Associations of fetuin-A levels with vascular disease in type 2 diabetes patients with early diabetic nephropathy.

Roos, M; Oikonomou, D; von Eynatten, M; Luppa, PB; Heemann, U; Lutz, J; Baumann, M; Nawroth, PP; Bierhaus, A; Humpert, PM

doi:10.1186/1475-2840-9-48

2010

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Titel:: Associations of fetuin-A levels with vascular disease in type 2 diabetes patients with early diabetic nephropathy.
Dokumenttyp:: Journal Article; Research Support, Non-U.S. Gov't; Article
Autor(en):: Roos, M; Oikonomou, D; von Eynatten, M; Luppa, PB; Heemann, U; Lutz, J; Baumann, M; Nawroth, PP; Bierhaus, A; Humpert, PM
Abstract:: Ambigous results exist on fetuin-A as marker for vascular disease in type 2 diabetes. This study aims to define the role of fetuin-A as marker for micro- and macrovascular disease in a high risk population of patients with type 2 diabetes mellitus and early diabetic nephropathy.Fetuin-A serum levels were assessed by ELISA in a cross-sectional setting in 153 patients with type 2 diabetes. Associations of fetuin-A with metabolic, inflammatory and vascular markers were studied. Atherosclerotic burden was assessed by ankle-brachial-index (ABI) as well as detection of common carotid artery intima-media thickness (IMT).Levels of fetuin-A were lower in male than in female patients (0.49 ± 0.15 vs. 0.56 ± 0.20 g/L, p = 0.02). In addition, there was an inverse correlation with age (r = -0.20, P = 0.01). Bivariate correlations adjusted for age and gender revealed no significant correlations with metabolic parameters, except for a weak inverse correlation with serum adiponectin (r = -0.19, p = 0.02). Regarding parameters of micro- and macrovascular disease, fetuin-A was significantly associated with ABI (r = 0.18, p = 0.04), while there was no association with IMT (r = -0.07, p = n.s). Patients with an ABI < 0.9 had lower fetuin A levels than patients with an ABI 0.9-1.3 or > 1.3 (0.43 ± 0.10 vs. 0.52 ± 0.17 vs. 0.54 ± 0.18 g/L p = 0.05). Neither GFR nor albuminuria were associated with fetuin-A serum levels. Patients with prevalent neuropathy did not have altered fetuin-A levels compared to diabetic controls. In step-wise logistic regression analysis including age, gender, HbA1c, total cholesterol, glomerular filtration rate and fetuin-A, only total cholesterol (? = 0.01, p = 0.02) and fetuin-A (? = -5.99, p = 0.03) proved to be independent predictors of an ABI < 0.9.The results of this cross-sectional study suggest that lower fetuin-A levels are associated with macrovascular late complications in high-risk type 2 diabetes patients while there are no associations of fetuin-A with metabolic status or microvascular complications.
Zeitschriftentitel:: Cardiovasc Diabetol
Jahr:: 2010
Band / Volume:: 9
Seitenangaben Beitrag:: 48
Sprache:: eng
Volltext / DOI:: doi:10.1186/1475-2840-9-48
PubMed:: http://view.ncbi.nlm.nih.gov/pubmed/20822519
Print-ISSN:: 1475-2840
TUM Einrichtung:: Fachgebiet Nephrologie (Prof. Heemann); Institut für Klinische Chemie und Pathobiochemie
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