Risk factors for aortic valve calcification in patients on regular hemodialysis

Dejan Petrović1, Radmila Obrenović, Biljana Stojimirović

  • 1Urology and Nephrology Clinic, Kragujevac Clinical Center, Kragujevac - Serbia.

Insights

Hyperphosphatemia, high phosphate levels in the blood, is a significant independent risk factor for aortic valve calcification (AVC) in hemodialysis patients. This finding highlights the importance of managing phosphate levels to prevent cardiovascular complications.

Area of Science:

  • Nephrology
  • Cardiology
  • Biochemistry

Background:

  • Aortic valve calcification (AVC) exacerbates aortic valve stenosis and cardiovascular issues.
  • Hyperphosphatemia is a primary risk factor for developing AVC.

Purpose of the Study:

  • To determine the prevalence of AVC in patients undergoing regular hemodialysis.
  • To identify factors influencing the development of AVC.

Main Methods:

  • 115 hemodialysis patients were analyzed.
  • Evaluated serum levels of albumin, CRP, homocysteine, lipids, calcium, phosphate, parathormone, and Ca x P.
  • Echocardiography assessed AVC; logistic regression analyzed risk factors.

Main Results:

  • Univariate analysis identified serum phosphate and Ca x P as key AVC risk factors.
  • Multivariate analysis confirmed hyperphosphatemia as an independent risk factor for AVC.

Conclusions:

  • Hyperphosphatemia is independently associated with aortic valve calcification.
  • Managing phosphate levels is crucial for patients on hemodialysis.
Abstract

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