Dyslipidemia and progression of cardiovascular calcification (CVC) in patients with end-stage renal disease (ESRD)

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Cardiovascular calcification (CVC) is commonly encountered both in the general population as well as in patients with endstage renal disease (ESRD). The etiology of CVC in patients with ESRD is multifactorial. Despite that, current debate remains narrowly focused on the role of calcium loading from calcium-based phosphate binders (CBPB) in the pathogenesis and progression of CVC. Yet, the alleged link between these binders and CVC has not been substantiated in well-designed controlled trials. In contrast, the purported role of sevelamer, a non-calcium-based phosphate binder, in slowing the progression of CVC in dialysis patients has attracted widespread attention. The beneficial effect of sevelamer on progression of calcification was thought to be due to lower calcium loading during its use. However, an alternative and possibly more likely mechanism involves sevelamer-induced lowering of LDL cholesterol. In this context, previous studies in individuals with normal renal function have documented amelioration of coronary artery calcification (CAC) with reduction of LDL-cholesterol by treatment with HMG-CoA reductase inhibitors (statins). Given that CAC is a well-accepted marker of atherosclerosis, and that high plasma cholesterol concentration is one of the main risk factors for atherosclerosis, then it is not unreasonable to suspect that CAC may be halted or even reversed by lowering of LDL cholesterol level with statin therapy. Unfortunately, the effect of lowering the LDL-cholesterol level on CAC has not been studied in patients with ESRD. Therefore, conclusions about this important topic should await the results of well-designed clinical studies that control for all factors potentially implicated in the CVC burden of patients with ESRD. In this review, I will discuss the role of various potential mechanisms involved in the pathogenesis of CVC in patients with ESRD, and emphasize the role of dyslipidemia and its treatment in this important clinical entity.

Idioma originalEnglish (US)
Páginas (desde-hasta)S43-S50
PublicaciónKidney International, Supplement
EstadoPublished - jun 2005

ASJC Scopus subject areas

  • Nephrology


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