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Large artery calcification on dialysis patients is located in the intima and related to atherosclerosis

Blai Coll1, Angels Betriu, Montserrat Martínez-Alonso

  • 1UDETMA at Hospital Universitari Arnau de Vilanova, Avda. Rovira Roure 80, 25198 Lleida, Spain.

Clinical Journal of the American Society of Nephrology : CJASN
|October 9, 2010
PubMed

Insights

Vascular calcification is more common in dialysis patients than in healthy individuals. This study used ultrasound to show that calcification in dialysis patients is primarily linear and located in the artery intima.

Area of Science:

  • Nephrology
  • Cardiology
  • Vascular Biology

Background:

  • Vascular calcification (VC) significantly impacts cardiovascular disease (CVD) in dialysis patients.
  • Current imaging methods like X-ray lack detail on calcium localization (intima, media, atherosclerosis).

Purpose of the Study:

  • To investigate VC and its associated factors using arterial ultrasound.
  • To precisely determine the location of arterial calcification in dialysis patients.

Main Methods:

  • Observational, cross-sectional, case-control study.
  • Included 232 dialysis patients and 208 healthy controls.
  • Carotid, femoral, and brachial ultrasounds assessed VC and atherosclerosis using a standardized protocol.

Main Results:

  • VC was significantly more prevalent in dialysis patients compared to controls.
  • Linear calcification in the intima was the most common pattern in both groups.
  • Dialysis status and age were associated with linear calcification; low C-reactive protein and phosphorus impeded its development.

Conclusions:

  • Vascular calcification is more prevalent in large arteries of dialysis patients.
  • Calcification predominantly occurs in a linear pattern within the artery intima.
Abstract

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