries were measured at baseline. Cardiac function was assessed by color tissue Doppler echocardiography. After 36 months follow-up, the survival rate by Kaplan-Meier analysis was significantly different according to OPG levels (chi(2) = 14.33; P = 0.002). Increased OPG levels were positively associated with IL-6 (r = 0.38, P<0.001), FGF-23 (r = 0.26, P<0.001) and hsCRP (r = 0.0.24, P = 0.003). In addition, OPG was positively associated with troponin I (r = 0.54, P<0.001) and IMT (r = 0.39, P<0.0001). Finally, in Cox analysis, only OPG (HR = 1.07, 95% CI = 1.02-1.13) and hsCRP (HR = 1.02, 95% CI = 1.01-1.04) were independently associated with increased risk of death. These results suggested that elevated levels of serumOPG might be associated with atherosclerosis and all-cause mortality in patients with chronic kidney disease.

Place, publisher, year, edition, pages
2014. Vol. 47, no 11, 995-1002 p.
Keyword [en]
Atherosclerosis, Chronic kidney disease, Inflammation, Mortality, Osteoprotegerin
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-156104DOI: 10.1590/1414-431X20144007ISI: 000343748800011Scopus ID: 2-s2.0-84923344053OAI: oai:DiVA.org:kth-156104DiVA: diva2:778242
Note

QC 20150109

Available from: 2015-01-09 Created: 2014-11-21 Last updated: 2017-12-05Bibliographically approved

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