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Nefrología (Madrid)
On-line version ISSN 1989-2284Print version ISSN 0211-6995
Abstract
LONDON, G.M.. Arterial calcification: cardiovascular function and clinical outcome. Nefrología (Madr.) [online]. 2011, vol.31, n.6, pp.644-647. ISSN 1989-2284.
Arterial calcification (AC) is a common complication of CKD and ESRD, and the extents of AC are predictive of subsequent cardiovascular mortality beyond established conventional risk factors. AC develop in two distinct sites: the intima and media layers of the large and medium-sized arterial wall. These two forms are frequently associated. AC is tightly associated with aging and arterial remodeling, including intima-media thickening, but also changes of the geometry and function of aortic valves. Evidence has accumulated pointing to the active and regulated nature of the calcification process. Elevated phosphate and calcium may stimulate sodium-dependent phosphate cotransport involving osteoblast-like changes in cellular gene expression. AC is responsible for stiffening of the arteries with increased left ventricular afterload and abnormal coronary perfusion as the principal clinical consequences.
Keywords : Arterial calcifications; Arterial stiffness; End-stage renal disease.