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Rivista di Angiologia
Official Journal of the , the International Union of Phlebology and the
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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International Angiology 2011 Ottobre;30(5):474-80
Serum fetuin-A levels inversely correlate with the severity of arterial calcification in patients with chronic lower extremity atherosclerosis without renal disease
Szeberin Z. 1, Fehérvári M. 1, Krepuska M. 1, Apor A. 2, Rimely E. 2, Sarkadi H. 2, Széplaki G. 2, Prohászka Z. 3, Kalabay L. 4, Acsády G. 1 ✉
1 Department of Vascular Surgery, Semmelweis University, Budapest, Hungary;
2 Heart Center, Semmelweis University, Budapest, Hungary;
3 Third Department of Internal Medicine, Semmelweis University, Budapest, Hungary;
4 Department of Family Medicine, Semmelweis University, Budapest, Hungary
AIM: Fetuin-A is a hepatic glycoprotein that inhibits extraosseous calcification. Lower serum fetuin-A concentration was associated with severe arterial calcification in patients with end stage renal disease. We evaluated the association of serum fetuin-A levels and the severity of atherosclerosis in patients with peripheral vascular disease having normal renal function.
METHODS: In this cross-sectional study among 93 chronic atherosclerotic patients with lower extremity vascular disease, systemic atherosclerosis and calcification was assessed by ultrasound (carotid intima-media thickness/IMT/, calcification at the abdominal aorta, carotid and femoral bifurcations, aortic and mitral valves) and angiography (Bollinger score). Standard serum markers of inflammation, diabetes, renal function, ankle-brachial indexes and traditional risk factors for atherosclerosis were noted and Fontaine classification was applied for the severity of symptoms.
RESULTS: The patients mean (SD) age was 59.95 (7.61) years, 78% were men, 35% had diabetes. Serum fetuin-A level showed significant negative correlation with ultrasound calcification score (P=0.018, r=-0.257) and Bollinger angiographic score (P=0.035, r=-0.347). Fetuin-A did not correlate with IMT or Fontaine classification. Fetuin-A also showed significant correlation with albumin, transferrin and hemoglobin A1c (r=0.287, 0.305 and 0.219, respectively at P<0.05). Logistic regression analysis confirmed the association between fetuin-A and calcification score (OR: 3.03, CI: 1.05-8.7), P=0.039) independent of traditional risk factors.
CONCLUSION: Our data show that serum fetuin-A levels inversely correlate with the severity of atherosclerosis in nonuremic patients with symptomatic chronic lower limb ischemia. These data support a putative protective role for fetuin-A in the development of arterial calcification.