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Related Concept Videos

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Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
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Related Experiment Video

Updated: Jan 3, 2026

A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
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A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro

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Dialysis initiation improves calcification propensity.

Belen Ponte1,2, Menno Pruijm3, Andreas Pasch4

  • 1Nephrology Service, Department of Medicine, University Hospital of Geneva, Geneva, Switzerland.

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
|November 19, 2019
PubMed
Summary

Initiating dialysis improves calcification propensity and fetuin-A levels, but does not explain high mortality rates. Further studies are needed to determine the clinical relevance of calcification propensity (T50) in dialysis initiation.

Keywords:
calcificationdialysis initiationfetuin-A

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Area of Science:

  • Nephrology
  • Cardiovascular Medicine
  • Biochemistry

Background:

  • High cardiovascular morbidity and mortality in dialysis patients may stem from altered calcification dynamics.
  • The effect of initiating dialysis on calcification propensity and arterial stiffness is not well understood.

Purpose of the Study:

  • To prospectively evaluate the evolution of serum calcification propensity (T50) and arterial stiffness in patients during the first three months of dialysis initiation.

Main Methods:

  • Prospective study of incident hemodialysis (HD) and peritoneal dialysis (PD) patients.
  • Measured T50, fetuin-A, and mineral metabolism parameters monthly for three months.
  • Assessed arterial stiffness using pulse tonometry and analyzed data with linear mixed models.

Main Results:

  • T50 significantly increased from baseline to three months post-dialysis initiation (P < 0.001).
  • Fetuin-A, calcium, and magnesium levels increased, while phosphate decreased.
  • Arterial stiffness showed no significant modification; both HD and PD demonstrated similar trends.

Conclusions:

  • Dialysis initiation improves calcification propensity and fetuin-A levels.
  • These improvements do not account for the high mortality observed in early dialysis patients.
  • The clinical utility of T50 for guiding dialysis initiation requires further investigation.